GC One Report 2023 [EN]

July 26, 2023 September 14, 2023 December 20, 2023 GC becomes Thailand’s first company to trade plastic resin through the Thai-Cambodian railway route, enhancing business efficiency Through thorough studies and planning, GC initiated the transportation of plastic resin by rail, which could help reduce transportation and warehouse rental costs for customers, facilitate timely and expedited transportation, and minimize the risk of product damage or delivery errors. GC became the first company to trade plastic resin through the railway to Cambodia. This involves a transaction with UST Plastic Bottle Manufacturer, which was GC’s client and a major packaging manufacturer for bottled water in Phnom Penh, Cambodia. Additionally, GC plans to trade plastic resin to Laos as its next destination. GCand TotalEnergies ENEOS launch a solar rooftop project towards Net Zero Goal GC partnered with TotalEnergies ENEOS to initiate a solar rooftop project aimed at addressing climate change. Under this initiative, more than 11,000 solar panels were installed on the rooftops of five production facilities under GC, creating a 6.7-megawatt peak (MWp) solar energy system. This system generates approximately 9,500 megawatt-hours (MWh) of renewable energy per year, resulting in cost savings on energy expenses. It is also estimated to reduce carbon dioxide emissions by approximately 4,300 tCO2 per year, equivalent to planting over 64,500 trees throughout the agreement duration. The initiative aligns with GC’s business approach, which seeks to drive robust growth alongside customer care under the concept “Together to Net Zero,” with a medium-term target to reduce GHG emissions by 20% by 2030 and achieve Net Zero by 2050. WHA joins hands with GC to strengthen logistics capabilities, bring together expertise, and expand business WHA Venture Holding Company Limited (WHAVH), a subsidiary of WHA Corporation Public Company Limited, entered into a joint venture agreement to enhance logistics capabilities and competitiveness in providing logistics services to GC Group, merge the strengths of both companies, and expand opportunities for future business expansion. WHA is slated to acquire a 50% stake in GC Logistics Solutions Co., Ltd. (GCL), worth approximately 2,640 million baht. The collaboration between GC and WHA, a leader in warehousing and distribution centers with high-level logistics capabilities, will propel GCL towards becoming an integrated logistics company with a comprehensive business network as well as enhance GCL’s capabilities and elevate its service standards for customers, ensuring accurate and speedy product delivery at competitive costs. 21 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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