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

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

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

Ref: ACC6401 / 001 March 01, 2021 Subject Clarification of Operating results for the year 2020, Ending December 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand As Advanced

6 December 2007 Pace Development Corporation Public Company Limited 87/2 CRC Tower, All Seasons Place 45th Fl., Unit 3, Wireless Road, Lumpini, Pathumwan, Bangkok 10330 Thailand Tel. +66 2 654 3344

1 | P a g e Pace Development Corporation Public Company Limited 87/2 CRC Tower All Seasons Place, 45th Floor, Unit 4, Wireless Road, Lumpini, Pathumwan, Bangkok 10330 Tel. 66 2 654 3344 Fax. 66 2 654

1 / 4 IR.013/2018 19 July 2018 Re: The Information of a Disposition of Assets (Land sale) (Amendment) To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

year more than 20% (additional) To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of the quarter ended March 31

Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of the quarter ended June 30, 2017 according to the regulation of The Stock Exchange of Thailand as follows