Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month period ended March 31

วันที่ 25 กุมภาพันธ์ 2558 May 15, 2020 Subject: Management’s Explanation and Analysis for the 3 months period ended March 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand LDC

Exchange of Thailand Earth Tech Environment Public Company Limited (“the Company”) provides Management Discussion and Analysis for the three months and six months ended 30th June 2020 as follows Overview of

Exchange of Thailand Earth Tech Environment Public Company Limited (“the Company”) would like to inform the management’s explanation and analysis for the Company’s operating results for three months and nine

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: President The Stock Exchange of Thailand K.C. Property

สารสนเทศข่าว มติ BOD 5-60 Final 20171126 En No. NDR013/2017 Subject Resolution of the Board of Directors’ Meeting To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on 2

from product sales in total of THB 9.87 million, a decrease of THB 25.18 million or 71.84% from the same period of previous year due to there was no production since 2017 to reduce cost of managing

to the Stock Exchange of Thailand (the “SET”) until the Company and the Purchaser has signed the Land and Buildings sale and purchase agreement and the security deposit as agreed in the amount of THB

Issued Preferred Shares to Specific Investors To: The President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Asset Acquisition and Connected Transactions of U City Public Company

Exchange of Thailand Enclosure: 1) Information Memorandum on Assets Acquisition of Master Ad Public Company Limited; (amended) 2) Capital Increase Report Form (F53-4); 3) Information Memorandum on the