Stock Exchange of Thailand We, K.C. Property Public Company Limited and the subsidiaries (“the Company and its subsidiaries”) would like to clarify the operating performance for the six-month period ended

Stock Exchange of Thailand We, K.C. Property Public Company Limited and the subsidiaries (“the Company and its subsidiaries”) would like to clarify the operating performance for the nine-month period

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

3344 Fax. 66 2 654 3323 No. PACE IR2019/004 Date: 15 May 2019 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2019 changing over 20% To: The President The Stock

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

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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

President The Stock Exchange of Thailand Takuni Group Public Company Limited (“The Company”) and its subsidiaries (“The Group”) would like to clarify the change in operating result for the period ended 31

quarter of 2021 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the company”), are pleased to provide you our management discussion and analysis for the

May 15, 2020 Ref: SET-2020-010 Re: Management Discussion and Analysis for Quarter 1’ 2020 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries