temporary 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

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

Quarter Variance Quarter Variance For 9-month periods Variance 3/2020 2/2020 (%QoQ) 3/2019 (%YoY) 2020 2019 (%YoY) Interest income 1,889.6 1,954.1 (3.3) 2,161.9 (12.6) 5,988.3 6,517.2 (8.1) Interest

and the year of 2017: Table: Operating Results (Unit: Million Baht) Items Quarter Variance Quarter Variance For years Variance 4/2018 3/2018 (%QoQ) 4/2017 (%YoY) 2018 2017 (%YoY) Net interest income

. Table: Operating Results (Unit: Million Baht) Items Quarter Variance Quarter Variance For years Variance 4/2019 3/2019 (%QoQ) 4/2018 (%YoY) 2019 2018 (%YoY) Net interest income 1,108.0 1,096.8 1.0 1,149.2