SOVEREIGN BANCORP INC
S-4/A, 1998-06-29
SAVINGS INSTITUTION, FEDERALLY CHARTERED
Previous: SHARPER IMAGE CORP, 11-K, 1998-06-29
Next: ALLIANCE PORTFOLIOS, NSAR-A, 1998-06-29




   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 26, 1998
    
                                                      REGISTRATION NO. 333-51813
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                          ---------------------------
 
                         PRE-EFFECTIVE AMENDMENT NO. 1
                                       TO
                                    FORM S-4
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                          ---------------------------
 
                            SOVEREIGN BANCORP, INC.
             (Exact Name of registrant as specified in its charter)
 
<TABLE>
<S>                                <C>                                <C>
          PENNSYLVANIA                           6720                            23-2453088

 (State or Other jurisdiction of     (Primary Standard Industrial      (I.R.S. Employer Identification
 incorporation or organization)       Classification Code Number)                   No.)
</TABLE>                                                               
 
                            1130 BERKSHIRE BOULEVARD
                         WYOMISSING, PENNSYLVANIA 19610
                                 (610) 320-8400
              (Address, including zip code, and telephone number,
       including area code, of registrant's principal executive offices)
 
                          ---------------------------
 
                                  JAY S. SIDHU
                     PRESIDENT AND CHIEF EXECUTIVE OFFICER
                            SOVEREIGN BANCORP, INC.
                            1130 BERKSHIRE BOULEVARD
                         WYOMISSING, PENNSYLVANIA 19610
                                 (610) 320-8400
           (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)
 
                          ---------------------------
 
                                   Copies to:
 

   JOSEPH M. HARENZA, ESQUIRE                       MICHAEL M. HORN, ESQUIRE
    DAVID W. SWARTZ, ESQUIRE                        PETER S. TWOMBLY, ESQUIRE
       STEVENS & LEE, P.C.                           MCCARTER & ENGLISH, LLP
     111 North Sixth Street                            Four Gateway Center
          P.O. Box 679                                 100 Mulberry Street
        Reading, PA 19603                             Newark, NJ 07101-2652
 
                          ---------------------------
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after this Registration Statement becomes effective.
 
     If the securities being registered on this Form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box: / /
 
                          ---------------------------
 
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                        [LETTERHEAD OF CARNEGIE BANCORP]
 
   
                                 June 30, 1998
    
Dear Shareholder:
 
   
     You are cordially invited to attend the annual meeting of shareholders (the
"Annual Meeting") of Carnegie Bancorp ("Carnegie") to be held on Thursday, July
30, 1998, at 4:00 p.m., local time, at the main office of Carnegie Bank, N.A.,
Carnegie's wholly-owned subsidiary, located at 619 Alexander Road, Princeton,
New Jersey 08540.
    
 
     At the Annual Meeting, shareholders will consider and vote upon the
Agreement and Plan of Merger dated as of December 12, 1997 (the "Merger
Agreement"), between Carnegie and Sovereign Bancorp, Inc. ("Sovereign"),
providing for the merger of Carnegie with and into Sovereign (the "Merger") and
the conversion of each outstanding share of common stock of Carnegie (other than
shares, if any, then owned by Sovereign, Carnegie or any subsidiary of Carnegie)
into shares of common stock of Sovereign, based on an exchange ratio to be
determined in accordance with the Merger Agreement, all as more fully described
in the accompanying Proxy Statement/Prospectus. Sovereign will pay cash to
Carnegie shareholders in lieu of issuing fractional shares of Sovereign common
stock. Completion of the Merger is subject to certain conditions, including the
approval of the Merger Agreement by the shareholders of Carnegie and the
approval of the Merger by various regulatory agencies.
 
     To account for the possibility that the Merger Agreement will not be
approved by the shareholders of Carnegie or that the Merger will not be
consummated for any other reason, you will also be asked to vote on the election
of nine (9) directors of Carnegie to hold office until the next annual meeting
of shareholders and until their successors are duly elected and qualified. The
vote on this matter will only be given effect if the Merger Agreement is not
approved or the Merger is not otherwise consummated.
 
   
     In the material accompanying this letter, you will find a Notice of Annual
Meeting of Shareholders, a Proxy Statement/Prospectus relating to the actions to
be taken by Carnegie shareholders at the Annual Meeting and a proxy card. The
Proxy Statement/Prospectus more fully describes the proposed Merger and other
matters to be considered at the Annual Meeting and includes certain information
concerning Carnegie and Sovereign. Also enclosed is Carnegie's 1997 Annual
Report to Shareholders (which includes portions of Carnegie's Annual Report on
Form 10-K for the fiscal year ended December 31, 1997).
    
 
     The attached Proxy Statement/Prospectus contains important information
concerning the Merger. We urge you to give it your careful attention.
 
     The Board of Directors of Carnegie has carefully considered and approved
the Merger Agreement and believes that the Merger is in the best interests of
Carnegie and its shareholders. ACCORDINGLY, YOUR BOARD OF DIRECTORS UNANIMOUSLY
HAS APPROVED AND RECOMMENDS THAT YOU VOTE FOR APPROVAL OF THE MERGER AGREEMENT.
 
     YOUR VOTE IS IMPORTANT REGARDLESS OF THE NUMBER OF SHARES YOU OWN. WHETHER
OR NOT YOU PLAN TO ATTEND THE ANNUAL MEETING, THE BOARD OF DIRECTORS OF CARNEGIE
URGES YOU TO COMPLETE, SIGN, DATE AND RETURN THE ENCLOSED PROXY CARD PROMPTLY IN
THE ENCLOSED POSTAGE-PAID ENVELOPE. THIS WILL NOT PREVENT YOU FROM VOTING IN
PERSON AT THE ANNUAL MEETING BUT WILL ENSURE THAT YOUR VOTE IS COUNTED IF YOU
ARE UNABLE TO ATTEND. IF YOU ARE A SHAREHOLDER WHOSE SHARES ARE NOT REGISTERED
IN YOUR OWN NAME, YOU WILL NEED ADDITIONAL DOCUMENTATION FROM YOUR RECORD HOLDER
IN ORDER TO VOTE PERSONALLY AT THE ANNUAL MEETING.
 
     On behalf of the Board of Directors and our employees, I wish to thank you
for your continued support. We appreciate your interest.
 
                                          Sincerely yours,
 
                                          Bruce A. Mahon
                                          Chairman of the Board
 
                                          Thomas L. Gray, Jr.
                                          President and Chief Executive Officer
<PAGE>

                                CARNEGIE BANCORP
                               619 ALEXANDER ROAD
                          PRINCETON, NEW JERSEY 08540
 
                         ------------------------------
                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
 
   
                          TO BE HELD ON JULY 30, 1998
    
                         ------------------------------
 
   
     NOTICE IS HEREBY GIVEN that an Annual Meeting of Shareholders (including
any adjournment or postponement, the "Annual Meeting") of Carnegie Bancorp
("Carnegie"), a New Jersey corporation, will be held on Thursday, July 30, 1998,
at 4:00 p.m., local time, at the main office of Carnegie Bank, N.A., the
Company's wholly-owned subsidiary, located at 619 Alexander Road, Princeton, New
Jersey 08540, to consider and vote upon the following matters, all as more fully
described in the accompanying Proxy Statement/Prospectus:
    
 
          1. The approval and adoption of the Agreement and Plan of Merger dated
     as of December 12, 1997 (the "Merger Agreement"), between Sovereign
     Bancorp, Inc. ("Sovereign") and Carnegie, which provides, among other
     things, for (i) the merger of Carnegie with and into Sovereign (the
     "Merger") and (ii) the conversion of each share of common stock of Carnegie
     outstanding immediately prior to the Merger (other than any shares owned by
     Sovereign, Carnegie or any subsidiary of Carnegie) into the right to
     receive a number of shares of Sovereign common stock determined in the
     manner set forth in the Merger Agreement, plus cash in lieu of any
     fractional share interest.
 
          2. To account for the possibility that the Merger Agreement will not
     be approved by the shareholders of Carnegie or that the Merger will not be
     consummated for any other reason, shareholders will also consider and vote
     upon the election of nine (9) directors of Carnegie to hold office until
     the next annual meeting of shareholders and until their successors are duly
     elected and qualified.
 
          3. The adjournment of the Annual Meeting, if necessary, to permit
     further solicitation of proxies in the event there are not sufficient votes
     at the time of the Annual Meeting to approve the Merger Agreement.
 
          4. The transaction of such other business as may properly be brought
     before the Annual Meeting.
 
   
     The Board of Directors of Carnegie has fixed the close of business on June
22, 1998 as the record date for determining shareholders entitled to notice of,
and to vote at, the Annual Meeting. A list of shareholders entitled to vote at
the Annual Meeting will be available for inspection at Carnegie Bancorp, 619
Alexander Road, Princeton, New Jersey, for a period of ten days prior to the
Annual Meeting and also will be available for inspection at the Annual Meeting.
    
 
     PLEASE DO NOT SEND IN ANY CERTIFICATES FOR YOUR SHARES AT THIS TIME.
 
                                          BY ORDER OF THE BOARD OF DIRECTORS
 
   
                                          THOMAS L. GRAY, JR.
    
                                          President and Chief Executive Officer
Princeton, New Jersey
   
June 30, 1998
    
 
<PAGE>

- --------------------------------------------------------------------------------
 
                                CARNEGIE BANCORP
                                PROXY STATEMENT

                         ------------------------------
 
                            SOVEREIGN BANCORP, INC.
                                   PROSPECTUS
 
   
                                7,424,392 SHARES
                                  COMMON STOCK
                                WITHOUT PAR VALUE
    
- --------------------------------------------------------------------------------
 
   
     This Proxy Statement/Prospectus ("Proxy Statement/Prospectus") is being
furnished to shareholders of Carnegie Bancorp ("Carnegie"), a New Jersey
corporation, in connection with the solicitation of proxies by the Board of
Directors of Carnegie for use at the Annual Meeting of Shareholders of Carnegie
(including any adjournments or postponements thereof, the "Annual Meeting") to
be held on July 29, 1998.
    
 
     This Proxy Statement/Prospectus relates to up to 7,424,392 shares of common
stock, no par value, of Sovereign Bancorp, Inc. (together with the Sovereign
Rights, as hereinafter defined, attached thereto, the "Sovereign Common Stock")
which may be issued upon the merger of Carnegie with and into Sovereign (the
"Merger"), pursuant to an Agreement and Plan of Merger, dated as of December 12,
1997 (the "Merger Agreement"). In the Merger, each outstanding share of common
stock, no par value, of Carnegie ("Carnegie Common Stock") (other than shares,
if any, then owned by Sovereign, Carnegie or any subsidiary of Carnegie
("Excluded Shares")), will be converted into and become the right to receive
such number of shares of Sovereign Common Stock as shall equal $35.50 divided by
the average of the last reported sales prices of a share of Sovereign Common
Stock (as reported on the Nasdaq Stock Market National Market) for the 15
consecutive trading days immediately preceding the effective date (the
"Effective Date") of the Merger (the "Sovereign Market Value"), provided that
the Sovereign Market Value as of the Effective Date is greater than or equal to
$15.00 per share and less than or equal to $18.33 per share. If, however, the
Sovereign Market Value as of the Effective Date is less than $15.00 per share or
greater than $18.33 per share, shareholders of Carnegie will be entitled to
receive a fixed number of shares of Sovereign Common Stock as follows: if the
Sovereign Market Value as of the Effective Date is less than $15.00 per share,
each share of Carnegie Common Stock (other than Excluded Shares) will be
converted into 2.366 shares of Sovereign Common Stock, and if the Sovereign
Market Value as of the Effective Date is greater than $18.33 per share, each
share of Carnegie Common Stock will be converted into 1.937 shares of Sovereign
Common Stock. In addition, as further described herein, in the event that
Carnegie elects to terminate the Merger Agreement as a result of a decline in
the Sovereign Market Value as of the date immediately preceding the Effective
Date to less than $12.06 (without a corresponding specified decline in the
weighted average prices of a comparable group of nine thrift holding companies),
Sovereign can override such termination by increasing the number of shares
issuable in exchange for each share of Carnegie Common Stock from 2.366 shares
to such number of shares of Sovereign Common Stock as shall have an aggregate
value of $28.53 based on the Sovereign Market Value as of the date immediately
preceding the Effective Date.
 
     The number of shares of Sovereign Common Stock into which each share of
Carnegie Common Stock (other than Excluded Shares) will be converted in the
Merger has been adjusted for the 6-for-5 stock split effected on April 15, 1998
("Stock Split"). Further adjustment shall be made to prevent dilution in the
event of additional stock splits, reclassifications or other similar events.
Sovereign will pay cash to Carnegie shareholders in lieu of issuing fractional
shares of Sovereign Common Stock.
 
   
     This Proxy Statement/Prospectus constitutes both (i) the proxy statement of
Carnegie relating to the solicitation of proxies by the Board of Directors of
Carnegie for use at the Annual Meeting to be held for the purpose, among other
things, of considering and voting upon a proposal to approve the Merger
Agreement and (ii) the prospectus of Sovereign with respect to the Sovereign
Common Stock to be issued in the Merger. Sovereign Common Stock is quoted on the
Nasdaq Stock Market National Market. On June 25, 1998, the last sale price of
Sovereign Common Stock as reported on the Nasdaq Stock Market National Market
(symbol: SVRN) was $16.625.
    
 
   
     This Proxy Statement/Prospectus and the accompanying form of proxy are
first being mailed on or about June 29, 1998.
    
 
     THE SHARES OF SOVEREIGN COMMON STOCK OFFERED HEREBY HAVE NOT BEEN APPROVED
OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROXY
STATEMENT/PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
     THE SHARES OF SOVEREIGN COMMON STOCK OFFERED HEREBY ARE NOT SAVINGS
ACCOUNTS, DEPOSITS OR OTHER OBLIGATIONS OF A BANK OR SAVINGS ASSOCIATION AND ARE
NOT INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION OR ANY OTHER
GOVERNMENTAL AGENCY.
                         ------------------------------
 
   
         The date of this Proxy Statement/Prospectus is June 30, 1998.
    
 
<PAGE>

                               TABLE OF CONTENTS
 
   
                                                              PAGE
                                                              ----
AVAILABLE INFORMATION.......................................    1
 
INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE.............    1
 
CAUTIONARY STATEMENT CONCERNING FORWARD LOOKING
  INFORMATION...............................................    2
 
SUMMARY.....................................................    3
  The Companies.............................................    3
  The Annual Meeting........................................    4
  The Merger................................................    5
  Certain Related Transactions..............................    8
  Interests of Certain Persons in the Merger................    9
  Comparative Per Common Share Data.........................   10
  Market Value of Securities................................   11
  Recent Developments.......................................   12
 
SELECTED FINANCIAL DATA.....................................   13
  PRO FORMA COMBINED FINANCIAL INFORMATION..................   15
  Pro Forma Combined Condensed Consolidated Balance Sheet as
     of March 31, 1998......................................   16
  Pro Forma Unaudited Combined Condensed Statements of
     Income for the Three Months Ended March 31, 1998, and
     Years Ended December 31, 1997, 1996 and 1995...........   17
 
THE ANNUAL MEETING..........................................   21
  Date, Time and Place......................................   21
  Matters To Be Considered at the Annual Meeting............   21
  Votes Required............................................   21
  Voting of Proxies.........................................   21
  Revocability of Proxies...................................   22
  Record Date; Stock Entitled to Vote; Quorum...............   22
  Solicitation of Proxies...................................   22
 
THE MERGER..................................................   23
  Background of and Reasons for the Merger..................   23
  Terms of the Merger.......................................   25
  Fairness Opinion of Carnegie's Financial Advisor..........   26
  Effective Date of the Merger..............................   29
  Exchange of Carnegie Stock Certificates...................   29
  Conditions to the Merger..................................   30
  Subsidiary Bank Merger....................................   30
  Regulatory Approvals......................................   30
  Representations and Warranties............................   31
  Business Pending the Merger...............................   32
  Dividends.................................................   33
  No Solicitation of Transactions...........................   33
  Amendment; Waivers........................................   34
  Termination; Effect of Termination........................   34
  Management and Operations after the Merger................   36
  Employee Benefits and Severance...........................   36
  Accounting Treatment......................................   37
  Certain Federal Income Tax Consequences...................   37
  Expenses..................................................   38
  Resale of Sovereign Common Stock..........................   38
    
 
                                        i
<PAGE>
   
                                                              PAGE
                                                              ----
  No Dissenters' Rights of Appraisal........................   39
  Dividend Reinvestment Plan................................   39
 
INTERESTS OF CERTAIN PERSONS IN THE MERGER..................   39
  Stock Options.............................................   39
  Indemnification; Directors' and Officers' Insurance.......   39
  Employment and Other Agreements...........................   40
 
CERTAIN RELATED TRANSACTIONS................................   42
  Stock Option Agreement....................................   42
 
INFORMATION WITH RESPECT TO SOVEREIGN.......................   44
  General...................................................   44
  Market Price of and Dividends on Sovereign Common Stock
     and Related Shareholder Matters........................   44
 
INFORMATION WITH RESPECT TO CARNEGIE........................   45
  Business..................................................   45
  Directors.................................................   45
  Executive Officers........................................   46
  Board of Directors Meetings and Committees................   46
  Directors Compensation....................................   46
  Executive Compensation....................................   47
  Employment Agreements.....................................   49
 
BOARD REPORT ON EXECUTIVE COMPENSATION......................   50
 
EXECUTIVE COMPENSATION POLICY...............................   50
 
PERFORMANCE GRAPH...........................................   52
  Principal and Other Shareholders of Carnegie..............   53
  Certain Transactions......................................   54
  Market Price of and Dividends on Carnegie Common Stock and
     Related Shareholder Matters............................   55
 
DESCRIPTION OF SOVEREIGN CAPITAL SECURITIES.................   56
  Common Stock..............................................   56
  Preferred Stock...........................................   57
  Shareholder Rights Plan...................................   58
  Special Charter and Pennsylvania Corporate Law
     Provisions.............................................   58
 
COMPARISON OF SHAREHOLDER RIGHTS............................   60
  Directors.................................................   60
  Shareholder Meetings......................................   61
  Action by Shareholders Without a Meeting..................   62
  Inspection Rights.........................................   62
  Shareholder Rights Plan...................................   62
  Antitakeover Provisions...................................   63
  Required Shareholder Vote.................................   64
  Amendment of Bylaws.......................................   65
  Mandatory Tender Offer Provision..........................   65
  Dissenters' Rights........................................   66
  Dividends.................................................   66
  Voluntary Dissolution.....................................   67
  Preemptive Rights.........................................   67
    
 
                                       ii
<PAGE>
 
   
                                                              PAGE
                                                              ----
ELECTION OF DIRECTORS OF CARNEGIE...........................   67
 
ADJOURNMENT.................................................   68
 
EXPERTS.....................................................   68
 
LEGAL MATTERS...............................................   68
 
OTHER MATTERS...............................................   69
 
SHAREHOLDER PROPOSALS.......................................   69
    
 
ANNEXES
A.  Agreement and Plan of Merger between Sovereign and
     Carnegie dated as of December 12, 1997.................  A-1
B.  Stock Option Agreement between Sovereign and Carnegie,
    dated December 12, 1997.................................  B-1
C.  Opinion of Janney Montgomery Scott Inc..................  C-1

 
                                       iii
<PAGE>

     NO PERSONS HAVE BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROXY STATEMENT/PROSPECTUS IN
CONNECTION WITH THE SOLICITATION OF PROXIES OR THE OFFERING OF SECURITIES MADE
HEREBY AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY SOVEREIGN OR CARNEGIE. THIS PROXY
STATEMENT/PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF
AN OFFER TO BUY, ANY SECURITIES, OR THE SOLICITATION OF A PROXY, IN ANY
JURISDICTION TO OR FROM ANY PERSON TO WHOM IT IS NOT LAWFUL TO MAKE ANY SUCH
OFFER OR SOLICITATION IN SUCH JURISDICTION. NEITHER THE DELIVERY OF THIS PROXY
STATEMENT/PROSPECTUS NOR ANY DISTRIBUTION OF SECURITIES MADE HEREUNDER SHALL,
UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS BEEN NO CHANGE IN
THE AFFAIRS OF SOVEREIGN OR CARNEGIE SINCE THE DATE HEREOF OR THAT THE
INFORMATION HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO ITS DATE.
 
     All information concerning Sovereign and its subsidiaries contained herein,
incorporated herein by reference or supplied herewith, has been furnished by
Sovereign, and all information concerning Carnegie and its subsidiaries
contained herein, incorporated herein by reference or supplied herewith, has
been furnished by Carnegie.
 
                             AVAILABLE INFORMATION
 
     Sovereign and Carnegie are each subject to the informational requirements
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and, in
accordance therewith, file reports, proxy statements and other information with
the Securities and Exchange Commission (the "Commission"). The reports, proxy
statements and other information filed by Sovereign and Carnegie with the
Commission can be inspected and copied at the offices of the Commission at
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, and at the
Commission's regional offices located at Seven World Trade Center, New York, New
York 10048, and Citicorp Center, 500 West Madison Avenue, Suite 1400, Chicago,
Illinois 60661-2511. Copies of such material also can be obtained from the
Public Reference Section of the Commission at 450 Fifth Street, N.W.,
Washington, D.C. 20549, at prescribed rates, and from the web site that the
Commission maintains at http://www.sec.gov.
 
