Stock Splits

Cameco has performed two stock splits on its authorized common shares:

2006 Date declared Date of entitlement
2 for 1 January 31, 2006 February 17, 2006

Shares began trading on a split basis on February 15, 2006 on the Toronto Stock Exchange (TSX) and February 23, 2006 on the New York Stock Exchange (NYSE).

2004 Date declared Date of entitlement
3 for 1 December 9, 2004 December 31, 2004

Shares began trading on a split basis on December 29, 2004 on the Toronto Stock Exchange (TSX) and January 27, 2005 on the New York Stock Exchange (NYSE).