OceanaGold Reports Additional High-Grade Drill Results at Haile

USA - English USA - English APAC - English News provided by OceanaGold Corporation May 12, 2026, 07:00 ET Share this article Share to X Share this article Share to X VANCOUVER, BC , May 12, 2026 /CNW/ - OceanaGold Corporation (TSX: OGC) (NYSE: OGC ) ("OceanaGold" or the "Company") is pleased to announce high-grade results from its ongoing exploration and resource conversion drilling program at the Haile Gold Mine ("Haile") in the United States. Drilling Highlights (core length): Continue Reading Figure 1: Plan view map showing new drillhole locations. (CNW Group/OceanaGold Corporation) Figure 2: Schematic long section (looking northwest) showing Horseshoe mineralization with recent significant intercepts highlighted. (CNW Group/OceanaGold Corporation) Figure 3: Plan view level section showing Ledbetter underground mineralization with recent significant intercepts highlighted. (CNW Group/OceanaGold Corporation) Horseshoe Underground ( conversion and extension drilling ): 15.5 m @ 30.64 g/t Au (UGD0121) 30.5 m @ 13.86 g/t Au (UGD0113) 22.5 m @ 13.42 g/t Au (UGD0122) 18.4 m @ 9.62 g/t Au (UGD0119) 21.9 m @ 6.48 g/t Au including 3.7 m @ 23.55 g/t Au (UGD0120) 26.3 m @ 3.41 g/t Au and 44.3 m @ 3.72 g/t Au (UGD0107) Ledbetter Underground ( conversion drilling ): 27.9 m @ 8.60 g/t Au (DDH1313) 27.9 m @ 4.16 g/t Au (DDH1319) 18.4 m @ 3.68 g/t Au (DDH1317) 13.0 m @ 2.25 g/t Au and 17.1 m @ 8.20 g/t Au (DDH1283) 2.6 m @ 9.63 g/t Au and 3.3 m @ 40.45 g/t Au (DDH1315) Clydesdale ( initial drilling ): 14.5 m @ 15.81 g/t Au including 4.5 m @ 41.6 g/t Au (DDH1305) Gerard Bond, President and CEO of OceanaGold, said "Our ongoing exploration success at Haile continues to demonstrate our ability to add tremendous value through the drill bit. At Horseshoe, recent drilling points to reserve growth potential near existing infrastructure, with mineralization still open in multiple directions.

Results from Ledbetter are stre