Golden Cariboo files NI 43-101 mineral resource estimate at Quesnelle

10 Mt at 0.56 g/t AuEq containing 178,000 oz Au Indicated, plus 71Mt at 0.44g/t for 1.0 Moz Au Inferred

September 30, 2026 – TheNewswire - Vancouver, British Columbia - Golden Cariboo Resources Ltd. (the "Company") (CSE: GCC) (OTC: GCCFF) (WKN: A402CQ) (FSE: 3TZ) is pleased to announce an inaugural independent Mineral Resource Estimate (the "MRE") prepared in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101") for its 100%-owned Quesnelle Gold Quartz Mine Property (the "Property"), located approximately 4 kilometres northeast of Hixon in central British Columbia. The previous News Release dated September 29, 2026 contained a statement that ' The Company QP has also reviewed the technical information in this news release." As there is no Company QP, the statement was removed from this amendment. There are no other material changes to the Amended News Release.

The MRE is reported with an effective date of September 26, 2026 and has been prepared by Sue Bird, P.Eng., of Bird Resource Consulting Corp. (“BRCC”), an independent Qualified Person as defined by NI 43-101. The Company will file an independent NI 43-101 technical report supporting this MRE on SEDAR+ (www.sedarplus.ca) under the Company's profile within 45 days of this news release, as required by NI 43-101.

President & CEO Commentary

“This inaugural mineral resource estimate is a tremendous achievement for Golden Cariboo and validates the strength of the Halo discovery," stated Frank Callaghan, President and CEO. "What makes this resource particularly significant is that it was defined from only 24 of the 30 Company drill holes totaling less than 8,500 metres of drilling, yet has outlined over 1.0 million ounces of inferred gold and 178,000 ounces of indicated gold over. The new