CENTURY BANCORP INC
10-K, 1998-03-25
STATE COMMERCIAL BANKS
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 10-K

(Mark One)

[ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE
      ACT OF 1934 (FEE REQUIRED)

      For the fiscal year ended        DECEMBER 31, 1997

[   ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934 (NO FEE REQUIRED)

                         Commission file number 0-15752

                              CENTURY BANCORP, INC.

             (Exact name of registrant as specified in its charter)

 COMMONWEALTH OF MASSACHUSETTS                                  04-2498617     
(State or other jurisdiction of                           (I.R.S. Employer
incorporation or organization)                            Identification number)

400 MYSTIC AVENUE, MEDFORD, MA                                          02155
(Address of principal executive offices)                          (Zip Code)

Registrant's telephone number including area code:                 (781)391-4000


Securities registered pursuant to Section 12(g) of the Act:

                      CLASS A COMMON STOCK, $1.00 PAR VALUE
                                (Title of class)

  Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by section 13 or 15(d) of the Securities and Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.

                                                                   X  Yes     No
                                                                  ---     ---

  Indicate by check mark if disclosure of delinquent filers pursuant to item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
form 10-K. [ ]

State the aggregate market value of the voting stock held by nonaffiliates of
the registrant as of February 28, 1998:

                                   $7,848,270

Indicate the number of shares outstanding of each of the registrant's classes of
common stock as of February 28,1998:

         CLASS A COMMON STOCK, $1.00 PAR VALUE     3,523,647    SHARES

         CLASS B COMMON STOCK, $1.00 PAR VALUE     2,268,770    SHARES



                                        i
<PAGE>   2
                              CENTURY BANCORP INC.
                                    FORM 10-K
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
<S>                                                                       <C>  
                      PART I

ITEM 1      BUSINESS                                                       1-16

ITEM 2      PROPERTIES                                                       17

ITEM 3      LEGAL PROCEEDINGS                                                17

ITEM 4      SUBMISSION OF MATTERS TO A VOTE OF SECURITY                      17
              HOLDERS

                      PART II

ITEM 5      MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED             17-18
              STOCKHOLDER MATTERS

ITEM 6      SELECTED FINANCIAL DATA                                          18

ITEM 7      MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL                18
              CONDITION AND RESULTS OF OPERATIONS

ITEM 7a     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET            18
              RISK

ITEM 8      FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA                      18

ITEM 9      CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS                    18
              ON ACCOUNTING AND FINANCIAL DISCLOSURE

                      PART III

ITEM 10     DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT            45-47

ITEM 11     EXECUTIVE COMPENSATION AND OTHER INFORMATION                  47-51

ITEM 12     SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS                  52
              AND MANAGEMENT

ITEM 13     CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS                   53

                      PART IV

ITEM 14     EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND                      53
              REPORTS ON FORM 8-K

                      SIGNATURES                                             54
</TABLE>



                                       ii
<PAGE>   3
                                                       PART I

ITEM 1.   BUSINESS

THE COMPANY


Century Bancorp, Inc. (together with its subsidiary, unless the context
otherwise requires, the "Company"), is a Massachusetts state chartered bank
holding company headquartered in Medford, Massachusetts. The Company is a
Massachusetts corporation formed in 1972 and has one banking subsidiary (the
"Bank"): Century Bank and Trust Company formed in 1969. The Company had total
assets of $631.1 million on December 31, 1997. The Company presently operates 15
banking offices in 14 cities and towns ranging from Braintree to Peabody. The
Banks' customers consist primarily of small and medium-sized businesses and
retail customers in these communities and surrounding areas, as well as local
governments throughout Massachusetts.

On December 10, 1997, the Company announced an agreement to merge Haymarket
Cooperative Bank, based in Boston, Massachusetts, into Century Bank and Trust
Company. The agreement called for the Bank to acquire assets of approximately
$142 million and two banking offices located in Boston. Century Bank and Trust
Company will pay approximately $20 million in cash for Haymarket Cooperative
Bank and is subject to federal and state regulatory approval. The transaction
will be accounted for using the purchase method of accounting.

The Company offers a wide range of services to commercial enterprises, state and
local governments and agencies, and individuals. It makes commercial loans, real
estate and construction loans, and consumer loans, and accepts savings, time,
and demand deposits. In addition, the Company offers to its corporate customers
automated lock box collection services, cash management services and account
reconciliation services, and actively promotes the marketing of these services
to the municipal market.

The Company emphasizes service to small and medium-sized businesses and retail
customers in its market area. It provides business and consumer deposit services
and makes commercial loans, real estate and construction loans and consumer
loans. The Company provides full service brokerage through Century Financial
Services in conjunction with Commonwealth Equities.

The Company is a provider of financial services including cash management,
transaction processing, short term financing and intermediate term leasing to
municipalities in Massachusetts. The Company has deposit relationships with
approximately 30% of the 351 cities and towns in the state.


                                      -1-
<PAGE>   4
The following table sets forth the distribution of the Company's average assets,
liabilities and stockholders' equity, and average rates earned or paid on a
fully taxable equivalent basis for each of the years indicated.

                             YEAR ENDED DECEMBER 31,

<TABLE>
<CAPTION>
                                                          1997                                 1996                
                                                          ----                                 ----                
                                           Average      Interest       Rate       Average    Interest      Rate    
                                           Balance      Income (1)   Earned (1)   Balance    Income (1)  Earned (1)
                                          ---------     ---------    ----------  ---------   ---------   ----------
                                                                                 (Dollars In Thousands)
<S>                                       <C>           <C>           <C>        <C>         <C>         <C>       
Assets                                                                          
                                                                                
Interest-earning assets:                                                        
Loans(2)                                  $ 304,147     $  28,479       9.36%    $ 281,943   $  26,429      9.37%  
                                                                                
Securities available-for-sale:                                                  
      Taxable                                82,163         5,054       6.15%       90,652       5,627      6.21%  
      Tax-exempt                              1,327            80       6.03%          872          52      5.96%  
                                                                                
Securities held-to-maturity:                                                    
      Taxable                               109,458         7,047       6.44%       94,335       6,007      6.37%  
      Tax-exempt                                 33             3       9.09%          170          13      7.65%  
                                                                                
 Federal funds sold                          12,864           706       5.49%       15,090         807      5.35%  
 Interest bearing deposits                                                      
    in other banks                               36             1       2.78%           47           2      4.26%  
                                          -----------------------                ---------------------             
                                                                                
           Total interest-earning assets    510,028        41,370       8.11%      483,109      38,937      8.06%  
                                                        ---------       -----                ---------      -----  
                                                                                
 Non  interest-earning assets                61,211                                 61,450                         
                                                                                
 Allowance for loan losses                   (4,412)                                (4,163)                        
                                          ---------                              ---------                         
           Total assets                   $ 566,827                              $ 540,396                         
                                          =========                              =========                         
</TABLE>


<TABLE>
<CAPTION>
                                                      1995
                                                      ----
                                           Average   Interest      Rate
                                          Balance    Income (1)  Earned (1)
                                        -----------  ---------   ----------
                                        
<S>                                       <C>        <C>         <C>  
Assets                                  
                                        
Interest-earning assets:                
Loans(2)                                  $ 279,555  $  26,490      9.48%
                                        
Securities available-for-sale:          
      Taxable                                70,467      4,218      5.99%
      Tax-exempt                              1,372         91      6.63%
                                        
Securities held-to-maturity:            
      Taxable                                62,158      3,650      5.87%
      Tax-exempt                                180         15      8.33%
                                        
 Federal funds sold                          29,076      1,723      5.93%
 Interest bearing deposits              
    in other banks                               29          1      3.45%
                                          --------------------
                                        
           Total interest-earning assets    442,837     36,188      8.17%
                                                     ---------   --------
                                        
 Non  interest-earning assets                56,127
                                        
 Allowance for loan losses                   (4,479)
                                        ----------- 
           Total assets                 $   494,485
                                        ===========
</TABLE>


- -------------------------------------------------------------------------------
(1) On a fully taxable equivalent basis calculated using a federal tax rate of
34%.

(2) Nonaccrual loans are included in average amounts outstanding.


                                      -2-
<PAGE>   5
                             YEAR ENDED DECEMBER 31,

<TABLE>
<CAPTION>
                                                            1997                                          1996                   

                                       Average   Interest Income    Rate Earned       Average     Interest Income     Rate Earned
                                       Balance    /Expense (1)       /Paid (1)        Balance       /Expense (1)       /Paid (1) 
                                      --------   ---------------    -----------       --------    ---------------     -----------
<S>                                   <C>        <C>                <C>               <C>         <C>                 <C>        
                                                                                      (Dollars In Thousands)
Liabilities and Stockholders' 
    Equity

 Interest-bearing deposits:
   NOW accounts                       $ 91,938     $  2,561               2.79%       $ 84,620       $  2,367              2.80% 
   Savings accounts                     55,911        1,433               2.56%         55,905          1,439              2.57% 
   Money market accounts                66,936        1,888               2.82%         70,735          2,084              2.95% 
   Time deposits                       155,607        8,474               5.45%        158,037          9,020              5.71% 
                                      --------     --------                           --------       --------
         Total interest-bearing
            deposits                   370,392       14,356               3.88%        369,297         14,910              4.04% 

 Securities sold under
     agreements to repurchase           24,994        1,075               4.30%         16,654            713              4.28% 

 Other borrowed funds                    7,908          491               6.21%          3,135            182              5.81% 
                                      --------     --------                           --------       --------

      Total interest-bearing
        liabilities                    403,294       15,922               3.95%        389,086         15,805              4.06% 
                                      --------     --------               ----        --------       --------              ----

 Non interest-bearing
     liabilities
          Demand deposits              105,417                                          99,179                                   
          Other liabilities              7,787                                           7,340                                   
                                       --------                                       --------                                   
                  Total liabilities    516,498                                         495,605                                   
Stockholders' equity                    50,329                                          44,791                                   
                                       --------                                       --------                                   
    Total liabilities &
        stockholders' equity          $566,827                                        $540,396                                   
                                      ========                                        ========                                   
Net interest income(1)                             $ 25,448                                          $ 23,132                    
                                                   ========                                          ========                    

Net interest spread                                                       4.16%                                            4.00% 
                                                                          ----                                             ----  

Net yield on earnings assets                                              4.99%                                            4.79% 
                                                                          ----                                             ----  
</TABLE>


<TABLE>
<CAPTION>
                                                             1995

                                         Average     Interest Income     Rate Earned
                                         Balance       /Expense (1)       /Paid (1)
                                         --------    ----------------    -----------
<S>                                      <C>         <C>                 <C>  
                                      
Liabilities and Stockholders' 
    Equity

 Interest-bearing deposits:
   NOW accounts                          $ 82,628       $  2,568              3.11%
   Savings accounts                        50,916          1,335              2.62%
   Money market accounts                   78,029          2,487              3.19%
   Time deposits                          134,769          7,612              5.65%
                                         --------       --------
         Total interest-bearing
            deposits                      346,342         14,002              4.04%

 Securities sold under
     agreements to repurchase              14,390            632              4.39%

 Other borrowed funds                         960             52              5.42%
                                         --------       --------       -----------

      Total interest-bearing
        liabilities                       361,692         14,686              4.06%
                                                        --------              ----
 Non interest-bearing
     liabilities
          Demand deposits                  86,328
          Other liabilities                 6,084
                                      -----------
                  Total liabilities       454,104                                 
Stockholders' equity                       40,381                                 
                                       -----------
    Total liabilities &
        stockholders' equity          $   494,485
                                      ===========
Net interest income(1)                                  $21,502
                                                        =======

Net interest spread                                                           4.11%
                                                                              ---- 

Net yield on earnings assets                                                  4.86%
                                                                              ---- 
</TABLE>



- --------------------------------------------------------------------------------
(1) On a fully taxable equivalent basis calculated using a federal tax rate of
34%.



                                      -3-
<PAGE>   6
The following table summarizes the year-to-year changes in the Company's net
interest income resulting from fluctuations in interest rates and volume changes
in earning assets and interest bearing liabilities. Changes due to rate are the
change in rate multiplied by the prior year's volume. Changes due to volume are
the change in volume multiplied by the prior year's rate. Changes in volume and
rate that cannot be separately identified have been allocated in proportion to
the relationship of the absolute dollar amounts of each change.

Net interest income improved in 1997. Interest income was affected positively by
higher loan volume and by improvements in the interest earned in most categories
of earning assets. Much of the Company's earning assets were repriced to improve
their respective returns. Interest expense rose primarily because of a higher
level of borrowed funds. Interest income on securities increased primarily
because of volume.

<TABLE>
<CAPTION>
                                                 Year Ended December 31,

                                      1997 Compared with 1996              1996 Compared with 1995
                                   -------------------------------     -------------------------------
                                   Increase/(Decrease)                 Increase/(Decrease)
                                   Due to Change in                    Due to Change in
                                                           Total                               Total
                                   Average     Average    Increase     Average    Average     Increase
                                   Balance      Rate     (Decrease)    Balance      Rate     (Decrease)
                                   -------     -------     -------     -------    --------     -------

                                                                    (In Thousands)
<S>                                <C>         <C>       <C>           <C>        <C>        <C>
Interest income:
 Loans                             $ 2,079     $   (29)    $ 2,050     $   225     $  (286)    $   (61)
 Securities available-for-sale:
   Taxable                            (523)        (50)       (573)      1,248         161       1,409
   Tax-exempt                           27           1          28         (31)         (8)        (39)
 Securities held-to-maturity:
   Taxable                             973          66       1,039       2,027         330       2,357
   Tax-exempt                          (12)          2         (10)         (1)         (1)         (2)
 Federal funds sold                   (122)         21        (101)       (762)       (154)       (916)
 Interest-bearing deposits
  in other banks                        (1)          1           0           1           0           1
                                   -------     -------     -------     -------     -------     -------
   Total interest income             2,422          11       2,433       2,707          42       2,749
                                   -------     -------     -------     -------     -------     -------

Interest expense:
 Deposits:
  NOW accounts                         204         (10)        194          61        (262)       (201)
  Savings accounts                       0          (6)         (6)        129         (25)        104
  Money market accounts               (109)        (87)       (196)       (223)        180         403
  Time deposits                       (137)       (409)       (546)      1,327          81       1,408
                                                                       -------     -------     -------
    Total interest-bearing
     deposits                          (42)       (512)       (554)      1,294        (386)        908
 Securities sold under
 agreements to repurchase              359           3         362          97         (16)         81

Other borrowed funds                   262          13         309         126           4         130
                                   -------     -------     -------     -------     -------     -------
    Total interest expense             612        (495)        117       1,517        (398)      1,119
                                   -------     -------     -------     -------     -------     -------
Change in net interest income      $ 1,811     $   505     $ 2,316     $ 1,190     $   440     $ 1,630
                                   =======     =======     =======     =======     =======     =======
</TABLE>


                                      -4-
<PAGE>   7
ASSET/LIABILITY MANAGEMENT

The Company's asset/liability management objective is to attempt to insulate the
balance sheet, and therefore the income statement, from excessive risk due to
changes in market interest rates. It is the responsibility of the Company's ALCO
committee to establish long-term strategies with respect to interest rate
exposure, and to monitor that exposure in relation to present and prospective
market interest rates, economic conditions, and balance sheet composition on an
on-going basis. Monitoring techniques include gap management and simulation
analysis.

The Company attempts to manage its exposure to interest rate risk by closely
monitoring the maturities and interest rate sensitivities of its assets and
liabilities. The following table measures the extent to which interest-sensitive
assets exceed interest-sensitive liabilities (or vice versa) within certain time
periods. This "Gap" analysis is one measure of the Company's sensitivity to
interest rate fluctuations. A Gap is considered positive when the amount of
interest-sensitive assets maturing or repricing within a period exceeds the
amount of interest-sensitive liabilities maturing or repricing within that
period; a Gap is considered negative when the converse occurs. During a
decreasing interest rate environment, a negative Gap would tend to result in an
increase in net interest income while a positive Gap would tend to adversely
affect net interest income. In a rising interest rate environment, an
institution with a positive Gap would generally expect an increase in net
interest income, whereas an institution with a negative Gap would generally be
expected to experience the opposite result.

The Company's targeted Gap range is +/- 10% within 3 months or less and +/- 10%
within 4 to 12 months with a cumulative 1 year Gap at +/- 10%. The table
presents categorical balances based on contractual maturities and repricing
opportunities. The resulting amounts have been modified to reflect a management
adjustment that pertains to NOW and savings accounts. While these core deposit
accounts are subject to immediate withdrawal, the management adjustment is based
on the fact that interest changes on such accounts have been infrequent and have
not coincided with changes in market interest rates. In addition, a management
adjustment has been made in the first maturity interval for the uncollected
portion of cash and due from banks.



<TABLE>
<CAPTION>
                                                                       Repricing / Maturity Interval Within
                                             -----------------------------------------------------------------------------------
December  31, 1997                             3 months      4 months      One year         Over            Non-
                                               or less     to 12 months   to 5 years       5 years        Maturing(1)    Total
                                             -----------------------------------------------------------------------------------

Interest-earning assets:                                                   (Dollars in Thousands)
- ------------------------
<S>                                          <C>           <C>            <C>              <C>            <C>         <C>
Loans                                         $ 118,184     $  49,270      $ 131,471      $  15,760     $   1,705      $ 316,390
Securities available-for-sale:                                                                                        
    Taxable                                       8,926        24,004         54,251          1,259             0         88,440
    Tax exempt                                        0           750              0              0             0            750
Securities held-to-maturity:                                                                                          
    Taxable                                       2,524         9,494         79,217         17,981             0        109,216
    Tax exempt                                        0            12             11              0             0             23
Federal funds sold                               51,000             0              0              0             0         51,000
Interest-bearing deposits in other banks:            24             0              0              0             0             24
                                               ---------     --------      ---------       --------       -------      ---------
       Total interest-earning assets            180,658        83,530        264,950         35,000         1,705        565,843
                                               ---------     --------      ---------       --------       -------      ---------
                                                                                                                      
Interest-bearing liabilities:                                                                                         
Deposits:                                                                                                             
    NOW accounts                                 93,825             0              0              0             0         93,825
    Savings accounts                             55,983             0              0              0             0         55,983
    Money market deposits                        50,110        20,951              0              0             0         71,061
    Time deposits                               101,719        55,263         14,297              0             0        171,279
                                               ---------     --------      ---------       --------       -------      ---------
        Total interest-bearing deposits         301,637        76,214         14,297              0             0        392,148
Securities sold under agreements                                                                                      
  to repurchase                                  32,850             0              0              0             0         32,850
Other borrowed funds                             10,972         1,048              0          1,454             0         13,474
                                               ---------     --------      ---------       --------       -------      ---------
        Total interest-bearing liabilities      345,459        77,262         14,297          1,454             0        438,472
                                               ---------     --------      ---------       --------       -------      ---------
                                                                                                                      
Interest-earning assets minus                                                                                         
  interest-bearing liabilities(Gap)           ($164,801)    $   6,268      $ 250,653      $  33,546     $   1,705      $ 127,371
Management adjustment                           126,189       (30,489)       (60,978)             0             0         34,722
                                               ---------     --------      ---------       --------       -------      ---------
Management-adjusted Gap                       ($ 38,612)    ($ 24,221)     $ 189,675      $  33,546     $   1,705      $ 162,093
Management-adjusted Cumulative Gap                            (62,833)       126,842        160,388       162,093             -- 
                                                                                                                      
Management-adjusted Gap / Total Assets           -6.08%        -3.81%          29.84%          5.28%         0.27%         25.50
Management-adjusted Cumulative Gap /                                                                                  
  Total Assets                                                 -9.89%          19.96%         25.24%        25.50%          --
                                                                                                                      
(1) Represents loans placed on nonaccrual status.                                                                     
</TABLE>


                                      -5-
<PAGE>   8
LENDING ACTIVITIES

The following summary shows the composition of the loan portfolio at the dates
indicated.


<TABLE>
<CAPTION>
                                                                        December 31,

                                             1997                1996                  1995           
                                             ----                ----                  ----           

                                               Percent               Percent               Percent    
                                      Amount   of Total     Amount   of Total     Amount   of Total   
                                     --------  --------    --------  --------    --------  --------   
                                                                                (Dollars In Thousands)
<S>                                  <C>       <C>         <C>       <C>         <C>       <C>        

Construction and land development    $  7,549      2.4%    $  3,576      1.2%    $  1,444      0.5%   
Commercial and industrial              50,560     16.0       41,006     14.2       37,811     13.2    
Industrial revenue bonds                2,693      0.9        3,030      1.1        3,362      1.2    
Commercial real estate                140,270     44.3      133,757     46.4      130,173     45.6    
Residential real estate                76,385     24.1       76,638     26.6       82,132     28.8    
Consumer                               19,254      6.1       12,749      4.4        9,243      3.2    
Home equity                            19,031      6.0       17,330      6.0       21,130      7.4    
Overdrafts                                648      0.2          194      0.1          143      0.1    
                                     --------    -----     --------    -----     --------    -----    
Loans(net of unearned
      discount)                      $316,390    100.0%    $288,280    100.0%    $285,438    100.0%   
                                     ========    =====     ========    =====     ========    =====    
</TABLE>


<TABLE>
<CAPTION>
                                          

                                            1994                   1993
                                            ----                   ----

                                               Percent                Percent
                                      Amount    of Total    Amount    of Total
                                     --------   --------   --------   --------
                                     
<S>                                  <C>        <C>        <C>        <C>

Construction and land development    $  1,924      0.7%    $  1,228        0.5%
Commercial and industrial              33,283     12.2       29,664       10.9
Industrial revenue bonds                3,873      1.4        4,186        1.5
Commercial real estate                122,538     44.9      120,064       44.2
Residential real estate                82,028     30.1       85,260       31.3
Consumer                               12,017      4.4       15,208        5.6
Home equity                            16,826      6.2       16,180        5.9
Overdrafts                                232      0.1          250        0.1
                                     --------    -----     --------      -----
Loans(net of unearned
      discount)                      $272,721    100.0%    $272,040      100.0%
                                     ========    =====     ========      =====
</TABLE>


                                       -6-
<PAGE>   9
The following table summarizes the remaining maturity distribution of certain
components of the Company's loan portfolio at December 31, 1997. The table
excludes loans secured by one-to-four family residential real estate and loans
for household family and other personal expenditures. Maturities are presented
as if scheduled principal amortization payments are due on the last contractual
payment date.

