Sendero Resources Completed $4.06 Million Brokered Financing

VANCOUVER - December 3, 2025) - Sendero Resources Corp. (TSXV:SEND) (the "Company" or "Sendero") is pleased to announce that it has closed its "best-efforts" marketed private placement offering (the "Offering") announced on November 12, 2025, raising total gross proceeds of $4,066,050 by the sale of a total of 4,280,053 common shares of the Company (the "Shares") at a price of $0.95 per Share, which includes the partial exercise of the Agent's Option (as defined below). The Shares were issued pursuant to the listed issuer financing exemption under Part 5A of NI 45-106, as amended by Coordinated Blanket Order 45-935 - Exemptions from Certain Conditions of the Listed Issuer Financing Exemption.

Alex Gostevskikh, Chief Executive Officer of Sendero Resources, commented "With a strengthened balance sheet and a clearly defined exploration drill program for 2026, the successful completion of this financing positions Sendero to aggressively advance our Peñas Negras project in the heart of the Vicuña Copper-Gold Belt where we continue to see district-scale discovery potential.

The Foundational Investing Group, led by Peter Marrone, Founder, Chairman & CEO of Yamana Gold and Allied Gold; Pat DiCapo, Founder and CEO of PowerOne Capital Markets; and Eduardo Elsztain, a prominent Argentine industrialist, have all elected to increase their investment in Sendero. Their continued commitment underscores the quality of our project and the strength of our long-term strategy. The Provincial Government of La Rioja continues its support for the project signalling its trust in the project's economic value to the province."

The Offering was led by Stifel Nicolaus Canada Inc. (the "Agent"), as sole agent and bookrunner, pursuant to the terms of an agency agreement entered into by the Company with the Agent on December 3, 2025 (the "Agency Agreement").

The Agent partially exercised its over-allotment option granted by the Company (the "Agent's Option") for the sale of an additional 60,053 Shares under the Offering for additional gross proceeds of $57,050.

Pursuant to the Agency Agreement, in consideration for the services provided by the Agent to the Company in connection with the Offering, the Company paid to the Agent a cash commission in the aggregate amount of $284,624, representing 7% of the aggregate gross proceeds raised under the Offering, and issued to the Agent 299,603 Share purchase warrants, representing 7% of the number of Shares issued under the Offering, each exercisable to acquire one Share at a price of $0.95 for a period of two years.

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

The Offering is subject to final approval from the TSX Venture Exchange.

No U.S. Offering or Registration

This news release does not constitute an offer to sell or a solicitation of an offer to buy nor shall there be any sale of any of the securities in any jurisdiction in which such offer, solicitation or sale would be unlawful, including any of the securities in the United States. The securities described herein have not been, and will not be, registered under the United States Securities Act of 1933, as amended (the "1933 Act") or any state securities laws and may not be offered or sold within the United States or to, or for account or benefit of, U.S. Persons (as defined in Regulation S under the 1933 Act) unless registered under the 1933 Act and applicable state securities laws, or an exemption from such registration requirements is available.

About Sendero Resources Corp.

The Company is focused on copper-gold exploration at its 100% owned Pen?as Negras Project in the Vicun?a Belt in Argentina. The Pen?as Negras Project has similar geological characteristics to other deposits in the Vicun?a Belt and multiple porphyry and high-sulfidation epithermal targets have been identified on the project. The centre of the Pen?as 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. 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.

THIS NEWS RELEASE IS INTENDED FOR DISTRIBUTION IN CANADA ONLY AND IS NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR DISSEMINATION IN THE UNITED STATES

Copyright (c) 2025 TheNewswire - All rights reserved.