the notification of the Stock Exchange of Thailand Re: Rules, Procedures and Disclosure of acquisition and disposal of asset of the listed company should be applied mutatis mutandis (c) Appointment and

seek for information so as to calculate the appropriate price of debt instruments to be compared with the market price in order to make an investment decision. This is because the investors do not Page 7

., and Schedule for the EGM of Shareholders No. 1/2019 To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of Assets and

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

- Translation - Page 1 of 6 CBG 006/2020 20 February 2020 Subject Management discussions and analysis for the fiscal year ended 31 December 2019 To President The Stock Exchange of Thailand We

-Translation- Ref. WINNER 006/2020 February 27, 2020 Subject: Management Discussion and Analysis (MD & A) for the year 2019 To: The President The Stock Exchange of Thailand 1. Analysis of Overall

-517-0109-14 Fax 66-2-5170529 February 27, 2017 Subject Management Discussion and Analysis for the year ended December 31, 2016 To Managing Director of Stock Exchange of Thailand Table of Financial Ratio

Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the Year 2017 with the