           Remaining Maturities of Selected Loans at December 31, 1997

<TABLE>
<CAPTION>
                                   One Year  One to Five    Over
                                   or Less      Years     Five Years     Total
                                   --------  -----------  ----------   --------
                                                  (In Thousands)
<S>                                <C>       <C>          <C>          <C>     

Construction and land development  $  4,927    $  2,622    $      0    $  7,549
Commercial and industrial            36,499      13,964          97      50,560
Industrial revenue bonds                 50       1,902         741       2,693
Commercial real estate               64,668      72,437       3,165     140,270
                                   --------    --------    --------    --------
  Total                            $106,144    $ 90,925    $  4,003    $201,072
                                   ========    ========    ========    ========
</TABLE>

The following table indicates the rate variability of the above loans due after
one year.

                                December 31, 1997

<TABLE>
<CAPTION>
                                       One to Five     Over
                                          Years     Five Years    Total
                                         -------      -------    -------
                                                   (In Thousands)    
<S>                                    <C>          <C>          <C>    
Predetermined interest rates             $75,535      $ 3,919    $79,454
Floating or adjustable interest rates     15,390           83     15,473
                                         -------      -------    -------
  Total                                  $90,925      $ 4,002    $94,927
                                         =======      =======    =======
</TABLE>

Individual loan officers have designated lending authorities established by the
Board of Directors, with larger loans requiring a second approval. The Bank has
an Executive Committee of the Board of Directors which meets monthly and
ratifies or approves all credits above a specified size. In addition, the
Company has an Executive Management Committee which meets monthly and monitors
the Company's lending policies and practices. The members of the Executive
Management Committee are: Marshall M. Sloane, Chairman, President and CEO;
George F. Swansburg, Executive Vice President; Jonathan G. Sloane, Senior Vice
President; Paul V. Cusick, Jr., Vice President and Treasurer; all of the
Company, and Donald H. Lang and William J. Sloboda, both Executive Vice
Presidents of the Bank.

The Company's commercial and industrial (C&I) loan customers represent various
small and middle market established businesses involved in manufacturing,
distribution, retailing and services. Most clients are privately owned with
markets that range from local to national in scope. Many of the loans to this
segment are secured by liens on corporate assets and the personal guarantees of
the principals. The Bank has placed greater emphasis on building its C&I base
over the future. The regional economic strength or weakness impacts on the
relative risks in this loan category. There is little concentration to any one
business sector and loan risks are generally diversified among many borrowers.

Commercial real estate loans are extended to finance various manufacturing,
warehouse, light industrial, office, retail and residential properties in the
Banks's market area to generally include Eastern Massachusetts and Southern New
Hampshire. Loans are normally extended in amounts up to a maximum of 80% of
appraised value and normally for terms up to three to five years. Amortization
schedules are long term and thus a balloon payment is due at maturity. Under
most circumstances, the Bank will offer to re-write or otherwise extend the loan
at prevailing interest rates. During recent years, the Bank has emphasized
non-residential type owner-occupied properties. This complements the above C&I
emphasis placed on the operating business entities and will be continued. The
regional economic environment impacts on the risk to both non-residential and
residential mortgages. This environment has improved over the recent period.
Together the above factors have stabilized many sections of the regional market.

                                       -7-
<PAGE>   10
Residential real estate (1-4 family) includes two categories of loans.
Approximately $14 million of loans are classified as "Commercial and Industrial"
type loans secured by 1-4 family real estate. Primarily, these are small
businesses with modest capital or shorter operating histories wherein the
collateral mitigates some risk. The collateral position notwithstanding, this
category of loans shares similar risk characteristics as the C&I loans. The
balance of loans in this category are mostly 1-4 family residential properties
located in the Bank's market area. General underwriting criteria are largely the
same as FNMA but normally only one or three year adjustable interest rates are
used. The Bank does utilize mortgage insurance in order to provide lower down
payment products and has provided a "First Time Homebuyer" product to encourage
new home ownership. Residential real estate loan volume has declined but
nonetheless remains a core consumer product. The regional environment impacts on
the risks to this category. In the recent period, the environment has improved,
and the market has generally been stable. Declining interest rates could
negatively impact the risk on adjustable interest rate loans as they are
repriced in the future.

Home equity loans are extended as both first and second mortgages on owner
occupied residential properties in the Bank's market area. Loans are
underwritten to a maximum loan to value of 75%.

The Bank does intend to maintain a market for construction loans, principally
for smaller local residential projects or an owner occupied commercial project.
Independent appraisals of the project and the costs are obtained and funds are
advanced over the life of the project as inspections of completed work warrant.
Individual consumer residential home construction loans are also extended on a
similar basis.

Bank officers evaluate the feasibility of construction projects, based on
independent appraisals of the project, architects or engineers evaluations of
the cost of construction, and other relevant data. At December 31, 1997, the
Company was obligated to advance a total of $321 thousand to complete projects
under construction.

At December 31, 1997 approximately 44% of the Company's loan portfolio consisted
of commercial real estate loans. Construction loans had increased to 2.4 % of
the Company's outstanding loans.

At December 31, 1997, the Company's residential mortgage loans amounted to $76.4
million. The Company's consumer loan portfolio amounted to $38.3 million at
December 31, 1997, primarily consisting of home equity loans amounting to $19.0
million and personal lines of credit, motor vehicle loans and other installment
loans amounting to $19.3 million.


                                       -8-
<PAGE>   11
NONPERFORMING ASSETS AND ALLOWANCE FOR POSSIBLE LOAN LOSSES

Loans are placed on nonaccrual status when any payment of principal and/or
interest is 90 days or more past due, unless the collateral is sufficient to
cover both principal and interest and the loan is in the process of collection.
The Company monitors closely the performance of its loan portfolio. In addition
to internal loan review, the Company has contracted with an independent
organization to review the Company's commercial and commercial real estate loan
portfolios. This independent review was performed in each of the past five
years. The status of delinquent loans, as well as situations identified as
potential problems, are reviewed on a regular basis by senior management and
monthly by the Board of Directors of the Bank.

The following table summarizes the Company's nonperforming assets at the dates
indicated.

                                  December 31,

<TABLE>
<CAPTION>
                                     1997        1996        1995        1994       1993
                                   -------     -------     -------     -------     -------
                                               (Dollars in Thousands)

<S>                               <C>         <C>         <C>         <C>         <C>    
Loans on nonaccrual                $ 1,705     $ 2,140     $ 3,751     $ 2,954     $ 4,676
Loans not included above
   which are nonperforming
   troubled debt restructurings      1,026       1,164       1,457       3,113       5,427
Other real estate owned , net          -0-         182         845       3,192      10,388
                                   -------     -------     -------     -------     -------
     Total nonperforming assets    $ 2,731     $ 3,486     $ 6,053     $ 9,259     $20,491
                                   =======     =======     =======     =======     =======

Percentage of nonperforming
   assets to total loans and
   other related assets               0.86%       1.21%       2.11%       3.36%       7.26%
                                   =======     =======     =======     =======     =======
</TABLE>

The lower level of nonperforming assets in 1997 resulted from a reduction in new
additions to nonperforming assets during the year combined with an improvement
in the resolution of nonperforming assets including payments on nonperforming
loans and sales of other real estate owned (OREO).

The Company identifies loans renegotiated prior to January 1, 1995 at then below
market rates as troubled debt restructurings. Interest income associated with
the $3,306,000 of troubled debt restructurings and performing impaired loans at
December 31, 1997 amounted to $230,000 for the year then ended. Interest income
for the same period would have amounted to $277,000 under the original terms and
agreements of the notes. As a result of placing loans on non-accrual status, the
Company has foregone $118,000 of interest income during 1997 compared to
$172,000 during 1996.

In addition to the above, the Company is monitoring closely $7.7 million of
loans on which management is concerned with the ability of the borrowers to
perform. The majority of the loans are secured by real estate properties
experiencing higher than expected vacancies and lower than expected rental
revenue. While the properties are considered to have adequate value to cover the
loan balances at December 31, 1997, such values can fluctuate with changes in
the economy and the real estate market.

There were no impaired loans with specific reserves at December 31, 1997 and
1996 because, in the opinion of management, none required a specific reserve.
All impaired loans have been measured using the fair value of the collateral
method.

The following table summarizes the Company's loans past due 90 days or more and
still accruing and impaired loans at the dates indicated.


                                  
<TABLE>
<CAPTION>
                                             December 31,
                               1997      1996      1995      1994      1993
                              ------    ------    ------    ------    ------
                                          (Dollars in Thousands)
<S>                           <C>       <C>       <C>       <C>       <C>
Loans past due 90 days or
   more and still accruing    $    7    $  192    $   87    $  114    $  502
Impaired loans                $3,515    $3,055    $3,356       n/a       n/a
</TABLE>

                                       -9-
<PAGE>   12
The Company maintains an allowance for loan losses in an amount determined by
management on the basis of the character of the loans, loan performance, the
financial condition of borrowers, the value of collateral securing loans and
other relevant factors. The following table summarizes the changes in the
Company's allowance for loan losses for the years indicated.

<TABLE>
<CAPTION>
                                                                      Year Ended December 31,
                                                 1997         1996         1995         1994         1993
                                               --------     --------     --------     --------     --------
                                                                    (Dollars in Thousands)
<S>                                            <C>          <C>          <C>          <C>          <C>
Year end loans outstanding
  (net of unearned discount)                   $316,390     $288,280     $285,438     $272,721     $272,040
                                               ========     ========     ========     ========     ========

Average loans outstanding
  (net of unearned discount)                   $304,147     $281,943     $279,555     $267,123     $289,007
                                               ========     ========     ========     ========     ========

Balance of allowance for
  loan losses at
  beginning of year                            $  4,179     $  4,193     $  4,239     $  5,129     $  5,644
                                               --------     --------     --------     --------     --------

Loans charged-off:
  Commercial                                         25            2            2          781          657
  Construction and land development                   0            0            0          292           23
  Commercial real estate                             48          380        1,144          433        2,024
  Residential real estate                           363          801          551        1,016        1,075
  Consumer                                          253          120          131          242          408
                                               --------     --------     --------     --------     --------
     Total loans charged-off                        689         1303        1,828        2,764        4,187
                                               --------     --------     --------     --------     --------

Recoveries of loans previously charged-off:
  Commercial                                         76           78           39           23           32
  Real estate                                       162          163          134          204          297
  Consumer                                           58           28           49           27           43
                                               --------     --------     --------     --------     --------
     Total recoveries of loans
      previously charged-off                        296          269          222          254          372
                                               --------     --------     --------     --------     --------
     Net loans charged-off                          393        1,034        1,606        2,510        3,815
                                               --------     --------     --------     --------     --------
  Additions to allowance charged to
    operating expense                               660        1,020        1,560        1,620        1,800
  Acquired allowance                               --           --           --           --          1,500
                                               --------     --------     --------     --------     --------
  Balance at end of year                       $  4,446     $  4,179     $  4,193     $  4,239     $  5,129
                                               ========     ========     ========     ========     ========

  Ratio of net charge-offs during
    the year to average loans
    outstanding                                    0.13%        0.37%         .57%         .94%        1.32%
                                               ========     ========     ========     ========     ========

  Ratio of allowance for
    loan losses to loans
    outstanding                                    1.41%        1.45%        1.47%        1.55%        1.89%
                                               ========     ========     ========     ========     ========
</TABLE>

 The provision for 1997, while below the prior four year average, remains above
 historical levels and reflects significant improvements in the loan portfolio.
 At December 31, 1997 nonperforming assets were $2.7 million or .86% of loans
 and related assets. Such figures are significantly lower than those at the end
 of the last four years.

 While the Company expects a similar level of charge-offs in future periods, the
 pace of the charge-offs depends on many factors including the national and
 regional economy. Cyclical lagging factors may result in charge-offs being
 higher than historical levels.



                                       10

<PAGE>   13
The allowance for loan losses is an estimate of the amount needed for an
adequate reserve to absorb losses in the existing loan portfolio. This amount is
determined by an evaluation of the loan portfolio including input from an
independent organization engaged to review selected larger loans, a review of
loan loss experience and current economic conditions. At December 31, the
allowance was comprised of the following components.

<TABLE>
<CAPTION>
                                                      1997                    1996                    1995                    1994  
                                                      ----                    ----                    ----                    ----  
                                                Percent of              Percent of              Percent of              Percent of  
                                                  loans in                loans in                loans in                loans in  
                                             each category           each category           each category           each category  
Balance at end of                                 to total                to total                to total                to total  
period applicable to                 Amount          loans   Amount          loans   Amount          loans   Amount          loans  
- --------------------                 ------          -----   ------          -----   ------          -----   ------          -----  
                                                                        (Dollars In Thousands)
<S>                                 <C>      <C>             <C>     <C>             <C>     <C>             <C>     <C>
Construction and land development   $   104            2.4%  $   48            1.2%  $   21            0.5%  $   49            0.7% 
Commercial and industrial               716           16.0      660           14.2      595           13.2      530           12.2  
Industrial revenue bonds                 17            0.9       17            1.1       23            1.2       26            1.4  
Commercial real estate                2,138           44.3    2,201           46.4    2,095           45.6    2,158           44.9  
Residential real estate                 846           24.1      830           26.6    1,031           28.8    1,025           30.1  
Consumer                                402            6.1      233            4.4      228            3.2      293            4.4  
Home equity                             214            6.0      187            6.0      198            7.4      155            6.2  
Overdrafts                                9            0.2        3            0.1        2            0.1        3            0.1  
                                    -------          -----   ------          -----   ------          -----   ------          -----  
                                    $ 4,446          100.0%  $4,179          100.0%  $4,193          100.0%  $4,239          100.0% 
                                    =======          =====   ======          =====   ======          =====   ======          =====  
</TABLE>
<TABLE>
<CAPTION>
                                                      1993    
                                                      ----    
                                                Percent of    
                                                  loans in    
                                             each category    
Balance at end of                                 to total    
period applicable to                 Amount          loans    
- --------------------                 ------          -----    
                                    (Dollars In Thousands)
<S>                                  <C>     <C>
Construction and land development    $  102            0.5%   
Commercial and industrial               958           10.9    
Industrial revenue bonds                 23            1.5    
Commercial real estate                2,422           44.1    
Residential real estate               1,023           31.3    
Consumer                                462            5.6    
Home equity                             139            5.9     
Overdrafts                                0            0.1    
                                     ------          -----    
                                     $5,129          100.0%   
                                     ======          =====    
</TABLE>


Investment Activities

The following table sets forth certain information regarding the Company's
investment portfolio. Dollar amounts reflect carrying values. At December 31,
1997, the market value of securities available-for-sale was $89.2 million
compared to the amortized cost of $89.0 million for such securities. At December
31, 1997, the market value of securities held-to-maturity was $109.5 million,
compared to the amortized cost of $109.2 million of such securities.

<TABLE>
<CAPTION>
                                            Securities available-for-sale             Securities held-to-maturity
                                                    December 31,                               December 31,
                                         -----------------------------------      -----------------------------------
                                            1997          1996          1995          1997          1996         1995
                                            ----          ----          ----          ----          ----         ----
                                                    (In Thousands)                            (In Thousands)
<S>                                      <C>          <C>           <C>           <C>           <C>           <C>
Balance at end of
period applicable to

U.S. Government and Agencies             $84,763      $ 77,155      $ 97,482      $107,117      $105,582      $74,710
Obligations of states and political
 subdivison                                  750         1,241         1,510            22            34          179
 Other                                     3,677         2,619         1,762         2,100         2,099        3,098
                                         -------      --------      --------      --------      --------      -------
                                         $89,190      $ 81,015      $100,754      $109,239      $107,715      $77,987
                                         =======      ========      ========      ========      ========      =======
</TABLE>


                                      -11-
<PAGE>   14
The following table sets forth the maturities of the Company's investment
securities on the basis of their carrying values at December 31, 1997 and the
weighted average yields of securities, which are based on amortized cost,
calculated on a fully taxable equivalent basis.

<TABLE>
<CAPTION>
                                                         Securities Available-for-Sale
                                                         -----------------------------
                                                         After One         After Five
                                        Within           But Within        But Within          After
                                       One Year          Five Years        Ten Years         Ten Years         Total
                                       --------          ----------        ----------        ---------         -----
                                     Amount   Yield    Amount    Yield   Amount    Yield   Amount    Yield   Amount    Yield
                                     ------   -----    ------    -----   ------    -----   ------    -----   ------    -----
                                                                          (Dollars In Thousands)                                
<S>                                  <C>      <C>      <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>
U.S Government and
  Agencies                           $29,503   5.97%   $54,251   6.24%   $1,000    6.50%   $    0    0.00%   $84,754    6.15%
Obligations of states
  and political
  subdivisions                           750   4.18%         0   0.00%        0    0.00%        0    0.00%       750    4.18%
Other                                      0   0.00%         0   0.00%      259    7.80%    3,427    6.38%     3,686    6.48%
                                     -------           -------           ------            ------            -------

                                     $30,253   5.92%   $54,251   6.24%   $1,259    6.77%   $3,427    6.38%   $89,190    6.15%
                                     =======  =====    =======   ====    ======    ====    ======    ====    =======    ====
</TABLE>
<TABLE>
<CAPTION>
                                                        Securities Held-To-Maturity
                                                        ---------------------------
                                                        After One         After Five
                                      Within            But Within        But Within          After
                                      One Year          Five Years        Ten Years         Ten Years         Total
                                      --------          ----------        ----------        ---------         -----
                                    Amount    Yield   Amount    Yield   Amount    Yield   Amount    Yield   Amount    Yield
                                    ------    -----   ------    -----   ------    -----   ------    -----   ------    -----
                                                                   (Dollars In Thousands)
<S>                                <C>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>
U.S Government and
  Agencies                         $ 9,970    6.12%   $79,191   6.37%   $16,956   6.57%   $1,000    6.65%   $107,117  6.38%
Obligations of states
  and political
  subdivisions                          11    8.65%        11   8.65%         0   0.00%        0    0.00%         22  8.65%
Other                                2,025    4.91%        50   4.19%        25   5.50%        0    0.00%      2,100  4.90%
                                     -----            -------           -------           ------            --------
                                   $12,006    5.91%   $79,252   6.37%   $16.981   6.57%   $1,000    6.65%   $109,239  6.35%
                                   =======    ====    =======   ====    =======   ====    ======    ====    ========  ====
</TABLE>



                                      -12-
<PAGE>   15

Obligations of states and political subdivisions consist primarily of
obligations of the Commonwealth of Massachusetts and entities within it having
other relationships with the Company. The Company regularly bids on tax
anticipation notes and other short-term instruments of municipalities who have
depository relationships with it. The Company also writes equipment leases to
finance acquisition of computers, fire trucks, snow plows and other equipment
used by municipalities.

Except for obligations of the United States Government, the portfolio at
December 31, 1997 did not include securities of any single issuer in an amount
in excess of 10% of stockholders' equity.

DEPOSITS

The Company offers savings accounts, NOW accounts, demand deposits, certificates
of deposit and money market accounts. The Company offers cash management
accounts which provide either automatic transfer of funds above a specified
level from the customer's checking account to a money market account or
short-term borrowings. Also, an account reconciliation service is offered
whereby the Company provides a computerized report balancing the customer's
checking account.

Interest rates on deposits are set weekly by the Treasurer, based on factors
including loan demand, maturities and a review of competing interest rates
offered. Interest rate policies are reviewed periodically by the Executive
Management Committee.

The following table shows the average amount of and average interest rate paid
on various categories of deposits during the years indicated.

<TABLE>
<CAPTION>
                                                     1997                         1996                        1995
                                                     ----                         ----                        ----
                                                              Average                    Average                       Average
                                                              Interest                   Interest                      Interest
                                             Average          Rate        Average        Rate         Average          Rate
                                             Amount           Paid        Amount         Paid         Amount           Paid
                                             ------           ----        ------         ----         ------           ----
<S>                                        <C>               <C>         <C>            <C>          <C>               <C>  
Interest-bearing deposits:
NOW accounts                               $ 91,938          2.79%       $ 84,620        2.80%       $ 82,628          3.11%
Savings accounts                             55,911          2.56%         55,905        2.57%         50,916          2.62%
Money market accounts                        66,936          2.82%         70,735        2.95%         78,029          3.19%
Time deposits of $100,000 or more            35,939          5.14%         34,542        5.19%         26,872          5.50%
Other time deposits                         119,668          5.54%        123,495        5.85%        107,897          5.69%
                                           --------                      --------                    --------        

Total interest-bearing deposits             370,392          3.88%        369,297        4.04%        346,342          4.04%

Non interest-bearing demand deposits        105,417                        99,179                      86,328
                                           --------                      --------                    --------


Total average deposits                     $475,809          3.02%       $468,476       3.18%        $432,670          3.24%
                                           ========          ====        ========       ====         ========          ====
</TABLE>

Total deposits at December 31, 1997 amounted to $515 million, including $63
million of time deposits of $100,000 or more. Traditionally, the Company
experiences a decline in deposits during the first and third quarters of each
year because of the deposit cycles of certain of its customers, notably
municipalities.

The Company's time certificates of deposit in amounts of $100,000 or more at
December 31, 1997 mature as follows.

<TABLE>
<CAPTION>
                                         (In Thousands)
<S>                                      <C>    
Three months or less                         $49,960
Three through six months                       6,193
Six through twelve months                      6,279
Over twelve months                               782
                                             -------
                                             $63,214
                                             =======
</TABLE>


                                      -13-
<PAGE>   16
BORROWED FUNDS

The Company sells securities under repurchase agreements and enters into other
borrowings to obtain funds to support asset growth. Pertinent data relating to
borrowed funds is presented below.

