Mr. Raymond Ricafort reports

ST. AUGUSTINE GOLD AND COPPER LIMITED ANNOUNCES BOARD AND MANAGEMENT CHANGES

Nicolaos Paraskevas has resigned from St. Augustine Gold and Copper Ltd.'s board of directors, effective May 17, 2026. Mr. Paraskevas will continue with the company as a consultant, assisting with sourcing, negotiating and implementing financing relating to the Kingking copper-gold project.

The company likewise announces the appointment of Cecille Marie H. Bernardo as chief financial officer, effective May 18, 2026, subject to the approval of the Toronto Stock Exchange. Ms. Bernardo is a certified public accountant with more than 30 years of senior leadership experience in finance, banking, corporate planning and multinational operations. She holds a master of finance degree from the University of Melbourne, Australia. She previously served as chief financial officer of Prime Asset Ventures Inc., and held senior leadership positions within the Villar Group and Coca-Cola Far East Ltd.

The company also announces the appointment of James Timothy (Tim) Armstrong as chief development officer, effective May 18, 2026. Mr. Armstrong is a mining engineer with approximately 37 years of international mining industry experience spanning large-scale copper and gold project development, mine construction, operations, project financing, and strategic development. He has held senior leadership roles in major mining projects, including Merdeka Copper Gold, Carmen Copper Corp. and the Masbate gold project.

Mr. Armstrong will assist management in the completion of the definitive feasibility study, advancement toward final investment decision, development planning for the mining and milling operations, contractor and supplier selection, and the transition of the Kingking project toward commercial production.

Lastly, the company announces the appointment of Raymond H. Ricafort as investor relations head, effective immediately. Mr. Ricafort brings extensive experience in project finance and investment banking. He has been actively involved in the Kingking project since its inception, and is well acquainted with its history, development and financing initiatives. His background in investment banking and the capital markets will support the company in strengthening shareholder engagement and advancing its financing and development objectives.

About St. Augustine Gold and Copper Ltd.

St. Augustine is a Toronto Stock Exchange-listed mining company focused on the development of the Kingking copper-gold project. The project is one of the largest undeveloped copper-gold deposits in the world and is listed as a top-three priority mining project by the Philippine government.

We seek Safe Harbor.