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

ที่ - Translation - PorBor.076 / 2017 November 14, 2017 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

as highlighted below ; (Unit : Million Baht) Separate financial statements 2017 2016 % Change Sales and Service Income 1,979.16 1,986.34 -0.36 Cost of sales and Services 1,525.25 1,449.23 +5.25 Selling

previous year were as highlighted below ; (Unit : Million Baht) Q1/2018 Q1/2017 % Change Sales and Service Income 467 461 1 Cost of sales and Services 384 339 13 Selling and Administrative Expenses 60 70 (14

Thailand Sustainability Investment 4/ Thailand Sustainability Investment n/a Ranking by Industry Business 4/ Market/Industry/Sector Change Effective Date 02/07/2015 Previous Market/Industry/Sector SET

December 31, 2016. The major change was mainly from the increased of property, plant and equipment. 15.4 million baht. (2) Total Liabilities Company total liabilities as of June 30, 2017 was 324.9 million

amounted 1,023.1 million baht, increased 50.7 million baht or 5.2 percent compared to non-current assets as of December 31, 2016. The major change was mainly from the increased of property, plant and

2019 shows a net profit of 0.5 million baht, which was higher than the same period from previous year. Thus, the details of the Company’s performance are explained as follows; Q1/2018 Q1/2019 Change MB

Statement 1Q 1Q % Unit : THB million 2018 2017 change Revenue from non-social security 218.24 177.27 23% Revenue from social security 164.68 136.58 21% Revenue from Hospital Operations 382.92 313.85 22% Cost

person with regard to the purpose of investment, financial position and desire of such person; “related company” means (1) a company holding shares of twenty percent or more of all voting right shares of