Papua New Guinea JSE: R336.11 +4.32% NYSE:$19.29 +0.78% GOLD:$4 209/oz +0.25% GOLD:R2 290 881/kg +0.25% USD:ZARR16.93 -0.03% At 04:49am, 08 Dec 2025 Home » Operations » Papua New Guinea Hidden Valley, our sole operation in Papua New Guinea, is located in one of the world’s most prospective yet under-explored terrains for copper-gold porphyry and epithermal gold mineralisation. Our copper-gold portfolio in this region includes a 50% stake in the Wafi-Golpu project in Morobe Province. Explore more Hidden Valley Hidden Valley is an open-pit gold and silver mine in Morobe Province, Papua New Guinea, some 210km north-west of Port Moresby. Read more Wafi-Golpu Project The Wafi-Golpu project is owned by the Wafi-Golpu joint venture, a 50:50 unincorporated joint venture between subsidiaries of Harmony and Newcrest Mining Limited (Australia). Read more Investing inPapua New Guinea Papua New Guinea Investment Week,6 – 11 December 2024 Presentation Fact sheet Video Harmony Australasia Tel: +61 7 3320 3700Fax: +61 7 3320 3740 Address Level 2, 189 Coronation DriveMilton, Queensland 4064Australia PO Box 1562Milton, Queensland 4064 Australia