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

Analysis Quarterly Ending March 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2019 dated May 11

RP-AC 002/2019 May 14, 2019 Subject Clarification of the operating results for the first quarter of 2019 To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company

15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

accordingly Sincerely yours (Mr. Prasert Marittanaporn) (Mr. Anukool Tuntimas) Directors

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

Yours, (Mr. Charoen Rujirasopon, Mr. Niramon Rujirasopon) Authorized Directors

results for the six-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

Microsoft Word - EKH_62-027_SET-MD&A_620813_Q2-62_EN   EKH/CS/2019/027 13 August 2019 Subject: Management Discussion and Analysis for the Second Quarter 2019 results To Directors and Manager The

2,910.87 11.27 Please be informed accordingly Sincerely yours (Mr. Prasert Marittanaporn) (Mr. Anukool Tuntimas) Directors