Tender Offer Statement by Issuer (sc To-i)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE TO

Tender Offer Statement Under Section 14(d)(1) or 13(e)(1)

of the Securities Exchange Act of 1934

P.A.M. TRANSPORTATION SERVICES, INC.

(Name of Subject Company (Issuer) and Name of Filing Person (Offeror))

Common Stock, par value $0.01 per share

(Title of Class of Securities)

693149106

(CUSIP Number of Class of Securities)

Daniel H. Cushman

President and Chief Executive Officer

P.A.M. Transportation Services, Inc.

297 West Henri De Tonti Blvd.

Tontitown, Arkansas 72770

(479) 361-9111

(Name, address and telephone number of person authorized to receive notices

and communication on behalf of Filing Persons)

Copy to:

C. Douglas Buford, Jr., Esq.

Mitchell, Williams, Selig, Gates & Woodyard, P.L.L.C.

425 West Capitol, Ste. 1800

Little Rock, Arkansas 72201

Telephone: (501) 688-8866

Facsimile: (501) 918-7866

CALCULATION OF REGISTRATION FEE

Transaction Valuation*

Amount of

Filing Fee**

$5,040,000

$586

Estimated for purposes of calculating the amount of the filing fee only, this amount is based on the purchase of 80,000 shares of common stock at the maximum tender offer price of $63.00 per share.

The Amount of Filing Fee, calculated in accordance with Rule 0-11(b) of the Securities Exchange Act of 1934, as amended, equals $116.20 for each $1,000,000 of the value of the transaction.

Check the box if any part of the filing fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

Amount Previously Paid: N/A Filing Party: N/A

Form or Registration No.: N/A Date Filed: N/A

Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transaction to which the statement relates:

third party tender offer subject to Rule 14d-1.

issuer tender offer subject to Rule 13e-4.

going private transaction subject to Rule 13e-3.

amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results of the tender offer: ¨

If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

Rule 13e-4(i) (Cross-Border Issuer Tender Offer)

Rule 14d-1(d) (Cross-Border Third-Party Tender Offer)

SCHEDULE TO

This Tender Offer Statement on Schedule TO relates to the offer by P.A.M. Transportation Services, Inc., a Delaware corporation (“PAM” or the “Company”), to purchase up to 80,000 shares of its common stock, par value $0.01 per share, at a price not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding taxes and without interest, upon the terms and subject to the conditions set forth in the Offer to Purchase dated May 22, 2015 (the “Offer to Purchase”), a copy of which is attached hereto as Exhibit (a)(1)(A), and in the related Letter of Transmittal (the “Letter of Transmittal”), a copy of which is attached hereto as Exhibit (a)(1)(B). This Tender Offer Statement on Schedule TO is intended to satisfy the reporting requirements of Rule 13e-4(c)(2) of the Securities Exchange Act of 1934, as amended. The information contained in the Offer to Purchase and the related Letter of Transmittal is incorporated herein by reference in response to all of the items of this Schedule TO, as more particularly described below.

Item 1. Summary Term Sheet.

The information set forth under “Summary Term Sheet” in the Offer to Purchase is incorporated herein by reference.

Item 2. Subject Company Information.

(a) The name of the issuer is P.A.M. Transportation Services, Inc., a Delaware corporation, and the address of its principal executive office is 297 West Henri De Tonti Blvd., Tontitown, Arkansas 72770. The telephone number of its principal executive office is (479) 361-9111.

(b) The information set forth under “Introduction” in the Offer to Purchase is incorporated herein by reference.

(c) The information set forth in the Offer to Purchase under Section 7 (“Price Range of the Shares”) is incorporated herein by reference.

Item 3. Identity and Background of Filing Person.

(a) The Company is the filing person. The Company’s address and telephone number are set forth in Item 2 above. The information set forth in the Offer to Purchase under Section 10 (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”) is incorporated herein by reference.

Item 4. Terms of the Transaction.

(a) The following sections of the Offer to Purchase contain a description of the material terms of the transaction and are incorporated herein by reference:

•

“Summary Term Sheet”;

•

“Introduction”;

•

Section 1 (“Terms of the Offer”);

•

Section 2 (“Purpose of the Tender Offer; Certain Effects of the Tender Offer; Other Plans”);

•

Section 3 (“Procedures for Tendering Shares”);

•

Section 4 (“Withdrawal Rights”);

•

Section 5 (“Purchase of Shares and Payment of Purchase Price”);

•

Section 6 (“Conditions of the Tender Offer”);

•

Section 10 (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”);

•

Section 13 (“Certain Material U.S. Federal Income Tax Consequences of the Offer to U.S. Holders”); and

•

Section 14 (“Extension of the Tender Offer; Termination; Amendment”).

(b) The information in the “Introduction” to the Offer to Purchase and in Section 10 of the Offer to Purchase (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”) is incorporated herein by reference.

iii

Item 5. Past Contacts, Transactions, Negotiations and Agreements.

(e) The information set forth in the Offer to Purchase under Section 10 (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”) is incorporated herein by reference.

Item 6. Purposes of the Transaction and Plans or Proposals.

(a), (b) and (c) The information set forth in the Offer to Purchase under Section 2 (“Purpose of the Tender Offer; Certain Effects of the Tender Offer; Other Plans”) is incorporated herein by reference.

Item 7. Source and Amount of Funds or Other Consideration.

(a) The information set forth in the Offer to Purchase under Section 8 (“Source and Amount of Funds”) is incorporated herein by reference.

(b) The information set forth in the Offer to Purchase under Section 6 (“Conditions of the Tender Offer”) is incorporated herein by reference.

(d) The information set forth in the Offer to Purchase under Section 8 (“Source and Amount of Funds”) is incorporated herein by reference.

Item 8. Interest in Securities of the Subject Company.

(a) and (b) The information set forth in the Offer to Purchase under Section 10 (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”) is incorporated herein by reference.

Item 9. Persons/Assets, Retained, Employed, Compensated or Used.

(a) The information set forth in the Offer to Purchase under Section 15 (“Fees and Expenses”) is incorporated herein by reference.

Item 10. Financial Statements.

Not applicable.

Item 11. Additional Information.

(a) The information set forth in the Offer to Purchase under Section 10 (“Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares”), Section 9 (“Information about P.A.M. Transportation Services, Inc.”), Section 11 (“Effects of the Tender Offer on the Market for Shares; Registration under the Exchange Act”) and Section 12 (“Legal Matters; Regulatory Approvals”) is incorporated herein by reference. To the knowledge of the Company, no material legal proceedings relating to the tender offer are pending.

(c) The information set forth in the Offer to Purchase and the related Letter of Transmittal, copies of which are filed as Exhibits (a)(1)(A) and (a)(1)(B) hereto, respectively, as each may be amended or supplemented from time to time, is incorporated herein by reference.

Item 12. Exhibits.

(a)(1)(A)*

Offer to Purchase dated May 22, 2015.

(a)(1)(B)*

Letter of Transmittal.

(a)(1)(C)*

Notice of Guaranteed Delivery.

(a)(1)(D)*

Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees dated May 22, 2015.

(a)(1)(E)*

Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees dated

May 22, 2015.

(a)(1)(F)*

Press Release dated May 22, 2015.

(a)(2)

Not Applicable.

(a)(3)

Not Applicable.

(a)(4)

Not Applicable.

(a)(5)

Not Applicable.

(b)(1)

Loan Agreement dated July 26, 1994, among First Tennessee Bank National Association, the Company and P.A.M. Transport, Inc., together with Promissory Note (incorporated by reference to Exhibit 4.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 1994).

(b)(2)

First Amendment to Loan Agreement dated June 27, 1995, by and among First Tennessee Bank National Association, the Company and P.A.M. Transport, Inc., together with Promissory Note in the principal amount of $2,500,000 (incorporated by reference to Exhibit 4.1.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 1995).

(b)(3)

Second Amendment to Loan Agreement dated July 3, 1996, by First Tennessee Bank National Association, the Company and P.A.M. Transport, Inc., together with Promissory Note in the principal amount of $5,000,000 (incorporated by reference to Exhibit 4.1.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 1996).

(b)(4)

Fourth Amendment to Loan Agreement dated June 22, 2007, among First Tennessee Bank National Association, the Company and P.A.M. Transport, Inc., together with Promissory Note (incorporated by reference to Exhibit 4.6 to the Company’s Annual Report on Form 10-K for the year ended December 31, 2007).

(b)(5)

Fourteenth Amendment to Loan Agreement dated November 17, 2014, by and among First Tennessee Bank National Association, the Company and P.A.M. Transport, Inc., together with Promissory Note in the principal amount of $40,000,000 (incorporated by reference to Exhibit (b)(5) to the Company’s Issuer Tender Offer Statement on Schedule TO, dated December 2, 2014).

(d)(1)

2014 Amended and Restated Stock Option and Incentive Plan (incorporated by reference to Appendix A of the Company’s Definitive Proxy Statement on Schedule 14A, dated April 18, 2014).

(d)(2)

Employment Agreement between Daniel H. Cushman and the Company, dated June 29, 2009 (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2009).

(g)

Not Applicable.

(h)

Not Applicable.

* Filed herewith.

Item 13. Information Required by Schedule 13E-3.

Not Applicable.

SIGNATURE

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: May 22, 2015	P.A.M. TRANSPORTATION SERVICES, INC.

	By:	/s/ Allen West
	Name:	Allen West
	Title:	Vice President, Chief Financial Officer, Secretary and Treasurer

EXHIBIT INDEX

(a)(1)(A)*

Offer to Purchase dated May 22, 2015.

(a)(1)(B)*

Letter of Transmittal.

(a)(1)(C)*

Notice of Guaranteed Delivery.

(a)(1)(D)*

Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees dated May 22, 2015.

	(a)(1)(E)*	Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees dated
		May 22, 2015.

(a)(1)(F)*

Press Release dated May 22, 2015.

(a)(2)

Not Applicable.

(a)(3)

Not Applicable.

(a)(4)

Not Applicable.

(a)(5)

Not Applicable.

(b)(1)

(b)(2)

(b)(3)

(b)(4)

(b)(5)

(d)(1)

2014 Amended and Restated Stock Option and Incentive Plan (incorporated by reference to Appendix A of the Company’s Definitive Proxy Statement on Schedule 14A, dated April 18, 2014).

(d)(2)

(g)

Not Applicable.

(h)

Not Applicable.

* Filed herewith.

Exhibit (a)(1)(A)

Offer to Purchase for Cash

P.A.M. TRANSPORTATION SERVICES, INC.

Up to 80,000 Shares of its Common Stock

at a Purchase Price Not Greater Than $63.00 nor Less Than $59.00 Per Share

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

AT 12:00 MIDNIGHT, EASTERN TIME, ON JUNE 22, 2015,

UNLESS THE OFFER IS EXTENDED.

P.A.M. Transportation Services, Inc., a Delaware corporation (the “Company,” “we,” or “us”), is offering to purchase up to 80,000 shares of its common stock, par value $0.01 per share (the “common stock”), at a price not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding taxes and without interest, upon the terms and subject to the conditions described in this Offer to Purchase and the related Letter of Transmittal (which together, as they may be amended and supplemented from time to time, constitute the “Offer”). Unless the context otherwise requires, all references to shares shall refer to the common stock of the Company.

Upon the terms and subject to the conditions of the Offer, we will determine a single per-share price, not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding taxes and without interest, that we will pay for shares properly tendered and not properly withdrawn in the Offer, taking into account the total number of shares tendered and the prices specified by tendering stockholders. After the Offer expires, we will look at the prices chosen by stockholders for all of the shares properly tendered. We will then select the lowest purchase price (in multiples of $1.00) within the price range specified above that will allow us to buy 80,000 shares. If fewer than 80,000 shares are properly tendered subject to the conditions of the Offer, we will select the price that will allow us to buy all the shares that are properly tendered and not properly withdrawn. All shares we acquire in the Offer will be acquired at the same purchase price regardless of whether the stockholder tendered at a lower price. We will return shares tendered at prices in excess of the purchase price that we determine and shares that we do not purchase because of proration to the tendering stockholders at our expense promptly after the Offer expires. See Section 3.

The Offer is not conditioned upon the receipt of financing or any minimum number of shares being tendered. The Offer is, however, subject to certain other conditions. See Section 6.

The shares are listed and traded on the Nasdaq Global Market (“NASDAQ”) under the symbol “PTSI.” On May 20, 2015, the reported closing price of the shares on NASDAQ was $57.04 per share. Stockholders are urged to obtain current market quotations for the shares. See Section 7.

Our Board of Directors has approved the Offer. However, neither we nor our Board of Directors, the Depositary or the Information Agent is making any recommendation to you as to whether to tender or refrain from tendering your shares or as to the purchase price or purchase prices at which you may choose to tender your shares. You must make your own decision as to whether to tender your shares and, if so, how many shares to tender and the price or prices at which you will tender them. In doing so, you should read carefully the information in this Offer to Purchase and in the related Letter of Transmittal, including our reasons for making the Offer. See Section 2.

Our directors and executive officers are entitled to participate in the Offer on the same basis as all other stockholders. The Chairman of our Board of Directors, Mr. Matthew T. Moroun, has advised us that, although no final decision has been made, he or a trust of which Mr. Moroun is a co-trustee and a beneficiary (the “Moroun Trust”) may tender up to a total of 230,000 shares that they beneficially own in the Offer. Mr. Moroun and the Moroun Trust collectively beneficially own approximately 58% of the outstanding shares of our common stock. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised us that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. All of our other directors and executive officers have advised us that they do not intend to tender any of their shares in the Offer. See Section 10.

If Messrs. Moroun, Cushman, Davis and the Moroun Trust properly tender all of the shares which they have indicated they may tender in this Offer, the Offer will be oversubscribed, even if we exercise our right to increase the number of shares accepted for payment by up to an additional 2% of our outstanding shares (or approximately 148,566 additional shares). In such circumstance, the price(s) at which Messrs. Moroun, Cushman, Davis and the Moroun Trust tender their shares could determine the price at which all of the shares accepted for payment are purchased. Additionally, if the Offer is oversubscribed, we will purchase shares on a pro rata basis from all stockholders who properly tender shares at or below the purchase price we determine. See Section 1. Therefore, if you wish to maximize the chance that your shares will be purchased and wish to maximize the number of your shares accepted for payment, you should tender as many shares as you own and are willing to sell in the Offer and select the option to tender your shares at the “Price Determined Under the Offer” indicating that you will accept the purchase price we determine.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of this transaction or passed upon the merits or fairness of such transaction or passed upon the adequacy or accuracy of the information contained in this Offer to Purchase. Any representation to the contrary is a criminal offense.

IMPORTANT

If you desire to tender all or any portion of your shares, you should either:

(1) (a) if you hold certificates in your own name, complete and sign the Letter of Transmittal in accordance with the instructions to the Letter of Transmittal, have your signature on the Letter of Transmittal guaranteed if Instruction 1 to the Letter of Transmittal so requires, and mail or deliver the Letter of Transmittal, together with any other required documents, including the share certificates, to the Depositary (as defined herein), at one of its addresses shown on the Letter of Transmittal, or

(b) if you are an institution participating in The Depository Trust Company, tender the shares in accordance with the procedure for book-entry transfer set forth in Section 3; or

(2) if you have shares registered in the name of a broker, dealer, commercial bank, trust company or other nominee, you must contact the nominee if you desire to tender those shares and request that your broker, dealer, commercial bank, trust company or other nominee effect the transaction for you.

If you desire to tender shares and your certificates for those shares are not immediately available or the procedure for book-entry transfer cannot be completed on a timely basis, or time will not permit all required documents to reach the Depositary prior to the Expiration Time (as defined herein), your tender may be effected by following the procedure for guaranteed delivery set forth in Section 3.

To properly tender shares, you must validly complete the Letter of Transmittal, including the section relating to the price at which you are tendering shares.

If you wish to maximize the chance that your shares will be purchased at the purchase price determined by us, you should check the box in the section of the Letter of Transmittal captioned “Shares Tendered at Price Determined Under the Offer.” If you agree to accept the purchase price determined in the Offer, your shares will be deemed to be tendered at the minimum price of $59.00 per share.

Questions and requests for assistance may be directed to Georgeson Inc., the Information Agent for the Offer, at its address and telephone number set forth on the back cover of this Offer to Purchase. Requests for additional copies of this Offer to Purchase, the related Letter of Transmittal or the Notice of Guaranteed Delivery may be directed to the Information Agent.

We are not making the Offer to, and will not accept any tendered shares from, stockholders in any jurisdiction where it would be illegal to do so. However, we may, at our discretion, take any actions necessary for us to make this Offer to stockholders in any such jurisdiction.

We have not authorized any person to make any recommendation on our behalf as to whether you should tender or refrain from tendering your shares or as to the purchase price or purchase prices at which you may choose to tender your shares in the Offer. You should rely only on the information contained in this Offer to Purchase or to which we have referred you. We have not authorized anyone to provide you with information or to make any representation in connection with the Offer other than those contained in this Offer to Purchase or in the related Letter of Transmittal. If anyone makes any recommendation or gives any information or representation, you must not rely upon that recommendation, information or representation as having been authorized by us, the Depositary or the Information Agent.

TABLE OF CONTENTS

SUMMARY TERM SHEET	ii

CAUTIONARY NOTE ON FORWARD LOOKING STATEMENTS	viii

INTRODUCTION	1

THE TENDER OFFER	2

1.	Terms of the Offer	2

2.	Purpose of the Tender Offer; Certain Effects of the Tender Offer; Other Plans	3

3.	Procedures for Tendering Shares	5

4.	Withdrawal Rights	9

5.	Purchase of Shares and Payment of Purchase Price	9

6.	Conditions of the Tender Offer	10

7.	Price Range of the Shares	12

8.	Source and Amount of Funds	13

9.	Information About P.A.M. Transportation Services, Inc	13

10.	Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares	15

11.	Effects of the Tender Offer on the Market for Shares; Registration under the Exchange Act	18

12.	Legal Matters; Regulatory Approvals	18

13.	Certain Material U.S. Federal Income Tax Consequences of the Offer to U.S. Holders	19

14.	Extension of the Tender Offer; Termination; Amendment	19

15.	Fees and Expenses	21

16.	Miscellaneous	21

SUMMARY TERM SHEET

We are providing this summary term sheet for your convenience. The Company is at times referred to as “we,” “our” or “us.” We refer to the shares of our common stock as the “shares.” This summary term sheet highlights certain material information in this Offer to Purchase, but you should realize that it does not describe all of the details of the Offer to the same extent described in this Offer to Purchase. We urge you to read the entire Offer to Purchase and the related Letter of Transmittal because they contain the full details of the Offer. We have included references to the sections of this Offer to Purchase where you will find a more complete discussion where helpful.

Who is offering to purchase my shares?

P.A.M. Transportation Services, Inc.

What is the Company offering to purchase?

We are offering to purchase up to 80,000 shares of our common stock, par value $0.01 per share. See Section 1.

What will the purchase price for the shares be and what will be the form of payment?

We are conducting the Offer through a procedure commonly called a modified “Dutch Auction.”

This procedure allows you to select the price (in multiples of $1.00) within a price range specified by us at which you are willing to sell your shares.

The price range for the Offer is $59.00 to $63.00 per share. After the Offer expires, we will look at the prices chosen by stockholders for all of the shares properly tendered. We will then select the lowest purchase price (in multiples of $1.00) that will allow us to buy 80,000 shares. If fewer than 80,000 shares are properly tendered, subject to the conditions of the Offer, we will select the price that will allow us to buy all the shares that are properly tendered and not properly withdrawn.

All shares we purchase will be purchased at the same price, even if you have selected a lower price, but we will not purchase any shares above the purchase price we determine.

If your shares are purchased in the Offer, we will pay you the purchase price in cash, less any applicable withholding taxes and without interest, promptly after the Offer expires. See Sections 1 and 5. Under no circumstances will we pay interest on the purchase price, even if there is a delay in making payment.

What happens if fewer than 80,000 shares are tendered at or below the purchase price?

The Offer is not conditioned on any minimum number of shares being tendered. If fewer than 80,000 shares are properly tendered, subject to the conditions of the Offer, we will purchase all shares that are properly tendered and not properly withdrawn.

What happens if more than 80,000 shares are tendered at or below the purchase price?

Subject to certain limitations and legal requirements, we reserve the right to accept for payment, according to the terms and conditions of this Offer, up to an additional 2% of our outstanding shares (or approximately 148,566 additional shares). Thus, if this right is exercised, we may purchase up to approximately 228,566 shares in the Offer. In exercising this right, we may increase the purchase price to allow us to purchase all such additional shares.

If more than 80,000 shares (or such greater number of shares as we may elect to accept for payment, subject to applicable law) are properly tendered at or below the purchase price and not properly withdrawn prior to the Expiration Time, we will purchase shares, subject to the terms of the Offer, from all stockholders who properly tender shares at or below the purchase price we determine, on a pro rata basis. If we do not exercise our right to accept a greater number for purchase, we will purchase 80,000 shares, on a pro rata basis, from among all shares tendered at or below the purchase price we determine. If we exercise our right to accept for purchase more than 80,000 shares, we will purchase such larger number of shares (up to a maximum of approximately 228,566 shares), on a pro rata basis, from among all shares tendered at or below the purchase price we determine. Because of the proration provision described above, we may not purchase all of the shares that you tender even if you tender them at or below the purchase price. See Section 1.

How can I maximize the chance that my shares will be purchased?

If you wish to maximize the chance that your shares will be purchased, you should check the box in the section of the Letter of Transmittal captioned “Shares Tendered at Price Determined Under the Offer” indicating that you will accept the purchase price we determine. If you agree to accept the purchase price determined in the Offer, your shares will be deemed to be tendered at the minimum price of $59.00 per share.

You may tender all or any portion of the shares you own, even if the number of shares you own exceeds the number of shares we may accept for purchase in the Offer. If more than 80,000 shares (or such greater number of shares as we may elect to accept for payment, subject to applicable law) are properly tendered at or below the purchase price and not properly withdrawn prior to the Expiration Time, we will purchase shares, subject to the terms of the Offer, from all stockholders who properly tender shares at or below the purchase price we determine, on a pro rata basis. Therefore, if you wish to maximize the number of your shares accepted for payment, you should tender as many shares as you own and are willing to sell.

How will the Company pay for the shares?

Assuming that the maximum of 80,000 shares are tendered in the Offer at the maximum purchase price of $63.00 per share, the aggregate purchase price will be approximately $5.0 million. Assuming that an additional amount of shares above the maximum of 80,000 shares are tendered in the Offer at the maximum purchase price of $63.00 per share and we exercise our right to purchase an additional number of shares up to 2% of our outstanding shares (or approximately 148,566 additional shares), the aggregate purchase price will be approximately $14.4 million. We anticipate that we will pay for the shares tendered in the Offer from our available cash, cash equivalents and short-term investments and from funds borrowed under our existing line of credit.

How long do I have to tender my shares; can the Offer be extended, amended or terminated?

You may tender your shares until the Offer expires. The Offer will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless we extend it. See Section 1. If a broker, dealer, commercial bank, trust company or other nominee holds your shares, it is likely the nominee has established an earlier deadline for you to act to instruct the nominee to accept the Offer on your behalf. We urge you to contact the broker, dealer, commercial bank, trust company or other nominee to find out the nominee’s deadline.

We may choose to extend the Offer at any time and for any reason, subject to applicable laws. See Section 14. We cannot assure you that we will extend the Offer or indicate the length of any extension that we may provide. If we extend the Offer, we will delay the acceptance of any shares that have been tendered. We can amend the Offer in our sole discretion at any time prior to the Expiration Time (as defined herein). We can also terminate the Offer prior to the Expiration Time if the conditions set forth in Section 6 are not met. See Sections 6 and 14.

How will I be notified if the Company extends the Offer or amends the terms of the Offer?

