for the three-month period ended March 31, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2019 of Wiik

Period (Q1/2019) 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

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

Palmer & Turner (Thailand) Ltd MJD.IR.009/2562 14 May 2019 Subject : Clarification of the operating result for the year 2019 ended March 31, 2019 To : Director and Manager The Stock Exchange of

31, 2019 To: Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 3/2019 of General Engineering Public Company Limited (“the Company” ) held on May 14, 2019 has

1 May 15, 2019 Subjects : Clarification of operating results for the Q1/2019 Attention : The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of Eastern Printing

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

1 NO. NCH 024/2562 July 11, 2019 Subject : Notice of setting up a new subsidiary under joint venture agreement to cover intermediate care and wellness business Attn. : Director and Manager The Stock

Period (Q2/2019) 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 Six-Month period ended 30 June

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.4/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 8 August