All monetary amounts are expressed in Canadian dollars, unless otherwise indicated.

Toronto, Ontario, December 19, 2025 – Highlander Silver Corp. (TSX: HSLV) (“Highlander Silver”) and Bear Creek Mining Corporation (TSXV: BCM) (OTCQX: BCEKF) (BVL: BCM) (“Bear Creek”) are pleased to announce that they have entered into a definitive agreement (the “Arrangement Agreement”) whereby Highlander Silver and Bear Creek have agreed to combine their respective businesses by way of a plan of arrangement under the Business Corporations Act (British Columbia) (the “Arrangement”). The combined company will be managed by the Highlander Silver executive team, supported by key Bear Creek personnel.

Corporate Highlights

Creates a leading growth company in the silver sector by adding the Corani silver project (the “Corani Project”), one of the largest primary silver deposits in the world, to a foundation supported by the bonanza grade San Luis gold-silver project
Leading management team with proven expertise in delivering rapid growth while advancing projects in South America in partnership with community and government stakeholders
Combined company’s strong shareholder base includes global institutions and strategic shareholders, Augusta Capital, the Lundin family and Eric Sprott; Highlander’s balance sheet remains well-capitalized and debt free post-transaction
Flagship Assets

San Luis Gold-Silver Project – Ancash, Peru

Hosts Indicated Mineral Resources of 356 koz gold (“Au”) at 24.4 g/t Au and 8.4 Moz silver (“Ag”) at 579 g/t Ag, ranking among the 10 highest grade projects globally in both gold and silver categories
Rapidly growing Bonita zone discovery has returned robust drilling results, recently including 23.9m of 20.82 g/t Au and 31.53 g/t Ag (BOD-023); 23.6m of 15.56 g/t Au and 74.49 g/t Ag (BOD-021); 23.4m of 11.70 g/t Au and 26.10 g/t Ag (BOD-022)1

see & read more on
https://bearcreekmining.com/news/highlander-silver-and-bear-creek-mining-combine-to-createleading-growth-company-in-the-silver-sector/