<TABLE>
<CAPTION>
                                                           1997                  1996              1995
                                                           ----                  ----              ----
                                                                     (Dollars In Thousands)
<S>                                                       <C>                   <C>              <C>    
Securities sold under agreements to repurchase:

Amount outstanding at year end                            $32,850               $17,790          $21,580
Weighted average interest rate
  at end of year                                             4.49%                 4.34%            4.25%
Maximum amount outstanding at
  any month end during year                               $39,060               $17,790          $21,580
Daily average amount outstanding
  during year                                             $24,994               $16,654          $14,390
Weighted average interest rate
  during year                                                4.30%                 4.28%            4.39%

Other borrowed funds:

Amount outstanding at year end                            $13,474               $12,353          $ 1,897
Weighted average interest rate
  at end of year                                             6.96%                 7.16%            5.21%
Maximum amount outstanding at
  any month end during year                               $36,609               $17,577          $ 1,897
Daily average amount outstanding
  during year                                             $ 7,908               $ 3,135          $   960
Weighted average interest rate
  during year                                                6.21%                 5.81%            5.42%
</TABLE>

Securities sold under agreements to repurchase are primarily over-night demand
obligations and are collateralized by U.S. Government and Agency securities.

OTHER SERVICES

In addition to fees derived from traditional banking activities such as loan
origination fees, the Company derives revenues from its automated lock box
collection system and full service securities brokerage offered through
Commonwealth Equity Services, Inc., a registered securities broker-dealer and
investment adviser.

Under the lock-box program, which is not tied to extensions of credit by the
Company, the Company's customer arranges for payments of its accounts receivable
to be made directly to the Company. The Company records on its computer the
amounts paid to its customers, deposits the funds to the customer's account with
the Company and provides computerized records of the amounts received to the
Company's customers. Typical customers for the lock box service are
municipalities who use it to automate tax collections, cable TV companies, and
other commercial enterprises.


                                      -14-
<PAGE>   17
Through Commonwealth Equity Services, Inc., the Bank provides full service
securities brokerage services. Registered representatives employed by the Bank
offer investment advice, execute transactions and assist customers in financial
and retirement planning. Commonwealth Equity Services, Inc., provides research
to and supervises the representatives in exchange for payment by the Bank for a
fixed fee and a share in the commission revenues.

EMPLOYEES

As of December 31, 1997, the Company had 201 full-time and 85 part-time
employees. The Company's employees are not represented by any collective
bargaining unit. The Company believes that its employee relations are good.

HOLDING COMPANY REGULATION

The Company is a bank holding company as defined by the Bank Holding Company Act
of 1956, as amended (the "Holding Company Act") and is registered as such with
the Federal Reserve Board (the "FRB"), which is responsible for administration
of the Holding Company Act. As required by the Holding Company Act, the Company
files with the FRB an annual report regarding its financial condition and
operations, management and intercompany relationships of the Company and the
Bank. It is also subject to examination by the FRB and must obtain FRB approval
before (I) acquiring direct or indirect ownership or control of more than 5% of
the voting stock of any bank, unless it already owns or controls a majority of
the voting stock of that bank, (ii) acquiring all or substantially all of the
assets of a bank, except through a subsidiary which is a bank, or (iii) merging
or consolidating with any other bank holding company. A bank holding company
must also give the FRB prior written notice before purchasing or redeeming its
equity securities if the gross consideration for the purchase or redemption,
when aggregated with the net consideration paid by the company for all such
purchases or redemptions during the preceding 12 months, is equal to 10% or more
of the Company's consolidated net worth.

The Holding Company Act prohibits a bank holding company, with certain
exceptions, from (I) acquiring direct or indirect ownership or control of any
voting shares of any company which is not a bank or a bank holding company, or
(ii) engaging in any activity other than managing or controlling banks, or
furnishing services to or performing services for its subsidiaries. A bank
holding company may own, however, shares of a company engaged in activities
which the FRB has determined are so closely related to banking or managing or
controlling banks as to be a proper incident thereto. Such activities include
leasing real or personal property under certain conditions; operating as a
mortgage finance or factoring company; servicing loans and other extensions of
credit; acting as a fiduciary; acting as investment or financial advisor under
certain conditions; acting as insurance agent or broker principally in
connection with extension of credit by the bank holding company or any
subsidiary; acting as underwriter for credit life insurance and credit accident
and health insurance which is directly related to extension of credit by the
bank holding company or any subsidiary; arranging commercial real estate equity
financing under certain circumstances; providing securities brokerage and
related services as agent for the account of customers; providing bookkeeping or
data processing services for the bank holding company, its affiliates and other
institutions, with certain limitations; making certain equity and debt
investments in community rehabilitation and development corporations; and
providing certain kinds of management consulting advice to unaffiliated banks.

A bank holding company and its subsidiaries are prohibited from acquiring any
voting shares of, interest in, or all or substantially all of the assets of, any
bank located outside the state in which the operations of the bank holding
company's banking subsidiaries are principally conducted, unless the acquisition
is specifically authorized by the statutes of the state in which the bank to be
acquired is located.

The Company and its subsidiaries are examined by federal and state regulators.
The FRB has responsibility for holding company activities and performed a review
in 1997.


                                      -15-
<PAGE>   18
The regulatory standard for capital adequacy assigns risk factors to asset
categories and certain off-balance sheet commitments. The fully-phased in 1992
standard requires a tier-1 capital to risk assets ratio of 4.00% and a total
capital to risk assets ratio of 8.00%. At December 31, 1997, the Company's
ratios were 15.51% and 16.76%, respectively. The Bank also exceeded these
risk-weighted capital measures at December 31, 1997. In addition to these risk
based capital requirements, federal banking regulators have leverage guidelines.
The minimum leverage requirement is 4% as measured by the ratio of core capital,
net of intangible assets, to total assets. At December 31, 1997 the Company's
ratio was 9.09%. The Bank also exceeded the leverage requirement at December 31,
1997.

FEDERAL DEPOSIT INSURANCE CORPORATION IMPROVEMENT ACT OF 1991

On December 19, 1991, the FDIC Improvement Act of 1991 (the "1991 Act") was
enacted. This legislation seeks to recapitalize the Bank Insurance Fund of the
FDIC ("BIF") so that the BIF can continue to resolve its caseload of failed
banks. The recapitalization will be funded through, among other things,
increased deposit insurance assessments payable by BIF-insured institutions,
which will increase the cost of doing business by all BIF-insured institutions,
including the Company's subsidiary. The 1991 Act also provides for, among other
things: enhanced federal supervision of depository institutions, including
greater authority for the appointment of a conservator or receiver for
undercapitalized institutions; the establishment of risk-based deposit insurance
premiums; a requirement that the federal banking agencies amend their risk-based
capital requirements to include components for interest-rate risk, concentration
of credit risk, and the risk of nontraditional activities; expanded authority
for cross-industry mergers and acquisitions; mandated consumer protection
disclosures with respect to deposit accounts; and imposed restrictions on the
activities of state-chartered banks, including the Company's subsidiary.

Provisions of the 1991 Act relating to the activities of state-chartered banks
may significantly impact the way the Company conducts its business. In this
regard, the 1991 Act provides that, effective one year from date of enactment,
insured state banks, such as the Company's subsidiary, may not engage as
principal in any activity that is not permissible for a national bank, unless
the FDIC has determined that the activity would pose no significant risk to the
BIF and the state bank is in compliance with applicable capital standards.
Activities of subsidiaries of insured state banks are similarly restricted to
those activities permissible for subsidiaries of national banks, unless the FDIC
has determined that the activity would pose no significant risk to the BIF and
the state bank is in compliance with applicable capital standards.

COMPETITION

The Company experiences substantial competition in attracting deposits and
making loans from commercial banks, thrift institutions and other enterprises
such as insurance companies and mutual funds. These competitors include several
major commercial banks whose greater resources may afford them a competitive
advantage by enabling them to maintain numerous branch offices and mount
extensive advertising campaigns.


                                      -16-
<PAGE>   19
ITEM 2.  PROPERTIES

The Company owns its main banking office, headquarters, and operations center in
Medford, and 11 of the 14 other facilities in which its branch offices are
located. The remaining offices are occupied under leases expiring on various
dates from 1997 to 2026. The Company has renovated its Medford operations center
to provide space for its Executive and Lending staff.

ITEM 3.  LEGAL PROCEEDINGS

The Company and its subsidiaries are parties to various claims and lawsuits
arising in the course of their normal business activities. Although the ultimate
outcome of these suits cannot be ascertained at this time, it is the opinion of
management that none of these matters, when resolved, will have a material
adverse effect on the Company's consolidated financial position.


ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS


No matters were submitted to a vote of Security Holders during the fourth
quarter of the fiscal year ended December 31, 1997.


                                     PART II


ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER
MATTERS

         (a)      The Class A Common Stock of the Company is traded on the
                  NASDAQ system. The price range of the Company's common stock
                  since January 1, 1996 is shown on page 19.

                  The shares of Class A Common Stock are not entitled to vote in
                  the election of Company Directors but, in limited
                  circumstances, are entitled to vote as a class on certain
                  extraordinary transactions, including any merger or
                  consolidation (other than one in which the Company is the
                  surviving corporation or one which by law may be approved by
                  the directors without any stockholder vote) or the sale,
                  lease, or exchange of all or substantially all of the property
                  and assets of the Company. Since the vote of a majority of the
                  shares of Class B Common Stock, voting as a class, is required
                  to approve certain extraordinary corporate transactions, the
                  Board of Directors of the Company has power to prevent any
                  takeover of the Company not approved by them in their capacity
                  as Class B stockholders.


         (b)      Approximate number of equity security holders as of December
                  31, 1997.

                                                     Approximate Number
                     Title of Class                  of Record Holders

                     Class A Common Stock                   347
                     Class B Common Stock                    79

         (C)      Under the Company's Articles of Organization, the holders of
                  the Class A Common Stock are entitled to receive dividends per
                  share equal to at least 200% of that paid, if any, from time
                  to time on each share of Class B Common Stock.(cont.)


                                      -17-
<PAGE>   20
                    The following table shows the dividends paid by the Company
                    on the Class A and Class B Common Stock for the periods
                    indicated.

                                                            Dividends Per Share

<TABLE>
<CAPTION>
                                                          Class A           Class B
                                                          -------           -------
<S>                                                       <C>               <C>    
                    1995
                         First quarter                    $  .030           $ .0042
                         Second quarter                      .030             .0042
                         Third quarter                       .030             .0042
                         Fourth quarter                      .030             .0042

                    1996
                         First quarter                    $  .040           $ .0056
                         Second quarter                      .040             .0056
                         Third quarter                       .040             .0056
                         Fourth quarter                      .040             .0056

                    1997
                         First quarter                    $ .050            $ .0070
                         Second quarter                      .050             .0070
                         Third quarter                       .050             .0070
                         Fourth quarter                      .050             .0070
</TABLE>


                    As a bank holding company, the Company's ability to pay
                    dividends is dependent in part upon the dividend payments it
                    receives from the Bank, which are subject to certain
                    restrictions on the payment of dividends. A Massachusetts
                    trust company may pay dividends out of net profits from time
                    to time, provided that either (I) the trust company's
                    capital stock and surplus account equal an aggregate of at
                    least 10% of its deposit liability, or (ii) the amount of
                    its surplus account is equal to at least the amount of its
                    capital account.



ITEM 6.  SELECTED FINANCIAL DATA

         The information required herein is shown on page 19 and 20.


ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
         RESULTS OF OPERATIONS

         The information required herein is shown on pages 21 through 24.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

         The information required herein is shown on page 23.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

         The information required herein is shown on pages 25 through 44.

ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
         FINANCIAL DISCLOSURE

         None.


                                      -18-

<PAGE>   21
FINANCIAL HIGHLIGHTS



<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------
                                                  1997           1996           1995
- ------------------------------------------------------------------------------------
(dollars in thousands except share data)
<S>                                         <C>            <C>            <C>
YEAR-END
Total assets                                $  631,125     $  560,857     $  531,928
Total loans                                    316,390        288,280        285,438
Total deposits                                 515,449        476,135        458,615
Total stockholders' equity                      53,857         47,489         42,935

YEARLY AVERAGES
Total assets                                $  566,827     $  540,396     $  494,485
Total earning assets                           510,028        483,109        442,837
Total securities available-for-sale             83,396         91,524         71,839
Total securities held-to-maturity              109,491         94,505         62,338
Total loans                                    304,147        281,943        279,555
Total deposits                                 475,809        468,476        432,670
Total borrowed funds                            32,902         19,789         15,350
Total stockholders' equity                      50,329         44,791         40,381

EARNINGS
Net income                                  $    6,823     $    5,434     $    4,574
Net interest income, taxable equivalent         25,448         23,132         21,502
Other operating income                           4,994          4,761          4,722
Operating expenses                              18,600         17,874         18,224

PERFORMANCE MEASURES
Earnings per share, basic                   $     1.18     $     0.95     $     0.80
Earnings per share, diluted                 $     1.17     $     0.93     $     0.78
Return on average stockholders' equity           13.56%         12.13%         11.33%
Book value per share at December 31         $     9.30     $     8.25     $     7.50
Return on average assets                          1.20%          1.01%           .92%

COMMON SHARE DATA
Average shares outstanding, basic            5,772,135      5,736,230      5,722,646
Average shares outstanding, diluted          5,830,910      5,818,942      5,831,042
Shares outstanding at year-end               5,790,417      5,758,467      5,724,117
</TABLE>

PER SHARE DATA

<TABLE>
<CAPTION>
1997, Quarter Ended                December 31,     September 30,      June 30,         March 31,
- -------------------------------------------------------------------------------------------------
<S>                                <C>              <C>                <C>              <C>
Market price range (Class A)
   High                              $  19.00         $  17.25         $ 13.875         $ 14.125
   Low                                 16.625            13.25           12.625            12.75
Dividends class A                        0.05             0.05             0.05             0.05
Dividends class B                       0.007            0.007            0.007            0.007
</TABLE>

<TABLE>
<CAPTION>
1996, Quarter Ended                December 31,     September 30,      June 30,         March 31,
- -------------------------------------------------------------------------------------------------
<S>                                <C>              <C>                <C>              <C>
Market price range (Class A)
   High                              $  14.50         $  13.00         $ 12.875         $ 11.375
   Low                                  12.25            11.50            11.00            10.00
Dividends class A                        0.04             0.04             0.04             0.04
Dividends class B                      0.0056           0.0056           0.0056           0.0056
</TABLE>



                                       19
<PAGE>   22
SELECTED FINANCIAL DATA


<TABLE>
<CAPTION>
                                                1997          1996          1995          1994          1993
                                                ----          ----          ----          ----          ----
<S>                                             <C>           <C>           <C>           <C>           <C>
(dollars in thousands except share data)

FOR THE YEAR
Interest income..............................   $   41,216    $   38,777    $   35,988    $   30,461    $   29,262
Interest expense.............................       15,922        15,805        14,686        10,924        11,813
                                                ----------    ----------    ----------    ----------    ----------
   Net interest income.......................       25,294        22,972        21,302        19,537        17,449
Provision for loan losses....................          660         1,020         1,560         1,620         1,800
                                                ----------    ----------    ----------    ----------    ----------
   Net interest income after provision
     for loan losses.........................       24,634        21,952        19,742        17,917        15,649
Other operating income.......................        4,994         4,761         4,722         5,420         6,833
Operating expenses...........................       18,600        17,874        18,224        19,265        20,654
                                                ----------    ----------    ----------    ----------    ----------
   Income before income taxes................       11,028         8,839         6,240         4,072         1,828
Provision for income taxes...................        4,205         3,405         1,666           768           605
                                                ----------    ----------    ----------    ----------    ----------
   Net income................................   $    6,823    $    5,434    $    4,574    $    3,304    $    1,223
                                                ==========    ==========    ==========    ==========    ==========
Average shares outstanding, basic............    5,772,135     5,736,230     5,722,646     5,722,450     5,722,450
Average shares outstanding, diluted..........    5,830,910     5,818,942     5,831,042     5,832,093     5,722,450
Earnings per share:
   Basic.....................................   $     1.18    $     0.95    $     0.80    $     0.58    $     0.21
   Diluted...................................   $     1.17    $     0.93    $     0.78    $     0.57    $     0.21
Dividend payout ratio........................         11.1%         10.9%          9.6%         10.9%         28.9%

AT YEAR-END
Assets.......................................   $  631,125    $  560,857    $  531,928    $  465,419    $  469,823
Loans........................................      316,390       288,280       285,438       272,721       272,040
Deposits.....................................      515,449       476,135       458,615       409,542       421,395
Stockholders' equity.........................       53,857        47,489        42,935        37,553        35,505
Book value per share.........................   $     9.30    $     8.25    $     7.50    $     6.56    $     6.20

SELECTED FINANCIAL PERCENTAGES
Return on average assets.....................         1.20%         1.01%         0.92%         0.70%         0.25%
Return on average stockholders' equity.......        13.56%        12.13%        11.33%         9.11%         3.48%
Net yield on average earning assets,
   taxable equivalent........................         4.99%         4.79%         4.86%         4.70%         4.16%
Net charge-offs as a percent of
   average loans.............................         0.13%         0.37%         0.57%         0.94%         1.32%
Average stockholders' equity to
   average assets............................         8.88%         8.29%         8.17%         7.67%         7.30%
</TABLE>



                                       20

<PAGE>   23
            MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS OF OPERATIONS AND
            FINANCIAL CONDITION


OVERVIEW

Century Bancorp, Inc. (the "Company") had net income of $6,823,000 for the year
ended December 31, 1997, compared with net income of $5,434,000 for year ended
December 31, 1996 and net income of $4,574,000 for the year ended December 31,
1995. Basic earnings per share were $1.18 in 1997 compared to $0.95 in 1996 and
$0.80 in 1995. Diluted earnings per share were $1.17 in 1997 compared to $0.94
in 1996 and $0.79 in 1995.

     Total assets were $631,125,000 at December 31, 1997, an increase of 12.5%
from total assets of $560,857,000 on December 31, 1996, which, in turn, were
5.4% higher than total assets of $531,928,000 on December 31, 1995.

     On December 31, 1997, stockholders' equity totaled $53,857,000 compared
with $47,489,000 on December 31, 1996, and $42,935,000 on December 31, 1995.
Book value increased to $9.30 at December 31, 1997 from $8.25 on December 31,
1996, which had increased from $7.50 on December 31, 1995.

     On December 10, 1997 the Company announced an agreement to merge Haymarket
Cooperative Bank, based in Boston, Massachusetts, into Century Bank and Trust
Company. The agreement called for the Bank to acquire assets of approximately
$142 million and operate two banking offices located in Boston. Century Bank and
Trust Company will pay approximately $20 million in cash for Haymarket
Cooperative Bank and is subject to federal and state regulatory approval. The
transaction will be accounted for using the purchase method of accounting.

     During 1997 the Company conducted a comprehensive review of its computer
systems to identify the systems that could be affected by the "Year 2000" issue
and has developed an implementation plan to resolve the issue. The Year 2000
problem is the result of computer programs being written using two digits rather
than four to define the applicable year. Any of the Company's programs that have
time-sensitive software may recognize a date using "00" as the year 1900 rather
then the year 2000. This could result in a major system failure or
miscalculations. The Company presently believes that, with the previously
planned conversion to a new core processing software and modifications to
existing software, the Year 2000 problem will not pose significant operational
problems for the Company's computer systems as so modified and converted. The
new core processing software is Year 2000 compliant and the other systems which
require modifications are not significant and the cost is not material. However,
if such modifications and conversions are not completed timely, the Year 2000
problem may have a material impact on the operations of the Company.

RESULTS OF OPERATIONS

The Company's operating results depend primarily on net interest income and fees
received for providing services. Net interest income on a fully taxable
equivalent basis increased 10.0% in 1997 to $25,448,000 compared with
$23,132,000 in 1996. Interest income was affected positively by improvements in
the interest earned in most categories of earning assets. Much of the Company's
earning assets were repriced to improve their respective returns. Net interest
income is affected by the level of interest rates, the ability of the Company's
earning assets and deposits to adjust to changes in interest rates and the mix
of the Company's earning assets and deposits. The net yield on earning assets on
a fully taxable equivalent basis increased to 4.99% in 1997 from 4.79% in 1996
which, in turn, had decreased from 4.86% in 1995.

     Average earning assets were $510,028,000 in 1997, an increase of
$26,919,000 or 5.6% from the average in 1996, which was 9.1% higher than the
average in 1995. Total average securities, including securities available for
sale and securities held to maturity, increased 3.7% to $192,887,000. The
increase in securities volume combined with a slight lengthening in the maturity
of the portfolios resulted in higher securities income, which increased 4.1% to
$12,156,000. Total average loans increased 7.9% to $304,147,000 after increasing
$2,388,000 in 1996. The increase in loan volume combined with a slightly higher
level of interest rates resulted in higher loan income, which increased by 7.8%
or $2,062,000 to $28,353,000. Total loan income was $26,326,000 in 1995.

     The Company's sources of funds include deposits and borrowed funds. On
average, deposits showed an increase of 1.6% in 1997 after increasing by 8.3% in
1996. Borrowed funds increased by 66.3% in 1997 following an increase of 28.9%
in 1996. The majority of the Company's borrowed funds are in repurchase
agreements. Interest expense totaled $15,922,000 in 1997, an increase of
$117,000 or .7% from 1996 when interest expense increased 7.6% from 1995. This
increase in interest expense is due primarily to an increase in deposits and
borrowed funds volume.




                                       21
<PAGE>   24
PROVISION FOR LOAN LOSS

The provision for loan losses was $660,000 in 1997 compared with $1,020,000 in
1996 and $1,560,000 in 1995. These provisions are the result of management's
evaluation of the quality of the loan portfolio considering such factors as loan
status, collateral values, financial condition of the borrower, the state of the
economy and other relevant information.

     The allowance for loan losses was $4,446,000 at December 31, 1997 compared
with $4,179,000 at December 31, 1996 and $4,193,000 at December 31, 1995.
Expressed as a percentage of outstanding loans at year-end, the allowance was
1.41% in 1997, 1.45% in 1996 and 1.47% in 1995.

