Additional Proxy Soliciting Materials (definitive) (defa14a)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant x Filed by a party other than the Registrant ¨

Check the appropriate box:


¨		Preliminary Proxy Statement

¨		Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨		Definitive Proxy Statement

x		Definitive Additional Materials

¨		Soliciting Material Pursuant to Section 240.14a-12

NATURAL GAS SERVICES GROUP, INC.

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check the appropriate box):



x	No fee required.

¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

	(1)	Title of each class of securities to which the transaction applies:
	(2)	Aggregate number of securities to which transaction applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11:
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:

¨	Fee paid previously with preliminary materials.

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

	(1)	Amount Previously Paid:
	(2)	Form, Schedule or Registration Statement No.:
	(3)	Filing Party:
	(4)	Date Filed:

*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Shareholder Meeting to Be Held on June 03, 2014

NATURAL GAS SERVICES GROUP, INC.

Meeting Information

Meeting Type: Annual Meeting

For holders as of: April 04, 2014

Date: June 03, 2014

Time: 8:30 AM CDT

Location: Petroleum Club of Midland

501 West Wall Street

Midland, TX 79701

You are receiving this communication because you hold shares in the above named company.

LOGO

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

— Before You Vote —

How to Access the Proxy Materials


				Proxy Materials Available to VIEW or RECEIVE:
				1. Notice & Proxy Statement 2. 10-K/Annual Report Combo
				How to View Online:
				Have the information that is printed in the box marked by the arrow (located on the following page) and visit: www.proxyvote.com.
				How to Request and Receive a PAPER or E-MAIL Copy:
				If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:
				1) BY INTERNET :		www.proxyvote.com
				2) BY TELEPHONE :		1-800-579-1639
				3) BY E-MAIL* :		sendmaterial@proxyvote.com
				* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (located on the following page) in the subject line.
				Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 20, 2014 to facilitate timely delivery.


				— How To Vote — Please Choose One of the Following Voting Methods

				Vote In Person: If you choose to vote these shares in person at the meeting, you must request a “ legal proxy. ” To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. Vote By Internet: To vote now by Internet, go to www.proxyvote.com . Have the information that is printed in the box marked by the arrow available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form.


Voting items

The Board of Directors recommends that you
vote FOR the following:

1.	Election of Directors

	Nominees

01	Stephen C. Taylor	02 Charles G. Curtis

The Board of Directors recommends you vote FOR the following proposal(s):

2.	Ratification of the appointment of BDO USA, LLP as the Company’s Independent Registered Public Accounting Firm for 2014.

3.	To consider an advisory vote on compensation of our named executive officers.

4.	Approval of an amendment to the 2009 Restricted Stock/Unit Plan.

Voting Instructions

LOGO


		*NATURAL GAS SERVICES GROUP, INC.* *508 WEST WALL STREET, SUITE 550* *MIDLAND, TX 79701*		VOTE BY INTERNET - www.proxyvote.com
				Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. EST the day before the meeting date. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form.
				VOTE BY PHONE - 1-800-690-6903
				Use any touch-tone telephone to transmit your voting instructions up until 11:59 P.M. EST the day before the meeting date. Have your proxy card in hand when you call and then follow the instructions.
				VOTE BY MAIL
				Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717.


		TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:				KEEP THIS PORTION FOR YOUR RECORDS


								DETACH AND RETURN THIS PORTION ONLY
				THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

For All

Withhold

All

For All

Except

To withhold authority to vote for any individual nominee(s), mark “For All Except” and write the number(s) of the nominee(s) on the line below.

The Board of Directors recommends you vote FOR the following:

Election of Directors

Nominees

Stephen C. Taylor 02 Charles G. Curtis

The Board of Directors recommends you vote FOR proposals 2, 3 and 4.

For

Against

Abstain

Ratification of the appointment of BDO USA, LLP as the Company’s Independent Registered Public Accounting Firm for 2014.

To consider an advisory vote on compensation of our named executive officers.

Approval of an amendment to the 2009 Restricted Stock/Unit Plan.

LOGO

Yes

Please indicate if you plan to attend this meeting

Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name, by authorized officer.

Signature [PLEASE SIGN WITHIN BOX]

Date

Signature (Joint Owners)

Date

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Notice & Proxy Statement, 10-K/Annual Report Combo is/are available at www.proxyvote.com .

NATURAL GAS SERVICES GROUP, INC.

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

ANNUAL MEETING OF SHAREHOLDERS JUNE 3, 2014.

LOGO

The shareholder(s) hereby appoint(s) Stephen C. Taylor and G. Larry Lawrence, or either of them, as proxies, each with the power to appoint his substitute, and hereby authorizes them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of Common Stock of NATURAL GAS SERVICES GROUP, INC. that the shareholder(s) is/are entitled to vote at the Annual Meeting of Shareholders to be held at 8:30 AM, CDT on June 3, 2014, at the Petroleum Club of Midland, at 501 West Wall Street, Midland TX 79701, and any adjournment or postponement thereof.

THIS PROXY, WHEN PROPERLY EXECUTED WILL BE VOTED AS DIRECTED BY THE SHAREHOLDER(S). IF NO SUCH DIRECTIONS ARE MADE, THIS PROXY WILL BE VOTED FOR THE ELECTION OF THE NOMINEE LISTED ON THE REVERSE SIDE FOR THE BOARD OF DIRECTORS and FOR ITEMS 2, 3 AND 4. IF ANY OTHER MATTER PROPERLY COMES BEFORE THE MEETING, THE PERSONS NAMED IN THE PROXY WILL VOTE IN THEIR DISCRETION.