X0304 4 2011-10-05 1 0000790730 AMERON INTERNATIONAL CORP AMN 0001431325 NOWAK MARK J 245 SO. LOS ROBLES AVENUE PASADENA CA 91101 0 1 0 0 VP, Special Projects Common Stock 2011-10-05 4 D 0 2999 D 0 D Common Stock 2011-10-05 4 D 0 1004 D 0 I See footnote Common Stock 2011-10-05 4 D 0 2183 D 0 D Shares of Restricted Stock, which were cancelled in the Merger (the "Merger") pursuant to the Agreement and Plan of Merger, dated July 1, 2011, by and among Ameron International Corporation, National Oilwell Varco, Inc. and NOV Sub A, Inc. (the "Merger Agreement") in exchange for a cash payment of $85.00 (the "Merger Consideration"). Shares of Common Stock were converted into the right to receive the Merger Consideration pursuant to the Merger Agreement. Includes 1,004 shares of Common Stock held in trust under the Ameron International Corporation 401(k) Plan. /s/ Cynthia A. Iwasaki, Power of Attorney 2011-10-07