เปลี่ยนแปลงกำหนดเวลาชำระหนี้ ไม่ให้ถือเป็นเหตุผิดนัดตามข้อกำหนดสิทธิ    (2) ขอยกเลิกหน้าที่ในการดำรงอัตราส่วน “หนี้สินสุทธิต่อส่วนของผู้ถือหุ้น” (net debt-to-equity ratio) ตลอดอายุของหุ้นกู้    (3) ขอผ่อนผัน

offering1. In this regard, the Company shall disclose the following information: (1) Spending of the money obtained from each offering of equity or debt securities2. Spending Objectives Amount of Spent Money

Approval for Offering for Sale of Structured Notes and relevant notifications. - 4 - SEC Classification : ใชภ้ายใน (Internal) (1) Spending of the money obtained from each offering of equity or debt

Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service income 2,220.88 100.00% 1,832.11 100.00% 388.77 21.22 Cost of service 1,868.61 84.14% 1,454.70 79.40% 413.91 28.45 Gross Profit 352.27 15.86

the Funding Structure In 2018, the Company had total debt to equity ratio of 16.1 times, as compared to 13.3 times in 2017. The interest- bearing debt to equity ratio was 10.8 times as compared to 8.9

equity. Appropriateness of the Funding Structure In 2018, the Company had total debt to equity ratio of 16.1 times, as compared to 13.3 times in 2017. The interest- bearing debt to equity ratio was 10.8

Profit Margin -51.05% -12.37% Debt to Equity Ratio (Time) 1.97 1.78 Total Expenses The 3-Month Operating Result as ended 30 June 2018 Construction Income In the 2nd quarter of 2018, the company and its

’ equity. Appropriateness of the Funding Structure In Q3 2018, the Company had total debt to equity ratio of 14.1 times, increasing as compared to 2017 of 13.3 times. The interest-bearing debt to equity

2019 D/E RATIO (Times) 1.06 1.30 Net Debt/EBITDA (Times) 3.58 4.43 Please be informed accordingly Yours sincerely, -Signature- (Miss Nilrat Jarumanopas) Chief Financial Officer Authorized to sign on

Breakdown by Type (Unit : Million Baht) 2019 2018 Change Revenue Proportion Revenue Proportion Amount Percent General patients 5,791.1 64.4% 5,051.6 61.7% 739.5 14.6 Social Security patients 3,089.4 34.3