GC One Report 2023 [EN]

As a policy, GC invests in subsidiaries, joint ventures, affiliates, and others to support and promote business growth. To ensure governance, GC appoints its Executives to the board of subsidiaries and assigns its representatives to serve as Directors in subsidiaries, ventures, affiliates, and others. The presence of GC’s representatives as Directors or Executives in subsidiaries, ventures, affiliates, and others enables it to participate in policymaking, stay informed, and periodically monitor performance. Any activity that may have a significant impact on GC must be approved by the Board of Directors first. Policy on Investment in Subsidiaries, Joint Ventures, Affiliates, and Other Companies Abbreviation SUN Solution Creation Company Limited GCME GC Maintenance and Engineering Company Limited NPC NPC Safety and Environmental Service Company Limited NPCSG NPC S&E Security Guard Company Limited GCTC GC Treasury Center Company Limited GCEC GC Estate Company Limited GCM GC Marketing Solutions Company Limited GCM China GC Marketing Solutions (Shanghai) Company Limited GCM Myanmar GC Marketing Solutions Myanmar Company Limited GCM Vietnam GC Marketing Solutions Vietnam Company Limited GCM Indonesia PT GCM Marketing Solutions Indonesia GCP GC Polyols Company Limited GGC Global Green Chemicals Public Company Limited GC-M PTA GC-M PTA Company Limited TPRC Thai PET Resin Company Limited GCA Corp PTTGC America Corporation GCA PTTGC America LLC GCAS GC America Sustainability Corporation GC Inter PTTGC International Private Limited GCV GC Ventures Company Limited GCVA GC Ventures America Corporation GC BV PTTGC International (Netherlands) B.V. allnex allnex Holding GmbH Vencorex Vencorex Holding GCI GC International Corporation ENVICCO ENVICCO Limited Joint Ventures EOUK Emery Oleochemicals UK Limited GCL GC Logistics Solutions Company Limited PTTMCC PTT MCC Biochem Company Limited PTTAC PTT Asahi Chemical Company Limited RGL Revolve Group Limited HMC HMC Polymers Company Limited TTT Thai Tank Terminal Limited NatureWorks NatureWorks LLC Affiliates DYCT Dynachisso Thai Co., Ltd. PTT Digital PTT Digital Solutions Company Limited KGC Kuraray GC Advanced Materials Company Limited AVT AGC Vinythai Public Company Limited EFT Eastern Fluid Transport Company Limited SPIG S.P. Petpack Inter Group Company Limited Others PRS RAYONG Pracharath Rak Samakkee Rayong (Social Enterprise) Company Limited BSA Business Services Alliance Company Limited SPSE Sarn Palung Social Enterprise Company Limited GPSC Global Power Synergy Public Company Limited TPBIMS TPBI & Myanmar Star Company Limited 79 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

RkJQdWJsaXNoZXIy ODg4NTI=