North Bay Bancorp Logo

Contact:   Terry L. Robinson, President & CEO
           trobinson@northbaybancorp.com
           707-252-5024


             NORTH BAY BANCORP'S THIRD QUARTER PROFITS INCREASE 45%,
             LOAN PORTFOLIO GROWS 11% AND CORE DEPOSITS INCREASE 16%

Napa, CA - October 26, 2005 - North Bay Bancorp (Nasdaq:  NBAN), holding company
for The Vintage Bank and its Solano Bank division,  today announced profits grew
45% in the third quarter of 2005.  Total assets grew 14% compared with the third
quarter of 2004,  with 11% growth in the loan  portfolio  and a 16%  increase in
core deposits from previous  year levels.  Net income  totaled $1.8 million,  or
$0.45 per diluted share in the third quarter, compared to $1.3 million, or $0.32
per  diluted  share in the third  quarter of 2004.  For the first nine months of
2005, net income grew 39% to $4.9 million, or $1.23 per diluted share,  compared
to $3.5 million, or $0.89 per diluted share in the first nine months of 2004.

"Our  third  quarter  results  evidence  the  success  of our  plan  to  improve
efficiency  and  profitability.  We are  exceeding  our goal for  profit  growth
despite  significant  costs being incurred in  association  with SOX Section 404
compliance.  Our strong net interest  margin,  reflecting our  outstanding  core
deposit base, is key to this growth in profitability," commented Terry Robinson,
President and CEO. Robinson added,  "Non-recurring  costs of services associated
with  implementing  Sarbanes-Oxley  Section  404  compliance  will  continue  to
adversely impact earnings through the remainder of 2005."

Third Quarter 2005  Financial  Review and Operating  Highlights  (quarter  ended
9/30/05 compared to 9/30/04)

     o    Net income increased 45% to $1.8 million.

     o    Pre-tax income rose 47% to $2.9 million.

     o    Earnings per diluted share increased 41% to $0.45.

     o    Revenues, excluding securities gains, increased 24% to $8.5 million.

     o    Total loans grew 11% to $400 million.

     o    Asset  quality  remained  exemplary  with no  nonperforming  assets at
          quarter end.

Operating Results

Revenues, consisting of net interest income before the provision for loan losses
and  non-interest  income  excluding  securities  gains,  increased  24% to $8.5
million in the third  quarter of 2005 from $6.8 million in the third  quarter of
2004. In the first nine months of 2005,  revenues increased 22% to $24.0 million
from $19.6 million in the like period of 2004.

Net interest  income  increased 27% to $7.4 million in the third quarter of 2005
compared to $5.8  million in the third  quarter of 2004,  with  interest  income
growing 30% and interest  expense up 47%. In the first nine months of 2005,  net
interest  income rose 26% to $21.0  million from $16.7 million in the first nine
months of 2004.  Although there are no  nonperforming  loans,  the third quarter
provision  for loan  losses  increased  to $300,000  from  $180,000 in the third
quarter  of  last  year  to  support  growth  in  the  overall  loan  portfolio.
Year-to-date, the loan loss provision increased to $715,000 from $540,000 in the
first nine months of 2004. Third quarter net interest income after the provision
for loan losses  increased  26% to $7.1 million  compared to $5.7 million in the
third  quarter of 2004 and grew 26% to $20.3 million in the first nine months of
the year from $16.1 million in the like period of 2004.

The net interest  margin  increased to 5.30% in the third  quarter from 4.95% in
the third  quarter of 2004.  In the first nine months of 2005,  the net interest
margin was 5.43% compared with 4.9% in 2004.  The improved  margin is attributed
to a higher loan-to-deposit ratio, increased yields from variable rate loans, an
improved deposit mix and prudent management of rates paid on deposits.

Non-interest income, excluding securities gains, increased 4% to $1.0 million in
the third quarter of 2005 from the previous year's third quarter.  Year-to-date,
non-interest income decreased 6.9% to $3.0 million from $3.2 million in 2004.




NBAN 3Q05 Profits Up 45%
October 26, 2005
Page 2 of 3

Non-interest expenses in the third quarter of 2005 increased 12% to $5.2 million
from $4.7  million  in the third  quarter of 2004.  In the first nine  months of
2005,  operating  expenses  increased 11% to $15.4 million from $13.8 million in
the like period of 2004.  The percentage  increase in expenses is  significantly
less  than  the  comparable  increase  in  revenues  primarily  due to a  modest
percentage   increase  in  salaries  and  benefits  resulting  from  maintaining
full-time  equivalent  employee levels very close to previous year levels.  This
benefit was partially  offset by  significant  increases in consulting and audit
fees  relating  to the  Company's  requirement  for  Sarbanes-Oxley  Section 404
compliance in 2005.  The tax  equivalent  efficiency  ratio in the third quarter
improved to 60.83% compared to 67.15% in the third quarter last year,  while the
year-to-date  ratio  improved  to 63.33% from 68.30% in the first nine months of
2004.  The  efficiency  ratio  measures  non-interest  expenses  as a percent of
revenues.

