Mr. Alex Gostevskikh reports

SENDERO RESOURCES "BEST-EFFORTS" OFFERING HAS BEEN FULLY ALLOCATED

Sendero Resources Corp. has arranged best-efforts marketed private placement offering of 4.22 million common shares of the company at a price of 95 cents per share for gross proceeds to the company of $4,009,000 pursuant to the listed issuer financing exemption, previously announced on Nov. 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 per cent of shares at the offering price for potential additional gross proceeds of up to $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 Dec. 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 finance 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-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 kilometres 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-per-cent interest on eight additional granted mining concessions covering 91.7 square kilometres. The total project area comprises 211.77 square km.

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.