Mr. Alex Black reports

RIO2 ANNOUNCES 2025 AGM RESULTS

Rio2 Ltd. has released the results of voting at its annual general and special meeting of shareholders held June 4, 2025. A total of 238,282,608 common shares were voted, representing 55.82 per cent of 426,846,684 shares issued and outstanding as of the record date of the meeting.

Shareholders voted in favour of all items of business before the meeting, including the election of all director nominees (see an attached table).

At the meeting, shareholders also reapproved and ratified Rio2's stock option plan and share incentive plan, as more thoroughly described in the April 17, 2025, information circular mailed to shareholders and filed on SEDAR+. The full version of the stock option plan and amended share incentive plan can be obtained directly from the company by sending a written request to info@rio2.com.

About Rio2 Ltd.

Rio2 is a mining company with a focus on development and mining operations with a team that has proven technical skills as well as successful capital markets record. Rio2 is focused on taking its Fenix gold project in Chile to production in the shortest possible time frame based on a staged development strategy. Rio2 and its wholly owned subsidiary, Fenix Gold Ltda., are companies 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 and economics) of responsible development. The companies reaffirm their commitment to apply environmental standards beyond those that are mandated by regulators, seeking to protect and preserve the environment of the territories that they operate in.