Microsoft Word - Final_Eng_MD&A Q1'18.docx (Translation) May 15, 2018 Ref: SET-2018-012 Re: Management Discussion and Analysis for Quarter 1’ 2018 Attn. to: President The Stock Exchange of Thailand

-1 1 Ref. LPN/SorKor/053/2563 13rd February 2020 RE: Financial Statements Analysis Report 2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd. would like to submit

February 28, 2020 Ref: SET-2020-003 Re: Management Discussion and Analysis for the year 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

-1 1 Ref. LPN/SorKor/119/2563 7th May 2020 Re: Financial Statements Analysis Report Q1/2020 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

-Translation- Ref. WINNER 018/2020 May 14, 2020 Subject: Management Discussion and Analysis for the 3-month period ending 31 March 2020 To: The President The Stock Exchange of Thailand 1. Analysis of

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

-1 1 Ref. LPN/SorKor/098/2564 6th May 2021 Re: Financial Statements Analysis Report Q1/2021 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

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

-1 - Translation - Ref. LPN/SorKor/386/2562 7th November 2019 Re: Consolidated Financial Statements Analysis Q3/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd

Ref. DBP. 099 / 2017 August 15, 2017 Subject : Clarification on