Investor Presentaiton

Combined two-stage gold-silver-zinc development Refer PNX ASX release June 2021 for Project PFS PFS* confirms technical and financial viability of PNX's strategy to sequentially develop its 100% owned Fountain Head gold and Hayes Creek gold-silver-zinc Projects Robust, multi-commodity development - forecast unleveraged Pre-tax NPV 8% of A$171 million with 10- year mine life: O Undiscounted revenues of A$972 million (net of treatment, refining and transport charges) ○ Pre-tax IRR of 63% with an approximate 18-month payback period Net revenues of A$352 million, returning a net-cash position of A$276 million after tax • • O O Carry forward tax losses as at 30 June 2020 of A$43.3 million, est. A$53.8 million at Project start Commodity prices (US$) and FX rates used: gold $1,733/oz, silver $25/oz, zinc $1.31lb, US$0.77/A$1.00 LOM AISC, net of zinc by-product credits, of A$1,119/oz gold equivalent Study envisages initial gold mining and processing at Fountain Head (Years 1 to 5) to be followed by gold-silver-zinc development at Hayes Creek (from Year 4) Gold processing to take place at a proposed CIL plant located at Fountain Head Hayes Creek development will utilise the future mined-out Fountain Head pit for tailings storage Total Life of Mine production estimates of metals recovered to doré and concentrates: 250,500 ounces of gold, 11.4 million ounces of silver, and 116,300 tonnes of zinc Significant upside potential to production profile via resource growth and discovery from 1,500km² NT exploration tenure PNZ METALS *See Appendix for further details including Full Mineral Resources 22

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