Investor Update April 2022

PTT Group Performance: 4Q2021 (QoQ & YoY) ptt Performance 100% Unit: MMTHB % PTT holding Equity Method % PTT 4020 3021 4021 QoQ ΥΟΥ 4020 3021 4021 OoQ YOY PTT Net Operating Income 8,351 8,248 7,683 -7% -8% 8,351 8,248 7,683 -7% -8% E&P - PTTEP 2,527 9,545 10,646 12% >100% 65.29% 1,623 6,231 6,950 12% >100% Petrochemical - GC 6,467 7,083 3,278 -54% -49% 2,885 3,545 1,064 -70% -63% 6,405 7,005 3,247 -54% -49% 48.18% 2,824 3,467 1,033 -70% -63% - Other 62 78 31 -60% -50% 61 78 31 -60% -49% Refining - TOP 8,866 4,217 7,228 71% -18% 1,187 693 4,070 >100% >100% 7,258 2,062 5,033 >100% -31% 48.03% 455 (337) 3,000 >100% >100% - IRPC 1,608 2,155 2,195 2% 37% 48.05% 732 1,030 1,070 4% 46% Oil - OR 2,923 1,893 2,353 24% -20% 75.00% 3,035 1,410 1,699 20% -44% NBI - GPSC/TP/DCAP/PTTES/PTTDIGITAL/ENCO 2,104 2,263 1,534 -32% -27% 587 974 645 -34% 10% Others Business (4,448) 3,344 5,705 71% >100% (4,538) 2,552 5,423 >100% >100% Inter - PTTER/PTTGM (5,799) 538 3,298 >100% >100% 100.00% (6,010) 36 3,348 >100% >100% Gas - PTTLNG/PTTNGD/PTTGL/TTM(T)/TTM(M) 1,037 2,412 2,316 -4% >100% 1,157 2,118 1,971 -7% 70% Other - PTTT/Others¹/ 314 394 91 -77% -71% 315 398 104 -74% -67% Shared of Net Income from Affiliates Tax Adjustment for Gain on Disposal of Investment and Asset 18,439 28,345 30,744 8% 67% 4,779 15,405 19,851 29% >100% 17 10 100% -41% 17 10 100% -41% PTT Consolidated Net Income 26,807 36,593 38,437 5% 43% 13,147 23,653 27,544 16% >100% 1/Including PTTGE, BSA, and PTT TCC 30

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