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KIRKLAND LAKE, ONTARIO--(Marketwire - Dec. 13, 2010) - Kirkland Lake Gold Inc. ('Kirkland Lake Gold' or the 'Company') (TSX:KGI)(AIM:KGI), 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."



About S&P/TSX Composite Index




The S&P/TSX Composite is the headline index for the Canadian equity market. It is the broadest in the S&P/TSX family and is the basis for multiple sub-indices including but not limited to equity indices, Income Trust Indices, Capped Indices, GICS Indices and market cap based indices. The Toronto Stock Exchange (TSX) serves as the distributor of both real-time and historical data for this index.



About Kirkland Lake Gold Inc.



Kirkland Lake Gold Inc. is an operating and exploration gold mining company located in Ontario, Canada. It purchased the Macassa Mine and the 1,500 ton per day mill along with four former producing gold properties - Kirkland Lake, Teck-Hughes, Lake Shore and Wright Hargreaves - in December 2001. These properties, which have historically produced some 22 million ounces of gold, extend over seven kilometres between the Macassa Mine on the west and Wright Hargreaves on the east and, for the first time, are being developed and explored under one owner. This camp is located in the Southern Abitibi Greenstone Belt of Kirkland Lake, Ontario, Canada. The Company's corporate goal is to expand its gold reserves and reduce its operating costs to become a profitable gold producer.


The Company's common shares trade on the TSX (Toronto Stock Exchange) and on the AIM (Alternative Investment Market) of the London Stock Exchange.


The Company's senior management and Board of Directors have extensive experience in the natural resource and mining sectors that include exploration, mining and marketing, as well as experience in the legal and corporate finance areas.