Mr. Jason Barnard reports

RIO GRANDE RESOURCES ENGAGES MACHAI CAPITAL FOR INVESTOR OUTREACH

Rio Grande Resources Ltd. has retained Machai Capital Inc. to provide the company with digital marketing and investor outreach services.

Under the agreement, Machai will provide digital marketing services to the company, including branding, content and data optimization, search engine optimization, and social media and e-mail marketing. The agreement has an initial term of three months, commencing on Sept. 11, 2026. After the initial term, the agreement will automatically be renewed on a month-to-month basis and may be cancelled with five days notice without penalty. During the initial term of three months, the company has agreed to pay $100,000 on execution of the agreement.

Machai is a premier data analytics and direct awareness firm with an established record in the North American, European and Asia-pacific markets focused on the metals and mining, technology and special situations sectors. Machai is arm's-length to the company. Machai beneficially owns 197,600 common shares of the company. Machai can be contacted at suneal@machaicapital.com or at 101, 17565 58 Ave., Surrey, B.C., V3S 4E3, Canada.

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.

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