August 14, 2019 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

หนังสือแสดงการรับทราบความผิด 11 May 2018 Subject : Management Discussion and Analysis of the first quarter 2018 ended 31 March 2018 Attn. : Director and Manager The Stock Exchange of Thailand Encls

สรุปผลการดำเนินงานของบจ -Translation- May 11, 2018 Subject: Management Discussion and Analysis for the Quarter 2/2018 To: Managing Director The Stock Exchange of Thailand Inoue Rubber (Thailand

-9320 1 Ref: PLC 2018/009 May 11, 2018 Subject: Management Discussion and Analysis Quarter 1 Ended 31-Mar-2018 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

Page 1 of 2 No. ACC1805/02 May 31, 2018 Subject: Explanation of Financial Performance for the Quarter 1/2018 ended March 31, 2018 To: President, The Stock Exchange of Thailand According to the

: BC.017/2018 May 11, 2018 Subject Interim Management’s Discussion and Analysis for the three months ended March 31, 2018 To The President The Stock Exchange of Thailand Management Discussion and

Period (Q1/2018) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period ended 31 March

(Translation) UAC.CS/011/2018 May 14, 2018 Subject: Explanation of the operating results for the first quarter period ended March 31, 2018 To: President The Stock Exchange of Thailand Attachment

Period (Q1/2018) (Revise No.1) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period

-Translation- 1 -Translation- Ref. NCH 033/2018 May 14, 2018 Subject : Management’s Discussion and Analysis 1Q/2018 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the