Bangkok, March 16, 2016 ? The Criminal Fining Committee has imposed a total fine of 25,322,064.39 on four offenders for using insider information to purchase ordinary shares and warrants of Siam

วัดผล Maturity Level 1 (M1) Maturity Level 2 (M2) Maturity Level 3 (M3) Maturity Level 4 (M4) Maturity Level 5 (M5) หมวดที่ 1 การกำกับดูแลและบริหารจัดการด้าน IT (Information Technology Governance) M1 M2

7.01 40.54% Consolidated financial information The gross profit increased Baht 11.83 million or 20.58%; from Baht 57.49 million in quarter 1/2017 to Baht 69.31 million in quarter 1/2018, due to following

* 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

NEP 045-2562 12 September 2019 Subject: The Sale of the machines to connected person (Add Information) To: President The Stock Exchange of Thailand The resolution of the Board of Directors’ Meeting