Mr. Jason Barnard reports

RIO GRANDE RESOURCES ANNOUNCES EQUITY GRANTS

Rio Grande Resources Ltd. has granted a total of 775,750 stock options and 776,795 restricted share units to certain directors, officers, employees and consultants of the company pursuant to the company's long-term incentive plan. The grants were approved by the board of directors on July 8, 2026. The awards are intended to align the interests of management, directors, employees and consultants with those of shareholders while supporting the company's long-term growth strategy.

The options are exercisable at 23.5 cents subject to applicable the Canadian Securities Exchange and a have a term of five years. A portion of the options and RSUs are subject to vesting provisions. All awards are subject to a statutory hold period of four months and one day. All awards are subject to the terms of the company's long-term incentive plan and applicable securities law hold periods.

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.

We seek Safe Harbor.