(via TheNewswire)

Vancouver, British Columbia – November 18 th 2025 – TheNewswire - Sendero Resources Corp. ( TSXV:SEND ) (the “ Company ” or “ Sendero ”) announces that the "best-efforts" marketed private placement offering (the " Offering ") of 4,220,000 common shares of the Company (the " Shares ") at a price of C$0.95 per Share (the “ Offering Price ”) for gross proceeds to the Company of C$4,009,000 pursuant to the Listed Issuer Financing Exemption, previously announced on November 12, 2025, has received commitments from investors sufficient to fully allocate the Offering (excluding any Shares that may be issued under the agent’s option to purchase up to an additional 15% of Shares at the Offering Price for potential additional gross proceeds of up to C$601,350). Commitments from investors to purchase Shares are subject to final documentation and customary closing conditions.

The closing of the Offering is expected to occur on or about December 3, 2025, and is subject to obtaining all necessary regulatory approvals, including final approval from the TSX Venture Exchange.

The Company intends to use the net proceeds from the Offering to fund exploration work at the Company's Penas Negras project and for general administrative expenses and working corporate purposes.

About Sendero Resources Corp.

The Company is focused on copper-gold exploration at its 100% owned Peñas Negras Project in the Vicuña Belt in Argentina. The Peñas Negras Project has similar geological characteristics to other deposits in the Vicuña Belt and multiple porphyry and high-sulfidation epithermal targets have been identified on the project. The centre of the Peñas Negras concession area is situated approximately 18 km southeast of Caserones mine operated by Lundin Mining, approximately 24 km northeast of NGEx Minerals’ Lunahuasi project, and about 32 km north-northeast of BHP-Lundin Mining’s Filo del Sol advanced exploration and development stage project. The Company also has an option to earn an 100% interest on eight additional granted mining concessions covering 91.7 km2. The total project area comprises 211.77 km2

Qualified Person

Steven McMullan, P. Geo. supervised the preparation of and reviewed and approved the scientific and technical information pertaining to Peñas Negras Project contained in this news release. Mr McMullan is a qualified person as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects.

Mr. McMullan is a director of the Company.

Further Information

For further information, please contact:

Sendero Resources Corp,
Alex Gostevskikh, Chief Executive Officer
Email:  info@senderoresources.com

+1 888 455 7620 

Follow Sendero Resources (@SenderoRes ) on X, ( Sendero Resources ) on LinkedIn, and (@sendero_resources ) on Instagram.

Cautionary Statement on Forward-Looking Information

This press release contains “forward-looking information” and “forward-looking statements” (collectively, “ forward-looking statements ”) within the meaning of applicable Canadian securities legislation. All statements, other than statements of historical fact, are forward-looking statements and are based on expectations, estimates and projections as at the date of this press release. Any statement that involves discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often but not always using phrases such as “expects”, or “does not expect”, “is expected” “anticipates” or “does not anticipate”, “plans”, “budget”, “scheduled”, “forecasts”, “estimates”, “believes” or intends” or variations of such words and phrases or stating that certain actions, events or results “may” or “could, “would”, “might” or “will” be taken to occur or be achieved) are not statements of historical fact and may be forward-looking statements. Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable, are subject to known and unknown risks, uncertainties, and other factors which may cause the actual results and future events to differ materially from those expressed or implied by such forward-looking statements. Such forward-looking information and forward looking-statements are subject to a variety of risks and uncertainties which could cause actual events or results to differ materially from those reflected in the forward-looking information and forward looking-statements, including, without limitation, that the investors which have provided indications of interest may withdraw prior to closing or be determined to be ineligible to purchase the Shares, or that the Offering may otherwise not be completed as contemplated. 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 the forward-looking statements and information contained in this press release. Except as required by law, the Company does not assume any obligation to update the forward-looking statements of beliefs, opinions, projections, or other factors, should they change, except as required by law.

Cautionary Statement

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

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