Total Capital Ratio Over Time
Total Capital Ratio Northern Trust Bank, National Association All Insured Commercial Banks in Arizona
09-30-2006 11.06 17.682
06-30-2006 11.07 18.872
03-31-2006 11.65 13.834
12-31-2005 11.72 14.54
09-30-2005 12.52 15.024
06-30-2005 12.92 14.169
03-31-2005 13.34 15.47
12-31-2004 13.03 15.108
09-30-2004 13.49 17.448
06-30-2004 13.24 18.706
03-31-2004 13.38 21.28
12-31-2003 12.92 19.777
09-30-2003 12.92 21.692
06-30-2003 12.25 21.541
03-31-2003 12.87 27.995
12-31-2002 12.41 29.638