Ref No.Sor.Kor. 39/63 August 13 , 2020 Manager and Director of The Stock Exchange of Thailand Subject: Management discussion and Analysis for the three month and six month periods of year 2020 For

(Translated) May 12, 2020 Ref FSS 080/2020 Subject: Clarification of Company’s Operating Result for the three-month period ended March 31, 2020 To The President and Director The Stock Exchange of

and Accountancy, Chulalongkorn University, presented at the first forum of this year that investors stressed on information disclosure and expected disclosure quality which has been emphasized by the

Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: Letter of FVC Ref. No. SET-2560-025 “Transaction to Acquire Franchise Wuttisak 25 Branches from Total 113

” 25 Branches from Total 119 Branches in order to Operate Medical Service Business for Healthcare and Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: 1

No. DIGI 028/2018 14 November 2018 Subject: Management Discussion and Analysis - Explanation of net profit (loss) for the three-month period ended September 30, 2018. To: The President of Stock

หนา้ 1 VRS_13/2562 September 17, 2019 Subject Notification of investment in a subsidiary company To The President The Stock Exchange of Thailand Veranda Resort Public Company Limited (“the Company

No. WHAUP-CS014-2562 1 8 August 2019 Re Share Acquisition in Duong River Surface Water Plant JSC in Vietnam Dear President The Stock Exchange of Thailand WHA Utilities and Power Public Company

uncertain as conditions stated under Expected transaction date have to be achieved first. Therefore, the Company will calculate the value of the transaction and will inform the Stock Exchange of Thailand and

No. INGRS066 30 March 2021 Subject : Management Discussion & Analysis (MD&A) for the consolidated financial statements for the financial year ended 31 January 2021 To : The President The Stock