หนังสือแสดงการรับทราบความผิด 28 February 2018 Subject : Management Discussion and Analysis of the year ended 31 December 2017 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

., Nongeiroon, Banbueng, Chonburi, Thailand 20220 Tel. 038-160707 Fax. 033-047348 www.ndrubber.co.th No. NDR005/2019 10 May 2019 Subject: Management Discussion and Analysis (MD&A) Report for the Three Month

หนังสือแสดงการรับทราบความผิด 13 May 2019 Subject : Management Discussion and Analysis of the first quarter 2019 ended 31 March 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls

Microsoft Word - MDA Q1.2019 EN_Final Page 1 of 3 GEL.CS.004/2562 14 May 2019 Subject: Management Discussion and Financial Analysis for the operating results of the first quarter of 2019, ended March

1 Translation CEN 012-2019 May 14, 2019 Subject Management discussion and analysis for business operation Quarter 1-2019 To The Manager and President The Stock Exchange of Thailand For 3 months

., Nongeiroon, Banbueng, Chonburi, Thailand 20220 Tel. 038-160707 Fax. 033-047348 www.ndrubber.co.th No. NDR006/2019 8 August 2019 Subject: Management Discussion and Analysis (MD&A) Report for the Six-Month

WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 8/2019 8 August 2019 Subject : Management Discussion and Analysis for Quarter 2 of 2019 ending on 30 June 2019. To : Directors and

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

1 Translation CEN 024-2018 May 15, 2018 Subject : Management Discussion and Analysis for quarter 1-2018 To : The Manager and President Business operation for 3 month period as ended March 31, 2018 of