     Sovereign has filed with the Commission a Registration Statement on Form
S-4 (together with any amendments thereto, the "Registration Statement") under
the Securities Act of 1933, as amended (the "Securities Act"), with respect to
the Sovereign Common Stock to be issued pursuant to the Merger Agreement. This
Proxy Statement/Prospectus does not contain all the information set forth in the
Registration Statement and the exhibits thereto. Such additional information may
be obtained from the Commission's principal office in Washington, D.C.
Statements contained in this Proxy Statement/Prospectus or in any document
incorporated in this Proxy Statement/Prospectus by reference or supplied
herewith as to the contents of any contract or other document referred to herein
or therein are not necessarily complete, and, in each instance, reference is
made to the copy of such contract or other document filed as an exhibit to the
Registration Statement or such other document, each such statement being
qualified in all respects by such reference.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed with the Commission by Sovereign (File No.
0-16533) pursuant to the Exchange Act are incorporated by reference in this
Proxy Statement/Prospectus:
 
          1. Sovereign's Annual Report on Form 10-K for the year ended December
             31, 1997.
 
          2. Sovereign's Quarterly Report on Form 10-Q for the quarter ended
             March 31, 1998.
 
   
          3. Sovereign's Current Reports on Form 8-K dated June 23, 1998
             (including restated financial statements of Sovereign), April 20,
             1998, February 20, 1998 and February 19, 1998.
    
 
          4. Sovereign's Registration Statement on Form 8-A, filed August 14,
             1989, pursuant to which Sovereign registered certain stock purchase
             rights under the Exchange Act and any amendments or reports filed
             for the purpose of updating such Registration Statement.
 
     The following documents filed with the Commission by Carnegie (File No.
0-24562) pursuant to the Exchange Act are incorporated by reference in this
Proxy Statement/Prospectus:
 
          1. Carnegie's Annual Report on Form 10-K for the year ended December
             31, 1997.
<PAGE>

   
          2. Carnegie's Quarterly Report on Form 10-Q for the quarter ended
             March 31, 1998.
    
 
          3. The description of the Carnegie Common Stock contained in
             Carnegie's Registration Statement on Form 8-A filed pursuant to the
             Exchange Act, including any amendment thereto or report filed under
             the Exchange Act for the purpose of updating such description.
 
     In addition, all documents filed by Sovereign and Carnegie pursuant to
Section 13(a), 13(c), 14 and 15(d) of the Exchange Act subsequent to the date of
this Proxy Statement/Prospectus and prior to the date of the Annual Meeting
shall be deemed to be incorporated by reference in this Proxy
Statement/Prospectus and to be a part hereof from the dates of filing of such
documents or reports. Any statement contained herein or in a document all or a
portion of which is incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this Proxy
Statement/Prospectus to the extent that a statement contained herein or in any
other subsequently filed document which also is or is deemed to be incorporated
by reference herein modifies or supersedes such statement. Any such statement so
modified or superseded shall not be deemed, except as modified or superseded, to
constitute a part of this Proxy Statement/Prospectus.
 
   
     THIS PROXY STATEMENT/PROSPECTUS INCORPORATES DOCUMENTS BY REFERENCE WHICH
ARE NOT PRESENTED HEREIN OR DELIVERED HEREWITH. SUCH DOCUMENTS (OTHER THAN
EXHIBITS TO SUCH DOCUMENTS UNLESS SUCH EXHIBITS ARE SPECIFICALLY INCORPORATED BY
REFERENCE) ARE AVAILABLE, WITHOUT CHARGE, TO ANY PERSON, INCLUDING ANY
BENEFICIAL OWNER, TO WHOM THIS PROXY STATEMENT/PROSPECTUS IS DELIVERED, ON
WRITTEN OR ORAL REQUEST. DOCUMENTS RELATING TO SOVEREIGN MAY BE REQUESTED FROM
SOVEREIGN BANCORP, INC., 1130 BERKSHIRE BOULEVARD, WYOMISSING, PENNSYLVANIA
19610 (TELEPHONE NUMBER (610) 320-8400), ATTENTION: LAWRENCE M. THOMPSON, JR.,
SECRETARY. DOCUMENTS RELATING TO CARNEGIE MAY BE REQUESTED FROM CARNEGIE
BANCORP, 619 ALEXANDER AVENUE, PRINCETON, NEW JERSEY 08540 (TELEPHONE NUMBER
(609) 243-7500), ATTENTION: RICHARD P. ROSA, SECRETARY. IN ORDER TO ENSURE
DELIVERY OF THE DOCUMENTS PRIOR TO CARNEGIE'S ANNUAL MEETING REQUESTS SHOULD BE
RECEIVED BY JULY 15, 1998.
    
 
   
          CAUTIONARY STATEMENT CONCERNING FORWARD LOOKING INFORMATION
    
 
   
     Except for historical information, this Proxy Statement/Prospectus may be
deemed to contain "forward looking" information. Examples of forward looking
information include, but are not limited to (a) projections of or statements
regarding future earnings, interest income, other income, earnings or loss per
share, lost savings and synergies expected in connection with the Merger, asset
mix and quality, growth prospects, capital structure and other financial terms,
(b) statements of plans and objectives of management or the Board of Directors,
(c) statements of future economic performance, and (d) statements of
assumptions, such as economic conditions in the market areas served by Sovereign
and Carnegie, underlying other statements and statements about Sovereign or
Carnegie or their respective businesses. Such forward looking information can be
identified by the use of forward looking terminology such as "believes,"
"expects," "may," "intends," "will," "should," "anticipates," or the negative of
any of the foregoing or other variations thereon or comparable terminology, or
by discussion of strategy. No assurance can be given that the future results
covered by the forward looking information will be achieved. Such statements are
subject to risks, uncertainties, and other factors which could cause actual
results to differ materially from future results expressed or implied by such
forward looking information. Important factors that could impact operating
results include, but are not limited to, (i) the effects of changing economic
conditions in both the market areas served by Sovereign and Carnegie and
nationally, (ii) credit risks of commercial, real estate, consumer and other
lending activities, (iii) significant changes in interest rates, (iv) changes in
federal and state banking laws and regulations which could affect operations,
(v) funding costs, and (vi) other external developments which could materially
affect business and operations.
    
 
                                       2
<PAGE>

                                    SUMMARY
 
     The following is a summary of certain information contained elsewhere in
this Proxy Statement/Prospectus. Reference is made to, and this summary is
qualified in its entirety by, the more detailed information contained or
incorporated by reference in this Proxy Statement/Prospectus and the Annexes
hereto. A copy of the Merger Agreement is set forth in Annex A to this Proxy
Statement/Prospectus and reference is made thereto for a complete description of
the terms of the Merger. Shareholders of Carnegie are urged to read carefully
this entire Proxy Statement/Prospectus, including the Annexes hereto.
 
     Except as otherwise specifically indicated, all ratios and share data
relating to Sovereign and all share price and exchange ratio information under
the Merger Agreement have been adjusted to reflect Sovereign's 6-for-5 stock
split effected on April 15, 1998 (the "Stock Split").
 
THE COMPANIES
 
  Sovereign
 
     Sovereign, a Pennsylvania business corporation, is the holding company for
Sovereign Bank, a federal savings bank ("Sovereign Bank"). At March 31, 1998,
Sovereign and its subsidiaries had total consolidated assets, deposits and
shareholders' equity of approximately $18.1 billion, $9.2 billion and $987.3
million, respectively. The primary operating entity of Sovereign is Sovereign
Bank. Sovereign Bank's primary business consists of attracting deposits from its
network of approximately 190 community banking offices, and originating
commercial, consumer and residential mortgage loans and home equity lines of
credit in the communities served by those offices. Those offices are located
largely in the Pennsylvania counties of Berks, Lancaster, Bucks, Montgomery,
Philadelphia, Lehigh and Northampton, the New Jersey counties of Essex, Mercer,
Middlesex, Monmouth, Morris, Ocean and Union, and in New Castle County in
Delaware.
 
     The principal executive offices of Sovereign are located at 1130 Berkshire
Boulevard, Wyomissing, Pennsylvania 19610, and its telephone number is (610)
320-8400. For further information concerning Sovereign and its subsidiaries, see
"AVAILABLE INFORMATION," "INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE,"
"SOVEREIGN SELECTED FINANCIAL DATA," "INFORMATION WITH RESPECT TO SOVEREIGN" and
"DESCRIPTION OF SOVEREIGN CAPITAL SECURITIES."
 
  Carnegie
 
   
     Carnegie, a New Jersey corporation, is the holding company for Carnegie
Bank, N.A., a national banking association ("Carnegie Bank"). At March 31, 1998,
Carnegie had total consolidated assets, deposits and shareholders' equity of
approximately $423.5 million, $317.2 million and $35.7 million, respectively.
The sole active subsidiary of Carnegie is Carnegie Bank, which has 8 branches
located in Burlington, Hunterdon, Mercer, Morris, Ocean and Somerset Counties,
New Jersey and Bucks County, Pennsylvania. Carnegie Bank is principally engaged
in the business of taking deposits and making primarily commercial loans,
commercial mortgages, loans to professionals, and to a lesser extent,
residential mortgage loans.
    
 
   
     The principal executive offices of Carnegie are located at 619 Alexander
Road, Princeton, New Jersey 08540 and its telephone number is (609) 243-7500.
For additional information concerning Carnegie, see "AVAILABLE INFORMATION,"
"INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE," "SELECTED FINANCIAL DATA --
CARNEGIE SELECTED FINANCIAL DATA" and "INFORMATION WITH RESPECT TO CARNEGIE."
    
 
                                       3
<PAGE>

THE ANNUAL MEETING
 
  General
 
   
     The Annual Meeting will be held at the main office of Carnegie Bank located
at 619 Alexander Road, Princeton, New Jersey 08540 at 4:00 p.m., local time, on
July 30, 1998.
    
 
  Record Date
 
   
     The record date for the Annual Meeting is June 22, 1998 (the "Record
Date"). Only shareholders of record at the close of business on the Record Date
will be entitled to receive notice of, and to vote at, the Annual Meeting.
    
 
  Matters to be Considered at the Annual Meeting
 
     At the Annual Meeting, holders of Carnegie Common Stock will consider and
vote upon a proposal to approve and adopt the Merger Agreement attached as Annex
A to this Proxy Statement/Prospectus and incorporated herein by reference. In
addition, to account for the possibility that the Merger Agreement will not be
approved by the Shareholders of Carnegie or that the Merger will not be
consummated for any other reason, shareholders of Carnegie are being asked to
(1) vote on the election of nine (9) directors of Carnegie to hold office until
the next annual meeting of shareholders and until their successors are duly
elected and qualified (the "Election Proposal"); and (2) approve a proposal to
adjourn the Annual Meeting, if necessary, to permit further solicitation of
proxies in the event there are not sufficient votes at the Annual Meeting to
approve the Merger Agreement (the "Adjournment Proposal"). The vote on the
Election Proposal will only be given effect if the Merger Agreement is not
approved or the Merger is not otherwise consummated. Shareholders will also
consider and vote upon any other matter that may properly come before the Annual
Meeting.
 
     See "THE ANNUAL MEETING -- Matters to be Considered at the Annual Meeting."
 
  Votes Required
 
   
     Shareholders entitled to cast at least a majority of the votes which all
shareholders are entitled to cast on the Record Date must be represented in
person or by proxy at the Annual Meeting for a quorum to be present for purposes
of voting on the Merger Agreement and on the Adjournment and Election Proposals.
The approval and adoption of the Merger Agreement and the approval of the
Adjournment Proposal will each require the affirmative vote of a majority of the
votes cast, in person or by proxy, at the Annual Meeting. With respect to the
Election Proposal, which will only be given effect if the Merger Agreement is
not approved by the shareholders of Carnegie or if the Merger is not otherwise
consummated, the directors of Carnegie will be elected by a plurality of the
votes cast by shareholders of Carnegie present at the Annual Meeting in person
or represented by proxy. Each holder of shares of Carnegie Common Stock
outstanding on the Record Date will be entitled to one vote for each share held
of record on each matter to be considered at the Annual Meeting.
    
 
   
     The directors and executive officers of Carnegie have agreed to vote all
shares of Carnegie Common Stock that they own on the Record Date in favor of the
approval and adoption of the Merger Agreement. On the Record Date, directors and
executive officers of Carnegie owned approximately 178,551 shares of Carnegie
Common Stock, or approximately 6.5% of the then outstanding shares of Carnegie
Common Stock. Except for John Hancock Advisers, Inc. which owns 5.0% of the
outstanding common stock of Carnegie based upon a recently filed Schedule 13G,
management of Carnegie is not aware of any person or entity owning 5% or more of
the outstanding shares of Carnegie Common Stock as of the Record Date.
    
 
     See "THE ANNUAL MEETING -- Votes Required."
 
                                       4
<PAGE>

THE MERGER
 
  Principal Terms of the Merger
 
     At the Effective Date of the Merger, each outstanding share of Carnegie
Common Stock (other than Excluded Shares) will be automatically converted into,
and become a right to receive, such number of shares of Sovereign Common Stock
as shall equal $35.50 divided by the average of the last reported sales prices
of a share of Sovereign Common Stock (as reported on the Nasdaq Stock Market
National Market) for the 15 consecutive trading days immediately preceding the
Effective Date (the "Sovereign Market Value"), provided that such Sovereign
Market Value as of the Effective Date is greater than or equal to $15.00 per
share and less than or equal to $18.33 per share. If, however, the Sovereign
Market Value as of the Effective Date is less than $15.00 per share or greater
than $18.33 per share, shareholders of Carnegie will be entitled to receive a
fixed number of shares of Sovereign Common Stock as follows:
 
   
          (i) If, as of the Effective Date, the Sovereign Market Value is less
     than $15.00 per share, each outstanding share of Carnegie Common Stock
     (other than Excluded Shares) will be converted into and become a right to
     receive 2.367 shares of Sovereign Common Stock.
    
 
          (ii) If, as of the Effective Date, the Sovereign Market Value is
     greater than $18.33 per share, each outstanding share of Carnegie Common
     Stock (other than Excluded Shares) will be converted into and become a
     right to receive 1.937 shares of Sovereign Common Stock.
 
   
     In addition, Carnegie may elect to terminate the Merger Agreement if (i)
the Sovereign Market Value as of the date immediately preceding the Effective
Date is less than $12.06 (as adjusted to reflect the Stock Split) and (ii) the
weighted average prices of a comparable group of nine thrift holding companies
have not declined since the date of the Merger Agreement by an amount specified
therein. However, Sovereign may override Carnegie's termination election by
increasing the number of shares issuable in exchange for each share of Carnegie
Common Stock from 2.367 shares to such number of shares of Sovereign Common
Stock as shall have an aggregate value of $28.53 based on the Sovereign Market
Value as of the date immediately preceding the Effective Date. See "THE MERGER
- --Termination; Effect of Termination."
    
 
     The number of shares of Sovereign Common Stock issuable in exchange for
shares of Carnegie Common Stock (as finally determined, the "Exchange Ratio")
accounts for the Stock Split. Further adjustments shall be made to prevent
dilution in the event of additional stock splits, reclassifications or other
similar events.
 
     Sovereign will pay cash to Carnegie shareholders in lieu of issuing
fractional shares of Sovereign Common Stock.
 
     In connection with the Merger, all outstanding options to purchase shares
of Carnegie Common Stock under Carnegie's preexisting employee and director
stock option plans will be converted on the Effective Date into options to
acquire that number of shares of Sovereign Common Stock equal to the number of
shares of Carnegie Common Stock covered by the option multiplied by the
applicable Exchange Ratio, and the exercise price for a whole share of Sovereign
Common Stock shall be the stated exercise price for such option divided by the
Exchange Ratio, such shares to be issuable upon exercise in accordance with the
terms of the respective plans and grant agreements of Carnegie under which they
were issued. See "THE MERGER -- Terms of the Merger" and "-- Accounting
Treatment."
 
   
     The Effective Date, which shall be the same date as the Closing Date, will
be designated by Sovereign and will occur within the twenty-five day period
following the fifth day on which all conditions precedent are fulfilled or
waived. See "THE MERGER -- Effective Date of the Merger."
    
 
     The Merger Agreement permits Carnegie to pay its regular quarterly cash
dividend in an amount not to exceed $.14 per share. See "THE MERGER --
Dividends."
 
                                       5
<PAGE>

     In connection with the Merger, Carnegie Bank will merge with and into
Sovereign Bank as soon as practicable following the Merger, pursuant to a Bank
Plan of Merger (the "Bank Plan of Merger") dated December 12, 1997 (the "Bank
Merger"). See "THE MERGER -- Subsidiary Bank Merger."
 
  No Dissenters' Rights of Appraisal
 
     Record holders of Carnegie Common Stock will not be entitled to dissenters'
rights enabling such holders to obtain a cash payment for the "fair value" of
their shares in connection with the matters to be acted on at the Annual
Meeting. See "THE MERGER -- No Dissenters' Rights of Appraisal" and "COMPARISON
OF SHAREHOLDER RIGHTS -- Dissenters' Rights."
 
  Accounting Treatment and Certain Federal Income Tax Consequences
 
   
     The Merger is intended to qualify as a pooling of interests for financial
accounting purposes and is expected to constitute a tax-free reorganization for
federal income tax purposes. It is a condition to completion of the Merger that
Sovereign receive an opinion from its independent auditors that the Merger will
be treated as a pooling of interests for financial accounting purposes and that
both parties receive an opinion from Sovereign's counsel that the Merger will
constitute a tax-free reorganization for federal income tax purposes. As of the
date of this Proxy Statement/Prospectus, Sovereign has no reason to believe that
its independent auditors or its counsel will be unable to deliver such opinions.
See "THE MERGER -- Certain Federal Income Tax Consequences," "-- Accounting
Treatment" and "-- Conditions to the Merger."
    
 
  Recommendation of Board of Directors and Reasons for the Merger
 
     The Board of Directors of Carnegie believes that the terms of the Merger
are fair and in the best interests of the shareholders of Carnegie and has
unanimously approved the Merger Agreement. The Board of Directors of Carnegie
unanimously recommends that the shareholders of Carnegie approve the Merger
Agreement.
 
  Opinion of Financial Advisor
 
   
     Janney Montgomery Scott Inc. ("JMS") has rendered its written opinion,
dated December 12, 1997, and updated as of the date of this Proxy
Statement/Prospectus, to the Board of Directors of Carnegie that, as of the
respective dates of such opinions, and subject to the assumptions and
considerations set forth therein, the consideration to be received is fair from
a financial point of view to the holders of Carnegie Common Stock. A copy of the
opinion of JMS, dated the date of this Proxy Statement/Prospectus, is attached
hereto as Annex C. First Colonial Securities Group, Inc. ("FCSG, Inc.") acted as
a co-adviser with respect to the Merger. Michael E. Golden, a vice-chairman of
the Board of Directors of Carnegie, is Chairman and CEO of FCSG, Inc.
    
 
   
     Carnegie has agreed to pay fees to JMS and FCSG, Inc. for their services in
connection with the Merger, a substantial portion of which is contingent upon
completion of the Merger.
    
 
   
     For information on the assumptions made, matters considered and limits of
the reviews by JMS, see "THE MERGER -- Fairness Opinion of Carnegie's Financial
Advisor."
    
 
  Conditions to the Merger; Regulatory Approvals
 
     The obligations of Sovereign and Carnegie to complete the Merger are
subject to various conditions usual and customary in transactions similar to the
Merger, including, without limitation, obtaining requisite regulatory approvals
and obtaining approval of the shareholders of Carnegie. Application has been
made to obtain required regulatory approvals. No assurance can be given that all
required approvals will be received or as to the timing or conditions of such
approvals. See "THE MERGER -- Regulatory Approvals." The obligation of Sovereign
to complete the Merger is also subject to certain other conditions, including,
among other things, receipt of an opinion from Sovereign's independent auditors
to the effect that the Merger will be treated as a pooling of interests
 
                                       6
<PAGE>

for financial accounting purposes. No assurances can be given that all such
conditions will be met. See "THE MERGER -- Conditions to the Merger."
 
  Termination; Effect of Termination
 
   
     The Merger Agreement may be terminated at any time prior to the Effective
Date by mutual consent of Sovereign and Carnegie or by either party if (i) the
other party breaches, in any material respect, any material covenant or
undertaking, representation or warranty contained in the Merger Agreement which
results in a Material Adverse Effect (as defined in the Merger Agreement) on the
breaching party, and such breach has not been substantially cured by the earlier
of (A) 30 days after the date written notice of such breach was given to such
party committing the breach or (B) the Effective Date, (ii) the closing date
(the "Closing Date," which, under the terms of the Merger Agreement is the same
date as the Effective Date) of the Merger shall not have occurred by September
30, 1998 unless the failure of such occurrence shall be due to the failure of
the party seeking to terminate the Merger Agreement to perform or observe any
agreements required to be performed by such party by the Closing Date or (iii)
either party receives a final unappealable administrative order from a
regulatory authority that the necessary approval will not be granted.
    
 
   
     In addition, Carnegie may terminate the Merger Agreement if both (a) the
Sovereign Market Value as of the date immediately preceding the Closing Date
(the "Determination Date") is less than $12.06 and (b) the quotient obtained by
dividing the Sovereign Market Value as of the Determination Date by $16.07
(being the closing sale price of Sovereign Common Stock immediately preceding
public announcement of the Merger) is less than (i) the quotient obtained by
dividing the weighted average closing price per share (the "Index Price") of the
common stocks of a group of nine specified thrift holding companies (the "Index
Group") as of the Determination Date by $31.76 (being the Index Price on
December 11, 1997) minus (ii) 0.15; provided, however, that if Carnegie elects
to terminate the Merger Agreement in accordance with these provisions, Sovereign
may nonetheless elect to override Carnegie's termination by increasing the
Exchange Ratio to an amount which equals the quotient obtained by dividing
$28.53 by the Sovereign Market Value as of the Determination Date.
    
 
     See "THE MERGER -- Termination; Effect of Termination."
 
