Mr. Daniel Sampieri reports

CAPSTONE COPPER ANNOUNCES OFFERING OF US$500 MILLION SENIOR NOTES DUE 2033

Capstone Copper Corp. is launching an offering of $500-million (U.S.) aggregate principal amount of senior notes due 2033. 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 notes to repay project financing debt at its Mantoverde S.A. subsidiary, to pay down debt on the company's senior secured revolving credit facility and for general corporate purposes.

The notes will be offered and sold in the United States only to persons reasonably believed to be qualified institutional buyers in accordance with Rule 144A under the United States Securities Act of 1933, as amended, and to non-U.S. persons outside the United States in compliance with Regulation S under the act. The notes will be offered and sold in Canada on a private placement basis pursuant to certain prospectus exemptions.

About Capstone Copper Corp.

Capstone Copper is an Americas-focused copper mining company headquartered in Vancouver, Canada. The company owns and operates the Pinto Valley copper mine, located in Arizona, the Cozamin copper-silver mine, located in Zacatecas, Mexico, the Mantos Blancos copper-silver mine, located in the Antofagasta region, Chile, and 70 per cent of the Mantoverde copper-gold mine, located in the Atacama region, Chile. In addition, it owns the fully permitted Santo Domingo copper-iron-gold project, located approximately 30 kilometres northeast of Mantoverde in the Atacama region, Chile, as well as a portfolio of exploration properties in the Americas.

Capstone Copper's strategy is to unlock transformational copper production growth while executing on cost and operational improvements through innovation, optimization, and safe and responsible production throughout its portfolio of assets. The company focuses on profitability and disciplined capital allocation to surface stakeholder value. It is committed to creating a positive impact in the lives of its people and local communities, while delivering compelling returns to investors by responsibly producing copper to meet the world's growing needs.

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