Offeror : BANGKOK DUSIT MEDICAL SERVICES PCL. | Date of submission of the Statement of Intention : 06/02/2012

Offeror : BANGKOK DUSIT MEDICAL SERVICES PCL. | Date of submission of the Statement of Intention : 02/03/2012

Date Amount Average Price (baht) The methods of Acquisition/Disposition Remark VIBHAVADI MEDICAL CENTER PUBLIC COMPANY LIMITED (VIBHA) Major General SURIYA PHALAKORNKUL Spouse / Cohabiting Couple

199 Medical Clinic Company Limited 199 Medical Clinic Company Limited offered for sale of newly issued shares in the form of general or to the public without approval from the SEC office. SEC Act

Reef:020/1999 Ref : 27/2018 May 14, 2018 Subject : The explanation of operating results for the first quarter of 2018 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

Reef:020/1999 Ref : 53/2019 November 14, 2019 Subject : The explanation of operating results for the third quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose

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Derivative Warrants | BDMS11P1601A | DERIVATIVE PUT WARRANTS ON BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY LIMITED ISSUED BY KASIKORN SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN JANUARY 2016

Derivative Warrants | BDMS16C1603A | DERIVATIVE CALL WARRANTS ON BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY LIMITED ISSUED BY THANACHART SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN MARCH