ที่ กตพ Ref. DBP. 156 / 2018 November 12, 2018 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2018 To : President The Stock Exchange of

(Translation) November 14, 2018 Ref: SET-2018-017 Re: Management Discussion and Analysis for Quarter 3’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

World Corporation Public Company Limited. Ref. World 07-07/2017 4 Moo 11 Hathai Rat Road, Tumbon Lat Sawai Ampur Lum Luk Ka, Pathum Thani Province 19 July, 2017 Subject: Report of the resolutions of

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

-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

(Translation) 14th November, 2017 Ref: SET-2017-020 Re: Management's Discussion and Analysis and operating results for the 3rd Quarter 2017 Dear: The President The Stock Exchange of Thailand Filter

Microsoft Word - SET 2018-004 MD_A EN 2017 (Translation) February 22, 2018 Ref: SET-2018-004 Re: Management's Discussion and Analysis and operating results for the Year 2017 Attn. to: President The

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

Page 1 of 11 - Translation - Ref. WINNER 0029/2019 November 14, 2019 Re Management Discussion and Analysis (MD & A) for Q3/2019 period and for the nine-month ended September 30, 2019 To The President