TRANSLATED VERSION As of February 9, 2011 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. Notification of the

Foreign Auditors in the Capital Market according to the (select only one that apply) Clause 6(1) of the Notification of the Office of the Securities and Exchange Commission No. SorShor 30/2558 Re: Approval

trading. The acts of {A} and {B} were in violation of Clause 20(2) of the Notification of the Capital Market Supervisory Board No. TorLorThor. 3/2555 Re: Approval for Personnel of Business Operator to

damages arising from or related to its use. ----------------------------- Notification of the Office of the Securities and Exchange Commission No. SorKhor/Nor. 10/2552 Re: Rules, Conditions and Procedures

- Clause 16. In cases where any one of the following characteristics applies, the SEC Office may exempt the regulations under this Notification when considering an application for approval or may not impose

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

Meeting has considered and approved the material matters as follows: 1. Asset Acquisition Transaction of the Company and its subsidiaries 1.1 Origin One Sukhumvit 24 (“One Sukhumvit 24”), a subsidiary of

2 The above transaction is considered a disposal of assets in accordance with the Notification of Capital Market Supervisory Board No. Tor Chor. 20/2551 regarding Rules on Entering into Material

Ref.: EFORL IR010/2020 9 March 2020 Subject: Notification of resolution of Board of Director meeting, schedule of the 2020 Annual General Meeting of Shareholder, Dividend Omission and Acquisition and

for the applicant for at least one year prior to the filing date 4 Amended by the Notification of the Capital Market Supervisory Board No. Tor Jor. 41/2560 Re: Provisions relating to Offer for Sale of