Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For Quarter 1/2020 11 - Refinery & Trading 16 - Marketing 19 - Power Plant 21 - Bio-based Products 23 - Natural

unsubscribed shares to those shareholders who have expressed their intention to subscribe for shares in excess of their shareholdings in accordance with their shareholding for another round with the same price

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

2019 dividend payment of THB 1.0 per share paid from net profit, equal to 93% dividend payout ratio. *Net Profit = Net Profit attributable to owners of the parent Financial Performance for Q4’19 and FY19

share (EPS) 0.15 0.14 (0.01) (7.73%) 0.79 0.73 (0.05) (6.73%) Note: 1) Revenue and Cost that were recognized when there is construction under concession agreements for tap water according to accounting

%. With regards to cost of sales and expenses for the year 2017, it is equivalent to 811.62 million THB or 84.67 % of total revenue compared to last year at the amount of 484. 13 Million THB or 84. 79

0.42 0.45 0.43 Interest coverage times 227.59 95.03 249.18 Dividend payout (%) 55.68%* 67.84% 57.60% * Pending for approval from the 2018 annual shareholders’ meeting Operating results for the year 2017

annual general meeting of shareholders for the Year 2018 To : The President The Stock Exchange of Thailand Attachment : Information Memorandum about the Acquisition of Assets and Connected Transaction The