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

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

MDE05_22May18 (Translation) No.15/2018 May 22, 2018 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 5/2018 We, AEON Thana Sinsap

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

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

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

like to clarify a significance change of Group’s operation results were summarized as follows 1. Revenue from sales of goods and rendering of services for the year 2019 decreased by 13% compared to the

1 / 3 IR.031/2020 13 August 2020 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

หนังสือบริคณห์สนธิ RHOM BHO PROPERTY PUBLIC COMPANY LIMITED 53 Sukontasawad Rd. Ladprao, Ladprao, Bangkok 10230 Tel: 02-907-8140-2 Fax: 02-907-8144 Page 1 of 3 TITLE 008/2020 August 14, 2020 Subject