building material industry in their fundraising via capital markets, so that they can expand their business and bolster their competitiveness. In response to the fluid global economic situation and impacts

compared to the prior year. It resulted from the declining of revenues and the increasing of administrative expenses. Net profit margin to total revenues was at 2.9%. Revenues The structure of revenues for

other income. Net profit margin was at 4.2% . Revenues The structure of revenues for the year ended 31 December 2019 and 2018 are as follows; Unit: THB million Y2019 Y2018 % Change 1. Revenue from sales

existing hospitals. And, the financial costs decreased in the Revenue Structure Q1/2019 Q1/2018 Change General Patient Revenue 1,396.6 1,204.3 192.3 16.0% Social Security Scheme Revenue 681.5 618.1 63.4 10.3

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

3.73% of registered capital 6. Shareholders’ structure  Before capital increase 1. O.C.C. Plc. 6.43% 2. I.C.C. International Plc. 30.00% 3. Saha Pathana Inter-Holding Plc.* 0.00% 4. IDF Co., Ltd.* 0.00

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public