IR Code of Conduct

one of the company’s key front-line functions that has high interaction with investment community and public at large, as a company’s spokesperson not only to ensure investors’ confidence in the company’s business operations, but also to promote the company’s Good Corporate Governance by means of its ethical disclosure

and all of its acts adhering to the code of conduct for all Investor Relations personnel as follows:

• Perform duties with integrity and in a professional manner
• Disclose sufficient information by considering stakeholders' benefit, rights, and fair treatment
• Ensure that relevant stakeholders are able to access and inquire for necessary information
• Confidential information and any inside information for personal benefits are strictly prohibited
• Conduct regular update to refresh wider knowledge, rules and regulations to enhance IRO's effectiveness
• Silent period for 14 calendar days before the announcement date (IROs should not conduct any meeting with investor or analyst 14 calendar days before the announcement date)
• Officers of Investor Relations Division are prohibited to trade the Company’s stock for at least 30 days in advance prior to the Company’s disclosure of news on its financial statements to the Stock Exchange of Thailand and for at least 24 hours after the disclosure of such news