PTT is a fully integrated national petroleum and petrochemical company with the mission to ensure national energy security, economic prosperity, and organization sustainability in parallel with socio-environmental stewardship. PTT operates its own businesses as well as operates through its subsidiaries. Its business structure and relations are as detailed below. PTT PTT sells primary feedstock to GC (crude oil, condensate, natural gases). IRPC Refinery IRPC sells certain feedstock to GC (diesel and high-sulfur kerosene). GPSC GPSC sells certain utilities to GC (water, steam, electricity). PTT Oil and Retail Business GC sells certain products to OR (petroleum products). PTT International Trading GC sells certain products to PTTT (petroleum products, aromatics, etc.). IRPC Refinery GC sells certain products to IRPC (Euro IV diesel and jet fuel). The chart below shows major relations between GC and other companies under PTT Group with significant connection to GC’s main businesses. PTT Group’s Subsidiaries and Shareholding by Business Unit Upstream Petroleum and Gas Business Group Gas Business Supply and Distribution Gas Separation Plant Distribution Pipeline NGV Commercial and Marketing Management Gas Transmission Business PTT LNG Co., Ltd. (PTTLNG) 100.00% PTT Exploration and Production Plc. 63.79% (PTTEP)1/ PTT Natural Gas Distribution Co., Ltd. 58.00% (PTTNGD)3/ Trans Thai-Malaysia (Thailand) Co., Ltd. 50.00% (TTM(T))3/ Trans Thai-Malaysia (Malaysia) Sdn. Bhd. 50.00% (TTM(M))3/ Map Ta Phut Air Products Co., Ltd. 49.00% (MAP)3/ International Investment Business PTT Energy Resources Co., Ltd. (PTTER)100.00% PTT Green Energy Pte. Ltd. (PTTGE) 100.00% PTT Global Management Co., Ltd. (PTTGM)100.00% Downstream Petroleum Business Group International Trading Business Crude oil and condensate Refined oil product and LPG LNG and alternative products Petrochemical product, chemical and solvent Derivatives International Chartering PTT International Trading Pte. Ltd. (PTTT) 100.00% PTT International Trading London Ltd. 100.00% (PTTT LDN) PTT International Trading USA Inc. 100.00% (PTTT USA) Petrochemical and Refining Business PTT Global Chemical Plc. (GC)1/ 45.18% Thai Oil Plc. (TOP)1/ 45.03% IRPC Plc. (IRPC)1/ 45.05% PTT Tank Terminal Co., Ltd. (PTT TANK) 100.00% Oil and Retail Business PTT Oil and Retail Business Plc. (OR)1/ 75.00% NewBusiness and Infrastructure Business Group Innovation and New Ventures Engineering and Project Management Innovation Institute Energy Complex Co., Ltd. (EnCo) 50.00% PTT Energy Solutions Co., Ltd. (PTTES) 40.00% Global Power Synergy Plc. (GPSC)1/ 47.27% District Cooling System and 35.00% Power Plant Co., Ltd. (DCAP) PTT Digital Solutions Co., Ltd. (PTT DIGITAL) 20.00% VISUP Company Limited (VISUP) 22.22% InnoSpace (Thailand) Co., Ltd. (InnoSpace) 13.61% HG Robotics Co., Ltd. (HG ROBOTICS) 9.47% Baania (Thailand) Co., Ltd. (Baania) 2.63% Sunfolding, Inc. (Sunfolding) 5.81% Luminar Technologies, Inc. (Luminar) 0.08% Ample, Inc. (Ample) 1.13% Shenzhen Immotor Technology Co., Ltd. 3.05% (Immotor) NTG Holdings Pte. Ltd. (NT) 14.22% 6K, Inc. (6K) 1.30% CHCJ EQ LLC. (CHCJ) 43.73% Other Businesses PTT Treasury Center Co., Ltd. (PTT TCC) 100.00% Business Services Alliance Co., Ltd. (BSA)2/ 25.00% Sarn Palung Social Enterprise Co., Ltd. 20.00% (SPSE) Dhipaya Group Holdings Plc. (TIPH)1/ 13.46% Veolia Sustainable Solution 40.00% (Thailand) Co., Ltd. (VSS) Own Operations Investment in PTT Group Remarks: Information as of December 31, 2023. (All figures are presented by PTT’s portion.) 1/ These 7 listed companies registered in The Stock Exchange of Thailand. 2/ BSA is a wholly owned subsidiary as PTT holds all common shares of BSA. 3/ Shareholding in these subsidiaries is a joint investment in other businesses. Details are in Supplements to 56-1 One Report of PTT Public Company Limited for the year 2023. 81 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023
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