Mr. Alex Black reports

RIO2 FILES TECHNICAL REPORT FOR CONDESTABLE AND PUBLISHES ESG REPORT

Rio2 Ltd. has filed an independent technical report dated July 22, 2026, entitled "NI 43-101 Technical Report Condestable Mine, Lima Department, Peru," pursuant to National Instrument 43-101, Standards of Disclosure for Mineral Projects. The technical report has an effective date of May 31, 2026, and supports the disclosure made by the company in its news release dated June 23, 2026, announcing the update of resources and reserves for the Condestable mine.

The technical report was prepared by SLR Consulting (Canada) Ltd. with contributions from a team of qualified persons as defined by NI 43-101, as follows:

• Rosmery J. Cardenas Barzola, PEng;
• Logan D. Behuniak, PGeo;
• Jeff Sepp, PEng;
• Varun Bhundhoo, Ing;
• Brenna J.Y. Scholey, PEng;
• Luis Vasquez, MSc, PEng;
• Jason J. Cox, PEng.

The company also wishes to announce the publication of its 2025 ESG (environmental, social and governance) report. This report represents a comprehensive review of the environmental, social and governance factors related to Rio2's development activities at its Fenix gold project in Chile for the year 2025.

Rio2 is committed to the principles of responsible mining and best practices in corporate governance. The complete report is available on-line.

About RIO2 Ltd.

Rio2 is a diversified precious metals and copper producer focused on building and operating mines with a management team that has proven technical skills, as well as a successful capital markets record. The company is currently producing gold at its Fenix gold heap leach mine in Chile and copper/gold/silver at its recently acquired Condestable underground mine in Peru. Rio2 and its wholly owned subsidiaries, Fenix Gold Ltda. and Compania Minera Condestable S.A., are companies that operate with the highest environmental standards and responsibility with the firm conviction that it is possible to develop mining projects that respect the three pillars (social, environment, economics) of responsible development. As related companies, Rio2 reaffirms its commitment to apply environmental standards beyond those mandated by regulators, seeking to protect and preserve the environment in the territories where it operates.