Relationships	Role	Relationship Start	Relationship End
Comerica Incorporated	Parent	7/28/2011	10/26/2011
Sterling Bancshares, Inc.	Parent	2/14/1990	7/27/2011
Sterling Bank	Subsidary	2/14/1990	7/27/2011
Downtown San Antonio Branch	Subsidary	12/23/2003	1/22/2004
South Texas Capital Group, Inc.	Subsidary	11/1/2003	12/22/2003
Community Bank, Katy, Tx.	Subsidary	12/28/2001	5/16/2002
Lone Star Bank	Subsidary	12/28/2001	2/21/2002
Community Bancshares Of Delaware, Inc.	Subsidary	12/18/2001	12/27/2001
Lone Star Bancorporation Of Delaware, Inc.	Subsidary	8/23/2001	12/27/2001
Caminoreal Bancshares Of Texas, Inc.	Subsidary	3/23/2001	6/7/2001
Houston Commerce Bank	Subsidary	6/1/1999	10/21/1999
Clear Lake National Bank	Subsidary	11/21/1998	4/8/1999
Humble National Bank	Subsidary	6/30/1998	8/21/1998
Guardian Bank Of Houston	Subsidary	3/5/1994	1/2/1995
Enterprise Bank - Houston	Subsidary	1/1/1994	1/2/1995

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
Both Of Delaware, Inc.	Seller			Discontinued	9/30/2006
South Texas Capital Group, Inc.	Seller			Discontinued	12/23/2003
Lone Star Bancorporation Of Delaware, Inc.	Seller			Discontinued	12/28/2001
Community Bancshares Of Delaware, Inc.	Seller			Discontinued	12/28/2001
Community Bancshares, Inc.	Seller			Discontinued	12/18/2001
Lone Star Bancorporation, Inc.	Seller			Discontinued	8/23/2001
B.O.A. Bancshares, Inc.	Seller			Discontinued	6/1/1999
Hometown Bancshares, Inc.	Seller			Discontinued	11/21/1998