has a reported a loss of US$150.4 million compared to a $14.5 million profit a year ago.
The company reported a 23.2 per cent fall in revenue to $US500.1 million.
Its full year EBITDA was $US165 million.
The company said it was expecting production for 2021 to be in the range of 340,000 to 380,000 ounces at an all-in sustaining cost of $US1,050 to $US1,200 an ounce.
Shares in OceanaGold (ASX:OGC)
are trading 7.27 per cent lower at $2.04.