     Management believes that the allowance for loan losses is adequate.
Management uses available information to provide for losses but recognizes that
changes in economic conditions may result in additional losses and additional
loss provisions. Also, the allowance is reviewed in conjunction with regulatory
examinations. These reviews may require the Company to make additional
provisions to the allowance based on judgements made by the regulators.

     The Company experienced a decrease in net charge-offs in 1997 with net
charge-offs as a percent of average loans outstanding at 0.13%. The comparable
figures for 1996 and 1995 were 0.37% and 0.57% respectively. Non-performing
loans, which include all non-accruing loans and certain restructured, accruing
loans, totaled $2,731,000 on December 31, 1997, compared with $3,304,000 on
December 31, 1996.

OTHER OPERATING INCOME

The Company continued to experience good results in its fee-based services in
1997. These fee-based services include deposit related services, lock-box
processing, mortgage origination services and securities brokerage services.

     Total other operating income in 1997, was $4,994,000 an increase of
$233,000 or 4.9% compared to 1996. This increase followed an increase of $39,000
or 0.8% in 1996, compared to 1995. Service charge income, which continues to be
the largest area of other operating income with $1,791,000 in 1997, saw an
increase of $164,000 in 1997 as more customers paid demand deposit fees.
Lock-box revenues totaled $1,467,000 up $187,000 in 1997, primarily as a result
of an increase in the lock-box customer base. Brokerage commissions increased
slightly to $1,171,000 in 1997 from $1,072,000 in 1996, which, saw an increase
of $45,000 from 1995. Gain on sale of loans decreased to $136,000 in 1997 from
$290,000 in 1996 and $217,000 in 1995. There were no security transactions in
1997, 1996 and 1995.

OPERATING EXPENSES

Total operating expenses excluding other real estate owned (OREO) expenses and
writedowns were $18,578,000 in 1997 compared to $17,894,000 in 1996 and
$18,007,000 in 1995. Total OREO expenses were $22,000 in 1997, $(20,000) in 1996
and $217,000 in 1995. At year-end the Company had $0 of OREO compared with
$182,000 at December 31, 1996.

     Salaries and employee benefits expenses increased by $379,000 or 3.2% in
1997 after increasing 3.0% in 1996. Nearly all of the increase, for 1997 and
1996, was in the salaries category and was caused by an increase in the wage
base.

     Occupancy expense decreased by $50,000 or 3.8% in 1997 primarily because of
an increase in tenant rents. Occupancy expense decreased by 6.4% in 1996
primarily because of a decrease in building depreciation. Equipment expense
increased by $5,000 in 1997 primarily because of increased equipment
depreciation. Equipment expense increased by $54,000 in 1996 also because of
increased equipment depreciation.

     Other operating expenses increased by $350,000 in 1997, which followed a
$423,000 decrease in 1996. In 1997 increases were primarily the result of
increased marketing, FDIC insurance and other operating expenses. In 1996
decreases in FDIC insurance expense and legal expense were offset by increased
marketing and amortization of the core deposit intangible associated with a
prior branch acquisition.




                                       22
<PAGE>   25
PROVISION FOR INCOME TAXES

Income tax expense was $4,205,000 in 1997, $3,405,000 in 1996 and $1,666,000 in
1995. The relatively low tax expense for 1995 is a result of reductions in the
valuation reserve for deferred income taxes. The effective tax rate was 38.1% in
1997, 38.5% in 1996 and 26.7% in 1995.

MARKET RISK AND ASSET LIABILITY MANAGEMENT

Market risk is the risk of loss from adverse changes in market prices and rates.
The Company's market risk arises primarily from interest rate risk inherent in
its lending and deposit taking activities. To that end, management actively
monitors and manages its interest rate risk exposure.

     The Company's profitability is affected by fluctuations in interest rates.
A sudden and substantial increase in interest rates may adversely impact the
Company's earnings to the extent that the interest rates borne by assets and
liabilities do not change at the same speed, to the same extent, or on the same
basis. The Company monitors the impact of changes in interest on its net
interest income using several tools. One measure of the Company's exposure to
differential changes in interest rates between assets and liabilities is shown
in the Company's gap table shown below. Another measure is an interest rate risk
management test. This test measures the impact on net interest income of an
immediate change in interest rates in 100 basis point increments.

<TABLE>
<CAPTION>
            --------------------------------------------------------------------------------------------
            Change in Interest Rates (in Basis Points)      Percentage Change in Net Interest Income (1)
            --------------------------------------------------------------------------------------------
<S>                                                         <C>
                               +200                                             5.1%
                               +100                                             2.5%
                               -100                                            (2.0%)
                               -200                                            (3.8%)
</TABLE>

     (1) The percentage change in this column represents net interest income for
12 months in a stable interest rate environment versus the Net Interest Income
in the various rate scenarios.

     The Company's primary objective in managing interest rate risk is to
minimize the adverse impact of changes in interest rates on the Company's net
interest income and capital, while structuring the Company's asset-liability
structure to obtain the maximum yield-cost spread on that structure. The Company
relies primarily on its asset-liability structure to control interest rate risk.

     The Company manages the mix, maturity and pricing of its assets and
liabilities so that changes in interest rates will not impact earnings
adversely. The interest rate gap is used to measure the Company's exposure. At
December 31, 1997 the gap was:

<TABLE>
<CAPTION>
                  ------------------------------------------------------------------------------------
                  Subject to Interest Rate Changes Within     Three Months      Three to Twelve Months
                  ------------------------------------------------------------------------------------
                  (in thousands)
<S>                                                           <C>               <C>
                  Assets                                         $ 215,380                   $  83,530
                  Liabilities                                      253,991                     107,751
                  ------------------------------------------------------------------------------------
                  Gap                                            $ (38,611)                  $ (24,221)
                  ====================================================================================
</TABLE>

LIQUIDITY

Liquidity is provided by maintaining an adequate level of liquid assets that
include cash and due from banks, federal funds sold and other temporary
investments. Liquid assets totaled $97,892,000 on December 31, 1997 compared
with $67,681,000 on December 31, 1996, and $51,114,000 on December 31, 1995. In
each of the three years deposit activity has generally been adequate to support
asset activity.

     The source of funds for dividends paid by the Company is dividends received
from the Bank. The Company and the Bank are regulated enterprises and their
abilities to pay dividends are subject to regulatory review and restriction.
Certain regulatory and statutory restrictions exist regarding dividends, loans
and advances from the Bank to the Company. Generally, the Bank has the ability
to pay dividends to the Company subject to minimum regulatory capital
requirements.




                                       23
<PAGE>   26
CAPITAL ADEQUACY

Total stockholders' equity was $53,857,000 at December 31, 1997, compared with
$47,489,000 at December 31, 1996 and $42,935,000 at December 31, 1995. The
increases in all years reported were primarily the result of retained earnings
less dividends paid, although there was a $123,000 increase in 1997, a $133,000
increase in 1996 and a $6,000 increase in 1995 from the execution of certain
stock options.

     Federal banking regulators have issued risk-based capital guidelines which
assign risk factors to asset categories and off-balance sheet items. The current
guidelines require a tier-1 capital-to-risk assets ratio of 4.00% and a total
capital-to-risk assets ratio of 8.00%. The Company and the Bank exceeded these
requirements with a tier-1 capital-to-risk assets ratio of 15.51% and 13.38%
respectively, and total capital-to-risk assets ratio of 16.76% and 14.64%,
respectively at December 31, 1997. Additionally, federal banking regulators have
issued leverage ratio guidelines which supplement the risk-based capital
guidelines. The minimum leverage ratio requirement applicable to the Company is
4.00% and at December 31, 1997, the Company and the Bank exceeded this
requirement with leverage ratios of 9.09% and 7.85%, respectively.

RECENT ACCOUNTING DEVELOPMENTS

     In June 1997, the FASB issued SFAS No. 130, "Reporting Comprehensive
Income." SFAS No. 130 establishes standards for reporting and displaying
comprehensive income, which is defined as all changes to equity except
investments by and distributions to shareholders. Net income is a component of
comprehensive income, with all other components referred to in the aggregate as
other comprehensive income. This statement is effective for 1998 financial
statements.

     Also in June 1997, the FASB issued SFAS No. 131, "Disclosures about
Segments of an Enterprise and Related Information," which establishes standards
for reporting information about operating segments. An operating segment is
defined as a components of a business for which separate financial information
is available that is evaluated regularly by the chief operating decision maker
in deciding how to allocate resources and evaluate performance.

     This statement requires a company to disclose certain income statement and
balance sheet information by operating segment, as well as provide a
reconciliation of operating segment information to the company's consolidated
balances. This statement is effective for 1998 annual financial statements.



                                       24
<PAGE>   27
                                                     CONSOLIDATED BALANCE SHEETS


<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
December 31,                                                                                   1997          1996
- -----------------------------------------------------------------------------------------------------------------
(dollars in thousands except share data)
<S>                                                                                       <C>           <C>
ASSETS

   Cash and due from banks (note 2)                                                       $  46,868     $  46,681
   Federal funds sold and interest-bearing deposits in other banks                           51,024        21,000
                                                                                          -----------------------
       Total cash and cash equivalents                                                       97,892        67,681

   Securities available-for-sale, amortized cost $89,004,000 in 1997
     and $81,140,000 in 1996 (note 3)                                                        89,190        81,015
   Securities held-to-maturity, market value $109,454,000 in 1997
     and $107,331,000 in 1996 (notes 4 and 10)                                              109,239       107,715

   Loans, net (note 5)                                                                      316,390       288,280
   Less: allowance for loan losses (note 6)                                                   4,446         4,179
                                                                                          -----------------------
       Net loans                                                                            311,944       284,101

   Bank premises and equipment (note 7)                                                       8,718         8,265
   Accrued interest receivable                                                                4,334         4,283
   Other real estate owned, net of allowance for losses (note 8)                                 --           182
   Other assets (note 13)                                                                     9,808         7,615
                                                                                          -----------------------
       Total assets                                                                       $ 631,125     $ 560,857
                                                                                          =======================
LIABILITIES AND STOCKHOLDERS' EQUITY
   Demand deposits                                                                        $ 123,301     $ 111,704
   Savings and NOW deposits                                                                 149,808       129,792
   Money market accounts                                                                     71,061        69,772
   Time deposits (note 9)                                                                   171,279       164,867
                                                                                          -----------------------
       Total deposits                                                                       515,449       476,135

   Securities sold under agreements to repurchase (note 10)                                  32,850        17,790
   Other borrowed funds (note 11)                                                            13,474        12,353
   Other liabilities                                                                         15,495         7,090
                                                                                          -----------------------
       Total liabilities                                                                    577,268       513,368
   Commitments and contingencies (notes 7, 15 and 16)

   Stockholders' equity (note 12):
     Class A common stock,
       $1.00 par value per share; authorized 10,000,000 shares;
         issued 3,541,447 shares in 1997 and 3,488,297 in 1996                                3,541         3,488
     Class B common stock,
       $1.00 par value per share; authorized 5,000,000 shares;
         issued 2,326,520 shares in 1997 and 2,347,720 in 1996                                2,327         2,348
     Additional paid-in-capital                                                              10,877        10,786
     Retained earnings                                                                       37,180        31,117
     Treasury stock, Class A, 30,000 shares in 1997 and 1996, at cost                          (136)         (136)
     Treasury stock, Class B, 47,550 shares in 1997 and 1996, at cost                           (41)          (41)
                                                                                          -----------------------
       Realized stockholders' equity                                                         53,748        47,562
     Unrealized gains (losses) on securities available-for-sale, net of taxes (note 3)          109           (73)
                                                                                          -----------------------
       Total stockholders' equity                                                            53,857        47,489
                                                                                          -----------------------
         Total liabilities and stockholders' equity                                       $ 631,125     $ 560,857
                                                                                          =======================
</TABLE>

See accompanying Notes to Consolidated Financial Statements.


                                       25
<PAGE>   28
CONSOLIDATED STATEMENTS OF INCOME


<TABLE>
<CAPTION>
      ----------------------------------------------------------------------------------------------------------------
      Year Ended December 31,                                                      1997           1996            1995
      ----------------------------------------------------------------------------------------------------------------
      (dollars in thousands except share data)
<S>                                                                         <C>            <C>             <C>
      INTEREST INCOME

         Loans                                                              $    28,353    $    26,291     $    26,326
         Securities held-to-maturity                                              7,049          6,016           3,660
         Securities available-for-sale                                            5,107          5,661           4,278
         Federal funds sold and interest-bearing deposits in other banks            707            809           1,724
                                                                            ------------------------------------------
           Total interest income                                                 41,216         38,777          35,988

      INTEREST EXPENSE

         Savings and NOW deposits                                                 3,994          3,806           3,903
         Money market accounts                                                    1,888          2,084           2,487
         Time deposits (note 9)                                                   8,474          9,020           7,612
         Securities sold under agreements to repurchase                           1,075            713             632
         Other borrowed funds                                                       491            182              52
                                                                            ------------------------------------------
           Total interest expense                                                15,922         15,805          14,686
                                                                            ------------------------------------------
             Net interest income                                                 25,294         22,972          21,302

      Provision for loan losses (note 6)                                            660          1,020           1,560
                                                                            ------------------------------------------
             Net interest income after provision for loan losses                 24,634         21,952          19,742

      OTHER OPERATING INCOME

         Service charges on deposit accounts                                      1,791          1,627           1,559
         Lockbox fees                                                             1,467          1,280           1,421
         Brokerage commissions                                                    1,171          1,072           1,027
         Gain on sales of loans                                                     136            290             217
         Other income                                                               429            492             498
                                                                            ------------------------------------------
           Total other operating income                                           4,994          4,761           4,722

      OPERATING EXPENSES

         Salaries and employee benefits (note 14)                                12,120         11,741          11,394
         Occupancy                                                                1,272          1,322           1,413
         Equipment                                                                1,140          1,135           1,081
         Other real estate owned                                                     22            (20)            217
         Other (note 17)                                                          4,046          3,696           4,119
                                                                            ------------------------------------------
           Total operating expenses                                              18,600         17,874          18,224
                                                                            ------------------------------------------

             Income before income taxes                                          11,028          8,839           6,240
      Provision for income taxes (note 13)                                        4,205          3,405           1,666
                                                                            ------------------------------------------

             NET INCOME                                                     $     6,823    $     5,434     $     4,574
                                                                            ==========================================

      SHARE DATA (NOTE 12)

         Weighted average number of shares outstanding, basic                 5,772,135      5,736,230       5,722,646
         Weighted average number of shares outstanding, diluted               5,830,910      5,818,942       5,831,042
         Net income per share, basic                                        $      1.18    $      0.95     $      0.80
         Net income per share, diluted                                      $      1.17    $      0.93     $      0.78
</TABLE>

      See accompanying Notes to Consolidated Financial Statements.



                                       26
<PAGE>   29
                      CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY


<TABLE>
<CAPTION>
                                                                                                                     Unrealized
                                                                                                                 Gains (losses)
                                                                                                                  on Securities
                                           Class A   Class B    Additional               Treasury    Treasury        available-
                                            Common    Common       Paid-In   Retained       Stock       Stock         for-sale,
                                             Stock     Stock       Capital   Earnings     Class A     Class B      net of taxes
- --------------------------------------------------------------------------------------------------------------------------------
<S>                                        <C>       <C>        <C>          <C>         <C>         <C>         <C>
(dollars in thousands except share data)

BALANCE, DECEMBER 31, 1994                  $3,312    $2,488       $10,683    $22,142       $(136)       $(41)           $ (895)

Conversion of Class B common
     stock to Class A common
     stock, 91,698 shares                       92       (92)           --         --          --          --                --
Stock options exercised,
     1,667 shares                                2        --             4         --          --          --                --
Net income                                      --        --            --      4,574          --          --                --
Cash dividends, Class A common
     stock $0.12 per share                      --        --            --       (397)         --          --                --
Cash dividends, Class B common
     stock $0.0168 per share                    --        --            --        (41)         --          --                --
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                               --        --            --         --          --          --             1,240
                                           -------------------------------------------------------------------------------------
BALANCE, DECEMBER 31, 1995                   3,406     2,396        10,687     26,278        (136)        (41)              345

Conversion of Class B common
     stock to Class A common
     stock, 48,200 shares                       48       (48)           --         --          --          --                --
Stock options exercised,
     34,350 shares                              34        --            99         --          --          --                --
Net income                                      --        --            --      5,434          --          --                --
Cash dividends, Class A common
     stock $0.16 per share                      --        --            --       (543)         --          --                --
Cash dividends, Class B common
     stock $0.0224 per share                    --        --            --        (52)         --          --                --
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                               --        --            --         --          --          --              (418)
                                           -------------------------------------------------------------------------------------
BALANCE, DECEMBER 31, 1996                   3,488     2,348        10,786     31,117        (136)        (41)              (73)

Conversion of Class B common
     stock to Class A common
     stock, 21,200 shares                       21       (21)           --         --          --          --                --
Stock options exercised,
     31,950 shares                              32        --            91         --          --          --                --
Net income                                      --        --            --      6,823          --          --                --
Cash dividends, Class A common
     stock $0.20 per share                      --        --            --       (696)         --          --                --
Cash dividends, Class B common
     stock $0.028 per share                     --        --            --        (64)         --          --                --
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                               --        --            --         --          --          --               182
                                           -------------------------------------------------------------------------------------
BALANCE, DECEMBER 31, 1997                  $3,541    $2,327       $10,877    $37,180       $(136)       $(41)           $  109
                                           =====================================================================================
</TABLE>

<TABLE>
<CAPTION>
                                                   Total
                                           Stockholders'
                                                  Equity
- --------------------------------------------------------
<S>                                        <C>
(dollars in thousands except share data)

BALANCE, DECEMBER 31, 1994                       $37,553

Conversion of Class B common
     stock to Class A common
     stock, 91,698 shares                             --
Stock options exercised,
     1,667 shares                                      6
Net income                                         4,574
Cash dividends, Class A common
     stock $0.12 per share                          (397)
Cash dividends, Class B common
     stock $0.0168 per share                         (41)
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                                  1,240
                                           -------------
BALANCE, DECEMBER 31, 1995                        42,935

Conversion of Class B common
     stock to Class A common
     stock, 48,200 shares                             --
Stock options exercised,
     34,350 shares                                   133
Net income                                         5,434
Cash dividends, Class A common
     stock $0.16 per share                          (543)
Cash dividends, Class B common
     stock $0.0224 per share                         (52)
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                                   (418)
                                           -------------
BALANCE, DECEMBER 31, 1996                        47,489

Conversion of Class B common
     stock to Class A common
     stock, 21,200 shares                             --
Stock options exercised,
     31,950 shares                                   123
Net income                                         6,823
Cash dividends, Class A common
     stock $0.20 per share                          (696)
Cash dividends, Class B common
     stock $0.028 per share                          (64)
Change in unrealized gains (losses)
     on securities available-for-sale,
     net of taxes                                    182
                                           -------------
BALANCE, DECEMBER 31, 1997                       $53,857
                                           =============
</TABLE>


See accompanying Notes to Consolidated Financial Statements.



                                       27
<PAGE>   30
CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
      ---------------------------------------------------------------------------------------------------------
      Year Ended December 31,                                                    1997         1996         1995
      ---------------------------------------------------------------------------------------------------------
      (in thousands)
<S>                                                                          <C>          <C>          <C>
      CASH FLOWS FROM OPERATING ACTIVITIES:
           Net income                                                        $  6,823     $  5,434     $  4,574
           Adjustments to reconcile net income to net cash
             provided by operating activities:
               Provision for loan losses                                          660        1,020        1,560
               Deferred income taxes                                             (710)        (616)         (82)
               Net depreciation and amortization                                  586          668          548
               (Increase) decrease in accrued interest receivable                 (51)           9       (1,001)
               (Increase) decrease in other assets                             (1,818)          72        1,382
               Loans originated for sale                                       (9,442)     (18,033)     (16,407)
               Proceeds from sales of loans                                    10,507       19,317       16,025
               Gain on sales of loans                                            (137)        (290)        (226)
               Loss (gain) on sales of other real estate owned                      1          (82)         (27)
               Provision for losses on other real estate owned                     --           --           70
               Increase (decrease) in other liabilities                         8,405          189         (690)
                                                                             ----------------------------------
                 Net cash provided by operating activities                     14,824        7,688        5,726

      CASH FLOWS FROM INVESTING ACTIVITIES:
           Proceeds from maturities of securities available-for-sale           30,235       49,193       27,860
           Purchase of securities available-for-sale                          (37,934)     (29,999)     (56,543)
           Proceeds from maturities of securities held-to-maturity             39,013       53,946       38,447
           Purchase of securities held-to-maturity                            (40,418)     (83,675)     (68,575)
           Net cash and cash equivalents received from acquisitions                --           --       17,877
           Net increase in loans                                              (29,400)      (4,823)     (13,618)
           Proceeds from sales of other real estate owned                         566        1,121        2,744
           Capital expenditures                                                (1,533)        (608)      (1,416)
                                                                             ----------------------------------
                 Net cash used in investing activities                        (39,471)     (14,845)     (53,224)

      CASH FLOWS FROM FINANCING ACTIVITIES:
           Net increase in time deposit accounts                                6,412        9,849       17,658
           Net increase in demand, savings,
             money market and NOW deposits                                     32,902        7,671       11,499
           Net proceeds from the issuance of common stock                         123          133            6
           Cash Dividends                                                        (760)        (595)        (438)
           Net increase (decrease) in securities sold
             under agreements to repurchase                                    15,060       (3,790)      11,780
           Net increase in other borrowed funds                                 1,121       10,456          963
                                                                             ----------------------------------
                 Net cash provided by financing activities                     54,858       23,724       41,468
                                                                             ----------------------------------

      Net increase (decrease) in cash and cash equivalents                     30,211       16,567       (6,030)
           Cash and cash equivalents at beginning of year                      67,681       51,114       57,144
                                                                             ----------------------------------
           Cash and cash equivalents at end of year                          $ 97,892     $ 67,681     $ 51,114
                                                                             ==================================

      SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
           Cash paid during the year for:
             Interest                                                        $ 14,800     $ 16,170     $ 13,884
             Income taxes                                                       4,784        3,644        1,512
           Noncash transactions:
             Property acquired through foreclosure                           $    385     $    376     $    440
           Change in unrealized gains (losses)
             on securities available-for-sale, net of taxes                  $    182     $   (418)    $  1,240
           Assets acquired and liabilities assumed through acquisitions:
               Assets acquired, net of cash and cash equivalents received          --           --     $  2,040
               Cash and cash equivalents received                                  --           --       17,877
               Liabilities assumed                                                 --           --       19,917
</TABLE>

      See accompanying Notes to Consolidated Financial Statements.



