the Capital Market Supervisory Board No. TorChor. 21/2551 Re: Rules on Connected Transactions and the Notification of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of

-Translation- Ref. No. PorBor. 050 / 2019 December 27, 2019 Subject: Entering into Transaction of Acquisition of Associate Company’s ordinary shares To: President The Stock Exchange of Thailand

the Stock Exchange of Thailand period covers the duration of 6 months, starting from 6th December 2019 to 5th June 2020. December o The Company reported the result its Share Repurchase Program for

NEP 045-2562 12 September 2019 Subject: Resolutions of the Board of Directors' Meeting regarding entering into transaction with connected person To: President The Stock Exchange of Thailand The

Profit 142 55 251 76% 359% 937 521 -44% EPS (Baht/Share) 0.19 0.05 0.24 27% 359% 1.27 0.56 -56% Stock Gain/(Loss) & NRV 49 -143 -62 -227% -57% 356 -664 -286% Adjusted EBITDA (1) 224 354 449 101% 27% 1,104

: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets dated 31 August 2008, and the Notification of the Board of Governors of the Stock Exchange of Thailand Re

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

Thailand (SET)’s Electronic Listed Company Information Transmission System (SETLink). Regarding the PP share offering at a specified price, the SEC considers approval granted if the shareholders’ meeting

HONDA ENGINEERING ASIAN CO No.CS037/2017 October 31, 2017 Subject : Information Memorandum regarding the Proposed Asset Acquisition To : President The Stock Exchange of Thailand Attachment

บริษัท ยูนิมิต เอนจิเนียริ่ง จำกัด (มหาชน) No. 15 / 2017 November 15, 2017 President The Stock Exchange of Thailand 93 Ratchadapisek Road,Dindaeng, Bangkok 10400 Dear sir, Subject: Resolution of The