* Note Please find further information in the consolidated financial statements. 1 21 February, 2019 Subject: Management Discussion & Analysis (MD&A) for the year 2018 Attention: The President The

Thailand Attachment: 1. Information Memorandum on Acquisition of Assets The Board of Directors’ Meeting of Halcyon Technology Public Company Limited No. 1/2020 held on February 26, 2020 passed the important

Stock Exchange of Thailand Re: Disclosure of information and other acts of listed companies concerning the Connected Transaction B.E.2003. 2 4. Characteristics of the transaction J.S.P. Property Public

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

ที่มป - Translation - Ref : JKNGB-004-05/2018 May 11, 2018 Re: Information Memorandum on Connected Transaction on Office Space Lease Attn.: President The Stock Exchange of Thailand Enclosure

. The details are as follows; Operating Performance 1. Revenues Units: Million Information of the 3rd Quarter Consolidated Separate 3 months Change 3 months Change 2018 2017 Amount Percentage 2018 2017

Machines for the Debenture Debt repayment To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited

Transaction Rules dated 31 August 2008 (as amended) and Notification of the Board Governors of Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning Connected