Cameco Announces Filing of a Technical Report for the

Cameco Announces Filing of a Technical Report for the McArthur River
SASKATOON, SASKATCHEWAN -- (Marketwire) -- 11/02/12 --  
Cameco (TSX:CCO) (NYSE:CCJ) announced today that it filed a technical
report under Canadian Securities Administrators' National Instrument
43-101 Standards of Disclosure for Mineral Projects for its McArthur
River operation in Northern Saskatchewan titled "McArthur River
Operation, Northern Saskatchewan, Canada" dated November 2, 2012,
with an effective date of August 31, 2012. 
The technical report is posted on our website at
Shareholders may obtain hard copies of the technical report free of
charge by contacting: 
Cameco Investor Relations 
2121 11th Street West 
Saskatoon, SK S7M 1J3 
Phone: (303) 956-6340 
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
As used in this news release, "Cameco" or the "company" means Cameco
Corporation, a Canadian corporation and its subsidiaries and
affiliates unless stated otherwise.
Investor inquiries:
Rachelle Girard
(306) 956-6403 
Media inquiries:
Rob Gereghty
(306) 956-6190
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