X0303 4/A 2010-01-04 2010-01-04 0 0000055805 NORTH AMERICAN GALVANIZING & COATINGS INC NGA 0001084484 HENRY JANICE K 5314 S YALE AVENUE SUITE 1000 TULSA OK 74135 1 0 0 0 Common Stock, $.10 par 2010-01-04 4 A 0 5198 A 29738 I By the Company's Director Stock Unit Trust Common Stock, $.10 par 26666 D Director compensation earned in 2010 plus a matching amount from the company was deferred under the director stock unit program. The deferred amounts were converted into the right to receive 5,198 shares of the company stock on or shortly after January 1, 2016. Correction of Table 1, Item 5 amount of securities beneficially owned following reported transaction. /s/ Janice K. Henry, by Beth B. Pulley, Attorney-in-fact 2010-01-04