  Comparison of Shareholder Rights
 
   
     Sovereign is a Pennsylvania corporation subject to the provisions of the
Pennsylvania Business Corporation Law of 1988, as amended (the "Pennsylvania
BCL"). Carnegie is a New Jersey corporation subject to the provisions of the New
Jersey Business Corporation Act (the "New Jersey BCA"). Upon completion of the
Merger, shareholders of Carnegie will become shareholders of Sovereign, and
their rights as such will be governed by Sovereign's Articles of Incorporation
and Bylaws and by the Pennsylvania BCL. The rights of shareholders of Sovereign
are different in certain respects from the rights of shareholders of Carnegie.
The most significant of these differences include the following: the absence of
the ability of shareholders of Sovereign to call an annual meeting of
shareholders (under New Jersey law, shareholders owning 10% or more of all
shares entitled to vote at a meeting may petition the court to order, for good
cause shown, a annual meeting of shareholders); broader indemnification rights
generally available to directors, officers and employees of Sovereign as a
Pennsylvania business corporation; the adoption by Sovereign of a shareholder
rights plan, pursuant to which holders of Sovereign Common Stock are entitled
under certain circumstances relating to an attempt to acquire control of
Sovereign to acquire Sovereign Common Stock or stock of a potential acquiror at
a substantially reduced price (Carnegie has not adopted a similar shareholder
rights plan); and certain statutory provisions of Pennsylvania law and of
Sovereign's Articles of Incorporation designed to deter a nonnegotiated attempt
to obtain control of Sovereign. See "COMPARISON OF SHAREHOLDER RIGHTS."
    
 
                                       7
<PAGE>

  Management and Operations after the Merger
 
     The Board of Directors and executive officers of Sovereign in office
immediately prior to completion of the Merger will remain as Sovereign's Board
of Directors and executive officers upon completion of the Merger. The Board of
Directors and executive officers of Sovereign Bank in office immediately prior
to completion of the Bank Merger will remain as Sovereign Bank's Board of
Directors and executive officers upon completion of the Bank Merger. See "THE
MERGER -- Subsidiary Bank Merger," and "-- Management and Operations after the
Merger."
 
  No Solicitation
 
     Carnegie has agreed in the Merger Agreement that, during the term of the
Merger Agreement, neither it nor any of its subsidiaries, affiliates or
representatives will solicit or engage in any discussions with any person other
than Sovereign concerning any acquisition of Carnegie or any of its
subsidiaries, except that (i) the Board of Directors of Carnegie may respond to
unsolicited inquiries from third parties to the extent required in order to
fulfill its fiduciary duty and (ii) Carnegie may respond to inquiries from
analysts, regulatory authorities and shareholders in the ordinary course of
business. See "THE MERGER -- No Solicitation of Transactions."
 
  Exchange of Certificates
 
     After the Effective Date, Sovereign will send to Carnegie shareholders
transmittal materials for use in effecting the exchange of their certificates
representing whole shares of Carnegie Common Stock for certificates representing
shares of Sovereign Common Stock. Sovereign will pay holders of Carnegie Common
Stock cash in lieu of issuing fractional shares of Sovereign Common Stock. See
"THE MERGER -- Exchange of Carnegie Stock Certificates."
 
CERTAIN RELATED TRANSACTIONS
 
     As a condition to Sovereign entering into the Merger Agreement, Carnegie
granted Sovereign an option under certain circumstances to purchase up to
543,888 shares of Carnegie Common Stock pursuant to a Stock Option Agreement,
dated December 12, 1997 (the "Stock Option Agreement"), a copy of which is
included as Annex B to this Proxy Statement/Prospectus. The option may be
exercised by Sovereign only upon the occurrence of specified events that have
the potential for a third party to effect an acquisition of control of Carnegie
prior to the termination of the Merger Agreement. The exercise price per share
to purchase Carnegie Common Stock under the Stock Option Agreement is equal to
the lower of $31.00 or the lowest price per share that a person or group, other
than Sovereign or an affiliate of Sovereign, paid or offers to pay for Carnegie
Common Stock upon the occurrence of one of the specified events that triggers
the ability of Sovereign to exercise the option. None of such triggering events
has occurred as of the date hereof. Acquisitions of shares of Carnegie Common
Stock pursuant to an exercise of the option would be subject to prior regulatory
approval under certain circumstances. See "CERTAIN RELATED TRANSACTIONS -- Stock
Option Agreement."
 
     The directors and executive officers of Carnegie have agreed not to sell
their shares of Carnegie Common Stock and to vote such Carnegie Common Stock in
favor of the Merger Agreement. See "THE MERGER -- Matters to be Considered at
the Meeting."
 
     The Stock Option Agreement and the agreements of Carnegie's directors and
executive officers to vote in favor of the Merger may have the effect of
precluding or discouraging persons who might now or prior to the Effective Date
be interested in acquiring all of or a significant interest in Carnegie from
considering or proposing such an acquisition, even if such persons were prepared
to pay a higher price per share for Carnegie Common Stock than the price per
share being paid by Sovereign under the Merger Agreement, or might result in a
potential acquiror proposing to pay a lower price per share to acquire Carnegie
than it might otherwise have proposed to pay. See "CERTAIN RELATED TRANSACTIONS
- -- Stock Option Agreement."
 
                                       8
<PAGE>

INTERESTS OF CERTAIN PERSONS IN THE MERGER
 
     Certain directors and executive officers of Carnegie are the holders of
stock options to acquire Carnegie Common Stock, which will be converted into
options to acquire Sovereign Common Stock.
 
   
     Mr. Bruce A. Mahon, the Chairman of the Board of Carnegie, is a party to a
consulting agreement with Carnegie which provides, among other things, that upon
his voluntary or involuntary termination of service following a "change in
control" of Carnegie (which would include the Merger) he would be entitled to
receive his base salary and bonuses for a period of 30 months after such
termination. Mr. Mahon has indicated his intention to terminate his service upon
the Effective Date. Sovereign has agreed that Mr. Mahon shall be paid his
termination benefits under his agreement calculated as though a change in
control had occurred on June 30, 1998. Accordingly, in connection with the
consummation of the Merger, Mr. Mahon will receive payments, including the value
of non-cash benefits, having a present value of approximately $216,019 under his
agreement. See "INTERESTS OF CERTAIN PERSONS IN THE MERGER -- Employment and
Other Agreements."
    
 
   
     Mr. Thomas L. Gray, Jr., the President and Chief Executive Officer of
Carnegie, is a party to an employment agreement with Carnegie which provides,
among other things, that upon his voluntary or involuntary termination of
employment following a "change in control" of Carnegie (which would include the
Merger) he would be entitled to receive his base salary and bonuses for a period
of 30 months after such termination. Mr. Gray has indicated his intention to
terminate his employment upon the Effective Date. Sovereign has agreed that Mr.
Gray shall be paid his termination benefits under his employment agreement
calculated as though a change in control had occurred on June 30, 1998.
Accordingly, in connection with consummation of the Merger, Mr. Gray will
receive payments, including the value of non-cash benefits, having a present
value of approximately $1,123,565 under his employment agreement. See "INTERESTS
OF CERTAIN PERSONS IN THE MERGER -- Employment and Other Agreements."
    
 
   
     Mr. Mark A. Wolters, the Executive Vice President of Carnegie, is a party
to an employment agreement with Carnegie which provides, among other things,
that upon his voluntary or involuntary termination of employment following a
"change in control" of Carnegie (which would include the Merger) he would be
entitled to receive his base salary and bonuses for a period of 18 months after
such termination. Mr. Wolters has indicated his intention to terminate his
employment upon the Effective Date. Sovereign has agreed that Mr. Wolters shall
be paid his termination benefits under his employment agreement calculated as
though a change in control had occurred on June 30, 1998. Accordingly, in
connection with the consummation of the Merger, Mr. Wolters will receive
payments, including the value of non-cash benefits, having a present value of
approximately $308,663, under his employment agreement. See "INTERESTS OF
CERTAIN PERSONS IN THE MERGER -- Employment and Other Agreements."
    
 
   
     In the Merger Agreement, Sovereign has agreed that Mr. Richard Rosa, Senior
Vice President and Chief Financial Officer of Carnegie, will be entitled to six
months of base salary which by agreement includes an allowance for car expenses,
medical and dental benefits, and prorated bonus (based on his 1997 bonus), as
severance pay in the event Mr. Rosa's employment is terminated in connection
with the Merger within three months of the Effective Date, either because his
position is eliminated or he is not offered employment for a position of
generally similar job description or responsibilities in a location within 30
miles of his present work location. Assuming a change in control occurred on
June 30, 1998, followed by Mr. Rosa's termination of employment, he would
receive payments, including the value of non-cash benefits, having a present
value of approximately $61,183. See "INTERESTS OF CERTAIN PERSONS IN THE MERGER
- -- Employment and Other Agreements."
    
 
     Also, Sovereign has agreed to indemnify, after the Effective Date, persons
who served as directors and officers of Carnegie and Carnegie Bank. See "THE
MERGER -- Management and Operations After the Merger" and "INTERESTS OF CERTAIN
PERSONS IN THE MERGER."
 
                                       9
<PAGE>

COMPARATIVE PER COMMON SHARE DATA
 
   
     The following table sets forth certain unaudited comparative per share data
relating to book value per common share, cash dividends declared per common
share and income from continuing operations per common share (i) on an
historical basis for Sovereign and Carnegie, (ii) on a pro forma basis per share
of Sovereign Common Stock to reflect completion of the Merger, and (iii) on an
equivalent pro forma basis per share of Carnegie Common Stock to reflect
completion of the Merger, assuming the Merger was effective for the periods
presented. The pro forma information has been prepared giving effect to the
Merger using the pooling of interests accounting method. For a description of
the effect of pooling of interests accounting, see "THE MERGER -- Accounting
Treatment." The following equivalent per share data assume an Exchange Ratio of
2.081 shares of Sovereign Common Stock for each share of Carnegie Common Stock
(the applicable Exchange Ratio assuming the Sovereign Market Value as of the
Effective Date is equal to the Sovereign Market Value of $17.06 as of June 22,
1998). The Exchange Ratio is subject to adjustment based on the actual Sovereign
Market Value as of the Effective Date. See "THE MERGER -- Terms of the Merger."
This information should be read in conjunction with the consolidated financial
statements of Sovereign and Carnegie, including the notes thereto, incorporated
by reference in this Proxy Statement/Prospectus, and the other financial data
appearing elsewhere in this Proxy Statement/Prospectus. See "INCORPORATION OF
CERTAIN DOCUMENTS BY REFERENCE," "AVAILABLE INFORMATION" and "PRO FORMA COMBINED
FINANCIAL INFORMATION."
    
 
   
<TABLE>
<CAPTION>
                                                                   AT             AT
                                                               MARCH 31,     DECEMBER 31,
                                                                  1998           1997
                                                               ---------     ------------
<S>                                                           <C>            <C>
BOOK VALUE PER COMMON SHARE:
 
Historical(1):
  Sovereign.................................................     $ 6.70         $ 6.70
  Carnegie..................................................      12.97          12.80
Pro Forma(2):
  Pro forma per share of Sovereign Common Stock.............       6.69           6.68
  Equivalent pro forma per share of Carnegie Common Stock...      13.92          13.90
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                                             FOR THE
                                                           THREE MONTHS        FOR THE YEAR ENDED
                                                              ENDED               DECEMBER 31,
                                                            MARCH 31,     ----------------------------
                                                               1998           1997       1996    1995
                                                           ------------   ------------   -----   -----
<S>                                                        <C>            <C>            <C>     <C>
CASH DIVIDENDS PAID PER COMMON SHARE:
 
Historical(1):
  Sovereign..............................................     $0.02          $0.10       $0.13   $0.11
  Carnegie...............................................      0.14           0.56        0.49    0.48
Pro Forma(3):
  Pro forma per share of Sovereign Common Stock..........      0.02           0.10        0.13    0.11
  Equivalent pro forma per share of Carnegie Common
    Stock................................................      0.04           0.21        0.28    0.24
 
INCOME FROM CONTINUING OPERATIONS PER COMMON SHARE:
 
Basic Earnings per Share:
Historical(1):
  Sovereign..............................................      0.09           0.69        0.62    0.68
  Carnegie...............................................      0.31           1.55        1.10    1.11
Pro Forma(4):
  Pro forma per share of Sovereign Common Stock..........      0.09           0.69        0.62    0.67
  Equivalent pro forma per share of Carnegie Common
    Stock................................................      0.19           1.44        1.29    1.39
Diluted Earnings Per Share:
Historical:
  Sovereign..............................................      0.09           0.65        0.59    0.65
  Carnegie...............................................      0.30           1.42        1.00    1.08
Pro Forma:
  Pro forma per share of Sovereign Common Stock..........      0.09           0.65        0.58    0.65
  Equivalent pro forma per share of Carnegie Common
    Stock................................................      0.19           1.35        1.21    1.35
</TABLE>
    
 
                                       10
<PAGE>

- ------------------
(1) Sovereign historical information includes the effect of Sovereign's
    acquisition of ML Bancorp, Inc. on February 27, 1998, but does not include
    the effect of Sovereign's pending acquisition of First Home Bancorp Inc. See
    "Recent Developments."
 
   
(2) Pro forma book value per share of Sovereign Common Stock was calculated by
    dividing total pro forma combined shareholders' equity amounts as of the
    applicable date by the sum of (i) the total shares of Sovereign Common Stock
    outstanding as of the applicable date (132,925,323 shares as of March 31,
    1998 and 130,835,695 shares as of December 31, 1997) plus the additional
    amount of shares that were issued due to conversion of Sovereign's
    outstanding 6 1/4% Cumulative Convertible Preferred Stock, Series B ("Series
    B Preferred Stock"), (14,336,513 shares as of March 31, 1998 and 14,342,621
    shares as of December 31, 1997), and (ii) the total of 2,753,261 shares of
    Carnegie Common Stock outstanding as of March 31, 1998 multiplied by an
    Exchange Ratio of 2.081 shares of Sovereign Common Stock for each share of
    Carnegie Common Stock (the applicable Exchange Ratio assuming the Sovereign
    Market Value as of the Effective Date is equal to the Sovereign Market Value
    of $17.06 as of June 22, 1998). Equivalent pro forma book value per share of
    Carnegie Common Stock represents the pro forma book value per share of
    Sovereign Common Stock multiplied by an Exchange Ratio of 2.081 (the
    applicable Exchange Ratio assuming the Sovereign Market Value as of the
    Effective Date is equal to the Sovereign Market Value of $17.06 as of June
    22, 1998). The Exchange Ratio is subject to adjustment based on the actual
    Sovereign Market Value as of the Effective Date. See "THE MERGER -- Terms of
    the Merger."
    
 
   
(3) Sovereign pro forma dividends per share represent historical dividends paid
    by Sovereign. Carnegie pro forma equivalent dividends per share represent
    such amounts multiplied by an Exchange Ratio of 2.081 shares of Sovereign
    Common Stock for each share of Carnegie Common Stock (the applicable
    Exchange Ratio assuming the Sovereign Market Value as of the Effective Date
    is equal to the Sovereign Market Value of $17.06 as of June 22, 1998). The
    Exchange Ratio is subject to adjustment based on the actual Sovereign Market
    Value as of the Effective Date. See "THE MERGER -- Terms of the Merger."
    
 
   
(4) Sovereign pro forma income from continuing operations per basic common share
    represents historical net income from continuing operations for Sovereign
    and Carnegie combined on the assumption that Sovereign and Carnegie had been
    combined for the periods presented on a pooling of interests basis, divided
    by the number of shares of Sovereign Common Stock which will be issued and
    outstanding following completion of the Merger based on an Exchange Ratio of
    2.081 shares of Sovereign Common Stock for each share of Carnegie Common
    Stock (the applicable Exchange Ratio assuming the Sovereign Market Value as
    of the Effective Date is equal to the Sovereign Market Value of $17.06 as of
    June 22, 1998). Carnegie equivalent pro forma income from continuing
    operations per basic common share represents such amounts multiplied by an
    Exchange Ratio of 2.081 shares of Sovereign Common Stock for each share of
    Carnegie Common Stock (the applicable Exchange Ratio assuming the Sovereign
    Market Value as of the Effective Date is equal to the Sovereign Market Value
    of $17.06 as of June 22, 1998). Sovereign's pro forma income from continuing
    operations per diluted common share and Carnegie's equivalent pro forma
    income from continuing operations per diluted common share includes the
    effects of conversion of Sovereign's Series B Preferred Stock and the
    effects of presently exercisable stock options (1,507,095 for Sovereign and
    309,191 for Carnegie). The Exchange Ratio is subject to adjustment based on
    the actual Sovereign Market Value as of the Effective Date. See "THE MERGER
    -- Terms of the Merger."
    
 
   
MARKET VALUE OF SECURITIES
    
 
   
     The following table sets forth the market value per share of Sovereign
Common Stock, the market value per share of Carnegie Common Stock and the
equivalent market value per share of Carnegie Common Stock on December 11, 1997
(the last business day preceding public announcement of the Merger) and June 22,
1998 (the latest practicable trading day before the printing of this Proxy
Statement/Prospectus). The equivalent market value per share of Carnegie Common
Stock indicated in the table (i) at December 11, 1997 is based on an Exchange
Ratio of 1.981 shares of Sovereign Common Stock for each share of Carnegie
Common Stock (the applicable Exchange Ratio assuming the Sovereign Market Value
as of the Effective Date is equal to the Sovereign Market Value of $17.92 as of
December 11, 1997) and (ii) at June 22, 1998 is based on an Exchange Ratio of
2.081 shares of Sovereign Common Stock for each share of Carnegie Common Stock
(the applicable Exchange Ratio assuming the Sovereign Market Value as of the
Effective Date is equal to the Sovereign Market Value of $17.06 as of June 22,
1998). The Exchange Ratio is subject to adjustment based on the Sovereign Market
Value as of the Effective Date. See "THE MERGER -- Terms of the Merger."
    
 
                                       11
<PAGE>

   
     The historical market values per share of Sovereign Common Stock and
Carnegie Common Stock and the historical market value of Sovereign Common Stock
used to determine the equivalent market value per share of Carnegie Common Stock
are the per share last sale prices on December 11, 1997, and June 22, 1998,
respectively, as reported on the Nasdaq Stock Market National Market with
respect to both Sovereign Common Stock and Carnegie Common Stock.
    
 
   
<TABLE>
<CAPTION>
                                                      SOVEREIGN                 CARNEGIE
                                                      ----------      ----------------------------
                                                                                       EQUIVALENT
                                                                                      MARKET VALUE
                                                      HISTORICAL      HISTORICAL       PER SHARE
                                                      ----------      ----------      ------------
<S>                                                   <C>             <C>             <C>            <C>
December 11, 1997...............................        $17.92(1)       $30.00           $35.50(2)
June 22, 1998...................................         17.05           35.00            35.50(3)
</TABLE>
    
 
- ------------------
   
(1) As adjusted for the Stock Split.
    
   
(2) Based on assumed Exchange Ratio of 1.981.
    
   
(3) Based on assumed Exchange Ratio of 2.081.
    
 
     For information concerning cash dividends paid by Sovereign, see
"INFORMATION WITH RESPECT TO SOVEREIGN -- Market Price of and Dividends on
Sovereign Common Stock and Related Shareholder Matters."
 
RECENT DEVELOPMENTS
 
     Proposed Acquisition of First Home Bancorp Inc.  On December 18, 1997,
Sovereign and First Home Bancorp Inc. ("First Home"), parent company of First
Home Savings Bank, F.S.B. ("First Home Bank"), entered into an Agreement and
Plan of Merger (the "First Home Agreement") pursuant to which First Home agreed
to merge with and into Sovereign. First Home is a thrift holding company
headquartered in Pennsville, New Jersey. First Home Bank operates eight
community banking offices in southern New Jersey and two community banking
offices in Delaware. At December 31, 1997, First Home had total unaudited
consolidated assets, deposits and shareholders' equity of approximately $537.8
million, $326.0 million and $37.4 million, respectively. The terms of the First
Home Agreement call for Sovereign to exchange $31.25 in Sovereign Common Stock
for each outstanding share of First Home common stock or approximately $85
million in Sovereign Common Stock based on 2,708,426 shares of First Home common
stock outstanding.
 
     Acquisition of ML Bancorp, Inc.  On February 27, 1998, Sovereign acquired
ML Bancorp, Inc. ("ML Bancorp"), a Pennsylvania corporation, pursuant to which
ML Bancorp merged with and into Sovereign, with Sovereign surviving the merger.
On the effective date of the merger, each outstanding share of ML Bancorp common
stock was automatically converted into 1.944 shares of Sovereign Common Stock
(as adjusted for the Stock Split). The merger was treated as a pooling of
interests for financial accounting purposes. As part of the ML Bancorp merger,
Main Line Bank, a federal savings bank and a wholly-owned subsidiary of ML
Bancorp, was merged with and into Sovereign Bank. Sovereign issued a total
24,600,000 shares of Sovereign common stock in the ML Bancorp transaction.
 
   
     Redemption of Series B Preferred Stock.  On April 15, 1998, Sovereign
announced that it would redeem all outstanding shares of its 6 1/4% Cumulative
Convertible Preferred Stock, Series B ("Series B Preferred Stock") on May 15,
1998. Substantially, all holders of the Series B Preferred Stock converted their
stock to Sovereign Common Stock on or prior to the redemption date. Sovereign
issued 14,361,954 shares of Sovereign Common Stock upon conversion of
outstanding shares of Series B Preferred Stock.
    
 
   
     Acquisition of First Union Corporation/CoreStates Bank, N.A. Assets.  On
April 27, 1998, Sovereign announced that it had agreed to acquire 95 branch
offices, approximately $2.3 billion in associated deposits and approximately
$800 million in selected loans from CoreStates Bank, N.A. ("CoreStates") for a
purchase price of $318 million. The branches are located in 20 counties in
Pennsylvania, including 23 branches in the Philadelphia area, nine branches in
the Lehigh Valley and 42 branches in central and north-central Pennsylvania, and
nine counties in New Jersey. The transaction will be accounted for as a purchase
and is expected to close in the third quarter of 1998.
    
 
                                       12
<PAGE>

                            SELECTED FINANCIAL DATA

   
    The following tables set forth (i) certain historical consolidated summary
financial data for Sovereign and (ii) certain historical consolidated summary
financial data for Carnegie. These data are derived from, and should be read in
conjunction with, among other things, the consolidated financial statements of
Sovereign and Carnegie, including the notes thereto, incorporated by reference
in this Proxy Statement/Prospectus, and the pro forma combined financial
information, including the notes thereto, appearing elsewhere in this Proxy
Statement/Prospectus. See "INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE,"
"AVAILABLE INFORMATION" and "PRO FORMA COMBINED FINANCIAL INFORMATION."
    
 
                     SOVEREIGN SELECTED FINANCIAL DATA (1)
   
<TABLE>
<CAPTION>
                                         AT OR FOR THE THREE MONTH
                                          PERIOD ENDED MARCH 31,         AT OR FOR THE YEAR ENDED DECEMBER 31,
                                        ----------------------------   ------------------------------------------
                                           1998             1997          1997             1996          1995
                                        -----------      -----------   -----------      -----------   -----------
                                                      (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                     <C>              <C>           <C>              <C>           <C>
FINANCIAL CONDITION DATA
Total assets..........................  $18,096,121      $14,873,999   $16,685,771      $14,456,934   $12,378,978
Loans.................................   10,410,727        8,877,077    10,756,785        9,067,039     7,168,405
Allowance for possible loan losses....      111,908           73,288       110,251           67,422        62,199
Investment and mortgage-backed
  securities..........................    6,302,333        5,275,299     5,005,026        4,735,405     4,443,847
Deposits..............................    9,247,612        8,235,001     8,856,651        8,068,203     8,068,720
Borrowings............................    7,159,562        5,400,209     6,630,089        5,410,536     3,399,231
Shareholders' equity..................      987,254          847,762       975,186          833,364       791,836

INCOME STATEMENT DATA
Total interest income.................  $   305,761      $   255,445   $ 1,107,395      $   955,912   $   787,066
Total interest expense................      193,162          161,294       706,978          597,612       491,047
                                        -----------      -----------   -----------      -----------   -----------
Net interest income...................      112,599           94,151       400,417          358,300       296,019
Provision for possible loan losses....        6,500           10,900        40,279           20,676        12,150
                                        -----------      -----------   -----------      -----------   -----------
Net interest income after provision
  for possible loan losses............      106,099           83,251       360,138          337,624       283,869
Other income..........................       22,300           12,314        56,472           61,175        40,106
Other expenses........................      106,225           61,454       259,322          269,509       184,319
                                        -----------      -----------   -----------      -----------   -----------
Income before income taxes and
  cumulative effect of change in
  accounting principle................       22,174           34,111       157,288          129,290       139,656
Income tax provision..................        9,147           14,037        63,100           45,341        47,626
                                        -----------      -----------   -----------      -----------   -----------
Income before cumulative effect of
  change in accounting principle......       13,027           20,074        94,188           83,949        92,030
Cumulative effect of change in
  accounting principle................           --               --            --               --            --
                                        -----------      -----------   -----------      -----------   -----------
Net income............................  $    13,027      $    20,074   $    94,188      $    83,949   $    92,030
                                        -----------      -----------   -----------      -----------   -----------
                                        -----------      -----------   -----------      -----------   -----------
Net income applicable to common
  stock...............................  $    11,468      $    18,512   $    87,944      $    77,699   $    87,342
                                        -----------      -----------   -----------      -----------   -----------
                                        -----------      -----------   -----------      -----------   -----------
PER SHARE DATA (2)
Common shares outstanding at end of
  period (in thousands)...............      132,925          125,988       130,836          125,258       122,399
Preferred shares outstanding at end of
  period (in thousands)...............        1,996            2,000         1,996            2,000         2,000
Basic earnings per share:
  Before cumulative effect of change
    in accounting principle...........  $      0.09      $      0.15   $      0.69      $      0.62   $      0.68
  After cumulative effect of change in
    accounting principle..............         0.09             0.15          0.69             0.62          0.68
Diluted earnings per share:
  Before cumulative effect of change
    in accounting principle...........         0.09             0.14          0.65             0.59          0.65
  After cumulative effect of change in
    accounting principle..............         0.09             0.14          0.65             0.59          0.65
Book value per share at end of period
  (3).................................         6.70             6.04          6.70             5.97          5.79
Common share price at end of period...           18-3/16          10            17-5/16           9-1/8         6-11/16
Dividends paid per common share.......        0.017            0.036         0.103            0.134         0.113
Selected Financial Ratios
Dividend payout ratio.................        18.89%           25.71%        15.85%           22.71%        17.38%
Return on average assets..............         0.76             0.76          0.60             0.62          0.82
Return on average stockholders'
  equity..............................        13.37            13.13         10.62            10.22         12.47
Equity to assets......................         5.46             5.70          5.83             5.76          6.40
 
<CAPTION>
 
                                        AT OR FOR THE YEAR ENDED DECEMBER 31,
                                        ------------------------
                                           1994          1993
                                        -----------   ----------
                                        (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                     <C>           <C>
FINANCIAL CONDITION DATA
Total assets..........................  $10,437,443   $7,976,835
Loans.................................    6,588,692    4,668,423
Allowance for possible loan losses....       59,896       57,445
Investment and mortgage-backed
  securities..........................    3,367,758    2,858,846
Deposits..............................    6,648,538    5,670,639
Borrowings............................    3,020,632    1,698,365
Shareholders' equity..................      654,887      508,404

INCOME STATEMENT DATA
Total interest income.................  $   585,911   $  480,278
Total interest expense................      316,796      255,638
                                        -----------   ----------
Net interest income...................      269,115      224,640
Provision for possible loan losses....       13,362       14,243
                                        -----------   ----------
Net interest income after provision
  for possible loan losses............      255,753      210,397
Other income..........................       23,188       29,248
Other expenses........................      153,482      135,635
                                        -----------   ----------
Income before income taxes and
  cumulative effect of change in
  accounting principle................      125,459      104,010
Income tax provision..................       45,862       42,541
                                        -----------   ----------
Income before cumulative effect of
  change in accounting principle......       79,597       61,469
Cumulative effect of change in
  accounting principle................           --        4,800
                                        -----------   ----------
Net income............................  $    79,597   $   66,269
                                        -----------   ----------
                                        -----------   ----------
Net income applicable to common
  stock...............................  $    79,597   $   66,269
                                        -----------   ----------
                                        -----------   ----------
PER SHARE DATA (2)
Common shares outstanding at end of
  period (in thousands)...............      125,053       94,724
Preferred shares outstanding at end of
  period (in thousands)...............           --           --
Basic earnings per share:
  Before cumulative effect of change
    in accounting principle...........  $      0.60   $     0.58
  After cumulative effect of change in
    accounting principle..............         0.60         0.63
Diluted earnings per share:
  Before cumulative effect of change
    in accounting principle...........         0.58         0.56
  After cumulative effect of change in
    accounting principle..............         0.58         0.61
Book value per share at end of period
  (3).................................         5.24         5.37
Common share price at end of period...            4-7/8        7-1/2
Dividends paid per common share.......        0.083        0.079
Selected Financial Ratios
Dividend payout ratio.................        14.31%       13.04%
Return on average assets..............         0.88         0.89
Return on average stockholders'
  equity..............................        13.47        13.63
Equity to assets......................         6.27         6.37
</TABLE>
    
 
- ------------------
(1) All selected financial data have been restated to reflect all acquisitions
    which have been accounted for under the pooling-of-interests method of
    accounting, including the acquisition of ML Bancorp on February 27, 1998.
(2) All per share data have been adjusted to reflect all stock dividends and
    stock splits declared or effected through the date of this Proxy
    Statement/Prospectus.
(3) Book Value is calculated using equity divided by common shares and assuming
    conversion of all outstanding shares of Series B Preferred Stock. As of the
    date of this Proxy Statement/Prospectus, the conversion rate for Sovereign's
    Series B Preferred Stock is 7.184 shares of Sovereign Common Stock for each
    share of Series B Preferred Stock.
 
                                       13
<PAGE>

                        CARNEGIE SELECTED FINANCIAL DATA
 
   
<TABLE>
<CAPTION>
                                   AT OR FOR THE THREE
                                   MONTH PERIOD ENDED
                                        MARCH 31,                    AT OR FOR THE YEAR ENDED DECEMBER 31,
                                 -----------------------   --------------------------------------------------------------
                                    1998         1997         1997         1996         1995         1994         1993
                                 ----------   ----------   ----------   ----------   ----------   ----------   ----------
                                                      (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                              <C>          <C>          <C>          <C>          <C>          <C>          <C>
INCOME STATEMENT DATA
Interest income................  $    8,384   $    7,445   $   32,414   $   24,464   $   18,706   $   13,555   $    9,877
Interest expense...............       4,257        3,645       16,037       10,884        8,464        5,149        3,639
                                 ----------   ----------   ----------   ----------   ----------   ----------   ----------
Net interest income............       4,127        3,800       16,377       13,580       10,242        8,406        6,238
Provisions for loan losses.....         160          146          446        1,609          369          650          429
                                 ----------   ----------   ----------   ----------   ----------   ----------   ----------
Net interest income after
  provision for loan losses....       3,967        3,654       15,931       11,971        9,873        7,756        5,809
Non-interest income............         166          187        1,034        1,360          744          495          471
Non-interest expense...........       2,853        2,693       11,482       10,054        7,724        6,056        4,696
                                 ----------   ----------   ----------   ----------   ----------   ----------   ----------
Income before income taxes.....       1,280        1,148        5,483        3,277        2,893        2,195        1,584
Income tax expense.............         413          381        1,858        1,133          765          656          520
                                 ----------   ----------   ----------   ----------   ----------   ----------   ----------
Net income                       $      867   $      767   $    3,625   $    2,144   $    2,128   $    1,539   $    1,064
                                 ==========   ==========   ==========   ==========   ==========   ==========   ==========
PER SHARE DATA
Net income - basic.............  $     0.31   $     0.37   $     1.55   $     1.10   $     1.11   $     1.11   $     0.98
           - diluted...........        0.30         0.33         1.42         1.00         1.08         1.11         0.98
Cash dividends(1)..............        0.14         0.14         0.56         0.49         0.48         0.40         0.32
Book Value.....................       12.97        11.91        12.80        11.65        11.27         9.56         9.90
Weighted average shares
  outstanding:
           - primary...........   2,752,641    2,062,246    2,336,058    1,943,760    1,925,158    1,381,622    1,090,680
           - fully diluted.....   2,937,605    2,338,795    2,544,075    2,141,255    1,964,590    1,381,622    1,090,680
FINANCIAL CONDITION DATA
Total assets...................  $  423,541   $  382,663   $  431,886   $  343,357   $  250,562   $  195,654   $  154,363
Federal funds sold.............       1,000       18,425        1,725           --           --           --        2,350
Loans, net.....................     286,076      266,378      284,789      263,797      162,587      138,897      116,266
Investment securities..........     110,764       75,724      121,471       53,374       70,577       44,920       28,728
Deposits.......................     317,188      341,607      332,897      302,562      210,201      176,789      143,178
Stockholders' equity...........      35,710       24,771       35,224       23,742       21,794       18,056       10,798
Average equity to average total
  assets.......................        8.36%        6.87%        7.39%        7.75%        8.84%        7.67%        7.10%
PERFORMANCE RATIOS
Return on average assets.......        0.83%        0.88%        0.94%        0.75%        0.95%        0.87%        0.81%
Return on average stockholders'
  equity.......................        9.97%       12.82%       12.69%        9.68%       10.72%       11.39%       11.38%
Net interest margin(2).........        4.22%        4.64%        4.50%        5.11%        5.02%        5.16%        5.08%
Ratio of earnings to fixed
  charges(3)...................        1.29         1.31         1.34         1.29         1.33         1.42         1.42
ASSET QUALITY RATIOS
Allowance for loan losses to
  total loans..................        1.00%        1.03%        1.03%        1.00%        1.07%        1.00%        0.84%
Allowance for loan losses to
  non-accrual loans............       71.40%       55.36%       68.19%       79.74%       43.56%       67.80%       30.44%
Non-performing loans to total
  loans........................        1.40%        1.85%        1.51%        1.25%        2.45%        1.47%        2.75%
Non-performing assets to total
  assets.......................        1.12%        1.47%        1.12%        1.11%        1.61%        1.06%        2.09%
Net charge-offs (recoveries) to
  average loans................        0.08%        0.02%        0.06%        0.34%        0.01%        0.19%        0.28%
LIQUIDITY AND CAPITAL RATIOS
Dividend payout................       44.45%       37.64%       36.09%       44.42%       43.42%       35.91%       32.80%
Loans to deposits..............       91.10%       78.79%       86.44%       88.07%       78.18%       79.36%       81.89%
Tier I risk-based capital......       12.03%        9.01%       11.81%        8.81%       12.04%       14.06%        9.61%
Total risk-based capital.......       13.01%       10.01%       12.80%        9.79%       13.03%       15.06%       10.48%
Leverage capital...............        8.45%        7.07%        8.36%        7.20%        8.87%       10.47%        8.20%
</TABLE>
    
 
- ------------------
(1) Cash dividends per share have not been restated for stock dividends.
 
(2) Yields on tax-exempt obligations have been computed on a fully
    tax-equivalent basis, assuming a Federal income tax rate of 34%.
 
(3) The ratio of earnings to fixed charges is calculated by dividing income from
    continuing operations before fixed charges and income taxes ("earnings") by
    fixed charges. Fixed charges consist of interest expense and that portion of
    rental expense that Carnegie believes to be representative of interest.
 
                                       14
<PAGE>

                    PRO FORMA COMBINED FINANCIAL INFORMATION
 
   
     The following tables set forth selected unaudited pro forma financial data
reflecting the Merger (accounted for using the pooling of interests method of
accounting). The unaudited pro forma combined financial statements also give
effect to the acquisition by Sovereign of ML Bancorp, Inc., which was completed
on February 27, 1998, and Sovereign's proposed acquisition of First Home
Bancorp, Inc. which is pending and considered probable of completion. See
"SUMMARY -- Recent Developments" and "THE MERGER -- Accounting Treatment."
    
 
     NO ASSURANCE CAN BE GIVEN THAT ANY OF THE TRANSACTIONS INCLUDED IN THE
FOLLOWING PRO FORMA FINANCIAL INFORMATION NOT CLOSED ON THE DATE OF THIS PROXY
STATEMENT/PROSPECTUS WILL BE COMPLETED ON THE TERMS AND CONDITIONS DESCRIBED
HEREIN.
 
     THE PRO FORMA FINANCIAL INFORMATION DOES NOT NECESSARILY REFLECT WHAT THE
ACTUAL RESULTS OF SOVEREIGN WOULD BE FOLLOWING COMPLETION OF THE TRANSACTIONS
INCLUDED IN THE FOLLOWING PRO FORMA FINANCIAL INFORMATION.
 
   
     The pro forma information has been prepared based upon an Exchange Ratio of
2.081 shares of Sovereign Common Stock for each share of Carnegie Common Stock
outstanding (the applicable Exchange Ratio assuming the Sovereign Market Value
as of the Effective Date is equal to the Sovereign Market Value of $17.06 as of
June 22, 1998). The Exchange Ratio is subject to adjustment based on the actual
Sovereign Market Value as of the Effective Date. See "THE MERGER -- Terms of the
Merger."
    
 
     Sovereign expects to achieve certain cost savings principally through the
consolidation of certain back office and support functions and through
elimination of redundant costs. No assurance can be given that any cost savings
will be realized. The pro forma information does not reflect any of these
anticipated operating costs savings. See "THE MERGER -- Management and
Operations After the Merger."
 
PRO FORMA COMBINED CONDENSED CONSOLIDATED BALANCE SHEET AS OF MARCH 31, 1998
 
   
     The following unaudited pro forma combined condensed consolidated balance
sheet information combines the historical consolidated balance sheets of
Sovereign and Carnegie as of March 31, 1998. The Merger has been reflected as a
pooling of interests. Sovereign historical financial information has been
restated to include the effects of the acquisition of ML Bancorp on February 27,
1998, which was accounted for as a pooling of interests. Combined Sovereign and
Carnegie information also includes the effects of Sovereign's pending
acquisition of First Home, which will be accounted for a pooling of interests.
(The Merger and the First Home transaction are referred to collectively as the
"Transactions.") This pro forma information should be read in conjunction with
the historical consolidated financial statements of Sovereign and Carnegie,
including the notes thereto, incorporated by reference in this Proxy
Statement/Prospectus. See "INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE" and
"SUMMARY -- Recent Developments."
    
 
                                       15
<PAGE>

                        PRO FORMA COMBINED BALANCE SHEET
                              AS OF MARCH 31, 1998
                             (DOLLARS IN THOUSANDS)
 
   
<TABLE>
<CAPTION>
                                                                                                  SOVEREIGN
                                                                                                 FIRST HOME
                                                                                    PRO FORMA     CARNEGIE
                                              SOVEREIGN    FIRST HOME   CARNEGIE   ADJUSTMENTS    COMBINED
                                             -----------   ----------   --------   -----------   -----------
<S>                                          <C>           <C>          <C>        <C>           <C>
Cash and amounts due from depository
  institutions.............................  $   362,704    $  5,464    $ 17,960          --     $   386,128
Investment and mortgage-backed
  securities...............................    6,302,333     257,040     110,764          --       6,670,137
Loans......................................   10,704,728     278,724     288,967          --      11,272,419
Allowance for possible loan losses.........     (111,908)     (3,626)     (2,891)         --        (118,425)
Goodwill and other intangible assets.......      126,534         487          --          --         127,021
Other assets...............................      711,730       7,686       8,741          --         728,157
                                             -----------    --------    --------    --------     -----------
  Total assets.............................  $18,096,121    $545,775    $423,541          --     $19,065,437
                                             ===========    ========    ========    ========     ===========
Deposits...................................  $ 9,247,612    $328,249    $317,188          --     $ 9,893,049
Borrowings.................................    7,159,562     175,928      68,675          --       7,404,165
Other liabilities..........................      572,708       3,422       1,968          --         578,098
                                             -----------    --------    --------    --------     -----------
  Total liabilities........................   16,979,882     507,599     387,831          --      17,875,312
                                             -----------    --------    --------    --------     -----------
Trust Preferred Securities.................      128,985          --          --          --         128,985
Preferred Stock............................       96,235          --          --          --          96,235
Common Stock(1)............................      491,889       8,923      33,260          --         534,072
Unallocated common stock held by ESOP......      (31,194)         --          --          --         (31,194)
Treasury Stock.............................         (171)         --          --          --            (171)
Unrecognized gain on investments...........        8,969          82          26          --           9,077
Retained Earnings..........................      421,526      29,171       2,424          --         453,121
                                             -----------    --------    --------    --------     -----------
Total shareholders' equity.................      987,254      38,176      35,710          --       1,061,140
                                             -----------    --------    --------    --------     -----------
Total liabilities and shareholders'
  equity...................................  $18,096,121    $545,775    $423,541    $     --     $19,065,437
                                             ===========    ========    ========    ========     ===========
</TABLE>
    
 
- ------------------
(1) Sovereign Common Stock has no par value; accordingly, amounts shown include
    surplus.
 
                                       16
<PAGE>

PRO FORMA UNAUDITED COMBINED CONDENSED STATEMENTS OF INCOME FOR THE THREE MONTHS
ENDED MARCH 31, 1998, AND YEARS ENDED DECEMBER 31, 1997, 1996 AND 1995
 
   
     The following unaudited pro forma combined condensed consolidated
statements of income for the three months ended March 31, 1998, and the years
ended December 31, 1997, 1996, and 1995 give effect to the Transactions as if
they had occurred on January 1, 1998, 1997, 1996 and 1995, respectively. The
Transactions have been reflected as poolings of interests. This pro forma
information should be read in conjunction with the historical consolidated
financial statements of Sovereign and Carnegie, including the notes thereto,
incorporated by reference in this Proxy Statement/Prospectus. See "INCORPORATION
OF CERTAIN DOCUMENTS BY REFERENCE" and "SUMMARY -- Recent Developments."
    
