To: President of the Stock Exchange of Thailand According to Seamico Securities Public Company Limited (“The Company”) reported the unreviewed operating result for the second quarter ended June 30

Stock Exchange of Thailand Seamico Securities Public Company Limited and its subsidiaries (“The Company”) would like to report the consolidated operating result that has been audited by our auditor for

entitled for subscription of new ordinary shares (Record Date) and Subscription period To: The President of the Stock Exchange of Thailand Enclosure: 1. No. For. 19/2018 Capital Increase, Waiver from

www.ucity.co.th (-Translation-) Ref. No. U.SET 008/2019 April 10, 2019 Subject: Entering into the Share Sale and Purchase Agreement to dispose Ordinary Shares in a Subsidiary To: The President The Stock Exchange of

BS09/2545 (Translation) No.18/2019 July 5, 2019 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 8/2019 We, AEON Thana Sinsap

- 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

16 April 2020 Subject: Notification of Acquisition of shares of Trans.Ad Solutions Co.,Ltd. Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of

paid-up capital of GS) And HECH purchase 230,813 new ordinary shares with a par value of Baht 100.00 per share, at a price of Baht 649.88 per share, totaling Baht 150.00 million. Moreover, if GS can

date disclose information to the Stock Exchange of Thailand. 4. Details of Acquired Assets After the Company purchase 100 % share of HECH from exsiting shareholder, and investing in newly issued share of

March 12,2020 Subject: Notification of the disposal of shares in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited (Revised No.2) Attention: President Stock Exchange of