ALAMOS GOLD INC

Alamos is a mining company engaged in the mining and extraction of, and exploration for, precious metals, primarily gold. Alamos owns and operates the Island Gold District (comprised of the Island Gold mine (referred to herein as the Island Gold Mine or Island Gold ) and Magino mine (referred to herein as the Magino Mine or Magino ), (together, referred to herein as the Island Gold District ), the Young-Davidson mine (referred to herein as the Young-Davidson Mine or Young-Davidson ), in Ontario, Canada, and the Mulatos District (includes the Mulatos and La Yaqui Grande mines), (referred herein as the Mulatos District or Mulatos ) in the state of Sonora, Mexico. In 2025, the Island Gold District produced 250,400 ounces of gold, the Young-Davidson Mine produced 153,400 ounces of gold, and the Mulatos District produced 141,600 ounces of gold for total gold production in 2025 of 545,400 ounces. Alamos also owns the construction-stage Lynn Lake Gold Project in Lynn Lake, Manitoba (referred to herein as the Lynn Lake Gold Project or Lynn Lake ), and the Qiqavik Gold Project (referred herein as the Qiqavik Gold Project or Qiqavik ), in Nunavik, Quebec . Three-Year History On February 21, 2023, the Company reported its updated Mineral Reserves and Resources as of December 31, 2022, including grades increasing by 3%, reflecting higher grade additions at Island Gold and Mulatos. Mineral Reserve additions more than replaced depletion at a rate of 133%.