Reporting Person : - | Type of securities : - | Date of reporting obligation : 21/03/2005

Reporting Person : - | Type of securities : - | Date of reporting obligation : 12/03/2008

Reporting Person : - | Type of securities : - | Date of reporting obligation : 27/03/2007

Reporting Person : - | Type of securities : - | Date of reporting obligation : 30/03/2007

Reporting Person : - | Type of securities : - | Date of reporting obligation : 11/04/2005

Reporting Person : - | Type of securities : - | Date of reporting obligation : 19/04/2005

PTT PUBLIC COMPANY LIMITED | Q1/2011

PTT PUBLIC COMPANY LIMITED | Q3/2011

PTT PUBLIC COMPANY LIMITED | Q6/2011

PTT PUBLIC COMPANY LIMITED | Year 2011