Warrant | Public Offering | Offering Date - 27/03/2002 - 27/03/2002

Warrant | Public Offering | Offering Date - 27/03/2002 - 27/03/2002

Warrant | Public Offering | Offering Date - 27/03/2002 - 27/03/2002

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/05/2005 - 31/05/2005

Warrant | Public Offering | Offering Date - 31/07/2006 - 31/07/2006