Bangchak Sriracha Market Share Analysis for June 2026

The Company has an Open Door Communications Procedure set out in the Standards of Business Conduct which encourages employees to ask questions, voice concerns, and make appropriate suggestions regarding the business practicesof the Company. Employees are expected to report promptly to management suspected violations of law, the Company’s policies, and the Company’s internal controls, so that management can take appropriate corrective action. Depending on the subject matter of the question, concern, or suggestion, each employee has access to alternative channels of communication, for example, the Controller’s Department; Internal Audit; the Human Resources Department; the Law Department; the Safety, Health and Environment Department; the Security Department; and the Treasurer’s Department. Business Operation and Anti-Corruption Suspected violations of law or the Company’s policies involving a director or executive officer, as well as any concern regarding questionable accounting or auditing matters, should be referred directly to the Company’s Internal Audit. Employees may also address communications to individual non-employee director or to the non-employee directors as a group or make complaints without identify themselves via communication channel as detailed in the Open Door Communication Procedure. As a protection measure, no action may be taken or threatened against any employee for asking questions, voicing concerns, or making complaints or suggestions in conformity with the procedures described above, unless the employee acts with willful disregard of the truth. Anti-corruption Policy Download Whistleblowing and Complaint-Filing Policy Moreover, stakeholders can directly report to the Board of Director/Audit Committee any concerns, violations of law, inaccuracy of financial reporting, defective of internal controls, violations of ethics via