Toronto, Ontario--(Newsfile Corp. - August 5, 2026) - Antanas Guoga announces that he has filed an early warning report (the "Report") announcing that on August 4, 2026, Mr. Guoga disposed (the "Disposition") of an aggregate of 1,600,000 common shares (the "Common Shares") in the capital of Highcliff Metals Corp. (the "Company") through the facilities of the TSX Venture Exchange.

Prior to the completion of the Disposition, Mr. Guoga beneficially owned and controlled an aggregate of 3,200,000 Common Shares, representing approximately 18.75% of the issuance and outstanding on an undiluted and partially diluted basis. On completion of the Disposition, Mr. Guoga beneficially owned and controlled an aggregate of 1,600,000 Common Shares, representing approximately 9.37% of the issuance and outstanding on an undiluted and partially diluted basis. As a result, Mr. Guoga is no longer an insider off 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.   

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