St. Augustine Announces Closing of Private Placement

St. Augustine Gold and Copper Limited (TSX: SAU,OTC:RTLGF) ("St. Augustine" or the "Company") is pleased to announce that it has closed the previously announced private placement of $1,204,500 from the sale of 16.5 million units, each unit comprising one common share and two warrants, each warrant entitling the holder to subscribe for one additional common share at $0.11 for a period of 5 years, assuming a number of development milestones are met during that period.

Pursuant to the rules of the TSX, non-interested shareholders approved this private placement at a special shareholder meeting held on September 12, 2025. The sole subscriber to this private placement was an entity controlled by Nicolaos Paraskevas, a director and officer of the Company. As such, this transaction is a related party transaction under Multilateral Instrument 61-101. As the dollar value of the transaction is less than 25% of the market capitalization of the Company, the Company relied on exemptions from the valuation requirements under that policy.

About St. Augustine

St. Augustine (SAU.T) is a TSX-listed mining company focused on the development of the King-king 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.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This announcement includes certain "forward-looking statements" within the meaning of Canadian securities legislation. All statements, other than statements of historical fact included herein are forward looking statements. Forward-looking statements involve various risks and uncertainties and are based on certain factors and assumptions. While we consider these assumptions to be reasonable based on currently available information, they may prove to be incorrect. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Forward-looking information is also subject to certain factors, including risks and uncertainties, that could cause actual results to differ materially from the Company's current expectations, including changes in market conditions, governmental or regulatory developments and general economic conditions. Other risks and uncertainties related to the Company are disclosed under the heading "Risk Factors" in the Company's Annual Information Form dated March 31, 2025 and filed with Canadian securities regulatory authorities on the SEDAR+ website at www.sedarplus.ca. Forward-looking information contained in this announcement is based on our current estimates, expectations and projections, which we believe are reasonable as of the current date. You should not place undue importance on forward-looking information and should nor rely on this information as of any other date. While we may elect to, we are under no obligation and do not undertake to update this information at any particular time except as required by applicable securities law.

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