period last year. For the economic stability, headline inflation decelerated from the last quarter as result of this year’s improved supply and high base effect from last year’s drought. EASTERN WATER

(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

(119.28) (6.39%) EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS FOR Q3/2018 EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY

of Jan - Dec 2019 = 2,706.44 million Baht Revenue of Jan - Dec 2019 = 4,680.08 million Baht EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS

Agreements 3% Cost of Jan - Jun 2020 = 1,251.02 million Baht Revenue Of Jan - Jun 2020 = 2,157.63 million Baht EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION

Result of IPO Sale Reports - SA : SIAMESE ASSET PUBLIC COMPANY LIMITED Type of securities : Common share | Effective Date : 16/12/2020 | Close Selling Date : 21/12/2020 http://capital.sec.or.th/webapp

(69.21) (10.69%) EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS FOR Q1/2018 EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY

developing such branch, which HHC shall be entitled to decide for branch within 10 years) Zone Branches Franchise Period Eastern Zone where HHC already decided for branch development 9 2018 - 2029 Central Zone

date HHC exercise Franchise by operating such branch, which HHC shall be entitled to operate the branches within 10 years) Zone Branches Franchise Period Eastern Zone where HHC already decided to operate

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