Powering life with Future Energy and Beyond

Gas Business Generates Stable Returns Overview Gas transmission pipeline capacity Sole owner and operator of entire gas transmission pipelines in Thailand (~4,000 km), a regulated business IRROE ranges between 12.5% 18% for transmission pipeline investment Supply & marketing of natural gas provides fixed margin with long-term contracts of 25-30 years 6 Gas Separation Plants; Total production 6.7 MTA; are on petrochemical market price-linked profit sharing basis Yadana Myanmar Laos Natural Gas Transmission Pipeline System and Gas Seperation Plants Zawtika Yetagun Andaman Sea GAS TRANSPORTATION PIPELINE CAPACITY • Natural Gas Field Power Plant • Gas Seperation Plant Unit 1, 2, 3, 5, 6 in Rayong . Gas Seperation Plant Unit 4 in Nakhon Si Thammarat Vietnam Gas Separation Plant Capacity Unit 1 420 MMcf/d Unit 2 and 3 820 MMcf/d Sin Phu Hom Unit 4 170 MMcf/d Nam Phong. Unit 5 580 MMcf/d Unit 6 880 MMcf/d Ban I Tong Nakhon Sawan Tha Luang Thailand 44 Nakhon Ratchasima (Ayuthays) Wang Noi Kaeng Khoi Industrial Estate NBK SBK BRK Bang Chan industrial Estate Ladkrabang Industrial Estate 304 Industrial Estate Khao Hin Sorn Ratchaburi Banglee Industrial Estate Bang Po Industrial Estate Samut Prakan Chon Buri ESB Rayong Gulf of Thailand Benchamas Tantawan Platong 2 Platong Erawan • Block Valve/ Important Node Khanom North Pailin in Pipeline Network South Pailin • Map Ta Phut LNG Terminal (T-1) LNG Receiving Terminal (T-2): Future Existing Pipeline Future Pipeline Industrial Estate Nameplate Capacity Unit 1 420 MMSCFD Unit 2 and 3 820 MMSCFD Pinhong Industrial Estate ha Group in Laem Chabang Industrial Estate WHA Chonburi Industrial Estate 1. Hamara Eastern Seaboard Industrial Estate Eastern Seaboard Industrial Estate Amata City Industrial Estate Asia Industrial Estate Map Ta Phut Industrial Estate Hemara Eastern Industrial Estate (Mapa) Cambodia Arthit Bongkot South Bongkot Songkhla Sadao Nameplate Capacity ncluding incremental capacity from Dhane Seperation Plant Unit 4 170 MMSCFD Unit 5 560 MMSCFD Unit 6 880 MMSCFD Thai-Malaysia Joint Development Area (JDA) ptt 53

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