Mr. Ari Sussman reports

COLLECTIVE MINING FILES NI 43-101 TECHNICAL REPORT FOR MAIDEN MINERAL RESOURCE FOR THE APOLLO DEPOSIT

Collective Mining Ltd. has filed an independent technical report in support of the maiden mineral resource estimate for its Apollo deposit at the Guayabales project in Caldas, Colombia.

The technical report, entitled "Guayabales Project -- Apollo Mineral Resource, Caldas Department, Colombia," with an effective date of Oct. 13, 2026, has been prepared in accordance with National Instrument 43-101, Standards of Disclosure for Mineral Projects, and supports the maiden mineral resource estimate disclosed in the company's Sept. 8, 2026, news release.

The technical report is available under the company's profile on SEDAR+, EDGAR and on the company's website.

About Collective Mining Ltd.

Founded by the team that developed and sold Continental Gold Inc. to Zijin Mining for approximately $1.4-billion (U.S.) in enterprise value, Collective is a gold, silver, copper and tungsten exploration company with projects in Caldas, Colombia. The company's two projects are located directly within an established mining camp with ten fully permitted and operating mines.

The company's flagship project, Guayabales, is anchored by Apollo, a large-scale, bulk-tonnage and high-grade gold-silver-copper-tungsten deposit that hosts a maiden mineral resource of 2.58 million ounces gold equivalent (AuEq) indicated (37.0 million tonnes (t) at a grade of 2.17 grams per tonne (g/t) AuEq: 1.38 g/t gold (Au), 24.4 g/t silver (Ag), 0.14 per cent copper (Cu) and 0.011 per cent WO3) and 2.83 million ounces AuEq inferred (48.2 million t at a grade of 1.83 g/t AuEq: 1.60 g/t Au, 8.39 g/t Ag, 0.03 per cent Cu and 0.002 per cent WO3). The company's objectives at the Guayabales project are to continue expansion and infill drilling at Apollo while advancing technical, environmental and permitting work across the project.

Management, insiders, a strategic investor, and close family and friends own 45.2 per cent of the outstanding shares of the company and, as a result, are fully aligned with shareholders. The company is listed on both the Nasdaq Stock Market and the Toronto Stock Exchange under the trading symbol CNL.

Qualified person (QP) and NI 43-101 disclosure

The mineral resource and the scientific and technical information relating to the mineral resource in the technical report and in this news release was prepared by Ivor W.O. Jones, FAusIMM, PGeo (APEGBC), an independent qualified person as defined by NI 43-101. Mr. Jones has verified the data underlying the mineral resource, and has reviewed and approved the mineral resource information contained in this news release in the form and context in which it appears.

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