Copper One Resources acquires Rooinek Mining and Sport Project

Vancouver, BC – September 28, 2026 - TheNewswire – Copper One Resources Corp. ( “Copper One” or the “Company”) (CSE: CEXY | OTC: CEXYF | FSE: IW8 | WKN: A42AGR) is pleased to announce that, further to the news release dated July 20, 2026, the Company has completed the acquisition (the “Transaction ”) of all of the issued and outstanding shares of common stock in the capital of Rooinek Mining Corp. (“ Rooinek ”), a corporation existing under the laws of the State of Nevada, from the shareholders of Rooinek (the “Rooinek Shareholders ”), pursuant to the terms of a share exchange agreement (the “ Share Exchange Agreement ”) dated effective July 8, 2026. Rooinek is the registered and beneficial owner of a 100% interest in 108 lode mineral claims located in the State of Utah, United States of America, known as the Sport Project (the “Sport” or the “Project” ).

Transaction Terms

Pursuant to the terms of the Share Exchange Agreement, Copper One acquired all of the issued and outstanding shares of common stock of Rooinek in exchange for the issuance of an aggregate of 14,000,000 common shares of Copper One (the “ Consideration Shares ”) to the Rooinek Shareholders on a pro rata basis in accordance with their respective shareholdings, on the basis of one (1) Consideration Share for each one (1) common share of Rooinek held. The Consideration Shares were issued at a deemed price of $0.55 per Consideration Share. Unless otherwise indicated, all dollar amounts in this news release are expressed in Canadian dollars. As a condition of closing, the aggregate amount of all accounts payable and other outstanding payables of Rooinek did not exceed USD $350,000.

All closing conditions have been satisfied including, without limitation, (a) the receipt by each party of all necessary consents and approvals, including approval of the CSE, (b) Rooinek having obtained registered and legal ownership of a 100% interest in the mineral claims comprising the Sport, (c) the completion of a NI 43-101 compliant technical report on the Sport with a recommended work program of not less than $500,000, (d) the issuance of the Consideration Shares to the Rooinek Shareholders, (e) each party’s representations and warranties in the Share Exchange Agreement being true and correct in all material respects as of the closing date, and (f) each party completing its covenants and obligations as contained in the Share Exchange Agreement.

No finder’s fees or commissions were payable by the Company in connection with the Transaction.

Determination of Consideration

The consideration payable by the Company in connection with the Transaction was determined through arm’s length negotiations between the Company and the Rooinek Shareholders, having regard to, among other things, the geological characteristics of the Rooinek Property, the results of early exploration work, comparable transactions involving properties with similar geological characteristics, and the deemed price per Consideration Share relative to the prevailing market price of the Company’s common shares at the time the Share Exchange Agreement was negotiated. The review was undertaken by Rooinek management, who are professional geologists with a history of locating and acquiring highly prospective resource exploration and development properties. In addition, as a condition precedent to the Share Exchange Agreement, Rooinek commissioned a NI 43-101 compliant technical report on the Sport, which recommended a work program with phase 1 exploration expenditures of not less than $500,000. The aggregate deemed value of the consideration payable for the Rooinek, being $7,700,000 (comprised of 14,000,000 Consideration Shares at a deemed price of $0.55 per share), was determined based on the foregoing analysis and the closing price of the Company’s common shares on the Canadian Securities Exchange at the time the terms of the Transaction were agreed upon.