Limited To: Secretary-General, The Office of The Securities and Exchange Commission (the “SEC”) President, The Stock Exchange of Thailand (the “SET”) Board of Directors and Securities Holders of Glow Energy

); the Fuel Ethanol Business EBITDA is THB 41 million (-29% QoQ). In June 2017, the company has informed the Stock Exchange of Thailand of the changes in shareholing structure of Bio-based Product business

FY2019 Bangchak Corporation Plc. | 03 Table of Contents 06 09 29 25 27 31 Executive Important Events Summary Business Performance 11 - Refinery & Trading 16 - Marketing 19 - Power Plant 21 - Bio-based

Bangchak Corporation Plc. I 2 03 Table of Contents 06 08 21 24 26 28 Executive Statement Summary of Income Business Performance 8 - Refinery & Trading 13 - Marketing 15 - Power Plant 17 - Bio-based Products

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The President The Stock Exchange of Thailand

Refinery & Trading Business Group 15 Marketing Business Group 17 Power Plant Business Group 19 Bio-Based Products Business Group 21 Natural Resources Business Group 23 Statement of Financial Position 26 Cash

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of