TSX: CCO	CDN $26.44	0.11
NYSE: CCJ	US $25.11	0.10

McARTHUR RIVER

Summary

World's largest, high-grade uranium deposit with proven and probable reserves of 335.2 million pounds U₃O₈ (Cameco's share – 234 million pounds)
average ore grade of 19.5% U₃O₈
operated by Cameco
ore milled at the Key Lake operation, 80-kilometres southwest by road
the McArthur River and Key Lake operations together employ approximately 750 people
production capacity of 18.7 million pounds U₃O₈ annually - ore from McArthur is blended for processing with low-grade ore in stockpile at Key Lake
achieved International Standards Organization (ISO 14001) Certification in 2003
Total production from 2000 to 2009 - 171.2 million pounds (McArthur River/Key Lake)
Cameco's share of 2009 production was 13.3 m lbs U₃O₈