Tier 1 Capital Ratio Over Time
Tier 1 Capital Ratio Oak Brook Bank All Insured Commercial Banks in Illinois
09-30-2006 9.24 15.318
06-30-2006 9.81 15.314
03-31-2006 9.91 15.434
12-31-2005 9.51 15.294
09-30-2005 9.72 15.288
06-30-2005 9.91 15.335
03-31-2005 10.63 15.057
12-31-2004 10.6 14.936
09-30-2004 10.52 15.017
06-30-2004 10.84 15.042
03-31-2004 11.17 15.074
12-31-2003 11.51 14.924
09-30-2003 11.49 14.98
06-30-2003 11.23 15.002
03-31-2003 10.88 15.053
12-31-2002 10.53 14.822