First Majestic Silver Corp. (NYSE: AG) (TSX: AG) (FSE: FMV) is pleased to announce that it has entered into a definitive agreement dated July 6, 2026 to sell its 100%-owned past producing San Martin Silver Mine located 250 kilometres north of Guadalajara city in Jalisco State, Mexico, in the San Martin de Bolaños mining district, to Flextronics Supply and Service, S. de R.L. de C.V, a private Mexican company, for total cash consideration of US$90 million, comprised of upfront consideration of US$2.5 million payable upon closing of the Transaction (US$500,000 of this amount has already been deposited into escrow as a deposit), and an additional US$87.5 million in future payments.

TRANSACTION DETAILS

The Agreement provides that, subject to satisfaction and waiver of certain conditions described below, Flextronics will acquire all of the issued and outstanding shares of Minera El Pilon, S.A. de C.V. a wholly-owned subsidiary of First Majestic incorporated under the laws of Mexico that holds a 100% interest in San Martin. The acquisition also includes the Jalisco Group of Properties, consisting of 5,245 hectares of mining concessions owned by El Pilon, and located in the municipalities of Etzatlán and Tototlán, Jalisco. In exchange, Flextronics is required to make the following payments to First Majestic:

• US$2.5 million in cash at closing (US$500,000 of this amount has already been deposited into escrow as a deposit);
• US$2.5 million in cash within 180 days of closing;
• US$10 million in cash on each anniversary date of closing, commencing on the first anniversary of closing and continuing each subsequent anniversary thereafter until and including the fifth anniversary date of closing (by which time, a total of $US50.0 million in anniversary payments would have been paid);
• US$35.0 million on August 31, 2032.

Closing of the Transaction is subject to customary closing conditions, as well as Mexican Antitrust approval. First Majestic anticipates that the Transaction will close in the fourth quarter of 2026.

The San Martin Silver Mine is a past producing silver and gold operation that was placed under care and maintenance by First Majestic in July 2019. Flextronics is part of Meridian Capital, a diversified investment group focused on the mining and oil & gas sectors, with development projects across Mexico, including Sonora and Sinaloa, as well as in Venezuela and Uruguay.

ABOUT FIRST MAJESTIC

First Majestic is a publicly traded mining company focused on silver and gold production in Mexico and the United States. The Company presently owns and operates four producing underground mines in Mexico: the Santa Elena Silver/Gold Mine, the Los Gatos Silver Mine (the Company holds a 70% interest in the Los Gatos Joint Venture that owns and operates the mine), the San Dimas Silver/Gold Mine, and the La Encantada Silver Mine, as well as a portfolio of development and exploration assets, including the Jerritt Canyon Gold project located in northeastern Nevada, U.S.A.

First Majestic is proud to own and operate its own minting facility, First Mint, LLC, and to offer a portion of its silver production for sale to the public. Bars, ingots, coins and medallions are available for purchase online at www.firstmint.com, at some of the lowest premiums available.