. When done right, they can improve the welfare of market participants. In permissionless DeFi where identity is not required and financial history less informative, regulation is more challenging. Kanis

Baht 821.6 million or 11.2 % by the following revenue structure: Unit: Million Baht Revenue Structure 2018 2017 Change General Patient Revenue 5,388.0 4,517.6 870.4 19.3% Social Security Scheme Revenue

customer base and the expansion of both local and international patient base. - The Social Security Scheme revenue for Q1/2019 were reported in the amount of Baht 681.5 million growing from Q1/2018 by Baht

: Unit: Million Baht Revenue Structure Q2/2019 Q2/2018 Change General Patient Revenue 1,384.2 1,284.6 99.6 7.8% Social Security Scheme Revenue 752.8 633.3 119.5 18.9% Other Revenue 30.0 27.3 2.7 9.9% Total

subsidiaries decreased because the Social Security Office have reduced the payment of medical expenses of high-cost deseases from 12,800.- to 10,200.-Baht,so the company has to adjust the revenue that was

follows: Unit: Million Baht Revenue Structure Q3/2019 Q3/2018 Change General Patient Revenue 1,683.8 1,518.9 164.9 10.9% Social Security Scheme Revenue 785.4 709.1 76.3 10.8% Other Revenue 31.3 26.3 5.0

general patient decreased. However Social security revenue of subsidiaries increased due to the increase of the basic capitation payment rate in year 2020. 2. Cost of hospital operations & Administrative

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No LH SOCIAL SECURITY OFFICE Disposition Stock 5.058

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No BCH SOCIAL SECURITY OFFICE Disposition Stock 5.3664

's Q3/2019 performance would significantly improve because of receive a huge medical treatment income of chronic diseases from Social Security Office through his securities trading accounts during 10