If we extend the Offer, we will issue a press release announcing the extension and the new Expiration Time by 9:00 a.m., Eastern Time, on the next business day after the previously scheduled Expiration Time. We will announce any amendment to the Offer by making a public announcement of the amendment. See Section 14.

What is the purpose of the Offer?

On May 21, 2015, our Board of Directors approved a tender offer for up to 80,000 shares of our common stock, plus an additional amount of shares up to 2% of our total outstanding shares (or approximately 148,566 additional shares) for a total of approximately 228,566 shares, which we may accept for payment in the Offer, subject to certain limitations and legal requirements. Our Board of Directors has determined that the Offer is a prudent use of our financial resources and presents an appropriate balance between meeting the needs of our business and delivering value to our stockholders. Our Board of Directors determined that a cash tender offer is an appropriate mechanism to return capital to stockholders that seek liquidity under current market conditions while, at the same time, allowing stockholders who do not participate in the tender offer to share in a higher portion of our future potential.

We believe that the modified “Dutch Auction” tender offer set forth in this Offer to Purchase represents a mechanism to provide all of our stockholders with the opportunity to tender all or a portion of their shares and, thereby, receive a return of their investment if they so elect. The Offer provides stockholders (particularly those who, because of the size of their shareholdings, might not be able to sell their shares without potential disruption to the share price) with an opportunity to obtain liquidity with respect to all or a portion of their shares, without potential disruption to the share price and the usual transaction costs associated with market sales. In addition, if we complete the Offer, stockholders who do not participate in the Offer will automatically increase their relative percentage ownership interest in us and our future operations at no additional costs to them.

The Offer also provides our stockholders with an efficient way to sell their shares without incurring broker’s fees or commissions associated with open market sales.

What are the significant conditions to the Offer?

Our obligation to accept and pay for your tendered shares depends upon a number of conditions that must be satisfied or waived, including, but not limited to:

iii

No changes in the general political, market, economic or financial conditions in the United States or abroad that are reasonably likely to materially and adversely affect our business or the trading in the shares shall have occurred.

No decrease in excess of 10% in the price of our common stock or in the Dow Jones Industrial Average, the New York Stock Exchange Composite Index, the NASDAQ Composite Index or the S&P 500 Composite Index shall have occurred during the Offer.

No legal action shall have been instituted, threatened, or been pending that challenges the Offer or seeks to impose limitations on our ability (or any affiliate of ours) to acquire or hold or to exercise full rights of ownership of the shares.

No commencement or escalation of war, armed hostilities or other similar national or international calamity, directly or indirectly involving the United States, shall have occurred during the Offer.

No one shall have proposed, announced or made a tender or exchange offer (other than this Offer), merger, business combination or other similar transaction involving us or any of our subsidiaries.

No one (including certain groups) shall have acquired or proposed to acquire beneficial ownership of more than 5% of our shares, other than any person who was a holder of more than 5% of our shares as of the date of this Offer to Purchase.

No one shall have filed a Notification and Report Form under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, or made a public announcement reflecting an intent to acquire us or any of our subsidiaries.

No material adverse change in our business, condition (financial or otherwise), assets, income, operations, prospects or stock ownership shall have occurred.

We shall have determined that there is not a reasonable likelihood that the consummation of the Offer and the purchase of shares pursuant to the Offer will cause our common stock to be subject to delisting from NASDAQ (this determination shall be made by us).

The Offer is subject to a number of other conditions described in greater detail in Section 6.

Following the Offer, will the Company continue as a public company?

Yes. The completion of the Offer in accordance with its terms and conditions will not cause the Company to be delisted from NASDAQ or to stop being subject to the reporting requirements of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). It is a condition of our obligation to purchase shares pursuant to the Offer that we determine that there is not a reasonable likelihood that such purchase will cause the shares to be subject to delisting on NASDAQ. See Section 6. Our common stock is registered under Section 12 of the Exchange Act, and therefore we are subject to the reporting requirements of the Exchange Act. Our common stock will continue to be registered under Section 12 of the Exchange Act following the completion of the Offer in accordance with its terms and conditions. See Section 11.

How do I tender my shares?

If you want to tender all or part of your shares, you must do one of the following before the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, or any later time and date to which the Offer may be extended:

If your shares are registered in the name of a broker, dealer, commercial bank, trust company or other nominee, you must contact the nominee and request that the nominee tender your shares for you.

If you hold certificates in your own name, you must complete and sign a Letter of Transmittal according to its instructions, and deliver it, together with any required signature guarantees, the certificates for your shares and any other documents required by the Letter of Transmittal, to Computershare Trust Company, N.A., the Depositary for the Offer.

If you are an institution participating in the book-entry transfer facility (as defined herein), you must tender your shares according to the procedure for book-entry transfer described in Section 3.

If you are unable to deliver the certificates for the shares or the other required documents to the Depositary or you cannot comply with the procedure for book-entry transfer within the required time, you must comply with the guaranteed delivery procedure outlined in Section 3.

You may contact the Information Agent for assistance. The contact information for the Information Agent appears on the back cover of this Offer to Purchase. See Section 3 and the Instructions to the Letter of Transmittal.

How do holders of vested stock options participate in the Offer?

The Company will not purchase unexercised options. If you hold vested but unexercised options to purchase shares, you may choose to exercise such options in accordance with the terms of the applicable stock option plan or plans and tender the shares received upon such exercise in accordance with the Offer. Please keep in mind that an election to exercise your Company stock options is irrevocable, which means that if the shares resulting from your exercise are not purchased in the Offer for any reason, as discussed in Section 3 hereof, you will continue to hold such shares and you will not be given an opportunity to unwind your exercise.

If you wish to sell shares issuable pursuant to unexercised options, you must:

(1)

Exercise your vested options by submitting a written exercise notice to the Company’s stock administrator (and pay the applicable exercise price(s) to the Company and pay any taxes that must be withheld as a result of the exercise) before the end of the day, 12:00 Midnight, Eastern Time, on June 18, 2015 (the “Exercise Deadline”), and

(2)

Submit your election to participate in the Offer prior to the Expiration Time.

If you want to elect to sell shares in the Offer that were issuable upon exercise of a Company stock option and for any reason (a) you fail to properly or timely complete and submit your option exercise notice, and/or (b) you fail to pay the applicable exercise price for any option you are exercising (including any necessary tax amounts), in either case, before the Exercise Deadline, then you will not be eligible to sell shares subject to such option in the Offer.

In addition, holders of vested but unexercised options should evaluate the Offer carefully to determine if participation would be advantageous to them, based on their stock option exercise prices, the date of their stock option grants and the years left to exercise their options, the range of tender prices, the tax consequences of choosing to exercise any options, and the provisions for pro rata purchases by the Company described in Section 1. We strongly encourage holders of vested stock options to discuss the Offer with their tax advisor, broker and/or financial advisor. Holders of unvested stock options, unvested stock awards or other restricted equity interests may not tender such shares or shares represented by such interests.

Once I have tendered shares in the Offer, can I withdraw my tender?

Yes. You may withdraw any shares you have tendered at any time before the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless we extend the Offer, in which case you can withdraw your shares until the expiration of the Offer as extended. If we have not accepted for payment the shares you have tendered to us, you may also withdraw your shares at any time after the end of the day, 12:00 Midnight, Eastern Time, on July 21, 2015. See Section 4.

How do I withdraw shares I previously tendered?

To withdraw shares, your written notice of withdrawal with the required information must be received by the Depositary while you still have the right to withdraw the shares. Your notice of withdrawal must specify your name, the number of shares to be withdrawn and the name of the registered holder of these shares. Some additional requirements apply if the share certificates to be withdrawn have been delivered to the Depositary or if your shares have been tendered under the procedure for book-entry transfer set forth in Section 3. See Section 4. If you have tendered your shares by giving instructions to a broker, dealer, commercial bank, trust company or other nominee, you must instruct the nominee to arrange for the withdrawal of your shares.

Has the Company or its Board of Directors adopted a position on the Offer?

Our Board of Directors has approved the Offer. However, neither we nor our Board of Directors, the Depositary, or the Information Agent is making any recommendation to you as to whether you should tender or refrain from tendering your shares or as to the purchase price or purchase prices at which you may choose to tender your shares. You must make your own decision as to whether to tender your shares and, if so, how many shares to tender and the purchase price or purchase prices at which your shares should be tendered. In so doing, you should read carefully the information in this Offer to Purchase and in the related Letter of Transmittal, including our reasons for making the Offer. See Section 2.

Do the directors or executive officers of the Company intend to tender their shares in the Offer?

Our directors and executive officers are entitled to participate in the Offer on the same basis as all other stockholders. The Chairman of our Board of Directors, Mr. Matthew T. Moroun, has advised us that, although no final decision has been made, he or the Moroun Trust, of which he is a co-trustee and a beneficiary, may tender up to a total of 230,000 shares that they beneficially own in the Offer. Mr. Moroun and the Moroun Trust collectively beneficially own approximately 58% of the outstanding shares of our common stock. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised us that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. Our other directors and executive officers have advised us that they do not intend to tender any of their shares in the Offer. As a result, the proportional holdings of our directors and executive officers who do not participate in the Offer will increase following the consummation of the Offer. After termination of the Offer, our directors and executive officers may, in compliance with applicable law, sell their shares in open market transactions after the Offer at prices that may or may not be more favorable than the purchase price to be paid to our stockholders in the Offer. See Section 10.

If Messrs. Moroun, Cushman, Davis and the Moroun Trust properly tender all of the shares which they have indicated they may tender in this Offer, the Offer will be oversubscribed, even if we exercise our right to increase the number of shares accepted for payment by up to an additional 2% of our outstanding shares (or approximately 148,566 additional shares). In such circumstance, the price(s) at which Messrs. Moroun, Cushman, Davis and the Moroun Trust tender their shares could determine the price at which all of the shares accepted for payment are purchased. Additionally, if the Offer is oversubscribed, we will purchase shares, subject to the terms of the Offer, from all stockholders who properly tender shares at or below the purchase price we determine, on a pro rata basis. See Section 1. Therefore, if you wish to maximize the chance that your shares will be purchased and wish to maximize the number of your shares accepted for payment, you should tender as many shares as you own and are willing to sell in the Offer and select the option to tender your shares at the “Price Determined Under the Offer” indicating that you will accept the purchase price we determine.

If I decide not to tender, how will the Offer affect my shares?

Stockholders who choose not to tender their shares will own a greater percentage interest in our outstanding common stock following the consummation of the Offer. See Section 2.

What is the recent market price of my shares?

On May 20, 2015, the reported closing price of the shares quoted on NASDAQ was $57.04 per share. You are urged to obtain current market quotations for the shares before deciding whether and at what purchase price or purchase prices to tender your shares. See Section 7.

When will the Company pay for the shares I tender?

We will pay the purchase price, net to the seller in cash, less any applicable withholding tax and without interest, for the shares we purchase promptly after the expiration of the Offer and the acceptance of the shares for payment. We do not expect, however, to announce the results of proration and begin paying for tendered shares until up to ten business days after the expiration of the Offer. See Section 5.

Will I have to pay brokerage commissions if I tender my shares?

If you are the record owner of your shares and you tender your shares directly to the Depositary, you will not have to pay brokerage fees or similar expenses. If you own your shares through a broker, dealer, commercial bank, trust company or other nominee and the nominee tenders your shares on your behalf, the nominee may charge you a fee for doing so. You should consult with your broker, dealer, commercial bank, trust company or other nominee to determine whether any charges will apply. See Section 3.

What are the U.S. federal tax consequences if I exercise a vested stock option in order to tender shares?

If you exercise a nonstatutory stock option (“NSO”) and then sell the shares you purchased under the option in the Offer, the difference between (a) the fair market value of those shares at the time of exercise and (b) the exercise price of those shares (this difference is often called the “spread” at exercise), generally will be treated as ordinary income to you. The purchase of shares under the Offer may be treated as a sale or exchange of such shares for U.S. federal income tax purposes. If so treated, any difference between (a) the total sale price of those shares and (b) the fair market value of those shares at the time of exercise will generally be treated as a capital gain or loss (short-term if you have held the shares for one year or less since the time of exercise; long-term if you have held the shares for more than one year).

The exercise of an NSO granted to employees generally is subject to tax withholding and reporting. The portion that is ordinary income to you will be subject to all the normal withholding on compensation, including federal, state (and depending on your location, local) income taxes as well as applicable employment tax withholdings. The tax withholding rate will differ for employees based on their individual tax situations. At the same time you pay the exercise price of the options you are exercising in connection with the Offer, you must pay for all applicable tax withholdings on the NSOs you exercise. We will report any ordinary income you recognize and taxes withheld on your Form W-2 and other applicable tax filings for 2015.

The federal U.S. tax summaries above do not address other tax rules; for instance, they do not address the state, local, employment or non-U.S. tax implications of the exercise of your stock options in connection with the Offer, nor do the summaries above discuss the application of Section 409A of the Internal Revenue Code to your stock options. In addition, if you are subject to tax in both the U.S. and another country, different or additional tax rules also may apply. Accordingly, we strongly encourage you to discuss the Offer with your tax advisor, broker and/or financial advisor if you are considering exercise of your vested stock options in order to participate in the Offer.

What are the U.S. federal income tax consequences if I tender my shares?

Generally, if you are a U.S. Holder (as defined in Section 13), you will be subject to U.S. federal income taxation when you receive cash from us in exchange for the shares you tender in the Offer. The receipt of cash for your tendered shares will generally be treated for U.S. federal income tax purposes either as (1) a sale or exchange eligible for capital gain or loss treatment or (2) a distribution in respect of stock from the Company. See Section 13. If you are a foreign stockholder (as defined in Section 3), you generally will be subject to U.S. withholding at a rate of 30% on payments received pursuant to the Offer, unless the Depositary determines that a reduced or zero rate of withholding is applicable pursuant to an applicable income tax treaty or that an exemption from withholding is applicable because such gross proceeds are effectively connected with the conduct by you of a trade or business within the United States. In order to obtain a reduced or zero rate of withholding under an applicable income tax treaty, a foreign stockholder must deliver to the Depositary before the payment is made a properly completed and executed Internal Revenue Service (“IRS”) Form W-8BEN (or other applicable Form W-8), including a U.S. taxpayer identification number, claiming such reduction or exemption. In order to claim an exemption from withholding on the grounds that gross proceeds paid pursuant to the Offer are effectively connected with the conduct of a trade or business by a foreign stockholder within the United States, the foreign stockholder must deliver to the Depositary before the payment is made a properly completed and executed IRS Form W-8ECI claiming such exemption. Such forms can be obtained from the Depositary. You may be eligible to file for a refund from the IRS of all or a portion of such tax withheld if the “complete termination,” “substantially disproportionate” or “not essentially equivalent to a dividend” tests described in Section 13 are met or if you are entitled to a reduced or zero rate of withholding pursuant to an income tax treaty and the Depositary withheld at a higher rate. You also may be subject to tax in your jurisdiction on the disposal of shares. Please consult your personal tax advisor to determine how this will apply to you. See Section 3.

Along with your Letter of Transmittal, you are asked to submit the IRS Form W-9 included with the Letter of Transmittal if you are a U.S. Holder. Any tendering stockholder or other payee who fails to complete, sign and return to the Depositary the IRS Form W-9 included with the Letter of Transmittal (or such other IRS form as may be applicable) may be subject to United States backup withholding at a rate equal to 28% of the gross proceeds paid to the stockholder or other payee pursuant to the Offer, unless such stockholder establishes that such stockholder is within the class of persons that is exempt from backup withholding (including certain corporations and certain foreign individuals and entities). Backup withholding generally will not apply to amounts subject to the 30% or treaty-reduced rate of withholding. See Section 3.

All stockholders should review the discussion in Sections 3 and 13 regarding tax issues and consult their tax advisor with respect to the tax effects of a tender of shares.

Does the Company intend to repurchase any shares other than pursuant to the Offer during or after the Offer?

On May 21, 2015, our Board of Directors approved the Offer. Rule 13e-4(f) under the Exchange Act prohibits us from purchasing any shares, other than in the Offer, until at least 10 business days after the Expiration Time. Accordingly, any repurchases outside of the Offer may not be consummated until at least 10 business days after the Offer expires. See Section 9.

Will I have to pay stock transfer tax if I tender my shares?

We will pay all stock transfer taxes unless payment is made to, or if shares not tendered or accepted for payment are to be registered in the name of, someone other than the registered holder, or tendered certificates are registered in the name of someone other than the person signing the Letter of Transmittal. See Section 5.

To whom can I talk if I have questions?

If you have any questions regarding the Offer, please contact Georgeson Inc., the Information Agent for the Offer, at (800) 676-0098. Additional contact information for the Information Agent is set forth on the back cover of this Offer to Purchase.

vii

CAUTIONARY NOTE ON FORWARD-LOOKING STATEMENTS

This Offer to Purchase, including any documents incorporated by reference or deemed to be incorporated by reference, contains “forward-looking statements,” which are statements relating to future events, future financial performance, strategies, expectations, and competitive environment. Words such as “may,” “will,” “should,” “could,” “would,” “predicts,” “potential,” “continue,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates” and similar expressions, as well as statements in future tense, identify forward-looking statements.

You should not read forward-looking statements as a guarantee of future performance or results. They will not necessarily be accurate indications of whether or at what time such performance or results will be achieved. Forward-looking statements are based on information available at the time those statements are made and/or management’s good faith belief at that time with respect to future events. Such statements are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in or suggested by the forward-looking statements. These risks and uncertainties include, but are not limited to, the factors set forth under the caption “Risk Factors” in our Annual Report on form 10-K for the fiscal year ended December 31, 2014, as well as the factors relating to the transactions discussed in this Offer to Purchase and the following:

excess capacity in the trucking industry;

surplus inventories;

recessionary economic cycles and downturns in customers’ business cycles;

increases or rapid fluctuations in fuel prices, interest rates, fuel taxes, tolls, license and registration fees;

the resale value of the Company’s used equipment and the price of new equipment;

increases in compensation for and difficulty in attracting and retaining qualified drivers and owner-operators;

increases in insurance premiums and deductible amounts relating to accident, cargo, workers’ compensation, health, and other claims;

unanticipated increases in the number or amount of claims for which the Company is self-insured;

inability of the Company to continue to secure acceptable financing arrangements;

seasonal factors such as harsh weather conditions that increase operating costs;

competition from trucking, rail, and intermodal competitors, including reductions in rates resulting from competitive bidding;

the ability to identify acceptable acquisition candidates, consummate acquisitions, and integrate acquired operations;

a significant reduction in or termination of the Company’s trucking service by a key customer.

You should not place undue reliance on the forward-looking statements, which speak only as to the date of this Offer to Purchase or the date of documents incorporated by reference. Except as may be required by law, we undertake no obligation to make any revision to the forward-looking statements contained in this Offer to Purchase, the accompanying Letter of Transmittal or in any document incorporated by reference into this Offer to Purchase or to update them to reflect events or circumstances occurring after the date of this Offer to Purchase.

In addition, please refer to the documents incorporated by reference into this Offer to Purchase (see Section 9) for additional information on risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements or that may otherwise impact our Company and business. Any statement contained in a document incorporated herein by reference into this Offer to Purchase shall be deemed to be modified or superseded to the extent such statement is modified or superseded in this Offer to Purchase. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Offer to Purchase.

Notwithstanding anything in this Offer to Purchase, the Letter of Transmittal or any document incorporated by reference into this Offer to Purchase, the safe harbor protections of the Private Securities Litigation Reform Act of 1995 do not apply to statements made in connection with a tender offer.

viii

INTRODUCTION

To the Holders of our Common Stock:

We invite our stockholders to tender shares of our common stock, par value $0.01 per share (the “common stock”). Upon the terms and subject to the conditions of this Offer to Purchase and the related Letter of Transmittal, we are offering to purchase up to 80,000 shares at a price not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less applicable withholding taxes and without interest.

The Offer will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless extended.

After the Offer expires, we will look at the prices chosen by stockholders for all of the shares properly tendered. We will then select the lowest purchase price within the price range specified above that will allow us to buy 80,000 shares. If fewer than 80,000 shares are properly tendered, we will select the price (in multiples of $1.00) that will allow us to buy all the shares that are properly tendered and not properly withdrawn. All shares we acquire in the Offer will be acquired at the same purchase price regardless of whether the stockholder tendered at a lower price.

Because of the proration provision described in this Offer to Purchase, we may not purchase all of the shares tendered even if stockholders tendered at or below the purchase price if more than the number of shares we seek are properly tendered. We will return shares tendered at prices in excess of the purchase price that we determine and shares that we do not purchase because of proration to the tendering stockholders at our expense promptly following the Expiration Time. See Section 1.

Tendering stockholders whose shares are registered in their own names and who tender directly to Computershare Trust Company, N.A., the Depositary for the Offer, will not be obligated to pay brokerage fees or commissions or, except as set forth in Instruction 7 to the Letter of Transmittal, stock transfer taxes on the purchase of shares by us under the Offer. If you own your shares through a broker, dealer, commercial bank, trust company or other nominee and the nominee tenders your shares on your behalf, the nominee may charge you a fee for doing so. You should consult your broker, dealer, commercial bank, trust company or other nominee to determine whether any charges will apply.

The Offer is not conditioned upon any minimum number of shares being tendered. Our obligation to accept, and pay for, shares validly tendered pursuant to the Offer is conditioned upon satisfaction or waiver of the conditions set forth in Section 6 of this Offer to Purchase.

Our Board of Directors has approved the Offer. However, neither we nor our Board of Directors, the Depositary, or the Information Agent is making any recommendation whether you should tender or refrain from tendering your shares or at what purchase price or purchase prices you should choose to tender your shares. You must decide whether to tender your shares and, if so, how many shares to tender and the price or prices at which you will tender them. You should discuss whether to tender your shares with your broker or other financial or tax advisor. In so doing, you should read carefully the information in this Offer to Purchase and in the related Letter of Transmittal, including our reasons for making the Offer. See Section 2.

Our directors and executive officers are entitled to participate in the Offer on the same basis as all other stockholders. The Chairman of our Board of Directors, Mr. Matthew T. Moroun, has advised us that, although no final decision has been made, he or the Moroun Trust, of which he is a co-trustee and a beneficiary, may tender up to a total of 230,000 shares that they beneficially own in the Offer. Mr. Moroun and the Moroun Trust collectively beneficially own approximately 58% of the outstanding shares of our common stock. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised us that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. Our other directors and executive officers have advised us that they do not intend to tender any of their shares in the Offer. As a result, the proportional holdings of our directors and executive officers who do not participate in the Offer will increase following the consummation of the Offer. After termination of the Offer, our directors and executive officers may, in compliance with applicable law, sell their shares in open market transactions after the Offer at prices that may or may not be more favorable than the purchase price to be paid to our stockholders in the Offer. See Section 10.

As of May 20, 2015, there were 7,428,340 shares of our common stock issued and outstanding. The 80,000 shares that we are offering to purchase hereunder represent approximately 1.1% of the total number of issued shares of our common stock as of May 20, 2015. The shares are listed and traded on NASDAQ under the symbol “PTSI”. On May 20, 2015, the closing price of the shares as quoted on NASDAQ was $57.04 per share. Stockholders are urged to obtain current market quotations for the shares before deciding whether and at what purchase price or purchase prices to tender their shares. See Section 7.

THE TENDER OFFER

Terms of the Offer

General. Upon the terms and subject to the conditions of the Offer, we will purchase up to 80,000 shares of our common stock, or if fewer than 80,000 shares are properly tendered, all shares that are properly tendered and not properly withdrawn in accordance with Section 4, at a price not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding tax and without interest. In accordance with the rules of the Securities and Exchange Commission (the “Commission” or the “SEC”) and subject to certain limitations and legal requirements, we reserve the right to accept for payment, according to the terms and conditions of this Offer, up to an additional 2% of our outstanding shares (or approximately 148,566 additional shares) for a total of approximately 228,566 shares.

