Cameco

One of the World’s Largest Uranium Producers

Cameco is one of the world's largest uranium producers accounting for about 17% of world production. Cameco has controlling interests in a large portfolio of low-cost uranium mines in Canada, the U.S. and Kazakhstan including the world's richest high-grade deposits in northern Saskatchewan.

Cameco has more than 415 million pounds of proven and probable reserves at its producing operations and also has extensive mineral resources. Cameco's uranium mining operations employ innovative technology and have excellent records for safety and environmental performance.

Operating properties include:

Cigar Lake

Location Saskatchewan, Canada
Cameco Ownership 50.025%
End Product Uranium concentrate
Mine Type Underground
Mining Methods Jetboring
Licensed Capacity 18 million pounds per year
Estimated reserves and resources Please see Cameco’s 2016 Annual MD&A
Cigar Lake Virtual Tour

McArthur River / Key Lake

Location Saskatchewan, Canada
Cameco Ownership 69.81% – McArthur River
83.33% – Key Lake
End Product Uranium concentrate
Mine Type Underground
Mining Methods Currently: raiseboring
Pending regulatory approval: blasthole stoping
Under development: boxhole boring
Licensed Capacity Mine and mill: 25 million pounds per year
Reserves, resources and production history Please see Cameco’s 2016 Annual MD&A
Cameco McArthur River Virtual Tour
Cameco Key Lake Virtual Tour

Rabbit Lake

Due to unfavorable market conditions, in 2016 Cameco suspended production and placed the Rabbit Lake facility into safe care and maintenance.

Location Saskatchewan, Canada
Cameco Ownership 100%
End Product Uranium concentrate
Mine Type Underground
Mining Methods Vertical blasthole stoping
Licensed Capacity Mill maximum 16.9 million pounds per year, currently 11 million
Reserves, resources and production history Please see Cameco’s 2016 Annual MD&A
Rabbit Lake

Smith-Ranch Highland (including North Butte)

Due to unfavorable market conditions, in 2016 Cameco suspended new wellfield development at its US operations.

Location Wyoming, USA
Cameco Ownership 100%
End Product Uranium concentrate
Mine Type & Method In situ
Licensed Capacity Wellfields: 3 million pounds per year
Processing plants: 5.5 million pounds per year, including Highland mill
Reserves, resources and production history Please see Cameco’s 2016 Annual MD&A
Smith-Ranch Highland

Crow Butte

Due to unfavorable market conditions, in 2016 Cameco suspended new wellfield development at its US operations.

Location Nebraska, USA
Cameco Ownership 100%
End Product Uranium concentrate
Mine Type & Method In situ
Licensed Capacity Wellfields and processing plant: 2 million pounds per year
Reserves, resources and production history Please see Cameco’s 2016 Annual MD&A
Crow Butte

JV Inkai

Location South Kazakhstan
Cameco Ownership 60%
End Product Uranium concentrate
Mine Type & Method In situ
Licensed Capacity 5.2 million pounds per year (Cameco’s share, 3 million pounds)
Reserves, resources and production history Please see Cameco’s 2016 Annual MD&A
JV Inkai
One ton of natural uranium can produce more than 40 million kilowatt-hours of electricity. This is equivalent to burning 16,000 tons of coal or 80,000 barrels of oil.