If the Over-allotment Option is exercised in full, the aggregate gross proceeds of the Offering will be approximately C$115 million. The Offering is expected to close on or about October 8, 2025 and is subject to Collective receiving all necessary regulatory approvals. Access to the Prospectus Supplement, the Base Shelf Prospectus and any amendment to such documents is provided in accordance with securities legislation relating to the procedures for providing access to a shelf prospectus supplement, a base shelf prospectus and any amendment. The Base Shelf Prospectus is, and the Prospectus Supplement will be (within two business days from the date hereof), accessible on SEDAR+ at www.sedarplus.ca. About Collective Mining Ltd.To see our latest corporate presentation and related information, please visit www.collectivemining.com.