The term “Expiration Time” means the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless we, in our sole discretion, shall have extended the period of time during which the Offer will remain open, in which event the term “Expiration Time” shall refer to the latest time and date at which the Offer, as so extended by us, shall expire. See Section 14 for a description of our right to extend, delay, terminate or amend the Offer.

In the event of an over-subscription of the Offer as described below, shares tendered at or below the purchase price will be subject to proration based on the number of shares tendered prior to the Expiration Time.

Except as described herein, withdrawal rights expire at the Expiration Time.

If we:

•

increase the price to be paid for shares above $63.00 per share or decrease the price to be paid for shares below $59.00 per share;

•

increase the number of shares being sought in the Offer and such increase in the number of shares being sought exceeds 2% of our outstanding shares (or approximately 148,566 additional shares) for a total of 228,566 shares; or

•

decrease the number of shares being sought in the Offer; and

the Offer is scheduled to expire at any time earlier than the expiration of a period ending at 12:00 Midnight, Eastern Time, on the tenth business day (as defined below) from, and including, the date that notice of any such increase or decrease is first published, sent or given in the manner specified in Section 14, then the Offer will be extended until the expiration of such period of ten business days. For the purposes of the Offer, a “business day” means any day other than a Saturday, Sunday or United States federal holiday and consists of the time period from 12:01 a.m. to approximately 12:00 Midnight, Eastern Time.

The Offer is not conditioned on any minimum number of shares being tendered. The Offer is, however, subject to certain other conditions. See Section 6.

In accordance with Instruction 5 of the Letter of Transmittal, stockholders desiring to tender shares must specify the price or prices, not in excess of $63.00 nor less than $59.00 per share, at which they are willing to sell their shares to us under the Offer. Alternatively, stockholders desiring to tender shares can choose not to specify a price and, instead, elect to tender their shares at the purchase price ultimately paid for shares properly tendered and not properly withdrawn in the Offer. If you agree to accept the purchase price determined in the Offer, your shares will be deemed to be tendered at the minimum price of $59.00 per share. See Section 7 for recent market prices for the shares.

Promptly following the Expiration Time, we will look at the prices chosen by stockholders for all of the shares properly tendered and will determine the purchase price that we will pay for shares properly tendered and not properly withdrawn in the Offer. Once the purchase price has been determined, we intend to promptly disclose such price in a manner calculated to inform stockholders of this information, which will include a press release through Globe Newswire or another comparable service.

We will then select the lowest purchase price (in multiples of $1.00) within the price range specified above that will allow us to buy 80,000 shares or such greater number of shares as we may accept for payment, subject to applicable law. If fewer than 80,000 shares are properly tendered, we will select the price that will allow us to buy all the shares that are properly tendered and not properly withdrawn.

All shares we acquire in the Offer will be acquired at the same purchase price regardless of whether the stockholder tendered at a lower price. However, because of the proration provision described in this Offer to Purchase, we may not purchase all of the shares tendered even if stockholders tendered at or below the purchase price if more than the number of shares we seek are properly tendered. We will return shares tendered at prices in excess of the purchase price that we determine and shares that we do not purchase because of proration to the tendering stockholders at our expense promptly after the Offer expires. Stockholders can specify one price for a specified portion of their shares and a different price for other specified shares, but a separate Letter of Transmittal must be submitted for shares tendered at each price. See Instruction 5 to the Letter of Transmittal.

Stockholders also can specify the order in which we will purchase the specified portions in the event that, as a result of the proration provisions or otherwise, we purchase some but not all of the tendered shares pursuant to the Offer. In the event a stockholder does not designate the order and fewer than all shares are purchased due to proration, the Depositary will select the order of shares purchased.

If the number of shares properly tendered at or below the purchase price and not properly withdrawn prior to the Expiration Time is less than or equal to 80,000 shares, or such greater number of shares as we may elect to accept for payment, subject to applicable law, we will, upon the terms and subject to the conditions of the Offer, purchase all shares so tendered at the purchase price.

Upon the terms and subject to the conditions of the Offer, if more than 80,000 shares, or such greater number of shares as we may elect to accept for payment, subject to applicable law, have been properly tendered at prices at or below the purchase price selected by us and not properly withdrawn prior to the Expiration Time, we will purchase all properly tendered shares tendered at prices at or below the purchase price we determine, on a pro rata basis, with appropriate adjustments to avoid purchases of fractional shares, as described below. Due to this proration provision, it is possible that all of the shares that a stockholder tenders in the Offer may not be purchased even if they are tendered at prices at or below the purchase price.

Proration. If proration of tendered shares is required, we will determine the proration factor promptly following the Expiration Time. Subject to adjustment to avoid the purchase of fractional shares, proration for each stockholder tendering shares will be based on the ratio of the number of shares properly tendered and not properly withdrawn by the stockholder to the total number of shares properly tendered and not properly withdrawn by all stockholders, at or below the purchase price selected by us. Because of the difficulty in determining the number of shares properly tendered and not properly withdrawn, we expect that we will not be able to announce the final proration factor or commence payment for any shares purchased pursuant to the Offer until up to ten business days after the Expiration Time. The preliminary results of any proration will be announced by press release promptly after the Expiration Time. After the Expiration Time, stockholders may obtain preliminary proration information from the Information Agent and also may be able to obtain the information from their brokers.

As described in Section 13, the number of shares that we will purchase from a stockholder under the Offer may affect the U.S. federal income tax consequences to that stockholder and, therefore, may be relevant to a stockholder’s decision whether or not to tender shares and whether to condition any tender upon our purchase of a stated number of Shares held by such stockholder.

This Offer to Purchase and the related Letter of Transmittal will be mailed to record holders of shares and will be furnished to brokers, dealers, commercial banks and trust companies whose names, or the names of whose nominees, appear on our stockholder list or, if applicable, who are listed as participants in a clearing agency’s security position listing for subsequent transmittal to beneficial owners of shares.

Purpose of the Tender Offer; Certain Effects of the Tender Offer; Other Plans

Purpose of the Tender Offer. On May 21, 2015, our Board of Directors approved a tender offer for up to 80,000 shares of our common stock, representing an aggregate purchase price of approximately $5.0 million at the maximum offer price of $63.00, plus an additional amount of shares up to 2% of our total outstanding shares (or approximately 148,566 additional shares), which we may accept for payment in the Offer in accordance with the rules of the SEC. Our Board of Directors has determined that the Offer is a prudent use of our financial resources and presents an appropriate balance between meeting the needs of our business and delivering value to our stockholders. Our Board of Directors determined that a cash tender offer is an appropriate mechanism to return capital to stockholders that seek liquidity under current market conditions while, at the same time, allowing stockholders to share in a higher portion of our future potential.

The Offer also provides our stockholders with an efficient way to sell their shares without incurring broker’s fees or commissions associated with open market sales.

Neither we nor any member of our Board of Directors, the Depositary, or the Information Agent is making any recommendation to any stockholder as to whether to tender or refrain from tendering any shares or as to the purchase price or purchase prices at which stockholders may choose to tender their shares. We have not authorized any person to make any such recommendation. Stockholders should carefully evaluate all information in the Offer. Stockholders are also urged to consult with their tax advisors to determine the consequences to them of participating or not participating in the Offer, and should make their own decisions about whether to tender shares and, if so, how many shares to tender and the purchase price or purchase prices at which to tender. In doing so, you should read carefully the information in this Offer to Purchase and in the related Letter of Transmittal.

Certain Effects of the Offer. Stockholders who do not tender their shares pursuant to the Offer and stockholders who otherwise retain an equity interest in the Company as a result of a partial tender of shares or proration will continue to be owners of the Company. As a result, those stockholders will realize a proportionate increase in their relative equity interest in the Company and, thus, in our future earnings and assets, if any, and will bear the attendant risks associated with owning our equity securities, including risks resulting from our purchase of shares. However, we may not be able to issue additional shares or equity interests in the future. Stockholders may be able to sell non-tendered shares in the future on NASDAQ or otherwise, at a net price significantly higher or lower than the purchase price in the Offer. We can give no assurance, however, as to the price at which a stockholder may be able to sell his or her shares in the future.

Shares we acquire pursuant to the Offer will be held in treasury and will be available for us to issue without further stockholder action (except as required by applicable law or the rules of NASDAQ) for purposes including, without limitation, acquisitions, raising additional capital and the satisfaction of obligations under existing or future employee benefit or compensation programs or stock plans or compensation programs for directors.

The Offer will reduce our “public float” (the number of shares owned by non-affiliate stockholders and available for trading in the securities markets), and is likely to reduce the number of our stockholders. These reductions may result in lower or higher stock prices and/or reduced liquidity in the trading market for our common stock following completion of the Offer.

Our directors and executive officers are entitled to participate in the Offer on the same basis as all other stockholders. The Chairman of our Board of Directors, Mr. Matthew T. Moroun, has advised us that, although no final decision has been made, he or the Moroun Trust, of which he is a co-trustee and a beneficiary, may tender up to a total of 230,000 shares that they beneficially own in the Offer. Mr. Moroun and the Moroun Trust collectively beneficially own approximately 58% of the outstanding shares of our common stock. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised us that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. Our other directors and executive officers have advised us that they do not intend to tender any of their shares in the Offer. As a result, the proportional holdings of our directors and executive officers who do not participate in the Offer will increase following the consummation of the Offer. After termination of the Offer, our directors and executive officers may, in compliance with applicable law, sell their shares in open market transactions after the Offer at prices that may or may not be more favorable than the purchase price to be paid to our stockholders in the Offer. See Section 10.

Except for the foregoing and as otherwise disclosed in this Offer to Purchase or the documents incorporated by reference herein, we currently have no plans, proposals or negotiations underway that relate to or would result in:

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any extraordinary transaction, such as a merger, reorganization or liquidation, involving us or any of our subsidiaries;

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any purchase, sale or transfer of an amount of our assets or any of our subsidiaries’ assets which is material to us and our subsidiaries, taken as a whole;

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any change in our present board of directors or management or any plans or proposals to change the number or the term of directors (except that we may fill any existing vacancies on the board and vacancies arising on the board in the future) or to change any material term of the employment contract of any executive officer;

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any material change in our present dividend rate or policy, our indebtedness or capitalization, our corporate structure or our business;

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any class of our equity securities ceasing to be authorized to be listed on NASDAQ;

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the termination of registration under Section 12(g) of the Exchange Act of any class of our equity securities;

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the suspension of our obligation to file reports under Section 15(d) of the Exchange Act;

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the acquisition or disposition by any person of our securities; or

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any changes in our charter or by-laws that could impede the acquisition of control of us.

Notwithstanding the foregoing, as part of our long-term corporate goal of increasing stockholder value, we have regularly considered alternatives to enhance stockholder value, including open market repurchases of our shares, modifications of our dividend policy, strategic acquisitions and business combinations, and we intend to continue to consider alternatives to enhance stockholder value. Except as otherwise disclosed in this Offer to Purchase, as of the date hereof, no agreements, understandings or decisions have been reached and there can be no assurance that we will decide to undertake any such alternatives. Additionally, from time-to-time we may liquidate, merge or reorganize our subsidiaries for tax and corporate-related purposes.

Procedures for Tendering Shares

Valid Tender. For a stockholder to make a valid tender of shares under the Offer:

(i)

the Depositary must receive, at one of its addresses set forth on the back cover of this Offer to Purchase and prior to the Expiration Time:

a Letter of Transmittal, properly completed and duly executed, together with any required signature guarantees, or, in the case of a book-entry transfer, an “agent’s message” (see “—Book-Entry Transfer” below), and any other required documents; and

either certificates representing the tendered shares or, in the case of tendered shares delivered in accordance with the procedures for book-entry transfer we describe below, a book-entry confirmation of that delivery (see “—Book-Entry Transfer” below); or

(ii)

the tendering stockholder must, before the Expiration Time, comply with the guaranteed delivery procedures we describe below.

If a broker, dealer, commercial bank, trust company or other nominee holds your shares, it is likely the nominee has established an earlier deadline for you to act to instruct the nominee to accept the Offer on your behalf. We urge you to contact your broker, dealer, commercial bank, trust company or other nominee to find out the nominee’s applicable deadline.

The valid tender of shares by you by one of the procedures described in this Section 3 will constitute a binding agreement between you and us on the terms of, and subject to the conditions to, the Offer.

In accordance with Instruction 5 of the Letter of Transmittal, each stockholder desiring to tender shares pursuant to the Offer must either (1) check the box in the section of the Letter of Transmittal captioned “Shares Tendered at Price Determined Under the Offer,” in which case you will be deemed to have tendered your shares at the minimum price of $59.00 per share or (2) check one, and only one, of the boxes corresponding to the price at which shares are being tendered in the section of the Letter of Transmittal captioned “Price (in Dollars) Per Share at Which Shares Are Being Tendered.” A tender of shares will be proper only if one, and only one, of these boxes is checked on the Letter of Transmittal.

If tendering stockholders wish to maximize the chance that their shares will be purchased, they should check the box in the section of the Letter of Transmittal captioned “Shares Tendered at Price Determined Under the Offer.” For purposes of determining the purchase price, those shares that are tendered by stockholders agreeing to accept the purchase price determined in the Offer will be deemed to be tendered at the minimum price of $59.00 per share. See Section 7 for recent market prices for the shares.

If tendering stockholders wish to indicate a specific price (in multiples of $1.00) at which their shares are being tendered, they must check the applicable price box in the section of the Letter of Transmittal captioned “Price (in Dollars) per Share at Which Shares Are Being Tendered.” Tendering stockholders should be aware that this election could mean that none of their shares will be purchased if the price selected by the stockholder is higher than the purchase price we eventually select after the Expiration Time.

A stockholder who wishes to tender shares at more than one price must complete a separate Letter of Transmittal for each price at which shares are being tendered. The same shares cannot be tendered (unless previously properly withdrawn in accordance with the terms of the Offer) at more than one price. In case of withdrawal, stockholders who tendered multiple prices pursuant to multiple Letters of Transmittal must comply with the procedures set forth in Section 4.

We urge stockholders who hold shares through brokers or banks to consult the brokers or banks to determine whether transaction costs are applicable if they tender shares through the brokers or banks and not directly to the Depositary.

Book-Entry Transfer. For purposes of the Offer, the Depositary will establish an account for the shares at The Depository Trust Company (the “book-entry transfer facility”) within two business days after the date of this Offer to Purchase. Any financial institution that is a participant in the book-entry transfer facility’s system may make book-entry delivery of shares by causing the book-entry transfer facility to transfer those shares into the Depositary’s account in accordance with the book-entry transfer facility’s procedures for that transfer. Although delivery of shares may be effected through book-entry transfer into the Depositary’s account at the book-entry transfer facility, the Letter of Transmittal, properly completed and duly executed, with any required signature guarantees, or an agent’s message, and any other required documents must, in any case, be transmitted to, and received by, the Depositary at one of its addresses set forth on the back cover of this Offer to Purchase prior to the Expiration Time, or the tendering stockholder must comply with the guaranteed delivery procedures we describe below.

The confirmation of a book-entry transfer of shares into the Depositary’s account at the book-entry transfer facility as we describe above is referred to herein as a “book-entry confirmation.” Delivery of documents to the book-entry transfer facility in accordance with the book-entry transfer facility’s procedures will not constitute delivery to the Depositary.

The term “agent’s message” means a message transmitted by the book-entry transfer facility to, and received by, the Depositary and forming a part of a book-entry confirmation, stating that the book-entry transfer facility has received an express acknowledgment from the participant tendering shares through the book-entry transfer facility that the participant has received and agrees to be bound by the terms of the Letter of Transmittal and that we may enforce that agreement against that participant.

Method of Delivery. The method of delivery of shares, the Letter of Transmittal and all other required documents, including delivery through the book-entry transfer facility, is at the election and risk of the tendering stockholder. Shares will be deemed delivered only when actually received by the Depositary (including, in the case of a book-entry transfer, by book-entry confirmation). If you plan to make delivery by mail, we recommend that you deliver by registered mail with return receipt requested and obtain proper insurance. In all cases, sufficient time should be allowed to ensure timely delivery.

Signature Guarantees. No signature guarantee will be required on a Letter of Transmittal for shares tendered thereby if:

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the “registered holder(s)” of those shares signs the Letter of Transmittal and has not completed either the box entitled “Special Delivery Instructions” or the box entitled “Special Payment Instructions” in the Letter of Transmittal; or

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those shares are tendered for the account of an “eligible institution.”

For purposes hereof, a “registered holder” of tendered shares will include any participant in the book-entry transfer facility’s system whose name appears on a security position listing as the owner of those shares, and an “eligible institution” is a “financial institution,” which term includes most commercial banks, savings and loan associations and brokerage houses, that is a participant in any of the following: (i) the Securities Transfer Agents Medallion Program; (ii) the New York Stock Exchange, Inc. Medallion Signature Program; or (iii) the Stock Exchange Medallion Program.

Except as we describe above, all signatures on any Letter of Transmittal for shares tendered thereby must be guaranteed by an eligible institution. See Instructions 1 and 6 to the Letter of Transmittal. If the certificates for shares are registered in the name of a person other than the signer of the Letter of Transmittal, or if payment is to be made or certificates for shares not tendered or not accepted for payment are to be returned to a person other than the registered holder of the certificates surrendered, then the tendered certificates must be endorsed or accompanied by appropriate stock powers, in either case signed exactly as the name or names of the registered holders or owners appear on the certificates, with the signatures on the certificates or stock powers guaranteed as aforesaid. See Instructions 1 and 6 to the Letter of Transmittal.

Guaranteed Delivery. If you wish to tender shares under the Offer and your certificates for shares are not immediately available or the procedures for book-entry transfer cannot be completed on a timely basis or time will not permit all required documents to reach the Depositary prior to the Expiration Time, your tender may be effected if all the following conditions are met:

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your tender is made by or through an eligible institution;

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a properly completed and duly executed Notice of Guaranteed Delivery, in the form we have provided, is received by the Depositary, as provided below, prior to the Expiration Time; and

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the Depositary receives, at one of its addresses set forth on the back cover of this Offer to Purchase and within the period of three business days after the date of execution of that Notice of Guaranteed Delivery, either: (i) the certificates representing the shares being tendered, in the proper form for transfer, together with (1) a Letter of Transmittal, which has been properly completed and duly executed and includes all signature guarantees required thereon and (2) all other required documents; or (ii) confirmation of book-entry transfer of the shares into the Depositary’s account at the book-entry transfer facility, together with (1) either a Letter of Transmittal, which has been properly completed and duly executed and includes all signature guarantees required thereon or an agent’s message, and (2) all other required documents.

A Notice of Guaranteed Delivery must be delivered to the Depositary by overnight courier, facsimile transmission or mail before the Expiration Time and must include a guarantee by an eligible institution in the form set forth in the Notice of Guaranteed Delivery.

Stock Options and Other Equity Awards. Holders of vested but unexercised options to purchase Company shares may exercise such options in accordance with the terms of the stock option plan and tender the shares received upon such exercise in accordance with the Offer. An election to exercise Company stock options is irrevocable, which means that if the shares resulting from exercise are not purchased in the Offer for any reason, as discussed in Section 3 above, the purchaser will continue to hold such shares and will not be given an opportunity to unwind the stock option exercise by the Company.

If a holder of vested stock options wishes to sell shares issuable pursuant to unexercised options, he or she must:

(1)

exercise any such vested options by submitting a written exercise notice to the Company’s stock administrator (as well as the applicable exercise price to the Company and, if applicable, pay any taxes that must be withheld as a result of the exercise) before the Exercise Deadline, and

(2)

submit an election to participate in the Offer prior to the Expiration Time.

If a holder of vested stock options wishes to sell shares in the Offer that were issuable upon exercise of a Company stock option and for any reason (a) he or she fails to properly or timely complete and submit an option exercise notice, and/or (b) he or she fails to pay the applicable exercise price for any option that is exercised (including any necessary tax amounts), in either case, before the Exercise Deadline, then such individual will not be eligible to sell shares subject to such option in the Offer.

Holders of vested but unexercised options should evaluate this Offer to Purchase carefully to determine if participation would be advantageous to them, based on their stock option exercise prices, the date of their stock option grants and the years left to exercise their options, the range of tender prices, the tax consequences of choosing to exercise any options, and the provisions for pro rata purchases by the Company described in Section 1 above. We strongly encourage holders of vested stock options to discuss the Offer with their tax advisor, broker and/or financial advisor. Holders of unvested and unexercised stock options, unvested stock awards and other restricted equity interests cannot tender such shares or shares represented by such interests.

Return of Unpurchased Shares. The Depositary will return certificates for unpurchased shares promptly after the expiration or termination of the Offer or the proper withdrawal of the shares, as applicable, or, in the case of shares tendered by book-entry transfer at the book-entry transfer facility, the Depositary will credit the shares to the appropriate account maintained by the tendering stockholder at the book-entry transfer facility, in each case without expense to the stockholder.

Tendering Stockholders’ Representation and Warranty; Our Acceptance Constitutes an Agreement. It is a violation of Rule 14e-4 promulgated under the Exchange Act for a person acting alone or in concert with others, directly or indirectly, to tender shares for such person’s own account unless at the time of tender and at the Expiration Time such person has a “net long position” in (a) the shares that is equal to or greater than the amount tendered and will deliver or cause to be delivered such shares for the purpose of tendering to us within the period specified in the Offer or (b) other securities immediately convertible into, exercisable for or exchangeable into shares (“Equivalent Securities”) that is equal to or greater than the amount tendered and, upon the acceptance of such tender, will acquire such shares by conversion, exchange or exercise of such Equivalent Securities to the extent required by the terms of the Offer and will deliver or cause to be delivered such shares so acquired for the purpose of tender to us within the period specified in the Offer. Rule 14e-4 also provides a similar restriction applicable to the tender or guarantee of a tender on behalf of another person. A tender of shares made pursuant to any method of delivery set forth herein will constitute the tendering stockholder’s acceptance of the terms and conditions of the Offer, as well as the tendering stockholder’s representation and warranty to us that (a) such stockholder has a “net long position” in shares or Equivalent Securities at least equal to the shares being tendered within the meaning of Rule 14e-4, and (b) such tender of shares complies with Rule 14e-4. Our acceptance for payment of shares tendered pursuant to the Offer will constitute a binding agreement between the tendering stockholder and us upon the terms and subject to the conditions of the Offer.

Determination of Validity; Rejection of Shares; Waiver of Defects; No Obligation to Give Notice of Defects. All questions as to the number of shares to be accepted, the price to be paid for shares to be accepted and the validity, form, eligibility (including time of receipt) and acceptance for payment of any tender of shares will be determined by us, in our sole discretion, and our determination will be final and binding on all persons participating in the Offer, subject to such Offer participant’s disputing such determination in a court of competent jurisdiction. We reserve the absolute right prior to the expiration of the Offer to reject any or all tenders we determine not to be in proper form or the acceptance for payment of or payment for which may, in the opinion of our counsel, be unlawful. We also reserve the absolute right to waive any conditions of the Offer with respect to all stockholders or any defect or irregularity in any tender with respect to any particular shares or any particular stockholder whether or not we waive similar defects or irregularities in the case of other stockholders. No tender of shares will be deemed to have been validly made until all defects or irregularities relating thereto have been cured or waived. None of us, the Depositary, the Information Agent or any other person will be under any duty to give notification of any defects or irregularities in tenders or incur any liability for failure to give any such notification. Our reasonable interpretation of the terms of and conditions to the Offer, including the Letter of Transmittal and the instructions thereto, will be final and binding on all persons participating in the Offer, subject to such Offer participant’s disputing such determination in a court of competent jurisdiction. By tendering shares to us, you agree to accept all decisions we make concerning these matters and waive any right you might otherwise have to challenge those decisions.