                                       28
<PAGE>   31
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The consolidated financial statements include the accounts of Century Bancorp,
Inc. (the "Company") and its wholly-owned subsidiary, Century Bank and Trust
Company (the "Bank"). The Company provides a full range of banking services to
individual, business and municipal customers in Massachusetts. As a bank holding
company, the Company is subject to the regulation and supervision of the Federal
Reserve Board. The Bank, a state chartered financial institution, is subject to
supervision and regulation by applicable state and federal banking agencies,
including the Federal Reserve Board, the Office of the Comptroller of the
Currency (the "Comptroller"), the Federal Deposit Insurance Corporation (the
"FDIC") and the Commonwealth of Massachusetts Commissioner of Banks. The Bank is
also subject to various requirements and restrictions under federal and state
law, including requirements to maintain reserves against deposits, restrictions
on the types and amounts of loans that may be granted and the interest that may
be charged thereon, and limitations on the types of investments that may be made
and the types of services that may be offered. Various consumer laws and
regulations also affect the operations of the Bank. In addition to the impact of
regulation, commercial banks are affected significantly by the actions of the
Federal Reserve Board as it attempts to control the money supply and credit
availability in order to influence the economy. All aspects of the Company's
business are highly competitive. The Company faces aggressive competition from
other lending institutions and from numerous other providers of financial
services.

BASIS OF FINANCIAL STATEMENT PRESENTATION

The financial statements have been prepared in conformity with generally
accepted accounting principles and to general practices within the banking
industry. In preparing the financial statements, management is required to make
estimates and assumptions that affect the reported amounts of assets and
liabilities as of the date of the balance sheet and revenues and expenses for
the period. Actual results could differ from those estimates.

     Material estimates that are susceptible to change in the near-term relate
to the allowance for losses on loans. Management believes that the allowance for
losses on loans is adequate based on independent appraisals and review of other
factors associated with the assets. While management uses available information
to recognize losses on loans, future additions to the allowance for loans may be
necessary based on changes in economic conditions. In addition, regulatory
agencies periodically review the Company's allowance for losses on loans. Such
agencies may require the Company to recognize additions to the allowance for
loans based on their judgements about information available to them at the time
of their examination.

INVESTMENT SECURITIES

Debt securities that the Company has the positive intent and ability to hold to
maturity are classified as held-to-maturity and reported at amortized cost; debt
and equity securities that are bought and held principally for the purpose of
selling are classified as trading and reported at fair value, with unrealized
gains and losses included in earnings; and debt and equity securities not
classified as either held-to-maturity or trading are classified as
available-for-sale and reported at fair value, with unrealized gains and losses
excluded from earnings and reported as a separate component of stockholders'
equity, net of estimated related income taxes. The Company has no securities
held for trading.

     Premiums and discounts on investment securities are amortized or accreted
into income by use of the level-yield method. If a decline in fair value below
the amortized cost basis of an investment is judged to be other than temporary,
the cost basis of the investment is written down to fair value. The amount of
the writedown is included as a charge to earnings. Gains and losses on the sale
of investment securities are recognized at the time of sale on a specific
identification basis.

LOANS

Interest on loans is recognized based on the daily principal amount outstanding.
Accrual of interest is discontinued when loans become 90 days delinquent unless
the collateral is sufficient to cover both principal and interest and the loan
is in the process of collection. Loans, including impaired loans, on which the
accrual of interest has been discontinued are designated non-accrual loans. When
a loan is placed on non-accrual, all income which has been accrued but remains
unpaid is reversed against current period income and all amortization of
deferred loan fees is discontinued. Non-accrual loans may be returned to an
accrual status when principal and interest payments are not delinquent and the
risk characteristics of the loan have improved to the extent that there no
longer exists a concern as to the collectibility of principal and income. Income
received on non-accrual loans is either recorded in income or applied to the
principal balance of the loan depending on management's evaluation as to the
collectibility of principal.




                                       29
<PAGE>   32
     Loans held for sale are carried at the lower of aggregate cost or market
value. Gain or loss on sales of loans is recognized at the time of sale when the
sales proceeds exceed or are less than the Bank's investment in the loans.
Additionally, gains and losses are recognized when the average interest rate on
the loans sold, adjusted for normal servicing fee, differs from the agreed yield
to the buyer. The resulting excess service fee receivables, if any, are
amortized using the interest method over the estimated life of the loans,
adjusted for estimated prepayments.

     Discounts and premiums on loans purchased from failed financial
institutions that represent market yield adjustments are accreted or amortized
to interest income over the estimated lives of the loans using the level-yield
method.

     Loan origination fees and related direct incremental loan origination costs
are offset and the resulting net amount is deferred and amortized over the life
of the related loans using the level-yield method.

     The Bank accounts for impaired loans, except those loans that are accounted
for at fair value or at lower of cost or fair value, at the present value of the
expected future cash flows discounted at the loan's effective interest rate.
This method applies to all loans, uncollateralized as well as collateralized,
except large groups of smaller-balance homogeneous loans that are collectively
evaluated for impairment, loans that are measured at fair value and leases and
debt securities. Management considers the payment status, net worth and earnings
potential of the borrower, and the value and cash flow of the collateral as
factors to determine if a loan will be paid in accordance with its contractual
terms. Management does not set any minimum delay of payments as a factor in
reviewing for impaired classification. Impaired loans are charged-off when
management believes that the collectibility of the loan's principal is remote.
In addition, criteria for classification of a loan as in-substance foreclosure
has been modified so that such classification need be made only when a lender is
in possession of the collateral. The Bank measures the impairment of troubled
debt restructurings using the pre-modification rate of interest.

     The Bank recognizes the rights to service mortgage loans for others as an
asset, including rights acquired through both purchases and originations.
Capitalized mortgage servicing rights are amortized over the period of estimated
net servicing income and are periodically evaluated for impairment based on
their fair value.

     Effective January 1, 1997, the Bank adopted SFAS No. 125, "Accounting for
Transfers and Servicing of Financial Assets and Extinguishments of Liabilities."
This statement provides accounting and reporting standards for transfers and
servicing of financial assets and extinguishments of liabilities based on
consistent application of a financial-components approach that focuses on
control. It distinguishes transfers of financial assets that are sales from
transfers that are secured borrowings. Under the financial-components approach,
after a transfer of financial assets, an entity recognizes all financial and
servicing assets it controls and liabilities it has incurred and derecognizes
financial assets it no longer controls and liabilities that have been
extinguished. The financial-components approach focuses on the assets and
liabilities that exist after the transfer. Many of these assets and liabilities
are components of financial assets that existed prior to the transfer. If a
transfer does not meet the criteria for a sale, the transfer is accounted for as
a secured borrowing with a pledge of collateral. However, SFAS No. 127,
"Deferral of the Effective Date of Certain Provisions of SFAS No. 125," requires
the deferral of implementation as it relates to repurchase agreements,
dollar-rolls, securities lending and similar transactions until after December
31, 1997. Earlier or retroactive applications of this statement is not
permitted. The Company has determined that the adoption of SFAS No. 127 will not
have a material impact on its consolidated financial statements. The adoption of
SFAS No. 125 did not have a significant impact.

ALLOWANCE FOR LOAN LOSSES

The allowance for loan losses is based on management's evaluation of the quality
of the loan portfolio and is used to provide for losses resulting from loans
which ultimately prove uncollectible. In determining the level of the allowance,
periodic evaluations are made of the loan portfolio which take into account such
factors as the character of the loans, loan status, financial posture of the
borrowers, value of collateral securing the loans and other relevant information
sufficient to reach an informed judgement. The allowance is increased by
provisions charged to income and reduced by loan charge-offs, net of recoveries.




                                       30
<PAGE>   33
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


     While management uses available information in establishing the allowance
for loan losses, future adjustments to the allowance may be necessary if
economic conditions differ substantially from the assumptions used in making the
evaluations. Loans are charged-off in whole or in part when, in management's
opinion, collectibility is not probable.

     Management believes that the allowance for loan losses is adequate. In
addition, various regulatory agencies, as part of their examination process,
periodically review the Company's allowance for loan losses. Such agencies may
require the Company to recognize additions to the allowance based on their
judgements about information available to them at the time of their examination.

OTHER REAL ESTATE OWNED

Other real estate owned ("OREO") includes real estate acquired by foreclosure
and real estate substantively repossessed. Real estate acquired by foreclosure
is comprised of properties acquired through foreclosure proceedings or
acceptance of a deed in lieu of foreclosure. Real estate substantively
repossessed includes only those loans for which the Company has taken possession
of the collateral, but has not completed legal foreclosure proceedings. Both
in-substance foreclosures and real estate formally acquired in settlement of
loans are recorded at the lower of the carrying value of the loan or the fair
value of the property constructively or actually received. Loan losses from the
acquisition of such properties are charged against the allowance for loan
losses. After foreclosure, if the fair value of an asset minus its estimated
cost to sell is less than the carrying value of the asset, such amount is
recognized as a valuation allowance. If the fair value of an asset less its
estimated cost to sell subsequently increases so that the resulting amount is
more than the asset's current carrying value, the valuation allowance is
reversed by the amount of the increase. Increases or decreases in the valuation
allowance are charged or credited to income. Gains upon disposition of OREO are
reflected in the statement of income as realized. Realized losses are charged to
the valuation allowance.

BANK PREMISES AND EQUIPMENT

Bank premises and equipment are stated at cost less accumulated depreciation and
amortization. Depreciation is computed using the straight-line method over the
estimated useful lives of the assets or the terms of leases, if shorter. It is
general practice to charge the cost of maintenance and repairs to operations
when incurred; major expenditures for improvements are capitalized and
depreciated.

INCOME TAXES

The Company uses the asset and liability method of accounting for income taxes.
Under the asset and liability method, deferred tax assets and liabilities are
recognized for the future tax consequences attributable to differences between
the financial statement carrying amounts of existing assets and liabilities and
their respective tax bases. Deferred tax assets and liabilities are measured
using enacted tax rates expected to apply to taxable income in the years in
which temporary differences are expected to be recovered or settled. Under this
method, the effect on deferred tax assets and liabilities of a change in tax
rates is recognized in income in the period that includes the enactment date.

2. CASH AND DUE FROM BANKS

The Company is required to maintain a portion of its cash and due from banks as
a reserve balance under the Federal Reserve Act. Such reserve is calculated
based upon deposit levels and amounted to $471,000 at December 31, 1997 and
$10,768,000 at December 31, 1996.

3. SECURITIES AVAILABLE-FOR-SALE

<TABLE>
<CAPTION>
                                               December 31,1997                                  December 31,1996
                                -----------------------------------------------   -----------------------------------------------
                                                 Gross        Gross   Estimated                    Gross        Gross   Estimated
                                Amortized   Unrealized   Unrealized      Market   Amortized   Unrealized   Unrealized      Market
                                     Cost        Gains       Losses       Value        Cost        Gains       Losses       Value
- -------------------------------------------------------------------------------   -----------------------------------------------
(in thousands)
<S>                             <C>         <C>          <C>          <C>         <C>         <C>          <C>          <C>
U.S. Government and Agencies      $84,582         $237          $56     $84,763     $77,283          $93         $221     $77,155
Obligations of states
   and political subdivisions         750           --           --         750       1,241           --           --       1,241
FHLB Stock                          3,419           --           --       3,419       2,364           --           --       2,364
Other                                 253            5           --         258         252            3           --         255
                                -----------------------------------------------   -----------------------------------------------
                                  $89,004         $242          $56     $89,190     $81,140          $96         $221     $81,015
                                ===============================================   ===============================================
</TABLE>




                                       31
<PAGE>   34
The following tables show the maturity distribution of the Company's securities
available-for-sale at December 31, 1997 and 1996:

<TABLE>
<CAPTION>
                                                       December 31, 1997
                                  -----------------------------------------------------------
                                                   Obligations
                                          U.S.       of States                      Estimated
                                    Government   and Political                         Market
                                  and Agencies    Subdivisions    Other     Total       Value
- ---------------------------------------------------------------------------------------------
(in thousands)
<S>                               <C>            <C>             <C>      <C>       <C>
Within one year                        $29,460            $750   $   --   $30,210     $30,253
After one but within five years         54,122              --       --    54,122      54,251
After five but within ten years          1,000              --      250     1,250       1,259
Non-maturing                                --              --    3,422     3,422       3,427
                                  -----------------------------------------------------------
                                       $84,582            $750   $3,672   $89,004     $89,190
                                  ===========================================================
</TABLE>

<TABLE>
<CAPTION>
                                                       December 31, 1996
                                  -----------------------------------------------------------
                                                   Obligations
                                          U.S.       of States                      Estimated
                                    Government   and Political                         Market
                                  and Agencies    Subdivisions    Other     Total       Value
- ---------------------------------------------------------------------------------------------
(in thousands)
<S>                               <C>            <C>             <C>      <C>       <C>
Within one year                        $13,988          $1,241   $   --   $15,229     $15,254
After one but within five years         63,295              --       --    63,295      63,142
After five but within ten years             --              --      250       250         250
Non-maturing                                --              --    2,366     2,366       2,369
                                  -----------------------------------------------------------
                                       $77,283          $1,241   $2,616   $81,140     $81,015
                                  ===========================================================
</TABLE>



There were no sales of securities available-for-sale in 1997, 1996 and 1995.

4. SECURITIES HELD-TO-MATURITY

<TABLE>
<CAPTION>
                                                     December 31, 1997                         December 31, 1996
                               -----------------------------------------------   -----------------------------------------------
                                                Gross        Gross   Estimated                    Gross        Gross   Estimated
                               Amortized   Unrealized   Unrealized      Market   Amortized   Unrealized   Unrealized      Market
                                    Cost        Gains       Losses       Value        Cost        Gains       Losses       Value
- ------------------------------------------------------------------------------   -----------------------------------------------
(in thousands)
<S>                            <C>         <C>          <C>          <C>         <C>         <C>          <C>          <C>
U.S. Government and Agencies    $107,117         $347         $124    $107,340    $105,582         $211         $574    $105,219
Obligations of states
  and political subdivisions          22           --           --          22          34           --           --          34
Other                              2,100           --            8       2,092       2,099           --           21       2,078
                               -----------------------------------------------   -----------------------------------------------
                                $109,239         $347         $132    $109,454    $107,715         $211         $595    $107,331
                               ===============================================   ===============================================
</TABLE>

Included in U.S. Government and Agency securities are securities pledged to
secure public deposits and repurchase agreements amounting to $40,256,000 at
December 31, 1997 and $24,746,000 at December 31, 1996.

     The following tables show the maturity distribution of the Company's
securities held-to-maturity at December 31, 1997 and 1996:

<TABLE>
<CAPTION>
                                                        December 31, 1997
                                  ------------------------------------------------------------
                                                   Obligations
                                          U.S.       of States                       Estimated
                                    Government   and Political                          Market
                                  and Agencies    Subdivisions    Other      Total       Value
- ----------------------------------------------------------------------------------------------
(in thousands)
<S>                               <C>            <C>             <C>      <C>        <C>
Within one year                       $  9,970             $11   $2,025   $ 12,006    $ 12,009
After one but within five years         79,191              11       50     79,252      79,439
After five but within ten years         16,956              --       25     16,981      17,007
More than ten years                      1,000              --       --      1,000         999
                                  ------------------------------------------------------------
                                      $107,117             $22   $2,100   $109,239    $109,454
                                  ============================================================
</TABLE>

<TABLE>
<CAPTION>
                                                        December 31, 1996
                                  ------------------------------------------------------------
                                                   Obligations
                                          U.S.       of States                       Estimated
                                    Government   and Political                          Market
                                  and Agencies    Subdivisions    Other      Total       Value
- ----------------------------------------------------------------------------------------------
(in thousands)
<S>                               <C>            <C>             <C>      <C>        <C>
Within one year                       $  2,511             $11   $    2   $  2,524    $  2,516
After one but within five years         83,636              23    2,072     85,731      85,562
After five but within ten years         18,935              --       25     18,960      18,759
More than ten years                        500              --       --        500         494
                                  ------------------------------------------------------------
                                      $105,582             $34   $2,099   $107,715    $107,331
                                  ============================================================
</TABLE>


     There were no sales of securities held-to-maturity in 1997, 1996 or 1995.

5. LOANS

The Company's lending activities are conducted principally in Massachusetts. The
Company grants single and multi-family residential loans, commercial and
commercial real estate loans, and a variety of consumer loans. To a lesser
extent, the Company grants loans for the construction of residential homes,
multi-family properties, commercial real estate properties, and land
development. Most loans granted by the Company are secured by real estate
collateral. The ability and willingness of commercial real estate, commercial,
construction, residential and consumer loan borrowers to honor their repayment
commitments is generally dependent on the health of the real estate market in
the borrowers' geographic areas and the general economy.




                                       32
<PAGE>   35
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


   The composition of the loan portfolio at December 31, 1997 and 1996 is as
follows:

<TABLE>
<CAPTION>
                                                            1997            1996
- --------------------------------------------------------------------------------
(in thousands)
<S>                                                     <C>             <C>
Construction and land development                       $  7,549        $  3,576
Commercial and industrial                                 50,560          41,006
Industrial revenue bonds                                   2,693           3,030
Commercial real estate                                   140,270         133,757
Residential real estate                                   76,160          76,081
Residential real estate held for sale                        225             557
Consumer                                                  19,254          12,749
Home equity                                               19,031          17,330
Overdrafts                                                   648             194
                                                        ------------------------
                                                        $316,390        $288,280
                                                        ========================
</TABLE>

     At December 31, 1997 and 1996, loans were carried net of discounts of
$2,875,000 and $3,360,000 respectively. Included in these amounts at December
31, 1997 and 1996, residential real estate loans were carried net of discounts
of $2,847,000 and $3,319,000 respectively, associated with the acquisition of
Wollaston.

     The composition of non-accrual loans, impaired loans and troubled debt
restructuring agreements is as follows:

<TABLE>
<CAPTION>
                                                                1997        1996
- --------------------------------------------------------------------------------
(in thousands)
<S>                                                           <C>         <C>
Loans on non-accrual                                          $1,705      $2,140
  Impaired loans on non-accrual included above                 1,235       1,676

Troubled debt restructuring agreements                        $3,306      $2,543
  Impaired troubled debt restructuring
   agreements included above                                   2,280       1,377

Total recorded investment in impaired loans                   $3,515      $3,055
Average recorded value of impaired loans                      $3,157      $2,935

Loans 90 days past due and still accruing                     $    7      $  192

Interest income on non-accrual loans according to
  their original terms                                        $  202      $  270
Interest income on non-accrual loans
  actually recorded                                           $   84      $   98
Interest income recognized on impaired loans                  $  216      $  149
</TABLE>

     The composition of impaired loans at December 31, is as follows:

<TABLE>
<CAPTION>
                                                            1997            1996
- --------------------------------------------------------------------------------
<S>                                                       <C>             <C>
(in thousands)
Residential real estate:

  1 to 4 family                                           $  250          $  299
  Multi-family                                               771           1,201
Construction and land development                             --              --
Commercial real estate                                     2,323           1,248
Commercial and industrial                                    171             307
                                                          ----------------------
   Total                                                  $3,515          $3,055
Specific valuation allowance                                  --              --
                                                          ----------------------
   Total impaired loans                                   $3,515          $3,055
                                                          ======================
</TABLE>

     There were no impaired loans with specific reserves at December 31, 1997
and 1996 and in the opinion of management, none of the above listed impaired
loans required a specific reserve. All of the impaired loans listed above have
been measured using the fair value of the collateral method.

     The Company was servicing mortgage loans sold to others without recourse of
approximately $18,053,000 at December 31, 1997 and $20,359,000 at December 31,
1996. Additionally, the Company was servicing mortgage loans sold to others with
limited recourse. The outstanding balance of these loans with limited recourse
was approximately $753,000 at December 31, 1997 and $1,092,000 at December 31,
1996.

     Directors and officers of the Company and their associates are customers
of, and have other transactions with, the Company in the normal course of
business. All loans and commitments included in such transactions were made on
substantially the same terms, including interest rates and collateral, as those
prevailing at the time for comparable transactions with other persons and do not
involve more than normal risk of collection or present other unfavorable
features.




                                       33
<PAGE>   36
     The following table shows the aggregate amount of loans to directors and
officers of the Company and their associates during 1997.

<TABLE>
<CAPTION>
                         Balance at                  Repayments          Balance at
                  December 31, 1996   Additions   and Deletions   December 31, 1997
- -----------------------------------------------------------------------------------
(in thousands)

<S>               <C>                 <C>         <C>             <C>
                             $  928      $1,055          $  556              $1,427
                  -----------------------------------------------------------------
</TABLE>


6. ALLOWANCE FOR LOAN LOSSES

<TABLE>
<CAPTION>
                                                 1997             1996            1995
- --------------------------------------------------------------------------------------
(in thousands)
<S>                                            <C>             <C>             <C>
Balance at beginning of year                   $4,179          $ 4,193         $ 4,239
Provision charged to operating expense            660            1,020           1,560
Loans charged-off                                (689)          (1,303)         (1,828)
Loan recoveries                                   296              269             222
                                               ---------------------------------------
Balance at end of year                         $4,446          $ 4,179         $ 4,193
                                               =======================================
</TABLE>

7. BANK PREMISES AND EQUIPMENT

<TABLE>
<CAPTION>
December 31,                                                1997           1996
- --------------------------------------------------------------------------------
(in thousands)
<S>                                                     <C>            <C>
Land                                                    $  1,839       $  1,839
Bank premises                                              6,533          6,254
Furniture and equipment                                    9,468          8,261
Leasehold improvements                                     1,888          1,888
                                                        -----------------------
                                                          19,728         18,242
Accumulated depreciation and amortization                (11,010)        (9,977)
                                                        -----------------------
                                                        $  8,718       $  8,265
                                                        =======================
</TABLE>

The Company and its subsidiaries are obligated under a number of noncancelable
operating leases for premises and equipment expiring in various years through
the year 2026. Total lease expense approximated $85,000, $144,000 and $168,000
for the years ended December 31, 1997, 1996 and 1995, respectively.