Pre-tax  Income  increased 47% in the third quarter of 2005 to $2.9 million from
$2.0  million the third  quarter of 2004.  Pre-tax  income rose 43% in the first
nine months of the year to $7.9  million from $5.5 million in the like period of
2004.

Income taxes increased in the third quarter of 2005 reflecting  higher earnings.
The tax  provision  increased to $1.1 million,  or 38% of third quarter  pre-tax
income,  compared to $750,000,  or 37.5% of third quarter  pre-tax income a year
ago. For the first nine months of 2005,  the  provision  for income tax was $3.0
million,  or 38% of pre-tax income,  compared to $2.0 million, or 37% of pre-tax
income in the first nine months of 2004.  The increase in the effective tax rate
in 2005  compared  with 2004 was due to a  declining  level of  municipal  bonds
earning interest exempt from federal income tax.

Earnings  ratios  improved with return on equity and return on assets up for the
third  quarter  and first nine months of 2005.  North Bay  generated a return on
average  equity of 14.96% and 13.88% in the third  quarter and first nine months
2005,  respectively,  compared  with  11.86% and  11.58%,  respectively,  in the
comparable  periods  of 2004.  Return on  average  assets was 1.17% in the third
quarter and 1.11% in the first nine months of 2005  compared  with 0.92% in both
corresponding periods of 2004.

Balance Sheet
- -------------

Total  assets were $630 million as of  September  30, 2005, a 14% increase  from
September 30, 2004 and a 12% increase from December 31, 2004.  Deposits grew 15%
during the previous  twelve months to $547 million and 13% from  year-end  2004,
with demand  deposits  growing 30% from September 30, 2004 and 31% from year-end
2004.  Loans,  net of the  allowance  for loan  losses,  were $393 million as of
September 30, 2005,  an 11% increase  from  September 30, 2004 and a 5% increase
from  year-end  2004.  Book value per share at the end of the third  quarter was
$12.60  compared to $11.18 per share as of September  30,  2004,  an increase of
12.7%.

Asset quality remains excellent with no nonperforming  loans as of September 30,
2005.  The  allowance  for loan and lease losses was $4.8  million,  or 1.22% of
loans  outstanding  at quarter  end,  compared to $4.0 million or 1.13% of loans
outstanding  at  the  end  of  the  third  quarter  of  2004.  Net   charge-offs
year-to-date  were $19,000 compared to $24,000 charged off in the like period of
2004.

ABOUT NORTH BAY BANCORP
- -----------------------

North Bay Bancorp is the holding company for The Vintage Bank in Napa County and
its Solano Bank division in Solano  County.  This full service  commercial  bank
offers a wide  selection  of  deposit,  loan and  investment  services  to local
consumers and small business customers.  The Vintage Bank opened for business in
1985 and operates  six banking  offices in Napa  County,  Northern  California's
number one tourist  destination and the nation's premier wine producing  region.
The main  office and two branch  offices  are  located in the City of Napa.  The
Vintage Bank also has branches in the cities of St.  Helena and American  Canyon
and on Airport Road in the Southern industrial area of Napa County as well as an
off-site  ATM  facility in  Yountville.  Solano  Bank, a division of The Vintage
Bank,  launched in July 2000,  has offices in the primary  cities along the I-80
corridor of Solano County, including Vacaville,  Fairfield,  Vallejo and Benicia
and an off-site ATM facility in downtown  Fairfield.  Solano County is projected
to be the fastest growing county in Northern California through year 2020 and is
attracting   people   with  a  quality   lifestyle,   affordable   housing   and
business-friendly attitudes.



NBAN 3Q05 Profits Up 45%
October 26, 2005
Page 3 of 3

This news  release  contains  forward-looking  statements  with  respect  to the
financial condition,  results of operation and business of North Bay Bancorp and
its subsidiaries.  These include, but are not limited to, statements that relate
to or are  dependent on estimates or  assumptions  relating to the  prospects of
loan growth,  credit quality and certain operating  efficiencies  resulting from
the  operations  of The  Vintage  Bank  and  its  Solano  Bank  division.  These
forward-looking statements involve certain risks and uncertainties. Factors that
may cause actual results to differ  materially  from those  contemplated by such
forward-looking  statements include, among others, the following  possibilities:
(1)  competitive   pressure  among  financial   services   companies   increases
significantly;  (2) changes in the interest  rate  environment  reduce  interest
margins; (3) general economic conditions, internationally,  nationally or in the
State of  California  are less  favorable  than  expected;  (4)  legislation  or
regulatory  requirements or changes  adversely  affect the business in which the
combined organization will be engaged; and (5) other risks detailed in the North
Bay Bancorp reports filed with the Securities and Exchange Commission.




