Powering life with Future Energy and Beyond

Financial Position Strong Balance Sheets maintained credit ratings Consolidated Balance Sheets Key Financial Ratios MMTHB 8% 3,315,950 3,078,019 1.37 1.42 426,068 Net Debt/EBITDA ≤ 2.0 Cash & 725,852 361,637 AP & Other Liabilities ST Invest 655,254 0.40 0.44 AR & Other 669,177 491,769 Net Debt/Equity ≤ 1.0 Current Assets Others 1,089,407 949,825 Non- 799,199 799,587 Interest Bearing Debt (IBD) 2021 1Q22 current Assets ptt Total PTT Ratings at Sovereign Level MOODY'S S&P Global Fitch Ratings Ratings PPE 1,425,414 1,472,940 1,421,118 1,500,691 Equity Foreign Currency Local Currency Baa1 BBB+ BBB+ Baa1 BBB+ BBB+ 31 Dec 21 31 Mar 22 + Increase in Inventories and Account Receivables from higher product prices and inventory volume + Increase in Cash & Short-term Investment mainly from the increase in long term borrowings primarily from GC PTT and TOP + Increase in IBD from short-term and long-term loans as well as bonds issuances from GC + Increase in AP & Other Liabilities from commodity derivatives following higher prices and volume 13

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