Atico Mining Corporation (TSX.V: ATY | OTC: ATCMF) is pleased to announce the closing of its rights offering, previously disclosed in the Company’s press releases dated June 9, 2025 and June 13, 2025. Shareholders of Atico exercised rights to acquire 29,887,022 units of the Company, at the subscription price of $0.11 per Rights Unit, for gross proceeds of $3,287,572.42.

Each Rights Unit consisted of one common share of the Company and one transferable Common Share purchase warrant, with each Rights Warrant exercisable into one Common Share at a price of $0.18 per Rights Warrant Share for a period of two years from the issue date.

11,219,319 Rights Units were issued pursuant to the basic subscription privilege, and 18,667,703 Rights Units were issued pursuant to the additional subscription privilege. Approximately 41% of the total Rights Units were issued to persons who were insiders before closing of the Rights Offering. The remaining Rights expired unexercised on July 21, 2025.

Following closing of the Rights Offering, the Company has a total of 151,173,207 Common Shares outstanding.

The Company expects that its offering under the listed issuer financing exemption, previously disclosed in its press releases dated June 9, 2025 and June 13, 2025, will close on or about July 28, 2025.

Atico intends to use the net proceeds from the Rights Offering and the LIFE Offering to pay for development of the Company’s La Plata project in Ecuador, additional drilling at the Company’s El Roble mine in Colombia, and for general corporate purposes.

Additional Information

This news release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. This news release shall not constitute an offer to sell or the solicitation of an offer to buy any securities in the United States. The securities being offered have not been, nor will they be, registered under the United States Securities Act of 1933, as amended, or under any state securities laws in the United States, and such securities may not be offered or sold within the United States absent registration under U.S. federal and state securities laws or an applicable exemption from such U.S. registration requirements.

About Atico Mining Corporation

Atico is a growth-oriented Company, focused on exploring, developing and mining copper and gold projects in Latin America. The Company generates significant cash flow through the operation of the El Roble mine and is developing its high-grade La Plata VMS project in Ecuador. The Company is also pursuing additional acquisition of advanced stage opportunities.