Seabridge Gold Inc.
TSX : SEA
NYSE Alternext US : SA

Seabridge Gold Inc.

December 17, 2008 13:15 ET

Seabridge Gold to be Added to S&P/TSX Global Gold and Global Mining Indices

TORONTO, CANADA--(Marketwire - Dec. 17, 2008) - Seabridge Gold (TSX:SEA)(NYSE ALTERNEXT US:SA) announced today that its common shares will be added to the S&P/TSX Global Gold Index and Global Mining Index effective at the open of trading on Monday December 22, 2008.

Seabridge President and CEO Rudi Fronk said the decision by the S&P/TSX "reflects the successful evolution of our asset base and should help to improve the liquidity of our shares".

Seabridge holds a 100% interest in several North American gold resource projects. The Corporation's principal assets are the KSM property in British Columbia, one of the world's largest undeveloped gold/copper projects, and the Courageous Lake gold project located in Canada's Northwest Territories. For a breakdown of the Corporation's mineral resources by project and resource category please visit the Corporation's website at http://www.seabridgegold.net/resources.php.

All resource estimates reported by the Corporation were calculated in accordance with the Canadian National Instrument 43-101 and the Canadian Institute of Mining and Metallurgy Classification system. These standards differ significantly from the requirements of the U.S. Securities and Exchange Commission. Mineral resources which are not mineral reserves do not have demonstrated economic viability.

Statements relating to the estimated or expected future production and operating results and costs and financial condition of Seabridge, planned work at the Corporation's projects and the expected results of such work are forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by words such as the following: expects, plans, anticipates, believes, intends, estimates, projects, assumes, potential and similar expressions. Forward-looking statements also include reference to events or conditions that will, would, may, could or should occur. Information concerning exploration results and mineral reserve and resource estimates may also be deemed to be forward-looking statements, as it constitutes a prediction of what might be found to be present when and if a project is actually developed. These forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable at the time they are made, are inherently subject to a variety of risks and uncertainties which could cause actual events or results to differ materially from those reflected in the forward-looking statements, including, without limitation: uncertainties related to raising sufficient financing to fund the planned work in a timely manner and on acceptable terms; changes in planned work resulting from logistical, technical or other factors; the possibility that results of work will not fulfill projections/expectations and realize the perceived potential of the Corporation's projects; uncertainties involved in the interpretation of drilling results and other tests and the estimation of gold reserves and resources; risk of accidents, equipment breakdowns and labour disputes or other unanticipated difficulties or interruptions; the possibility of environmental issues at the Corporation's projects; the possibility of cost overruns or unanticipated expenses in work programs; the need to obtain permits and comply with environmental laws and regulations and other government requirements; fluctuations in the price of gold and other risks and uncertainties, including those described in the Corporation's Annual Information Form filed with SEDAR in Canada (available at www.sedar.com) for the year ended December 31, 2007 and in the Corporation's Annual Report Form 20-F filed with the U.S. Securities and Exchange Commission on EDGAR (available at www.sec.gov/edgar.shtml).

Forward-looking statements are based on the beliefs, estimates and opinions of the Corporation's management or its independent professional consultants on the date the statements are made.

ON BEHALF OF THE BOARD

Rudi Fronk, President & C.E.O.

For Seabridge Gold investor relations needs, investors can visit the Seabridge Gold IR Hub at http://www.agoracom.com/ir/seabridge where they can post questions and receive answers within the same day, or simply review questions and answers posted by other investors. Alternatively, investors are able to e-mail all questions and correspondence to sea@agoracom.com where they can also request addition to the investor e-mail list to receive all future press releases and updates in real time.

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