U.S. Federal Income Tax Backup Withholding and Withholding. Under the U.S. backup withholding rules, 28% of the gross proceeds payable to a stockholder or other payee pursuant to the Offer must be withheld and remitted to the U.S. Treasury, unless the stockholder or other payee provides its taxpayer identification number (employer identification number or social security number) to the Depositary and certifies that such number is correct or an exemption otherwise applies under applicable Treasury regulations. Therefore, except as provided below, each tendering stockholder that is a U.S. Holder (as defined in Section 13) should complete and sign the IRS Form W-9 included as part of the Letter of Transmittal so as to provide the information and certification necessary to avoid backup withholding. Backup withholding is not an additional tax. Rather, the amount of backup withholding can be refunded by the IRS or credited against the U.S. federal income tax liability of the person subject to backup withholding, provided the required information is timely furnished to the IRS. Payments of sale proceeds to U.S. stockholders by a broker and payments of dividends generally will be subject to information reporting to the Internal Revenue Service.

Certain stockholders (including, among others, certain corporations and certain foreign individuals and entities) are not subject to backup withholding. In order for a foreign stockholder to qualify as a recipient exempt from backup withholding, that stockholder must submit a statement (generally, an IRS Form W-8BEN or other applicable IRS Form W-8), signed under penalties of perjury, attesting to that stockholder’s exempt status. Such statements can be obtained from the Depositary or from the IRS at www.irs.gov. Backup withholding generally will not apply to amounts subject to the 30% or treaty-reduced rate of withholding as described below.

ANY TENDERING STOCKHOLDER OR OTHER PAYEE THAT FAILS TO COMPLETE FULLY AND SIGN THE IRS FORM W-9 INCLUDED IN THE LETTER OF TRANSMITTAL OR APPLICABLE IRS FORM W-8 MAY BE SUBJECT TO REQUIRED U.S. BACKUP WITHHOLDING AT A RATE EQUAL TO 28% OF THE GROSS PROCEEDS PAID TO SUCH STOCKHOLDER OR OTHER PAYEE PURSUANT TO THE OFFER.

Gross proceeds payable pursuant to the Offer to a foreign stockholder or his or her agent will be subject to U.S. withholding tax at a rate of 30%, unless the Depositary determines that a reduced or zero rate of withholding is applicable pursuant to an applicable income tax treaty or that an exemption from withholding is applicable because such gross proceeds are effectively connected with the conduct of a trade or business by the foreign stockholder within the United States and, in either case, the foreign stockholder provides the appropriate certification, as described below. For this purpose, a foreign stockholder is any stockholder (other than a partnership or other entity or arrangement treated as a partnership for U.S. federal income tax purposes) that is not for U.S. federal income tax purposes: (a) an individual citizen or resident of the United States, (b) a corporation (or other entity treated as a corporation for U.S. federal income tax purposes) created or organized in or under the laws of the United States, any state thereof or the District of Columbia or otherwise treated as such for U.S. federal income tax purposes, (c) an estate the income of which is subject to U.S. federal income taxation regardless of its source, or (d) a trust if (i) a court within the United States can exercise primary supervision of the trust’s administration and one or more U.S. persons have the authority to control all substantial decisions of the trust or (ii) it has a valid election in effect under applicable regulations to be treated as a U.S. person. If a partnership (including for this purpose any entity or arrangement, domestic or foreign, treated as a partnership for U.S. federal income tax purposes) is a beneficial owner of our stock, the tax treatment of a partner in the partnership generally will depend upon the status of the partner and the activities of the partnership. A beneficial owner that is a partnership, and partners in such partnership, should consult their own tax advisors. A foreign stockholder may be eligible to file for a refund from the IRS of all or a portion of such tax withheld if such stockholder meets the “complete termination,” “substantially disproportionate” or “not essentially equivalent to a dividend” tests described in Section 13 or if such stockholder is entitled to a reduced or zero rate of withholding pursuant to an applicable income tax treaty and the Depositary withheld at a higher rate. In order to obtain a reduced or zero rate of withholding under an applicable income tax treaty, a foreign stockholder must deliver to the Depositary before the payment a properly completed and executed IRS Form W-8BEN (or other applicable IRS Form W-8), including a U.S. taxpayer identification number, claiming such exemption or reduction. In order to claim an exemption from withholding on the grounds that gross proceeds paid pursuant to the Offer are effectively connected with the conduct of a trade or business by the foreign stockholder within the United States, the foreign stockholder must deliver to the Depositary before the payment is made a properly completed and executed IRS Form W-8ECI claiming such exemption. Such forms can be obtained from the Depositary or from the IRS at www.irs.gov. Backup withholding generally will not apply to amounts subject to the 30% or a treaty-reduced rate of withholding. We must report annually to the IRS any dividends paid to a foreign stockholder and the tax withheld with respect to such dividends. Copies of these reports may be made available to tax authorities in the country where the foreign stockholder resides. Foreign stockholders are urged to consult their own tax advisors regarding the application of U.S. federal withholding tax, including eligibility for a withholding tax reduction or exemption and the refund procedure.

Lost Certificates. If the share certificates which a registered holder wants to surrender have been lost, destroyed or stolen, the stockholder should promptly notify the Depositary at (800) 546-5141. The Depositary will instruct the stockholder as to the steps that must be taken in order to replace the certificates.

Tax Consequences of Exercise of Vested Options. If an optionholder exercises a vested NSO, such optionholder will recognize ordinary income equal to the excess of (a) the fair market value of the NSO shares on the exercise date over (b) the exercise price paid for those shares. The optionholder’s election to participate in the Offer will not alter this result. Employees will be subject to withholding for federal income tax, employment taxes and any applicable state and local taxes required to be withheld from wages on such amount. Any difference between (a) the total sale price of those shares and (b) the fair market value of those shares at the time of exercise generally is expected to be treated as capital gain or loss (short-term if you have held the shares for one year or less since the time of exercise; long-term if you have held the shares for more than one year).

Important Note: If an optionholder is a citizen or tax resident or subject to the tax laws of more than one country, there might be additional or different tax and social insurance consequences that may apply to such individual.

Withdrawal Rights

Except as this Section 4 otherwise provides, tenders of shares are irrevocable. You may withdraw shares that you have previously tendered under the Offer according to the procedures we describe below at any time prior to the Expiration Time, unless we extend the Offer, for all shares. You may also withdraw your previously tendered shares at any time after the end of the day, 12:00 Midnight, Eastern Time, on July 21, 2015, unless such shares have been accepted for payment as provided in the Offer.

For a withdrawal to be effective, a written notice of withdrawal must:

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be received in a timely manner by the Depositary at one of its addresses set forth on the back cover of this Offer to Purchase; and

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specify the name of the person having tendered the shares to be withdrawn, the number of shares to be withdrawn and the name of the registered holder of the shares to be withdrawn, if different from the name of the person who tendered the shares.

If certificates for shares have been delivered or otherwise identified to the Depositary, then, prior to the physical release of those certificates, the serial numbers shown on those certificates must be submitted to the Depositary and, unless an eligible institution has tendered those shares, an eligible institution must guarantee the signatures on the notice of withdrawal.

If a stockholder has used more than one Letter of Transmittal or has otherwise tendered shares in more than one group of shares, the stockholder may withdraw shares using either separate notices of withdrawal or a combined notice of withdrawal, so long as the information specified above is included.

If shares have been delivered in accordance with the procedures for book-entry transfer described in Section 3, any notice of withdrawal must also specify the name and number of the account at the book-entry transfer facility to be credited with the withdrawn shares and otherwise comply with the book-entry transfer facility’s procedures.

Withdrawals of tenders of shares may not be rescinded, and any shares properly withdrawn will thereafter be deemed not validly tendered for purposes of the Offer. Withdrawn shares may be retendered at any time prior to the Expiration Time by again following one of the procedures described in Section 3.

We will decide, in our sole discretion, all questions as to the form and validity, including time of receipt, of notices of withdrawal, and each such decision will be final and binding on all persons participating in the Offer, subject to such other participants disputing such determination in a court of competent jurisdiction. We also reserve the absolute right to waive any defect or irregularity in the withdrawal of shares by any stockholder, whether or not we waive similar defects or irregularities in the case of any other stockholder. None of us, the Depositary, the Information Agent or any other person will be under any duty to give notification of any defects or irregularities in any notice of withdrawal or incur any liability for failure to give any such notification.

If we extend the Offer, are delayed in our purchase of shares, or are unable to purchase shares under the Offer as a result of a failure of a condition disclosed in Section 6, then, without prejudice to our rights under the Offer, the Depositary may, subject to applicable law, retain tendered shares on our behalf, and such shares may not be withdrawn except to the extent tendering stockholders are entitled to withdrawal rights as described in this Section 4. Our reservation of the right to delay payment for shares which we have accepted for payment is limited by Rule 13e-4(f)(5) promulgated under the Exchange Act, which requires that we must pay the consideration offered or return the shares tendered promptly after termination or withdrawal of a tender offer.

Purchase of Shares and Payment of Purchase Price

Upon the terms and subject to the conditions of the Offer, promptly following the Expiration Time, we will (1) determine a single per-share purchase price we will pay for the shares properly tendered and not properly withdrawn before the Expiration Time, taking into account the number of shares tendered and the prices specified by tendering stockholders, and (2) subject to certain limitations and legal requirements, decide whether to accept for payment up to an additional 2% of our outstanding shares (or approximately 148,566 additional shares), properly tendered at prices at or below the purchase price, and not properly withdrawn before the Expiration Time. In exercising this right, we may increase the purchase price to allow us to purchase all such additional shares.

For purposes of the Offer, we will be deemed to have accepted for payment (and therefore purchased), subject to the proration provisions of this Offer, shares that are properly tendered at or below the purchase price selected by us and not properly withdrawn only when, as and if we give oral or written notice to the Depositary of our acceptance of the shares for payment pursuant to the Offer.

Upon the terms and subject to the conditions of the Offer, we will accept for payment and pay the per-share purchase price for all of the shares accepted for payment pursuant to the Offer promptly after the Expiration Time. In all cases, payment for shares tendered and accepted for payment pursuant to the Offer will be made promptly, subject to possible delay in the event of proration, but only after timely receipt by the Depositary of:

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certificates for shares, or a timely book-entry confirmation of the deposit of shares into the Depositary’s account at the book-entry transfer facility,

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a properly completed and duly executed Letter of Transmittal, or, in the case of a book-entry transfer, an agent’s message, and

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any other required documents.

We will pay for shares purchased pursuant to the Offer by depositing the aggregate purchase price for the shares with the Depositary, which will act as agent for tendering stockholders for the purpose of receiving payment from us and transmitting payment to the tendering stockholders.

In the event of proration, we will determine the proration factor and pay for those tendered shares accepted for payment promptly after the Expiration Time. However, we expect that we will not be able to announce the final results of any proration or commence payment for any shares purchased pursuant to the Offer until up to 10 business days after the Expiration Time. Certificates for all shares tendered and not purchased, including all shares tendered at prices in excess of the purchase price and shares not purchased due to proration will be returned or, in the case of shares tendered by book-entry transfer, will be credited to the account maintained with the book-entry transfer facility by the participant who delivered the shares to the tendering stockholder at our expense promptly after the Expiration Time or termination of the Offer.

Under no circumstances will we pay interest on the purchase price, including but not limited to, by reason of any delay in making payment. In addition, if certain events occur, we may not be obligated to purchase shares pursuant to the Offer. See Section 6.

We will pay all stock transfer taxes, if any, payable on the transfer to us of shares purchased pursuant to the Offer. If, however, payment of the purchase price is to be made to, or (in the circumstances permitted by the Offer) if unpurchased shares are to be registered in the name of, any person other than the registered holder, or if tendered certificates are registered in the name of any person other than the person signing the Letter of Transmittal, the amount of all stock transfer taxes, if any (whether imposed on the registered holder or the other person), payable on account of the transfer to the person will be deducted from the purchase price unless satisfactory evidence of the payment of the stock transfer taxes, or exemption from payment of the stock transfer taxes, is submitted. See Instruction 7 of the Letter of Transmittal.

Any tendering stockholder or other payee that is a U.S. Holder and that fails to complete fully, sign and return to the Depositary the IRS Form W-9 included with the Letter of Transmittal or the applicable IRS Form W-8 may be subject to required U.S. backup withholding at a rate equal to 28% of the gross proceeds paid to the stockholder or other payee pursuant to the Offer. Any foreign stockholder will be subject to withholding at a rate of 30% on payments received pursuant to the Offer, unless the Depositary determines that a reduced or zero rate of withholding is applicable pursuant to an applicable tax treaty or that an exemption from withholding is applicable because such gross proceeds are effectively connected with the conduct of a trade or business by the foreign stockholder within the United States. See Section 3.

Conditions of the Tender Offer

Notwithstanding any other provision of the Offer, we will not be required to accept for payment, purchase or pay for any shares tendered, and may terminate or amend the Offer or may postpone the acceptance for payment of, or the purchase of and the payment for shares tendered, subject to Rule 13e-4(f)(5) under the Exchange Act (which requires that the issuer making the tender offer shall either pay the consideration offered or return tendered securities promptly after the termination or withdrawal of the tender offer), if prior to the Expiration Time any of the following events has occurred (or shall have been reasonably determined by us to have occurred) that, in our reasonable judgment and regardless of the circumstances giving rise to the event or events (other than any such event or events that are proximately caused by our action or failure to act), make it inadvisable to proceed with the Offer or with acceptance for payment:

•

there has occurred any change in the general political, market, economic or financial conditions in the United States or abroad that we deem is reasonably likely to materially and adversely affect our business or the trading in the shares, including, but not limited to, the following:

○

any general suspension of, or general limitation on prices for, or trading in, securities on any national securities exchange in the United States or in the over-the-counter market;

○

a declaration of a banking moratorium or any suspension of payments in respect of banks in the United States or any limitation (whether or not mandatory) by any governmental agency or authority on, or any other event that, in our reasonable judgment, could reasonably be expected to adversely affect, the extension of credit by banks or other financial institutions in the United States;

○

the commencement or escalation of a war, armed hostilities or other similar national or international calamity directly or indirectly involving the United States;

○

a decrease in excess of 10% in the market price for the shares or in the Dow Jones Industrial Average, the New York Stock Exchange Composite Index, the NASDAQ Composite Index or the S&P 500 Composite Index;

○

in the case of any of the foregoing existing at the time of the commencement of the Offer, in our reasonable judgment, a material acceleration or worsening thereof;

•

any change (or condition, event or development involving a prospective change) has occurred in the business, properties, assets, liabilities, capitalization, stockholders’ equity, financial condition, operations, licenses, results of operations or prospects of us or any of our subsidiaries or affiliates, taken as a whole, that, in our reasonable judgment, does or is reasonably likely to have a materially adverse effect on us or any of our subsidiaries or affiliates, taken as a whole, or we have become aware of any fact that, in our reasonable judgment, does or is reasonably likely to have a material adverse effect on the value of the shares;

•

legislation amending the Internal Revenue Code of 1986, as amended (the “Code”), has been passed by either the U.S. House of Representatives or the Senate or becomes pending before the U.S. House of Representatives or the Senate or any committee thereof, the effect of which, in our reasonable judgment, would be to change the tax consequences of the transaction contemplated by the Offer in any manner that would adversely affect us or any of our affiliates;

•

there has been threatened in writing, instituted, or pending any action, proceeding, application or counterclaim by or before any court or governmental, administrative or regulatory agency or authority, domestic or foreign, or any other person or tribunal, domestic or foreign, which:

○

challenges or seeks to challenge, restrain, prohibit or delay the making of the Offer, the acquisition by us of the shares in the Offer, or any other matter relating to the Offer, or seeks to obtain any material damages or otherwise relating to the transactions contemplated by the Offer;

○

seeks to make the purchase of, or payment for, some or all of the shares pursuant to the Offer illegal or results in a delay in our ability to accept for payment or pay for some or all of the shares;

○

seeks to impose limitations on our ability (or any affiliate of ours) to acquire or hold or to exercise full rights of ownership of the shares, including, but not limited to, the right to vote the shares purchased by us on all matters properly presented to our stockholders; or

○

otherwise could reasonably be expected to materially adversely affect the business, properties, assets, liabilities, capitalization, stockholders’ equity, financial condition, operations, licenses, results of operations or prospects of us or any of our subsidiaries or affiliates, taken as a whole, or the value of the shares;

•

any action has been taken or any statute, rule, regulation, judgment, decree, injunction or order (preliminary, permanent or otherwise) has been proposed, sought, enacted, entered, promulgated, enforced or deemed to be applicable to the Offer or us or any of our subsidiaries or affiliates by any court, government or governmental agency or other regulatory or administrative authority, domestic or foreign, which, in our reasonable judgment:

○

indicates that any approval or other action of any such court, agency or authority may be required in connection with the Offer or the purchase of shares thereunder;

○

could reasonably be expected to prohibit, restrict or delay consummation of the Offer; or

○

otherwise could reasonably be expected to materially adversely affect the business, properties, assets, liabilities, capitalization, stockholders’ equity, financial condition, operations, licenses or results of operations of us or any of our subsidiaries or affiliates, taken as a whole;

•

a tender or exchange offer for any or all of our outstanding shares (other than this Offer), or any merger, acquisition, business combination or other similar transaction with or involving us or any of our subsidiaries, has been proposed, announced or made by any person or entity or has been publicly disclosed;

•

we learn that:

○

any entity, “group” (as that term is used in Section 13(d)(3) of the Exchange Act) or person has acquired or proposes to acquire beneficial ownership of more than 5% of our outstanding shares, whether through the acquisition of stock, the formation of a group, the grant of any option or right, or otherwise (other than as and to the extent disclosed in a Schedule 13D or Schedule 13G filed with the SEC on or before May 20, 2015);

○

any entity, group or person who has filed a Schedule 13D or Schedule 13G with the SEC on or before May 20, 2015, has acquired or proposes to acquire, whether through the acquisition of stock, the formation of a group, the grant of any option or right, or otherwise, beneficial ownership of an additional 1% or more of our outstanding shares;

○

any person, entity or group has filed a Notification and Report Form under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, reflecting an intent to acquire us or any of our shares, or has made a public announcement reflecting an intent to acquire us or any of our subsidiaries or any of our assets or securities or our subsidiaries’ assets or securities;

○

any approval, permit, authorization, favorable review or consent of any governmental entity required to be obtained in connection with the Offer has not been obtained on terms satisfactory to us in our reasonable discretion; or

•

we determine that the consummation of the Offer and the purchase of the shares is reasonably likely to cause the shares to be subject to delisting from NASDAQ.

The conditions referred to above are for our sole benefit and may be asserted by us regardless of the circumstances giving rise to any of these conditions (other than conditions that are proximately caused by our action or failure to act), and may be waived by us, in whole or in part, at any time and from time to time in our reasonable discretion prior to the Expiration Time. Our failure at any time to exercise any of the foregoing rights will not be deemed a waiver of any right, and each such right will be deemed an ongoing right that may be asserted at any time and from time to time prior to the Expiration Time. Any determination by us concerning the events described above will be final and binding on all persons participating in the Offer, subject to such Offer participant’s disputing such determination in a court of competent jurisdiction.

Price Range of the Shares

The shares are traded on NASDAQ GLOBAL MARKET under the symbol “PTSI”. The following table sets forth, for each of the periods indicated, the high and low sales prices per share as reported by NASDAQ, based on published financial sources.

Fiscal Year Ending December 31, 2015

	High		Low
First Quarter	$	63.70	$	49.77
Second Quarter (through May 20, 2015)		67.61		54.01

Fiscal Year Ended December 31, 2014

	High		Low
First Quarter	$	23.00	$	17.83
Second Quarter		29.01		19.46
Third Quarter		40.19		27.66
Fourth Quarter		54.74		33.71

Fiscal Year Ended December 31, 2013

	High		Low
First Quarter	$	11.57	$	9.30
Second Quarter		11.74		8.85
Third Quarter		17.82		10.00
Fourth Quarter		20.99		15.59

On May 20, 2015, the reported closing price of the shares quoted on NASDAQ was $57.04 per share. We urge stockholders to obtain a current market price for the shares before deciding whether and at what purchase price or purchase prices to tender their shares.

Source and Amount of Funds

Assuming that 80,000 shares are purchased in the Offer at the maximum purchase price of $63.00 per share, the aggregate purchase price will be approximately $5.0 million. Assuming that an additional amount of shares above the maximum of 80,000 shares are tendered in the Offer at the maximum purchase price of $63.00 per share and we exercise in full our right to purchase an additional number of shares up to 2% (approximately 148,566 shares) of our outstanding shares, the aggregate purchase price will be approximately $14.4 million. We anticipate that we will pay for the shares tendered in the Offer, as well as paying related fees and expenses, from our cash, cash equivalents and short-term investments and from funds borrowed under our existing line of credit.

Our existing line of credit agreement with First Tennessee Bank National Association provides for maximum borrowings of $40.0 million and contains certain restrictive covenants that must be maintained by the Company on a consolidated basis. Amounts outstanding under the line of credit bear interest at LIBOR (determined as of the first day of each month) plus 1.50% (1.68% at May 20, 2015), are secured by our accounts receivable and mature on July 1, 2016. Monthly payments of interest are required under this agreement. Also, under the terms of the agreement the Company must have a debt to equity ratio of no more than 2.5:1 as of the end of each calendar quarter after March 31, 2015. At May 20, 2015, outstanding advances on the line of credit were approximately $1.1 million, consisting entirely of letters of credit, with availability to borrow $38.9 million. We plan to repay any amounts borrowed under our line of credit in connection with the purchase of the shares in this Offer through cash received from our operations in the ordinary course of business.

We will utilize a portion of our existing cash in connection with the Offer and, as a result, will have reduced liquidity. However, we believe that, after the Offer is completed, our then-available cash, cash equivalents and short-term investments, cash flow from operations and access to capital will continue to provide us with adequate financial resources to meet our working capital requirements and to fund capital expenditures as well as to engage in strategic activities. This Offer is not subject to any financing condition.

Information About P.A.M. Transportation Services, Inc.

We are a truckload dry van carrier transporting general commodities throughout the continental United States, as well as in certain Canadian provinces. We also provide transportation services in Mexico under agreements with Mexican carriers. Our freight consists primarily of automotive parts, expedited goods, consumer goods, such as general retail store merchandise, and manufactured goods, such as heating and air conditioning units.

P.A.M. Transportation Services, Inc. is a holding company incorporated under the laws of the State of Delaware in June 1986. We conduct operations through the following wholly owned subsidiaries: P.A.M. Transport, Inc., T.T.X., LLC, P.A.M. Cartage Carriers, LLC, P.A.M. Logistics Services, Inc., Choctaw Express, LLC, Choctaw Brokerage, Inc., Transcend Logistics, Inc., Decker Transport Co., LLC, East Coast Transport and Logistics, LLC, S & L Logistics, Inc., and P.A.M. International, Inc. Our operating authorities are held by P.A.M. Transport, Inc., P.A.M. Cartage Carriers, LLC, Choctaw Express, LLC, Choctaw Brokerage, Inc., T.T.X., LLC, Decker Transport Co., LLC, and East Coast Transport and Logistics, LLC. Effective on January 1, 2010, the operations of most of the Company’s operating subsidiaries were consolidated under the P.A.M. Transport, Inc. name in an effort to more clearly reflect the Company’s scope and available service offerings.

We are headquartered and maintain our primary terminal and maintenance facilities and our corporate and administrative offices in Tontitown, Arkansas, which is located in northwest Arkansas, a major center for the trucking industry and where the support services (including warranty repair services) for most major truck and trailer equipment manufacturers are readily available.

Operations

Our operations can generally be classified into truckload services or brokerage and logistics services. Truckload services include those transportation services in which we utilize company owned trucks or owner-operator owned trucks for the pickup and delivery of freight. The brokerage and logistics services consist of services such as transportation scheduling, routing, mode selection, transloading and other value added services related to the transportation of freight which may or may not involve the use of company owned or owner-operator owned equipment. Both our truckload operations and our brokerage and logistics operations have similar economic characteristics and are impacted by virtually the same economic factors as discussed below and elsewhere in our reports filed with the SEC. All of the Company’s operations are in the motor carrier segment.

