Offeror : THAI INDUSTRIAL GASES PLC. | Date of submission of the Statement of Intention : 30/05/2002

Offeror : THAI INDUSTRIAL GASES PLC. | Date of submission of the Statement of Intention : 29/08/2002

Offeror : SEAMICO SECURITIES PLC. | Date of submission of the Statement of Intention : 29/03/2002

Offeror : BANGKOK DUSIT MEDICAL SERVICES PCL. | Date of submission of the Statement of Intention : 07/04/2011

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

Offeror : THE SIAM CEMENT PLC. | Date of submission of the Statement of Intention : 20/08/2004

Offeror : SUNRISE EQUITY COMPANY LIMITED | Date of submission of the Statement of Intention : 28/02/2005

Offeror : UNIVENTURES PUBLIC COMPANY LIMITED | Date of submission of the Statement of Intention : 17/10/2012

Offeror : UNIVENTURES PUBLIC COMPANY LIMITED | Date of submission of the Statement of Intention : 01/11/2012