Cameco Provides Date for Q1 Results and Conference Call

ALL AMOUNTS ARE STATED IN CDN $ (UNLESS NOTED)

Cameco (TSX:CCO) (NYSE:CCJ) will issue its first quarter results before markets open on Tuesday, May 1, 2012.

Cameco invites investors and the media to join its first quarter conference call with the company's senior executives on Tuesday, May 1, 2012 at 1:00 p.m. Eastern.

Cameco will discuss the financial results and company developments before opening the call to questions from investors and the media.

To join the call, please dial [phone] (Canada and US) or [phone]. An operator will put your call through. A live audio feed of the conference call will be available from a link on cameco.com.

A recorded version of the proceedings will be available on our website, shortly after the call, and on post view until midnight, Eastern, June 1, 2012, by calling [phone] (Canada and US) or [phone] (Passcode 7348055#).

Profile

Cameco, with its head office in Saskatoon, Saskatchewan, is one of the world's largest uranium producers. 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.

As used in this news release, "Cameco" or the "company" means Cameco Corporation, a Canadian corporation and its subsidiaries and affiliates unless stated otherwise.

Contacts: Cameco Investor inquiries: Bob Lillie [phone] Media inquiries: Gord Struthers [phone]