Investor Presentaiton

Energy Operating Performance Star Energy Geothermal Operating Assets - Average Net Capacity Factor Wayang Windu Salak Units 1 to 3 (IP operated turbine) Barito Pacific Salak Units 4 to 6 (1) 99% 99% 97% 97% 95% 97% 95% 97% 93% 88% 90% 86% 2019 2020 2021 2022 2019 2020 2021 2022 2019 2020 2021 2022 Darajat Unit 1 (IP operated turbine) Darajat Units 2 & 3 (1) 97% 95% 88% 88% 91% 92% 84% 76% 2019 2020 2021 2022 2019 2020 2021 2022 tarenergy geothermal (1) Scheduled maintenance of PLN owned turbine on unit 1 14

View entire presentation