Atlas Capital Master Fund, L.P.
By:	Atlas Capital Management, L.P., its General Partner
By:	RHA, Inc., its General Partner
By:	/s/ Robert H. Alpert
Name:	Robert H. Alpert
Title:	President
Date:	August 18, 2006
Atlas Capital Offshore Exempt Fund, Ltd.
By:	Atlas Capital Management, L.P., its Investment Adviser
By:	RHA, Inc., its General Partner
By:	/s/ Robert H. Alpert
Name:	Robert H. Alpert
Title:	President
Date:	August 18, 2006
Atlas Capital Management, L.P.
By:	RHA, Inc., its General Partner
By:	/s/ Robert H. Alpert
Name:	Robert H. Alpert
Title:	President
Date:	August 18, 2006
RHA, Inc.
By:	/s/ Robert H. Alpert
Name:	Robert H. Alpert
Title:	President
Date:	August 18, 2006
Robert H. Alpert
By:	/s/ Robert H. Alpert
Date:	August 18, 2006