Mr. Louis Castro reports

OROSUR MINING INC ANNOUNCES TOTAL VOTING RIGHTS

During February, 2026, Orosur Mining Inc. has issued 1,316,949 new common shares of no par value each for a total consideration of $110,703 (U.S.) following the exercise of 1,016,949 warrants at a price of 5.58 cents and 300,000 warrants at a price of 25 cents, respectively, from its block listing announced Jan. 14, 2026.

For the purposes of the disclosure guidance and transparency rules, the company has 394,547,125 common shares in issue. This figure includes the 85,000 common shares scheduled to be admitted to trading on March 2, as announced on Feb. 26, 2026. 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.