 
   
                     PRO FORMA UNAUDITED COMBINED CONDENSED
                     INCOME STATEMENT FOR THE THREE MONTHS
                            ENDED MARCH 31, 1998(1)
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
    
 
   
<TABLE>
<CAPTION>
                                                                                             SOVEREIGN
                                                                                             FIRST HOME
                                                                                              CARNEGIE
                                                SOVEREIGN      FIRST HOME      CARNEGIE       COMBINED
                                                ---------      ----------      --------      ----------
<S>                                             <C>            <C>             <C>           <C>
Interest income...........................      $305,761         $9,967         $8,384        $324,112
Interest expense..........................       193,162          6,076          4,257         203,495
                                                --------         ------         ------        --------
Net interest income.......................       112,599          3,891          4,127         120,617
Provision for possible loan losses........         6,500            100            160           6,760
                                                --------         ------         ------        --------
Net interest income after provision for
  possible loan losses....................       106,099          3,791          3,967         113,857
                                                --------         ------         ------        --------
Other non-interest income.................        22,300            357            166          22,823
Non-interest expense......................       106,225          2,302          2,853         111,380
                                                --------         ------         ------        --------
Income before taxes.......................        22,174          1,846          1,280          25,300
Income taxes..............................         9,147            640            413          10,200
                                                --------         ------         ------        --------
Net income................................      $ 13,027         $1,206         $  867        $ 15,100
                                                ========         ======         ======        ========
Net income applicable to common stock.....      $ 11,468         $1,206         $  867        $ 13,541
                                                ========         ======         ======        ========
Basic earnings per share(2)...............      $   0.09         $ 0.45         $ 0.31        $   0.10
                                                ========         ======         ======        ========
Diluted earnings per share(2).............      $   0.09         $ 0.43         $ 0.30        $   0.09
                                                ========         ======         ======        ========
</TABLE>
    
 
- ------------------
   
(1) The unaudited pro forma financial information does not include any
    non-recurring material expenses for the Merger or the First Home
    acquisition. Sovereign currently estimates after-tax merger-related charges
    in the range of (i) $7.0 million to $8.0 million, or $.04 to $.05 per share,
    related to the Merger, expected to be taken in the third quarter of 1998 and
    (ii) $4.0 million to $5.0 million, or $.02 to $.03 per share, related to the
    First Home acquisition, expected to be taken in the third quarter of 1998.
    
 
   
(2) For Carnegie, based on a weighted average of shares outstanding equal to
    2,753 for basic earnings and 2,938 for earnings on a diluted basis.
    
 
                                       17
<PAGE>

            PRO FORMA UNAUDITED COMBINED CONDENSED INCOME STATEMENT
                    FOR THE YEAR ENDED DECEMBER 31, 1997(1)
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
   
<TABLE>
<CAPTION>
                                                                                           SOVEREIGN
                                                                                           FIRST HOME
                                                                                            CARNEGIE
                                             SOVEREIGN       FIRST HOME      CARNEGIE       COMBINED
                                             ----------      ----------      --------      ----------
<S>                                          <C>             <C>             <C>           <C>
Interest income........................      $1,107,395       $38,968        $32,414       $1,178,777
Interest expense.......................         706,978        23,680         16,037          746,695
                                             ----------       -------        -------       ----------
Net interest income....................         400,417        15,288         16,377          432,082
Provision for possible loan losses.....          40,279           400            446           41,125
                                             ----------       -------        -------       ----------
Net interest income after provision for
  possible loan losses.................         360,138        14,888         15,931          390,957
                                             ----------       -------        -------       ----------
Other non-interest income..............          56,472         1,333          1,034           58,839
Non-interest expense...................         259,322         9,127         11,482          279,931
                                             ----------       -------        -------       ----------
Income before taxes....................         157,288         7,094          5,483          169,865
Income taxes...........................          63,100         2,366          1,858           67,324
                                             ----------       -------        -------       ----------
Net income.............................      $   94,188       $ 4,728        $ 3,625       $  102,541
                                             ==========       =======        =======       ==========
Net income applicable to common
  stock................................      $   87,944       $ 4,728        $ 3,625       $   96,297
                                             ==========       =======        =======       ==========
Basic earnings per share(2)............      $     0.69       $  1.75        $  1.55       $     0.70
                                             ==========       =======        =======       ==========
Diluted earnings per share(2)..........      $     0.65       $  1.72        $  1.42       $     0.66
                                             ==========       =======        =======       ==========
</TABLE>
    
 
- ------------------
   
(1) The unaudited pro forma financial information does not include any
    non-recurring material expenses related to the Merger or the First Home
    acquisition. Sovereign currently estimates after-tax merger-related charges
    in the range of (i) $7.0 to $8.0 million, or $.04 to $.05 per share, related
    to the Merger, expected to be taken in the third quarter of 1998; and (ii)
    $4.0 to $5.0 million, or $.02 or $.03 per share, related to the First Home
    acquisition expected to be taken in the third quarter of 1998.
    
 
(2) For Carnegie, based on a weighted average of shares outstanding equal to
    2,336 for basic earnings and 2,544 for earnings on a diluted basis.
 
                                       18
<PAGE>

            PRO FORMA UNAUDITED COMBINED CONDENSED INCOME STATEMENT
                    FOR THE YEAR ENDED DECEMBER 31, 1996(1)
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                                           SOVEREIGN
                                                                                           FIRST HOME
                                                                                            CARNEGIE
                                              SOVEREIGN      FIRST HOME      CARNEGIE       COMBINED
                                              ---------      ----------      --------      ----------
<S>                                           <C>            <C>             <C>           <C>
Interest income.........................      $955,912        $36,450        $24,464       $1,016,826
Interest expense........................       597,612         21,364         10,884          629,860
                                              --------        -------        -------       ----------
Net interest income.....................       358,300         15,086         13,580          386,966
Provision for possible loan losses......        20,676            400          1,609           22,685
                                              --------        -------        -------       ----------
Net interest income after provision for
  possible loan losses..................       337,624         14,686         11,971          364,281
                                              --------        -------        -------       ----------
Other non-interest income...............        61,175          1,387          1,360           63,922
Non-interest expense....................       269,509         10,753         10,054          290,316
                                              --------        -------        -------       ----------
Income before taxes.....................       129,290          5,320          3,277          137,887
Income taxes............................        45,341          1,035          1,133           47,509
                                              --------        -------        -------       ----------
Net income..............................      $ 83,949        $ 4,285        $ 2,144       $   90,378
                                              ========        =======        =======       ==========
Net income applicable to common stock...      $ 77,699        $ 4,285        $ 2,144       $   84,128
                                              ========        =======        =======       ==========
Basic earnings per share(2).............      $   0.62        $  1.58        $  1.10       $     0.63
                                              ========        =======        =======       ==========
Diluted earnings per share(2)...........      $   0.59        $  1.57        $  1.00       $     0.60
                                              ========        =======        =======       ==========
</TABLE>
 
- ------------------
   
(1) The unaudited pro forma financial information does not include any
    non-recurring material expenses related to the Merger or the First Home
    acquisition. Sovereign currently estimates after-tax merger-related charges
    in the range of (i) $7.0 to $8.0 million, or $.04 to $.05 per share, related
    to the Merger, expected to be taken in the third quarter of 1998; and (ii)
    $4.0 to $5.0 million, or $.02 or $.03 per share related to the First Home
    acquisition expected to be taken in the third quarter of 1998.
    
 
(2) For Carnegie, based on a weighted average of shares outstanding equal to
    1,944 for basic earnings and 2,141 for earnings on a diluted basis.
 
                                       19
<PAGE>
   
            PRO FORMA UNAUDITED COMBINED CONDENSED INCOME STATEMENT
                    FOR THE YEAR ENDED DECEMBER 31, 1995(1)
    
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
   
<TABLE>
<CAPTION>
                                                                                             SOVEREIGN
                                                                                             FIRST HOME
                                                                                              CARNEGIE
                                                SOVEREIGN      FIRST HOME      CARNEGIE       COMBINED
                                                ---------      ----------      --------      ----------
<S>                                             <C>            <C>             <C>           <C>
Interest income...........................      $787,066        $32,489        $18,706        $838,261
Interest expense..........................       491,047         18,972          8,464         518,483
                                                --------        -------        -------        --------
Net interest income.......................       296,019         13,517         10,242         319,778
Provision for possible loan losses........        12,150            600            369          13,119
                                                --------        -------        -------        --------
Net interest income after provision for
  possible loan losses....................       283,869         12,917          9,873         306,659
                                                --------        -------        -------        --------
Other non-interest income.................        40,106          2,307            744          43,157
Non-interest expense......................       184,319          7,853          7,724         199,896
                                                --------        -------        -------        --------
Income before taxes.......................       139,656          7,371          2,893         149,920
Income taxes..............................        47,626          2,660            765          51,051
                                                --------        -------        -------        --------
Net income................................      $ 92,030        $ 4,711        $ 2,128        $ 98,869
                                                ========        =======        =======        ========
Net income applicable to common stock.....      $ 87,342        $ 4,711        $ 2,128        $ 94,181
                                                ========        =======        =======        ========
Basic earnings per share(2)...............      $   0.68        $  1.74        $  1.11        $   0.68
                                                ========        =======        =======        ========
Diluted earnings per share(2).............      $   0.65        $  1.74        $  1.08        $   0.66
                                                ========        =======        =======        ========
</TABLE>
    
 
- ------------------
   
(1) The unaudited pro forma financial information does not include any
    non-recurring material expenses related to the Merger or the First Home
    acquisition. Sovereign currently estimates after-tax merger-related charges
    in the range of (i) $7.0 to $8.0 million, or $.04 to $.05 per share, related
    to the Merger, expected to be taken in the third quarter of 1998; and (ii)
    $4.0 to $5.0 million, or $.02 or $.03 per share, related to the First Home
    acquisition expected to be taken in the third quarter of 1998.
    
 
   
(2) For Carnegie, based on a weighted average of shares outstanding equal to
    1,925 for basic earnings and 1,965 for earnings on a diluted basis.
    
 
                                       20
<PAGE>

                               THE ANNUAL MEETING
 
DATE, TIME AND PLACE
 
   
     The Annual Meeting will be held at the main office of Carnegie Bank, the
wholly-owned subsidiary of Carnegie, located at 619 Alexander Road, Princeton,
New Jersey 08540, at 4:00 p.m. local time, on July 30, 1998.
    
 
MATTERS TO BE CONSIDERED AT THE ANNUAL MEETING
 
     At the Annual Meeting, holders of Carnegie Common Stock will be asked to
consider and vote upon proposals to: (i) approve and adopt the Merger Agreement,
(ii) approve the Adjournment Proposal and alternatively, (iii) to account for
the possibility that the Merger Agreement will not be approved by the
shareholders of Carnegie or that the Merger will not be consummated for any
other reason, to elect nine (9) directors to the Carnegie Board of Directors.
Shareholders may also consider such other matters as may properly be brought
before the Annual Meeting.
 
     THE BOARD OF DIRECTORS OF CARNEGIE HAS (WITH ALL DIRECTORS PRESENT), BY
UNANIMOUS VOTE, APPROVED THE MERGER AGREEMENT AND RECOMMENDS A VOTE FOR APPROVAL
AND ADOPTION OF THE MERGER AGREEMENT AND FOR APPROVAL OF THE ADJOURNMENT
PROPOSAL. THE FOLLOWING NINE INDIVIDUALS HAVE BEEN NOMINATED AS DIRECTORS OF
CARNEGIE IN THE EVENT THE MERGER IS NOT CONSUMMATED: THEODORE H. DOLCI, JR.,
MICHAEL E. GOLDEN, THOMAS L. GRAY, JR., BRUCE A. MAHON, JAMES E. QUACKENBUSH,
STEVEN L. SHAPIRO, SHELLEY M. ZEIGER, MARK A. WOLTERS, AND JOSEPH J. OAKES, III.
IT IS THE INTENTION OF THE PERSONS NAMED IN THE ACCOMPANYING PROXY TO VOTE FOR
THE ELECTION OF THE NINE NOMINEES UNLESS CONTRARY INSTRUCTIONS ARE GIVEN OR
AUTHORITY TO DO SO IS WITHHELD.
 
VOTES REQUIRED
 
     The approval and adoption of the Merger Agreement and the approval of the
Adjournment Proposal will each require the affirmative vote of a majority of the
votes cast in person or by proxy at the Annual Meeting. Directors of Carnegie
will be elected by a plurality of the votes cast by the shareholders of
Carnegie. The election of Carnegie directors will only be given effect if the
Merger Agreement is not approved by the shareholders of Carnegie or if the
Merger is not otherwise consummated.
 
     Each holder of shares of Carnegie Common Stock outstanding on the Record
Date will be entitled to one vote for each share held of record on each matter
to be considered at the Annual Meeting.
 
   
     The directors and executive officers of Carnegie have agreed to vote all
shares of Carnegie Common Stock that they own on the Record Date for approval
and adoption of the Merger Agreement. As of May 1, 1998, directors and executive
officers of Carnegie and their affiliates beneficially owned and were entitled
to vote approximately 178,551 shares of Carnegie Common Stock, which represented
approximately 6.5% of the shares of Carnegie Common Stock outstanding on the
Record Date. Except for John Hancock Advisers, Inc. which owns 5.0% of the
outstanding common stock of Carnegie based upon a recently filed Schedule 13G,
management of Carnegie is not aware of any person or entity owning 5% or more of
the outstanding shares of Carnegie Common Stock as of the Record Date.
    
 
VOTING OF PROXIES
 
     Carnegie intends to count shares of Carnegie Common Stock present in person
at the Annual Meeting but not voting, shares of Carnegie Common Stock for which
it had received proxies but with respect to which holders of shares have
abstained on any matter, and shares of Carnegie Common Stock for which it
received proxies from a broker with no indication of how shares are to be voted
(a "broker non-vote") as present at the Annual Meeting for purposes of
determining the presence or absence of a quorum for the transaction of business.
 
     Shares represented by all properly executed proxies received in time for
the Annual Meeting will be voted at the Annual Meeting in the manner specified
therein by the holders thereof. Properly executed proxies that do not contain
voting instructions will be voted in favor of the Merger
 
                                       21
<PAGE>

Agreement and in favor of the Adjournment Proposal and for the election of the
nine (9) nominated directors.
 
     Under New Jersey Law, Carnegie's Certificate of Incorporation and the rules
of the National Association of Securities Dealers ("NASD") applicable to
Carnegie, the affirmative vote of a majority of votes cast in person or by proxy
at the Annual Meeting is required to approve the Merger Agreement and the
Carnegie Adjournment Proposal. Directors of Carnegie will be elected by a
plurality of the votes cast by shareholders of Carnegie. Abstentions and broker
non-votes relating to shares of Carnegie Common Stock will not constitute or be
counted as votes "cast" for purposes of the Annual Meeting.
 
     It is not expected that any matter other than those referred to herein will
be brought before the Annual Meeting. If, however, other matters are properly
presented for a vote, the persons named as proxies will vote in accordance with
their judgment with respect to such matters.
 
REVOCABILITY OF PROXIES
 
     The grant of a proxy on the enclosed Carnegie form does not preclude a
Carnegie shareholder from voting in person. A Carnegie shareholder may revoke a
proxy at any time prior to its exercise by filing with the Secretary of Carnegie
a duly executed revocation of proxy, by submitting a duly executed proxy bearing
a later date or by appearing at the Annual Meeting and voting in person at such
Meeting. Attendance at the Annual Meeting will not, in and of itself, constitute
revocation of a proxy.
 
RECORD DATE; STOCK ENTITLED TO VOTE; QUORUM
 
   
     Only holders of record of Carnegie Common Stock on the Record Date will be
entitled to notice of, and to vote at, the Annual Meeting. On the Record Date,
2,764,341 shares of Carnegie Common Stock were issued and outstanding and held
by approximately 536 holders of record.
    
 
   
     Shareholders entitled to cast at least a majority of the votes which all
shareholders are entitled to cast on the Carnegie Record Date must be
represented in person or by proxy at the Carnegie Annual Meeting in order for a
quorum to be present for purposes of voting on approval of the Merger Agreement
and the Adjournment and Election Proposals at the Annual Meeting.
    
 
SOLICITATION OF PROXIES
 
     Carnegie will bear the cost of the solicitation of proxies from its
shareholders. Sovereign and Carnegie will share equally the cost of printing
this Proxy Statement/Prospectus and, under the Merger Agreement, Sovereign has
agreed to bear the expense of the proxy solicitor engaged by Carnegie at
Sovereign's request. In addition to solicitation by mail, the directors,
officers and employees of Carnegie and its subsidiaries may solicit proxies from
shareholders by telephone or telegram or in person. Arrangements will also be
made with brokerage houses and other custodians, nominees and fiduciaries for
the forwarding of solicitation material to the beneficial owners of stock held
of record by such persons, and Carnegie will reimburse such custodians, nominees
and fiduciaries for their reasonable out-of-pocket expenses in connection
therewith.
 
   
     Corporate Investor Communications, Inc. will assist in the distribution of
proxy materials and the solicitation of proxies by Carnegie for a fee of $3,500,
plus reasonable out-of-pocket expenses.
    
 
     CARNEGIE SHAREHOLDERS SHOULD NOT SEND STOCK CERTIFICATES WITH THEIR PROXY
CARDS. AS DESCRIBED BELOW UNDER THE CAPTION "THE MERGER -- EXCHANGE OF CARNEGIE
STOCK CERTIFICATES," EACH CARNEGIE SHAREHOLDER WILL BE PROVIDED WITH MATERIALS
FOR EXCHANGING SHARES OF CARNEGIE COMMON STOCK AS PROMPTLY AS PRACTICABLE AFTER
THE EFFECTIVE DATE.
 
                                       22
<PAGE>

                                   THE MERGER
 
BACKGROUND OF AND REASONS FOR THE MERGER
 
  Background of the Merger
 
     In September 1997, Carnegie's Vice Chairman, Michael E. Golden received an
unsolicited letter (the "Unsolicited Offer") from a Pennsylvania-based bank
holding company, in which the bank holding company expressed an interest in
acquiring or combining with Carnegie. A copy of the solicitation was forwarded
to Carnegie's President, Thomas L. Gray, Jr., and Carnegie's Board of Directors.
 
   
     In response to the Unsolicited Offer, Carnegie's Board determined to retain
an independent investment banking firm to act as financial advisors to the Board
in evaluating and responding to the Unsolicited Offer and to advise the board
with respect to potential alternative strategies. Following interviews of six
investment banking firms, in early October Carnegie's Board retained Janney
Montgomery Scott Inc. ("JMS") and First Colonial Securities Group, Inc.
(collectively, the "Co-advisors"). With the assistance of the Co-advisors, the
Board then conducted a further review of the Unsolicited Offer and determined
that the Unsolicited Offer previously submitted was inadequate and not in the
best interests of Carnegie's shareholders. Accordingly, the offer was rejected.
    
 
     As part of its subsequent review of strategic alternatives for Carnegie and
its shareholders, management and Carnegie's Board, with the advice of the
Co-advisors, considered the possible affiliation of Carnegie with a larger
financial institution. To this end, JMS was authorized, among other things, to
contact potential merger partners to determine their interest in a possible
business combination with Carnegie. JMS prepared an information booklet and
contacted certain potential acquirers, including Sovereign.
 
     Four financial institutions submitted expressions of interest to acquire
Carnegie and JMS was authorized by Carnegie's Board to conduct further
negotiations with the three financial institutions which had submitted
expressions of interest containing the most favorable terms to Carnegie and its
shareholders.
 
     At the same time, a committee of Carnegie's board and senior management,
consisting of Messrs. Mahon, Gray, Wolters and Rosa, and the Co-advisors met
with representatives of each of the three potential acquirers to further discuss
terms and conditions of potential transactions. Following these discussions,
Carnegie requested that revised expressions of interest be submitted by November
24, 1997 to Carnegie by each of the three parties.
 
     On November 26, 1997, Carnegie's Board of Directors met with the
Co-advisors to consider and discuss revised proposals to acquire Carnegie which
had been received from the three financial institutions. At this meeting, the
Carnegie Board determined that the terms presented by Sovereign in its proposals
were superior to the other two offers. This determination was based upon, among
other things, a comparison of the three proposed transactions, the analysis of
each transaction made by the Co-advisors and Carnegie's legal counsel, and a
detailed review and analysis of the history, business and the financial and
market factors affecting each institution. See "THE MERGER -- Reasons for the
Merger." The Carnegie Board also evaluated the liquidity and trading
characteristics of Sovereign Common Stock and concluded that Sovereign's
acquisition of Carnegie would afford Carnegie shareholders greater liquidity and
an ownership interest in a larger entity capable of competing more effectively
with other financial institutions.
 
     At the conclusion of its November 26 meeting, the Board authorized
Carnegie's management, with the assistance of the Co-advisors and legal counsel,
to conduct further due diligence and to begin negotiating a definitive merger
agreement with Sovereign.
 
     The Carnegie Board met again on December 12, 1997 following completion of
Carnegie's due diligence examination of Sovereign, to consider approval of a
definitive agreement with Sovereign. At that meeting, the Carnegie Board
received the verbal opinion of the Co-advisors to the effect that the proposed
consideration to be received by Carnegie's shareholders pursuant to the Merger
was fair to such shareholders from a financial point of view. After further
deliberation, the Carnegie Board
 
                                       23
<PAGE>

approved the Merger Agreement and the Agreement was executed on behalf of
Carnegie as of December 12, 1997.
 
  Reasons for the Merger
 
   
     The Carnegie Board of Directors has unanimously approved the Merger, and
believe that the Merger is in the best interests of Carnegie and its
shareholders.
    
 
   
     Prior to reaching its conclusion, Carnegie's Board reviewed and considered
the results of a comprehensive due diligence process and reviewed the terms of
the Merger with Carnegie management, the Co-advisors and Carnegie's counsel. In
reaching its conclusion to accept Sovereign's offer and to enter into the Merger
Agreement, Carnegie's Board considered a number of factors, including the
following:
    
 
          (i) Information provided by Sovereign concerning the financial
     condition, results of operations and business of Sovereign on a historical
     and prospective basis, together with current industry, economic and market
     conditions applicable to financial institutions, indicated that Sovereign's
     management had been successful in profitably expanding Sovereign's business
     and increasing its revenues.
 
          (ii) Pro forma financial information on the Merger reflected pro forma
     book value and earnings per share favorable to Carnegie's shareholders.
 
   
          (iii) The price being paid by Sovereign in the Merger compared
     favorably in terms of multiples of book value and earnings to recent
     mergers involving comparable financial institutions (see "THE MERGER --
     Fairness Opinion of Carnegie's Financial Advisors").
    
