OceanaGold Corporation is an Australia-based gold mining and exploration company. The Company is engaged in the production of gold. The Company operates through three segments: New Zealand, the Philippines and the USA. Its asset portfolio consists of the Macraes Operations (Macraes), which include the operating Macraes open pit gold mines and Frasers underground gold mine; the Didipio Operations (Didipio), which includes an open pit that commenced commercial production, and an underground mine; the Waihi Gold Mine Operation (Waihi), which includes the Martha open pit and Correnso underground gold mine, and the Haile Gold Mine Project (Haile). Macraes is located approximately 60 kilometers north of Dunedin and over 30 kilometers to the northwest of Palmerston in the Otago Region of the South Island, New Zealand. The Didipio is located in the north of Luzon Island, approximately 270 kilometers north-northeast of Manila, in the Philippines.