FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   MITAROTONDA JAMES A 2. Date of Event Requiring Statement (Month/Day/Year) 03/30/2011 3. Issuer Name and Ticker or Trading Symbol AMERON INTERNATIONAL CORP [AMN] (Last) (First) (Middle) C/O BARINGTON CAPITAL GROUP, L.P., 888 SEVENTH AVENUE 17TH FLOOR 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10019 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 124,658 I By Barington Companies Equity Partners, L.P. (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Put Option (obligation to buy)	03/07/2011	04/16/2011	Common Stock	50,000	$ 60	I	By Barington Companies Equity Partners, L.P. (1) (2)
Put Option (obligation to buy)	03/29/2011	04/16/2011	Common Stock	7,100	$ 65	I	By Barington Companies Equity Partners, L.P. (1) (2)
Put Option (obligation to buy)	03/29/2011	05/21/2011	Common Stock	20,000	$ 60	I	By Barington Companies Equity Partners, L.P. (1) (2)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MITAROTONDA JAMES A C/O BARINGTON CAPITAL GROUP, L.P. 888 SEVENTH AVENUE 17TH FLOOR NEW YORK, NY 10019	  X	Â	Â	Â

Signatures

/s/ James A. Mitarotonda		04/04/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The Reporting Person's relationship to Barington Companies Equity Partners, L.P. is described in this footnote. The Reporting Person is the sole stockholder and director of LNA Capital Corp., which is the general partner of Barington Capital Group L.P., which is the majority member of Barington Companies Investors, LLC. Barington Companies Investors, LLC is the general partner of Barington Companies Equity Partners, L.P.
(2)	The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

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