     Future minimum rental commitments for noncancelable operating leases with
initial or remaining terms of one year or more at December 31, 1997 were as
follows:

<TABLE>
<CAPTION>
                                                      Year              Amount
- ------------------------------------------------------------------------------
(in thousands)
<S>                                             <C>                    <C>
                                                      1998             $    80
                                                      1999                  64
                                                      2000                  64
                                                      2001                  28
                                                      2002                  21
                                                Thereafter                 554
                                                ------------------------------
                                                                       $   811
                                                ==============================
</TABLE>


8. ALLOWANCE FOR LOSSES ON OTHER REAL ESTATE OWNED

<TABLE>
<CAPTION>
                                           1997             1996            1995
- --------------------------------------------------------------------------------
(in thousands)
<S>                                      <C>              <C>             <C>
Balance at beginning of year             $   19           $   60          $  238
Valuation writedowns                        (19)             (41)           (248)
Provision charged to expense                 --               --              70
                                         ---------------------------------------
Balance at end of year                   $   --           $   19          $   60
                                         =======================================
</TABLE>

9. DEPOSITS

      Time deposits as of December 31 are as follows:

<TABLE>
<CAPTION>
                                                        1997             1996
- -----------------------------------------------------------------------------
(in thousands)
<S>                                                 <C>              <C>
Three months or less                                $101,719         $ 60,569
Three through twelve months                           55,263           57,369
Over twelve months                                    14,297           46,929
                                                    -------------------------
                                                    $171,279         $164,867
                                                    =========================
</TABLE>

Time deposits in denominations of $100,000 or more totaled $63,214,000 and
$45,646,000 at December 31, 1997 and 1996, respectively. Interest expense
associated with deposits in denominations of $100,000 or more was $2,251,000,
$2,124,000 and $1,749,000 for the years ended 1997, 1996 and 1995, respectively.




                                       34
<PAGE>   37
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


10. SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE

<TABLE>
<CAPTION>
                                                   1997        1996        1995
- --------------------------------------------------------------------------------
(dollars in thousands)
<S>                                             <C>         <C>         <C>
Average rate at December 31,                       4.49%       4.34%       4.25%
Average balance outstanding during the year     $24,994     $16,654     $14,390
Average rate during the year                       4.30%       4.28%       4.39%
Maximum amount outstanding at any month-end     $39,060     $17,790     $21,580
Amount outstanding at December 31,              $32,850     $17,790     $21,580
</TABLE>

Amounts outstanding at December 31, 1997, 1996 and 1995 carried maturity dates
of the next business day. U.S. Government and Agency securities with a total
book value of $32,776,000, $17,762,000 and $21,497,000 were pledged as
collateral and held by custodians to secure the agreements at December 31, 1997,
1996 and 1995, respectively. The approximate market value of the collateral at
those dates was $32,814,000, $17,605,000 and $21,715,000, respectively.

11. OTHER BORROWED FUNDS

<TABLE>
<CAPTION>
December 31,                                          1997                1996
- ------------------------------------------------------------------------------
(in thousands)
<S>                                                <C>                 <C>
Treasury tax and loan note                         $   834             $   726
Federal Home Loan Bank - IDEAL Advance                  -               10,000
Federal Home Loan Bank - Advance                    11,454               1,489
Other                                                1,186                 138
                                                   ---------------------------
                                                   $13,474             $12,353
                                                   ===========================
</TABLE>

The Bank serves as a Treasury Tax and Loan depository under a note option with
the Federal Reserve Bank of Boston. This open-ended interest bearing borrowing
carries an interest rate equal to the daily Federal funds rate less 0.25%. The
Bank borrowed $10,000,000 from the Federal Home Loan Bank on December 31, 1997
as an overnight advance. The interest rate on this advance was 7.05%. The Bank
also borrowed $1,500,000 during 1996 from Federal Home Loan Bank. The borrowing
bears interest at a fixed rate of 7.20%, has a remaining principal balance of
$1,454,000 and matures on July 24, 2006.

12. STOCKHOLDERS' EQUITY

DIVIDENDS

Holders of the Class A common stock may not vote in the election of directors,
but may vote as a class to approve certain extraordinary corporate transactions.
Class A common stockholders are entitled to receive dividends per share equal to
at least 200% per share of that paid, if any, on each share of Class B common
stock. Class A common stock is publicly traded. Class B common stock is not
publicly traded, however, it can be converted on a share for share basis to
Class A common stock at any time. Dividend payments by the Company are dependent
in part on the dividends it receives from its bank subsidiary, which are subject
to certain regulatory restrictions.

EARNINGS PER SHARE

In February 1997, the FASB issued SFAS No. 128, "Earnings per Share," which is
effective for financial statements for both interim and annual periods ending
December 31, 1997. Primary EPS has been replaced with basic EPS and fully
diluted EPS has been replaced with diluted EPS. Diluted EPS includes the
dilutive effect of common stock equivalents; basic EPS excludes all common stock
equivalents. Diluted EPS is very similar to fully diluted EPS. The statement
also requires a reconciliation of basic EPS to diluted EPS. The only common
stock equivalents for the Company are the stock options discussed below. The
dilutive effect of these stock options for 1997, 1996 and 1995 was an increase
of 58,775, 82,712 and 108,396 shares, respectively.

STOCK OPTION PLAN

On March 10, 1987, the common stockholders of the Company approved a stock
option plan (the "Option Plan") that provides for granting of options for not
more than 150,000 shares of Class A common stock. Under the Option Plan, all
officers and other key employees of the Company are eligible to receive
non-qualified and incentive stock options to purchase shares of Class A common
stock. The Option Plan is administered by the Compensation Committee




                                       35
<PAGE>   38
whose members are ineligible to participate in the Option Plan. Based on
management's recommendations, the Committee submits its recommendations to the
Board of Directors as to persons to whom options are to be granted, the number
of shares to be granted to each, the option price (which may not be less than
85% of the fair market value for non-qualified stock options, or the fair market
value for incentive stock options, of the shares on the date of grant) and the
time period over which the options are exercisable (no more than ten years from
the date of grant). Options exercisable at December 31, 1997 totaled 78,533 with
a weighted average option price of $3.75.

     Information with regard to the stock option plan is as follows:

<TABLE>
<CAPTION>
                                           Number of            Weighted Average
                                       Option Shares      Option Price Per Share
- --------------------------------------------------------------------------------
<S>                                    <C>                <C>
Outstanding at December 31, 1994             146,500                       $3.80
Granted                                           --                          --
Exercised                                     (1,667)                       3.75
Cancelled                                         --                          --
- --------------------------------------------------------------------------------
Outstanding at December 31, 1995             144,833                        3.80
Granted                                           --                          --
Exercised                                    (34,350)                       3.89
Cancelled                                         --                          --
- --------------------------------------------------------------------------------
Outstanding at December 31, 1996             110,483                        3.78
Granted                                           --                          --
Exercised                                    (31,950)                       3.84
Cancelled                                         --                          --
- --------------------------------------------------------------------------------
Outstanding at December 31, 1997              78,533                       $3.75
================================================================================
</TABLE>

A summary of options by maturity is as follows:

<TABLE>
<CAPTION>
Expiring During the                    Number of                Weighted average
Year Ended December 31,                   Shares          Option Price Per Share
- --------------------------------------------------------------------------------
<S>                                    <C>                <C>
1998                                          --                              --
1999                                          --                              --
2000                                          --                              --
2001                                      78,533                         $  3.75
2002                                          --                              --
- --------------------------------------------------------------------------------
                                          78,533                         $  3.75
================================================================================
</TABLE>

The Company measures compensation cost for stock-based compensation plans using
the intrinsic value based method prescribed by Accounting Principles Board
Opinion No. 25. The Company granted no stock options during 1997, 1996 or 1995
and, therefore, no disclosures of proforma net income and earnings per share as
if the fair value method had been applied are required. The new disclosures will
be provided when additional stock options are granted.

CAPITAL AND OTHER REGULATORY REQUIREMENTS

The Bank is subject to various regulatory requirements administered by federal
banking agencies. Failure to meet minimum capital requirements can initiate
certain mandatory- and possibly additional discretionary-actions by regulators
that, if undertaken, could have a direct material affect on the Company's
financial statements. Under capital adequacy guidelines and regulatory framework
for prompt corrective action, the Bank must meet specific capital guidelines
that involve quantitative measures of the Bank's assets, liabilities, and
certain off-balance-sheet items as calculated under regulatory accounting
practices. The Bank's capital amounts and classification are also qualitative
judgments by the regulators about components, risk weightings, and other
factors.

     Quantitative measures established by regulation to ensure capital adequacy
require the Bank to maintain minimum amounts and ratios (set forth in the table
below) of total and Tier I capital (as defined in the regulations) to risk
weighted assets (as defined), and Tier I capital (as defined) to average assets
(as defined). Management believes, as of December 31, 1997 that the Bank meets
all capital adequacy requirements to which it is subject.

     As of December 31, 1997, the most recent notification from the FDIC
categorized the Bank as well capitalized under the regulatory framework for
prompt corrective action. To be categorized as well capitalized, the Bank must
maintain minimum total risk-based, Tier I risk-based, and Tier I leverage ratios
as set forth in the table. There are no conditions or events since that
notification that management believes would cause a change in the Bank's
categorization.




                                       36
<PAGE>   39
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


     The Bank's actual capital amounts and ratios are presented in the following
table.

<TABLE>
<CAPTION>
                                                                                                             To Be Well Capitalized
                                                                                                             Under Prompt Corrective
                                                         Actual              For Capital Adequacy Purposes      Action Provisions
- -----------------------------------------------------------------------------------------------------------------------------------
                                                  Amount           Ratio           Amount        Ratio         Amount         Ratio
- -----------------------------------------------------------------------------------------------------------------------------------
(dollars in thousands)
<S>                                              <C>              <C>             <C>            <C>          <C>             <C>
As of December 31, 1997:
  Total capital (to risk-weighted assets)        $49,735          14.64%          $27,179         8.0%        $33,974         10.0%
  Tier I capital (to risk-weighted assets)        45,474          13.38%           13,590         4.0%         20,384          6.0%
  Tier I capital (to average assets)              45,474           7.85%           22,670         4.0%         28,338          5.0%
As of December 31, 1996:
  Total capital (to risk-weighted assets)        $44,004          14.74%          $23,882         8.0%        $29,852         10.0%
  Tier I capital (to risk-weighted assets)        40,267          13.49%           11,941         4.0%         17,911          6.0%
  Tier I capital (to average assets)              40,267           7.46%           21,577         4.0%         26,971          5.0%
</TABLE>

     In February 1997, the FASB issued SFAS No. 129, "Disclosure of Information
about Capital Structure," which is effective for 1997 financial statements. The
Company's disclosures currently comply with the provisions of this statement.

13. INCOME TAXES

The current and deferred components of income tax expense for the years ended
December 31 are as follows:

<TABLE>
<CAPTION>
                                          1997             1996            1995
- --------------------------------------------------------------------------------
(in thousands)
<S>                                     <C>           <C>                <C>
Current expense:
  Federal                               $3,824        $   2,959          $1,302
  State                                  1,091            1,062             446
                                        ---------------------------------------
   Total current expense                 4,915            4,021           1,748
                                        =======================================
Deferred expense:
  Federal                                 (541)            (238)            716
  State                                   (169)             (78)            337
  Change in valuation reserve               --             (300)         (1,135)
                                        ---------------------------------------
   Total deferred expense                 (710)            (616)            (82)
                                        ---------------------------------------
Provision for income taxes              $4,205        $   3,405          $1,666
                                        =======================================
</TABLE>

Income tax accounts included in other assets and other liabilities at December
31 are as follows:

<TABLE>
<CAPTION>
                                                       1997                 1996
- --------------------------------------------------------------------------------
(in thousands)
<S>                                                  <C>                 <C>
Currently payable                                    $ (419)             $  (287)
Deferred income tax asset, net                        2,235                1,655
                                                     ---------------------------
                                                     $1,816              $ 1,368
                                                     ===========================
</TABLE>

Income tax expense for the years presented is different from the amounts
computed by applying the statutory Federal income tax rate of 34% to income
before Federal income taxes. The following tabulation reconciles Federal income
tax expense based on statutory rates to the actual income tax expense for the
years ended December 31:

<TABLE>
<CAPTION>
                                            1997            1996            1995
- --------------------------------------------------------------------------------
(in thousands)
<S>                                      <C>             <C>             <C>
Federal income tax expense
  at statutory rates                     $ 3,750         $ 3,005         $ 2,121
State income taxes, net of Federal
  income tax benefit                         608             649             517
Effect of tax-exempt interest               (102)           (105)           (132)
Change in valuation reserve                   --            (300)         (1,135)
Other                                        (51)            156             295
                                         ---------------------------------------
                                         $ 4,205         $ 3,405         $ 1,666
                                         =======================================
Effective Tax Rate                          38.1%           38.5%           26.7%
</TABLE>

Management believes that it is more likely than not that the net deferred income
tax asset of $2,235,000 at December 31, 1997 will be realized. The federal tax
portion of $1,622,000 of the deferred tax asset is supported by the availability
of federal income taxes paid in prior carryback years.

     The valuation reserve was reduced by $300,000 in 1996 in recognition of the
operating results achieved and the increase in recoverable federal income taxes
paid in prior years.




                                       37
<PAGE>   40
     The following table sets forth the Company's gross deferred income tax
assets and gross deferred income tax liabilities at December 31:

<TABLE>
<CAPTION>
                                                            1997           1996
- --------------------------------------------------------------------------------
(in thousands)
<S>                                                      <C>            <C>
Deferred income tax assets:
  Allowance for loan losses                              $ 1,055        $   722
  Other real estate owned writedowns                          --              8
  Deferred compensation                                    1,625          1,340
  Unrealized loss on securities available-for-sale            --             52
  Acquisition premium                                         95             50
  Other                                                       12             79
                                                         ----------------------
   Gross deferred income tax asset                         2,787          2,251
Deferred income tax liabilities:
  Unrealized gain on securities available-for-sale           (77)            --
  Purchase accounting                                       (297)          (388)
  Depreciation                                              (157)          (183)
  Other                                                      (21)           (25)
                                                         ----------------------
   Deferred income tax asset, net                        $ 2,235        $ 1,655
                                                         ======================
</TABLE>

14. EMPLOYEE BENEFITS

The Company's noncontributory defined benefit pension plan covers substantially
all full-time employees. Benefits are based on employee's years of service and
highest five year compensation. The plan is funded on a current basis, in
compliance with the requirements of the Employee Retirement Income Security Act.

<TABLE>
<CAPTION>
                                                      1997                1996
- ------------------------------------------------------------------------------
(dollars in thousands)
<S>                                                 <C>                <C>
Projected benefit obligation                        $6,319             $ 4,859
Plan assets at fair value                            4,171               3,341
                                                    --------------------------
Projected benefit obligation in
   excess of plan assets                            $2,148             $ 1,518
                                                    ==========================
</TABLE>

     The assumptions used in determining the projected benefits obligation were
as follows:

<TABLE>
<S>                                                   <C>                 <C>
Discount rate                                         7.00%               7.00%
Rate of increase in compensation levels               5.00%               5.00%
</TABLE>

Certain changes in the items shown are not recognized as they occur, but are
amortized over subsequent periods. Unrecognized amounts to be amortized and the
amounts included in the Consolidated Balance Sheets are as follows:

<TABLE>
<CAPTION>
December 31,                                          1997                1996
- ------------------------------------------------------------------------------
(in thousands)
<S>                                                 <C>                <C>
Unrecognized net loss                               $  987             $   200
Unrecognized past service costs                        722                 821
Transition obligation                                    3                   4
Accrued pension expense                                436                 493
                                                    --------------------------
Projected benefit obligation in
   excess of plan assets                            $2,148             $ 1,518
                                                    ==========================
</TABLE>

     The assumptions used and the components of net pension expense for the
years ended December 31, 1997, 1996 and 1995 include the following:

<TABLE>
<CAPTION>
Years Ended December 31,                                1997       1996       1995
- ----------------------------------------------------------------------------------
(dollars in thousands)
<S>                                                    <C>        <C>        <C>
Assumptions used
   Discount rate                                        7.00%      7.00%      8.00%
   Rate of increase in compensation levels              5.00%      5.00%      5.00%
   Expected long term rate of return on plan assets     8.00%      8.00%      8.00%

Net pension cost:
   Service cost; benefits earned during this period    $ 357      $ 318      $ 256
   Interest cost on projected benefit obligation         340        308        260
   Actual return on plan assets                         (354)      (208)      (181)
   Net amortization and deferral                         174        120        117
                                                       ---------------------------
Net periodic pension expense                           $ 517      $ 538      $ 452
                                                       ===========================
</TABLE>

     In 1996, the Company began offering a 401(k) defined contribution plan for
all employees reaching minimum age and service requirements. The plan is
voluntary with no matching contributions. Administrative costs associated with
the plan are absorbed by the Company.



                                       38
<PAGE>   41
                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


     The Company has a Supplemental Insurance/Retirement Plan which is limited
to certain officers and employees of the Company. The plan is voluntary and
participants are required to contribute to its cost. Under the plan, each
participant will receive a retirement benefit based on compensation and length
of service. Individual life insurance policies are purchased covering the life
of each participant. The Company is the owner of these policies and each
participating employee has received an assignment of a portion of each policy's
proceeds. The amount of pension liability recorded on the books of the Company
related to the supplemental retirement plan was $3.9 million and $3.2 million on
December 31, 1997 and 1996, respectively. The net cost to the Company for this
plan for the years ended December 31, 1997, 1996 and 1995 was $558,000, $306,000
and $247,000, respectively.

     The Company does not offer any post retirement benefits other than
pensions.

15. COMMITMENTS AND CONTINGENCIES

A number of legal claims against the Bank arising in the normal course of
business were outstanding at December 31, 1997. Management, after reviewing
these claims with legal counsel, is of the opinion that their resolution will
not have a material adverse affect on the Company's consolidated financial
position.

16. FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK

The Company is party to financial instruments with off-balance sheet risk in the
normal course of business to meet the financing needs of its customers. These
financial instruments primarily include commitments to originate and sell loans,
standby letters of credit, unused lines of credit and unadvanced portions of
construction loans. The instruments involve, to varying degrees, elements of
credit and interest rate risk in excess of the amount recognized in the
consolidated balance sheet. The contract or notional amounts of those
instruments reflect the extent of involvement the Company has in these
particular classes of financial instruments.

     The Company's exposure to credit loss in the event of non-performance by
the other party to the financial instrument for loan commitments and standby
letters of credit is represented by the contractual amount of those instruments.
The Company uses the same credit policies in making commitments and conditional
obligations as it does for on-balance sheet instruments.

     Financial instruments with off-balance sheet risk at December 31 are as
follows:

<TABLE>
<CAPTION>
Contract or Notional Amount                           1997                1996
- ------------------------------------------------------------------------------
(in thousands)
<S>                                                <C>                 <C>
Financial instruments whose contract amount
  represents credit risk:
   Commitments to originate 1-4 family mortgages   $   163             $   106
   Standby letters of credit                         1,561                 945
   Unused lines of credit                           85,204              66,696
   Unadvanced portions of construction loans           321               2,190
Financial instruments whose contract amount
  exceeds the amount of credit risk:
   Commitments to sell 1-4 family mortgages            388                 663
</TABLE>

Commitments to originate loans, unadvanced portions of construction loans and
unused lines of credit are generally agreements to lend to a customer provided
there is no violation of any condition established in the contract. Commitments
generally have fixed expiration dates or other termination clauses and may
require payment of a fee. Since many of the commitments are expected to expire
without being drawn upon, the total commitment amounts do not necessarily
represent future cash requirements. The Company evaluates each customer's credit
worthiness on a case-by-case basis. The amount of collateral obtained, if deemed
necessary by the Company upon extension of credit, is based on management's
credit evaluation of the borrower.

     Standby letters of credit are conditional commitments issued by the Company
to guarantee the performance by a customer to a third party. The credit risk
involved in issuing letters of credit is essentially the same as that involved
in extending loan facilities to customers.

     In addition to general commitments, the Company originates 1-4 family
mortgages for sale in the secondary markets. These loans are sold with and
without recourse and no loan is originated without its sale having been
pre-arranged. The Company was servicing mortgage loans sold to others with a
maximum recourse provision of 10% of the outstanding balance of approximately
$753,000 at December 31, 1997 and $1,092,000 at December 31, 1996.




                                       39
<PAGE>   42

17. OTHER OPERATING EXPENSES

<TABLE>
<CAPTION>
Year Ended December 31,                          1997             1996            1995
- ---------------------------------------------------------------------------------------
(in thousands)
<S>                                            <C>             <C>              <C>   
Marketing                                      $1,024          $   835          $  650
Supplies                                          441              471             522
Telephone                                         227              218             198
Postage and delivery                              465              512             514
Legal and audit                                   330              316             486
Insurance                                         187              184             192
FDIC assessment                                    57                2             473
Core deposit intangible amortization              200              200              25
Other                                           1,115              958           1,059
                                             ------------------------------------------
                                               $4,046          $ 3,696          $4,119
                                             ==========================================
</TABLE>

18. FAIR VALUES OF FINANCIAL INSTRUMENTS

The following methods and assumptions were used by the Company in estimating
fair values of its financial instruments. Excluded from this disclosure are
certain financial instruments for which it is not practical to estimate their
value and all nonfinancial instruments. Accordingly, the aggregate fair value
amounts presented do not represent the underlying value of the Company.

