Minera Alamos Announces Positive Pre-Feasibility Study for the Copperstone Gold Project in Arizona

Board of Directors Approves Fast-Track Construction Toronto, Ontario--(Newsfile Corp. - May 27, 2026) - Minera Alamos Inc. (TSXV: MAI) (OTCQX: MAIFF) ("Minera Alamos" or the "Company") is pleased to announce the results of a pre-feasibility study (the "PFS") on its 100%-owned, past-producing Copperstone project ("Copperstone" or the "Project") located in La Paz County, Arizona, USA. A technical report for the Copperstone PFS is being prepared in accordance with National Instrument 43-101 ("NI 43-101") and will be filed under the Company's profile on SEDAR+ and on the Company's website within 45 days of this news release.