Cameco Investor and Media Conference Call Advisory

Cameco Corporation (TSX: CCO) (NYSE: CCJ) is having a conference call at 12:00 p.m. Eastern time (10:00 a.m. Saskatoon time) Monday, March 19, 2007 to discuss the news release issued yesterday announcing Cameco's plans for the Cigar Lake uranium project. The call will be open to all members of the investment community and the media. In order to join the conference call, please dial (416) 695-6120 or (888) 789-0150 (Canada and US). An operator will put your call through.

A recorded version of the proceedings will be available: on our website, cameco.com, shortly after the call, and on post view until midnight, Eastern time, Monday, April 2, 2007 by calling (416) 695-5275 or (888) 509-0081; (Passcode: 641577).

Cameco, with its head office in Saskatoon, Saskatchewan, is the world's largest uranium producer. The company's uranium products are used to generate electricity in nuclear energy plants around the world, providing one of the cleanest sources of energy available today. Cameco's shares trade on the Toronto and New York stock exchanges.