For both operations, substantially all of our revenue is generated by transporting freight for customers and is predominantly affected by the rates per mile received from our customers, equipment utilization, and our percentage of non-compensated miles. These aspects of our business are carefully managed and efforts are continuously underway to achieve favorable results. During the first three months of 2015 and the year ended December 31, 2014, truckload services operating revenues, before fuel surcharges represented 87.7% and 92.5% of total operating revenues, excluding fuel surcharges, respectively. The remaining revenues, excluding fuel surcharges, were generated from our brokerage and logistics services.

The main factors that impact our profitability on the expense side are costs incurred in transporting freight for our customers. Currently, our most challenging costs include fuel, driver recruitment, training, wage and benefit costs, independent broker costs (which we record as purchased transportation), insurance, and maintenance and capital equipment costs.

Our wide range of services includes expedited services, dedicated fleet services, logistics services, time-definite delivery, two-person driving teams, cross-docking and consolidation programs, specialized trailers, international services to Mexico and Canada, and Internet-based customer access to delivery status. These services allow us to quickly and reliably respond to the diverse needs of our customers, and provide an advantage in securing new business.

Revenue Equipment

On May 20, 2015, we operated a fleet of 1,828 trucks, which includes 405 owner-operator trucks, and 5,105 trailers. Our company-owned trucks are late model, well-maintained, premium trucks, which we believe help to attract and retain drivers, maximize fuel efficiency, promote safe operations, minimize maintenance and repair costs, and improve customer service by minimizing service interruptions caused by breakdowns. We evaluate our equipment purchasing decisions based on factors such as initial cost, useful life, warranty terms, expected maintenance costs, fuel economy, driver comfort, customer needs, manufacturer support, and resale value.

We contract with owner-operators to provide greater flexibility in responding to fluctuations in consumer demand. Owner-operators provide their own trucks and are contractually responsible for all associated expenses, including financing costs, fuel, maintenance, insurance, and taxes, among other things. They are also responsible for maintaining compliance with the Federal Motor Carrier Safety Administration regulations.

Employees

On May 20, 2015, we employed 3,056 persons, of whom 2,460 were drivers, 186 were maintenance personnel, 200 were employed in operations, 44 were employed in marketing, 99 were employed in safety and personnel, and 67 were employed in general administration and accounting. None of our employees is represented by a collective bargaining unit and we believe that our employee relations are good.

Where You Can Find More Information

We are subject to the informational filing requirements of the Exchange Act, and, accordingly, are obligated to file reports, statements and other information with the SEC relating to our business, financial condition and other matters. Information, as of particular dates, concerning directors and officers, their remuneration, options granted to them, the principal holders of our securities and any material interest of these persons in transactions with us is required to be disclosed in proxy statements distributed to our stockholders and filed with the SEC. We also have filed an Issuer Tender Offer Statement on Schedule TO with the SEC that includes additional information relating to the Offer.

These reports, statements and other information can be inspected and copied at the public reference facilities maintained by the SEC at 100 F Street, N.E., Room 1580, Washington, D.C. 20549. Copies of this material may also be obtained by mail, upon payment of the SEC’s customary charges, from the Public Reference Section of the SEC at 100 F Street, N.E., Washington, D.C. 20549. The SEC also maintains a web site on the Internet at http://www.sec.gov that contains reports, proxy and information statements and other information regarding registrants that file electronically with the SEC.

Incorporation by Reference

The rules of the SEC allow us to “incorporate by reference” information into this Offer to Purchase, which means that we can disclose important information to you by referring you to another document filed separately with the SEC. The Offer incorporates by reference the documents listed below, including the financial statements and the notes related thereto contained in those documents that have been previously filed with the SEC. These documents contain important information about us.

(a) Our Annual Report on Form 10-K for the year December 31, 2014, filed with the SEC on March 16, 2015.

(b) Our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015, filed with the SEC on April 29, 2015.

(d) Our Definitive Proxy Statement on Schedule 14A, dated March 24, 2015.

Any statement contained in a document incorporated by reference into this Offer to Purchase shall be deemed to be modified or superseded to the extent such statement is modified or superseded in this Offer to Purchase. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Offer to Purchase.

You can obtain any of the documents incorporated by reference in this Offer to Purchase from us or from the SEC’s web site at the address described above. Documents incorporated by reference are available from us without charge, excluding any exhibits to those documents. You may request a copy of these filings at no cost, by writing or calling us at:

P.A.M. Transportation Services, Inc.

297 West Henri De Tonti Blvd.

Tontitown, Arkansas 72770

Attn: Corporate Secretary

(479) 361-9111

Please be sure to include your complete name and address in your request. If you request any incorporated documents, we will mail them to you by first class mail, or another equally prompt means, within one business day after we receive your request. You can find additional information by visiting our website at: http://www.pamt.com. Information contained on our website is not part of, and is not incorporated into, this Offer.

10.

Interest of Directors and Executive Officers; Transactions and Arrangements Concerning the Shares

As of May 20, 2015, there are 7,428,340 shares of our common stock issued and outstanding. The 80,000 shares we are offering to purchase under the Offer represent approximately 1.1% of the total number of issued shares as of May 20, 2015.

As of May 20, 2015, Matthew T. Moroun, the Chairman of our Board of Directors, beneficially owns 4,332,052 shares, or approximately 58.22% of the total number of outstanding shares of our common stock, and our directors and executive officers as a group, including Mr. Moroun (nine persons), beneficially own an aggregate of 4,419,597 shares, or approximately 59.15% of the total outstanding shares. Mr. Moroun has advised us that, although no final decision has been made, he or the Moroun Trust, of which he is a co-trustee and a beneficiary, may tender up to a total of 230,000 shares that they beneficially own in the Offer. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised us that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. Our other directors and executive officers have advised us that they do not intend to tender any of their shares in the Offer. As a result, if no shares are tendered by Mr. Moroun or the Moroun Trust, Mr. Moroun’s proportional holdings will increase to approximately 58.86% and the proportional holdings of our directors and executive officers as a group will increase to approximately 59.79% of the total number of outstanding shares as of May 20, 2015, assuming that we purchase 80,000 shares in the Offer. If Mr. Moroun and the Moroun Trust tender an aggregate of 230,000 shares, Mr. Cushman tenders 14,800 shares, Mr. Davis tenders 10,000 shares, we receive no tenders from other stockholders, and we purchase 80,000 shares in the Offer, Mr. Moroun’s proportional holdings will decrease to approximately 57.88% and the proportional holdings of our directors and executive officers as a group will decrease to approximately 58.71% of the total number of outstanding shares as of May 20, 2015.

However, after termination of the Offer, our directors and executive officers, including Mr. Moroun, may, in compliance with applicable law, sell their shares in open market transactions at prices that may or may not be more favorable than the purchase price to be paid to our stockholders in the Offer.

As of February 5, 2015, Dimension Fund Advisors LP is the only beneficial owner, other than Matthew T. Moroun, known to us to hold more than 5% of our common stock, beneficially owning shares which in the aggregate represent approximately 8.94% of the total number of outstanding shares. We have no information as to whether this entity will participate in the Offer. Assuming we purchase 80,000 shares in the Offer, and that Dimension Fund Advisors LP does not tender any shares in the Offer, the aggregate percentage beneficial ownership of Dimension Fund Advisors LP would be approximately 9.03%.

The table below provides the aggregate number and percentage of shares of our common stock that are beneficially owned as of May 20, 2015, by Dimension Fund Advisors LP, each of our current directors and named executive officers, and our directors and named executive officers as a group. The percentage beneficial ownership of each such beneficial owner as of May 20, 2015, after giving effect to the Offer, appears in the last column of the table, assuming we purchase 80,000 shares in the Offer and the person listed does not tender any shares in the Offer. Unless otherwise indicated, the address of each stockholder, director, or officer listed in the table below is c/o P.A.M. Transportation Services, Inc., 297 West Henri De Tonti Blvd., Tontitown, Arkansas 72770.

	Prior to the Offer					After the Offer
Name or Group of Beneficial Owner	Shares Beneficially Owned (1)		Percent of Class (2)			Percent of Class (2)(3)
5% Stockholders:
Dimensional Fund Advisors LP (4)		663,864		8.94	%		9.03	%
Directors and Named Executive Officers:
Frederick P. Calderone		679			*			*
Daniel H. Cushman (5)		16,800			*			*
W. Scott Davis (6)		28,179			*			*
Norman E. Harned		679			*			*
Franklin McLarty		175		--			--
Matthew T. Moroun (7)		4,332,052		58.22	%		58.86	%
Manuel J. Moroun (8)		16,679			*			*
Daniel C. Sullivan		23,679			*			*
Allen West (9)		675			*			*
Directors and named executive officers as a group		4,419,597		59.15	%		59.79	%

	*	Denotes less than one percent.

	(1)	The number of shares beneficially owned includes any shares over which the person has sole or shared voting power or investment power and also any shares that the person can acquire within 60 days of May 20, 2015 through the exercise of any stock option or other right. Unless otherwise indicated, each person has sole investment and voting power (or shares such power with his spouse) over the shares set forth in the table. Includes shares that may be acquired pursuant to stock options granted under our stock option plan that are currently exercisable or become exercisable within 60 days of May 20, 2015.

	(2)	The percentages shown are based on the 7,428,340 shares of our common stock outstanding as of May 20, 2015, plus the number of shares that the named person or group has the right to acquire within 60 days of May 20, 2015. For purposes of computing the percentage of outstanding shares of common stock held by each person or group, any shares the person or group has the right to acquire within 60 days of May 20, 2015, are deemed to be outstanding with respect to such person or group, but are not deemed to be outstanding for the purpose of computing the percentage of ownership of any other person or group.

	(3)	Assumes that 80,000 shares are purchased in the Offer and no shares are tendered by the listed person or group. If Matthew T. Moroun and the Moroun Trust tender an aggregate of 230,000 shares, Mr. Cushman tenders 14,800 shares, Mr. Davis tenders 10,000 shares and no other shares are tendered, the percent of our total outstanding shares of common stock beneficially owned after the Offer by Mr. Moroun and by our directors and executive officers as a group would be approximately 57.88% and 58.71%, respectively, assuming that we purchase a total of 80,000 shares in the Offer.

	(4)	Based upon a Schedule 13G amendment, dated February 5, 2015, filed by Dimensional Fund Advisors LP, a Delaware Limited Partnership, which indicates that as of December 31, 2014, Dimensional Fund Advisors LP had the sole power to dispose of 663,864 shares as an investment advisor or manager to investment companies, trusts and separate accounts that own the 663,864 shares. The address of Dimensional Fund Advisors LP is Palisades West, Building One, 6300 Bee Cave Road, Austin, Texas 78746. We make no representation as to the accuracy or completeness of the information reported.

	(5)	Includes 13,800 shares which may be acquired upon exercise of options exercisable within 60 days of May 20, 2015.

	(6)	Includes 2,500 shares held in trusts for Mr. Davis’ children, for which Mr. Davis serves as trustee, and 5,000 shares which may be acquired upon exercise of options exercisable within 60 days of May 20, 2015.

	(7)	Includes 1,228,052 shares owned directly, 12,000 shares which may be acquired upon exercise of options exercisable within 60 days of May 20, 2015, and 3,092,000 shares held in a trust of which Mr. Matthew Moroun is a co-trustee and a beneficiary (the “Moroun Trust”). Mr. Hal M. Briand is co-trustee with Mr. Matthew Moroun of the Moroun Trust and may therefore also be deemed to beneficially own the shares held by the Moroun Trust. The business address of each of Messrs. Moroun and Briand is 12225 Stephens Road, Warren, Michigan 48091.

	(8)	Includes 12,000 shares which may be acquired upon exercise of options exercisable within 60 days of May 20, 2015, but does not include the 4,332,052 shares shown in the table as being beneficially owned by Mr. Manuel Moroun’s son, Mr. Matthew Moroun.

	(9)	Includes 425 shares which may be acquired upon exercise of options exercisable within 60 days of May 20, 2015.

Stock Option and Incentive Plan

In 2006, the Board of Directors adopted and our stockholders approved the 2006 Stock Option Plan (the “2006 Plan”). Under the 2006 Plan, 750,000 shares were reserved for the issuance of incentive stock options and non-qualified stock options to directors, officers, key employees, and others. On March 13, 2014, the Board of Directors adopted, and on May 29, 2014, our stockholders approved the 2014 Amended and Restated Stock Option and Incentive Plan (the “Restated Plan”) which replaced the 2006 Plan. The amendment and restatement of the 2006 Plan related primarily to the inclusion of additional types of awards under the Restated Plan, the removal of automatic annual stock option grants to our non-employee directors, and the extension of the term of the plan. The Restated Plan will expire on March 13, 2024. The shares which remained reserved under the 2006 Plan were carried forward to the Restated Plan and are reserved for the issuance of stock options, restricted stock bonuses, restricted stock purchase rights, stock appreciation rights, phantom stock units, restricted stock units, and unrestricted common stock, to our employees, directors and consultants. Under the terms of the Restated Plan, non-qualified stock options and restricted stock purchase rights may be granted with an exercise price of not less than 85% of the market price of the shares subject to the option on the day the option is granted. Incentive stock options must have an exercise price of not less than 100% of the market price of the shares subject to the option on the day the option is granted, except that an incentive stock option granted to a 10% stockholder must have an option exercise price of not less than 110% of the market price on the day the option is granted. Options may be exercised in whole or in part by the optionee, but in no event later than ten years from the date of the grant. Any incentive stock option granted under the Restated Plan to a 10% stockholder may not be exercised more than five years after the date of grant. The 2006 Plan also provided for each of our non-employee directors to receive, without any action by the Board of Directors or the compensation committee, an annual option to purchase 2,000 shares of common stock. In 2012 and 2013, our non-employee directors received options to purchase 5,000 shares. Each option granted to a non-employee director is exercisable from the date of grant until the fifth anniversary of the date of grant, unless earlier terminated in accordance with the provisions of the Restated Plan. In 2014 and 2015, we issued 504 unrestricted shares and 175 unrestricted shares, respectively of our common stock to each of our non-employee directors in lieu of stock options. In 2014, we issued 5,000 and 1,250 shares of our restricted stock to our Chief Executive Officer and our Chief Financial Officer, respectively. As of May 20, 2015, an aggregate of 449,799 shares of common stock are reserved for issuance under the Restated Plan, of which 359,851 shares remain available for grant.

Employment Agreements

We entered into an employment agreement with our President and Chief Executive Officer, Daniel H. Cushman, on July 13, 2009. Under the terms of the agreement, Mr. Cushman currently earns an annual salary of $470,000. At the beginning of his employment, he received a bonus of $55,000 to be used at his discretion toward expenses for his relocation to Tontitown, Arkansas, and the sale of his home in Nebraska. In addition, we agreed to reimburse Mr. Cushman for up to $1,800 per month for up to eighteen months from the beginning of his employment with the Company for temporary living expenses.

We currently do not have a written employment agreement with our Vice President of Finance, Chief Financial Officer, Secretary and Treasurer, Allen West. Mr. West currently earns an annual salary of $285,000.

Potential Payments Upon Termination or Change In Control

Generally, employment agreements that we enter into with any of our executive officers provide for payments that may be made to the executive officers following termination of their employment. These potential payments for any employment agreement currently in effect are discussed below. We do not have any agreements or plans that provide for payments to any of our executive officers based on the occurrence of a change in control of PTSI.

No Payments If There Is a Termination for Just Cause. In the event that one of our executive officers is terminated for just cause, including conviction of a crime, moral turpitude, gross negligence in the performance of duties, intentional failure to perform duties, insubordination, or dishonesty, we would have no obligation to pay base salary or benefits beyond the last day worked.

Payments Upon Death. In the event of the death of one of our executive officers, we would pay the executive officer the base salary through the date of death.

Payments Upon Disability. In the event that an executive officer becomes disabled and is unable to perform their duties, we may terminate their employment. If Mr. Cushman’s employment is terminated due to disability, then he is entitled to receive his base salary and benefits for six months following the termination of his employment.

Payments Upon Termination Based on Our Best Interest. In the event that an executive officer is terminated by our Board of Directors based upon a determination that such action would serve the Company’s best interest, we would generally have no obligation to pay base salary or benefits beyond the last day worked. However, Mr. Cushman would be entitled to receive his base salary and benefits for a period of six months following the termination of his employment, unless the Board of Directors elects to extend his covenant not to compete for one year, in which case he will be entitled to receive his base salary and benefits for a period of 12 months.

Payments Upon Resignation, Including Retirement. Mr. Cushman has the right to resign by providing three months written notice of his intent to resign. In the event of such a resignation and with the required three months notice, Mr. Cushman would be entitled to receive his base salary and benefits through the end of the three-month notice period. We may terminate his employment before the end of the three-month notice period.

Obligations of Executive Officers. Under his employment agreement, Mr. Cushman has agreed not to compete with, or solicit or retain business that is competitive with, our business, or that of specified affiliates of our directors, Mr. Manuel Moroun and Mr. Matthew Moroun, for one year after his employment with us terminates. Mr. Cushman has an additional condition that in the event he is terminated because such termination is in the best interest of the Company, the duration of his covenant not to compete is for six months, unless the Board of Directors elects to extend his covenant not to compete for one year, in which case he will be entitled to receive his base salary and benefits for a period of 12 months. Mr. Cushman has also agreed that he will not at any time encourage, solicit or otherwise attempt to persuade any of our employees or any employees of the specified affiliates to leave our employment or employment with the specified affiliates. If Mr. Cushman were to hire from us one of our employees, he has agreed to pay us 30% of the employee’s first year’s gross compensation. Under the employment agreement, Mr. Cushman has also agreed to maintain the confidentiality of our proprietary information.

Stock Options and Restricted Stock. Messrs. Cushman and West each holds options to acquire shares of our common stock that were granted under our 2006 Stock Option Plan. In general, stock options granted under the 2006 Stock Option Plan that are vested may be exercised within three months after termination of employment without cause. However, if the executive’s employment terminates due to death or disability, earned shares and vested shares may be exercised within one year after the date of termination, but not later than the expiration date of the option. In November 2014, Messrs. Cushman and West each received restricted shares of our common stock, which vest in five equal installments, with the first 20% vesting immediately on the grant date and the remainder to vest 20% annually beginning on the first anniversary of the grant date. In general, the unvested shares are forfeited at the time of termination. However, if the executive’s termination is without cause or is due to death, disability or retirement upon or after reaching age 65, all unvested shares of restricted stock held by the executive at the time of his termination would immediately become fully vested.

Recent Securities Transactions

Based on our records and on information provided to us by our directors, executive officers, affiliates, and subsidiaries, neither we nor any of our affiliates, subsidiaries, directors, or executive officers have effected any transactions involving shares of our common stock during the 60 days prior to May 20, 2015, except on March 31, 2015, we issued 175 unrestricted shares of our common stock to each of our non-employee directors (an aggregate of 1,225 shares) as part of each director’s annual retainer.

11.

Effects of the Tender Offer on the Market for Shares; Registration under the Exchange Act

The purchase by us of shares under the Offer will reduce the number of shares that might otherwise be traded publicly and is likely to reduce the number of stockholders. As a result, trading of a relatively small volume of the shares after consummation of the Offer may have a greater impact on trading prices than would be the case prior to consummation of the Offer.

We believe that there will be a sufficient number of shares outstanding and publicly traded following completion of the Offer to ensure a continued trading market for the shares. Based upon published guidelines of NASDAQ, we do not believe that our purchase of shares under the Offer will cause the remaining outstanding shares to be delisted from NASDAQ. The Offer is conditioned upon there not being any reasonable likelihood, in our reasonable judgment, that the consummation of the Offer and the purchase of shares will cause the shares to be subject to delisting from NASDAQ. See Section 6.

The shares are currently “margin securities” under the rules of the Federal Reserve Board. This has the effect, among other things, of allowing brokers to extend credit to their customers using such shares as collateral. We believe that, following the purchase of shares under the Offer, the shares will continue to be “margin securities” for purposes of the Federal Reserve Board’s margin rules and regulations.

The shares are registered under the Exchange Act, which requires, among other things, that we furnish certain information to our stockholders and the Commission and comply with the Commission’s proxy rules in connection with meetings of our stockholders. The Company currently meets the eligibility requirements for deregistration of the shares under the Exchange Act due to our having fewer than 300 holders of record of our common stock. Our shares will continue to be eligible for deregistration under the Exchange Act following our purchase of shares under the Offer. However, we have no present plans to terminate the registration of the shares under the Exchange Act or to discontinue complying with the Commission’s proxy rules and other requirements to furnish information to our stockholders, and we do not anticipate any such plans in the foreseeable future.

12.

Legal Matters; Regulatory Approvals

We are not aware of any license or regulatory permit that is material to our business that might be adversely affected by our acquisition of shares as contemplated by the Offer or of any approval or other action by any domestic, foreign or supranational government or governmental, administrative or regulatory authority or agency that would be required for the acquisition or ownership of shares by us as contemplated by the Offer that is material to the success of the Offer. Should any such approval or other action be required, we presently contemplate that we will seek that approval or other action if practicable within the time period contemplated by the Offer. We are unable to predict whether we will be required to delay the acceptance of or payment for shares tendered under the Offer pending the outcome of any such matter. There can be no assurance that any such approval or other action, if needed, would be obtained or would be obtained without substantial cost or conditions or that the failure to obtain the approval or other action might not result in adverse consequences to our business and financial condition. Our obligations under the Offer to accept for payment and pay for shares is subject to conditions. See Section 6.

13.

Certain Material U.S. Federal Income Tax Consequences of the Offer to U.S. Holders.

The following summary describes certain material U.S. federal income tax consequences relevant to the Offer for U.S. Holders (as defined below). This discussion is based upon the Code, existing and proposed Treasury Regulations, administrative pronouncements and judicial decisions, changes to which could materially affect the tax consequences described herein and could be made on a retroactive basis.

This discussion deals only with shares held as capital assets and does not deal with all tax consequences that may be relevant to all categories of holders (such as dealers in securities or commodities, traders in securities that elect to mark their holdings to market, financial institutions, regulated investment companies, real estate investment trusts, holders whose functional currency is not the U.S. dollar, insurance companies, pass-through entities, tax-exempt organizations, certain former citizens or long-term residents of the United States, holders who hold shares that constitute qualified small business stock within the meaning of Section 1202 of the Code or holders who hold shares as part of a hedging, integrated, conversion or constructive sale transaction or as a position in a straddle). In particular, different rules may apply to shares acquired as compensation (including shares acquired upon the exercise of employee stock options or otherwise as compensation). This discussion does not address the application of the alternative minimum tax or the state, local or non-U.S. tax consequences of participating in the Offer. Holders of shares should consult their tax advisors as to the particular consequences to them of participation in the Offer, nor does it address any tax consequences arising under the unearned income Medicare contribution tax pursuant to the Health Care and Education Reconciliation Act of 2010.

As used herein, a “U.S. Holder” means a beneficial holder of shares that is for U.S. federal income tax purposes: (a) an individual citizen or resident of the United States, (b) a corporation (or other entity treated as a corporation for U.S. federal income tax purposes) created or organized in or under the laws of the United States, any state thereof or the District of Columbia, (c) an estate the income of which is subject to U.S. federal income taxation regardless of its source, or (d) a trust if (i) a court within the United States can exercise primary supervision of the trust’s administration and one or more U.S. persons have the authority to control all substantial decisions of the trust or (ii) it has a valid election in effect under applicable regulations to be treated as a U.S. person.

If a partnership (including for this purpose any entity or arrangement, domestic or foreign, treated as a partnership for U.S. federal income tax purposes) beneficially owns shares, the tax treatment of a partner generally will depend upon the status of the partner and the activities of the partnership. Beneficial owners that are partnerships, and partners in such partnership, should consult their own tax advisors.

Holders of shares that are not U.S. Holders should consult their tax advisors regarding the U.S. federal income tax consequences and any applicable foreign tax consequences of the Offer and also should see Section 3 for a discussion of the applicable U.S. withholding and information reporting rules and the potential for obtaining a refund of all or a portion of any tax withheld.

Exchange of Shares Pursuant to the Offer. An exchange of shares for cash pursuant to the Offer will be a taxable transaction for U.S. federal income tax purposes. A U.S. Holder that participates in the Offer will be treated, depending on such U.S. Holder’s particular circumstances, either as recognizing gain or loss from the disposition of the shares or as receiving a dividend distribution from us.

Under Section 302 of the Code, a U.S. Holder will recognize gain or loss on an exchange of shares for cash if the exchange (a) results in a “complete termination” of all such U.S. Holder’s equity interest in us, (b) results in a “substantially disproportionate” redemption with respect to such U.S. Holder, or (c) is “not essentially equivalent to a dividend” with respect to the U.S. Holder (the “Section 302 tests”). In applying the Section 302 tests, a U.S. Holder must take into account shares that such U.S. Holder constructively owns under certain attribution rules, pursuant to which the U.S. Holder will be treated as owning shares owned by certain family members (except that in the case of a “complete termination” a U.S. Holder may waive, under certain circumstances, attribution from family members) and related entities and shares that the U.S. Holder has the right to acquire by exercise of an option. An exchange of shares for cash will be a substantially disproportionate redemption with respect to a U.S. Holder if the percentage of the then-outstanding shares owned by such U.S. Holder in us immediately after the exchange is less than 80% of the percentage of the shares owned by such U.S. Holder in us immediately before the exchange. If an exchange of shares for cash fails to satisfy the “substantially disproportionate” test, the U.S. Holder nonetheless may satisfy the “not essentially equivalent to a dividend” test. An exchange of shares for cash will satisfy the “not essentially equivalent to a dividend” test if it results in a “meaningful reduction” of the U.S. Holder’s equity interest in us. An exchange of shares for cash that results in any reduction of the proportionate equity interest in us of a U.S. Holder with a relative equity interest in us that is minimal and that does not exercise any control over or participate in the management of our corporate affairs should be treated as “not essentially equivalent to a dividend.” U.S. Holders should consult their tax advisors regarding the application of the rules of Section 302 in their particular circumstances.

If a U.S. Holder is treated as recognizing gain or loss from the disposition of the shares for cash, such gain or loss will be equal to the difference between the amount of cash received and such U.S. Holder’s tax basis in the shares exchanged therefor. Any such gain or loss will be capital gain or loss and will be long-term capital gain or loss if the holding period of the shares exceeds one year as of the date of the exchange. Long-term capital gains of non-corporate U.S. Holders are taxed at preferential rates. Capital losses are subject to limitations on their use.

If a U.S. Holder is not treated under the Section 302 tests as recognizing gain or loss on an exchange of shares for cash, the entire amount of cash received by such U.S. Holder pursuant to the exchange will be treated as a dividend to the extent of the portion of our current and accumulated earnings and profits allocable to such shares. Provided certain holding period requirements are satisfied, non-corporate holders generally will be subject to U.S. federal income tax on amounts treated as dividends at the same preferential rate applicable to long-term capital gains, without reduction for the tax basis of the shares exchanged. To the extent that cash received in exchange for shares is treated as a dividend to a corporate U.S. Holder, (a) it generally will be eligible for a dividends-received deduction (subject to certain requirements and limitations) and (b) it generally will be subject to the “extraordinary dividend” provisions of the Code. Corporate U.S. Holders should consult their tax advisors concerning the availability of the dividends-received deduction and the application of the “extraordinary dividend” provisions of the Code in their particular circumstances.

To the extent that amounts received pursuant to the Offer exceed a U.S. Holder’s allocable share of our current and accumulated earnings and profits, the distribution will first be treated as a non-taxable return of capital, causing a reduction in the tax basis of such U.S. Holder’s shares, and any amounts in excess of the U.S. Holder’s tax basis will constitute capital gain. Any remaining tax basis in the shares tendered will be transferred to any remaining shares held by such U.S. Holder.

We cannot predict whether or the extent to which the Offer will be oversubscribed. If the Offer is oversubscribed, proration of tenders pursuant to the Offer will cause us to accept fewer shares than are tendered. Therefore, a U.S. Holder can be given no assurance that a sufficient number of such U.S. Holder’s shares will be purchased pursuant to the Offer to ensure that such purchase will be treated as a sale or exchange, rather than as a dividend, for U.S. federal income tax purposes pursuant to the rules discussed above.

Any U.S. Holder that, immediately before the exchange of our shares for cash pursuant to the Offer, owned at least 5% (by vote or value) of our total outstanding shares must include a statement on or with such holder’s tax return for the taxable year of the exchange indicating the fair market value and basis of the shares transferred and the amount of cash received pursuant to the Offer.

See Section 3 with respect to the application of U.S. withholding, backup withholding and information reporting.

THE U.S. FEDERAL INCOME TAX DISCUSSION SET FORTH ABOVE MAY NOT BE APPLICABLE DEPENDING UPON A HOLDER’S PARTICULAR SITUATION. HOLDERS SHOULD CONSULT THEIR OWN TAX ADVISORS CONCERNING THE TAX IMPLICATIONS OF THE OFFER UNDER APPLICABLE FEDERAL, STATE OR LOCAL LAWS. FOREIGN STOCKHOLDERS SHOULD ALSO CONSULT THEIR OWN TAX ADVISORS REGARDING THE TAX CONSEQUENCES UNIQUE TO HOLDERS WHO ARE NOT U.S. PERSONS.

14.

Extension of the Tender Offer; Termination; Amendment

We expressly reserve the right, in our sole discretion, at any time prior to the Expiration Time and from time to time, and regardless of whether or not any of the events set forth in Section 6 shall have occurred or shall be deemed by us to have occurred, to extend the period of time during which the Offer is open and thereby delay acceptance of, and payment for, any shares by giving oral or written notice of such extension to the Depositary and making a public announcement of such extension. We also expressly reserve the right, in our sole discretion, if any of the conditions set forth in Section 6 has occurred or is deemed by us to have occurred, to terminate the Offer and reject for payment and not pay for any shares not theretofore accepted for payment or paid for or, subject to applicable law, to postpone payment for shares by giving oral or written notice of such termination or postponement to the Depositary and making a public announcement of such termination or postponement. Our reservation of the right to delay payment for shares which we have accepted for payment is limited by Rule 13e-4(f)(5) promulgated under the Exchange Act, which requires that we must pay the consideration offered or return the shares tendered promptly after termination or withdrawal of a tender offer. Subject to compliance with applicable law, we further reserve the right, in our sole discretion, and regardless of whether any of the events set forth in Section 6 shall have occurred or shall be deemed by us to have occurred, to amend the Offer in any respect, including, without limitation, by decreasing or increasing the consideration offered in the Offer to holders of shares or by decreasing or increasing the number of shares being sought in the Offer. Amendments to the Offer may be made at any time and from time to time effected by public announcement, such announcement, in the case of an extension, to be issued no later than 9:00 a.m., Eastern Time, on the next business day after the last previously scheduled or announced Expiration Time. Any public announcement made under the Offer will be disseminated promptly to stockholders in a manner reasonably designed to inform stockholders of such change. Without limiting the manner in which we may choose to make a public announcement, except as required by applicable law, we shall have no obligation to publish, advertise or otherwise communicate any such public announcement other than by making a release through Globe Newswire or another comparable service. In addition, we would file such press release as an exhibit to the Schedule TO.

If we materially change the terms of the Offer or the information concerning the Offer, we will extend the Offer to the extent required by Rules 13e-4(d)(2), 13e-4(e)(3) and 13e-4(f)(1) promulgated under the Exchange Act. These rules and certain related releases and interpretations of the Commission provide that the minimum period during which a tender offer must remain open following material changes in the terms of the Offer or information concerning the Offer (other than a change in price or a change in percentage of securities sought) will depend on the facts and circumstances, including the relative materiality of such terms or information; however, in no event will the Offer remain open for fewer than five business days following such a material change in the terms of, or information concerning, the Offer. If (1)(a) we increase or decrease the price to be paid for shares beyond the range, (b) decrease the number of shares being sought in the Offer, or (c) increase the number of shares being sought in the Offer by more than 2% of our outstanding shares (or approximately 148,566 additional shares) and (2) the Offer is scheduled to expire at any time earlier than the expiration of a period ending on the tenth business day from, and including, the date that such notice of an increase or decrease is first published, sent or given to stockholders in the manner specified in this Section 14, the Offer will be extended until the expiration of such period of ten business days.

15.

Fees and Expenses

We have retained Georgeson Inc. to act as Information Agent and Computershare Trust Company, N.A. to act as Depositary in connection with the Offer. The Information Agent may contact holders of shares by mail, facsimile and personal interviews and may request brokers, dealers and other nominee stockholders to forward materials relating to the Offer to beneficial owners. The Information Agent and the Depositary will each receive reasonable and customary compensation for their respective services, will be reimbursed by us for reasonable out-of-pocket expenses and will be indemnified against certain liabilities in connection with the Offer, including certain liabilities under the federal securities laws.

We will not pay any fees or commissions to brokers, dealers or other persons (other than fees to the Information Agent as described above) for soliciting tenders of shares pursuant to the Offer. Stockholders holding shares through brokers or banks are urged to consult the brokers or banks to determine whether transaction costs may apply if stockholders tender shares through the brokers or banks and not directly to the Depositary. We will, however, upon request, reimburse brokers, dealers and commercial banks for customary mailing and handling expenses incurred by them in forwarding the Offer and related materials to the beneficial owners of shares held by them as a nominee or in a fiduciary capacity. No broker, dealer, commercial bank or trust company has been authorized to act as our agent or the agent of the Information Agent or the Depositary for purposes of the Offer. We will pay or cause to be paid all stock transfer taxes, if any, on our purchase of shares, except as otherwise provided in Instruction 7 in the Letter of Transmittal.

16.

Miscellaneous

Pursuant to Rule 13e-4(c)(2) under the Exchange Act, we have filed with the Commission an Issuer Tender Offer Statement on Schedule TO, which contains additional information with respect to the Offer. The Schedule TO, including the exhibits and any amendments and supplements thereto, may be examined, and copies may be obtained, at the same places and in the same manner as is set forth in Section 9 with respect to information concerning us.

This Offer to Purchase and accompanying Letter of Transmittal do not constitute an offer to purchase securities in any jurisdiction in which such offer is not permitted or would not be permitted. If we become aware of any jurisdiction where the making of the Offer or the acceptance of shares pursuant thereto is not in compliance with applicable law, we will make a good faith effort to comply with the applicable law where practicable. If, after such good faith effort, we cannot comply with the applicable law, the Offer will not be made to (nor will tenders be accepted from or on behalf of) the holders of shares in such jurisdiction.

You should only rely on the information contained in this Offer to Purchase or to which we have referred to you. We have not authorized any person to make any recommendation on behalf of us as to whether you should tender or refrain from tendering your shares in the Offer. We have not authorized any person to give any information or to make any representation in connection with the Offer other than those contained in this Offer to the Purchase or in the related Letter of Transmittal. If given or made, any recommendation or any such information or representation must not be relied upon as having been authorized by us, the Depositary or the Information Agent.

May 22, 2015

The Letter of Transmittal, certificates for shares and any other required documents should be sent or delivered by each stockholder of the Company or his or her broker, dealer, commercial bank, trust company or other nominee to the Depositary as follows:

The Depositary for the Offer is:

Computershare Trust Company, N.A.

By First Class Mail:	By Registered Mail or Overnight Courier:

Computershare Trust Company, N.A.	Computershare Trust Company, N.A.
Attn: Corporate Actions	Attn: Corporate Actions
P.O. Box 43011	250 Royall St., Suite V
Providence, Rhode Island 02940-3011	Canton, Massachusetts 02021

Delivery of the letter of transmittal to an address other than as set forth above will not constitute a valid delivery to the Depositary.

Questions and requests for assistance or for additional copies of this Offer to Purchase, the Letter of Transmittal and the Notice of Guaranteed Delivery may be directed to the Information Agent at the telephone number and location listed below. You may also contact your broker, dealer, commercial bank, trust company or other nominee for assistance concerning the Offer.

The Information Agent for the Offer is:

480 Washington Boulevard, 26^th Floor

Jersey City, NJ 07310

Banks, Brokers and Shareholders Call Toll-Free: (800) 676-0098

Exhibit (a)(1)(B)

Letter of Transmittal

To Tender Shares of Common Stock

Pursuant to the Offer to Purchase for Cash

Dated May 22, 2015

P.A.M. TRANSPORTATION SERVICES, INC.

Up to 80,000 shares of its Common Stock

at a Purchase Price Not Greater Than $63.00 nor Less Than $59.00 Per Share

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

AT 12:00 Midnight, EASTERN TIME, ON JUNE 22, 2015,

UNLESS THE OFFER IS EXTENDED.

By Fist Class Mail:	By Registered Mail or Overnight Courier:

Computershare Trust Company, N.A.	Computershare Trust Company, N.A.
Attn: Corporate Actions Voluntary Officer	Attn: Corporate Actions Voluntary Officer
P.O. Box 40311	250 Royall St, Suite V
Providence RI 02940-3011	Canton MA 02021

Delivery of this Letter of Transmittal to an address other than as set forth above does not constitute a valid delivery.

The instructions set forth in this Letter of Transmittal should be read carefully before this Letter of Transmittal is completed.

DESCRIPTION OF SHARES TENDERED

(See Instructions 3 and 4)

Name(s) and Address of Registered Holder(s) If there is any error in the name or address shown below, please make the necessary corrections	Shares of Common Stock Tendered (Attach Additional Signed List if Necessary)
	Certificate Number(s)*	Total Number of Shares Represented by Certificate(s)*	Number of Shares Tendered**

Need not be completed if shares are tendered by book-entry transfer.

Unless otherwise indicated, it will be assumed that all shares described above are being tendered. See Instruction 4.

Indicate below the order (by certificate number) in which shares are to be purchased in the event of proration (attach additional signed list if necessary). If you do not designate an order, if less than all shares tendered are purchased due to proration, shares will be selected for purchase by the Depositary. See Instruction 13.

1st:

2nd:

3rd:

4th:

¨ Lost Certificates. I have lost my certificate(s) for shares and require assistance in replacing the shares. (See Instruction 12).

THE UNDERSIGNED TENDERS ALL UNCERTIFICATED SHARES THAT MAY BE HELD IN THE NAME OF THE REGISTERED HOLDER(S) BY THE COMPANY’S TRANSFER AGENT

¨ YES ¨ NO

This Letter of Transmittal is to be used either if certificates for shares (as defined below) are to be forwarded herewith or, unless an agent’s message (as defined in Section 3 of the Offer to Purchase (as defined below)) is utilized, if delivery of shares is to be made by book-entry transfer to an account maintained by the Depositary (as defined below) at the book-entry transfer facility (as defined in Section 3 of the Offer to Purchase) pursuant to the procedures set forth in Section 3 of the Offer to Purchase. Tendering stockholders whose certificates for shares are not immediately available or who cannot deliver either the certificates for, or a book-entry confirmation (as defined in Section 3 of the Offer to Purchase) with respect to, their shares and all other documents required hereby to the Depositary prior to the Expiration Time (as defined in Section 1 of the Offer to Purchase) must tender their shares in accordance with the guaranteed delivery procedures set forth in Section 3 of the Offer to Purchase. See Instruction 2.

Your attention is directed in particular to the following:

1. If you want to retain your shares, you do not need to take any action.

2. If you want to participate in the Offer (as defined below) and wish to maximize the chance of having the Company (as defined below) accept for payment all the shares you are tendering hereby, you should check the box marked “Shares Tendered at Price Determined Under the Offer” below and complete the other portions of this Letter of Transmittal as appropriate. If you agree to accept the purchase price determined in the Offer, your shares will be deemed to be tendered at the minimum price of $59.00 per share.

3. If you wish to select a specific price at which you will be tendering your shares, you should select one of the boxes in the section captioned “Shares Tendered at Price Determined by Stockholder” below and complete the other portions of this Letter of Transmittal as appropriate.

DELIVERY OF DOCUMENTS TO THE BOOK-ENTRY TRANSFER FACILITY DOES NOT CONSTITUTE DELIVERY TO THE DEPOSITARY.

CHECK HERE IF TENDERED SHARES ARE BEING DELIVERED BY BOOK-ENTRY TRANSFER MADE TO AN ACCOUNT MAINTAINED BY THE DEPOSITARY WITH THE BOOK-ENTRY TRANSFER FACILITY AND COMPLETE THE FOLLOWING (ONLY PARTICIPANTS IN THE BOOK-ENTRY TRANSFER FACILITY MAY DELIVER SHARES BY BOOK-ENTRY TRANSFER):

Name of Tendering Institution:

Account Number:

Transaction Code Number:

CHECK HERE IF TENDERED SHARES ARE BEING DELIVERED PURSUANT TO A NOTICE OF GUARANTEED DELIVERY PREVIOUSLY SENT TO THE DEPOSITARY. ENCLOSE A PHOTO-COPY OF THE NOTICE OF GUARANTEED DELIVERY AND COMPLETE THE FOLLOWING:

Name(s) of Registered Owners(s):

Date of Execution of Notice of Guaranteed Delivery:

Name of Institution that Guaranteed Delivery:

If delivered by book-entry transfer, check box: ¨

THE UNDERSIGNED IS TENDERING SHARES AS FOLLOWS (CHECK ONLY ONE BOX):

(1)

SHARES TENDERED AT PRICE DETERMINED BY STOCKHOLDER (SEE INSTRUCTION 5)

By checking ONE of the following boxes below INSTEAD OF THE BOX BELOW UNDER “(2) Shares Tendered at Price Determined Under the Offer,” the undersigned hereby tenders shares at the price checked. This action could result in none of the shares being purchased if the purchase price determined by the Company for the shares is less than the price checked below. A STOCKHOLDER WHO DESIRES TO TENDER SHARES AT MORE THAN ONE PRICE MUST COMPLETE A SEPARATE LETTER OF TRANSMITTAL FOR EACH PRICE AT WHICH SHARES ARE TENDERED. The same shares cannot be tendered, unless previously properly withdrawn as provided in Section 4 of the Offer to Purchase, at more than one price.

PRICE (IN DOLLARS) PER SHARE AT WHICH SHARES

ARE BEING TENDERED

¨ $59.00	¨ $61.00	¨ $63.00

¨ $60.00	¨ $62.00

(2)

SHARES TENDERED AT PRICE DETERMINED UNDER THE OFFER (SEE INSTRUCTION 5)

By checking the box below INSTEAD OF ONE OF THE BOXES ABOVE UNDER “(1) Shares Tendered at Price Determined by Stockholder,” the undersigned hereby tenders shares at the purchase price, as the same shall be determined by the Company in accordance with the terms of the Offer. For purposes of determining the purchase price, those shares that are tendered by the undersigned agreeing to accept the purchase price determined in the Offer will be deemed to be tendered at the minimum price of $59.00 per share.

¨ The undersigned wants to maximize the chance of having the Company purchase all of the shares the undersigned is tendering (subject to the possibility of proration). Accordingly, by checking this box instead of one of the price boxes above, the undersigned hereby tenders shares at, and is willing to accept, the purchase price determined by the Company in accordance with the terms of the Offer. THE UNDERSIGNED SHOULD UNDERSTAND THAT THIS ELECTION MAY LOWER THE PURCHASE PRICE AND COULD RESULT IN THE TENDERED SHARES BEING PURCHASED AT THE MINIMUM PRICE OF $59.00 PER SHARE.

CHECK ONLY ONE BOX UNDER (1) OR (2) ABOVE. IF MORE THAN ONE BOX IS CHECKED ABOVE, OR IF NO BOX IS CHECKED, THERE IS NO VALID TENDER OF SHARES.

Ladies and Gentlemen:

The undersigned hereby tenders to P.A.M. Transportation Services, Inc. (the “Company”) the above-described shares of common stock, par value $0.01 per share (the “shares”), of the Company, at the price per share indicated in this Letter of Transmittal, net to the seller in cash, less any applicable withholding taxes and without interest, on the terms and subject to the conditions set forth in the Company’s Offer to Purchase dated May 22, 2015 (the “Offer to Purchase”), and this Letter of Transmittal (which, together with any amendments or supplements thereto or hereto, collectively constitute the “Offer”), receipt of which is hereby acknowledged. Unless the context otherwise requires, all references to the shares shall refer to the common stock of the Company.

Subject to and effective on acceptance for payment of, and payment for, the shares tendered with this Letter of Transmittal in accordance with the terms and subject to the conditions of the Offer, the undersigned hereby sells, assigns and transfers to, or upon the order of, the Company, all right, title and interest in and to all the shares that are being tendered hereby and irrevocably constitutes and appoints Computershare Trust Company, N.A. (the “Depositary”), the true and lawful agent and attorney-in-fact of the undersigned, with full power of substitution (such power of attorney being deemed to be an irrevocable power coupled with an interest), to the full extent of the undersigned’s rights with respect to such shares, to (a) deliver certificates for such shares or transfer ownership of such shares on the account books maintained by the book-entry transfer facility, together, in any such case, with all accompanying evidences of transfer and authenticity to, or upon the order of the Company, (b) present such shares for cancellation and transfer on the Company’s books and (c) receive all benefits and otherwise exercise all rights of beneficial ownership of such shares, all in accordance with the terms and subject to the conditions of the Offer.

The undersigned hereby represents and warrants that the undersigned has full power and authority to tender, sell, assign and transfer the shares tendered hereby and that, when the same are accepted for purchase by the Company, the Company will acquire good title thereto, free and clear of all security interests, liens, restrictions, claims and encumbrances, and the same will not be subject to any adverse claim or right. The undersigned will, on request by the Depositary or the Company, execute and deliver any additional documents deemed by the Depositary or the Company to be necessary or desirable to complete the sale, assignment and transfer of the shares tendered hereby, all in accordance with the terms of the Offer.

All authority conferred or agreed to be conferred pursuant to this Letter of Transmittal shall be binding on the successors, assigns, heirs, personal representatives, executors, administrators and other legal representatives of the undersigned and shall not be affected by, and shall survive, the death or incapacity of the undersigned. Except as stated in the Offer to Purchase, this tender is irrevocable.

The undersigned understands that the valid tender of shares pursuant to any of the procedures described in Section 3 of the Offer to Purchase and in the instructions to this Letter of Transmittal will constitute a binding agreement between the undersigned and the Company on the terms and subject to the conditions of the Offer.

It is a violation of Rule 14e-4 promulgated under the Exchange Act (as defined in the Offer to Purchase) for a person acting alone or in concert with others, directly or indirectly, to tender shares for such person’s own account unless at the time of tender and at the Expiration Time such person has a “net long position” in (a) the shares that is equal to or greater than the amount tendered and will deliver or cause to be delivered such shares for the purpose of tender to the Company within the period specified in the Offer, or (b) other securities immediately convertible into, exercisable for or exchangeable into shares (“Equivalent Securities”) that is equal to or greater than the amount tendered and, upon the acceptance of such tender, will acquire such shares by conversion, exchange or exercise of such Equivalent Securities to the extent required by the terms of the Offer and will deliver or cause to be delivered such shares so acquired for the purpose of tender to the Company within the period specified in the Offer. Rule 14e-4 also provides a similar restriction applicable to the tender or guarantee of a tender on behalf of another person. A tender of shares made pursuant to any method of delivery set forth in this Letter of Transmittal will constitute the undersigned’s representation and warranty to the Company that (a) the undersigned has a “net long position” in shares or Equivalent Securities at least equal to the shares being tendered within the meaning of Rule 14e-4, and (b) such tender of shares complies with Rule 14e-4.

