Updated information as of February 3, 2009:

On Friday, February 13, 2009, Cameco Corporation will issue its news release summarizing the fourth quarter and annual 2008 results. In addition, we will post on this website the 2008 annual audited financial statements with the accompanying notes as well as supplementary financial information for the fourth quarter. Our 2008 annual management discussion and analysis will be posted on this website by Tuesday, February 17, 2009 before markets open.

Saskatoon, Saskatchewan, January 20, 2009

Cameco Corporation will issue its news release summarizing the fourth quarter and full year 2008 results, unaudited financial statements and accompanying notes after markets close on Friday, February 13, 2009.

Cameco invites investors and the media to join its fourth quarter conference call with the company's senior executives on Tuesday, February 17, 2009 at 10:00 a.m. Eastern time. Management will discuss the financial results, the outlook for 2009 and company developments before opening the call to questions from investors and the media.

To join the call, please dial (416) 641-6133 or (866) 540-8136 (Canada and US). An operator will put your call through. A live audio feed of the conference call will be available from a link on our website at cameco.com on the day of the call. The annual management's discussion and analysis, annual financial statements and accompanying notes will be available on our website on Monday, February 16, 2009.

A recorded version of the proceedings will be available on this website, shortly after the call, and on post view until midnight, Eastern time, Monday, March 16, 2009 by calling (416) 695-5800 or (800) 408-3053 (passcode 3281031#).

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.

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