. Notwithstanding, the market volume of Thai vitamin C drink appeared to enjoy a pleasant growth rate Revenue from sales by product group Unit: THB million 2019 % 2020 % Amount Percent Branded products by our own

channel to communicate with the customers promptly as well as to increase pleasant level and top impression for keep maintain the existing customer base together with the increase of new customers. ▪ Risks

Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For the 4th quarter and year ended December 31th, 2019 2 Management Discussion and Analysis of Business Operation for 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 Products 23 - Natural Resources Statement of Cash Flows Statement Financial Ratios Environment Manag...