Kirkland Lake Gold Inc. Added to S&P/TSX Composite Index

Kirkland Lake, Ontario -- (Marketwire) -- 12/13/10 -- 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.



Cautionary Note Regarding Forward Looking Statements

This Press Release may contain statements which constitute 'forward-looking statements' including statements regarding the plans, intentions, beliefs and current expectations of the Company, its directors, or its officers with respect to the future business activities and operating performance of the Company. The words 'may', 'would', 'could', 'will', 'intend', 'plan', 'anticipate', 'believe', 'estimate', 'expect' and similar expressions, as they relate to the Company, or its management, are intended to identify such forward-looking statements. Investors are cautioned that any such forward-looking statements are not guarantees of future business activities or performance and involve risks and uncertainties, and that the Company's future business activities may differ materially from those in the forward-looking statements as a result of various factors. Such risks, uncertainties and factors are described in the Company's periodic filings with he Canadian securities regulatory authorities, including the Company's Annual Information Form and quarterly and annual Management's Discussion & Analysis, which may be viewed on SEDAR at www.sedar.com. Should one or more of these risks or uncertainties materialize, or should assumptions underlying the forward-looking statements prove incorrect, actual results may vary materially from those described herein as intended, planned, anticipated, believed, estimated or expected. Although the Company has attempted to identify important risks, uncertainties and factors which could cause actual results to differ materially, there may be others that cause results not be as anticipated, estimated or intended. The Company does not intend, and does not assume any obligation, to update these forward-looking statements.

Neither the Toronto Stock Exchange nor the AIM Market of the London Stock Exchange has reviewed and neither accepts responsibility for the adequacy or accuracy of this news release.



Contacts:

Kirkland Lake Gold Inc.
Brian Hinchcliffe, President
+1 705 567 5208
+1 705 568 6444 (FAX)
bhinchcliffe@klgold.com

Kirkland Lake Gold Inc.
Lindsay Carpenter, Director of Investor Relations
+1 416 840 7884
+1 705 568 6444 (FAX)
lcarpenter@klgold.com
www.klgold.com

Pelham Bell Pottinger
Klara Kaczmarek
+44 (0) 20 7337 1524
kkaczmarek@pelhambellpottinger.co.uk
www.pelhambellpottinger.co.uk

Ocean Equities Ltd.
Guy Wilkes
+44 (0) 207 786 4370
guy.wilkes@oceanequities.co.uk
www.oceanequities.co.uk

NOMAD: Panmure Gordon (UK) Ltd
Katherine Roe / Callum Stewart
+44 (0) 20 7459 5744
katherine.roe@panmure.com
www.panmure.com