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

-Translation- Ref. No. PorBor.025 / 2019 August 28, 2019 Subject: Entering into Transaction of Disposing of Subsidiary’s Land and Buildings for the Debenture Debt repayment To: President The Stock

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

ที่ กตพ Ref. DBP. 107 / 2018 August 14, 2018 Subject : Clarification on Operating Results for the 3-month Period and 6-month Period ending June 30, 2018 To : President The Stock Exchange of Thailand

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

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

Microsoft Word - CS 2562-01_BOD Resolutions_EGM 1-2562 (Eng) [ TRANSLATION ] Our Ref. JTS/CS-001/2562 January 9, 2019 Subject : Resolutions of the Board of Directors’ Meeting on the Entering into the

-Translation- Ref. No. PorBor.025 / 2019 August 28, 2019 Subject: Entering into Transaction of Disposing of Subsidiary’s Land and Buildings for the Debenture Debt repayment (Additional) To: President

-Translation- Ref. No. PorBor.025 / 2019 August 28, 2019 Subject: Entering into Transaction of Disposing of Subsidiary’s Land and Buildings for the Debenture Debt repayment (Additional information