Investor Update April 2022

Financial Position Strong Balance Sheets maintained credit ratings Consolidated Balance Sheets MMTHB Key Financial Ratios ptt 21% 1.68 3,078,019 1.37 Net Debt/EBITDA ≤ 2.0 2,544,183 361,637 655,254 Cash & AP & Other Liabilities 0.40 0.29 ST Invest 491,769 Net Debt/Equity ≤ 1.0 416,921 462,835 AR & Other Current 304,010 Assets 799,199 Others 795,503 Interest 949,825 Bearing Debt (IBD) 2020 2021 530,535 Non- current Assets Total PTT Ratings at Sovereign Level MOODY'S S&P Global Fitch Ratings Ratings PPE 1,292,717 1,285,845 1,425,414 1,472,940 Equity Foreign Currency Local Currency Baa1 BBB+ BBB+ Baa1 BBB+ BBB+ 31 Dec 20 31 Dec 21 + Increase in Others Non-current Assets mainly from the increase in intangible assets and goodwill from GC's acquisition of Allnex + Increase in Account Receivables and Inventories from the rise of product prices + Higher PPE from PTTEP's business acquisition of Oman Block 61 and TOP's construction in progress of Clean Fuel Project + Increase in IBD from long-term loan and bond issuances of GC, PTT, and TOP + Increase in Equity due to PTT group's net profit and OR's capital increase 13

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