Shareholding Structure in Subsidiaries and Affiliates

As of 31 December 2023

Remarks : Significant change in the shareholding structure in subsidiaries and affiliates from 1 January 2023 to 31 December 2023

(1) March 31st, 2023 : PTT Phenol Co.,Ltd. (Phenol) and GC Oxirane Co.,Ltd. (GCO) have already registered their dissolutions.

(2) September 5th, 2023 : PTTGC Innovation America Corporation (GCIA) changed the company’s name to GC America Sustainability Corporation (GCAS) and PTTGC America Corporation (GCA Corp) currently hold 100% share of GCAS

(3) December 20th, 2023 : The company sold 50% of shares in GC Logistics Solutions Company Limited (GCL) to WHA Venture Holding Company Limited (WHAVH). As a result, GC currently holds 50% of GCL shares and changed from subsidiary company to joint venture company.

As of 31 December 2023

Subsidiaries

allnex
allnex Holding GmbH
Vencorex
Vencorex Holding
GCP
GC Polyols Company Limited
GC-M PTA
GC-M PTA Company Limited
TPRC
Thai PET Resin Company Limited
GGC
Global Green Chemicals Public Company Limited
ENVICCO
ENVICCO Limited
GCEC
GC Estate Company Limited
GCI
GC International Corporation
GCM
GC Marketing Solutions Company Limited
GCM China
GC Marketing Solutions (Shanghai) Company Limited
GCM DMCC
GCM Polymer Trading DMCC
GCM Indonesia
PT GCM Marketing Solutions Indonesia
GCM Myanmar
GC Marketing Solutions Myanmar Company Limited
GCM Vietnam
GC Marketing Solutions Vietnam Company Limited
GCME
GC Maintenance and Engineering Company Limited
GCTC
GC Treasury Center Company Limited
NPC
NPC Safety and Environmental Service Company Limited
NPCSG
NPC S&E Security Guard Company Limited
GC BV
PTTGC International (Netherlands) B.V.
GC Inter
PTTGC International Private Limited
GCA
PTTGC America LLC
GCA Corp
PTTGC America Corporation
GCAS
GC America Sustainability Corporation
GCV
GC Ventures Company Limited
GCVA
GC Ventures America Corporation
SUN
Solution Creation Company Limited

Joint Ventures

EOUK
Emery Oleochemicals UK Limited
GCL
GC Logistics Solutions Company Limited
HMC
HMC Polymers Company Limited
NatureWorks
NatureWorks LLC
PTTAC
PTT Asahi Chemical Company Limited
PTTMCC
PTT MCC Biochem Company Limited
RGL
Revolve Group Limited
TTT
Thai Tank Terminal Limited

Affiliates

AVT
AGC Vinythai Public Company Limited
DYCT
Dynachisso Thai Co. Ltd
EFT
Eastern Fluid Transport Company Limited
KGC
Kuraray GC Advanced Materials Company Limited
PTT Digital
PTT Digital Solutions Company Limited
SPIG
S. P. Petpack Inter Group Company Limited

Others

BSA
Business Services Alliance Company Limited
GPSC
Global Power Synergy Public Company Limited
PRS RAYONG
Pracharath Rak Samakkee Rayong (Social Enterprise) Company Limited
SPSE
Sarn Palung Social Enterprise Company Limited
TPBIMS
TPBI & Myanmar Star Company Limited