2017 Bangchak Corporation Plc. Table of Contents 6 8 08 8 Refinery Business 12 Marketing Business 13 Green Power Business 15 Bio-Based Products Business 18 Exploration & Production Business 21 25 23

2017 Bangchak Corporation Plc. Table of Contents 7 9 09 8 Refinery Business 13 Marketing Business 14 Green Power Business 16 Bio-Based Products Business 18 Exploration & Production Business 22 26 24

Bangchak Corporation Plc. I 2 03 Table of Contents 06 08 20 22 24 26 Executive Statement Summary of Income Business Performance 08 - Refinery & Trading 13 - Marketing 15 - Power Plant 17 - Bio-based Products

guidelines, the manual and the disclosure checklists available on the SEC website. Table of Contents Part 1: Business Operation Page 1. Policy and business overview 2. Nature of business 3. Rick factors 4

prescribed three times the equity whereby the debt and equity of the trust’s subsidiary (if any) shall be accumulated therewith in accordance with the preparation rules for a consolidated financial statement

be in compliance with the rules under Division 3 of this Chapter. Clause 13 Disclosure of the financial statements and consolidated financial statements of an issuer of debt securities in a

Company which is different from the opinion of the Board of Directors -None- The Board of Directors certifies that the contents contained in this letter are correct and accurate in all aspects, and the

securities company to obtain prior approval in accordance with Clause 19. In cases where the securities company has submitted the contents of an advertisement to the Office, and the Office does not make an

the securities company has submitted the contents of an advertisement to the Office, and the Office does not make an objection within five business days from the date when it received such advertisement

, advertising and public relation to promote its contents. Such promotion strategy resulted in continuous growth in revenue form program right of the Company. Baht Million 2017 2018 +/(-) +/(-) % Expense from