the Year as at 31 December 2017 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

Microsoft Word - MD&A Y2018-E.doc 1 Ref: CSO. 003/2019 Date: 20th February 2019 Subject: Management Discussion and Analysis for Year Ending 31st December 2018 Attention: President The Stock Exchange

. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

and Analysis for Year Ending December 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2019

RP-AC 001/2019 February 26, 2019 Subject Clarification of 2018 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like

No. MVP003/2019 26 February 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2018 To: President and Manager The Stock Exchange of Thailand M Vision Public Company

Public Company Limited 1 | P a g e November 13, 2019 Subject: Management discussion and analysis of the operating results for the quarter 3/2019 Attn: President The Stock Exchange of Thailand Please find

No. B52-202002/001 17 February 2020 Subject: Management Discussion and Analysis - for the year ended 31 December 2019. To: The President of Stock Exchange of Thailand B-52 Capital Public Company

Microsoft Word - MD&A Y2019-E FA.doc 1 Ref: CSO. 003/2020 Date: 19th February 2020 Subject: Management Discussion and Analysis for Year Ending 31st December 2019 Attention: President The Stock

Discussion and Analysis for Year Ending December 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1