operating results of the third quarter of 2018, ended 30 September 2018 To Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2018 of General Engineering Public Company

Eng_MD&A Final Q3'19 November 13, 2019 Ref: SET-2019-011 Re: Management Discussion and Analysis for Quarter 3’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company

August 14, 2019 Ref: SET-2019-010 Re: Management Discussion and Analysis for Quarter 2’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

29 July 2020 At: ACC/HO 014/63 Re: Management Discussion and Analysis for the Quarter of 2/2020 To: President The Stock Exchange of Thailand The Coronavirus 2019 (COVID-19) pandemic has had a

(5) types, values, serial number (if any), total unit of sukuk and the amount of fundraising, rate or proportion of returns and term of redemption; (6) means, date and place for the payment of returns

the service providers are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares not less than

are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares not less than seventy-five percent of

the Office, if the service providers are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares

2017 Subject: Notification of the Board of Directors No. 10/2017, Postponement of the date of the Extraordinary General Meeting of Shareholders No.1/2017 and the Record Date To: The President The Stock

for the year ended December 31, 2019 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of WIIK Public Company Limited “the Company