1 / 2 IR.022/2017 13 November 2017 Re: Clarification on the changes of Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

1 / 4 No.IR.002/2018 22 February 2018 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

1 / 3 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the “Company”) would like

1 Translation CEN 001-2021 March 1, 2021 Subject Management Discussion and Analysis for the year 2020 To The Manager and President The Stock Exchange of Thailand Capital Engineering Network Public

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

the Company holds 100 percent of its total shares) (“Mo Chit Land”), to Sino-Thai Engineering and Construction Public Company Limited (“STEC”) with purchase price in amount of Baht 4,320,000,000

), submitted orders for clients to trade shares of Unique Engineering and Construction PCL., (UNIQ) in a manner that inflated the share prices.  The order were split into a number of orders despite it could be

99,999,800. In order to let the Company increase opportunity and channel in contributing value added to medical service business from the Company as being supporter of medical engineering for dialysis unit and

1 / 2 IR.009/2018 14 May 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

LIMITED KISS: ROJUKISS INTERNATIONAL PUBLIC COMPANY LIMITED KJL: KIJCHAROEN ENGINEERING ELECTRIC PUBLIC COMPANY LIMITED MAJOR: MAJOR CINEPLEX GROUP PUBLIC COMPANY LIMITED MJD: MAJOR DEVELOPMENT PUBLIC