-1- AIT (VP-SEC) 022E/2022 August 11, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q2-2022 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

-1- AIT (VP-SEC) 014E/2023 May 8, 2023 Subject: Management's Discussion and Analysis of Operating Results for Q1-2023 To: The President of the Stock Exchange of Thailand Summary of Operations Q1-2023

, the determination of date and time of offer, sub-delegation, filing and disclosing relevant details to the Ministry of Commerce, the Securities and Exchange Commission Thailand (SEC), the SET, and other

decreased which resulted from net gain on foreign exchange. In Q2/2019, the Company and subsidiary posted net gain from foreign exchange Baht 434 million while same period of last year posted net loss from

service use unit of production method, however, the company still could generate the Cash Margin Net gain on foreign exchange rate Consolidated net gain on foreign exchange amounted to Baht 584 million. The

Page 1 of 4 No. RJH – SET 4/2019 25 February 2019 Subject : Management’s Discussion and Analysis for the fourth Quarter of 2018 and year ended December 31, 2018 To : The President The Stock Exchange

-1- AIT (VP-SEC) 026E/2017 7 November, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q3-2017 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the three month-period ended March 31, 2019 with details as

1 Ref: AC.017/2018 14 May 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 No. CC20171103ELE November 13, 2017 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2017 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal