The Stock Exchange of Thailand The Meeting of Board of Directors of WHA Utilities and Power Public Company Limited (“Company”) No. 8/2017 on 29 September 2017 passed a resolution approving the Company

President, The Stock Exchange of Thailand Enclosure: Information Memorandum regarding to the Acquisition of Assets The Extraordinary General Meeting of WCI Holding Public Company Limited., subsidiary company

1 25 May 2020 Subject: Notification on Resolution of the Board of Directors’ Meeting No. 5/2020, Change of Directors and Directors’ Power, Entering into Connected Transaction, Entering into

1 Information Memorandum Regarding the Acquisition and Disposal of Assets The Board of Directors meeting of Cal-Comp Electronics (Thailand) Company Limited (“CCET” or “Company”) No. 3/2020 held on

network expansion. DIVIDEND PAYMENTS • On 12 September 2018, the Board of Directors meeting (“BOD”) resolved to approve the interim dividend payment from the operating results of 1H 2018 at THB 0.018 per

Company Limited would like you that the Board of Director’s Meeting No. 3/2020 held on March 12th, 2020 has an approve to enter into transaction to invest in the project of Province Waterworks Authorities

statement, Approval of the disposition of shares in subsidiary and Appointment of new director replacing resigned director To: The President, The Stocks Exchange of Thailand The Board of Directors’ Meeting of

Q1/2017 due to the declining in raw water sales volume) and Net profit attributable to Equity holders of the parent company was 302.67 million Baht, decreased by 61.26 million Baht or 16.83% compared

of Governors of the Stock Exchange of Thailand Reference is made to the resolutions of the Board of Directors’ Meeting No. 6/2018 of Master Ad Public Company Limited (the “Company”), held on May 17

decrease by 75.88 million Baht or 2.47% compared to same period of 2017) due to the declining in raw water sales volume and net profit attributable to Equity holders of the parent company was 881.03 million