@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

Discussion and Analysis Quarterly Ending September 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited ( the Company) No. 5

Discussion and Analysis Quarterly Ending September 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4

announcement of proxy voting guidelines today will set standard of good practices to drive sustainable development for insurance industry, listed companies and the Thai capital market in line with international

ผลการรับฟังความคิดเห็นจากผู้เกีย่วข้อง (public hearing) เร่ือง การปรับปรุงหลกัเกณฑ์การก ากบัดูแลการประกอบธุรกจิการจัดอนัดับความน่าเช่ือถือ เพ่ือให้สอดคล้องกบั IOSCO standard และรองรับการประเมิน FSAP

: Management Discussion and Analysis for the year ended 31 December 2017 To : The President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the year ended 31

President The Stock Exchange of Thailand The Board of Director’s Meeting No. 13/2018 of J.S.P. Property Public Company Limited, held on October 16, 2018 agree to approved the receive financial assistance from

allocation together with manage a cashflow adequacy to operate business during this circumstance. Due to the extremely fluctuation of stock market in recent times, CPN Retail Growth Leasehold REIT (CPNREIT

February 21,2020 Subject: Notification of the disposal of in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited Attention: President Stock Exchange of Thailand Demeter

and social development, the issuer must comply with an internationally recognized standard. For example: (a) Green Bond : ASEAN Green Bond Standards (ASEAN GBS) or International Capital Market