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

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

: Rules, Conditions, and Procedures for Operation of Securities Clearing Houses and Central Securities Depositories dated 3 August 2016 with respect to the procurement of adequate financial resources for

August 2016 with respect to the procurement of adequate financial resources for covering risks and the detailed operation concerning the risk management. Clause 3 The derivatives clearing house shall

RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS FOR Q2/2017 EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND

Human Resources and Payroll Outsourcing-services 60.16 45.77 56.21 47.26 1.2 Income from software and Human Resources System 45.58 34.67 34.40 28.92 Revenues from HR Solutions 105.74 80.44 90.61 76.18 2

Translation Subject: Disclosure of Financial Assistance to Affiliated Company To: President The Stock Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management

(67.55) (10.61%) 1,283.52 1,146.76 (136.76) (10.65%) EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS FOR Q2/2018 EASTERN WATER RESOURCES