1 Translation UWC 022-2018 May 14, 2018 Subject : Management Discussion and Analysis for quarter 1-2018 To : President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company

and Analysis for the three-month period ended 30 Jun. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 6

: President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2018 are summarized as

, 2018 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 6-month period ended June 30

and Analysis for the three-month period ended 30 Sep. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9

วันที่ 25 กุมภาพันธ์ 2558 November 13, 2018 Subject: Management’s Discussion and Analysis for the 9 months period ended September 30, 2018 Attention: Director and Manager The Stock Exchange of

/2019 regarding the Acquisition and Disposition of Assets of the Company due to the investment in Energy Revolution Company Limited. Attention: President, The Stock Exchange of Thailand According to the

/2019 regarding the Acquisition and Disposition of Assets of the Company due to the investment in Energy Revolution Company Limited. (Revised) Attention: President, The Stock Exchange of Thailand

(Translation) UAC.CS/016/2019 November 7, 2019 Subject: Explanation of the operating results for the third quarter period ended September 30, 2019 To: President The Stock Exchange of Thailand

1 RP-AC 004/2019 NOVEMBER 13, 2019 Subject: Clarification of the operating results for the third quarter of 2019 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public