at cost on acquisition date in March 2012, appraised by Modern Property Consultant Co., Ltd. who is independent appraiser approved by the SEC has determined the market price base on the way to compare

increase by Baht 42.70 million or an increase of 11.57 percent from the same period of previous year, due to effective management of production cost and selling expenses. Details of the changes or impacts

targeting market in Trang and nearby provinces in order to gain larger market share. Cost of Hospital Operations The cost of hospital operations for the year 2016 and 2017 were in amounts of Baht 360.24

31 December 2017, respectively. The figures represent a year-on-year increase of 0.79%. Cost of hospital operations The cost of hospital operations amounted to Baht 273.54 million and Baht 282.81

10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 2. Cost of sales and services - tap and component parts business increased from 225.28 million baht to 275.34 million baht in the amount of 50.06

percent with gross profit margin of 35.5 percent (35.9 percent in Q1/2018). The increase of gross profit was the result of low overhead cost due to high production volume and Sales increasing.  Sales

derived from the management service and engineering service.  Overall gross profit margin decreased from 17.0% to 11.9% amount Baht (16.37) million. 2019 2018 Revenue 443.24 406.54 36.70 9.0% Cost 390.30

operation. Cost of hospital operations The cost of hospital operations amounted to Baht 71.60 million and Baht 137.31 million in the three-month period ended March 31, 2018 and the three-month period ended

percent, due to the fact that every distribution channel has expanded significantly, as well as effective cost management has resulted in maintaining gross profit margin at a good level. (2) Analysis of

ended March 31, 2019 Ocean Glass Public Company Limited Page 2/3 Management Discussion and Analysis Total Expenses (Million Baht) Quarterly Change 1/2019 1/2018 % Cost of Goods Sold 257.2 260.5 (1.2