Synphaet Company Limited 65.82 47.46 Piyasiri Company Limited (Sukhumvit Hospital) (0.30) (1.89) Vibhavadi Medical Center Public Company Limited 20.59 15.37 Phayao Ram Hospital Company Limited 2.76 6.29

Company Limited (0.08) (0.07) Synphaet Company Limited 49.33 (1.96) Piyasiri Company Limited (Sukhumvit Hospital) 0.81 (6.16) Vibhavadi Medical Center Public Company Limited 13.93 10.95 Phayao Ram Hospital

Reef:020/1999 Ref : 22/2017 May 15, 2017 Subject : The explanation of operating results for the first quarter of 2017 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

Reef:020/1999 Ref : 47/2017 Aug 15, 2017 Subject : The explanation of operating results for the second quarter of 2017 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose the

Reef:020/1999 Ref : 8/2019 February 27, 2019 Subject : The explanation of operating results for the year of 2018 To : The SET President Vibhavadi Medical Center Plc.”VIBHA” hereby submits a copy of

Reef:020/1999 Ref : 22/2019 May 14, 2019 Subject : The explanation of operating results for the first quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

Reef:020/1999 Ref : 35/2019 August 14, 2019 Subject : The explanation of operating results for the second quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose

Reef:020/1999 Ref : 62/2018 November 13, 2018 Subject : The explanation of operating results for the Third quarter of 2018 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose

Reef:020/1999 Ref : 31/2020 May 15, 2020 Subject : The explanation of operating results for the first quarter of 2020 (Revise) To : The SET President Vibhavadi Medical Center Plc. would like to

Reef:020/1999 Ref : 31/2020 May 15, 2020 Subject : The explanation of operating results for the first quarter of 2020 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the