previous year mainly due to in 2017, one of subsidiary which operates ethanol business has amalgamated with Bio-fuel business of subsidiary of Bangchak Corporation PCL. This amalgamation in accounting aspect

increased by 16%. However the Company recorded sales volume decrease from 875,841 tons to 687,046 tons and marked to Other incomes In 2017, the subsidiary’s ethanol business has amalgamated with Bio

power transmission within Data Center and (2) IGEN Energy Company Limited (“IGEN- ENERGY”) (previously “Siam Bio Generation 1 Company Limited”) as its business of Alternative energy supply Investment

. There are two subsidiaries which consisted of IGEN Power Tech Co., Ltd., which IGE owns 51% shares and Siam Bio Generation 1 Co., Ltd., which IGE owns 100% shares. Company Profile: IGEN Engineering Co

Bangchak Corporation Plc. Table of Contents 5 10 0 10 Refinery Business 14 Marketing Business 16 Green Power Business 18 Bio-Based Products Business 21 Exploration & Production Business 26 31 30 Statement

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

& Trading Business Group 11 Marketing Business Group 13 Power Plant Business Group 14 Bio-Based Products Business Group 16 Natural Resources Business Group 18 Statement of Financial Position 20 Cash Flows

& Trading Business Group 12 Marketing Business Group 14 Power Plant Business Group 16 Bio-Based Products Business Group 18 Natural Resources Business Group 20 Statement of Financial Position 22 Cash Flows

Bangchak Corporation Plc. I 2 03 Table of Contents 06 08 22 25 27 29 Executive Statement Summary of Income Business Performance 8 - Refinery & Trading 13 - Marketing 15 - Power Plant 17 - Bio-based Products