November 13, 2006 May 15, 2018 Subjects : Clarification of operating results for the Q1/2018 Attention : The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of

August 14, 2018 Subjects : Clarification of operating results for the six-month period ended

November 13, 2006 November 13, 2018 Subjects : Clarification of operating results for the nine-month period ended September 30, 2018 Attention : The Director and Manager of the Stock Exchange of

Reporting Initiative (GRI); (d) In the case where the Company has prepared the sustainability development report, summarize only the essences of the contents under the four topics on the business

sustainability development report, summarize only the essences of the contents under the four topics on the business sustainability development via 56-1 One Report and make a reference to the sustainability

with the NHRC on 31 May 2019. The operation of SEC in this matter covers 4 main topics namely: (1) raising awareness among listed companies, (2) providing training for executives and staff of listed

moderator. The topics of the conversation were:  (1) Possible approaches for promoting conversations and discussions among investors, developers, business operators and the public sector; (2) Potential risks

activities Skill and knowledge-oriented activities useful for performing duties of investor contacts, covering (1) business-related subjects and (2) rules, regulations, code of ethics or relevant laws. 1.3

. 1.2 Scope of activities Skill and knowledge-oriented activities useful for performing duties of investor contacts, covering (1) business-related subjects and (2) rules, regulations, code of ethics or

-related subjects and (2) rules, regulations, code of ethics or relevant laws. 1.3 Duration of activities At least 15 hours of participation in relevant activities during the past two calendar years prior to