 
          (iv) The financial aspects of the written proposals, including the
     Unsolicited Offer, received from the other financial institutions which
     submitted expressions of interest to Carnegie's representatives were less
     favorable to Carnegie and its shareholders in terms of proposed exchange
     ratios and multiples of book value and earnings.
 
          (v) The tax-free nature of the transaction would benefit Carnegie's
     shareholders.
 
   
          (vi) The Co-advisor's extensive efforts to elicit interest from other
     entities which might be interested in a business combination with Carnegie
     indicated that the proposals received represented a thorough check of the
     acquisition market.
    
 
          (vii) The greater liquidity of Sovereign Common Stock as compared to
     Carnegie Common Stock would benefit Carnegie's shareholders.
 
          (viii) The Carnegie Board's belief that consolidation in the financial
     services industry is likely to continue.
 
   
          (ix) The favorable opinion of the Co-advisors that the consideration
     to be received by Carnegie's shareholders was fair from a financial point
     of view.
    
 
     The Board of Directors of Carnegie also took into account that Carnegie's
shareholders would have the opportunity to participate in the future growth of
Sovereign by obtaining Sovereign Common Stock in the Merger. The Carnegie Board
believes that the Merger will result in a stronger and more effective competitor
in Carnegie's markets, better able to compete effectively in the rapidly
changing marketplace for banking and financial services to take advantage of
opportunities that might not be available to Carnegie on its own.
 
     The foregoing does not purport to be a complete list of the matters
considered by Carnegie's Board of Directors in approving the Merger. In
approving the Merger, the Board did not identify any one factor or group of
factors as being more significant than any other factor in the decision-making
process.
 
                                       24
<PAGE>

  Recommendation of the Carnegie Board of Directors
 
     THE BOARD OF DIRECTORS OF CARNEGIE BELIEVES THAT THE TERMS OF THE MERGER
ARE FAIR TO, AND IN THE BEST INTERESTS OF, CARNEGIE AND ITS SHAREHOLDERS AND HAS
UNANIMOUSLY APPROVED THE MERGER AGREEMENT. THE BOARD OF DIRECTORS OF CARNEGIE
UNANIMOUSLY RECOMMENDS THAT THE SHAREHOLDERS OF CARNEGIE APPROVE THE MERGER
AGREEMENT.
 
TERMS OF THE MERGER
 
     The Merger Agreement provides that upon completion of the Merger, Carnegie
will merge with and into Sovereign, and the separate legal existence of Carnegie
will cease. As a consequence of the Merger, all property, rights, powers,
duties, obligations, debts and liabilities of Carnegie will automatically be
taken and deemed to be transferred to and vested in Sovereign, in accordance
with Pennsylvania and New Jersey law. Sovereign, as the surviving corporation,
will be governed by the Articles of Incorporation and Bylaws of Sovereign in
effect immediately prior to completion of the Merger. The directors and
executive officers of Sovereign prior to the Merger will continue, in their
respective capacities, as the directors and executive officers of Sovereign
after the Merger.
 
     Upon completion of the Merger, each outstanding share of Carnegie Common
Stock (other than Excluded Shares) will be automatically converted into, and
become a right to receive, such number of shares of Sovereign Common Stock as
shall equal $35.50 divided by the average of the prices of a share of Sovereign
Common Stock (as reported on the Nasdaq Stock Market National Market) for the 15
consecutive trading days immediately preceding the Effective Date (the
"Sovereign Market Value"), provided that such Sovereign Market Value as of the
Effective Date is greater than or equal to $15.00 per share and less than or
equal to $18.33 per share. If, however, the Sovereign Market Value as of the
Effective Date is less than $15.00 per share or greater than $18.33 per share,
shareholders of Carnegie will be entitled to receive a fixed number of shares of
Sovereign Common Stock as follows:
 
          (i) If, as of the Effective Date, the Sovereign Market Value is less
     than $15.00 per share, each outstanding share of Carnegie Common Stock
     (other than Excluded Shares) will be converted into and become a right to
     receive 2.366 shares of Sovereign Common Stock.
 
          (ii) If, as of the Effective Date, the Sovereign Market Value is
     greater than $18.33 per share, each outstanding share of Carnegie Common
     Stock (other than Excluded Shares) will be converted into and become a
     right to receive 1.937 shares of Sovereign Common Stock.
 
     In addition, Carnegie may elect to terminate the Merger Agreement if (i)
the Sovereign Market Value as of the date immediately preceding the Effective
Date is less than $12.06 and (ii) the weighted average prices of a comparable
group of nine thrift holding companies have not declined by a specific amount.
However, Sovereign may override Carnegie's termination election by increasing
the number of shares issuable in exchange for each share of Carnegie Common
Stock from 2.366 shares to such number of shares of Sovereign Common Stock as
shall have an aggregate value of $28.53 based on the Sovereign Market Value as
of the date immediately preceding the Effective Date. See "THE MERGER --
Termination; Effect of Termination."
 
     The number of shares of Sovereign Common Stock issuable in exchange for
shares of Carnegie Common Stock (as finally determined, the "Exchange Ratio")
accounts for the Stock Split. Further, adjustments will be made to prevent
dilution in the event of additional stock splits, reclassifications or other
similar events.
 
     Shareholders of Carnegie will receive cash in lieu of fractional shares of
Sovereign Common Stock. See " -- Exchange of Carnegie Stock Certificates"
herein.
 
   
     As of the Record Date, directors and executive officers of Carnegie and/or
Carnegie Bank have been granted options to purchase 378,248 shares of Carnegie
Common Stock (the "Management Options"). On the Effective Date, each Management
Option, whether or not such Management Option is exercisable on the Effective
Date, will cease to be outstanding and will be converted on the Effective Date
into and become an option to acquire that number of shares of Sovereign Common
Stock equal to the number of shares of Carnegie Common Stock covered by the
Management Option multiplied by the Exchange Ratio, at an exercise price equal
to the present stated exercise price of such option
    
 
                                       25
<PAGE>

   
divided by the Exchange Ratio. Shares issuable upon the exercise of such options
to acquire Sovereign Common Stock will be issuable in accordance with the terms
of the respective plans and grant agreements of Carnegie under which they were
issued.
    
 
   
     The Sovereign Common Stock and cash (in the case of fractional shares) to
be received by the holders of Carnegie Common Stock (including the holders of
options to acquire Carnegie Common Stock) in exchange for each share (other than
Excluded Shares) of Carnegie Common Stock (including shares subject to options)
are referred to herein as the "Merger Consideration."
    
 
FAIRNESS OPINION OF CARNEGIE'S FINANCIAL ADVISOR
 
     Carnegie has retained Janney Montgomery Scott ("JMS") to act as its
financial advisor and to render a fairness opinion. JMS has delivered opinions
to Carnegie's Board of Directors that, based upon and subject to the various
considerations set forth therein, as of December 12, 1997, and as of the date of
this Proxy Statement/Prospectus, the Exchange Ratio is fair, from a financial
point of view, to the holders of Carnegie Common Stock.
 
   
     The full text of JMS' opinion as of the date thereof (the "Proxy Opinion"),
which sets forth the assumptions made, matters considered and limitations of the
review undertaken, is attached as Annex C to this Proxy Statement/Prospectus, is
incorporated herein by reference, and should be read in its entirety in
connection with this Proxy Statement/Prospectus. The summary of the opinion of
JMS set forth herein is qualified in its entirety by reference to the full text
of such opinion attached as Annex C to this Proxy Statement/Prospectus. The
Proxy Opinion of JMS is directed only to the Exchange Ratio and does not
constitute a recommendation to any holder of Carnegie Common Stock as to how
such shareholder should vote at the Annual Meeting.
    
 
     JMS was selected to render its opinions based upon its qualifications,
expertise and experience. JMS has knowledge of, and experience with, New Jersey
and Pennsylvania banking markets and banking organizations operating in those
markets and was selected by Carnegie because of its knowledge of, experience
with, and reputation in the financial services industry. In addition, JMS lead-
managed a unit offering for Carnegie in August 1994 and assisted in the exercise
of warrants in August 1998.
 
     On December 12, 1997, the Carnegie Board of Directors approved the Merger
Agreement and JMS delivered an oral opinion (the "Preliminary Opinion") to the
Carnegie Board of Directors stating that, as of such date, the Carnegie Exchange
Ratio was fair to the holders of Carnegie Common Stock from a financial point of
view. JMS reached the same opinion as of the date of this Proxy
Statement/Prospectus.
 
     In connection with rendering its Proxy Opinion, JMS, among other things:
(i) reviewed the historical financial performances, current financial positions
and general prospects of Carnegie and Sovereign, (ii) considered the proposed
financial terms of the Merger and have examined the projected consequences of
the Merger with respect to, among other things, market value, earnings per share
and book value per share of Carnegie Common Stock, (iii) to the extent deemed
relevant, analyzed selected public information of certain other banks and bank
holding companies and compared Carnegie and Sovereign from a financial point of
view to these other banks and bank holding companies, (iv) reviewed the
historical market price ranges and trading activity performance of the common
stocks of Carnegie and Sovereign, (v) reviewed publicly available information
such as annual reports, SEC filings and research reports, (vi) compared the
terms of the Merger with the terms of certain other comparable transactions to
the extent information concerning such acquisitions was publicly available,
(vii) discussed with certain members of senior management of Carnegie and
Sovereign the strategic aspects of the Merger, including estimated cost savings
from the Merger, (viii) reviewed the Merger Agreement and (ix) performed such
other analyses and examinations as deemed necessary. JMS has also had
conversations with various senior officers of Carnegie and Sovereign to discuss
the foregoing as well as other matters believed relevant to its opinion.
 
     JMS relied without independent verification upon the accuracy and
completeness of all of the financial and other information reviewed by and
discussed with it for purposes of its opinions. With respect to Carnegie's
financial forecasts reviewed by JMS in rendering its opinion, JMS assumed that
such financial forecasts were reasonably prepared on bases reflecting the best
currently available
 
                                       26
<PAGE>

estimates and judgments of the management of Carnegie as to the future financial
performance of Carnegie. JMS did not make an independent evaluation or appraisal
of the assets (including loans) or liabilities of Carnegie or Sovereign nor was
it furnished with any such appraisal. JMS also did not independently verify and
has relied on and assumed that all allowances for loan and lease losses set
forth in the balance sheets of Carnegie and Sovereign were adequate and complied
fully with applicable law, regulatory policy and sound banking practice as of
the date of such financial statements.
 
   
     The following is a summary of selected analyses prepared and analyzed by
JMS in connection with its Preliminary and Proxy Opinions but does not purport
to be a complete description of the analyses undertaken by JMS. The preparation
of a fairness opinion is a complex process involving subjective judgments and is
not necessarily susceptible to a partial analysis or summary description. JMS
believes that its analyses must be considered as a whole and that selecting
portions of such analyses and the factors considered therein, without
considering all factors and analyses, could create an incomplete view of the
analyses and processes underlying the Preliminary and Proxy Opinions. In
performing its analyses, JMS made numerous assumptions with respect to industry
performance, business and economic conditions and various other matters, many of
which cannot be predicted and are beyond the control of Carnegie, Sovereign and
JMS. Any estimates contained in JMS' analyses are not necessarily indicative of
future results or values, which may be significantly more or less favorable than
such estimates. Estimates on the values of companies do not purport to be
appraisals or necessarily reflect the prices at which companies or their
securities may actually be sold. Because such estimates are inherently subject
to uncertainty, neither Carnegie nor JMS assumes responsibility if future
results or actual values are materially different from these estimates.
    
 
     Comparable Company Analysis.  JMS compared selected financial and operating
data for Carnegie with those of a peer group of selected banks and bank holding
companies located in Pennsylvania and New Jersey with assets between $250 and
$500 million (the "Peer Group"). The analysis compared price per share as a
multiple of latest twelve month earnings per share, price per share as a
percentage of estimated 1998 earnings per share, price per share as a percentage
of book value per share, equity as a percentage of assets, nonperforming assets
plus loans 90 days past due as a percentage of assets, loan loss reserve as a
percentage of nonperforming assets plus loans 90 days past due, return on
average assets, return on average equity and efficiency ratios. The analysis
also compared the compound annual growth rates of assets, loans, deposits and
earnings per share.
 
     In addition, JMS also compared selected financial and operating data for
Sovereign with those of a peer group of selected thrift holding companies
located nationally with assets between $5 billion and $25.0 billion (the
"Sovereign Peer Group"). The analysis compared price per share as a multiple of
latest twelve month core earnings per share, price per share as a percentage of
estimated 1998 earnings per share, price per share as a percentage of book value
per share, equity as a percentage of assets, nonperforming assets plus loans 90
days past due as a percentage of assets, loan loss reserves as a percentage of
nonperforming assets plus loans 90 days past due, return on average assets,
return on average equity and efficiency ratios.
 
     Analysis of Selected Merger and Acquisition Transactions.  JMS analyzed
certain financial aspects of selected mergers and acquisitions of New Jersey
banks and bank holding companies announced since January 1, 1995, where the
selling institution was located in New Jersey, and compared the multiples of
book value, tangible book value and latest twelve months earnings for the Merger
with the multiples paid in the subject transactions. In summary, the indicated
value to be received by shareholders of Carnegie compared favorably to the value
received in the transactions described herein.
 
     In addition, JMS analyzed certain financial aspects of selected mergers and
acquisitions of banks and bank holding companies announced since December 1,
1996 where the selling institution was located in Connecticut, Maryland,
Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Virginia and
West Virginia and compared the multiples of book value, tangible book value and
latest twelve months earnings for the Merger with the multiples paid in the
subject transactions. Particular distinction was noted for transactions
involving sellers located in New Jersey and for transactions involving sellers
with total assets between $250 million and $500 million. In
 
                                       27
<PAGE>

summary, the indicated value to be received by shareholders of Carnegie compared
favorably to the value received in the transactions described herein.
 
     Discounted Dividend Analyses.  Using discounted dividend analyses, JMS
estimated the present value of the future dividend streams that Carnegie could
produce on a stand-alone basis over a five-year period under different
assumptions, if Carnegie performed in accordance with various earnings growth
forecasts. JMS also estimated the terminal value for Carnegie's Common Stock
after the five year period by applying a range of earnings multiples from 14 to
18 times Carnegie's terminal year earnings. The range of multiples used
reflected a variety of scenarios regarding the growth and profitability
prospects of Carnegie. The dividend streams and terminal values were then
discounted to present value using discount rates ranging from 10% to 15%,
reflecting different assumptions regarding the rates of return required by
holders or prospective buyers of Carnegie's Common Stock.
 
   
     Analysis of Stock Price and Volume.  JMS compared the stock price per share
performance for the 52-week period for both Carnegie and Sovereign and the daily
trading volume for the same period.
    
 
     Pro Forma Merger Analysis.  JMS analyzed, using earnings estimates for
Carnegie and Sovereign as reported by First Call, certain pro forma effects
resulting from the Merger based on the proposed Exchange Ratios. The analysis
indicated that, relative to Carnegie on a stand-alone basis, the Merger would be
accretive to Carnegie's earnings per share and book value per share and dilutive
to tangible book value per share and cash dividends per share.
 
     In reaching its opinion as to fairness, none of the analyses performed by
JMS was assigned a greater significance by JMS than any other. As a result of
its consideration of the aggregate of all factors present and analyses
performed, JMS reached the conclusion, and opined, that the Exchange Ratio, as
set forth in the Agreement is fair from a financial point of view to holders of
Carnegie Common Stock.
 
     In connection with delivering its Proxy Opinion, JMS updated certain
analyses described above to reflect current market conditions and events
occurring since the date of the Agreement. Such reviews and updates led JMS to
conclude that it was not necessary to change the conclusions it had reached in
connection with rendering the Preliminary Opinion.
 
     JMS, as part of its investment banking business, is regularly engaged in
the valuation of assets, securities and companies in connection with various
types of asset and security transactions, including mergers, acquisitions,
private placements, and valuation for various other purposes and in the
determination of adequate consideration in such transactions.
 
     The Proxy Opinion of JMS was based solely upon the information available to
it and the economic, market and other circumstances as they existed as of the
date hereof; events occurring after the date hereof could materially affect the
assumptions used in preparing its Proxy Opinion. JMS has not undertaken to
reaffirm and revise its Proxy Opinion or otherwise comment upon any events
occurring after the date hereof.
 
     In delivering its Preliminary Opinion and Proxy Opinion, JMS assumed that
in the course of obtaining the necessary regulatory and governmental approvals
for the Merger, no restrictions will be imposed on Carnegie that would have a
material adverse effect on the contemplated benefits of the Merger. JMS also
assumed that there would not occur any change in applicable law or regulation
that would cause a material adverse change in the prospects or operations of
Carnegie and Sovereign after the Merger.
 
   
     Pursuant to the terms of the engagement letter dated October 6, 1997,
Carnegie paid JMS and First Colonial Securities, its co-financial advisor,
$25,000 upon the signing of the engagement agreement. Carnegie paid $100,000 to
JMS and First Colonial Securities upon signing of the Merger Agreement. In
addition, Carnegie has also agreed to pay each of JMS and First Colonial
Securities one-half of 1.5% of the aggregate consideration received by Carnegie
or its shareholders upon consummation of the Merger, less its respective portion
of the $125,000 paid in 1997 and to reimburse JMS and First Colonial Securities
for its reasonable out-of-pocket expenses. Whether or not the Merger is
completed, Carnegie has agreed to indemnify JMS and First Colonial Securities
and certain related persons against certain liabilities relating to or arising
out of its engagement.
    
 
                                       28
<PAGE>

     THE FOREGOING PROVIDES ONLY A SUMMARY OF THE PROXY OPINION OF JMS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE FULL TEXT OF THAT OPINION, WHICH
IS SET FORTH AS ANNEX C TO THIS PROXY STATEMENT/PROSPECTUS.
 
EFFECTIVE DATE OF THE MERGER
 
   
     Under the Merger Agreement, the Effective Date is the date determined by
Sovereign, in its sole discretion, upon five days prior written notice to
Carnegie, but in no event will the Effective Date be later than 30 days after
(i) all required regulatory approvals for the Merger have been obtained and (ii)
all actions required to be taken by Carnegie and Sovereign to authorize the
Merger and the Bank Merger shall have been duly and validly taken, or such other
date as Sovereign and Carnegie may agree. The parties presently expect that the
Effective Date will occur on or about July 31, 1998. See " -- Conditions to the
Merger" herein.
    
 
     On or prior to the Effective Date, Articles of Merger between Sovereign and
Carnegie will be filed with the Pennsylvania Department of State and the New
Jersey Secretary of State, and each such document will set forth the Effective
Date. The Merger Agreement may be terminated by either party if, among other
reasons, the Merger closing does not occur on or before September 30, 1998 and
the terminating party is not in breach of or has not failed to perform or
observe any of the agreements under the Merger Agreement to be performed or
observed by it. See " -- Termination; Effect of Termination."
 
EXCHANGE OF CARNEGIE STOCK CERTIFICATES
 
   
     The conversion of Carnegie Common Stock into Sovereign Common Stock will
occur automatically at the Effective Date. As soon as practicable after the
Effective Date, Sovereign, or a bank or trust company designated by Sovereign,
in the capacity of exchange agent (the "Exchange Agent"), will send a
transmittal form to each Carnegie shareholder of record. The transmittal form
will contain instructions with respect to the surrender of certificates
representing Carnegie Common Stock to be exchanged for Sovereign Common Stock.
Under the Merger Agreement, certificates representing shares of Sovereign Common
Stock and checks for cash in lieu of fractional shares must be mailed to former
shareholders of Carnegie as soon as reasonably possible but in no event later
than 15 business days following the receipt of duly endorsed certificates
representing former shares of Carnegie Common Stock (except in the case of share
certificates containing a restrictive legend or with respect to which stop
transfer instructions pertain).
    
 
     CARNEGIE SHAREHOLDERS SHOULD NOT FORWARD CARNEGIE STOCK CERTIFICATES TO THE
EXCHANGE AGENT UNTIL THEY HAVE RECEIVED TRANSMITTAL FORMS. CARNEGIE SHAREHOLDERS
SHOULD NOT RETURN STOCK CERTIFICATES WITH THE ENCLOSED PROXY CARD.
 
     Until the certificates representing Carnegie Common Stock are surrendered
for exchange after completion of the Merger, holders of such certificates will
not receive, and will not be paid dividends on, the Sovereign Common Stock into
which such shares have been converted. When such certificates are surrendered,
any unpaid dividends will be paid without interest. For all other purposes,
however, each certificate which represents shares of Carnegie Common Stock
outstanding at the Effective Date (other than Excluded Shares) will be deemed to
evidence ownership of and the right to receive the shares of Sovereign Common
Stock (and cash in lieu of fractional shares) into which those shares have been
converted by virtue of the Merger. Neither Sovereign nor Carnegie will be liable
to any holder of shares of Carnegie Common Stock for any amount paid in good
faith to a public official pursuant to any applicable abandoned property,
escheat or similar law.
 
     All shares of Sovereign Common Stock issued upon conversion of shares of
Carnegie Common Stock shall be deemed to have been issued in full satisfaction
of all rights pertaining to such shares of Carnegie Common Stock, subject,
however, to Sovereign's obligation to pay any dividends or make any other
distributions with a record date on or prior to the Effective Date, which may
have been declared or made by Carnegie on such shares of Carnegie Common Stock
in accordance with the Merger Agreement and which remain unpaid at the Effective
Date.
 
                                       29
<PAGE>

     No fractional shares of Sovereign Common Stock will be issued to any
shareholder of Carnegie upon completion of the Merger. For each fractional share
that would otherwise be issued, Sovereign will pay by check an amount equal to
the product obtained by multiplying the fractional share interest to which such
holder would otherwise be entitled by the Sovereign Market Value.
 
