difference and reversal of temporary difference of Baht 3.20 million. Moreover, S. Thana Media Co., Ltd. had income tax expenses for the period amounting to Baht 3.61 million. Sincerely yours

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation public company limited ("the Company") and its

the Company. Revenue Structure Q2/2018 Q2/2017 Difference Cash-Base (Walk-In) Revenue 1,240 1,049.4 190.6 18.2% Social Security Scheme Revenue 678 604.4 73.5 12.2% Universal Coverage Revenue - 22.4

marketing to promote products and services of the hospital to both local and international patients. And, the financial costs Revenue Structure Q3/2018 Q3/2017 Difference Cash-Base (Walk-In) Revenue 1,474.0

amount of Baht 74.2 million or 32.8% from the use of marketing to promote products and Revenue Structure Q3/2018 Q3/2017 Difference Cash-Base (Walk-In) Revenue 1,518.9 1,273.6 245.3 19.3% Social Security

Subject: Clarification for the year Ended May 31, 2019 operating results that posted a difference greater than 20% To: Director and Manager the Stocks Exchange of Thailand World corporation public company

20,904 19,849 34.5% 41.7% General investments 34,478 33,142 31,585 4.0% 9.2% Total net investments 584,481 575,605 556,788 1.5% 5.0% Most of the net investments were in government and state-enterprise

% 10.3% * Including net investments in associates Most of the net investments were in government and state-enterprise securities. As of September 30, 2019, these amounted to Baht 301,320 million

newly issued ordinary shares on the SET. (3) To liaise with government authorities or related regulators, such as the SEC, the MOC and the SET and any related person or organizations. 6. Approved the

the end of December 2019 due partly to higher investment in Thai government and state enterprise securities. Most investments were in Thai government and state enterprise securities. As of March 31