     Cash and cash equivalents: The carrying amounts reported in the balance
sheet for cash and cash equivalents approximate the fair values of these assets
because of the short-term nature of these financial instruments.

     Securities held-to-maturity and securities available-for-sale: The fair
value of these securities, excluding certain state and municipal securities
whose fair value is estimated at book value because they are not readily
marketable, is estimated based on bid prices published in financial newspapers
or bid quotations received from securities dealers.

     Loans: For variable-rate loans that reprice frequently and with no
significant change in credit risk, fair values are based on carrying amounts.
The fair value of other loans is estimated using discounted cash flow analysis,
based on interest rates currently being offered for loans with similar terms to
borrowers of similar credit quality. Incremental credit risk for non-performing
loans has been considered.

     Accrued interest receivable and payable: The carrying amounts for accrued
interest receivable and payable approximate fair values because of the
short-term nature of these financial instruments.

     Deposits: The fair value of deposits with no stated maturity, such as
noninterest bearing demand deposits, savings, N.O.W. and money market accounts,
is equal to the amount payable on demand as of the balance sheet date. The fair
value of certificates of deposit is based on the discounted value of contractual
cash flows. The discount rate used is estimated based on the rates currently
offered for deposits of similar remaining maturities.

     Repurchase agreements and other borrowed funds: The carrying amounts
reported in the balance sheet for repurchase agreements and other borrowed funds
approximate the fair values of those liabilities because of the short-term
nature of these financial instruments.

     Off-balance-sheet instruments: The fair values of the Company's unused
lines of credit, commitments to originate and sell loans and standby letters of
credit are estimated using the fees currently charged to enter into similar
agreements, taking into account the remaining terms of the agreements and the
counterparties' credit standing. The fair value of the Company's commitments to
sell mortgage loans approximates the estimated cost to terminate or otherwise
settle the obligations with the counterparties. Therefore, at December 31, 1997
and 1996, there was no fair value adjustment.


                                       40

<PAGE>   43

                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


     The carrying amounts and fair values of the Company's financial instruments
at December 31 are as follows:

<TABLE>
<CAPTION>
                                                              1997                                     1996
- ----------------------------------------------------------------------------------------------------------------------------
                                                  Carrying                                  Carrying
                                                  Amounts            Fair Value              Amounts           Fair Value
- ----------------------------------------------------------------------------------------------------------------------------
<S>                                            <C>                 <C>                    <C>                 <C>       
(in thousands)
Financial assets:

  Cash and cash equivalents                    $    97,892         $    97,892            $     67,681        $   67,681
  Securities available-for-sale                     89,190              89,190                  81,015            81,015

  Investment securities held-to-maturity           109,239             109,454                 107,715           107,331
  Net loans                                        311,944             315,653                 284,101           286,494
  Accrued interest receivable                        4,334               4,334                   4,283             4,283

Financial liabilities:

  Deposits                                         515,449             515,904                 476,135           476,787
  Repurchase agreements
   and other borrowed funds                         46,324              46,324                  30,143            30,143
  Accrued interest payable                           3,123               3,123                   2,000             2,000
</TABLE>

LIMITATIONS

Fair value estimates are made at a specific point in time, based on relevant
market information and information about the type of financial instrument. These
estimates do not reflect any premium or discount that could result from offering
for sale at one time the Bank's entire holdings of a particular financial
instrument. Because no market exists for some of the Bank's financial
instruments, fair value estimates are based on judgements regarding future
expected loss experience, cash flows, current economic conditions, risk
characteristics and other factors. These estimates are subjective in nature and
involve uncertainties and matters of significant judgement and therefore cannot
be determined with precision. Changes in assumptions and changes in the loan,
debt and interest rate markets could significantly affect the estimates.
Further, the income tax ramifications related to the realization of the
unrealized gains and losses can have a significant effect on the fair value
estimates and have not been considered.


19. QUARTERLY RESULT OF OPERATIONS

<TABLE>
<CAPTION>
1997 Quarters                                Fourth         Third          Second         First
- --------------------------------------------------------------------------------------------------
<S>                                        <C>            <C>            <C>            <C>       
(in thousands, except per share data)

Interest income                            $   10,593     $   10,395     $   10,332     $    9,896
Interest expense                                4,094          3,991          3,992          3,845
                                          ---------------------------------------------------------
  Net interest income                           6,499          6,404          6,340          6,051
Provision for loan losses                         135            135            135            255
                                          ---------------------------------------------------------
  Net-interest income after provisions

   for loan losses                              6,364          6,269          6,205          5,796
Other operating income                          1,347          1,248          1,255          1,144
Operating expenses                              4,613          4,693          4,663          4,630
                                          ---------------------------------------------------------
  Income before income taxes                    3,098          2,824          2,797          2,310
Provision for income taxes                      1,045          1,093          1,133            934
  Net income                               $    2,053     $    1,731     $    1,664     $    1,376
                                          =========================================================
Share Data
  Average shares outstanding, basic         5,779,946      5,777,767      5,769,282      5,761,278
  Average shares outstanding, diluted       5,842,167      5,846,473      5,834,441      5,835,391
Earnings per share, basic                  $     0.36     $     0.30     $     0.29     $     0.24
Earnings per share, diluted                $     0.35     $     0.30     $     0.29     $     0.24
                                          =========================================================
</TABLE>


<TABLE>
<CAPTION>
1996 Quarters                                Fourth         Third          Second         First
- --------------------------------------------------------------------------------------------------
<S>                                        <C>            <C>            <C>            <C>       
(in thousands, except per share data)                                               
Interest income                            $    9,789     $    9,887     $    9,706     $    9,395
Interest expense                                3,809          4,052          4,041          3,903
                                          ---------------------------------------------------------
  Net interest income                           5,980          5,835          5,665          5,492
Provision for loan losses                         255            255            255            255
                                          ---------------------------------------------------------
  Net-interest income after provisions

   for loan losses                              5,725          5,580          5,410          5,237
Other operating income                          1,143          1,060          1,270          1,288
Operating expenses                              4,417          4,337          4,502          4,618
                                          ---------------------------------------------------------
  Income before income taxes                    2,451          2,303          2,178          1,907
Provision for income taxes                        903            899            880            723
                                          ---------------------------------------------------------
  Net income                               $    1,548     $    1,404     $    1,298     $    1,184
                                          =========================================================
Share Data
  Average shares outstanding, basic         5,743,657      5,738,706      5,736,220      5,726,227
  Average shares outstanding, diluted       5,831,192      5,836,271      5,828,748      5,818,968
Earnings per share, basic                  $     0.27     $     0.24     $     0.23     $     0.21
Earnings per share, diluted                $     0.27     $     0.24     $     0.22     $     0.20
                                          =========================================================
</TABLE>
                                                                       

                                       41

<PAGE>   44

20. PARENT COMPANY FINANCIAL STATEMENTS


The balance sheets of Century Bancorp, Inc. ("Parent Company") as of December
31, 1997 and 1996 and the statements of income and cash flows for each of the
years in the three-year period ended December 31, 1997 are presented below. The
statements of changes in stockholders' equity are identical to the consolidated
statements of changes in stockholders' equity and are therefore not presented
here.

BALANCE SHEETS

<TABLE>
<CAPTION>
December 31,                                                          1997                1996
- ------------------------------------------------------------------------------------------------
<S>                                                                 <C>                  <C>    
(in thousands)
Assets:

     Cash                                                           $  7,602             $ 6,409
     Investment in subsidiary, at equity                              46,550              41,363
     Other assets                                                         83                  87
                                                               ---------------------------------
        Total assets                                                  54,235             $47,859
                                                               =================================

Liabilities and Stockholders' Equity:

     Liabilities                                                    $    378             $   370
     Stockholders' equity                                             53,857              47,489
                                                               ---------------------------------
        Total liabilities and stockholders' equity                  $ 54,235             $47,859
                                                               =================================
</TABLE>

STATEMENTS OF INCOME

<TABLE>
<CAPTION>
Year Ended December 31,                                 1997             1996            1995
- -----------------------------------------------------------------------------------------------
<S>                                                  <C>              <C>             <C>    
(in thousands)                                      

Income:                                             
                                                    
   Dividends from subsidiary                         $ 1,702          $ 1,544         $   939
   Interest income from deposits in bank                 289              253             216
   Other income                                           12               12              12
                                                     ------------------------------------------
    Total income                                       2,003            1,809           1,167
Operating expenses                                        73               69              79
                                                     ------------------------------------------
   Income before income taxes and equity in         
    undistributed income of subsidiary                 1,930            1,740           1,088
Income tax expense                                       112               89              66
                                                     ------------------------------------------
   Income before equity in undistributed            
    income of subsidiary                               1,818            1,651           1,022
Equity in undistributed income of subsidiary           5,005            3,783           3,552
                                                     ------------------------------------------
   Net income                                        $ 6,823          $ 5,434         $ 4,574
                                                     ==========================================
</TABLE>
                                                    
STATEMENTS OF CASH FLOWS                            

<TABLE>
<CAPTION>
Year Ended December 31,                                 1997             1996            1995
- ----------------------------------------------------------------------------------------------
<S>                                                  <C>              <C>             <C>    
(in thousands)                                      
Cash flows from operating activities:               
                                                    
   Net income                                        $ 6,823          $ 5,434         $ 4,574
   Adjustments to reconcile net income to    
    net cash provided by operating activities:

      Undistributed income of subsidiary              (5,005)          (3,783)         (3,552)
      Depreciation and amortization                        6                6               6
      Increase in other assets                            (2)              (1)             (3)
      Increase (decrease) in liabilities                   8              129            (298)
                                                     -----------------------------------------
       Net cash provided by operating activities       1,830            1,785             727
                                                     -----------------------------------------
Cash flows from investing activities:

   None                                                 --               --              --
Cash flows from financing activities:                
   Stock options exercised                               123              133               6
   Cash dividends paid                                  (760)            (595)           (438)
                                                     -----------------------------------------
       Net cash used by financing activities            (637)            (462)           (432)
                                                     -----------------------------------------
Net increase in cash                                   1,193            1,323             295
Cash at beginning of year                              6,409            5,086           4,791
                                                     -----------------------------------------
Cash at end of year                                  $ 7,602          $ 6,409         $ 5,086
                                                     =========================================
Supplemental disclosures of cash flow                
information: Cash paid during the year               
for:                                                 
                                                     
   Income taxes                                       $  111          $    93         $    70
</TABLE>

                                       42

<PAGE>   45

                                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


21. SUBSEQUENT EVENT - ACQUISITION

In December 1997, Century Bancorp, Inc. announced an agreement to acquire
Haymarket Cooperative Bank ("Haymarket") and merge Haymarket into Century Bank
and Trust Company. This acquisition is expected to be completed on or before
April 1, 1998. Haymarket is headquartered in Boston, Massachusetts and operates
two banking offices located in Boston. Haymarket is engaged principally in the
business of attracting deposits from the general public and investing those
deposits in residential real estate, consumer and small business loans.

     Total assets of Haymarket were approximately $142 million at December 31,
1997. Under the terms of the agreement, Century Bank and Trust Company will pay
approximately $20 million in cash for Haymarket and the acquisition is subject
to federal and state regulatory approval. The transaction will be accounted for
using the purchase method of accounting.

The following pro-forma condensed balance sheet was prepared as if this
acquisition had taken place at December 31, 1997.


PRO-FORMA CONDENSED BALANCE SHEETS
DECEMBER 31,1997

<TABLE>
<CAPTION>
(unaudited)                                     Century                         Pro-Forma        Pro-Forma
                                             Bancorp, Inc.    Haymarket        Adjustments        Combined
- -----------------------------------------------------------------------------------------------------------
(in thousands)
<S>                                          <C>              <C>              <C>               <C>   
Assets:

  Cash and cash equivalents                     $  97,892     $   5,015        $ (20,395)(a)     $  82,512
  Securities                                      198,429        54,278 (b)                        252,707 
  Loans, net                                      311,944        79,358 (c)                        391,302 
  Bank premises and equipment                       8,718           725                              9,443 
  Other assets                                     14,142         2,561            3,397 (a)        20,100
                                             --------------------------------------------------------------
   Total assets                                 $ 631,125     $ 141,937        $ (16,998)        $ 756,064
                                             ==============================================================
                                                                                                
Liabilities:                                                                                    
                                                                                                
  Deposits                                      $ 515,449     $ 119,984 (c)                      $ 635,433 
  Borrowed funds                                   46,324         3,000 (c)                         49,324 
  Other liabilities                                15,495         1,955                             17,450 
                                             --------------------------------------------------------------
   Total liabilities                              577,268       124,939                            702,207 
                                                                                                
Stockholders' equity                               53,857        16,998          (16,998)(a)        53,857
                                             --------------------------------------------------------------
   Total liabilities & stockholders' equity     $ 631,125     $ 141,937        $ (16,998)        $ 756,064
                                             ==============================================================
</TABLE>
                                                                         
     (a) Purchase of Haymarket funded by sale of federal funds.

     (b) All of Haymarket's securities are classified as available-for-sale and
     carried at fair value.

     (c) Haymarket's loans, deposits and borrowed funds are generally short term
     in nature and approximate fair value.

     The following pro-forma condensed results of Century Bancorp, Inc. were
prepared as if this acquisition had taken place on January 1, 1997. The
pro-forma results are not necessarily indicative of the actual results of
operations had the Company's acquisition of Haymarket actually occurred on
January 1, 1997.

<TABLE>
<CAPTION>
PRO-FORMA CONDENSED STATEMENTS OF INCOME
YEAR ENDED DECEMBER 31,1997
(unaudited)                                               Century                                 Pro-Forma       Pro-Forma
                                                        Bancorp, Inc.           Haymarket        Adjustments      Combined
- ----------------------------------------------------------------------------------------------------------------------------
(in thousands)                                                                               
<S>                                                       <C>                   <C>              <C>              <C>     
Interest income                                           $ 41,216              $ 12,842         $ (1,122)(a)     $ 52,936
Interest expense                                            15,922                 6,859                            22,781
                                                       ---------------------------------------------------------------------
  Net interest income                                       25,294                 5,983           (1,122)          30,155
Provision for loan losses                                      660                  (841)                             (181)
                                                       ---------------------------------------------------------------------
  Net interest income after provision for loan losses       24,634                 6,824           (1,122)          30,336
                                                                                             
Operating income                                             4,994                   200                             5,194
Operating expenses                                          18,600                 3,995              340 (b)       22,935
                                                       ---------------------------------------------------------------------
  Income before income taxes                                11,028                 3,029           (1,462)          12,595
Provision for income taxes                                   4,205                   890             (464)(c)        4,631
                                                       ---------------------------------------------------------------------
                                                                                             
  Net income                                              $  6,823              $  2,139         $   (998)        $  7,964
                                                       =====================================================================
Net income per share, basic                               $   1.18                  --               --           $   1.38
Net income per share, diluted                             $   1.17                  --               --           $   1.37
</TABLE>                                                     
                                                                              
   (a) Foregone interest on federal funds sold to finance purchase of Haymarket.

   (b) Amortization of goodwill assuming ten year amortization period.

   (c) Tax effect of the interest income adjustments.

                                       43

<PAGE>   46

INDEPENDENT AUDITORS' REPORT


KPMG PEAT MARWICK LLP
Certified Public Accountants
99 High Street
Boston, Massachusetts 02110

THE BOARD OF DIRECTORS CENTURY BANCORP, INC.:

We have audited the accompanying consolidated balance sheets of Century Bancorp,
Inc. and subsidiary (the Company) as of December 31, 1997 and 1996, and the
related consolidated statements of income, changes in stockholders' equity and
cash flows for each of the years in the three-year period ended December 31,
1997. These consolidated financial statements are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
consolidated financial statements based on our audits.

     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the consolidated financial statements are
free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements. An
audit also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.

     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Century
Bancorp, Inc. and subsidiary as of December 31, 1997 and 1996, and the results
of their operations and their cash flows for each of the years in the three-year
period ended December 31, 1997 in conformity with generally accepted accounting
principles.

                                             /s/ KPMG Peat Marwick LLP


January 12, 1998


                                       44
<PAGE>   47
                                    PART III


ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The directors of the Company and their ages as of December 31, 1997 are as
follows:

<TABLE>
<CAPTION>
      NAME                                      AGE                           POSITION
<S>                                             <C>        <C>
George R. Baldwin                               54         Director, Century Bancorp, Inc., and Century Bank and Trust Co.,

Roger S. Berkowitz                              45         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Karl E. Case, Ph. D.                            51         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Henry L. Foster, D.V.M.                         72         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Marshall I. Goldman, Ph. D.                     67         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Russell B. Higley, Esquire                      58         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Jonathan B. Kay                                 38         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Fraser Lemley                                   57         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Joseph P. Mercurio                              49         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Joseph J. Senna, Esquire                        58         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Barry R. Sloane                                 42         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

Jonathan G. Sloane                              39         Director and Senior Vice President, Century Bancorp, Inc.; President
                                                           and COO, Century Bank and Trust Company

Marshall M. Sloane                              71         Chairman, President and CEO, Century Bancorp, Inc., Chairman and
                                                           CEO, Century Bank and Trust Company

Stephanie Sonnabend                             44         Director, Century Bancorp, Inc., and Century Bank and Trust Co.

George F. Swansburg                             55         Director and Executive Vice President, Century Bancorp, Inc.;
                                                           Director, Vice Chairman, Century Bank and Trust Company

Jon Westling                                    55         Director, Century Bancorp, Inc., and Century Bank and Trust Co.
</TABLE>


                                      -45-

<PAGE>   48

Mr. Baldwin became a director of the Company in 1996. He has been a Director of
Century Bank and Trust Company since January 1995. Mr. Baldwin is President and
CEO of Arthur J. Gallagher & Co. of Massachusetts. Inc.

Mr. Berkowitz became a director of the Company in 1996. He was elected a
director of Century Bank/Suffolk in 1986 and has been a director of Century Bank
and Trust Company since the banks merged in 1992. Mr. Berkowitz is President of
Legal SeaFoods, Inc.

Dr. Case became a director of the Company in 1996. Dr. Case has been a director
of Century Bank and Trust Company since March 1995. He is the Marion Butler
McLean Professor of Economics at Wellesley College and a Visiting Scholar at the
Federal Reserve Bank of Boston.

Dr. Foster has been a director of the Company since its organization in 1972. He
was a founding director of Century Bank and Trust Company in 1969. For over 40
years he has been Chairman of the Board of Charles River Laboratories, Inc.

Dr. Goldman has been a director of the Company since its organization in 1972.
He was also a founding director of Century Bank and Trust Company in 1969. He
has been a Professor of Economics at Wellesley College since 1968 and Associate
Director of the Russian Research Center at Harvard University since 1975.

Mr. Higley became a director of the Company in 1996. He has been a director of
Century Bank and Trust Company since April 1986. Mr. Higley is an attorney.

Mr. Kay became a director of the Company in January 1997. He was also elected a
director of Century Bank and Trust Company in January 1997. Mr. Kay is President
of The Kay Companies.

Mr. Lemley became a director of the Company in 1996. He has been a director of
Century Bank and Trust Company since March 1988. Mr. Lemley is Chairman of the
Board of Sentry Ford, Inc., Sentry Lincoln-Mercury, Inc., and Sentry South
Lincoln-Mercury, Inc.

Mr. Mercurio became a director of the Company in 1991. He was formerly a
director of Century Bank and Trust Company from 1989 to 1991. He is an Executive
Vice President of Boston University.

Mr. Senna became a director of the Company in 1986. He has been a director of
Century Bank and Trust Company since 1979. Mr. Senna is an attorney.

Mr. Barry R. Sloane became a director of the Company in January 1997. He was
also elected a director of Century Bank and Trust Company in January 1997. Mr.
Sloane is Head of Private Banking (North America) at Credit Suisse Private
Banking.

Mr. Jonathan G. Sloane became a director of the Company in 1986. He was elected
President and director of Century Bank/Suffolk in 1983. In 1992 he was elected
Executive Vice President of Century Bank and Trust Company and in 1995 promoted
to Senior Executive Vice President. Mr. Sloane is currently President and COO of
Century Bank and Trust Company.

Mr. Marshall M. Sloane is the founder of the Company and has been Chairman,
President and CEO since its organization in 1972. He founded Century Bank and
Trust Company in 1969 and is currently its Chairman and CEO.

Ms. Sonnabend became a director of the Company in July 1997. She has been a
director of Century Bank and Trust Company since April 1997. Ms Sonnabend is
President of Sonesta International Hotels Corporation.

Mr. Swansburg became a director of the Company in 1986 and was elected Executive
Vice President in 1995. He was President of Century North Shore Bank and Trust
Company. In 1992 he was elected President and COO of Century Bank and Trust
Company. He is currently Vice Chairman of Century Bank and Trust Company.

Mr. Westling became a director of the Company in 1996. He has been a director of
Century Bank and Trust Company since April 1995. Mr. Westling is President of
Boston University.

All of the Company's directors are elected annually and hold office until their
successors are duly elected and qualified. There are no family relationships
between any of the directors or executive officers, except that Barry R. Sloane
and Jonathan G. Sloane are the sons of Marshall M. Sloane and Jonathan B. Kay is
the son-in-law of Marshall M. Sloane.


                                      -46-

<PAGE>   49

The Company has a Compensation and Audit Committee. The Compensation Committee
is a committee of the Board of Directors composed of Joseph P. Mercurio as
Chairman, Fraser Lemley and Roger S. Berkowitz. It reviews the salaries of the
Company's officers and administers the Company's Supplemental Executive
Insurance/Retirement Income Plan, Incentive Compensation Plan and Stock Option
Plan.

