| 1979 |
McClean orebody discovered. |
| 1982 |
JEB orebody discovered. |
| 1985 – 1990 |
Sue A, B, & C orebodies discovered |
| 1991 |
Environmental Assessment begins under join federal-provincial processes. |
| 1995 |
Mining of JEB pit begins. |
| 1995 – 1998 |
JEB mill construction. |
| 1999 |
Operating license issued for mill & Tailings Management Facility (6 million lbs/yr). Yellowcake production begins. |
| 2000 |
McClean Lake becomes the first uranium operation in North America to receive ISO 14001 certification for its environmental management system. |
| 2001 |
McClean Lake license renewed and amended for higher production (8 million lbs/yr). |
| 2005 |
McClean Lake license renewed and amended to expand JEB mill. Sue A & Sue E open pit mining begins. |
| 2006 |
Open pit mining completed at Sue A. |
| 2007 |
McClean Lake produces its 50 millionth pound of yellowcake. |
| 2008 |
Mining of Sue E completed. Mining of Sue B begins. McClean Lake is the first uranium operation in North America to eceive OHSAS 18001 certification for its occupational health and safety management. |
| 2009 |
Sue B completed mining. McClean Lake operating licence renewed until June 30, 2017. |
