SONORO GOLD COMPLETES FINAL CONCESSION PAYMENT AND PROVIDES CORPORATE UPDATE

VANCOUVER, Canada, Oct. 30, 2025 (GLOBE NEWSWIRE) -- Sonoro Gold Corp. (TSXV: SGO | OTCQB: SMOFF | FRA: 23SP) (“Sonoro” or the “Company”) is pleased to announce the Company has made the final concession payment on its flagship Cerro Caliche gold project in Sonora, Mexico. In March 2018, the Company, through its wholly owned Mexican subsidiary, Minera Mar de Plata (“MMP”), executed an Option to Purchase and Promise to Assignment Agreement with a resident of Arizona, USA (the “Vendor”) to acquire a 100% interest in the El Rosario mineral concessions (the “Rosario Concessions”) for total consideration of US $1.79M.

The Rosario Concessions represent 30% of the total surface area of the Cerro Caliche project and on October 29, 2025, the Company paid the final installment of US $919,907.71, acquiring the concessions through the execution of an Assignment of Title to Mining Concession Agreement (the “Assignment Agreement”). Under the terms of the Assignment Agreement, the Company also executed a Royalty Agreement, entitling the Vendor to a 2% Net Smelter Returns (the “NSR”) royalty from the proceeds of the sale of minerals from the Rosario Concessions. The Company may purchase the NSR for US $1,000,000 for each one percent of the royalty.

The Cerro Caliche project is comprised of 15 contiguous mining concessions covering a total area of 1,350.10 hectares (ha). The concessions were optioned in 2018 under five separate option agreements for total consideration of US $5.18M. Financial obligations under the five option agreements have now been met and all 15 mineral concession titles have been assigned to MMP.

MMP also controls 100% of the surface rights for the Cerro Caliche project. As previously announced, the Company entered into a surface rights agreement with the owner of the Cerro Prieto Ranch to secure 100% of the surface rights to the Cerro Caliche concessions and surrounding areas.

Commencing September 1, 2028, Sonoro’s surface rights will expand to encompass the entire Cerro Prieto Ranch, including the surface rights to the neighbouring Cerro Prieto mine.

The Cerro Caliche gold project is in the final permitting stage for a proposed open-pit, heap leach mining operation. The property hosts a broadly mineralized low-sulphidation epithermal vein structure with over 25 northwest-trending gold mineralized zones along trend and near surface. Approximately 30% of the property’s identified mineralized zones have been drilled and assayed to date.

Resignation of Chief Financial Officer
The Company announces that Salil Dhaumya has resigned as Chief Financial Officer (CFO) of the Company. Mr. Dhaumya has agreed to assist in a smooth transition. Board Member and Corporate Secretary Katharine Regan will assume the role of interim CFO until a suitable successor is appointed.

Sonoro wishes to thank Mr. Dhaumya for his services and contributions to the Company and wishes him the best in his future endeavors.

About Sonoro Gold Corp.
Sonoro Gold Corp. is a publicly listed exploration and development Company holding the development-stage Cerro Caliche project and the exploration-stage San Marcial project in Sonora State, Mexico. The Company has highly experienced operational and management teams with proven track records for the discovery and development of natural resource deposits.

To keep up-to-date on Sonoro’s developments, please join our online communities on X, Facebook, LinkedIn, Instagram and YouTube, and visit Sonoro’s website and subscribe to receive the latest news and updates delivered straight to your inbox.

On behalf of the Board of SONORO GOLD CORP.
Per: “Kenneth MacLeod”
        Kenneth MacLeod
        President & CEO

For further information, please contact:
Sonoro Gold Corp. - Tel: (604) 632-1764
Email: info@sonorogold.com

Forward-Looking Statement Cautions:
This press release may contain "forward-looking information" as defined in applicable Canadian securities legislation. All statements other than statements of historical fact, included in this release, including, without limitation, statements regarding the Cerro Caliche project, and future plans and objectives of the Company, constitute forward looking information that involve various risks and uncertainties, including statements regarding completion of an updated preliminary economic assessment of the Cerro Caliche Gold project, the possible outcomes of an ongoing strategic asset review, the possibility of a transaction to spin out the Company’s San Marcial gold-silver project, an application for a public listing of the shares of Oronos Gold Corp., and plans for further exploration of the San Marcial project. Although the Company believes that such statements are reasonable based on current circumstances, it can give no assurance that such expectations will prove to be correct. Forward-looking statements are statements that are not historical facts; they are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "aims", "potential", "goal", "objective", "prospective" and similar expressions, or that events or conditions "will", "would", "may", "can”, "could" or "should" occur, or are those statements, which, by their nature, refer to future events.  The Company cautions that forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made and they involve a number of risks and uncertainties, including the possibility of unfavorable exploration and test results, the lack of sufficient future financing to carry out exploration and development plans and unanticipated changes in the legal, regulatory and permitting requirements for the Company’s exploration programs.  There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law or the policies of the TSX Venture Exchange. Readers are encouraged to review the Company’s complete public disclosure record on SEDAR at www.sedar.com.

This press release does not constitute or form a part of any offer or solicitation to purchase or subscribe for securities in the United States. The securities referred to herein have not been and will not be registered under the Securities Act of 1933, as amended (the “Securities Act”), or with any securities regulatory authority of any state or other jurisdiction in the United States, and may not be offered or sold, directly or indirectly, within the United States or to, or for the account or benefit of, U.S. persons, as such term is defined in Regulation S under the Securities Act (“Regulation S”), except pursuant to an exemption from or in a transaction not subject to the registration requirements of the Securities Act”

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this release.

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