Relationships	Role	Relationship Start	Relationship End
Commercial Bancorporation Of Colorado	Parent	12/31/1984	3/24/1994
Commercial Bancorporation Of Colorado	Parent	12/31/1974	12/30/1984
Preferred Investment Shares, Inc.	Parent	12/31/1970	1/9/1974
Century Bank And Trust Building Corporation	Subsidary	12/31/1970	11/30/1976

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
Keybank National Association	Buyer	1,359,856		Discontinued	3/25/1994
Century Bank At Orchard Road	Seller	21,282		Discontinued	12/14/1991
Century Bank North	Seller	14,350		Discontinued	12/14/1991
Century Bank At Broadway	Seller	7,784		Discontinued	10/26/1991
First Charter Bank	Seller	10,125		Failure	1/16/1987