Tier 1 Capital Ratio Over Time
Tier 1 Capital Ratio Sonoma National Bank All Insured Commercial Banks in California
12-31-2006 10.13 19.115
09-30-2006 9.79 19.397
06-30-2006 9.71 17.22
03-31-2006 9.67 17.258
12-31-2005 9.92 17.882
09-30-2005 9.88 16.454
06-30-2005 9.81 15.701
03-31-2005 9.81 14.977
12-31-2004 9.74 14.478
09-30-2004 10.23 14.639
06-30-2004 10.41 14.582
03-31-2004 10.18 15.416
12-31-2003 10.29 15.254
09-30-2003 10.56 14.407
06-30-2003 10.27 14.01
03-31-2003 10.78 13.498
12-31-2002 10.26 13.579