CONDITIONS TO THE MERGER
 
     The obligations of Sovereign and Carnegie to effect the Merger are subject
to various conditions, which include, among other customary provisions for
transactions of this type, the following:
 
          (a) the Merger Agreement shall have been duly approved by the holders
     of Carnegie Common Stock;
 
          (b) all necessary governmental approvals for the Merger shall have
     been obtained, and all waiting periods required by law or imposed by any
     governmental authority with respect to the Merger shall have expired
     (see " -- Regulatory Approvals" herein);
 
          (c) there shall not be any order, decree, or injunction in effect
     preventing the completion of the transactions contemplated by the Merger
     Agreement;
 
          (d) there shall have been delivered to each of Sovereign and Carnegie
     an opinion of counsel that, among other things, the Merger will be treated
     for federal income tax purposes as a "reorganization" within the meaning of
     Section 368(a) of the Internal Revenue Code of 1986, as amended (the
     "Code") (see " -- Certain Federal Income Tax Consequences"); and
 
   
          (e) there shall not have been any material adverse effect (a "Material
     Adverse Effect") on the consolidated assets, financial condition or results
     of operations of the other since December 31, 1996, except for any Material
     Adverse Effect caused by any change in the value of the respective
     investment portfolios of Sovereign or Carnegie resulting from a change in
     interest rates generally or any change occurring after the date of the
     Merger Agreement in any federal or state law, rule or regulation or in
     generally accepted accounting principles ("GAAP"), which change affects
     banking institutions generally, including any change affecting the Bank
     Insurance Fund (the "BIF") or the Savings Association Insurance Fund (the
     "SAIF") of the Federal Deposit Insurance Corporation.
    
 
     In addition, Sovereign's obligation to effect the Merger is subject to,
among others, the following additional condition that Sovereign shall have
received an opinion from its independent certified public accountant that the
Merger will be treated as a pooling of interests for financial accounting
purposes (see " -- Accounting Treatment" herein).
 
     Except for the requirements of shareholder approval, regulatory approvals
and the absence of any order, decree, or injunction preventing the transactions
contemplated by the Merger Agreement, each of the conditions described above may
be waived in the manner and to the extent described in " -- Amendment; Waivers"
herein. Sovereign does not, however, anticipate waiving the condition that it
receive an opinion from its independent auditors that the Merger will be treated
as a pooling of interests for financial accounting purposes. As of the date of
this Proxy Statement/Prospectus, Sovereign has no reason to believe that it will
not receive such an opinion from its independent auditors.
 
SUBSIDIARY BANK MERGER
 
     In connection with the Merger, Sovereign Bank and Carnegie Bank entered
into the Bank Plan of Merger. Pursuant to the Bank Plan of Merger, concurrently
with or as soon as practicable after completion of the Merger, Carnegie Bank
will merge with and into Sovereign Bank, with Sovereign Bank surviving.
Sovereign and Carnegie anticipate that the Bank Merger will be completed
concurrently with the completion of the Merger.
 
REGULATORY APPROVALS
 
     The Bank Merger is subject to the prior approval of the Office of Thrift
Supervision ("OTS") under the Bank Merger Act and the OTS regulations adopted
thereunder. An application for approval of the Bank Merger was filed with the
OTS on March 13, 1998. Under applicable OTS regulations, the OTS will review the
financial, managerial, competitive, legal, disclosure, accounting and tax
aspects of
 
                                       30
<PAGE>

the transaction, as well as the insurance risk to the BIF and the SAIF and the
convenience and needs of the community to be served. In addition, the OTS may
not approve any proposed acquisition (i) which would result in a monopoly or
which would be in furtherance of any combination or conspiracy to monopolize or
to attempt to monopolize the savings and loan business in any part of the United
States or (ii) which in any section of the country may have the effect of
substantially lessening competition or tending to create a monopoly or which in
any other manner would be in restraint of trade, unless the OTS finds that the
anticompetitive effects of the proposed acquisition are clearly outweighed in
the public interest by the probable effect of the proposed acquisition in
meeting the convenience and needs of the community to be served.
 
     In addition, the OTS has the responsibility by statute and regulation to
review the performance of all involved institutions in meeting their
responsibilities under the Community Reinvestment Act ("CRA"), which includes
the record of performance of the existing institutions in meeting the credit
needs of the entire community including low- and moderate-income neighborhoods.
Both Carnegie Bank and Sovereign Bank received ratings of "satisfactory" in
their last CRA examinations. No protest of the Merger has been filed with the
OTS under the CRA as of the date of this Proxy Statement/Prospectus.
 
     Because Carnegie is presently a bank holding company and Sovereign is not,
and will not be after the Merger, and because the Bank Merger is expected to be
completed concurrently with the Merger, Sovereign has requested confirmation
from the Federal Reserve Bank of Philadelphia that no application is necessary
under the Bank Holding Company Act in connection with the Merger. Sovereign has
received such confirmation in the past in similar transactions.
 
     There can be no assurance that the regulatory authorities described above
will approve the Bank Merger, and, if approved, there can be no assurance as to
the date of such approvals. The Bank Merger may not be consummated until 30 days
(15 days if the Attorney General does not object) after the date of the OTS
approval, during which time the Department of Justice has the opportunity to
challenge the Bank Merger on antitrust grounds. The commencement of an antitrust
action by the Department of Justice would stay the effectiveness of OTS approval
unless a court specifically orders otherwise. In reviewing the Bank Merger, the
Department of Justice could analyze the Bank Merger's effect on competition
differently than the OTS, and thus it is possible that the Department of Justice
could reach a different conclusion than the OTS regarding the Bank Merger's
competitive effects. Failure of the Department of Justice to object to the Bank
Merger does not prevent the filing of antitrust actions by private persons.
 
REPRESENTATIONS AND WARRANTIES
 
     The Merger Agreement contains customary representations and warranties
relating to, among other things, (a) the corporate organization of Sovereign,
Sovereign Bank, Carnegie and Carnegie Bank; (b) the capital structures of
Sovereign and Carnegie; (c) the due authorization, execution, delivery,
performance and enforceability of the Merger Agreement and the Bank Plan of
Merger; (d) consents or approvals of regulatory authorities or third parties
necessary to complete the Merger and the Bank Merger; (e) the consistency of
financial statements with generally accepted accounting principles and, where
appropriate, applicable regulatory accounting principles; (f) the absence of
material adverse changes, since December 31, 1996, in the consolidated assets,
business, financial condition or results of operations of Sovereign or Carnegie;
(g) the filing of tax returns and payment of taxes; (h) the absence of
undisclosed material pending or threatened litigation; (i) compliance with
applicable laws and regulations; (j) retirement and other employee plans and
matters relating to the Employee Retirement Income Security Act of 1974; (k) the
quality of title to assets and properties; (l) the maintenance of adequate
insurance; (m) the absence of undisclosed brokers' or finders' fees; (n) the
absence of material environmental violations, actions or liabilities; (o) the
consistency of the allowance for loan losses with generally accepted accounting
principles and all applicable regulatory criteria; (p) the accuracy of
information supplied by Sovereign and Carnegie in connection with the
Registration Statement on Form S-4 filed with the Commission in connection with
the issuance of Sovereign Common Stock in the Merger, this Proxy
Statement/Prospectus and all applications filed with regulatory authorities for
approval of the Merger and the Bank Merger; and (q) documents filed with the
Commission and the accuracy of information contained therein.
 
                                       31
<PAGE>

     The Merger Agreement also contains other representations and warranties by
Carnegie relating to, among other things, (a) certain contracts relating to
employment, consulting and benefits matters; (b) the validity and binding nature
of loans reflected as assets in the financial statements of Carnegie; (c) the
inapplicability of certain antitakeover provisions of New Jersey law to the
Merger; and (d) transactions with affiliates.
 
BUSINESS PENDING THE MERGER
 
     Pursuant to the Merger Agreement, Sovereign and Carnegie have each agreed
to use their best efforts to preserve their business organizations intact, to
maintain good relationships with employees and to preserve the goodwill of
customers and others with whom business relationships exist. In addition,
Carnegie has agreed to conduct its business and to engage in transactions only
in the ordinary course of business, consistent with past practice, except as
otherwise required by the Merger Agreement or with the written consent of
Sovereign.
 
   
     In addition, Carnegie has agreed in the Merger Agreement that neither it
nor Carnegie Bank may, without the written consent of Sovereign, among other
things, (i) change its certificate of incorporation, charter or bylaws; (ii)
change the number of authorized or issued shares of its capital stock, except
for the possible issuance of up to 384,921 shares of Carnegie Common Stock upon
the exercise of then outstanding stock options; (iii) grant options or similar
rights with respect to its capital stock or any securities convertible into its
capital stock; (iv) split, combine or reclassify any shares of its capital
stock; (v) declare, set aside or pay any dividend or other distribution in
respect of its capital stock, except as otherwise specifically set forth in the
Merger Agreement (see "-- Dividends" herein); (vi) grant any severance pay,
except in accordance with written policies or written agreements in effect on
the date of the Merger Agreement (see " -- Employee Benefits and Severance"
herein), or enter into or amend any employment agreement; (vii) grant any pay
increase except for routine periodic increases in accordance with past practice;
(viii) engage in any merger, acquisition or similar transaction; (ix) dispose of
any assets other than in the ordinary course of business; (x) change any
accounting practices, except as may be required by generally accepted accounting
principles (without regard to any optional early adoption date); (xi) implement
any new employee benefit or welfare plan, or amend any such plan, unless such
amendment does not result in an increase in cost except as expressly permitted
by the Merger Agreement; (xii) purchase any security for its investment
portfolio not rated "A" or higher by either Standard & Poor's Corporation or
Moody's Investor Services, Inc.; (xiii) make, enter into, renew, extend, modify
or compromise any transaction (including loans and commitments to lend) with any
affiliate of Carnegie; (xiv) enter into any interest rate swap or similar
arrangement; (xv) other than as a result of the execution and delivery of the
Merger Agreement, take any action which would give rise to a right of payment to
any individual under any employment agreement; (xvi) intentionally and knowingly
take any action that would preclude the treatment of the Merger as a pooling of
interests for financial accounting purposes; (xvii) make any loan or other
credit facility commitment to any borrower in excess of $1,000,000, or
compromise, extend, renew or modify any such loan or commitment outstanding in
excess of $1,000,000; (xviii) waive, release, grant or transfer any rights of
value, or modify or change in any material respect any existing agreement to
which Carnegie or any Carnegie subsidiary is a party, other than in the ordinary
course of business, consistent with past practice; (xix) take any action which
would cause any of the representations and warranties of Carnegie set forth in
the Merger Agreement to be untrue or the conditions set forth in the Merger
Agreement to be unsatisfied; or (xx) agree to do any of the foregoing.
    
 
     Carnegie has also agreed in the Merger Agreement, among other things, (i)
to permit Sovereign, if Sovereign elects to do so at its own expense, to cause a
"phase I environmental audit" to be performed at any physical site owned or
occupied by Carnegie or any subsidiary of Carnegie; (ii) to permit a
representative of Sovereign to attend committee meetings of the management of
Carnegie and Carnegie Bank, and to reasonably consider Sovereign's requests that
its representatives be permitted to attend meetings of Carnegie's Board of
Directors or Executive Committee; (iii) if Sovereign requests and agrees to bear
the expense, to retain a proxy solicitor in connection with the solicitation of
Carnegie shareholder approval of the Merger Agreement; (iv) if Sovereign
requests, to cause its independent certified public accountants to perform a
review of its unaudited consolidated financial statements as of the end of any
calendar quarter, in accordance with Statement of Auditing Standards No. 71, and
to issue their report on such financial statements; (v) if Sovereign requests,
to use its best
 
                                       32
<PAGE>

efforts to obtain an extension of any contract with an outside service bureau or
other vendor of services to Carnegie or any Carnegie subsidiary, on terms and
conditions mutually acceptable to Carnegie and Sovereign; (vi) to submit the
Merger Agreement to its shareholders for approval at a meeting to be held as
soon as practicable, and use its best efforts to cause its Board of Directors to
unanimously recommend approval of the Merger Agreement to Carnegie's
shareholders; (vii) to provide to Sovereign copies of the minutes of all
meetings of the Board of Directors of Carnegie and its subsidiaries, and of any
of their respective committees or of any senior management committee; and (viii)
to approve the Bank Merger as sole shareholder of Carnegie Bank.
 
     Sovereign and Carnegie have jointly agreed, among other things, (i) to
prepare all applications for, and use their best efforts to obtain, all required
regulatory consents; (ii) to take all actions necessary to complete the
transactions contemplated by the Merger Agreement; (iii) to maintain adequate
insurance; (iv) to maintain accurate books and records; (v) to file all tax
returns and pay all taxes when due; (vi) to cooperate with each other and use
their best efforts to identify those persons who may be deemed to be affiliates
of Carnegie; (vii) to agree upon the form and substance of any press release or
public disclosure related to the Merger Agreement, the Merger and the Bank
Merger; and (viii) to deliver to the other copies of all securities documents
when filed.
 
DIVIDENDS
 
     The Merger Agreement permits Carnegie to pay a regular quarterly cash
dividend not to exceed $.14 per share of Carnegie Common Stock outstanding.
Carnegie agreed in the Merger Agreement to cause, as promptly as practicable,
the regular quarterly dividend record dates and payment dates with respect to
Carnegie Common Stock to be the same as Sovereign's regular quarterly dividend
record dates and payment dates with respect to Sovereign Common Stock. The
Merger Agreement provides that nothing contained therein shall be construed to
permit shareholders of Carnegie to receive two dividends either from Carnegie or
Sovereign in any quarter or to deny or prohibit shareholders of Carnegie from
receiving one dividend from Carnegie or Sovereign in any quarter. Carnegie Bank
may pay cash dividends sufficient to permit payment of the dividends permitted
to be paid by Carnegie. No other dividends may be paid by Carnegie or Carnegie
Bank without the prior written consent of Sovereign.
 
NO SOLICITATION OF TRANSACTIONS
 
     The Merger Agreement provides that during the term of the Merger Agreement,
Carnegie shall not, nor shall it permit any Carnegie subsidiary or any other
affiliate of Carnegie or any officer, director or employee of any of them, or
any investment banker, attorney, accountant or other representative retained by
Carnegie, any Carnegie subsidiary or any other Carnegie affiliate to, directly
or indirectly, solicit, encourage, initiate or engage in discussions or
negotiations with, or respond to requests for information, inquiries, or other
communications from, any person other than Sovereign concerning the fact of, or
the terms and conditions of, the Merger Agreement, or concerning any acquisition
of Carnegie, any Carnegie subsidiary, or any assets or business thereof, except
(i) the Board of Directors of Carnegie may respond to unsolicited inquiries from
third parties to the extent required in order to fulfill its fiduciary duty and
(ii) Carnegie's officers may respond to inquiries from analysts, regulatory
authorities and holders of Carnegie Common Stock in the ordinary course of
business. The Merger Agreement provides that Carnegie shall notify Sovereign
immediately if any such discussions or negotiations are sought to be initiated
with Carnegie by any person other than Sovereign or if any such requests for
information, inquiries, proposals or communications are received from any person
other than Sovereign.
 
     The directors and executive officers of Carnegie have executed a letter
agreement containing provisions similar to those described above relating to
Carnegie, and such directors and executive officers have also agreed to vote
such shares of Carnegie Common Stock in favor of the Merger Agreement. A copy of
the form of letter agreement executed by the directors and executive officers of
Carnegie is included as Exhibit 1 to the Merger Agreement attached hereto as
Annex A.
 
                                       33
<PAGE>

AMENDMENT; WAIVERS
 
     Subject to applicable law, at any time prior to the consummation of the
transactions contemplated by the Merger Agreement, Sovereign and Carnegie may
(a) amend the Merger Agreement, (b) extend the time for the performance of any
of the obligations or other acts of Sovereign and Carnegie required in the
Merger Agreement, (c) waive any inaccuracies in the representations and
warranties contained in the Merger Agreement, or (d) waive compliance with any
of the agreements or conditions contained in the Merger Agreement.
 
TERMINATION; EFFECT OF TERMINATION
 
     The Merger Agreement may be terminated on or at any time prior to the
Effective Date, which Sovereign and Carnegie presently anticipate to occur on or
about July 31, 1998, (a) by the mutual written consent of Sovereign and
Carnegie; or (b) by Sovereign or Carnegie (i) if there shall have been any
breach of any material covenant or undertaking, representation or warranty of
Sovereign which results in a Material Adverse Effect with respect to Sovereign,
on the one hand, or of Carnegie which results in a Material Adverse Effect with
respect to Carnegie, on the other hand, and such breach has not been
substantially cured by the earlier of (A) within 30 days after the date written
notice of such breach is given to the party committing such breach or (B) the
Effective Date; (ii) if the Closing Date shall not have occurred on or before
September 30, 1998, unless the failure of such occurrence shall be due to the
failure of the party seeking to terminate the Merger Agreement to perform or
observe its agreements set forth in the Merger Agreement required to be
performed or observed by such party on or before the Effective Date; or (iii) if
either party has been informed in writing by any banking agency or department of
any federal or state government whose approval or consent has been requested
that such approval or consent is unlikely to be granted, unless the failure of
such occurrence shall be due to the failure of the party seeking to terminate
the Merger Agreement to perform or observe its agreements set forth in the
Merger Agreement and required to be performed or observed by such party on or
before the Effective Date.
 
     In addition, the Merger Agreement may be terminated by Carnegie on the
Closing Date, if both:
 
          (a) the Sovereign Market Value as of the Determination Date (i.e., the
     date immediately preceding the Closing Date) is less than $12.06; and
 
   
          (b) the quotient obtained by dividing the Sovereign Market Value as of
     the Determination Date by $16.08 (being the closing sale price of Sovereign
     Common Stock immediately prior to public announcement of the Merger) (the
     "Sovereign Ratio") is less than the quotient obtained by dividing the
     weighted average closing price per share (the "Index Price") of the common
     stocks of a group of nine specified thrift holding companies (the "Index
     Group"), which are identified below, as of the Determination Date by $31.76
     (being the Index Price on December 11, 1997) and subtracting 0.15 from such
     latter number (after such subtraction, the "Index Ratio").
    
 
Notwithstanding Carnegie's right to terminate the Merger Agreement, as a result
of the foregoing, Sovereign may override Carnegie's election to terminate by
increasing the Exchange Ratio to equal the quotient obtained by dividing $28.53
by the Sovereign Market Value. There can be no assurance that Carnegie would
exercise its right to terminate the Merger Agreement if a Termination Event
(i.e., the conditions described above) exists, and if Carnegie does elect to so
terminate the Merger Agreement, there can be no assurance that Sovereign will
elect to increase the Exchange Ratio as provided in the Merger Agreement and as
illustrated below.
 
     Certain possible effects of the above provisions of the Exchange Ratio may
be illustrated by the following three scenarios:
 
          (1) If the Sovereign Market Value as of the Determination Date is not
     less than $12.06 (as adjusted for the Stock Split), there would be no
     Termination Event and no adjustment to the Exchange Ratio.
 
                                       34
<PAGE>

          (2) If the Sovereign Market Value on the Determination Date is less
     than $12.06, but the Sovereign Ratio is equal to or greater than the Index
     Ratio, there would be no Termination Event and no increase in the Exchange
     Ratio.
 
          (3) If the Sovereign Market Value on the Determination Date is less
     than $12.06 and the Sovereign Ratio is less than the Index Ratio, there
     would be a Termination Event and the Carnegie Board of Directors could, at
     its sole option, elect to terminate the Merger Agreement; provided that
     Sovereign could, at its sole option, override such termination by electing
     to increase the Exchange Ratio to equal the quotient obtained by dividing
     $28.53 by the Sovereign Market Value as of the Determination Date.
 
     The above scenarios are for illustrative purposes only and are not intended
to, and do not, reflect the value of the Sovereign Common Stock that may
actually be received by holders of Carnegie Common Stock in the Merger, nor do
they reflect all possible termination/increase scenarios.
 
     Carnegie shareholders should be aware that the Sovereign Market Value as of
the Determination Date, on which the occurrence of a Termination Event and the
subsequent increase, if any, in the Exchange Ratio may be determined, will be
based on the average of the closing sale prices of Sovereign Common Stock during
a 15-day trading period ending on the Determination Date. Accordingly, because
the market price of Sovereign Common Stock between the Determination Date and
the Effective Date, as well as on the date certificates representing shares of
Sovereign Common Stock are delivered in exchange for shares of Carnegie Common
Stock following consummation of the Merger, will fluctuate and possibly decline,
the value of the Sovereign Common Stock actually received by holders of Carnegie
Common Stock may be more or less than (i) the Sovereign Market Value as of the
Determination Date, or (ii) the value of the Sovereign Common Stock on the
Closing Date resulting from the Exchange Ratio or any possible adjustment to the
Exchange Ratio as illustrated above.
 
     The Index Group consists of nine thrift holding companies selected by
Sovereign and Carnegie as being directly relevant for purposes of distinguishing
changes in Sovereign's stock prices that are unique from those reflective of
general changes in comparable companies. The nine thrift holding companies are
GreenPoint Financial Corp., Charter One Financial, Dime Bancorp, Inc.,
Washington Federal, Inc., Long Island Bancorp, Inc., Bank United Corp., Astoria
Financial Corporation, Peoples Heritage Financial Group, and Golden State
Bancorp. If Sovereign or any company belonging to the Index Group undergoes a
reclassification, recapitalization, split-up, combination, exchange of shares or
similar transaction between December 11, 1997 and the Determination Date, the
prices of Sovereign Common Stock or such other common stocks shall be
appropriately adjusted. In the event the common stock of any such company ceases
to be publicly traded or there has been an announcement of a proposal for the
acquisition or sale of such company, such company will be removed from the Index
Group and the weights will be redistributed proportionately for purposes of
determining whether there has been a Termination Event.
 
