Sandfire Resources' (ASX:SFR) group copper equivalent production reached 37,100 tonnes in the fiscal second quarter, down from 38,000 tonnes in the prior three-month period but up from 33,200 tonnes in the year-earlier period, according to a Thursday filing with the Australian bourse.

On a quarterly basis, copper and silver production declined 6% and 1%, respectively, while zinc and lead output went up 8% and 13%.

Unaudited group sales revenue was AU$290 million and underlying operations earnings before interest, taxes, depreciation, and amortization reached AU$153 million during the quarter.

The mining company maintained its fiscal 2025 production guidance of 154,000 tonnes of copper equivalent.