Company Limited Attention: President The Stock Exchange of Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public Company Limited (“the Company”) No. 5/2018 held on 23rd August

December 3, 2018 Re: Assistance financial to the related companies. To: Director and Manager of Stock Exchange of Thailand According to the Board of meeting of D.T.C. Industries Plc. No. 6/2018 on

1/4 -Translation- No. KC 019/2562 4 September 2019 Subject: Notification on the resolution of the Board of Director Meeting Re: The land disposal of K.C. Park Ville (Zone B) To: President The Stock

NEP 045-2562 12 September 2019 Subject: The Sale of the machines to connected person (Add Information) To: President The Stock Exchange of Thailand The resolution of the Board of Directors’ Meeting

Limited and other information according requested by SET) Dear Directors and Managers Stock Exchange of Thailand According to Advanced Connection Corporation Public Company Limited, the “Company” has

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of

2019 Subject: Reports on Connected Transaction (receiving financial assistance) Dear: President The Stock Exchange of Thailand The Board of Directors’ Meeting of G J Steel Public Company Limited (“the

Shares of Taitanan Company Limited (a Joint Venture Company) To : President, The Stock Exchange of Thailand Enclosure : Information Memorandum Concerning the Acquisition of Nava Nakorn Public Company

-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

Nation U Co., Ltd., the subsidiary of the Company, and change in the accounting policy regarding the record of the land valuation To: Director and Manager The Stock Exchange of Thailand (SET) Attachment