The undersigned understands that the Company will, upon the terms and subject to the conditions of the Offer, determine a single per-share purchase price, not greater than $63.00 nor less than $59.00 per share, that it will pay for shares properly tendered and not properly withdrawn prior to the Expiration Time in the Offer, taking into account the number of shares so tendered and the prices specified by tendering stockholders. The undersigned understands that the Company will select the lowest purchase price (in multiples of $1.00) within the price range specified above that will allow it to purchase 80,000 shares, or such lesser number of shares as are properly tendered and not properly withdrawn, at prices not greater than $63.00 nor less than $59.00 per share, in the Offer, subject to its right to increase the total number of shares purchased to the extent permitted by law. The undersigned understands that all shares properly tendered at prices at or below the purchase price and not properly withdrawn will be purchased at the purchase price, net to the seller in cash, less any applicable withholding taxes and without interest, upon the terms and subject to the conditions of the Offer, including its proration provisions, and that the Company will return at its expense all other shares, including shares tendered at prices greater than the purchase price and not properly withdrawn and shares not purchased because of proration, promptly following the Expiration Time.

In participating in the Offer to purchase for cash, the undersigned acknowledges that: (1) the Offer is established voluntarily by the Company, it is discretionary in nature and it may be extended, modified, suspended or terminated by the Company as provided in the Offer; (2) the undersigned is voluntarily participating in the Offer; (3) the future value of the Company’s common stock is unknown and cannot be predicted with certainty; (4) any foreign exchange obligations triggered by the undersigned’s tender of shares or the recipient of proceeds are solely his or her responsibility; and (5) regardless of any action that the Company takes with respect to any or all income/capital gains tax, social security or insurance, transfer tax or other tax-related items (“Tax Items”) related to the Offer and the disposition of shares, the undersigned acknowledges that the ultimate liability for all Tax Items is and remains his or her sole responsibility. In that regard, the undersigned authorizes the Company to withhold all applicable Tax Items legally payable by the undersigned.

The undersigned consents to the collection, use and transfer, in electronic or other form, of the undersigned’s personal data as described in this document by and among, as applicable, the Company, its subsidiaries, and third party administrators for the exclusive purpose of implementing, administering and managing his or her participation in the Offer.

The undersigned understands that the Company holds certain personal information about him or her, including, as applicable, but not limited to, the undersigned’s name, home address and telephone number, date of birth, social security or insurance number or other identification number, nationality, any shares of stock held in the Company, details of all options or any other entitlement to shares outstanding in the undersigned’s favor, for the purpose of implementing, administering and managing his or her stock ownership (“Data”). The undersigned understands that Data may be transferred to any third parties assisting in the implementation, administration and management of the Offer, that these recipients may be located in his or her country or elsewhere, and that the recipient’s country may have different data privacy laws and protections than his or her country. The undersigned understands that he or she may request a list with the names and addresses of any potential recipients of the Data by contacting the Company. The undersigned authorizes the recipients to receive, possess, use, retain and transfer the Data, in electronic or other form, for the purposes of implementing, administering and managing his or her participation in the Offer, including any requisite transfer of such Data as may be required to a broker or other third party with whom held any shares of stock. The undersigned understands that Data will be held only as long as is necessary to implement, administer and manage his or her participation in the Offer. The undersigned understands that he or she may, at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing the Company. The undersigned understands, however, that refusing or withdrawing his or her consent may affect his or her ability to participate in the Offer. For more information on the consequences of his or her refusal to consent or withdrawal of consent, the undersigned understands that he or she may contact the Company.

Unless otherwise indicated herein under “Special Payment Instructions,” please issue the check for payment of the purchase price and/or return any certificates for shares not tendered or accepted for payment in the name(s) of the registered holder(s) appearing under “Description of Shares Tendered.” Similarly, unless otherwise indicated under “Special Delivery Instructions,” please mail the check for payment of the purchase price and/or return any certificate for shares not tendered or accepted for payment (and accompanying documents, as appropriate) to the address(es) of the registered holder(s) appearing under “Description of Shares Tendered.” In the event that both the “Special Delivery Instructions” and the “Special Payment Instructions” are completed, please issue the check for payment of the purchase price and/or return any certificates for shares not tendered or accepted for payment (and any accompanying documents, as appropriate) in the name(s) of, and deliver such check and/or return such certificates (and any accompanying documents, as appropriate) to, the person or persons so indicated. Please credit any shares tendered herewith by book-entry transfer that are not accepted for payment by crediting the account at the book-entry transfer facility designated above. The undersigned recognizes that the Company has no obligation pursuant to the “Special Payment Instructions” to transfer any shares from the name of the registered holder(s) thereof if the Company does not accept for payment any of the shares so tendered.

NOTE: SIGNATURE MUST BE PROVIDED BELOW.

SPECIAL PAYMENT INSTRUCTIONS

(See Instructions 1, 6, 7 and 8)

To be completed ONLY if certificates for shares not tendered or not accepted for payment and/or the check for payment of the purchase price of shares accepted for payment are to be issued in the name of someone other than the undersigned, or if shares tendered hereby and delivered by book-entry transfer which are not purchased are to be returned by crediting them to an account at the book-entry transfer facility other than the account designated above.

Issue:

Check

Certificate(s) to:

Name
(Please Print)
Address
(Include Zip Code)

(Taxpayer Identification or Social Security Number)
(See IRS Form W-9 Included Herewith)

SPECIAL DELIVERY INSTRUCTIONS

(See Instructions 1, 6, 7 and 8)

To be completed ONLY if certificates for shares not tendered or not accepted for payment and/or the check for payment of the purchase price of shares accepted for payment are to be sent to someone other than the undersigned or to the undersigned at an address other than that above.

Issue:

Check

Certificate(s) to:

Name
(Please Print)
Address
(Include Zip Code)

SIGN HERE:

(Also Complete IRS Form W-9 Attached Hereto or Applicable IRS Form W-8)

__________________________________________________________________________

(Signature(s) of Stockholder(s))

Dated: ______________, 2015

(Must be signed by registered holder(s) exactly as name(s) appear(s) on stock certificate(s) for the shares or on a security position listing or by person(s) authorized to become registered holder(s) by certificates and documents transmitted herewith. If signature is by a trustee, executor, administrator, guardian, attorney-in-fact, officer of a corporation or other person acting in a fiduciary or representative capacity, please provide the following information and see Instruction 6.)

Name
	(Please Print)

Capacity (full title)

Address
	(Include Zip Code)

Daytime Area Code and Telephone Number:

Taxpayer Identification or Social Security Number:

GUARANTEE OF SIGNATURE(S)

(If Required—See Instructions 1 and 6)

Authorized Signature:

Name
	(Please Print)

Name of Firm:

Title:

Address
	(Include Zip Code)

Daytime Area Code and Telephone Number:

Dated: ______________, 2015

INSTRUCTIONS

Forming Part of the Terms and Conditions of the Offer

1. Guarantee of Signatures. No signature guarantee is required on this Letter of Transmittal if either (a) this Letter of Transmittal is signed by the registered holder(s) (which term, for purposes of this Instruction 1, includes any participant in the book-entry transfer facility’s system whose name appears on a security position listing as the owner of the shares) of shares tendered herewith, unless such registered holder(s) has completed either the box entitled “Special Payment Instructions” or the box entitled “Special Delivery Instructions” on this Letter of Transmittal or (b) such shares are tendered for the account of a firm that is a member in good standing of a recognized Medallion Program approved by the Securities Transfer Association, Inc., including the Securities Transfer Agents Medallion Program, the New York Stock Exchange, Inc. Medallion Signature Program or the Stock Exchange Medallion Program, or is otherwise an “eligible guarantor institution,” as that term is defined in Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended (each, an “eligible institution”). In all other cases, all signatures on this Letter of Transmittal must be guaranteed by an eligible institution. Stockholders may also need to have any certificates they deliver endorsed or accompanied by a stock power, and the signatures on these documents also may need to be guaranteed. See Instruction 6.

2. Requirements of Tender. This Letter of Transmittal is to be completed by stockholders either if certificates are to be forwarded herewith or, unless an agent’s message (as defined below) is utilized, if delivery of shares is to be made pursuant to the procedures for book-entry transfer set forth in Section 3 of the Offer to Purchase. For a stockholder validly to tender shares pursuant to the Offer, either (a) a Letter of Transmittal, properly completed and duly executed, together with any required signature guarantees, or, in the case of a book-entry transfer, an agent’s message, and any other required documents, must be received by the Depositary at one of its addresses set forth on the back of this Letter of Transmittal prior to the Expiration Time and either certificates for tendered shares must be received by the Depositary at one of such addresses or shares must be delivered pursuant to the procedures for book-entry transfer set forth herein (and a book-entry confirmation must be received by the Depositary), in each case prior to the Expiration Time, or (b) the tendering stockholder must comply with the guaranteed delivery procedures set forth below and in Section 3 of the Offer to Purchase.

Stockholders whose certificates for shares are not immediately available or who cannot deliver their certificates and all other required documents to the Depositary or complete the procedures for book-entry transfer prior to the Expiration Time may tender their shares by properly completing and duly executing the Notice of Guaranteed Delivery pursuant to the guaranteed delivery procedures set forth in Section 3 of the Offer to Purchase. Pursuant to those procedures, (a) tender must be made by or through an eligible institution, (b) a properly completed and duly executed Notice of Guaranteed Delivery, in the form provided by the Company, must be received by the Depositary prior to the Expiration Time and (c) the certificates for all tendered shares in proper form for transfer (or a book-entry confirmation with respect to all such shares), together with a Letter of Transmittal, properly completed and duly executed, with any required signature guarantees, or, in the case of a book-entry transfer, an agent’s message, and any other required documents, must be received by the Depositary, in each case within three business days after the date of execution of the Notice of Guaranteed Delivery as provided in Section 3 of the Offer to Purchase. The term “agent’s message” means a message transmitted by the book-entry transfer facility to, and received by, the Depositary and forming a part of a book-entry confirmation, which states that such book-entry transfer facility has received an express acknowledgment from the participant in the book-entry transfer facility tendering the shares that such participant has received and agrees to be bound by the terms of the Letter of Transmittal and that the Company may enforce such agreement against such participant.

The method of delivery of shares, this Letter of Transmittal and all other required documents, including delivery through the book-entry transfer facility, is at the sole election and risk of the tendering stockholder. Shares will be deemed delivered only when actually received by the Depositary (including, in the case of a book-entry transfer, by book-entry confirmation). If delivery is by mail, registered mail with return receipt requested, properly insured, is recommended. In all cases, sufficient time should be allowed to ensure timely delivery.

Except as specifically provided by the Offer to Purchase, no alternative, conditional or contingent tenders will be accepted. No fractional shares will be purchased. All tendering stockholders, by execution of this Letter of Transmittal, waive any right to receive any notice of the acceptance for payment of their shares.

3. Inadequate Space. If the space provided in the box entitled “Description of Shares Tendered” in this Letter of Transmittal is inadequate, the certificate numbers and/or the number of shares of common stock should be listed on a separate signed schedule attached hereto.

4. Partial Tenders (Not Applicable to Stockholders Who Tender by Book-Entry Transfer). If fewer than all the shares represented by any certificate submitted to the Depositary are to be tendered, fill in the number of shares that are to be tendered in the box entitled “Number of Shares Tendered.” In that case, if any tendered shares are purchased, new certificate(s) for the remainder of the shares that were evidenced by the old certificate(s) will be sent to the registered holder(s), unless otherwise provided in the appropriate box on this Letter of Transmittal, promptly after the acceptance for payment of, and payment for, the shares tendered herewith. All shares represented by certificates delivered to the Depositary will be deemed to have been tendered unless otherwise indicated.

5. Indication of Price at Which Shares are Being Tendered. For shares to be properly tendered, the stockholder MUST either (1) check the box indicating the price per share at which such stockholder is tendering shares under the section captioned “Price (in Dollars) per Share at Which Shares Are Being Tendered” (stockholders should understand that this election may lower the purchase price and could result in the tendered shares being purchased at the minimum price of $59.00 per share) or (2) check the box in the section captioned “Shares Tendered at Price Determined Under the Offer” in order to maximize the chance of having the Company purchase all of the shares tendered (subject to the possibility of proration). For purposes of determining the purchase price, those shares that are tendered by stockholders agreeing to accept the purchase price determined in the Offer will be deemed to be tendered at the minimum price. Selecting option (1) could result in none of the stockholder’s tendered shares being purchased if the purchase price for the shares turns out to be less than the price selected by the stockholder. Selecting option (2) may lower the purchase price and could result in the stockholder receiving the minimum price of $59.00 per share. Only one box under (1) or (2) may be checked. If more than one box is checked, or if no box is checked, there is no proper tender of shares. A stockholder wishing to tender portions of such stockholder’s share holdings at different prices must complete a separate Letter of Transmittal for each price at which such stockholder wishes to tender each such portion of such stockholder’s shares. The same shares cannot be tendered unless previously properly withdrawn as provided in Section 4 of the Offer to Purchase, at more than one price.

6. Signatures on Letter of Transmittal, Stock Powers and Endorsements. If this Letter of Transmittal is signed by the registered holder(s) of the shares tendered hereby, the signature(s) must correspond exactly with the name(s) as written on the face of the certificate(s) without any change whatsoever.

If any of the shares tendered hereby are owned of record by two or more joint owners, all such persons must sign this Letter of Transmittal.

If any shares tendered hereby are registered in different names on several certificates, it will be necessary to complete, sign and submit as many separate Letters of Transmittal as there are different registrations of certificates.

If this Letter of Transmittal or any certificate or stock power is signed by a trustee, executor, administrator, guardian, attorney-in-fact, officer of a corporation or other person acting in a fiduciary or representative capacity, he or she should so indicate when signing, and proper evidence satisfactory to the Company of his or her authority to so act must be submitted with this Letter of Transmittal. Signatures on any such certificates or stock powers must be guaranteed by an eligible institution.

If this Letter of Transmittal is signed by the registered owner(s) of the shares tendered hereby, no endorsements of certificates or separate stock powers are required unless payment of the purchase price is to be made, or certificates for shares not tendered or accepted for payment are to be issued, to a person other than the registered owner(s). Signatures on any such certificates or stock powers must be guaranteed by an eligible institution.

If this Letter of Transmittal is signed by a person other than the registered owner(s) of the shares tendered hereby, or if payment is to be made or certificate(s) for shares not tendered or not purchased are to be issued to a person other than the registered owner(s), the certificate(s) representing such shares must be properly endorsed for transfer or accompanied by appropriate stock powers, in either case signed exactly as the name(s) of the registered owner(s) appear(s) on the certificates(s). The signature(s) on any such certificate(s) or stock power(s) must be guaranteed by an eligible institution. See Instruction 1.

7. Stock Transfer Taxes. The Company will pay any stock transfer taxes with respect to the transfer and sale of shares to it pursuant to the Offer. If, however, payment of the purchase price is to be made to, or if shares not tendered or accepted for payment are to be registered in the name of, any person(s) other than the registered owner(s), or if shares tendered hereby are registered in the name(s) of any person(s) other than the person(s) signing this Letter of Transmittal, the amount of any stock transfer taxes (whether imposed on the registered owner(s) or such person(s)) payable on account of the transfer to such person(s) will be deducted from the purchase price unless satisfactory evidence of the payment of such taxes or exemption therefrom is submitted with this Letter of Transmittal.

Except as provided in this Instruction 7, it will not be necessary for transfer tax stamps to be affixed to the certificates listed in this Letter of Transmittal.

8. Special Payment and Delivery Instructions. If a check for the purchase price of any shares accepted for payment is to be issued in the name of, and/or certificates for any shares not accepted for payment or not tendered are to be issued in the name of and/or returned to, a person other than the signer of this Letter of Transmittal or if a check is to be sent, and/or such certificates are to be returned, to a person other than the signer of this Letter of Transmittal or to an address other than that shown above, the appropriate boxes on this Letter of Transmittal should be completed and signatures must be guaranteed as described in Instructions 1 and 6.

9. Irregularities. The Company will determine in its sole discretion all questions as to the purchase price, the number of shares to accept, and the validity, eligibility (including time of receipt), and acceptance for payment of any tender of shares. Any such determinations will be final and binding on all persons participating in the Offer, subject to such participant’s disputing such determination in a court of competent jurisdiction. The Company reserves the absolute right to reject any or all tenders of shares it determines not to be in proper form or the acceptance of which or payment for which may, in the Company’s counsel’s opinion, be unlawful. The Company also reserves the absolute right to waive any defect or irregularity in the tender of any particular shares, and the Company’s interpretation of the terms of the Offer, including these instructions, will be final and binding on all persons participating in the Offer, subject to such participant’s disputing such determination in a court of competent jurisdiction. No tender of shares will be deemed to be properly made until all defects and irregularities have been cured or waived. Unless waived, any defects or irregularities in connection with tenders must be cured within such time as the Company shall determine. None of the Company, the (as defined in the Offer to Purchase), the Depositary, the Information Agent (as defined in the Offer to Purchase) or any other person is or will be obligated to give notice of any defects or irregularities in tenders and none of them will incur any liability for failure to give any such notice.

10. U.S. Federal Income Tax Withholding. In order to avoid United States backup withholding at a rate of 28% on payments of cash pursuant to the Offer, a stockholder surrendering shares in the Offer must, unless an exemption applies, provide the Depositary with such stockholder’s correct taxpayer identification number (“TIN”), and certify on the Internal Revenue Service (the “IRS”) Form W-9 attached to this Letter of Transmittal that such TIN is correct, that the stockholder is not subject to backup withholding and that the stockholder is a U.S. person. If a stockholder does not provide a correct TIN or fails to provide the certifications described above, the IRS may impose a $50 penalty on such stockholder, and payment of cash to such stockholder pursuant to the Offer may be subject to backup withholding of 28%.

Backup withholding is not an additional tax. Rather, the amount of the backup withholding can be refunded or credited against the U.S. federal income tax liability of the person subject to the backup withholding, provided that the required information is provided to the IRS. Payments of sale proceeds to U.S. stockholders by a broker and payments of dividends generally will be subject to information reporting to the IRS.

A tendering stockholder is required to give the Depositary the TIN (i.e., taxpayer identification number or social security number) of the record owner of the shares being tendered. If the shares are held in more than one name or are not in the name of the actual owner, consult the instructions to the IRS Form W-9 for additional guidance on which number to report.

If the tendering stockholder has not been issued a TIN and has applied for a TIN or intends to apply for a TIN in the near future, such stockholder should write “Applied For” in the space for the TIN on the IRS Form W-9. Notwithstanding that “Applied For” is written in the space for the TIN, the Depositary will withhold 28% on all payments made prior to the time a properly certified TIN is provided to the Depositary. However, these amounts will be refunded to such stockholder if a TIN is provided to the Depositary within 60 days.

Some stockholders (including, among others, certain corporations and certain foreign individuals and entities) are not subject to backup withholding. Any foreign stockholder will be subject to withholding at a rate of 30% on payments received pursuant to the Offer, unless the Depositary determines that a reduced or zero rate of withholding is applicable pursuant to an applicable income tax treaty or that an exemption from withholding is applicable because such gross proceeds are effectively connected with the conduct of a trade or business within the United States. Backup withholding generally will not apply to amounts subject to the 30% or treaty-reduced rate of withholding. Any dividends paid to a foreign stockholder and any tax withheld with respect to such dividends will be reported to the IRS. Copies of these reports may be made available to tax authorities in the country where the foreign stockholder resides.

In order to establish an exemption from backup withholding or to obtain a reduced or zero rate of withholding under an applicable income tax treaty, a foreign stockholder must deliver to the Depositary before the payment is made a properly completed and executed IRS Form W-8BEN (or other applicable IRS Form W-8) claiming such reduction or exemption. In order to claim an exemption from withholding on the grounds that gross proceeds paid pursuant to the Offer are effectively connected with the conduct of a trade or business within the United States, a foreign stockholder must deliver to the Depositary before the payment is made a properly completed and executed IRS Form W-8ECI claiming such exemption. Such forms can be obtained from the Depositary or the IRS at www.irs.gov. A foreign stockholder may be eligible to file for a refund of such tax or a portion of such tax withheld if such stockholder meets the “complete termination,” “substantially disproportionate” or “not essentially equivalent to a dividend” tests described in Section 13 of the Offer to Purchase or if such stockholder is entitled to a reduced or zero rate of withholding pursuant to a tax treaty and the Depositary withheld at a higher rate.

11. Requests for Assistance or Additional Copies. Questions and requests for assistance may be directed to the Information Agent at the address set forth below. Additional copies of the Offer to Purchase, this Letter of Transmittal and the Notice of Guaranteed Delivery may be obtained from the Information Agent.

12. Lost, Destroyed or Stolen Certificates. If your certificate(s) for part or all of your shares has been lost, stolen, destroyed or mutilated, you should check the box for “Lost Certificates” in the box on page 1 and promptly send the completed Letter of Transmittal to the Depositary. Upon receipt of your Letter of Transmittal, the Depositary will provide you with instructions on how to obtain a replacement certificate. You may be asked to post a bond to secure against the risk that the certificate may be subsequently recirculated. There may be a fee and additional documents may be required to replace lost certificates. This Letter of Transmittal and related documents cannot be processed until the procedures for replacing lost, stolen, destroyed or mutilated certificates have been followed. You are urged to send the properly completed Letter of Transmittal to the Depositary immediately to ensure timely processing of documentation. If you have questions, you may contact the Depositary at (800) 546-5141.

13. Order of Purchase in Event of Proration. As described in Section 1 of the Offer to Purchase, stockholders may designate the order in which their shares are to be purchased in the event of proration. The order of purchase may have an effect on the U.S. federal income tax classification of any gain or loss on the shares purchased.

IMPORTANT. This Letter of Transmittal, together with any required signature guarantees, or, in the case of a book-entry transfer, an agent’s message, and any other required documents, must be received by the Depositary prior to the Expiration Time and either certificates for tendered shares must be received by the Depositary or shares must be delivered pursuant to the procedures for book-entry transfer, in each case prior to the Expiration Time, or the tendering stockholder must comply with the procedures for guaranteed delivery.

The Letter of Transmittal, certificates for shares and any other required documents should be sent or delivered by each stockholder of the Company or such stockholder’s broker, dealer, commercial bank, trust company or other nominee to the Depositary at one of its addresses set forth below.

By First Class Mail:	By Registered Mail or Overnight Courier:

Computershare Trust Company, N.A.	Computershare Trust Company, N.A.
Attn: Corporate Actions Voluntary Officer	Attn: Corporate Actions Voluntary Officer
P.O. Box 43011	250 Royall St., Suite V
Providence, Rhode Island 02940-3011	Canton, Massachusetts 02021

Delivery of this Letter of Transmittal to an address other than as set forth above will not constitute a valid delivery to the Depositary.

Questions and requests for assistance may be directed to the Information Agent at the address set forth below. Additional copies of the Offer to Purchase, this Letter of Transmittal and the Notice of Guaranteed Delivery may be obtained from the Information Agent. You may also contact your broker, dealer, commercial bank, trust company or other nominee for assistance concerning the Offer.

The Information Agent for the Offer is:

480 Washington Boulevard, 26^th Floor

Jersey City, NJ 07310

Banks, Brokers and Shareholders Call Toll-Free: (800) 676-0098

Exhibit (a)(1)(C)

Notice of Guaranteed Delivery

(Not to be used for Signature Guarantee)

for

Tender of Shares of Common Stock

P.A.M. TRANSPORTATION SERVICES, INC.

THE OFFER PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

AT 12:00 MIDNIGHT, EASTERN TIME, ON JUNE 22, 2015,

UNLESS THE OFFER IS EXTENDED.

As set forth in Section 3 of the Offer to Purchase (as defined below) this form must be used to accept the Offer (as defined below) if (1) certificates for your shares of common stock, par value $0.01 per share, of P.A.M. Transportation Services, Inc., a Delaware corporation, are not immediately available, (2) the procedures for book-entry transfer cannot be completed on a timely basis or (3) time will not permit all required documents to reach the Depositary prior to the Expiration Time. This form may be delivered by hand or transmitted by facsimile transmission or mail to the Depositary. See Section 3 of the Offer to Purchase. Unless the context otherwise requires, all references to the shares shall refer to the common stock of the Company.

