Capstone Copper Corp. — Capital/Financing Update 2024

Feb 1, 2024

Market Announcement

==> picture [31 x 49] intentionally omitted <==

2 February 2024

Capstone Copper Corp. (ASX: CSC) – Trading Halt

Description

The securities of Capstone Copper Corp. (‘CSC’) will be placed in trading halt at the request of CSC, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Monday, 5 February 2024 or when the announcement is released to the market.

Issued by

ASX Compliance

Market Announcement 1/1 ASX Customer Service Centre 131 279 | asx.com.au

2 February 2024 ASX Limited

#10686587v1

Suite 2100 – 510 West Georgia Street Vancouver, BC, V6B 0M3, Canada Tel: 604-684-8894 Fax: 604-688-2180 www.capstonecopper.com

==> picture [147 x 67] intentionally omitted <==

Ms Kimberley Brown Principal Adviser, Listings Compliance (Sydney)

ASX Compliance Limited Level 6, 20 Bridge Street Sydney NSW 2000

By email : tradinghaltssydney@asx.com.au

February 2, 2024

Dear Kimberley,

Capstone Copper Corp. (TSX:CS) (ASX: CSC) – Request for trading halt – Listing Rule 17.1

Capstone Copper Corp. (“ Capstone ”) requests that an immediate trading halt (“ Trading Halt ”) be applied in respect of its Capstone CHESS Depositary Interests (“ CDIs ”) in accordance with ASX Listing Rule 17.1, effective prior to the commencement of trading on Friday, February 2, 2024.

In accordance with ASX Listing Rule 17.1, Capstone provides the following information in support of its request:

• (a) The trading halt is necessary pending Capstone making an announcement to ASX in connection with a Canadian “bought deal” capital raising of common shares (“ Canadian Capital Raising ”).

• (b) Capstone requests that the Trading Halt continue until the commencement of trading on Monday, February 5, 2024.

• (c) Capstone is not aware of any reason why the trading halt should not be granted, nor is it aware of any other information available at this stage that is necessary to inform the market about the Trading Halt.

Should you require any further information, please do not hesitate to contact me.

Yours sincerely

Wendy King Senior Vice President Risk, ESG and General Counsel

Authorised for release by Wendy King

==> picture [147 x 66] intentionally omitted <==

For further information contact: Wendy King Direct: 604-674-9040

2