Mr. Jason Barnard reports

RIO GRANDE RESOURCES ANNOUNCES RESULTS OF FIRST ANNUAL GENERAL MEETING AND RE-APPOINTMENTS

Rio Grande Resources Ltd. has released the voting results for its first annual general meeting of shareholders (AGM) held on May 6, 2026. This marks the company's first annual general meeting since its listing on the Canadian Securities Exchange.

All matters submitted to shareholders for approval at the AGM were approved in accordance with management's recommendations, including:

1. Fixing the number of directors of the company at three and electing the following individuals to serve as directors until the next annual meeting of shareholders or until their successors are duly elected or appointed: Jason Barnard, Richard Silas and Raymond Strafehl;
2. Appointing Davidson & Company LLP, chartered professional accountants, as the auditor of the company for the ensuing year and authorizing the board to fix the remuneration to be paid to the auditor;
3. Approving the company's amended and restated stock incentive plan.

For more information on these matters, please refer to the company's AGM management information circular, which is available on SEDAR+ and the company's website.

Following the AGM, the board of directors met and confirmed the reappointment of the following company executive officers:

• Mr. Barnard as chief executive officer;
• Christina Barnard as president;
• Curtis Bouwman as chief financial officer;
• Harpreet Bajaj as corporate secretary

The board also confirmed the reappointment of the following members to the company's current board committees:

• Audit committee: Mr. Silas (chair), Mr. Barnard and Mr. Strafehl;
• Compensation committee: Mr. Silas (chair), Mr. Strafehl and Mr. Barnard;
• Governance and nominating committee: Mr. Strafehl (chair), Mr. Barnard and Mr. Silas.

The board would like to thank the shareholders for their continuing support.

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 historic 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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