ที่ FPI Ref. FPI.002/2019 21 February 2019 Subject : Management Discussion & Analysis of Performance Results Of the Year Ended 31 December 2018 To : Board of Directors and President of The Stock

the Audit Committee, and approved by the Company’s Board of Directors on February 20, 2020, the Company wishes to report further clarifications in summary as follows: Summary of the Company’s operating

amounts to 7.5 Million Baht, decreased by 3.3 Million Baht or 30.6% compared to the previous year due to reduce of loan to a subsidiary. 4 Events after reporting period At the Board of Directors’ Meeting No

ที่ FPI Ref. FPI.001/2020 25 February 2020 Subject : Management Discussion & Analysis of Performance Results of the year ended 2019 To : Board of Directors and President of The Stock Exchange of

@halcyon.co.th No. CS-2563/003 27 February 2020 Subject: Management Discussion and Analysis for the Year Ended December 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

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

According to the resolution of the meeting of the Board of Directors No. 5/2017 of Rajthanee Hospital Public Company Limited (the “Company”) held on 11 Aug 2017, approving the reviewed consolidated financial

. Please be informed accordingly Sincerely yours (Ms. Supamas Trivisvavet) (Mr. Anukool Tuntimas) Directors

According to the resolution of the meeting of the Board of Directors No. 6/2017 of Rajthanee Hospital Public Company Limited (the “Company”) held on 10 November 2017, approving the reviewed consolidated

for the 3rd Quarter of 2017 Ending 30 September 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 5