Tier 2 Capital Over Time
Tier 2 Capital Northern Trust Bank Of California National Association All Insured Commercial Banks in California
09-30-2006 7,942,000 6,512,915
06-30-2006 8,027,000 6,460,167
03-31-2006 8,026,000 5,884,455
12-31-2005 7,997,000 6,287,598
09-30-2005 7,779,000 6,020,658
06-30-2005 7,557,000 6,151,345
03-31-2005 7,451,000 5,686,470
12-31-2004 7,300,000 5,272,613
09-30-2004 7,000,000 5,789,768
06-30-2004 6,760,000 5,369,319
03-31-2004 6,480,000 5,580,592
12-31-2003 6,222,000 5,251,837
09-30-2003 5,958,000 5,117,081
06-30-2003 6,189,000 5,197,373
03-31-2003 5,983,000 4,778,588
12-31-2002 5,811,000 4,997,090