Insider: Elizabeth Jean Williamson

Issuer Name: Cameco Corporation
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
2010051010 May, 10 2010030101 Mar, 10 Direct Ownership : Options (Common Shares) 50 - Grant of options 3,222 0 20,226
2010030404 Mar, 10 2010030101 Mar, 10 Direct Ownership : Options (Common Shares) 50 - Grant of options 3,222 0 0
2010011515 Jan, 10 2009123131 Dec, 09 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 287 26.24 2,470
2009032323 Mar, 09 2009031616 Mar, 09 Direct Ownership : Options (Common Shares) 50 - Grant of options 2,700 0 17,004
2009011616 Jan, 09 2008123131 Dec, 08 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 164 30.72 2,183
2008060202 Jun, 08 2008052727 May, 08 Direct Ownership : Common Shares 00 - Opening Balance-Initial SEDI Report 0 0 2,019
2008060202 Jun, 08 2008052727 May, 08 Direct Ownership : Options (Common Shares) 00 - Opening Balance-Initial SEDI Report 0 0 14,304
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance