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

Persons to Disclose Information

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

) Authorized Persons to Disclose Information

Reef:020/1999 Ref : 73/2017 November 13, 2017 Subject : The explanation of operating results for the Third quarter of 2017 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose

Net Tangible Asset (NTA), and is not a related transaction and that the size of the transaction does not require us to disclose the information in accordance with the disclosure rule for acquisition and

% of company’s Net Tangible Asset (NTA), and is not a related transaction and that the size of the transaction does not require us to disclose the information in accordance with the disclosure rule for

means that such signing on those Agreements shall be complete within December 2017. Please be informed accordingly. Sincerely yours, -DR. WICHIT TECHAKASEM- Managing Director Authorized Person to Disclose

of September 30, 2017, do not reach the criteria to disclose information in accordance with Acquisition and Disposition of Assets in accordance with the Notification of the Capital Market Supervisory

-added contribution to the shareholders onwards. Please be informed accordingly. Sincerely yours, -DR. WICHIT TECHAKASEM- Managing Director Authorized Person to Disclose Information Company Secretary Tel