Mr. Louis Castro reports

OROSUR MINING INC: TOTAL VOTING RIGHTS

During September, 2026, Orosur Mining Inc. issued 1,191,250 new common shares of no par value each for a total consideration of $114,735 (U.S.) following the exercise of 750,000 warrants at a price of 4.94 U.S. cents and 441,250 warrants at a price of 25 Canadian cents from its block listing announced on Jan. 14, 2025.

For the purposes of the disclosure guidance and transparency rules, the company has 402,196,324 common shares in issue. Shareholders may use this figure as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the company under the Financial Conduct Authority's disclosure and transparency rules.

The above TVR (total voting rights) figure does not include the issue of up to 43.75 million common shares, which will be issued on or around Oct. 6, 2026, pursuant to the brokered private placement announced on Sept. 25, 2026.