and the announcement of the Stock Exchange of Thailand ’s Board on the disclosure of information and practices of listed companies on connected transactions, B.E. 2546 (2003). The details are shown in

1 / 2 IR.017/2018 14 August 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

\(Microsoft Word - 16 \\312\\244 61_Eng_.doc\) August 16th, 2018 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Muengloei-Ram Co.,Ltd.(s remainder and new

1 / 2 IR.023/2018 13 November 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

December 12, 2018 Subject : Acquisition of 84.50% shares of WPS (Thailand) Co., Ltd. Attention : Director and Manager Stock Exchange of Thailand Enclosure : 1. Memorandum of the Acquisition of Asset

MDE01_2018_10Jan2019 draft (Translation) No. 01/2019 January 10, 2019 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 1/2019 We

September 3rd,2019 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Thonburi Healthcare Group PLC. The board of directors of Ramkhamhaeng Hospital Public Co

BS09/2545 (Translation) No. 20/2019 September 10, 2019 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 10/2019 We, AEON Thana Sinsap

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public