Investor Presentaiton

Debt Profile: Control Cost & Manage Risk Managed debt according to financial risk and policy Unit: MMTHB PTT Only Cost of debts ~ 3.58% : % fixed-rate ~ 70.79% : Avg. debt life ~ 14.65 years USD&Others THB 146,433 53,946 (37%) 92,487 (63%) 31 Dec 20 189,451 59,244 (31%) 130,207 (69%) 31 Dec 21 Debt Portfolio Consolidated 738,510 : Cost of debts : % fixed-rate : Avg. debt life 873,872 ~ 3.28% ~ 68.88% ~ 10.56 years 939,225 288,567 (39%) 389,284 (45%) 431,244 (46%) 184,837 58,623 (32%) 126,214 (68%) 449,943 (61%) 484,588 (55%) 507,981 (54%) 31 Mar 22 31 Dec 20 31 Dec 21 31 Mar 22 Note: 1. PTT Data as of 31 Mar 22 (THB/USD = 33.4553 THB/JPY = 0.2764) excluding liabilities from finance leases. 2. Debt Outstanding represents amount and portion before derivative swaps, and reconciled with accounting. 3. Cost of debts, % fixed rate, and avg. debt life took into account the derivative transactions, including withholding tax (update as of 31 Mar 22). PTT Only: Debt Outstanding and Repayment Profile Unit: MMTHB 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 16,000 39,354 21,000 2,000* 2022 2023 13,000 3,000 5,000 2024 2025 2026 Note: 1. Debt Outstanding for Repayment Profile represents financial data and portion after derivative swaps 2. Bond repayment amounting 6,236 MB in 2035 is USD swaps to THB *Exclude BAY PN 4,000 MB 2027 2028 19,090 As of 31 Mar 22 FX: 33.4553 200,000 USD (LHS) THB (LHS) 160,000 PTT Debt Outstanding (RHS) 120,000 80,000 23,419 40,000 4,000 7,000 2045 2070 2110 *PTTC10DA (Century Bonds) is due on 2 Dec 2110 2029 2030 8,000 2,000 2031 2032 15,580 3,345 2033 2034 2035 12,235 6,589 2036 2042 ptt 35

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