Capstone Copper Corp. — Board/Management Information 2024

Jun 6, 2024

FORM 51-102F3 Material Change Report

Item 1. Name and Address of Company Capstone Copper Corp. (the “Company” or “Capstone”) 2100 – 510 West Georgia Street Vancouver, BC V6B 0M3 Item 2. Date of Material Change May 30, 2024 Item 3. News Release A news release announcing the material change referred to in this report was issued on May 31, 2024 via Business Wire, a Berkshire Hathaway company and filed under Capstone Copper’s profile on SEDAR+. Item 4. Summary of Material Change

The Company announced the retirement of Mr. Robert Gallagher from Board of Directors (the “ Board ”)

Item 5. Full Description of Material Change 5.1 Full Description of Material Change

		5.1 Full Description of Material Change
		On March 31, 2024, the Company announced that Mr. Robert Gallagher has retired from the
		Board effective May 30, 2024.
		5.2 Disclosure for Restructuring Transactions
		Not applicable.
Item	6.	Reliance on subsection 7.1(2) of National Instrument 51-102
		Not applicable.
Item	7.	Omitted Information
		Not applicable.
Item	8.	Executive Officer
		John MacKenzie, Chief Executive Officer
		604.684.8894
Item	9.	Date of Report
		June**6,**2024