Mr. Chris Verrico reports

RIO SILVER ANNOUNCES CORRECTION TO STOCK OPTION GRANTS

Further to the previous announcement on June 1, 2026, granting an aggregate of 1.15 million incentive stock options of Rio Silver Inc. to certain directors and officers, the company would like to correct a typographical error with respect to the exercise price of these options. The company would like to clarify and confirm that the correct exercise price for these options should have referred to 35 cents per share. There are no other changes to these options including the date of grant and the exercise period. The grant of the stock options remains subject to the approval of the TSX Venture Exchange.

About Rio Silver Inc.

Rio Silver is a Canadian resource company advancing high-grade, silver-dominant assets in Peru, the world's second-largest silver producer. The company is focused on near-term development opportunities within proven mineral belts, and is supported by a seasoned technical and operational team with deep experience in Peruvian geology, underground mining and district-scale exploration. With a clear development strategy and a growing portfolio of highly prospective silver assets, Rio Silver is establishing the foundation to become one of Peru's next emerging silver producers.

We seek Safe Harbor.