X0304 4 2012-03-09 0 0000008947 AZZ INC AZZ 0001251421 DINGUS DAVID H ONE MUSEUM PLACE, SUITE 500 3100 WEST 7TH STREET FORT WORTH TX 76107 1 1 0 0 Chief Executive Officer COMMON STOCK 2012-03-09 4 M 0 10865 51.34 A 138397 D COMMON STOCK 2012-03-09 4 D 0 3417 51.34 D 134980 D Upon the vesting of restricted stock units on March 1, 2012 granted to the reporting person on March 1, 2009, the reporting person received 10,865 shares of common stock on March 9, 2012. Of the 10865 shares of common stock received on March 9, 2012, the reporting person disposed of 3417 shares of common stock on March 9, 2012 to satisfy tax withholding obligations. DANA PERRY 2012-03-12