is the second time in 1 years while the government’s consumption still growing lower continuously, due to Thailand’s budget for fiscal year 2020 was not announced. Filter Vision Public Company Limited

(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

(Translation) May 15, 2019 Ref: SET-2019-008 Re: Management Discussion and Analysis for Quarter 1’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

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

May 15, 2020 Ref: SET-2020-010 Re: Management Discussion and Analysis for Quarter 1’ 2020 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries

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

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

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

1/3 REF: SET-2018-018 November 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2018 To President The Stock Exchange of Thailand Filter Vision Public Company Limited

(Translation) February 27, 2019 Ref: SET-2019-003 Re: Management's Discussion and Analysis and operating results for the Year 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision