Cigar Lake

- Cigar Lake is the world's highest grade uranium mine and is located in northern Saskatchewan, Canada.
- Since commissioning in 2014, the site has produced a total of 155.4 million pounds (100% basis). Commercial operation began in May 2015.
- As the operator, Cameco developed an innovative jet-boring technique specifically for this challenging deposit.
- Cigar Lake's ore is processed 70 km northeast, at the McClean Lake mill, operated by Orano.
Operation


Production
2025 Q1 Update
- Production
Cigar Lake Production
Cameco's Share (million lbs)Three months ended March 31 2025 2024 Change 2025 Plan 2.8 2.3 22% 9.8 Total packaged production from Cigar Lake was 5.0 million pounds (2.8 million pounds our share) in the first quarter of 2025 compared to 4.2 million pounds (2.3 million pounds our share) in the first quarter of 2024 due to better availability of mill assets in 2025.
We continue to expect production of up to 18 million pounds (9.8 million pounds our share) in 2025.
The annual maintenance outage at Cigar Lake will take place in the third quarter, which is similar timing to previous years.
Environment & Safety
Worker safety, protection of the environment and proper decommissioning after mining is completed, are of the utmost importance to Cameco.
Reserves & Resources
Our mineral reserves and resources are the foundation of our company and fundamental to our success.
Caution about Forward-Looking Information
This page may contain forward-looking information that is based upon the assumptions and subject to the material risks discussed on page 2 of Cameco's most recent Quarterly MD&A.