วันที่ 10 พฤษภาคม พ -Translation- 1 Ref. LPN/SorKor/025/2561 14th February, 2018 Re: Report of Financial Statement for Year 2017 Dear: President The Stock Exchange of Thailand L.P.N. Development

-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

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1 Ref: AC.024/2019 3 August 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

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

: Management explanation and analysis for the yearly ending 31 December 2018 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “ the Company” ) would like to

The Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the 1st quarter of 2018. The MD&A would enable the

and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating

1 - TRANSLATION - VS/PC (Q-CON) 016/2018 May 10th , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2018

1 - TRANSLATION - KT/PB (Q-Con) 001/2020 February 13, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2019 Quality Construction