1 Zen Corporation Group Public Company Limited 662 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 8 May 2020 No. ZEN 2563-011 Subject Management Discussion and Analysis for the 1st

previous year, the net profit of the Corporate Group for the 1st quarter 2020 increased by 1.56 percent. Details of the changes or impacts are described in the Management Discussion and Analysis (MD&A) as

-9320 1 Ref: PCL 2020/011 May 11, 2020 Subject: Management Discussion and Analysis for the 3-month period ended 31 March 2020 To: The President of the Stock Exchange of Thailand Panjawattana Plastic

9 WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 006/2020 13 May 2020 Subject : Management Discussion and Analysis for Quarter 1 of 2020 ending on 31 March 2020. To : Directors and

หนังสือแสดงการรับทราบความผิด 14 May 2020 Subject : Management Discussion and Analysis of the first quarter 2020 ended 31 March 2020 Attn. : Director and Manager The Stock Exchange of Thailand Encls

1 Zen Corporation Group Public Company Limited 662 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 10 August 2020 No. ZEN 2563-016 Subject Management Discussion and Analysis for the

Page 1 Date 11 November 2020 Re: Management Discussion & Analysis for the 9-months period Ended 30 September 2020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC

-Translation- 1 -Translation- Ref. NCH 040/2019 November 8, 2019 Subject : Management’s Discussion and Analysis Q.3/2019 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

- Translation - 11 November 2019 Subject: Management’s Discussion and Analysis for the Operating Results of the 3 rd Quarter of 2019 Attention: The President of the Stock Exchange of Thailand Exotic

Exchange of Thailand Cal-Comp Electronics (Thailand) Plc. (“the Company”) would like to submit the analysis performance for the third quarter and the nine-month period ended 30 September 2019 compared to the