reference. 11 Notification of the Capital Market Supervisory Board No. TorThor. 43/2552 Re: Custody of Clients’ Assets by Securities Companies _________________ By virtue of Section 16/6 of the Securities and

reference. Notification of the Capital Market Supervisory Board No. TorThor. 43/2552 Re: Custody of Clients’ Assets by Securities Companies _________________ By virtue of Section 16/6 of the Securities and

reference. Notification of the Capital Market Supervisory Board No. TorThor. 43/2552 Re: Custody of Clients’ Assets by Securities Companies _________________ By virtue of Section 16/6 of the Securities and

- Translation- June 11, 2019 Subject: Notification the Acquisition of share of BS Myco Biotech Company Limited. (Additional Information Memorandum Concerning the Acquisition of Assets) To: Director and Manager

this transaction date. The acquisition of IGE shares is classified as Class 1 transaction equal to or higher than 50% but lower than 100% according to the Notification of the Capital Market Supervisory

management company as shown in the latest financial statement that has been audited by an auditor approved by the Office shall be no less than the amount that is prescribed in the Notification of the

reference. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ------------------------------- Notification

of Baht 256,500,000. The investment is considered as an acquisition of assets in accordance with the Notification of the Capital Market Supervisory Board No. TorJor. 20/2551 Re: Rule on Entering into

1 / 2 IR.009/2018 14 May 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 No.IR.018/2020 14 May 2020 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the