NORTH BAY BANCORP



CONSOLIDATED INCOME STATEMENT                          3-Month Period Ended:                        9-Month Period Ended:
(in $000's, unaudited)                      9/30/2005      9/30/2004        % Change       9/30/2005      9/30/2004        % Change
- ----------------------                      ---------      ---------        --------       ---------      ---------        --------
                                                                                                           
Interest Income                            $    8,847     $    6,822           29.7%      $   24,668     $   19,180          28.6%
Interest Expense                                1,415            961           47.2%           3,638          2,508          45.1%
                                           ----------     ----------                      ----------     ----------
     Net Interest Income                        7,432          5,861           26.8%          21,030         16,672          26.1%
Provision for Loan & Lease Losses                 300            180           66.7%             715            540          32.4%
                                           ----------     ----------                      ----------     ----------
    Net Interest Income after Loan
        Loss Provision                          7,132          5,681           25.5%          20,315         16,132          25.9%
Service Charges                                   540            564           -4.3%           1,579          1,684          -6.2%
Loan Sale & Servicing Income                       11             16          -31.3%              23             35         -34.3%
Bank Owned Life Insurance Income                   88             88            0.0%             263            280          -6.1%
Other Non-Interest Income                         388            318           22.0%           1,140            968          17.8%
Gain on Investments                              --             --                             --               262        -100.0%
                                           ----------     ----------                      ----------     ----------
    Total Non-Interest Income                   1,027            986            4.2%           3,005          3,229          -6.9%
Salaries & Benefits                             2,763          2,566            7.7%           8,221          7,633           7.7%
Occupancy Expense                                 477            369           29.3%           1,317          1,080          21.9%
Equipment Expense                                 487            502           -3.0%           1,566          1,509           3.8%
Other Non-Interest Expenses                     1,484          1,230           20.7%           4,315          3,613          19.4%
                                           ----------     ----------                      ----------     ----------
    Total Non-Interest Expenses                 5,211          4,667           11.7%          15,419         13,835          11.4%
    Income Before Taxes                         2,948          2,000           47.4%           7,901          5,526          43.0%
Provision for Income Taxes                      1,131            750           50.8%           3,036          2,034          49.3%
                                           ----------     ----------                      ----------     ----------
     Net Income                               $ 1,817     $    1,250           45.4%      $    4,865     $    3,492          39.3%
                                           ==========     ==========                      ==========     ==========

TAX DATA
Tax-Exempt Muni Income                     $      121     $      113            7.1%      $      340     $      409         -16.9%
Tax-Exempt BOLI Income                     $       88     $       88            0.0%      $      263     $      280          -6.1%
Interest Income - Fully Tax Equivalent     $    8,885     $    6,859           29.5%      $   24,783     $   19,313          28.3%
NET CHARGE-OFFS (RECOVERIES)               $        9     $      (78)           NM        $       19     $       24            NM


PER SHARE DATA                                        3-Month Period Ended:                           9-Month Period Ended:
(unaudited)                                 9/30/2005      9/30/2004        % Change       9/30/2005      9/30/2004        % Change
- -----------                                 ---------      ---------        --------       ---------      ---------        --------

Basic Earnings per Share                   $     0.47     $     0.33           42.4%      $     1.26     $     0.92          37.0%
Diluted Earnings per Share                 $     0.45     $     0.32           40.6%      $     1.21     $     0.89          36.0%
Common Dividends                           $     0.00     $     0.00                      $     0.15     $     0.13          15.4%
Wtd. Avg. Shares Outstanding                3,888,998      3,820,591                       3,854,216      3,796,906
Wtd. Avg. Diluted Shares                    4,060,596      3,924,053                       4,025,905      3,915,404
Book Value per Share (EOP)                 $    12.60     $    11.18           12.7%      $    12.60     $    11.18          12.7%
Common Shares Outstanding. (EOP)            3,897,504      3,822,150                       3,897,504      3,822,150


KEY FINANCIAL RATIOS                          3-Month Period Ended:                          9-Month Period Ended:
(unaudited)                                 9/30/2005      9/30/2004                       9/30/2005      9/30/2004
- -----------                                 ---------      ---------                       ---------      ---------
Return on Average Equity                        14.96%         11.86%                          13.88%         11.58%
Return on Average Assets                         1.17%          0.92%                           1.11%          0.92%
Net Interest Margin (Tax-Equivalent)             5.30%          4.95%                           5.43%          4.98%
Efficiency Ratio (Tax-Equivalent)               60.83%         67.15%                          63.33%         68.30%


