GC One Report 2023 [EN]

online and onsite formats, aimed at encouraging the exchange of information on the market situation and GC’s products. Additionally, GC regularly issues communications and hosts training sessions to provide knowledge on its products and services as well as the direction of the market to its customers, thus ensuring optimal customer experience throughout the customer journey, which leads to trust, understanding, and rapport between the Company and customers. The goal is to foster customer loyal ty and encourage them to repurchase products and services, thus becoming longterm customers. Furthermore, GC treats all customers equitably and protects its confidential data using a Data Lost Protection (DLP) system and a privacy notice and has established a personal data management and protection policy and measures in accordance with the Personal Data Protection Act (PDPA). The Company also supervises its operation to ensure the absence of profiteering and unfair trade conditions. Suppliers With regard to vender oversight, GC has established supplier management strategies encompassing supplier selection, relations management, and supplier capability assessment. Suppliers are required to comply with the Supplier Code of Conduct (SCOC) with respect to manufacturing, procurement of products and feedstocks, and service provision as well as to affix their signature to the SCOC before entering into transactions with the Company. In 2023, GC introduced a new digital vendor management system (VMS), which was applied to systematize new vendor registration, the management of data of approved vendors’ products and services, and vendor performance assessment. The VMS helps expedite data searches and ensure that vendor registration is transparent, fair, and compliant with relevant criteria and standards without unfair advantage for any specific vendor. Additionally, GC encourages suppliers to demonstrate Env i ronmental , Social , and Governance (ESG) responsibility and conducts assessments among critical suppliers with high transaction value. In 2023, ESG assessments were conducted for an eighth consecutive year, with vendors whose products and services involved ESG risks now required to also undergo the assessment. A total of 153 suppliers were assessed, and the results showed no violation of labor rights or human rights, good corporate governance principles, business code of conduct, or applicable laws, rules, and regulations, and that the safety and legal management was up to standards. GC has establ ished procurement strategies for decarbonization, with action plans and targets aligned with the corporate targets to reduce Scope 3 greenhouse gas (GHG) emissions from the waste disposal division and the transportation and service division of the polymer unit by 20% by the year 2030 and 100% by the year 2050. The 2022-2023 action plan focused on educating procurement personnel and target suppliers and familiarizing them with GC’s decarbonization roadmap through various activities to enable them to develop action plans and operate in alignment with GC’s targets. With regard to green procurement, GC has actively fostered a green network as well as encouraged suppliers to join the Green Industry (GI) Program and offered recommendations on how to apply for the program. In 2023, a total of 320 suppliers became GIcertified, up by 70 suppliers from the previous year. In addition, GC has defined the specifications of green products and services, promoted the use of products with green labels, and procured products and services certified to the Green Industry and ISO 14001 standards. In 2023, green procurement accounted for 43% of the total procurement. GC has consistently procured products and services from suppliers in communities across four municipalities around Map Ta Phut Industrial Estate to promote employment, generate revenue, enhance the quality of life for the local residents, and to contribute to Rayong’s economic development. The services sourced from these communities include cleaning, shuttle buses for employees, landscape maintenance, and waste disposal. GC also develops their capabilities to ensure the local communities can grow alongside the Company. 139 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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