Cameco released an update today to its sustainable development report, providing 2012 data for all 31 Global Reporting Initiative (GRI) indicators and four indicators unique to the corporation.

Cameco’s (TSX: CCO; NYSE: CCJ) new North Butte in situ uranium mine in Campbell County, Wyoming, began production today.

Smith Ranch-Highland has earned the Cameco Innovation Award for successfully reducing selenium levels in mine effluent.

Crow Butte has earned the Mary-Jean Mitchell Green Award for safety performance, Cameco Corporation's highest annual safety honor among its global operations.

The report measures Cameco's sustainability performance on 31 Global Reporting Initiative (GRI) indicators and four indicators unique to the corporation. The report also describes Cameco's approach to corporate social responsibility and provides examples detailing our performance.