SASKATOON, SASKATCHEWAN–( EMWNews – March 31, 2008) –

Cameco Corporation (TSX:CCO) (NYSE:CCJ) reported today that its annual report on Form 40-F has been filed with the US Securities and Exchange Commission (SEC). The document includes Cameco’s audited annual financial statements for the year ended December 31, 2007, a reconciliation of those financial statements to US GAAP, its management’s discussion and analysis, and its Canadian annual information form (AIF). Cameco also filed an updated technical report for the Kumtor gold mine with SEC.

As well, Cameco has filed with Canadian securities regulatory authorities its AIF, the reconciliation of its audited annual financial statements to US GAAP, and the updated technical report for the Kumtor gold mine.

These documents are available on Cameco’s website (cameco.com).

Shareholders may obtain hard copies of these documents, including the financial statements, free of charge by contacting:

Cameco Investor Relations
2121-11th Street West
Saskatoon, SK S7M 1J3
Phone: (306) 956-6894

On April 9, 2008, Cameco plans to post on its website the management proxy circular that is being distributed to shareholders of record as of April 3, 2008 for its annual and special meeting of shareholders on May 15, 2008.

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.