Minera Alamos Inc. (TSX-V: MAI) (OTCQX: MAIFF) is pleased to announce that, further to the transactions disclosed in its news release dated March 31, 2026, the Company has provided its notice of intent to exercise its option to repurchase a portion of the net smelter return royalty equal to 0.75% on the Cerro de Oro project located in northern Zacatecas, Mexico from Auramet Capital Partners, L.P. for a purchase price of US$4.5 million.

The repurchase of the royalty pursuant to the Royalty Option Repurchase is a condition to the closing and funding of the Company’s proposed revolving credit facility with The Bank of Nova Scotia and National Bank of Canada, previously announced in the March News Release, and is required in connection with the establishment of the related security package for the Revolver. Further details regarding the Revolver are set out in the March News Release.

In connection with the Royalty Option Repurchase, the Company has entered into an agreement with Auramet pursuant to which the US$4.5 million purchase price will be satisfied through the issuance to Auramet of 895,572 common shares of the Company at a price of C$6.91 per share, subject to the approval of the TSX Venture Exchange.

About Minera Alamos

Minera Alamos is a growing North American gold production and development company with projects in Nevada, Arizona, and Mexico. The Company owns the Pan Operating Complex in White Pine County, Nevada, comprised of the producing Pan mine and the adjacent permitted Gold Rock project, as well as the nearby past-producing Illipah project.

The Company also owns the Copperstone project in La Paz County, Arizona, a permitted, advanced underground gold project. The Company maintains a portfolio of high-quality Mexican assets, including the Cerro de Oro project, an open pit heap leach gold development project in northern Zacatecas.

The Company’s strategy is to become a leading, U.S.-focused intermediate gold producer by growing production at its Pan Operating Complex and developing its pipeline of high-quality, low-capital projects while expanding gold resources across its portfolio.

The Company announced a proposed name change to Mining Americas Inc., subject to the approval of its shareholders at the Company’s Annual General Meeting on June 25, 2026 and the TSX Venture Exchange. Refer to the Company’s news release dated May 11, 2026 for more details.

For Further Information Please Contact:  

Darren Blasutti, CEO

416-306-0990 ext 208

dblasutti@mineraalamos.com

David Stewart, VP Corporate Development & Capital Markets

+1-647-294-8361

dstewart@mineraalamos.com

Website: www.mineraalamos.com