. (Acceptance and Continuance of Client Relationships and Specific Engagements) 5. (Resources) 6. (Engagement Performance) 7. (Information and Communication) 8. (Monitoring and Remediation Process)

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

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

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

(Engagement Performance) (2) ( ) 6 (Monitoring) (1) (2) 100 .20 50 - 2 - 10 technical committee 5 31 2565 17,698 0.09 3 3 1 (Leadership Responsibilities for Quality within the Firm) 3 2 (Relevant Ethical

, its performance was also advanced as a result of business amalgamation and from the higher sales volume. Natural Resources Group Exploration and Production business recorded a higher selling price

gone through its planned annual turnaround maintenance, led to a softened performance when compared to the same period of last year. Natural Resources business Exploration and Production business

higher level of cassava price. Natural Resources business Group Exploration and Production business recorded lower revenue, as sales volume was reduced to realize only Nido & Martinloc, after the company

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