T.K.S. TECHNOLOGIES 1 March 2021 Re: Management Discussion and Analysis for the period ended 31 December 2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

President of The Stock Exchange of Thailand Fortune Parts Industry Public Company Limited (“FPI” or “The Company”) would like to submit the annual financial statements (audited) for the year ended 31 December

No. ADD-IR2021/001 19 May 2021 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2021 To: President The Stock Exchange of Thailand AddTech Hub

(the “Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 3rd Quarter of the year 2018 ended 30 September 2018 as follows; Total Revenue The Company and

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: 1. Structure of the shareholding in subsidiary companies 2. Information on the Connected Transaction of

Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the year ended 31 December 2018. The details are as follows

Governing Members of The Stock Exchange Market of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the 6 months ended June 30, 2017. The operating

Governing Members of The Stock Exchange Market of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the first quarter ended March 31st, 2019. The

President and Governing Members of The Stock Exchange Market of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For Quarter2/2019. The operating results