0001137171-03-000033 6-K 1 20030203 20030204 TRANSALTA CORP 0001144800 4911 000000000 1231 6-K 34 001-15214 03537181 110 12TH AVE SW BOX 1900 STATION M CALGARY ALBERTA T2P 2MI CALGARY A0 00000 2128948400 110-12TH AVENUE SW CALGARY ALBERTA CANADA A0 6-K 1 f6k0203.htm MATERIAL CHANGE REPORT