Investor Presentaiton

Natural Gas Balance: Jan - Mar 2022 Main driver of the Thai economy Supply Gulf of Thailand (53%) Others, 51% PTTEP, 49% Onshore (2%) Production Ethane/ Propane/ LPG/NGL 2,346 MMSCFD Gas Separation Plant ANAWAN 108 MMSCFD Import (45%) 1,950 MMSCFD Myanmar, 37% LNG, 63% 田田 6 GSPs Total Capacity 2,870 MMSCFD @ Actual Heat Bypass Gas 171 MMSCFD Methane 1,329 MMSCFD Remark: MMSCFD = Million Cubic Feet @ Heating Value 1,000 Btu/ft³ Sales 846 MMSCFD (19%) Petrochemical Feedstock (12%) LPG/NGL Industry Household Transportation (7%) Power (60%) Industry (18%) NGV (3%) ptt 3

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