Mr. Louis Castro reports

OROSUR MINING INC ANNOUNCES BLOCK LISTING SIX MONTHLY RETURN

Orosur Mining Inc. has provided the following information in connection with its block listing pursuant to Rule 29 and Schedule 6 of the AIM rules for companies.

Extension of block listing

The company also announces that application has been made to the London Stock Exchange in respect of a block admission of 19,586,444 common shares of no par value each in the company to be added to the existing block scheme (announced on Jan. 8, 2025) and admitted to trading on the AIM (Alternative Investment Market).

The 19,586,444 new common shares, which represent approximately 6.25 per cent of the current issued share capital of the company, relate to unlisted investor and broker warrants issued in respect of the company's brokered private placement announced on March 27, 2025. On exercise of the warrants, the shares will rank pari passu with the existing common shares in issue.

Admission of the new common shares is expected to occur on or around July 18, 2025.