Mr. Alex Black reports

RIO2 ANNOUNCES 2026 AGSM RESULTS

Rio2 Ltd. has released the results of voting at its annual and special general meeting (AGM) of shareholders held June 17, 2026. A total of 304,775,175 common shares were voted, representing 55.78 per cent of 546,395,184 shares issued and outstanding as of the record date of the meeting.

Shareholders voted in favour of all matters brought before the 2026 AGM. The specific voting results are provided in the attached tables.

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, Rio 2 and its subsidiaries reaffirm their commitment to apply environmental standards beyond those mandated by regulators, seeking to protect and preserve the environment in the territories where they operate.