Capstone Copper (ASX:CSC) launched an upsized offer of $600 million senior unsecured notes due 2033, according to two separate Friday filings with the Australian bourse.
The company had originally intended to offer $500 million.
The senior notes have an issue price of 100% and bear an interest rate of 6.750% per annum, payable semi-annually. Settlement is expected on March 25.
Proceeds will be used to settle project financing debt at the Mantoverde subsidiary and the company's senior secured revolving credit facility, as well as for general corporate purposes, the company stated.