Page 1 of 2 Ref. PDI/BK-BS-41/2018 11 th May 2018 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 1 st Quarter 2018 For the first quarter of 2018

Microsoft Word - MD&A SET 2019 ENG.doc Page 1 of 2 February 21, 2019 Re: Management Discussion and Analysis for the year December 31 ,2019 To: Director and Manager of the Stock Exchange of Thailand

October 2017 Subject: Notification of the Board of Directors No. 9/2017 on the Company Investment in SUT Hydro Company Limited To: The President The Stock Exchange of Thailand Pursuant Following Hydrotek

Page 1 of 3 May 10, 2019 Re: Management Discussion and Analysis for Quarter 1/2019 (March 31 ,2019) To: Director and Manager of the Stock Exchange of Thailand Patkol Public Company Limited and its

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size, based on the calculation method specified in the Stock Exchange of Thailand Notification Re: Disclosure of Information and Act of Listed Companies Concerning Acquisition or Disposition of Assets

Microsoft Word - MD&A SET Q1'2020 ENG.doc Page 1 of 2 May 14, 2020 Re: Management Discussion and Analysis for the period ended March 31 ,2020 To: Director and Manager of the Stock Exchange of

tackle two key research questions: (1) examining how share price responds to issuance of debentures by using the event study method; and (2) explaining the said response with applicable financial theory by

, 2017 To: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report the unaudited operating result for the period ended June 30, 2017 as

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