execution right of KPN Energy (Thailand) Co., Ltd through the SET Electronic Listed Company Information Disclosure System. This obligation prompted NUSA to protect the rights of its shareholders by filing a

Reporting Person : - | Type of securities : - | Date of reporting obligation : 01/09/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 16/09/2005

Reporting Person : - | Type of securities : - | Date of reporting obligation : 30/06/2006

Reporting Person : - | Type of securities : - | Date of reporting obligation : 25/06/2007

Reporting Person : - | Type of securities : - | Date of reporting obligation : 18/06/2008

Reporting Person : - | Type of securities : - | Date of reporting obligation : 10/09/2009

Reporting Person : - | Type of securities : - | Date of reporting obligation : 04/08/2010

Reporting Person : - | Type of securities : - | Date of reporting obligation : 22/06/2011