Mr. Brad George reports

OROSUR MINING INC ANNOUNCES CLOSING OF PRIVATE PLACEMENT FOR C$16 MILLION

Orosur Mining Inc. has closed its previously announced best effort private placement for aggregate gross proceeds of $16-million (Canadian), which includes gross proceeds of $2-million (Canadian) through the full exercise of the agent's option. Pursuant to the offering, the company sold 50 million units of the company at a price of 32 Canadian cents per unit (being approximately 0.17 pound sterling at an exchange rate of 0.53 pound sterling to $1 (Canadian)).

Each unit consists of one common share of the company and one-half of one common share purchase warrant. Each whole warrant entitles the holder to purchase one common share at a price of 32 U.S. cents (being approximately 46 Canadian cents and approximately 0.24 pound sterling) for a period of 24 months following closing of the offering.

The company intends to use the net proceeds of the offering, which should finance the company into late 2027, principally to advance the company's Anza exploration project in Colombia, as well as for general working capital and corporate purposes.

Red Cloud Securities Inc. acted as sole agent and bookrunner in connection with the offering. In consideration for its services, Red Cloud received a cash commission of $520,000 (Canadian). Turner Pope Investments (TPI) Ltd. and Greenwood Capital Partners Ltd. acted as brokers in connection with a portion of the offering in the United Kingdom. In consideration of their services, the U.K. brokers received aggregate cash commissions and fees of 239,760 pounds sterling (equivalent to approximately $451,600 (Canadian)).

The company issued 26,562,500 units in accordance with Part 5A.2 of National Instrument 45-106 (Prospectus Exemptions) as amended by Coordinated Blanket Order 45-935 (Exemptions from Certain Conditions of the Listed Issuer Financing Exemption), or pursuant to Ontario Securities Commission Rule 72-503 (Distributions Outside of Canada). The underlying securities from the sale of the exempt units are not subject to a hold period under Canadian securities legislation.

There is an offering document dated Sept. 22, 2026, related to the offering in Canada that can be accessed under the company's profile at SEDAR+ and on the company's website.

Admission and total voting rights

Application has been made for the 50 million common shares, which rank pari passu with the existing common shares in issue, to be admitted to trading on Alternative Investment Market. It is expected that admission will become effective, and dealings will occur at 8 a.m. U.K. time on or around Oct. 7, 2026. Application has also been made for the 25 million common shares, which will satisfy the future exercise of warrants, to be admitted to the company's block listing facility on or around Oct. 7, 2026. The warrants will not be admitted to trading and are not being exercised at this time.

Following the issue of 50 million common shares, which, on admission, will rank pari passu with the existing common shares, the total number of common shares in issue with voting rights in the company will be 452,196,324. 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 FCA's Disclosure and Transparency Rules. There are no shares held in treasury.

The closing of the offering remains subject to the final approval of the TSX Venture Exchange.

We seek Safe Harbor.