หน้า 1 จาก 1 PAP_SET18004 Translation February 22, 2018 Subject: Management explanation and analysis for Year ended 31 December 2017 Attn: The Managing Director, the Stock Exchange of Thailand

บริษัท สำนักกฎหมายธรรมนิติ จำกัด Page 1 of 2 No. NDR006/2018 Date: 23 February 2018 Subject Management Discussion and Analysis (MD&A) Report for Q4/2017 Attention Directors and Manager, The Stock

Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the year 2017 as of 31 December 2017 as follows: QoQ % YoY % THB'm % Net sales 212.16

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2018 February 28, 2018 To : The President The Stock Exchange

May 10, 2019 Re : Management Discussion and Analysis (MD&A) For Quarter 1 / 2019 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- 13 May 2019 Subject: Notification of a Related-Party Transaction To: Managing Director of the Stock Exchange of Thailand Please be informed that the Board of

August 9, 2019 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2019 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

BOD Resolution 4_2018 EN_Connected Transactions_ITTC_v2 -Translation- 11 May 2018 Subject: Notification of a Related-Party Transaction To: President and Managing Director The Stock Exchange of

August 13, 2018 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2018 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

November 8, 2018 Re : Management Discussion and Analysis (MD&A) For Quarter 3 / 2018 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s