GC_ONE REPORT 2021_ENG

Business as Usual Risk Factors Corporate Risk Factor Important Mitigation Measures Operational and Safety Risk Safety and occupational health are one of the most critical areas in the Company’s business operations. Improper safet y management can result in interruption of the production process and may as well as affect the operation throughout the supply chain. To ensure that all operating areas are safe, working environment is hygienic and standard of the operational management is equivalent to the international leading industries, the Company has applied the Operational Excellence Management System (OEMS) and the Process Safety Management (PSM) to enhance the operational excellence with a target to be ranked in the 1st quartile both in terms of safety and operational stability performance and to prevent unplanned downtime. GC has continuously carried out the following measures to maintain the operational reliability and safety. Collaborate with PTT Group experts to continuously assess Operational Excellence Management System (OEMS) to ensure its efficiency and effectiveness as well as enhance technical standards and machinery maintenance to maintain operational performance within the first-quartile level. Cooperate with external consultants to strengthen GC’s Process Safety Management, raising it to an international standard within the 2017-2022 timeframe, while focusing on grooming executive at all levels into role models to inspire safety practices and enhance employees’ capabilities and awareness. Apply digital technologies to enhance the Reliability & Integrity of machines such as an online equipment and machine performance and working condition monitoring, the Non-Destructive Testing (NDT) for equipment and machinery defect, and shifting to advanced technology equipment. Assess and monitor the result of suppliers’ operational management including the utility system through monthly meeting with suppliers to ensure efficient machinery maintenance as well as operational safety and continuity of supplier, to enhance operational reliability. Adopt the Business Continuity Management System (BCMS) and the Incident Management System tool (IMS) to manage emergencies and crises that may result in business interruption, to mitigate the impact of such incidents and/or shorten the recovery period. The business continuity planning (BCP) has also been rehearsed on a regular basis. Implement several personal safety projects, including Near Miss Terminator, Management Safety Walk, Supervisor Skill Workshop, and the Hand Injuries Awareness Program, with the strict use of hand injury protective equipment to reduce the risks and accidents that may occur to the workers’ hands and fingers. Build experts and develop internal personnel, applying the knowledge jointly developed with consultants, and promote knowledge management between departments so as transfer new standards and knowledge to all business units and subsidiaries. GC Group has the necessary insurance to lessen impacts resulting from unforeseen incidents. 79 BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX

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