Decision to Issue Construction Permits for Seabridge Gold's KSM Mitchell Treaty Tunnels Delayed

Toronto, Ontario--(Newsfile Corp. - April 10, 2026) - Seabridge Gold Inc. (TSX: SEA) (NYSE: SA) ("Seabridge" or the "Company") announces today that it has received a letter from the Ministry of Mining and Critical Minerals of British Columbia (the "Ministry") advising that a decision to issue permit amendments for construction and operation of the Mitchell Treaty Tunnels ("MTT") over their full length (the "MTT Authorization") has been delayed. The MTT are an important infrastructure component of the KSM Project consisting of two parallel tunnels connecting the mining operations in the Mitchell Valley with the processing operations in the Treaty Valley.