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 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

BS09/2545 (Translation) No. 05/2019 March 21, 2019 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 4/2019 We, AEON Thana Sinsap

1 / 2 IR.017/2019 13 August 2019 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

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

Transaction volume : Baht 91,740,000.- Above transaction came under the scope of connected transactions for listed companies as specified in The Notification of The Capital Market Supervisory Board No. Tor Chor

transactions for listed companies as specified in The Notification of The Capital Market Supervisory Board No. Tor Chor. 21/2551, regarding rules on connected transactions provided as transactions relating to

Mandarin Hotel Public Company in the portion of 55.85% and Ms. Piengchai Harnpanich is in the position of Chairperson of the Board of Directors, Chairperson of the Management and Managing Director of The

1010 Co., Ltd.) Above transaction came under the scope of connected transactions for listed companies as specified in The Notification of The Capital Market Supervisory Board No. Tor Chor. 21/2551

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