The company’s Prominent Hill operation in South Australia produced 112,008 tonnes of copper and 126,713 ounces of gold in 2017 at C1 cash costs of US83c per pound and all-in sustaining costs of $1.20/lb.
Copper output was at the upper end of guidance, gold slightly beat guidance, and costs were at the lower end of the range.
Net revenue for 2017 was an unaudited A$1.02 billion with gold representing around 20%.
OZ’s year-end cash balance lifted to $729 million, even after expenditure of $69 million on the Carrapateena development and inventory of $11 million.
CEO and managing director Andrew Cole described 2017 as a very successful year for OZ.