Rio Tinto returns to fund LCL’s next PNG copper-gold test

• Rio Tinto can earn 51% with A$6 million of exploration and 3,000 metres of drilling
• A further A$40 million or a qualifying copper resource and scoping study could lift its stake to 80%
• Initial work centres on undrilled catchments around the Dada porphyry discovery
• Ubei’s Puma prospect has returned rock chips grading up to 367.7g/t gold and 4.29% copper