10th May, 2018 Subject: Management Discussion and Analysis (MD&A) of the financial as at and for three months’ period ending 31st March, 2018 Attention: President The Stock Exchange of Thailand P.C.S

Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

(Translation) NEP-AC 001/2561 10 May 2018 Subject : Management Discussion and Analysis for 1st Quarter ended March 31, 2018 To : The President The Stock Exchange of Thailand Operating Result NEP

ที่ กบร No. Kor Bor Ror. 008/2018 May 10, 2018 President The Stock Exchange of Thailand Re : Credit guarantee to A Tech Textile Co., Ltd. on shareholding proportion Ref : Document no. Kor Bor Ror

Acc. 005/2018 May 10, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 1/2018 Dear Sir, S. Khonkaen Foods Public Company Limited or

M.D. 053/2019 February 13, 2019 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

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

nine-month period ending 30 September 2018 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

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

-months period ending 30 September 2018 (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