/3 Viphavadi-Rangsit Road, Chomphon Subdistrict Chatuchak District, Bangkok 10900 www.sec.co.th Tel: 0-2033-9999 Fax: 0-2033-9660 27 January 2021 Attention: President of the Association of Thai

Thai Listed Companies Association in cooperation with other 9 organizations, namely, 1. Office of the Securities and Exchange Commission (SEC), 2. Bank of Thailand (BOT), 3. Stock Exchange of Thailand

appraised by an independent appraiser approved by the Thai Valuers Association. The rates are determined by the service provider. 1.5 Details of connected parties PTT Public Company Limited, the major

World Steel Industry Chart of world crude steel production monthly, ending 31 December 2017 Source: World Steel Association According to the World Steel Association’s report on world crude steel

(MD&A) for year 2017 (Revised) 4 Overview of World Steel Industry Chart of world crude steel production monthly, ending 31 December 2017 Source: World Steel Association According to the World Steel

Notification: “Yearly report” means the yearly report under the Notification of the Association of Investment Management Companies governing rules and procedures for preparation of the reports on the management

Notification: “Yearly report” means the yearly report under the Notification of the Association of Investment Management Companies governing rules and procedures for preparation of the reports on the management

Notification: “Yearly report” means the yearly report under the Notification of the Association of Investment Management Companies governing rules and procedures for preparation of the reports on the management

) “Industry Association Guidelines” means guidelines concerning risk management to prevent the use of securities business for money laundering and financing of terrorism issued by the Securities Industry

anti-money laundering, including ministerial regulations, notifications, rules, regulations, and other subsidiary legislations; (7) “Industry Association Guidelines” means guidelines concerning risk