. However, the cost increase was at lower rate than revenue increase. Likewise, 4Q17 hospital cost increased by 10% yoy lower than revenue growth. As a result, gross margin improved to 30% in 2017 from 28

from each insurer. Cost of Hospital Operations Cost of hospital operations in 3Q19 increased by 7% yoy slightly below the increase of revenue. As such, gross margin has improved from 31.2% to 31.6%. The

result, gross margin improved from 28% in 9M16 to 30% yoy and from 30% in 3Q16 to 33% yoy. This improvement was not only contributed by the increase of bill amount and social security payment rate but also

, taxes and depreciation For 4Q’18 and year 2018, Earnings before interest, taxes and depreciation ( “EBITDA”) increased by 11% and 12% yoy, respectively. The increase in EBITDA came from both improved

to 72% in 2Q18. The improved margin was not only attributed by the increase of fixed income from SW revenue and higher revenue per visit of non-SW category but also from the efficient cost control of

the same period of the year earlier and has gross profit margin of 31.89%. because the company has improved the structure within the organization. The company has administrative expenses of THB 3.56

progresses in the areas of market supervision and development, such as quality enhancement of IPO issuers and listed companies, legal enforcement in various cases, and improved transparency and fairness in

, the company’s gross margin has been widen from 33% of revenue in 1Q’18 to 36% in 1Q’19. The improved margin was not only attributed by the increase of fixed income from social security revenue and

revenue increase. As a result, gross margin improved to 33% in this quarter from 28% yoy. This improvement was contributed by the increase of social security payment rate and more revenue contribution from