June 11, 2003

Courageous Lake Gold Resource Increases by 32%
Recent Studies Warrant Lower Cut-off Grade for Resource Disclosure

Toronto (Canada) — Seabridge Gold announced today that, based on independent analysis, the total gold resource at its 100% owned Courageous Lake deposit has been increased 32% to 7.5 million ounces (see table below for resource classification) from a previously reported 5.7 million ounces (see news release dated July 18, 2002). The resource increase is due to a reduction in the estimated cut-off grade from 1.5 grams of gold per tonne to 1.0 gram, reflecting favorable preliminary reports on mining and metallurgy.

Courageous Lake Gold Resources at 1.0 gram per tonne cut-off

Measured Indicated Inferred
Tonnes
(000's)
Grade
(g/T)
Ounces
(000's)
Tonnes
(000's)
Grade
(g/T)
Ounces
(000's)
Tonnes
(000's)
Grade
(g/T)
Ounces
(000's)
1,860 3.11 186 46,103 2.02 2,994 65,094 2.07 4,332

In July 2002, Resource Modeling Inc. (RMI) prepared a Technical Report on Seabridge¬s Courageous Lake Project located in the Northwest Territories, Canada. In the Technical Report, RMI calculated and stated a gold resource estimate for the project in compliance with National Instrument 43-101, based on a cut-off grade of 1.5 grams of gold per tonne which RMI deemed appropriate at that time.

Subsequent to the RMI Technical Report, in late 2002, Hatch was commissioned to undertake a scoping study which will determine the economic viability of the Courageous Lake project. The scoping study is scheduled for completion during the 1st quarter of 2004. Preliminary reports have been completed on key mining and metallurgical issues relating to Courageous Lake. RMI has reviewed these reports and provided an opinion the gold resources at Courageous Lake can be restated for public resource disclosure under National Instrument 43-101 incorporating a cut-off grade of 1.0 gram of gold per tonne. The resource estimate provided herein was calculated by RMI using a 1.0 gram cut-off.

Seabridge President and CEO Rudi Fronk said the Company has recently completed a technical review of the Courageous Lake project and “we are increasingly confident of the prospects for a viable, large-scale gold operation. We believe that Courageous Lake is one of the 15 largest undeveloped gold deposits in the world and it is located in one of the most favorable political and regulatory jurisdictions, giving it a substantial advantage. Furthermore, we own about 80% of the entire Courageous Lake ¥ Matthews Lake Greentone Belt which hosts our deposit. These belts have typically yielded more than 20 million ounces of gold elsewhere in Canada. This project will therefore increasingly be our focus at Seabridge over the next several years.”

On June 9, 2003 the Company announced that it has initiated a 12 month, $1.6 million exploration program at Courageous Lake. The program is designed to: (1) collect a 1,000 kilogram metallurgical sample; (2) evaluate the potential for expanding the known deposit and finding other similar deposits; and (3) define drill targets using proven geological and geophysical tools. In advance of this program, Seabridge has staked an additional 25,000 acres of highly prospective ground bringing its total land position on the Courageous Lake-Matthews Lake Greenstone Belt to approximately 62,000 acres covering more than 50 kilometres of strike.


Seabridge has been designed to provide its shareholders maximum leverage to the price of gold. The Company has acquired a 100% interest in eight North American gold projects which collectively contain an estimated 8.74 million ounces of resources in the measured and indicated categories (250.1 million tonnes grading 1.09 grams of gold per tonne) plus an additional estimated 6.83 million ounces of resources in the inferred category (201.0 million tonnes grading 1.06 grams of gold per tonne). (See Gold Resources Table and press releases dated June 11, 2003, July 18, 2002, April 17, 2002, April 15, 2002, andJune 14, 2001). The Company continues to seek expansion of its gold resource base by acquisition of new projects and exploration programs largely funded by partners.

All resource estimates reported in this disclosure are 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.

Statements relating to the estimated or expected future production and operating results and costs and financial condition of Seabridge, planned work at the Company¬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 Company¬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 Company¬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 Company¬s Annual Information Form filed with SEDAR (available at www.sedar.com) for the year ended December 31, 2002.

Forward-looking statements are based on the beliefs, estimates and opinions of the Company¬s management or its independent professional consultants on the date the statements are made. Seabridge undertakes no obligation to update these forward-looking statements if such beliefs, estimates or opinions or other factors should change.

ON BEHALF OF THE BOARD

"Rudi Fronk,"
President & C.E.O.


For further information please contact:
Rudi P. Fronk, President and C.E.O.
Tel: (416) 367-9292 Fax: (416) 367-2711
Email: info@seabridgegold.net


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