- Translation - CBG 009/2020 March 10, 2020 Subject: Re: Board of Directors’ resolutions to approve a joint venture investment and establishment of Subsidiary To: President The Stock Exchange of

rules until 25 December 2019. It is expected that the rules will be adopted early in 2020. 2.     Trading through secondary markets: SEC has discussed with the Stock Exchange of Thailand on the

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

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited

(Discount) on Share Capital 724.76 724.76 724.76 724.76 Retained Earnings (Deficit) 2,707.01 2,361.18 2,254.43 2,172.07 Treasury Stock - - - - Shares Of The Company Held By Subsidiaries - - - - Other

-Translation- Ref. No. PorBor. 050 / 2019 December 27, 2019 Subject: Entering into Transaction of Acquisition of Associate Company’s ordinary shares To: President The Stock Exchange of Thailand

have the investment units of a public offering listed on the Stock Exchange of Thailand as well; (8) restrictions on the allocation and transfer of investment units (if any); (9) request for the

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

Ref. PDI/BK-BS-064/2019 12th November 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2019 To: President The Stock Exchange of