The Audit Committee is composed of Joseph Senna, Chairman and George Baldwin,
Russell B. Higley and Jon Westling. It meets with KPMG Peat Marwick LLP,
independent certified public accountants, in connection with the annual audit of
the Company's financial statements and reviews the findings and recommendations
of the FRB, FDIC and Massachusetts Bank Commissioner's staff in connection with
their examinations and the internal audit reports and procedures for the Company
and its subsidiary.

Directors not employed by the Company receive $100 per Board meeting attended
and $200 per committee meeting attended.


ITEM 11.  EXECUTIVE COMPENSATION AND OTHER INFORMATION

Executive officers are elected annually by the Board prior to the Annual Meeting
of Shareholders to serve for a one year term and until their successors are
elected and qualified. The following table sets forth the name of each executive
officer of the Company and the principal positions and offices he holds with the
Company. Unless otherwise noted, each of these officers has served as an
executive officer of the Company or its principal subsidiary for at least five
years.

<TABLE>
<S>                                                     <C>
Marshall M. Sloane                                      Chairman, President and CEO; Chairman and CEO, Century Bank
                                                        and Trust Company.

George F. Swansburg                                     Director and Executive Vice President; Director and Vice Chairman, Century
                                                        Bank and Trust Company.

Jonathan G. Sloane                                      Director and Senior Vice President; Director President and COO, Century
                                                        Bank and Trust Company.

Paul V. Cusick, Jr.                                     Vice President and Treasurer;
                                                        Executive Vice President, Chief Financial Officer and Treasurer,
                                                        Century Bank and Trust Company.  Mr. Cusick is 53 years of age.

Donald H. Lang                                          Executive Vice President, Century Bank and Trust
                                                        Company with responsibility for lending.  Mr. Lang
                                                        is 57 years of age.

William J. Sloboda                                      Executive Vice President, Century Bank and Trust Company with
                                                        responsibility for operations.  Mr. Sloboda is 55 years of age.
</TABLE>

COMPENSATION COMMITTEE REPORT ON EXECUTIVE COMPENSATION

Decisions on compensation of the Company's executives are generally made by the
Compensation Committee of the Board of Directors. Each member of the
Compensation Committee is a non-employee director. The goal of the Committee is
to provide competitive levels of compensation in order to attract and retain
qualified executive personnel. The Compensation Committee believes that the
actions of each executive officer have the potential to affect the short and
long term profitability of the Company. Accordingly, the Compensation Committee
places considerable importance on the design and administration of the executive
compensation program.

The Company has an executive compensation program that is driven by the overall
performance of the Company, the increase in shareholder value, the performance
of the business unit directly affected by the executive and by the performance
of the individual executive. The three primary components of the executive
compensation program are base salary, cash incentive plan and stock based
incentive plans.


                                      -47-


<PAGE>   50

BASE SALARY

Base salary levels are set so that the Company has the management talent to meet
the challenges in the financial services industry. Several factors are included
in setting base salaries including the responsibilities of the executive
officer, the scope of the executive's position, individual performance and
salary levels at peer banks. Historically, the Company's executive compensation
practices have been designed to provide total compensation in the middle range
of compensation levels at similar banking institutions. Salary increases for the
senior management group have averaged 3% to 6% during the last several years.

CASH INCENTIVE PLANS

The Company has a cash incentive compensation plan which provides for the award
of bonuses up to a percentage of base salary to officers of the Company or its
subsidiaries. Recipients of incentive compensation are selected by the
Compensation Committee, upon the recommendation of management, as eligible to
participate in the plan. Awards are based upon the attainments of established
objectives including profitability, expense control, sales volume and overall
job performance. No bonuses are paid unless actual earnings are at least 85% of
budgeted net income. Upon recommendation of the Compensation Committee, the
Board of Directors determines the amounts, if any, to be awarded. Earned bonuses
for 1997, 1996 and 1995 are shown in the Summary Compensation Table.

STOCK INCENTIVE PLANS

One of the Compensation Committee's priorities is for executives to be
significant shareholders so that the interest of the executives are aligned with
the shareholders and decisions are made as owners of the Company. On March 10,
1987, the stockholders approved a Stock Option Plan (the "Option Plan") that the
Board of Directors adopted on February 24, 1987, that provides for grants of
options to purchase no more than 150,000 shares of Class A Common Stock. Options
may be granted, in the discretion of the Board of Directors, to officers and
other key employees of the Company. Options granted under the Option Plan may be
either incentive stock options as defined in the Internal Revenue Code or
non-qualified stock options. The Option Plan is administrated by the
Compensation Committee (whose members are ineligible to participate in the
Option Plan) which makes recommendations, based upon management's
recommendations, to the Board of Directors as to persons to whom options are to
be granted, the number of shares to be optioned to each, the option price (which
may not be less than 85% of the fair market value for non-qualified stock
options, or the fair market value for incentive stock options, of the shares on
the date of grant) and the time periods during which options are exercisable (no
more than ten years from the date of grants). In the event of a reorganization,
as defined in the Option Plan, the Board of Directors may terminate the exercise
period by giving 30 days notice to all participants, during which time all
outstanding options may be exercised. Options for 146,500 shares were granted in
1994.

EXECUTIVE BENEFITS

The Company's executive compensation package includes a special benefits
component in addition to base salary and cash and stock incentive plans. These
special benefits are viewed as less important than the above. Where such
benefits are provided, they are intended to support other business purposes
including facilitating business development efforts.

CHIEF EXECUTIVE OFFICER COMPENSATION

Mr. Marshall Sloane is eligible to participate in the same executive
compensation plans available to other executive officers described above. The
1997 cash compensation for Mr. Sloane was $563,460 of which $438,200 was base
salary.

CONCLUSION

The Compensation Committee believes that the executive compensation package will
motivate the management team to produce the results the Company has historically
achieved.


                                      -48-

<PAGE>   51
                            Comparison of Five-Year
                            Cumulative Total Return*

[LINE GRAPH]


Value of $100 Invested on December 31, 1992 at:

<TABLE>
<CAPTION>
                   12/31/93       12/31/94       12/31/95       12/31/96       12/31/97
<S>                <C>            <C>            <C>            <C>            <C>
Century             115.06         267.51         342.97         450.46         621.64
Nasdaq Banks        114.04         119.27         169.27         223.41         377.44
Nasdaq U.S.         114.80         112.16         158.70         195.19         239.53
</TABLE>


* Assumes that the value of the investment in the Company's Common Stock and
each index was $100 on December 31, 1992 and that all dividends were reinvested.


                                      -49-

<PAGE>   52

SUMMARY OF CASH AND CERTAIN OTHER COMPENSATION

The following table shows, for fiscal years ending December 31, 1995, 1996 and
1997, the cash compensation paid by the Company and its subsidiaries, as well as
certain other compensation paid, accrued or granted for those years to the five
most highly compensated executive officers of the Company.


<TABLE>
<CAPTION>
                                                   SUMMARY COMPENSATION TABLE
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                   Long-Term Compensation
                                                                       -------------------------------------------
                                       Annual Compensation                       Awards                 Payouts
- ------------------------------------------------------------------------------------------------------------------
                                                                        Restricted      Securities
Name                                                                      Stock         Underlying        LTIP
and                              Salary      Bonus(1)        Other        Awards         Options/        Payouts        All Other
Principal Position      Year      ($)           ($)           ($)          ($)           SARs (#)          ($)        Compensation
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                     <C>     <C>           <C>            <C>        <C>             <C>              <C>          <C>
Marshall M. Sloane      1997    438,200       139,000          0            0               0               0              0
Chairman                1996    413,400       125,260          0            0               0               0              0
                        1995    390,000       107,250          0            0               0               0              0
George F. Swansburg     1997    191,100       50,496           0            0               0               0              0
Vice Chairman           1996    183,800       45,582           0            0               0               0              0
                        1995    173,400       39,015           0            0               0               0              0
Jonathan G. Sloane      1997    154,000       40,905           0            0               0               0              0
President               1996    148,000       36,852           0            0               0               0              0
                        1995    140,000       31,500           0            0               0               0              0
Donald H. Lang          1997    127,000       30,793           0            0               0               0              0
Executive Vice          1996    123,300       27,742           0            0               0               0              0
President               1995    118,600       23,720           0            0               0               0              0
William J. Sloboda      1997    147,900       36,827           0            0               0               0              0
Executive Vice          1996    145,000       29,000           0            0               0               0              0
President               1995    141,900       28,380           0            0               0               0              0
- ----------------------------------------------------------------------------------------------------------------------------------
</TABLE>


(1) Bonus amounts are based on performance for the years shown.


STOCK OPTION PLAN

The Company has granted incentive stock options to purchase 126,500 shares of
Class A Common Stock, at 100% of the January 19, 1994 closing price of $3.75 per
share, to 18 officers and employees. The Company also granted incentive stock
options to purchase 20,000 shares of Class A Common Stock at $4.125 to Marshall
M. Sloane. Options granted to the aforementioned officers are as follows.

<TABLE>
<CAPTION>
NAME OF INDIVIDUAL                           NUMBER OF SHARES
- --------------------------                   ----------------
<S>                                          <C>
Marshall M. Sloane                                20,000
George F. Swansburg                               20,000
Donald H. Lang                                    15,000
Jonathan G. Sloane                                16,000
William J. Sloboda                                16,000
</TABLE>


Options for the eighteen participants have six year terms and become exercisable
in increments of 33.3% of the shares covered thereby per year, commencing in
January of 1995. Mr. Sloane's options have five year terms.


                                      -50-

<PAGE>   53

SUPPLEMENTAL EXECUTIVE INSURANCE/RETIREMENT INCOME PLAN


Executive officers of the Company or its subsidiaries who have at least one year
of service may participate in the Supplemental Executive Insurance/Retirement
Income Plan (the "Supplemental Plan").

The Company maintains split dollar life insurance policies for participants, in
addition to the group term life insurance, which provides life insurance equal
to twice the individual's salary with a maximum of $200,000, which they receive
under a policy the Company maintains for its employees generally. The split
dollar insurance provides death benefits if the participant dies while in the
employ of the Company, equal to $2,191,000, $955,500, $635,000, $770,000,
$739,000 for Messrs. Marshall M. Sloane, Swansburg, Lang, Jonathan G. Sloane and
Sloboda.

Premiums paid by the Company in 1997 amounted to $87,800, $31,700, $27,600,
$8,300, $28,400, for policies on the lives of Messrs. Marshall M. Sloane,
Swansburg, Lang, Jonathan G. Sloane and Sloboda. The policies are on an
"insurance bonus" basis, which means that the Company pays the full amount of
all premiums on the policies but an amount equal to the one-year term cost of
the insurance is treated for tax purposes as a bonus to the insured. The Company
is the owner of these policies and each participating employee has received an
assignment of a portion of each policy's proceeds. Upon the death of a
participant, the Company will receive benefits equal to the difference between
the death benefits payable to the named beneficiary under the Supplemental Plan
and the face amount of the policy (less any policy loans then in force).

A participant in the Supplemental Plan is also entitled to retirement benefits.
Participants, upon retirement at age 65, after a specified number of years of
service, are entitled to receive for life, with ten years certain, 75% of their
highest 60 months salary for certain executives, or 66% of such salary if the
participants are Senior Vice Presidents and equivalents (as determined by the
Compensation Committee), less the primary social security benefits and the
benefit received from the defined benefit retirement plan. If a participant
retires or terminates employment prior to age 65 such person is entitled to a
reduced benefit. Five years of service are required for any benefits to become
vested. Thereafter benefits vest incrementally.

The following table illustrates representative annual retirement benefits at
various compensation levels for executive management employees under the
Supplemental Plan who retire at age 65 and with 15 years of service, without
reflecting the required offset of benefits from social security and the defined
benefit retirement plan.

<TABLE>
<CAPTION>
                                 Five Year
                            Average Compensation                       Annual Benefit
                            --------------------                       --------------
<S>                         <C>                                        <C>
                                   $ 50,000                                $ 37,500
                                    100,000                                  75,000
                                    150,000                                 112,500
                                    200,000                                 150,000
                                    250,000                                 187,500
                                    300,000                                 225,000
</TABLE>


As of January 1, 1997, Messrs. Marshall M. Sloane, Swansburg, Lang, Jonathan G.
Sloane, and Sloboda were 100%, 77.5%, 85.0%, 100%, and 100% vested,
respectively, under the Supplemental Plan.


                                      -51-

<PAGE>   54

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following table sets forth certain information as to the number and
percentage of shares of Class A and Class B Common Stock beneficially owned as
of December 31, 1997 (i) by each person known by the Company to own beneficially
more than 5% of the Company's outstanding shares of Class A or Class B Common
Stock (ii) by each of the Company's directors and certain officers; and (iii) by
all directors and officers of the Company as a group.

<TABLE>
<CAPTION>
NUMBER OF BENEFICIAL
OWNER & ADDRESS OR NUMBER                  CLASS A             % A          CLASS B        % B
OF PERSONS IN GROUP                        OWNED               OWNED         OWNED         OWNED
- ------------------------------------       ---------           -----      -----------      -----
<S>                                        <C>                 <C>        <C>              <C>
Charles J. Moore,(i)                       222,000             6.32%
The Banc Funds
208 South LaSalle Street
Chicago, IL 60604

Marshall M. Sloane,(i),(ii)                 15,973(1)          0.45%      1,714,330(2)     75.22%
400 Mystic Ave.
Medford, MA  02155

George R. Baldwin,(ii)                       5,960             0.17%
Roger S. Berkowitz,(ii)                      1,934             0.06%
Karl E. Case,(ii)                              342             0.01%
Paul V. Cusick, Jr., (ii)                    8,200             0.23%
Henry L. Foster, D.V.M.,(ii)                18,471             0.53%          1,000         0.04%
Marshall I. Goldman,(ii)                       261(3)          0.01%         30,000(4)      1.32%
Russell B. Higley, Esquire,(ii)              4,440             0.13%
Jonathan B. Kay,(ii)                         2,946             0.08%         60,000(6)      2.63%
Donald H. Lang,(ii)                          6,600             0.19%
Fraser Lemley,(ii)                           2,219             0.06%
Joseph P. Mercurio,(ii)                      1,362             0.04%
Joseph J. Senna,(ii)                         2,818             0.08%         42,000(5)      1.84%
Barry R. Sloane,(ii)                           251             0.01%
Jonathan G. Sloane,(ii)                        614             0.02%         60,000         2.63%
William J. Sloboda,(ii)                      7,009             0.20%            500         0.02%
Stephanie Sonnabend,(ii)                       126             0.00%
George F. Swansburg,(ii)                    17,100             0.49%
Jon Westling,(ii)                              385             0.01%

All directors and officers as a group
(20 in number),(iii)                       101,111             2.87%      1,907,930        83.72%
</TABLE>


(1)   Includes 2,500 shares owned by Mrs. Sloane and also includes 13,316 shares
      held in trust for Mr. Sloane's grandchildren.

(2)   Includes 1,500 shares owned by Mrs. Sloane, and does not include 120,000
      shares owned by Mr. Sloane's children. Mr. Sloane disclaims beneficial
      ownership of such 120,000 shares.

(3)   Does not include 9,000 shares held of record by Mr. Goldman's children;
      Mr. Goldman disclaims beneficial ownership of such shares.

(4)   Does not include 9,000 shares held of record by Mr. Goldman's children;
      Mr. Goldman disclaims beneficial ownership of such shares.

(5)   Includes 34,800 shares owned by Mrs. Senna.

(6)   Entire 60,000 shares are owned by Mrs. Kay, Marshall Sloane's daughter.


COMPLIANCE WITH SECTION 16(a) OF THE EXCHANGE ACT

Section 16(a) of the Exchange Act requires the Company's Executive Officers and
Directors, and any persons who own more than 10% of a registered class of the
Company's equity securities, to file reports of ownership and changes in
ownership of securities with the SEC and NASDAQ. Executive Officers, Directors,
and greater than 10% stockholders (of which, to the Company's knowledge, there
currently are none) are required by SEC regulation to furnish the Company's with
copies of all Section 16(a) forms they file. Based solely on a review of the
copies of such reports received by it or written representations from certain
reporting persons that no other reports were required, the corporation believes
that, during 1997, all Section 16(a) filing requirements applicable to its
Executive Officers and Directors were complied with, except that reports on
initial holdings and subsequent purchases by one director were filed late.


                                      -52-

<PAGE>   55

ITEM 13.   CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         None.


                                     PART IV

ITEM 14.   EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

       (a)  (1)   Financial Statements.

                  The following financial statements of the company and its
                  subsidiaries are presented in Item 8:

                  Independent Auditors' Report

                  Consolidated Balance Sheets - December 31, 1997 and 1996

                  Consolidated Statements of Income -- Years Ended December 31,
                  1997, 1996 and 1995

                  Consolidated Statements of Changes in Stockholders' Equity
                  -Years ended December 31, 1997, 1996 and 1995

                  Consolidated Statements of Cash Flows-Years Ended December 31,
                  1997, 1996 and 1995

                  Notes to Consolidated Financial Statements

            (2)   Financial Statement Schedules

                  All schedules are omitted because either the required
                  information is shown in the financial statements or notes
                  incorporated by reference, or they are not applicable, or the
                  data is not significant.

            (3)   Exhibits

                  Those exhibits required by Item 601 of Regulation S-K and by
                  paragraph (C) below previously filed.

       (b)  Reports on Form 8K.

            There were no items reported on Form 8K during the last quarter of
            the period covered by this Form.

       (C)  Exhibits required by Item 601 of Regulation S-K.

            Required exhibits previously filed

       (d)  Financial Statement required by Regulation S-X.

            Schedules to Consolidated Financial Statements required by
            Regulation S-X are not required under the related instructions or
            are inapplicable, and therefore have been omitted.


                                      -53-

<PAGE>   56

                                   SIGNATURES


Pursuant to the requirements of Section 13 or 15 (d) of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized, on this 10th day of March
1998

                                Century Bancorp, Inc.



                                /s/ Marshall M. Sloane
                                ------------------------------------------------
                                By:  Marshall M. Sloane, Chairman, President and
                                Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the registrant and
in the capacities indicated and on the date indicated.


<TABLE>
<S>                                               <C>
/s/ George R. Baldwin                             /s/ Barry R. Sloane
- ------------------------------------------        -------------------------------------------------------
George R. Baldwin, Director                       Barry R. Sloane, Director


/s/ Roger S. Berkowitz                            /s/ Stephanie Sonnabend
- ------------------------------------------        -------------------------------------------------------
Roger S. Berkowitz, Director                      Stephanie Sonnabend, Director


/s/ Karl E. Case                                  /s/ Jon Westling
- ------------------------------------------        -------------------------------------------------------
Karl E. Case, Ph.D., Director                     Jon Westling, Director


/s/ Henry L. Foster                               /s/ Jonathan G. Sloane
- ------------------------------------------        -------------------------------------------------------
Henry L. Foster, D.V.M., Director                 Jonathan G. Sloane, Director and Senior Vice President


/s/ Marshall I. Goldman                           /s/ Marshall M. Sloane
- ------------------------------------------        -------------------------------------------------------
Marshall I. Goldman, Ph.D., Director              Marshall M. Sloane, Chairman, President and Chief
                                                  Executive Officer

/s/ Russell B. Higley                             /s/ George F. Swansburg
- ------------------------------------------        -------------------------------------------------------
Russell B. Higley, Esquire, Director              George F. Swansburg, Director and Executive
                                                  Vice President

/s/ Jonathan B. Kay                               /s/ Paul V. Cusick, Jr.
- ------------------------------------------        -------------------------------------------------------
Jonathan B. Kay, Director                         Paul V. Cusick, Jr., Vice President and Treasurer,
                                                  Principal Financial Officer

/s/ Fraser Lemley                                 /s/ Kenneth A. Samuelian
- ------------------------------------------        -------------------------------------------------------
Fraser Lemley, Director                           Kenneth A. Samuelian, Vice President, Controller and
                                                  Compliance Officer, Century Bank and Trust Company,
                                                  Principal Accounting Officer
/s/ Joseph P. Mercurio
- ------------------------------------------
Joseph P. Mercurio, Director


/s/ Joseph J. Senna
- ------------------------------------------
Joseph J. Senna, Esquire, Director
</TABLE>


                                      -54-

<TABLE> <S> <C>

<ARTICLE> 9
<RESTATED> 
<CIK> 0000812348
<NAME> CENTURY BANCORP, INC.
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                          46,868
<INT-BEARING-DEPOSITS>                              24
<FED-FUNDS-SOLD>                                51,000
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     89,190
<INVESTMENTS-CARRYING>                         109,239
<INVESTMENTS-MARKET>                           109,454
<LOANS>                                        316,390
<ALLOWANCE>                                      4,446
<TOTAL-ASSETS>                                 631,125
<DEPOSITS>                                     515,449
<SHORT-TERM>                                    46,324
<LIABILITIES-OTHER>                             15,495
<LONG-TERM>                                          0
                                0
                                          0
<COMMON>                                         5,868
<OTHER-SE>                                      47,989
<TOTAL-LIABILITIES-AND-EQUITY>                 631,125
<INTEREST-LOAN>                                 28,353
<INTEREST-INVEST>                               12,156
<INTEREST-OTHER>                                   707
<INTEREST-TOTAL>                                41,216
<INTEREST-DEPOSIT>                              14,356
<INTEREST-EXPENSE>                              15,922
<INTEREST-INCOME-NET>                           25,294
<LOAN-LOSSES>                                      660
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                 18,600
<INCOME-PRETAX>                                 11,028
<INCOME-PRE-EXTRAORDINARY>                      11,028
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,823
<EPS-PRIMARY>                                     1.18
<EPS-DILUTED>                                     1.17
<YIELD-ACTUAL>                                    4.99
<LOANS-NON>                                      1,705
<LOANS-PAST>                                         7
<LOANS-TROUBLED>                                 3,306
<LOANS-PROBLEM>                                  5,018
<ALLOWANCE-OPEN>                                 4,179
<CHARGE-OFFS>                                      689
<RECOVERIES>                                       296
<ALLOWANCE-CLOSE>                                4,446
<ALLOWANCE-DOMESTIC>                             4,446
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>


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