Mr. Antanas Guoga, a shareholder, reports

ANTANAS GUOGA ANNOUNCES FILING OF EARLY WARNING REPORT RELATED TO HIGHCLIFF METALS CORP.

Antanas Guoga has filed an early warning report regarding his disposition on Aug. 4, 2026, of an aggregate of 1.6 million common shares in the capital of Highcliff Metals Corp. through the facilities of the TSX Venture Exchange.

Prior to the completion of the disposition, Mr. Guoga beneficially owned and controlled an aggregate of 3.2 million common shares, representing approximately 18.75 per cent of the issued and outstanding on an undiluted and partially diluted basis. On completion of the disposition, Mr. Guoga beneficially owned and controlled an aggregate of 1.6 million common shares, representing approximately 9.37 per cent of the issued and outstanding shares on an undiluted and partially diluted basis. As a result, Mr. Guoga is no longer an insider of the company.

All securities of the company held by Mr. Guoga are held for investment purposes. In the future, Mr. Guoga may, from time to time, increase or decrease his ownership, control or direction over securities of the company held by him through market transactions, private agreements or otherwise, depending on market conditions, the business and prospects of the company and other relevant factors.

For further details relating to the acquisition, please see the report, a copy of which is available under the company's profile on SEDAR+, or may be requested by mail at: Antanas Guoga care of Irwin Lowy LLP, 217 Queen St. West, Suite 401, Toronto, Ont., M5V 0R2, or by e-mail at tonyguoga@icloud.com.