Washington, D.C. 20549
(Amendment No. 3)*
Check the appropriate box to designate the Rule pursuant
to which this Schedule is filed:
*The remainder of this cover page shall be filled out for a reporting
person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing
information which would alter disclosures provided in a prior cover page.
The information required on the remainder of this page shall
not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes.)
Page 1 of 6 Pages
CUSIP NO. 441339108 13G Page 2 of 6 Pages
1 Name of Reporting Person
S.S. or I.R.S. Identification No. of Above
Person
T. ROWE PRICE ASSOCIATES, INC.
52-0556948
2 Check the Appropriate Box if a Member of a Group*
(a) ____
NOT APPLICABLE (b) ____
____________________________________
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4
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Citizenship or Place of Organization
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MARYLAND
Number of 5 Sole Voting Power
**
Shares 224,900
Beneficially 6 Shared Voting Power
**
Owned By Each -0-
Reporting 7 Sole Dispositive Power
**
Person 2,356,300
With 8 Shared Dispositive Power
-0-
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
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2,356,300
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10
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Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
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NOT APPLICABLE
11 Percent of Class Represented by Amount in Row 9
5.5%
12 Type of Reporting Person*
IA
*SEE INSTRUCTION BEFORE FILLING OUT!
**Any shares reported in Items 5 and 6 are also
reported in Item 7.
CUSIP NO. 441339108 13G Page 3 of 6 Pages
1 Name of Reporting Person
S.S. or I.R.S. Identification No. of Above
Person
T. ROWE PRICE SMALL CAP STOCK FUND, INC.
23-1622210
2 Check the Appropriate Box if a Member of a Group*
(a) ____
NOT APPLICABLE (b) ____
______________________________
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4
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Citizenship or Place of Organization
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Maryland
Number of 5 Sole Voting Power
**
Shares 1,801,900
Beneficially 6 Shared Voting Power
**
Owned By Each NONE
Reporting 7 Sole Dispositive Power
**
Person NONE
With 8 Shared Dispositive Power
NONE
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9
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Aggregate Amount Beneficially Owned by Each Reporting Person
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1,801,900
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10
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Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares*
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NOT APPLICABLE
11 Percent of Class Represented by Amount in Row 9
4.2%
12 Type of Reporting Person*
IV
*SEE INSTRUCTION BEFORE FILLING OUT!
**The aggregate amount reported on this page is also included
in the aggregate amount reported by T. Rowe Price Associates, Inc. on page 2 of this Schedule 13G.
SCHEDULE 13G
PAGE 4 OF 6
Item 1(a) Name of Issuer:
Reference is made to page 1 of this Schedule
13G
Item 1(b) Address of Issuer's Principal Executive Offices:
18305
E. SAN JOSE AVE., CITY OF INDUSTRY, CA 91748
Item 2(a) Name of Person(s) Filing:
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(1)
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T. Rowe Price Associates, Inc. ("Price Associates")
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(2) T. Rowe Price Small Cap Stock Fund,
Inc.
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X
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Attached as Exhibit A is a copy of an agreement between the Persons Filing (as specified hereinabove) that this Schedule 13G
is being filed on behalf of each of them.
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Item 2(b) Address of Principal Business Office:
100 E. Pratt Street, Baltimore, Maryland 21202
Item 2(c) Citizenship or Place of Organization:
(1) Maryland
(2) Maryland
Item 2(d) Title of Class of Securities:
Reference is made to page 1 of this Schedule
13G
Item 2(e) CUSIP Number: 441339108
Item 3 The person filing this Schedule 13G is an:
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X
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Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940
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X
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Investment Company registered under Section 8 of the Investment Company Act of 1940
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SCHEDULE 13G
PAGE 5 OF 6
Item 5 Ownership of Five Percent or Less of a Class.
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X
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This statement is being filed to report the fact that, as of the date of this report, T. Rowe Price Small Cap Stock Fund, Inc.,
has ceased to be the beneficial owner of more than five percent of the class of securities.
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This Item 5 is not applicable with respect to Price
Associates.
Item 6 Ownership of More
than Five Percent on Behalf of Another Person
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(1)
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Price Associates does not serve as custodian of the assets of any of its clients; accordingly, in each instance only the client
or the client's custodian or trustee bank has the right to receive dividends paid with respect to, and proceeds from the sale of,
such securities.
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The ultimate power to direct the receipt of dividends
paid with respect to, and the proceeds from the sale of, such securities, is vested in the individual and institutional clients
which Price Associates serves as investment adviser. Any and all discretionary authority which has been delegated to Price Associates
may be revoked in whole or in part at any time.
Except as may be indicated if this is a joint filing
with one of the registered investment companies sponsored by Price Associates which it also serves as investment adviser ("T.
Rowe Price Funds"), not more than 5% of the class of such securities is owned by any one client subject to the investment
advice of Price Associates.
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(2)
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With respect to securities owned by any one of the T. Rowe Price Funds, only State Street Bank and Trust Company, as custodian
for each of such Funds, has the right to receive dividends paid with respect to, and proceeds from the sale of, such securities.
No other person is known to have such right, except that the shareholders of each such Fund participate proportionately in any
dividends and distributions so paid.
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Item 7 Identification
and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.
Not Applicable.
Item 8 Identification
and Classification of Members of the Group.
Not Applicable.
SCHEDULE 13G
PAGE 6 OF 6
Item 9 Notice of Dissolution of Group.
Not Applicable.
Item 10 Certification.
By signing below I (we) certify that, to the best of
my (our) knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired
for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having such purpose or effect. T. Rowe Price Associates,
Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Associates is
the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.
Signature.
After reasonable inquiry and to the best of my (our)
knowledge and belief, I (we) certify that the information set forth in this statement is true, complete and correct.
Dated: February 14, 2013 Dated: February 14, 2013
T. ROWE PRICE SMALL CAP T. ROWE PRICE ASSOCIATES, INC.
STOCK FUND, INC.
By: /s/ David Oestreicher By: /s/ David Oestreicher
David Oestreicher, David Oestreicher,
Vice President Vice President
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Note:
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This Schedule 13G, including all exhibits, must be filed with the Securities and Exchange Commission, and a copy hereof must
be sent to the issuer by registered or certified mail not later than February 14th following the calendar year covered by the statement
or within the time specified in Rule 13d-1(b)(2), if applicable.
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12/31/2012
EXHIBIT A
AGREEMENT
JOINT FILING OF SCHEDULE 13G
T. Rowe Price Associates, Inc. (an investment
adviser registered under the Investment Advisers Act of 1940) and T. Rowe Price Small Cap Stock Fund, Inc., a Maryland corporation,
hereby agree to file jointly the statement on Schedule 13G to which this Agreement is attached, and any amendments thereto which
may be deemed necessary, pursuant to Regulation 13D-G under the Securities Exchange Act of 1934.
It is understood and agreed that each of the
parties hereto is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and
accuracy of the information concerning such party contained therein, but such party is not responsible for the completeness or
accuracy of information concerning the other party unless such party knows or has reason to believe that such information is inaccurate.
It is understood and agreed that a copy of
this Agreement shall be attached as an exhibit to the statement on Schedule 13G, and any amendments hereto, filed on behalf of
each of the parties hereto.
Dated: February 14, 2013 Dated: February 14, 2013
T. ROWE PRICE SMALL CAP T. ROWE PRICE ASSOCIATES, INC.
STOCK FUND, INC.
By: /s/ David Oestreicher By: /s/ David Oestreicher
David Oestreicher, David Oestreicher,
Vice President Vice President