1319/9 Pattanakarn Soi 25 Pattanakarn Road Khwaeng Suan Luang, Khet Suan Luang Bangkok 10250 Tel: 02-318-4488 Fax: 02-318-0022 Ref. AU 013/2017 - Translation - 13 November 2017 To: Director and the

Company Limited - Translation - Ref: IR61/007 26 February 2018 Re: Management Discussion and Analysis for Yearly Ending 2016 To: President The Stock Exchange of Thailand Pursuant to Jaymart Public Company

-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

-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

-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

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

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. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of

page 1/6 (TRANSLATION) Ref. WINNER 0004/2019 February 26, 2019 Re Management Discussion and Analysis (MD&A) for the year 2018 and for the year 2017 To The President The Stock Exchange of Thailand 1

(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