Investor Presentaiton

Mtpa 16 15 14 13 12 11 10 9 7 186 Lihir's increased throughput lowers AISC per oz 12mtpa 13mtpa 14mtpa By December 2015 By December 2016 By December 2017 Achieved with 12.4mtpa in December 2015 Achieved with 13mtpa in December 2016 quarter × Achieved with 15mtpa in March 2018 quarter quarter 15mtpa By end June 2019 Achieved with 16mtpa in June 2019 quarter Lihir mill throughput (quarterly data annualised) AISC falls in line with increased production Q3FY13 Q4FY13 Q1FY14 Q2FY14 Q3FY14 Q4 FY14 Q1FY15 Q2FY15 Q3FY15 Q4FY15 Q1 FY16 Q2FY16 Q3FY16 Q4FY16 Q1FY17 Q2FY17 Q3FY17 Q4FY17 Q1FY18 Q2FY18 Q3FY18 Q4FY18 Q1FY19 Q2FY19 Q3FY19 Q4FY19 Q1FY20 $1,400 Sep-14 Jun-14 $1,200 Dec-14 Dec-17 Jun-15 Sep-19 Mar-15 $1,000 Sep-15 Sep- Sep-16 Mar-18 Dec-18 Sep-18 Dec-16 Mar-19 Jun-19 Mar-17 $800 Mar-16 Dec-15 Jun-17 Jun-16 Jun-18 All-In Sustaining Cost (US$/oz) $600 $400 140 190 240 290 340 Quarterly production (koz) 16

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