Page 2 Management Discussion and Analysis 1. Power Industry and Competition 1.1 Electricity industry and Economic situation in Thailand Thailand’s economy expanded by 2.4 percent in 2019, lower than 2018

Year Ended December 31, 2017 Page 1 (Translation) 1. Significant events of the year 2017 1.1 The Progress of Projects 1.1.1 Collinsville Solar Power Project in Australia ("The Project") On May 5, 2017

, please contact Investor Relations Division of the Electricity Generating Public Company Limited at Tel: 662-998-5150-3 or Email: ir@egco.com Page 2 Management Discussion and Analysis 1. Power Industry and

, please contact Investor Relations Section of the Electricity Generating Public Company Limited at Tel: 662-998-5145-8 or Email: ir@egco.com Page 2 Management Discussion and Analysis 1. Power Industry and

higher average ethanol selling price, despite lower ethanol sales volume.  Revenue from electricity business decreased 16.6% due to power plants’ major shutdown maintenance during the third quarter and

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

strengthen the power distribution system, the power network system, and the users of power. - Business Services Alliance Co., Ltd., a company which engages in the businesses of service provider and human

Engagements) (1) (1) 4 (Human Resources) ( ) ( ) 5 (Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 65 2 KPMG KPMG AQIs 2 KPMG KPMG 2 KPMG KPMG KPMG KPMG KPMG KPMG KPMG KPMG 108 31 2564 5.60

) 4 (Human Resources) ( ) ( ) 5 (Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 85 2 EY data analytic tools EY EY EY EY EY EY EY EY EY 211 30 2564 6.41 35 EY 3 3 1 (Leadership

Responsibilities for Quality within the Firm) ( ) (1) 2 (Relevant Ethical Requirements) ( ) (2) 3 (Acceptance and Continuance of Client Relationships and Specific Engagements) (1) (1) 4 (Human Resources) ( ) ( ) 5