346 37% 63% FY2018 33% 67% FY2017 1,386 1,802 Adjusted EBITDA Breakdown Operating Performance Exhibit 1 : Consolidated Company’s Performance UNIT: M THB 4Q2018 4Q2017 % YoY 3Q2018 % QoQ FY2018 FY2017

FY2018 Bangchak Corporation Plc. I 2 Table of Content Management Discussion & Analysis of Business Operation 03 Executive Summary 05 Important Events 08 Statement of Income 10 Business Performance 10

เป็นหลักทรัพย์ประเภทหน่วยลงทุน ท่ีให้บริการเมื่อเทียบกับการจัดอันดับของกลุ่มนั้นและจ านวนอันดับท้ังหมดของกลุ่มนั้น (fund performance) พร้อมกับตัวชี้วัดการด าเนินงานของกองทุนรวมของหน่วยลงทุนดังกล่าว

Resources CONTENTS Executive Summary 03 Statement of Income 07 Business Performance 09 Statement of Financial Position 21 Statement of Cash Flows 23 Financial Ratios 24 Environment Management Accounting 26 3

the decrease in selling and administrative expenses but also the better performance of GPSC’s power plants especially IRPC Clean Power Phase 1 whose main customer returned to operate as normal from the

copy in Thai and English) 2. Management Discussion and Analysis (MD&A) for the third quarter of 2017 (a copy in Thai and English) 3. Company's performance report, Form F45-3 for the third quarter of 2017

English) 2. Management Discussion and Analysis (MD&A) for the third quarter of 2018 (a copy in Thai and English) 3. Company's performance report, Form F45-3 for the third quarter of 2018 (a copy in Thai and

details are as follows: 1. The payment of shares and execution of agreements under the conditions of the Investment Agreement: On 14 July 2017 (Vancouver, Canada Time), BCPI made a payment for the newly

differing from other members of the Board of Directors : none The execution of joint venture contract falls within the meaning of assets acquisition according to the Notification of the Capital Market

into of such transection to the Stock Exchange of Thailand within 21 day. Subject : Information Disclosure and Execution of Listed Company due to Acquisition or Disposal of Assets B.E.2547 “Notification