financial statement as follows: Quarter 1 / year 2016 Quarter 1 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 132.07 90.28% 108.37 92.86% -23.70 -17.95 % Revenue from

2016 Quarter 2 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 237.96 92.26% 211.42 94.46% (26.53) -11.15 % Revenue from contract works 17.26 6.69% 9.82 4.39% (7.44

compared with net loss of Baht 7.38 million on Baht 6.81 million revenues over the same period in 2016. The change in loss for the quarterly operating result ended on June 30, 2017 is due to higher revenues

ที่ BCH No. BCH.174/2017 15 August 2017 Subject : Explanation of the change in operating results of Q2/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

September 2017 which has been reviewed by auditor are as follows: Table1: Financial Summary for the three-month period of year 2016 and 2017 Unit: Million Baht Q3’2017 Q3’2016 Increase (Decrease) % Change

ที่ BCH No. BCH.211/2017 8 November 2017 Subject : Explanation of the change in operating results of Q3/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

million Baht had increase 35 Million Baht equivalent 83% from the same period of previous year. Therefore the company would like to clarify that the change was caused mainly by the significan transaction as

compared with net loss of Baht 9.30 million on Baht 4.22 million revenues over the same period in 2016. The change in loss for the quarterly operating result ended on September 30, 2017 is due to higher

revenues compared with net loss of Baht 9.30 million on Baht 4.22 million revenues over the same period in 2016. The change in loss for the quarterly operating result ended on September 30, 2017 is due to

No.021/2018 August 15, 2018 Subject: Report the operating result for the 2nd Quarter ended June 30, 2018 and the explanation for the causes of change more than 20% in the Company’s performance