ที่ FPI Ref. FPI.011/2019 14 November 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 3/2019 To : Board of Directors and President of The Stock Exchange of Thailand

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

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) - Translation - 14 August 2019 Subject : Disclosure of connected transaction by a subsidiary Attention : President The Stock Exchange of Thailand Vanachai Group Public

www.ucity.co.th (-Translation-) Ref. No. U.SET 008/2019 April 10, 2019 Subject: Entering into the Share Sale and Purchase Agreement to dispose Ordinary Shares in a Subsidiary To: The President The Stock Exchange of

ที่ FPI Ref. FPI.006/2019 10 May 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 1/2019 To : Board of Directors and President of The Stock Exchange of Thailand

Limited Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Connected Transaction of the Company Concerning Acquisition of Shares in CS LOXINFO Public Company Limited

memorandum on execution of the connected transaction to the Stock Exchange of Thailand, and also seek approval from the Shareholders’ Meeting with the favorable votes of not less than three-fourths of all

16 April 2020 Subject: Notification of Acquisition of shares of Trans.Ad Solutions Co.,Ltd. Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of

of Shares of Trans.Ad Solutions Co., Ltd. (Added) Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of Nation International Edutainment Public Company

May 12, 2020 has resolved to approve the Company’s subsidiary, Cal- Comp Precision Holding Co., Ltd.’s (“CCPT-KY”) initial public offering plan (the “IPO Plan”) to be listed in the Taiwan Stock Exchange