Investor Presentaiton

M MEDCOENERGI 4 M NINE MONTH RESULTS • FINANCIAL & OPERATIONAL PERFORMANCE Operations Oil & Gas production 161 mboepd • • · Power generation sales 2,930 GWh • AMNT Copper production 331 Mlbs & Gold 554 Koz Financials • • • EBITDA US$1,232mn, Net Income US$401mn Oil price US$101.4/bbl, Gas price US$7.9/MMBTU Capex: Oil & Gas US$150mn, Power US$24mn Cash costs US$7.2/boe GROWTH New GSPL GSA signed Investment decisions: • Ijen Geothermal 34 MW Sumbawa LNG Regasification terminal 77 MMSCFD ()))) • Bali PV 50 MWp • Corridor integration identified US$50mn recurring synergy (187) Natuna first gas Malong and Belida Extension expected year end =2 1) Restricted Group (RG): excluding Medco Power Financials 2) Last Twelve Months SUSTAINABILITY ESG Ratings improved: Sustainalytics from 42.2 to 36.7 · MSCI from BBB to A • CDP score improved from C to B • • • • Included in IDX LQ45 Low Carbon Leaders Index Progressing Kansai CCS and PLN Hydrogen collaborations Participated in COP 27 Indonesia delegation Materiality Assessment set 2022 - 2027 goals on Climate Change, Energy Transition, and Business Ethics On track for Energy Transition 2025 and 2030 targets CAPITAL STRUCTURE RG¹ Net Debt to EBITDA 1.5x, 2.3x LTM² mid-cycle price • Tender offers and buybacks retired US$456mn of 2025-2028 Notes USD capital market Notes reduced to 53% of consolidated debt • US$273mn RG debt repaid since Corridor acquisition Paid 2021 Final US$35mn and 2022 Interim Dividend US$25mn • Reaffirm dividend guidance IDR15-20/share

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