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In June 2017, Seabridge acquired a 100% interest in the Snowstorm Project from Paulson & Co. by issuing 700,000 Seabridge common shares plus 500,000 common share purchase warrants exercisable for four years at $15.65 per share. In addition, Seabridge has agreed to pay Paulson (i) a conditional cash payment of US$2.5 million if exploration activities at Snowstorm result in defining a minimum of five million ounces of gold resources compliant with National Instrument 43-101; and (ii) a further cash payment of US$5.0 million on the delineation of an additional five million ounces of gold resources.

Notes
The scientific and technical information in respect of the KSM Project herein was derived from the technical Report entitled KSM (Kerr – Sulphurets – Mitchell) Prefeasibility Study and Preliminary Economic Assessment dated effective August 8, 2022. This information was prepared by leading consulting firms and their Qualified Persons (as defined in NI 43-101), all of who are independent of Seabridge and are listed below along with their areas of responsibility:
(i) Tetra Tech, Inc. under the direction of Hassan Ghaffari P.Eng (surface infrastructure, capital estimate and financial analysis), John Huang P.Eng. (metallurgical testing review, permanent water treatment, mineral process design and operating cost estimation for process, general and administrative (“G&A”) and site services, and overall report preparation)
(ii) Wood Canada Limited, under the direction of Henry Kim P.Geo. (Mineral Resources)
(iii) Moose Mountain Technical Services under the direction of Jim Gray P.Eng. (open pit Mineral Reserves, open pit mining operations, mine capital and mine operating costs, MTT and rail ore conveyance design, tunnel capital costs)
(iv) N. Brazier Associates Inc. under the direction of W.N. Brazier P.Eng. (Electrical power supply, energy recovery plants)
(v) ERM Consultants Canada Ltd. under the direction of Rolf Schmitt P.Geo. (environment and permitting)
(vi) Klohn Crippen Berger Ltd. under the direction of David Willms P.Eng (design of surface water diversions, diversion tunnels, tailing management facility, water treatment dam and RSF and tunnel geotechnical)
(vii) BGC Engineering Inc. under the direction of Derek Kinakin P.Geo., P.L.Eng., P.G. (rock mechanics, geohazards and mining pit slopes)
(viii) WSP Golder Inc., under the direction of Ross Hammett P.Eng (Block Cave mining)