Defiance Silver Signs Long-Term Access Agreement at Tepal

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Vancouver, British Columbia--(Newsfile Corp. - June 3, 2025) - Defiance Silver Corp. (TSXV: DEF) (FSE: D4E) (WKN: A1JQW5) ("Defiance" or the "Company") is pleased to announce that through its subsidiary, Geologix Mexico S.A. de C.V., it has successfully secured a long-term surface access agreement (the "Agreement") for its 100%-owned Tepal Gold-Copper Project, located in Michoacán, Mexico.

Surface Rights Agreement Highlights
Under the terms of the six-year agreement, the Company has secured the right to conduct surface exploration, drilling, and engineering studies at the Tepal Gold-Copper project.

Chris Wright, Executive Chairman & CEO of Defiance Silver, commented:​

"Securing long-term surface access to the Tepal Project represents a key milestone event for Defiance. This is the first formal agreement with the surface landowner, and it provides the certainty we need to advance our exploration and development work, such as: detailed mapping, sampling, and drilling across the North, South, and Tizate zones, while also evaluating new targets within the broader project area."

Restructured Option to Acquire Royalty at the Tepal Project
Defiance is pleased to announce that it has successfully restructured the option agreement (See News Release dated January 16th, 2023) to acquire the 2.5% Net Smelter Return (NSR) royalty associated with its Tepal Gold-Copper project with the project vendor, Minera Tepal S.A. de C.V. The revised payment schedule for the NSR option agreement is USD$75,000/month starting July 1, 2025 through February 1, 2026, and then USD $150,000/month from July 1, 2026 through September 1, 2027.

Extension of San Acacio Option Payment
Additionally, the Company has secured an extension for the final payment of the option agreement on the San Acacio land package at its Zacatecas Silver-Polymetallic project. Defiance through its wholly owned subsidiary, Minera Santa Remy S.A., has, at the Vendor's request, agreed to extend the term of its option to acquire 100% of the San Acacio property in the Zacatecas district. As a result of this amendment, the scheduled payment due March 31, 2025, has now been changed to June 30, 2026 (See October 31st and December 20th, 2024 news for more details). The amendment was signed by both parties and is pending ratification in the presence of a notary public in Mexico City. There were no changes to the economic terms of the option agreement.

On behalf of Defiance Silver Corp.
"Chris Wright"
Chairman and CEO

For more information, please contact:
Investor Relations
Tel: +1 (604) 343-4677
info@defiancesilver.com
www.defiancesilver.com