Mr. Arturo Prestamo Elizondo reports

SANTACRUZ SILVER ANNOUNCES SEPTEMBER 21, 2026 TRADING DATE ON THE TORONTO STOCK EXCHANGE

Santacruz Silver Mining Ltd. will be graduating to the Toronto Stock Exchange (the TSX) effective at market open on Sept. 21, 2026. Following the graduation from the TSX Venture Exchange to the TSX, the common shares of the company will continue to trade under the current ticker symbol SCZ.

Arturo Prestamo Elizondo, executive chairman and chief executive officer, commented: "Graduating to the Toronto Stock Exchange will mark a significant milestone in Santacruz's journey. Since first listing on the TSX Venture Exchange more than a decade ago, we have transformed the company into a stronger, more diversified business. This milestone also underscores the execution of our long-term strategy and our commitment to creating sustainable shareholder value. As we continue executing our growth strategy, we believe a TSX listing will enhance our profile, improve access to institutional capital and help advance our goal of becoming a leading Latin American silver and zinc producer."

Following the uplisting to the TSX, the common shares will no longer trade through the facilities of the TSX-V and will be voluntarily delisted from the TSX-V after market close on Friday, Sept. 18, 2026. Shareholders are not required to exchange their direct registration system advices, share certificates or warrant certificates, or to take any other action in connection with the TSX uplisting.

The company will remain a reporting issuer under applicable Canadian securities laws through the listing transition process from the TSX-V to the TSX. The common shares will continue to be listed on the Nasdaq Capital Market under the symbol SCZM. The company's Cusip number and ISIN for the common shares will remain 80280U205 and CA80280U2056, respectively.

About Santacruz Silver Mining Ltd.

Santacruz Silver is engaged in the operation, acquisition, exploration and development of mineral properties across Latin America. In Bolivia, the company operates the Bolivar, Porco and Caballo Blanco mining complexes, with Caballo Blanco comprising the Tres Amigos and Colquechaquita mines. The Reserva mine, whose production is provided to the San Lucas ore sourcing and trading business, is also located in Bolivia. Additionally, the company oversees the Soracaya exploration project. In Mexico, Santacruz operates the Zimapan mine.

We seek Safe Harbor.