Unit : Million Baht For the 3 months Change between QoQ Change between YoY For the 6 months Change between YoY Q2/18 Q1/18 Q2/17 Amount % Amount % Jun. 18 Jun 17 Amount % Revenues from medical services

13 November 2019 Subject : Explanation of the operating results for the nine months of the year 2019, change in excess of 20% Attention: Directors and Managers the Stock Exchange of Thailand According

-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock

policy of some distribution channels in domestic to enhance the efficiency of expenses. Such policy made the decrease of revenue but decrease the expenses caused from that distribution channels also. In

appreciation to competitors, especially from Vietnam. - QSR business recorded its revenue of Baht 143.0 Million that 3.1% increased from 2018 or by Baht 4.2 Million, resulted from distribution channel

and an adjustment of price. Cost of hospital operations The cost of hospital operations amounted to Baht 386.17 million and Baht 571.59 million in the year ended December 31, 2018 and the year ended

Baht 2017 2016 Change between YoY Amount % Amount % Amount % Revenues from medical services 391.84 97.29 339.83 97.01 52.00 15.30 Other revenues 10.91 2.71 10.46 2.99 0.45 4.30 Total revenues 402.74

. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

its subsidiary for the first quarter ended 31 March 2019 which the details are as follows: Unit: million Baht For 3-month period (Jan-Mar) 2019 2018 Change % Increase (Decrease) Revenue from sale of

Unit : Million Baht Q1/18 Q1/17 Change Amount % Amount % Amount % Revenues from medical services 102.12 96.09 88.86 98.12 13.26 14.92 Other revenues 4.16 3.91 1.70 1.88 2.46 144.71 Total revenues 106.28