PTTEP Energy Project Overview

Volume and Price PTTEP UNIT: BOED 465,459 478,323 457,237 416,141 77,207 75,191 417,167 414,516 72,617 Volume Mix 400,000 55,993 64,548 52,163 Rest of World 101,076 Gas Liquid 98,166 98,960 95,766 95,019 Other SEA 300,000 97,469 28% 27% 200,000 Thailand & 72% 73% 290,086 302,056 285,660 264,382 255,150 267,334 MTJDA 100,000 0 Q2 2022 Q3 2022 Product Price 2021 Q2 22 Q3 22 Q3 21 9M 2022 9M 2021 Gas ($/MMBTU) 5.69 6.10 6.18 5.76 6.12 5.66 Revenue Mix Liquid ($/BBL) 66.70 105.47 97.94 69.16 98.44 63.40 Weighted Avg. ($/BOE) 43.49 55.61 53.68 44.25 53.62 42.34 52% 50% Avg. Dubai ($/BBL) 69.39 108.22 96.68 71.68 100.29 66.35 Avg. HSFO ($/BBL) 64.42 104.67 74.44 68.35 89.02 62.14 48% 50% (High Sulphur Fuel Oil) Q2 2022 Q3 2022 Note: Include sales volume from ADNOC Gas Processing (AGP) Exclude Oman Block 61 deemed sales volume from tax payment by government 13

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