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_revised 2 To The President The Stock Exchange of

Page 1 of 5 - Translation - Ref. WINNER 0018/2019 May 13, 2019 Re Management Discussion and Analysis (MD & A) for Q1/2019 To The President The Stock Exchange of Thailand 1. Analysis of Overall

/or subsidiary company pursuant to the Notification of Capital Market Supervisory Board Ref. No. TorJor. 20/2551 Subject : Rules for entering into Material Transaction Deemed as Acquisition of Disposal

Page 1 of 6 - Translation - Ref. WINNER 0024/2019 August 13, 2019 Re Management Discussion and Analysis (MD & A) for Q2/2019 To The President The Stock Exchange of Thailand 1. Analysis of Overall

1 Ref: AC.021/2018 14 August 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.028/2018 13 November 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

AIM 1 Ref.: EFORL IR 043/2018 November 14, 2018 Subject: Management Discussion and Analysis for the third quarter of 2018 (Q3/2018) and for nine month periods ended September 30, 2018 To President

ที่บชง Page 1 of 5 Ref. Bor Chor Ngor 0413/2019 12 November 2019 Subject: Management Discussion and Analysis for the Third Quarter ended 30 September 2019 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

-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