Mr. Alex Gostevskikh reports

SENDERO RESOURCES COMPLETED $4.06 MILLION BROKERED FINANCING

Sendero Resources Corp. has closed its best effort marketed private placement offering announced on Nov. 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 at a price of 95 cents 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 National Instrument 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 Penas Negras project in the heart of the Vicuna copper-gold belt, where we continue to see district-scale discovery potential.

"The Foundational Investing Group, led by Peter Marrone, founder, chairman and 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., as sole agent and bookrunner, pursuant to the terms of an agency agreement entered into by the company with the agent on Dec. 3, 2025.

The agent partially exercised its overallotment option granted by the company 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 per cent of the aggregate gross proceeds raised under the offering, and issued to the agent 299,603 share purchase warrants, representing 7 per cent of the number of shares issued under the offering, each exercisable to acquire one share at a price of 95 cents for a period of two years.

The company intends to use the net proceeds received from the offering to finance 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.

About Sendero Resources Corp.

The company is focused on copper-gold exploration at its 100-per-cent-owned Penas Negras project in the Vicuna belt in Argentina. The Penas Negras project has similar geological characteristics to other deposits in the Vicuna belt, and multiple porphyry and high-sulphidation epithermal targets have been identified on the project. The centre of the Penas Negras concession area is situated approximately 18 kilometres 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 a 100-per-cent interest on eight additional granted mining concessions covering 91.7 square kilometres. The total project area comprises 211.77 square kilometres.

Qualified person

Steven McMullan, PGeo, supervised the preparation of, and reviewed and approved, the scientific and technical information pertaining to Penas 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.

We seek Safe Harbor.