: President The Stock Exchange of Thailand Reference Letter: The Letter of the Company dated 10 April 2018 re: Acquisition and Disposition of Assets Pace Development Corporation Public Company Limited (the

of the Board of Directors Meeting No. 2/2019 and the convening of the 2019 Annual General Shareholders Meeting To President Stock Exchange of Thailand Reference Letter to the President of the Stock

of the shareholders or [iii] any other proceeding in order to perform in accordance with law on capital market, which have to be provided the asset appraisal for support. “law on capital market” means

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: Structure of the shareholding in subsidiary companies Filter Vision Public Company Limited (“the Company

2017 To : Directors and Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.8/2017 of Wattanapat Hospital Trang Public Company Limited (“the

deemed to have the permission to use back office service from the Office, if the service providers are as follows; (1) The Stock Exchange of Thailand; (2) Limited company or Limited public company

broker shall be deemed to have the permission to use back office service from the Office, if the service providers are as follows; (1) The Stock Exchange of Thailand; (2) Limited company or Limited public

follows; (1) The Stock Exchange of Thailand; (2) Limited company or Limited public company established by the Stock Exchange of Thailand and holds shares not less than seventy five percent of total sold

1 No. LorBor. 11/2019 May 13, 2019 Re: Joint Venture in Pulp Mold Manufacturing Project Attn.: President The Stock Exchange of Thailand Kaset Thai International Sugar Corporation Public Company

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