AVERAGE BALANCES                                       3-Month Period Ended:                         9-Month Period Ended:
(in $000's, unaudited)                      9/30/2005      9/30/2004         % Change      9/30/2005      9/30/2004        % Change
- ----------------------                      ---------      ---------         --------      ---------      ---------        --------
Average Assets                             $  619,442     $  539,578           14.8%      $  586,794     $  506,018          16.0%
Average Earning Assets                     $  565,561     $  477,054           18.6%      $  532,593     $  449,495          18.5%
Average Gross Loans & Leases               $  407,741     $  369,384           10.4%      $  400,634     $  342,515          17.0%
Average Deposits                           $  537,539     $  464,629           15.7%      $  506,409     $  439,995          15.1%
Average Equity                             $   48,319     $   41,936           15.2%      $   46,809     $   40,278          16.2%







STATEMENT OF CONDITION                                End of Period:
(in $000's, unaudited)                      9/30/2005     12/31/2004      9/30/2004    9-Month chg   Annual Chg
- ----------------------                      ---------     ----------      ---------    -----------   ----------
                                                                                         
ASSETS
Cash and Due from Banks                    $   31,048       $ 27,342     $  42,626        13.6%        -27.2%
Securities and Fed Funds Sold                 180,248        132,348       110,856        36.2%         62.6%

Commercial & Industrial                        78,829         67,172        60,828        17.4%         29.6%
Commercial Secured by Real Estate             251,872        241,361       230,610         4.4%          9.2%
Real Estate                                     4,422          6,613         6,743       -33.1%        -34.4%
Construction                                   25,416         27,762        25,841        -8.5%         -1.6%
Consumer                                       38,643         36,343        35,889         6.3%          7.7%
    Gross Loans & Leases                      399,182        379,251       359,911         5.3%         10.9%
Deferred Loan Fees                             (1,473)        (1,485)       (1,468)       -0.8%          0.3%
    Loans & Leases Net of Deferred Fees       397,709        377,766       358,443         5.3%         11.0%
Allowance for Loan & Lease Losses              (4,832)        (4,136)       (4,040)       16.8%         19.6%
    Net Loans & Leases                        392,877        373,630       354,403         5.2%         10.9%
Loans Held-for-Sale                               --          4,604         20,232      -100.0%       -100.0%
Investment in Subsidiary                          310            310           310         0.0%          0.0%
Bank Premises & Equipment                       9,542         10,336        10,657        -7.7%        -10.5%
Other Assets                                   16,018         13,493        13,415        18.7%         19.4%
     Total Assets                          $  630,043      $ 562,063     $ 552,499        12.1%         14.0%

LIABILITIES & CAPITAL
Demand Deposits                            $  166,239      $ 127,250     $ 127,768        30.6%         30.1%
NOW / Savings Deposits                        146,963        151,053       144,267        -2.7%          1.9%
Money Market Deposits                         148,938        128,884       125,994        15.6%         18.2%
Time Certificates of Deposit                   84,710         77,306        78,763         9.6%          7.6%
    Total Deposits                            546,850        484,493       476,792        12.9%         14.7%

Long Term Borrowings                           19,000         19,000        19,000         0.0%          0.0%
Trust Preferred Securities                     10,310         10,310        10,310         0.0%          0.0%
    Total Deposits & Interest Bearing Liab.   576,160        513,803       506,102        12.1%         13.8%

Other Liabilities                               4,763          4,126         3,667        15.4%         29.9%
Total Capital                                  49,120         44,134        42,730        11.3%         15.0%
    Total Liabilities & Capital            $  630,043      $ 562,063     $ 552,499        12.1%         14.0%


CREDIT QUALITY DATA                                      End of Period:
(in $000's, unaudited)                      9/30/2005     12/31/2004     9/30/2004
- ----------------------                      ---------     ----------     ---------
Non-Accruing Loans                         $      --      $      --      $     --
Over 90 Days PD and Still Accruing                  0              0             0
Other Real Estate Owned                             0              0             0
    Total Non-Performing Assets            $      --      $      --      $     --


Non-Performing Loans to Total Loans              0.00%          0.00%         0.00%
Non-Performing Assets to Total Assets            0.00%          0.00%         0.00%
Allowance for Loan Losses to Loans               1.21%          1.09%         1.12%

OTHER PERIOD-END STATISTICS                              End of Period:
(unaudited)                                 9/30/2005     12/31/2004     9/30/2004
- -----------                                 ---------     ----------     ---------
Shareholders' Equity / Total Assets               7.8%           7.9%          7.7%
Loans / Deposits                                 73.0%          78.3%         75.5%
Non-Interest Bearing Deposits
 / Total Deposits                                30.4%          26.3%         26.8%