OceanaGold Commences Trading on the New York Stock Exchange

VANCOUVER, BC, April 7, 2026 /PRNewswire/ - OceanaGold Corporation (TSX: OGC) (NYSE: OGC) ("OceanaGold" or the "Company") is pleased to announce the Company's common shares have commenced trading on the New York Stock Exchange ("NYSE") at market open today, Tuesday April 7, 2026, under the ticker symbol "OGC". Quotation of OceanaGold's securities on the U.S. OTC Markets has been discontinued. The Company's common shares will continue to trade in Canadian dollars on the Toronto Stock Exchange ("TSX") under the same ticker symbol, "OGC". Shareholders are not required to take any action.

OceanaGold is a global intermediate gold and copper producer committed to safely and responsibly maximizing the generation of Free Cash Flow from our operations and delivering strong returns for our shareholders. We have a portfolio of four operating mines: the wholly-owned Haile Gold Mine in the United States of America; the wholly-owned Macraes and Waihi operations in New Zealand; and the 80%-owned Didipio Mine in the Philippines.

SOURCE OceanaGold Corporation