PTTEP Financial and Operational Overview

E&P Portfolio | Middle East UAE Abu Dhabi Offshore 1 Exploration Abu Dhabi Offshore 1, 2, 3 (WI 30%) • High potential prospective resources with significant sizeable discoveries Operated by ENI (WI 70%) Sharjah Onshore Area A (WI 25%) . Completely signed a Farm-in/Farm-out Agreement . Operated by ENI (WI 50%) Sharjah Onshore Area C (WI 25%) • High gas & condensate potential with the possibility of • integrating with surrounding fields Operated by ENI (WI 50%) Midstream ADNOC Gas Processing (WI 2%) • AGP is one of the largest gas processing complexes in the world (total capacity of 8 BCFD) • JV: 3 plants with capacity of 1.2 BCFD • ADNOC: 2 plants with capacity of 6.9 BCFD • Essential to Abu Dhabi and UAE economy • Sizable volume of Propane, Butane and Naphtha • Operated by ADNOC (WI 68%) Abu Dhabi Offshore 2 Production phase Exploration phase Midstream Abu Dhabi Offshore 3 AGP OMAN PTTEP Sharjah Onshore Area C OLNG Production Block 6 (PDO) (WI 2%) • Largest asset covering around 1/3 of the country. Average oil production volume of 648 KBPD (3M2023) Operated by Petroleum Development of Oman Block 53 (WI 1%) • Largest single onshore producing field in Oman. Average oil production volume of 86 KBPD (3M2023) • Operated by Occidental (WI 47%) Block 61 (WI 20%) • Largest tight gas development in Middle East • Gas and condensate daily production rate of 1,460 MMSCFD and 56 KBPD (3M2023). PDO (Block 6) UAE Oman Onshore Oman Block 61 OMAN Block 12 26 26 Mukhaizna (Block 53) • Operated by BP (WI 40%) Exploration Onshore Block 12 (WI 20%) • Operated by Total E&P Oman (WI 80%) Midstream OMAN LNG (WI 2%) • The only LNG facility in Oman. Operated by Government of Oman (WI 51%)

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