Capstone Copper Unveils $500M Senior Notes for 2033

Capstone Copper Corp.

All amounts in US$ unless otherwise indicated

VANCOUVER, British Columbia--BUSINESS WIRE--

Capstone Copper Corp. ("Capstone" or the "Company") (TSX:CS) (ASX:CSC) announces that it is launching an offering of $500 million aggregate principal amount of senior notes due 2033 (the "Notes"). The aggregate principal amount, interest rate and other terms of the Notes will be determined at pricing and are dependent upon market conditions and other factors.

The Notes will be senior unsecured obligations of the Company and will be guaranteed by each of the Company's subsidiaries that guarantees its senior secured revolving credit facility. Interest on the Notes will accrue from the issue date and will be payable semi-annually.

The Company intends to apply the gross proceeds from the sale of the

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