Cameco Reports Document Filings

Saskatoon, Saskatchewan, Canada, March 28, 2018

Cameco (TSX: CCO; NYSE: CCJ) reported today that it filed its annual report on Form 40-F with the US Securities and Exchange Commission. The document includes Cameco’s audited annual financial statements for the year ended December 31, 2017, its management’s discussion and analysis (MD&A), and its Canadian annual information form (AIF).

In addition, Cameco filed with Canadian securities regulatory authorities its AIF. Its audited annual financial statements for the year ended December 31, 2017, and its MD&A were filed with Canadian securities regulatory authorities in February 2018.

All of these documents are posted on our website. 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: 306-956-6340

On April 6, 2018, Cameco plans to post on its website the management proxy circular that is being distributed to shareholders of record as of March 19, 2018 for its annual meeting of shareholders on May 16, 2018.

Profile

Cameco is one of the world’s largest uranium producers, a significant supplier of conversion services and one of two Candu fuel manufacturers in Canada. Our competitive position is based on our controlling ownership of the world’s largest high-grade reserves and low-cost operations. Our uranium products are used to generate clean electricity in nuclear power plants around the world. Our shares trade on the Toronto and New York stock exchanges. Our head office is in Saskatoon, Saskatchewan.

Investor inquiries:
Leah Hipperson
306-385-5524

Media inquiries:
Carey Hyndman
306-956-6317