-1- AIT (VP-SEC) 033E/2020 November 10, 2020 Subject: Management's Discussion and Analysis of Operating Results for Q3–2020 To: The President of The Stock Exchange of Thailand Summary of Operations

-1- AIT (VP-SEC) 030E/2019 November 7, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q3-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox , and that the service user’s consent is required prior to provision of such

conditions different from the provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox, and that the service user’s consent is

To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the year ended December 31, 2018 with

1 Translation UWC 006/2019 February 26, 2019 Subject : Management Discussion and Analysis for year 2018 To : President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company

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 To The President The Stock Exchange of

[COMPANY NAME] Ref.: EFORL IR008/2019 March 7, 2019 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2018 To President The Stock Exchange of Thailand 1. Overview financial

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