The Depositary for the Offer is:

Computershare Trust Company, N.A.

By First Class Mail:	By Facsimile Transmission:	By Registered Mail or Overnight Courier:
	For Eligible Institutions Only:
Computershare Trust Company, N.A.	(617) 360-6810	Computershare Trust Company, N.A.
Attn: Corporate Actions Voluntary Officer		Attn: Corporate Actions Voluntary Officer
P.O. Box 43011	For Confirmation Only	250 Royall St, Suite V
Providence, RI 02940-3011	Telephone:	Canton, MA 02021
	(781) 575-2332

Delivery of this Notice of Guaranteed Delivery to an address other than as set forth above will not constitute a valid delivery. Please be advised that submissions made outside of normal business hours may be subject to a fee by the Depositary.

This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an eligible institution under the instructions in the Letter of Transmittal, the signature guarantee must appear in the applicable space provided in the signature box on the Letter of Transmittal.

Ladies and Gentlemen:

The undersigned hereby tenders to P.A.M. Transportation Services, Inc., a Delaware corporation (the “Company”), at the price per share indicated in this Notice of Guaranteed Delivery, on the terms and subject to the conditions set forth in the Offer to Purchase dated May 22, 2015 (the “Offer to Purchase”), and the related Letter of Transmittal (which, together with any amendments or supplements thereto, collectively constitute the “Offer”), receipt of which is hereby acknowledged, the number of shares set forth below, all pursuant to the guaranteed delivery procedures set forth in Section 3 of the Offer to Purchase. Unless the context otherwise requires, all references to the shares shall refer to the common stock of the Company.

Number of Shares to be tendered: _____________ shares.

THE UNDERSIGNED IS TENDERING SHARES AS FOLLOWS (CHECK ONLY ONE BOX):

(1) SHARES TENDERED AT PRICE DETERMINED BY STOCKHOLDER (SEE INSTRUCTION 5 OF THE LETTER OF TRANSMITTAL)

By checking ONE of the following boxes below INSTEAD OF THE BOX BELOW UNDER “(2) Shares Tendered at Price Determined Under the Offer,” the undersigned hereby tenders shares at the price checked. This action could result in none of the shares being purchased if the purchase price determined by the Company for the shares is less than the price checked below. A STOCKHOLDER WHO DESIRES TO TENDER SHARES AT MORE THAN ONE PRICE MUST COMPLETE A SEPARATE NOTICE OF GUARANTEED DELIVERY AND/OR LETTER OF TRANSMITTAL FOR EACH PRICE AT WHICH SHARES ARE TENDERED. The same shares cannot be tendered, unless previously properly withdrawn as provided in Section 4 of the Offer to Purchase, at more than one price.

PRICE (IN DOLLARS) PER SHARE AT WHICH SHARES

ARE BEING TENDERED

¨ $59.00	¨ $61.00	¨ $63.00

¨ $60.00	¨ $62.00

(2) SHARES TENDERED AT PRICE DETERMINED UNDER THE OFFER (SEE INSTRUCTION 5 OF THE LETTER OF TRANSMITTAL)

CHECK ONLY ONE BOX UNDER (1) OR (2) ABOVE. IF MORE THAN ONE BOX IS CHECKED ABOVE, OR IF NO BOX IS CHECKED, THERE IS NO VALID TENDER OF SHARES.

THE GUARANTEE SET FORTH BELOW MUST BE COMPLETED.

GUARANTEE

(Not To Be Used For Signature Guarantee)

The undersigned, a firm that is a member in good standing of a recognized Medallion Program approved by the Securities Transfer Association, Inc., including the Securities Transfer Agents Medallion Program, the New York Stock Exchange, Inc. Medallion Signature Program or the Stock Exchange Medallion Program, or is otherwise an “eligible guarantor institution,” as that term is defined in Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), hereby guarantees (1) that the above named person(s) “own(s)” the shares tendered hereby within the meaning of Rule 14e-4 under the Exchange Act, (2) that such tender of shares complies with Rule 14e-4 under the Exchange Act and (3) to deliver to the Depositary either the certificates representing the shares tendered hereby, in proper form for transfer, or a book-entry confirmation (as defined in the Offer to Purchase) with respect to such shares, in any such case together with a properly completed and duly executed Letter of Transmittal (or a facsimile thereof), with any required signature guarantees, or an agent’s message (as defined in the Offer to Purchase) in the case of a book-entry delivery, and any other required documents, within three business days (as defined in the Offer to Purchase) after the date hereof.

The eligible institution that completes this form must communicate the guarantee to the Depositary and must deliver the Letter of Transmittal and certificates for shares to the Depositary within the time period shown herein. Failure to do so could result in financial loss to such eligible institution.

Name of Firm:

Authorized Signature:

Name:
	(Please Type or Print)

Title:

Address:

Zip Code:	__________________________

Area Code and Telephone Number: _________________________________________________________

Dated: _____________, 2015

Note: Do not send certificates for shares with this Notice.

Certificates for Shares should be sent with your Letter of Transmittal.

Exhibit (a)(1)(D)

Offer to Purchase for Cash

P.A.M. TRANSPORTATION SERVICES, INC.

Up to 80,000 shares of its Common Stock

at a Purchase Price Not Greater Than $63.00 nor Less Than $59.00 Per Share

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

AT 12:00 MIDNIGHT, EASTERN TIME, ON JUNE 22, 2015,

UNLESS THE OFFER IS EXTENDED.

May 22, 2015

To Brokers, Dealers, Commercial Banks,

Trust Companies and Other Nominees:

We have been appointed by P.A.M. Transportation Services, Inc., a Delaware corporation (the “Company”), to act as Information Agent in connection with its offer to purchase for cash up to 80,000 shares of its common stock, par value $0.01 per share, at a price, net to the seller in cash, less any applicable withholding taxes and without interest, not greater than $63.00 nor less than $59.00 per share, upon the terms and subject to the conditions set forth in the Offer to Purchase dated May 22, 2015 (the “Offer to Purchase”) and the related Letter of Transmittal (which, together with any supplements or amendments thereto, collectively constitute the “Offer”). Please furnish copies of the enclosed materials to those of your clients for whom you hold shares registered in your name or in the name of your nominee. Unless the context otherwise requires, all references to the shares shall refer to the common stock of the Company.

Enclosed with this letter are copies of the following documents:

Offer to Purchase dated May 22, 2015;

Letter of Transmittal, for your use in accepting the Offer and tendering shares of and for the information of your clients;

Form of letter that may be sent to your clients for whose account you hold shares registered in your name or in the name of a nominee, with an Instruction Form provided for obtaining such client’s instructions with regard to the Offer; and

Notice of Guaranteed Delivery with respect to shares, to be used to accept the Offer in the event you are unable to deliver the share certificates, together with all other required documents, to the Depositary before the Expiration Time, or if the procedure for book-entry transfer cannot be completed before the Expiration Time.

Certain conditions to the Offer are described in Section 6 of the Offer to Purchase.

We urge you to contact your clients promptly. Please note that the Offer, proration period and withdrawal rights will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless the Offer is extended.

Under no circumstances will interest be paid on the purchase price of the shares regardless of any extension of, or amendment to, the Offer or any delay in paying for such shares.

The Company will not pay any fees or commissions to any broker or dealer or other person (other than the Information Agent and the Depositary, as described in the Offer to Purchase) in connection with the solicitation of tenders of shares pursuant to the Offer. However, the Company will, on request, reimburse you for customary mailing and handling expenses incurred by you in forwarding copies of the enclosed Offer materials to your clients. The Company will pay or cause to be paid any stock transfer taxes applicable to its purchase of shares pursuant to the Offer, except as otherwise provided in the Offer to Purchase and Letter of Transmittal (see Instruction 7 of the Letter of Transmittal).

Questions and requests for additional copies of the enclosed material may be directed to us at our address and telephone number set forth on the back cover of the Offer to Purchase.

	Very truly yours,

	Georgeson Inc.

Nothing contained in this letter or in the enclosed documents shall render you or any other person the agent of the Company, the Depositary, the Information Agent or any affiliate of any of them or authorize you or any other person to give any information or use any document or make any statement on behalf of any of them with respect to the Offer other than the enclosed documents and the statements contained therein.

Exhibit (a)(1)(E)

Offer to Purchase for Cash

P.A.M. TRANSPORTATION SERVICES, INC.

Up to 80,000 shares of Its Common Stock

at a Purchase Price Not Greater Than $63.00 nor Less Than $59.00 Per Share

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

AT 12:00 MIDNIGHT, EASTERN TIME, ON JUNE 22, 2015,

UNLESS THE OFFER IS EXTENDED.

To Our Clients:

Enclosed for your consideration are the Offer to Purchase, dated May 22, 2015 (the “Offer to Purchase”), and the related Letter of Transmittal (which, together with any amendments or supplements thereto, collectively constitute the “Offer”), in connection with the offer by P.A.M. Transportation Services, Inc., a Delaware corporation (the “Company”), to purchase for cash up to 80,000 shares of its common stock, par value $0.01 per share, at a price not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding taxes and without interest, upon the terms and subject to the conditions of the Offer. Unless the context otherwise requires, all references to shares shall refer to the common stock of the Company.

On the terms and subject to the conditions of the Offer, the Company will determine a single per-share price, not greater than $63.00 nor less than $59.00 per share, net to the seller in cash, less any applicable withholding taxes and without interest, that it will pay for shares properly tendered and not properly withdrawn in the Offer, taking into account the total number of shares tendered and the prices specified by tendering stockholders. After the Offer expires, the Company will look at the prices chosen by stockholders for all of the shares properly tendered. The Company will then select the lowest purchase price (in multiples of $1.00) within the price range specified above that will allow it to purchase 80,000 shares. If fewer than 80,000 shares are properly tendered, the Company will select the price that will allow it to purchase all the shares that are properly tendered and not properly withdrawn. The Company will purchase all shares properly tendered before the Expiration Time (as defined in the Offer to Purchase) at or below the purchase price and not properly withdrawn at the purchase price the Company selects, net to the seller in cash, less any applicable withholding tax and without interest, on the terms and subject to the conditions of the Offer, including its proration provisions. All shares acquired in the Offer will be acquired at the same purchase price. The Company reserves the right, in its sole discretion, to purchase more than 80,000 shares in the Offer, subject to applicable law. The Company will return shares tendered at prices greater than the purchase price and shares not purchased because of proration provisions to the tendering stockholders at the Company’s expense promptly after the Offer expires. See Sections 1 and 3 of the Offer to Purchase.

If the number of shares properly tendered is less than or equal to 80,000 shares (or such greater number of shares as the Company may elect to purchase pursuant to the Offer, subject to applicable law), the Company will, on the terms and subject to the conditions of the Offer, purchase at the purchase price selected by the Company all shares so tendered.

On the terms and subject to the conditions of the Offer, if at the expiration of the Offer more than 80,000 shares (or such greater number of shares as the Company may elect to purchase, subject to applicable law) are properly tendered at or below the purchase price, the Company will buy shares on a pro rata basis from all stockholders who properly tender shares at or below the purchase price selected by the Company. See Sections 1 and 3 of the Offer to Purchase.

We are the owner of record of shares held for your account. As such, we are the only ones who can tender your shares, and then only pursuant to your instructions. We are sending you the Letter of Transmittal for your information only; you cannot use it to tender shares we hold for your account.

Please instruct us as to whether you wish us to tender any or all of the shares we hold for your account on the terms and subject to the conditions of the Offer.

Please note the following:

1. You may tender your shares at prices not greater than $63.00 nor less than $59.00 per share, as indicated in the attached Instruction Form, net to you in cash, less any applicable withholding taxes and without interest. If you want to maximize the chance of having the Company purchase all of your shares, you may also tender your shares at a price determined under the Offer.

2. You should consult with your broker or other financial or tax advisor on the possibility of designating the priority in which your shares will be purchased in the event of proration.

3. The Offer is not conditioned on any minimum number of shares being tendered. The Offer is, however, subject to certain other conditions set forth in Section 6 of the Offer to Purchase.

4. The Offer, withdrawal rights and proration period will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless the Company extends the Offer.

5. The Offer is for 80,000 shares, constituting approximately 1.1% of the total number of issued shares of the Company’s common stock as of May 20, 2015.

6. Tendering stockholders who are registered stockholders or who tender their shares directly to Computershare Trust Company, N.A. will not be obligated to pay any brokerage commissions or fees to the Company or, except as set forth in the Offer to Purchase and the Letter of Transmittal, stock transfer taxes on the Company’s purchase of shares under the Offer.

7. If you wish to tender portions of your shares at different prices, you must complete a separate Instruction Form for each price at which you wish to tender each such portion of your shares. We must submit separate Letters of Transmittal on your behalf for each price you will accept for each portion tendered.

If you wish to have us tender any or all of your shares, please so instruct us by completing, executing, detaching and returning to us the attached Instruction Form. If you authorize us to tender your shares, we will tender all your shares unless you specify otherwise on the attached Instruction Form.

Your prompt action is requested. Your Instruction Form should be forwarded to us in ample time to permit us to submit a tender on your behalf before the Expiration Time of the Offer. Please note that the Offer, proration period and withdrawal rights will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless the Offer is extended.

The Offer is being made solely under the Offer to Purchase and the related Letter of Transmittal and is being made to all record holders of shares of the Company’s common stock. The Offer is not being made to, nor will tenders be accepted from or on behalf of, holders of shares residing in any jurisdiction in which the making of the Offer or acceptance thereof would not be in compliance with the securities, blue sky or other laws of such jurisdiction.

The Company’s Board of Directors has approved the Offer. However, neither the Company nor any member of its Board of Directors, nor the Depositary, or the Information Agent is making any recommendation to you as to whether to tender or refrain from tendering your shares or as to the purchase price or purchase prices at which you may choose to tender your shares. You must make your own decision as to whether to tender and, if so, how many shares to tender and the purchase price or purchase prices at which your shares should be tendered. In doing so, you should read carefully the information in the Offer to Purchase and in the related Letter of Transmittal, including the Company’s reasons for making the Offer. See Section 2 of the Offer to Purchase. You should discuss whether to tender your shares with your broker or other financial or tax advisor.

The Company’s directors and executive officers are entitled to participate in the Offer on the same basis as all other stockholders. The Chairman of the Company’s Board of Directors, Mr. Matthew T. Moroun, has advised the Company that, although no final decision has been made, he or the Moroun Trust, of which he is a co-trustee and a beneficiary, may tender up to a total of 230,000 shares that they beneficially own in the Offer. Mr. Moroun and the Moroun Trust collectively beneficially own approximately 58% of the outstanding shares of the Company’s common stock. In addition, our President and Chief Executive Officer, Mr. Daniel H. Cushman, and a director, Mr. W. Scott Davis, each has advised the Company that, although no final decision has been made, Mr. Cushman may tender up to 14,800 shares that he beneficially owns in the Offer and Mr. Davis may tender up to 10,000 shares that he beneficially owns in the Offer. The Company’s other directors and executive officers have advised the Company that they do not intend to tender any of their shares in the Offer.

If Messrs. Moroun, Cushman, Davis and the Moroun Trust properly tender all of the shares which they have indicated they may tender in this Offer, the Offer will be oversubscribed, even if the Company exercises its right to increase the number of shares accepted for payment by up to an additional 2% of the Company’s outstanding shares (or approximately 148,566 additional shares). In such circumstance, the price(s) at which Messrs. Moroun, Cushman, Davis and the Moroun Trust tender their shares could determine the price at which all of the shares accepted for payment are purchased. Additionally, if the Offer is oversubscribed, the Company will purchase shares on a pro rata basis from all stockholders who properly tender shares at or below the purchase price the Company determines. Therefore, if you wish to maximize the chance that your shares will be purchased and wish to maximize the number of your shares accepted for payment, you should tender as many shares as you own and are willing to sell in the Offer and select the option to tender your shares at the “Price Determined Under the Offer” indicating that you will accept the purchase price the Company determines.

INSTRUCTION FORM WITH RESPECT TO

Offer to Purchase for Cash

P.A.M. TRANSPORTATION SERVICES, INC.

Up to 80,000 shares of its Common Stock

at a Purchase Price Not Greater Than $63.00 nor Less Than $59.00 Per Share

The undersigned acknowledge(s) receipt of your letter and the enclosed Offer to Purchase, dated May 22, 2015 (the “Offer to Purchase”), and the related Letter of Transmittal (which, together with any amendments or supplements thereto, collectively constitute the “Offer”), in connection with the Offer by P.A.M. Transportation Services, Inc., a Delaware corporation (the “Company”), to purchase for cash up to 80,000 shares of its common stock, par value $0.01 per share, at a price, net to the seller in cash, less any applicable withholding tax and without interest, not greater than $63.00 nor less than $59.00 per share, specified by the undersigned, on the terms and subject to the conditions of the Offer. Unless the context otherwise requires, all references to the shares shall refer to the common stock of the Company.

The undersigned hereby instruct(s) you to tender to the Company the number of shares indicated below or, if no number is indicated, all shares you hold for the account of the undersigned, at the price per share indicated below, on the terms and subject to the conditions of the Offer.

Number of shares to be tendered by you for the account of the undersigned: __________ shares*

* Unless otherwise indicated, it will be assumed that all shares held by us for your account are to be tendered.

CHECK ONLY ONE BOX:

(1) SHARES TENDERED AT PRICE DETERMINED BY STOCKHOLDER (SEE INSTRUCTION 5 OF THE LETTER OF TRANSMITTAL)

By checking ONE of the following boxes below INSTEAD OF THE BOX BELOW UNDER “(2) Shares Tendered at Price Determined Under the Offer,” the undersigned hereby tenders shares at the price checked. This action could result in none of the shares being purchased if the purchase price determined by the Company for the shares less than the price checked below. A STOCKHOLDER WHO DESIRES TO TENDER SHARES AT MORE THAN ONE PRICE MUST COMPLETE A SEPARATE INSTRUCTION FORM FOR EACH PRICE AT WHICH SHARES ARE TENDERED. The same shares cannot be tendered, unless previously properly withdrawn as provided in Section 4 of the Offer to Purchase, at more than one price.

PRICE (IN DOLLARS) PER SHARE AT WHICH SHARES

ARE BEING TENDERED

¨ $59.00	¨ $61.00	¨ $63.00

¨ $60.00	¨ $62.00

(2) SHARES TENDERED AT PRICE DETERMINED UNDER THE OFFER (SEE INSTRUCTION 5 OF THE LETTER OF TRANSMITTAL)

CHECK ONLY ONE BOX UNDER (1) OR (2) ABOVE. IF MORE THAN ONE BOX IS CHECKED ABOVE, OR IF NO BOX IS CHECKED, THERE IS NO VALID TENDER OF SHARES.

Exhibit (a)(1)(F)

PRESS RELEASE

P.A.M. Transportation Services, Inc. Commences Self Tender Offer to Purchase up to 80,000 shares

Tontitown, Arkansas, May 22, 2015….. P.A.M. Transportation Services, Inc. (NASDAQ: PTSI) today announced the commencement of a modified “Dutch auction” tender offer to purchase up to 80,000 shares, or about 1.1%, of its outstanding common stock using available cash, cash equivalents and short-term investments, at a price of not less than $59.00 and not more than $63.00 per share. The tender offer will expire at the end of the day, 12:00 Midnight, Eastern Time, on June 22, 2015, unless extended or withdrawn. The Board of Directors determined that it is in the Company’s best interest to repurchase shares at this time given P.A.M.’s cash position and stock price.

A modified “Dutch auction” tender offer allows stockholders to indicate how many shares and at what price(s) they wish to tender their shares within the specified price range. Based on the number of shares tendered and the prices specified by the tendering stockholders, the Company will determine the lowest price per share within the range that will allow it to purchase up to 80,000 shares of its common stock, or a lower amount depending on the number of shares properly tendered and not properly withdrawn. Stockholders whose shares are purchased in the offer will receive the determined purchase price per share in cash, without interest, after the expiration of the offer period, subject to the conditions of the tender offer, including the provisions relating to proration. All shares tendered at prices higher than the purchase price will not be purchased and will be promptly returned to stockholders. The tender offer is not conditioned upon any minimum number of shares being tendered; however, the tender offer is subject to a number of other terms and conditions. Specific instructions and an explanation of the terms and conditions of the tender offer are contained in the Offer to Purchase and related materials that are being mailed to stockholders.

P.A.M. Transportation has retained Computershare Trust Company, N.A. as the depositary for the tender offer and Georgeson Inc., as the information agent.

Copies of the Offer to Purchase, the related Letter of Transmittal and the Notice of Guaranteed Delivery are being mailed to the Company’s stockholders. Additional copies of the Offer to Purchase, the related Letter of Transmittal or the Notice of Guaranteed Delivery may be obtained at the Company’s expense from the information agent at (800) 676-0098 (toll free). Questions regarding the tender offer should be directed to the information agent at (800) 676-0098 (toll free).

P.A.M. Transportation Services, Inc. is a leading truckload dry van carrier transporting general commodities throughout the continental United States, as well as in the Canadian provinces of Ontario and Quebec. The Company also provides transportation services in Mexico through its gateways in Laredo and El Paso, Texas under agreements with Mexican carriers.

Certain Information Regarding the Tender Offer

The information in this press release describing P.A.M. Transportation’s tender offer is for informational purposes only and does not constitute an offer to buy or the solicitation of an offer to sell shares of P.A.M. Transportation’s common stock in the tender offer. The tender offer is being made only pursuant to the Offer to Purchase and the related materials that P.A.M. Transportation is distributing to its stockholders, as they may be amended or supplemented. Stockholders should read such Offer to Purchase and related materials carefully and in their entirety because they contain important information, including the various terms and conditions of the tender offer. Stockholders of P.A.M. Transportation may obtain a free copy of the Tender Offer Statement on Schedule TO, the Offer to Purchase and other documents that P.A.M. Transportation is filing with the Securities and Exchange Commission from the Securities and Exchange Commission’s website at www.sec.gov. Stockholders may also obtain a copy of these documents, without charge, from Georgeson Inc., the information agent for the tender offer, toll free at (800) 676-0098. Stockholders are urged to carefully read all of these materials prior to making any decision with respect to the tender offer. Stockholders and investors who have questions or need assistance may call Georgeson Inc., the information agent for the tender offer, toll free at (800) 676-0098.

Note Regarding Forward-Looking Statements

Certain information included in this document contains or may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements may relate to expected future financial and operating results or events, and are thus prospective. Such forward-looking statements are subject to risks, uncertainties and other factors which could cause actual results to differ materially from future results expressed or implied by such forward-looking statements. Potential risks and uncertainties include, but are not limited to, excess capacity in the trucking industry; surplus inventories; recessionary economic cycles and downturns in customers’ business cycles; increases or rapid fluctuations in fuel prices, interest rates, fuel taxes, tolls, license and registration fees; the resale value of the Company’s used equipment and the price of new equipment; increases in compensation for and difficulty in attracting and retaining qualified drivers and owner-operators; increases in insurance premiums and deductible amounts relating to accident, cargo, workers’ compensation, health, and other claims; unanticipated increases in the number or amount of claims for which the Company is self insured; inability of the Company to continue to secure acceptable financing arrangements; seasonal factors such as harsh weather conditions that increase operating costs; competition from trucking, rail, and intermodal competitors including reductions in rates resulting from competitive bidding; the ability to identify acceptable acquisition candidates, consummate acquisitions, and integrate acquired operations; a significant reduction in or termination of the Company’s trucking service by a key customer; and other factors, including risk factors, included from time to time in filings made by the Company with the Securities and Exchange Commission. The Company undertakes no obligation to publicly update or revise forward-looking statements, whether as a result of new information, future events or otherwise. In light of these risks and uncertainties, the forward-looking events and circumstances discussed above and in company filings might not transpire.

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