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

percent. The Company’s net profit margin stood at 27.7 percent. An increase of net profit was a result of the Company has higher revenues from collection of purchased accounts receivables and debt tracking

(0.08) (0.08) Gross Margin -101% -45% Net Profit Margin -254% -96% Financial Performance for the 9 months ended Sebtember 30, 2019 (Unit : Millon Bath) 2019 2019 Inc/(Dec) % Construction income 218.48

year were as highlighted below ; (Unit : Million Baht) Q2/2017 Q2/2016 % Change Sales 521 501 4 Gross Profit Margin 24% 29% -5 Selling and Administrative Expenses 53 55 -4 Financial Cost 8 9 -11 Net

14,195.4 13,797.5 +2.9% 12,448.8 +10.8% [ Sales Revenue, USD $420.4 $394.0 +6.7% $364.9 +7.9% ] Cost of Sales 9,933.1 8,985.0 8,535.0 Gross margin, (%) 30.0% 34.9% 31.4% Selling&Administration 1,817.6

Revenue from sale of real estate 2,765,321 2,647,552 117,769 4.45 Gross Profit : Reals estate 904,529 896,131 8,399 0.94 Gross profit margin (%) 32.71 33.85 (1.14) (3.36) Rental and other services Revenue