Mr. Jason Barnard reports

RIO GRANDE RESOURCES PARTNERS WITH LFG EQUITIES TO BOOST INVESTOR AWARENESS

Rio Grande Resources Ltd. has entered into a marketing services agreement with LFG Equities Corp. to enhance investor and market awareness among the global investment community. Under the agreement, LFG will provide comprehensive digital marketing services, including targeted marketing campaigns, inclusive of display ads, search engine optimization, SMS (short messaging service) and newsletter campaigns, social media amplification, paid influencer engagement, and YouTube content creation.

Under the terms of the agreement, LFG will receive $100,000 (U.S.) (plus GST) over the course of the initial three-month term starting on or around Sept. 15, 2025, with $50,000 (U.S.) paid upon signing and the remainder due upon invoice. The initial term may be extended for an additional six-month term at the discretion of the company for $100,000 (U.S.) plus GST. LFG's business address is Suite 402, 9140 Leslie St., Richmond Hill, Ont., L4B 0A9, and can be contacted info@LFGequities.com or at 1-514-651-6929. LFG is an arm's-length party to Rio Grande, has no interest, direct or indirect, in the company or its securities, and has no right or intent to acquire such an interest at this time. However, LFG and its clients may acquire securities of the company in the future. No stock options or other security-based compensation are being granted in connection with this engagement, and there are no performance factors contained in the agreement.

About Rio Grande Resources Ltd.

Rio Grande Resources is a burgeoning mineral exploration company focused on unlocking the high-grade gold and silver potential within its 3,000-acre drill-ready property in the Black Range of Sierra county, New Mexico. The company holds a 100-per-cent interest in the Winston project group, which includes the two patented historical Ivanhoe and Emporia claims, and Little Granite mines, all known for their past production of high-grade precious metals. Rio Grande Resources is led by a team of experienced professionals with expertise in mineral exploration and development, who are targeting large-scale precious metal discoveries within the property's well-documented low-sulphidation epithermal setting.

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