accounting standards, selling expenses recognition from Long Quan Safe Food JSC (LQSF), Vietnam, and efficient expenses control. H1/2019 Selling Expenses The Company and its subsidiaries recorded selling

29 July 2020 At: ACC/HO 014/63 Re: Management Discussion and Analysis for the Quarter of 2/2020 To: President The Stock Exchange of Thailand The Coronavirus 2019 (COVID-19) pandemic has had a

from the Department of Legal Execution, the Anti-Money Laundering Office (AMLO), the Department of Special Investigation (DSI), and the Narcotics Control Board (NCB), etc. In the case where no wrongdoing

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 29 October 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 24 November 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

1 / 2 IR.021/2019 13 November 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

regards to becoming a listed company in the Stock Exchange of Thailand. Moreover, the company has recently set up a new department in order to ensure the sufficiency of internal control. In addition

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

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