EGCO Corporate Governance EN

19 Electricity Generating Public Company Limited General Principles Directors’ Code of Business Ethics Appendix Code of Business Ethics Anti-Corruption Good Corporate Governance Principles (1) Information of the whistleblower, i.e., first name and last name, contact information, etc. (2) Information of the alleged, i.e., first name and last name, position, etc. (3) Submission date (4) Detailed information of the complaint, i.e., date, time, place, and incident. (5) Evidence relevant to the complaint (if any). Whistleblowers can submit a complaint via the following channels: The request from external organizations or parties for a clarification of certain matters shall not be included in the scope of the Whistleblowing Policy. Instead, it shall be under the responsibility of the divisions designated by the Company’s Information Disclosure Policy and Practice Guidelines. The Company’s website: https://www.egco.com/en/whistle-blowing Email sent to one of the whistleblowing complaint receivers: • The President: ceo@egco.com • The Audit Committee: auditcommittee@egco.com • The Board of Directors: directors@egco.com Post sent to the President, the Audit Committee or the Board of Directors to the following address: Electricity Generating Public Company Limited EGCO Tower, 222 Vibhavadi Rangsit Road, Thungsonghong, Laksi, Bangkok 10210 2.2 Whistleblowing Channels 2.3 Details of Complaints

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