| 2007 | CNSC grants five-year licence renewal | |
| 2006 | applied to CNSC for five-year licence renewal | |
| 2006 | increased community outreach program | |
| 2000 | received certification under the ISO 14001 program, an internationally recognized standard for environmental management systems | |
| 1988 | began selling natural UO2 to light water fuel fabricators for use as blanket fuel | |
| 1984 | commissioned new UF6 conversion plant | |
| 1983 | shut down UO3 refinery with completion of Blind River UO3 refinery | |
| 1980 | constructed UO2 plant | |
| 1970 | began production of UF6 for light water reactors | |
| 1962 | began production of UO2 for the Canadian nuclear energy program | |
| 1955 | refinery converted to produce nuclear grade uranium trioxide (UO3) | |
| 1935 | began production of radium (main product) and uranium (byproduct) | |
| 1932 | began construction of radium extraction facility |