KIRKLAND LAKE GOLD ADDED TO S&P/TSX COMPOSITE INDEX

Kirkland Lake Gold Inc., an operating and exploration gold mining company located in Ontario, Canada, is pleased to announce it has been added to the S&P/TSX Composite Index effective at market open on Monday, December 20, 2010.

Mr. Harry Dobson, Chairman, commented, “We are pleased to learn of Kirkland Lake Gold’s inclusion in the S&P/TSX Composite Index. Over the past year, management has executed our growth plans and I want to take this opportunity to thank all employees for their hard word and contributions. We continue to work towards our goal of becoming an intermediate gold producer, completing in the process many milestones and establishing a solid foundation for future growth. The S&P/TSX Composite Index is a key performance benchmark and we welcome our inclusion in it.”