X0303 4 2010-06-25 0 0000055805 NORTH AMERICAN GALVANIZING & COATINGS INC NGA 0000008947 AZZ INC ONE MUSEUM PLACE, SUITE 500 3100 WEST 7TH STREET FORT WORTH TX 76107 0 0 1 1 SUBJECT COMPANY COMMON STOCK 2010-06-25 4 P 0 167999 7.50 A 14117420 I CORPORATE STRUCTURE COMMON STOCK 2010-06-25 4 X 0 987134 7.50 A 14117420 I CORPORATE STRUCTURE STOCK OPTION (RIGHT TO BUY) 7.50 2010-06-25 4 X 0 1 0 D 2010-06-14 2010-06-30 COMMON STOCK 987134 0 I CORPORATE STRUCTURE These shares were purchased through private transactions with individuals that held shares of common stock that constituted restricted shares that vested on June 14, 2010. These shares were purchased and are owned directly by Big Kettle Merger Sub, Inc., which is a wholly owned subsidiary of Arbor-Crowley, Inc., which is a wholly owned subsidiary of AZZ incorporated. Arbor-Crowley, Inc. and AZZ incorporated are indirect beneficial owners of the reported shares. These shares include 326,829 shares of common stock that constituted restricted shares that vested on June 14, 2010 and 660,305 shares of common stock that were held in trust under the North American Galvanizing & Coatings, Inc. Director Stock Unit Program until June 14, 2010, in each case which Big Kettle Merger Sub, Inc. exercised its option to purchase pursuant to the Stockholders Agreement, dated as of March 31, 2010, by and among AZZ incorporated, Big Kettle Merger Sub, Inc. and certain stockholders of North American Galvanizing & Coatings, Inc. The option to purchase these shares was held, and the shares acquired upon exercise of the option are beneficially owned, directly by Big Kettle Merger Sub, Inc., which is a wholly owned subsidiary of Arbor-Crowley, Inc., which is a wholly owned subsidiary of AZZ incorporated. Arbor-Crowley, Inc. and AZZ incorporated are indirect beneficial owners of the reported shares. DANA PERRY 2010-07-01