the 2nd Quarter of 2017 Ending June 30, 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2017

expenses to revenue ratio was on the back of the expenses related to preparation for the planned listing to the Stock Exchange of Thailand in the first quarter of 2017 and make a perception for new hospital

หนา 1 ของ 5 ORI-FA001/2562 February 25, 2019 Title: The Operating Results of Origin Property Public Company and its Subsidiaries for the year ended December 31, 2018. To The President of The Stock

หน้า 1 จาก 4 February 27, 2020 Subject Management Discussion and Analysis for the year 2019 ending December 31,2019 To : The President The Stock Exchange of Thailand WICE Logistics Public Company

-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

President The Stock Exchange of Thailand Rajthanee Hospital Public Company Limited (“the Company”) would like to clarify the operating results of the Company and its subsidiaries for the 2nd quarter of 2018

-1- AIT (VP-SEC) 024E/2018 November 6, 2018 Subject: Management's Discussion and Analysis of Operating Results for Q3–2018 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

September 30, 2018. To The President of The Stock Exchange of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the nine-month period ended September 30

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.1/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 21 February

(raw material), COGs/revenue ratio of Q1/2019 are at high level. This is because of high stock level carried over Q4/2018.  Increase in cost of sales of are main impact to minus in bottom line. 3 / 4