     It is not possible to know whether a Termination Event will occur until
after the Determination Date. The Carnegie Board of Directors has made no
decision as to whether it would exercise its right to terminate the Merger
Agreement if there is a Termination Event. In considering whether to exercise
its termination right in such situation, the Carnegie Board of Directors would,
consistent with its fiduciary duties, take into account all relevant facts and
circumstances that exist at such time and would consult with its financial
advisors and legal counsel. Approval of the Merger Agreement by the shareholders
of Carnegie at the Annual Meeting will confer on the Carnegie Board of Directors
the power, consistent with its fiduciary duties, to elect to consummate the
Merger in the event of a Termination Event whether or not there is any increase
in the Exchange Ratio and without any further action by, or resolicitation of,
the shareholders of Carnegie. If the Carnegie Board of Directors elects to
exercise its termination right, Carnegie must give Sovereign prompt notice of
that decision on the Closing Date. Sovereign has the option, in its sole
discretion, to increase the Exchange Ratio in the manner set forth in the Merger
Agreement and as illustrated above and thereby avoid such termination of the
Merger Agreement. However, Sovereign is under no obligation to increase the
Exchange Ratio, and there can
 
                                       35
<PAGE>

be no assurance that Sovereign would elect to increase the Exchange Ratio if the
Carnegie Board of Directors were to exercise its right to terminate the Merger
Agreement as set forth above. Any such decision would be made by Sovereign in
light of the circumstances existing at the time Sovereign has the opportunity to
make such an election.
 
     The foregoing discussion is qualified in its entirety by reference to the
applicable provisions in the Merger Agreement (a copy of which is set forth as
Annex A to this Proxy Statement/ Prospectus) relating to possible increase of
the Exchange Ratio as the result of a Termination Event.
 
     In the event of termination of the Merger Agreement by either Sovereign or
Carnegie, there will be no liability or obligation on the part of Sovereign or
Carnegie other than the obligation dealing with confidentiality and other than
any liabilities or damages incurred as a result of the willful breach by a party
of any of its representations, warranties, covenants or agreements set forth in
the Merger Agreement.
 
MANAGEMENT AND OPERATIONS AFTER THE MERGER
 
  Directors and Executive Officers
 
     The Board of Directors and executive officers of Sovereign in office
immediately prior to the Effective Date of the Merger will constitute
Sovereign's Board of Directors and executive officers after completion of the
Merger.
 
     The Board of Directors and executive officers of Sovereign Bank in office
immediately prior to the Effective Date of the Bank Merger will constitute
Sovereign Bank's Board of Directors and executive officers after completion of
the Bank Merger.
 
  Consolidation of Operations
 
   
     Sovereign expects to achieve certain cost savings and operating synergies
as a result of the Merger. These costs savings and operating synergies are
anticipated to aggregate approximately 40% to 50% of Carnegie's recurring
operating expenses, and are expected to be substantially realized within twelve
(12) months following the Effective Date. Sovereign expects that such cost
savings and operating synergies will be realized primarily as the result of the
elimination of duplicative administrative and back office functions. Because of
the uncertainties inherent in merging two financial institutions, changes in the
regulatory environment and changes in economic conditions, no assurances can be
given that any particular level of cost savings will be realized, that any such
cost savings will be realized over the time period currently anticipated or that
such cost savings will not be offset to some degree by increases in other
expenses, including expenses relating to integrating the two companies.
    
 
   
     Any such expected cost savings or synergies do not give effect to an
expected one-time after-tax charge of approximately $7.0 to $8.0 million,
relating to Merger expenses, which will be incurred upon completion of the
Merger. Such expenses will be incurred principally as a result of an addition to
the allowance for possible loan losses which Sovereign has determined will be
necessary in connection with a change in strategy related to problem assets,
losses on sales of assets, payments to executive officers of Carnegie under
existing employment contracts containing change in control related obligations,
other severance payments and asset writedowns and transaction costs directly
related to the Merger.
    
 
EMPLOYEE BENEFITS AND SEVERANCE
 
     Sovereign intends to maintain employee benefits for Carnegie and Carnegie
Bank employees at levels which, in the aggregate, are at least as favorable as
such benefits which existed as of December 12, 1997. On and after the Effective
Date, so long as such benefits are so maintained, the employee pension and
welfare benefit plans of Sovereign and Carnegie may, at Sovereign's election,
continue to be maintained separately or consolidated. In the event of a
consolidation of any or all of such plans,
 
                                       36
<PAGE>

Carnegie and Carnegie Bank employees shall receive credit for service with
Carnegie or Carnegie Bank under Sovereign's pension and 401(k) plans, but not
under Sovereign's Employee Stock Ownership Plan, for purposes of eligibility and
vesting determination.
 
   
     In the Merger Agreement, Sovereign agreed to cause Sovereign Bank to
provide severance to employees of Carnegie Bank whose employment is terminated
in connection with the Merger within three (3) months of the Effective Date,
either because such employee's position is eliminated or such employee is not
offered comparable employment (i.e., not offered employment for a position of
generally similar job description or responsibilities in a location within 30
miles from an employee's work location), excluding any employee who has an
existing employment or consulting agreement or whose employment is terminated
for cause, as follows, provided such employees execute such documentation as
Sovereign may reasonably require, including Sovereign's customary form of
release: (i) employees with a title of vice president or higher and employees
with five or more years of service shall be entitled to two weeks of base salary
as severance pay for each year of service with Carnegie or Carnegie Bank, with a
two-week minimum; and (ii) employees with a title lower than vice president
(other than employees with five or more years of service) shall be entitled to
one week of base salary as severance pay for each year of service with Carnegie
or Carnegie Bank, with a one-week minimum. Employees of Carnegie Bank who do not
execute the documentation required by Sovereign with respect to termination
benefits will be entitled to the termination benefits provided under Carnegie
Bank's severance policies.
    
 
ACCOUNTING TREATMENT
 
     The Merger is expected to qualify as a pooling of interests for accounting
and financial reporting purposes. Under this method of accounting, the recorded
assets and liabilities of Sovereign and Carnegie will be carried forward to the
combined corporation at their recorded amounts; income of the combined
corporation will include income of both Sovereign and Carnegie for the entire
fiscal year of Sovereign in which the Merger occurs; and the reported income of
the separate corporations for prior periods will be combined and restated as
income of the combined corporation. Expenses incurred in connection with the
Merger will constitute expenses for the accounting periods to which such
expenses relate. The receipt of a letter from Sovereign's independent auditors
confirming that the Merger will qualify for pooling of interests accounting is a
condition to Sovereign's obligation to complete the Merger.
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     Completion of the Merger is conditioned upon delivery to Sovereign and to
Carnegie of an opinion of Stevens & Lee, P.C., counsel to Sovereign, that for
federal income tax purposes, under current law, assuming that the Merger and
related transactions will take place as described in the Merger Agreement, among
other things, the Merger will constitute a reorganization within the meaning of
Section 368(a) of the Code, and Sovereign and Carnegie will each be a party to
the reorganization within the meaning of Section 368(b) of the Code.
 
     In that case, in the opinion of Stevens & Lee, P.C., the following would be
the material federal income tax consequences of the Merger:
 
          (i) no gain or loss will be recognized by Sovereign or Carnegie in the
     Merger;
 
          (ii) no gain or loss will be recognized by holders of shares of
     Carnegie Common Stock upon their receipt of Sovereign Common Stock in
     exchange for their Carnegie Common Stock, except that shareholders who
     receive cash proceeds for fractional interests in Sovereign Common Stock
     will recognize gain or loss equal to the difference between such proceeds
     and the tax basis allocated to their fractional share interests, and such
     gain or loss will constitute capital gain or loss if their Carnegie Common
     Stock is held as a capital asset at the Effective Date;
 
                                       37
<PAGE>

          (iii) the tax basis of the shares of Sovereign Common Stock (including
     fractional share interests) received by the shareholders of Carnegie will
     be the same as the tax basis of their Carnegie Common Stock exchanged
     therefor; and
 
          (iv) the holding period of the Sovereign Common Stock in the hands of
     the Carnegie shareholders will include the holding period of their Carnegie
     Common Stock exchanged therefor, provided such Carnegie Common Stock is
     held as a capital asset at the Effective Date.
 
     Under the Merger Agreement, the condition that Stevens & Lee, P.C. deliver
the opinion described above can be waived by Sovereign and Carnegie. However, in
the event that the delivery of such opinion of counsel is waived, or such
opinion would otherwise set forth tax consequences materially different to a
shareholder than those described above, Carnegie intends to resolicit proxies as
required in accordance with the rules and regulations of the Commission.
 
     THE DISCUSSION SET FORTH ABOVE IS INCLUDED FOR GENERAL INFORMATION ONLY AND
IS BASED ON CURRENTLY EXISTING PROVISIONS OF THE CODE, EXISTING AND PROPOSED
TREASURY REGULATIONS THEREUNDER, AND CURRENT ADMINISTRATIVE RULINGS AND COURT
DECISIONS. ALL OF THE FOREGOING ARE SUBJECT TO CHANGE AND ANY SUCH CHANGE COULD
AFFECT THE CONTINUING VALIDITY OF THE DISCUSSION. THE DISCUSSION IS NOT A
COMPLETE DESCRIPTION OF ALL THE FEDERAL INCOME TAX CONSEQUENCES OF THE MERGER
AND, IN PARTICULAR, DOES NOT ADDRESS TAX CONSIDERATIONS THAT May AFFECT THE
TREATMENT OF SHAREHOLDERS WHO ACQUIRED THEIR CARNEGIE COMMON STOCK PURSUANT TO
THE EXERCISE OF EMPLOYEE STOCK OPTIONS OR OTHERWISE AS COMPENSATION, OR
SHAREHOLDERS WHICH ARE EXEMPT ORGANIZATIONS OR WHO ARE NOT CITIZENS OR RESIDENTS
OF THE UNITED STATES. EACH SHAREHOLDER'S INDIVIDUAL CIRCUMSTANCES May AFFECT THE
TAX CONSEQUENCES OF THE MERGER TO SUCH SHAREHOLDER. IN ADDITION, NO INFORMATION
IS PROVIDED HEREIN WITH RESPECT TO THE TAX CONSEQUENCES OF THE MERGER UNDER
APPLICABLE STATE, LOCAL, OR FOREIGN LAWS. ACCORDINGLY, EACH CARNEGIE SHAREHOLDER
IS ADVISED TO CONSULT A TAX ADVISOR AS TO THE SPECIFIC TAX CONSEQUENCES OF THE
MERGER TO SUCH SHAREHOLDER.
 
EXPENSES
 
     Sovereign and Carnegie will each pay all their respective costs and
expenses incurred in connection with the transactions contemplated by the Merger
Agreement, including fees and expenses of financial consultants, accountants and
legal counsel, except that (i) the cost of printing and mailing this Proxy
Statement/Prospectus will be shared equally by Sovereign and Carnegie and (ii)
if Sovereign requests Carnegie to retain a proxy solicitor in connection with
the solicitation of Carnegie shareholder approval of the Merger Agreement,
Sovereign will bear the expense of such proxy solicitor.
 
RESALE OF SOVEREIGN COMMON STOCK
 
     The Sovereign Common Stock issued pursuant to the Merger will be freely
transferable under the Securities Act except for shares issued to any Carnegie
shareholder who may be deemed to be an "affiliate" of Carnegie or Sovereign for
purposes of Rule 145 under the Securities Act. Each director and executive
officer of Carnegie has entered into an agreement with Sovereign providing that,
as an affiliate, he or she will not transfer any Sovereign Common Stock received
in the Merger except in compliance with the Securities Act and will make no
dispositions of any Sovereign Common Stock or Carnegie Common Stock (or any
interest therein) during the period commencing 30 days prior to the Effective
Date through the date on which financial results covering at least 30 days of
combined operations of Sovereign and Carnegie after the Merger have been made
public. This Proxy Statement/Prospectus does not cover resales of Sovereign
Common Stock received by any person who may be deemed an affiliate of Carnegie
or Sovereign.
 
                                       38
<PAGE>

NO DISSENTERS' RIGHTS OF APPRAISAL
 
   
     Holders of shares of Carnegie Common Stock will not be entitled to
dissenters' rights under the New Jersey BCA in connection with the matters to be
acted on at the Annual Meeting. See "COMPARISON OF SHAREHOLDER RIGHTS --
Dissenters' Rights" for a more detailed discussion.
    
 
DIVIDEND REINVESTMENT PLAN
 
     Sovereign currently maintains a Dividend Reinvestment and Stock Purchase
Plan. This plan provides shareholders of Sovereign with a simple and convenient
method of investing cash dividends, as well as voluntary cash payments, in
additional shares of Sovereign Common Stock, without payment of any brokerage
commission or service charge. It is anticipated that, after the Effective Date,
Sovereign will continue to offer this plan, and shareholders of Carnegie who
become shareholders of Sovereign will be eligible to participate therein.
 
                   INTERESTS OF CERTAIN PERSONS IN THE MERGER
 
     Certain members of Carnegie's management, Carnegie Bank's management, the
Board of Directors of Carnegie and the Board of Directors of Carnegie Bank may
be deemed to have interests in the Merger in addition to their interests, if
any, in Carnegie Common Stock. The Carnegie Board of Directors was aware of
these factors and considered them, among other matters, in approving the Merger
Agreement and the transactions contemplated thereby.
 
STOCK OPTIONS
 
   
     As of May 1, 1998, the directors and executive officers of Carnegie
beneficially own approximately 556,799 shares of Carnegie Common Stock,
including Management Options to purchase 378,248 shares of Carnegie Common
Stock. On the Effective Date, each Management Option, whether or not such
Management Option is exercisable on the Effective Date, shall cease to be
outstanding and shall be converted on the Effective Date into and become an
option to acquire that number of shares of Sovereign Common Stock equal to the
number of shares of Carnegie Common Stock covered by the Management Option
multiplied by the Exchange Ratio, at an exercise price equal to the present
stated exercise price of such option divided by the Exchange Ratio. Shares
issuable upon the exercise of such options to acquire Sovereign Common Stock
shall be issuable in accordance with the terms of the respective plans and grant
agreements of Carnegie under which they were issued.
    
 
INDEMNIFICATION; DIRECTORS AND OFFICERS INSURANCE
 
     Sovereign has agreed in the Merger Agreement that, on or after the
Effective Date, Sovereign shall indemnify, defend and hold harmless all prior
and then-existing directors and officers of Carnegie and Carnegie Bank against
(i) all losses, claims, damages, costs, expenses, liabilities or judgments or
amounts that are paid in settlement (with the approval of Sovereign which
approval shall not be unreasonably withheld) of or in connection with any claim,
action, suit, proceeding or investigation based in whole or in part on or
arising in whole or in part out of the fact that such person is or was a
director, officer or employee of Carnegie or any Carnegie subsidiary, whether
pertaining to any matter existing or occurring at or prior to the Effective Date
and whether asserted or claimed prior to, or at or after, the Effective Date
("Indemnified Liabilities") and (ii) all Indemnified Liabilities based in whole
or in part on, or arising in whole or in part out of, or pertaining to the
Merger Agreement or the transactions contemplated by the Merger Agreement, to
the same extent as such officer, director or employee would be indemnified by
Carnegie or Carnegie Bank as of December 12, 1997, including the right to
advancement of expenses, provided, however, that any such officer, director or
employee of Carnegie or Carnegie Bank may not be indemnified by Sovereign and/or
Carnegie Bank if such indemnification is prohibited by applicable law.
 
                                       39
<PAGE>

     Sovereign has agreed to maintain Carnegie's existing directors' and
officers' liability insurance policy, or a policy providing comparable coverage
amounts on terms no less favorable, including Sovereign's existing policy if it
meets the foregoing standard, covering persons currently covered by such
insurance for a period of six years after the Effective Date, subject to certain
maximum cost limits.
 
EMPLOYMENT AND OTHER AGREEMENTS
 
     In the Merger Agreement, Sovereign has agreed to honor the employment
agreements Carnegie entered into with Mr. Thomas L. Gray, Jr., President and
Chief Executive Officer of Carnegie, and Mr. Mark A. Wolters, Executive Vice
President of Carnegie.
 
   
     Carnegie's employment agreement with Mr. Gray, dated January 1, 1997, (the
"Gray Employment Agreement") provides for a three-year term, and further
provides that it will automatically be renewed for a one-year term on each
anniversary date unless, ninety days prior to such anniversary date, either
party provides written notice of its intention not to renew. The Gray Employment
Agreement provides that Mr. Gray will receive an annual base salary of $210,000
for fiscal 1998, and that his base salary will be reviewed annually by the
Carnegie Board of Directors. In addition, the Gray Employment Agreement provides
that Mr. Gray is to receive an annual bonus of not less than 6% of the adjusted
net after tax income of Carnegie and such other compensation as determined by
Carnegie Board of Directors. The Gray Employment Agreement permits Carnegie to
terminate Mr. Gray's employment for cause at any time. The Gray Employment
Agreement defines cause to mean (i) willful and continued failure to perform
duties; (ii) fraud, misappropriation or material damage to the property or
business of Carnegie; (iii) willful violation of law or conviction or admission
of, or plea of nolo contendere to, any felony which would adversely effect the
executive's ability to perform his duties; or (iv) willful violation of any law,
rule or regulation (other than traffic violations or similar offenses) or final
cease-and-desist order issued by, or regulatory consent agreement with, any
banking regulatory agency having jurisdiction over Carnegie or any of its
subsidiaries. In the event Mr. Gray is terminated for reasons other than cause
prior to the expiration of the term of the Agreement, Mr. Gray shall be entitled
to receive his base salary and bonus for the remaining term. In addition,
Carnegie is to maintain medical and life insurance benefits for Mr. Gray for the
remaining term. Mr. Gray may terminate his employment upon 60 days' notice to
Carnegie. Upon the occurrence of a change in control (as defined in the Gray
Employment Agreement) which results in Mr. Gray's involuntary termination
without cause or Mr. Gray's voluntary resignation within 18 months of such
change in control because (i) he is reassigned to a position of lesser rank or
status than Chief Executive Officer; (ii) his place of employment is relocated
by more than thirty miles from its location as of the date of the Employment
Agreement; or (iii) his compensation or other benefits are reduced, Mr. Gray
will be entitled to receive his base salary and bonuses for a period of thirty
(30) months after such termination. In addition, Carnegie will continue to
maintain Mr. Gray's medical and dental insurance and other benefits in effect
through the end of such 30-month period. Mr. Gray has indicated his intention to
terminate his employment upon the Effective Date. Sovereign has agreed that Mr.
Gray shall be paid his termination benefits under his employment agreement
calculated as though a change in control had occurred on June 30, 1998.
Accordingly, in connection with consummation of the Merger, Mr. Gray will
receive payments, including the value of non-cash benefits, having a present
value of approximately $1,123,565 under his employment agreement.
    
 
   
     Carnegie's employment agreement with Mr. Wolters, dated January 1, 1997,
(the "Wolters Employment Agreement") provides for a term of three years and his
employment is subject to automatic renewal for an additional one-year term on
each anniversary date unless, ninety days prior to such anniversary date, either
party provides written notice of its intention not to renew. Mr. Wolters' annual
base salary is $100,000 for fiscal 1998 and his base salary is subject to annual
review by the Carnegie Board of Directors. In addition, Mr. Wolters is entitled
to receive a bonus in an amount equal to 2% of the adjusted net after-tax income
of Carnegie and such other compensation as determined by the Carnegie Board of
Directors. The Wolters Employment Agreement permits Carnegie to terminate Mr.
Wolters' employment for cause. Cause is defined under the Wolters Employment
Agreement in
    
 
                                       40
<PAGE>

   
the same manner as it is defined under the Gray Employment Agreement. In the
event Mr. Wolters is terminated for reasons other than cause prior to the
expiration of the initial three year term, Mr. Wolters shall be entitled to
receive his salary and bonus for the remaining term. Mr. Wolters may terminate
his employment upon 60 days' written notice to Carnegie. In addition, Carnegie
shall maintain Mr. Wolters' medical and dental insurance and other benefits for
the remaining term. Upon the occurrence of a change in control (as defined in
the Wolters Employment Agreement) and the subsequent involuntary termination of
Mr. Wolters without cause or his voluntary resignation within 18 months of such
change in control because (i) he is reassigned to a position of lesser rank or
status than Executive Vice President, (ii) his principal place of employment is
moved by more than 30 miles from its current place, or (iii) his compensation or
other benefits are reduced, Mr. Wolters will be entitled to receive his then
current base salary and bonus for 18 months after such termination. In addition,
Carnegie will continue to maintain Mr. Wolters' medical and dental insurance and
other benefits in effect through the end of such 18 month period. Mr. Wolters
has indicated his intention to terminate his employment upon the Effective Date.
Sovereign has agreed that Mr. Wolters shall be paid his termination benefits
under his employment agreement calculated as though a change in control had
occurred on June 30, 1998. Accordingly, in connection with consummation of the
Merger, Mr. Wolters will receive payments, including the value of non-cash
benefits, having a present value of approximately $308,663, under his employment
agreement.
    
 
   
     In the Merger Agreement, Sovereign has agreed to honor the consulting
agreement, dated January 1, 1997, between Carnegie and Mr. Bruce Mahon, Chairman
of the Board of Carnegie. Pursuant to the consulting agreement, Mr. Mahon
receives an annual consulting fee of $100,000. The consulting agreement has a
term of two and one-half (2 1/2) years from the Closing Date. The consulting
agreement can be terminated at any time for cause. Cause is defined in the
consulting agreement as (i) the consultant's willful and continued failure to
perform his duties; (ii) fraud, misappropriation or other intentional damage to
the property or business of Carnegie; or (iii) the consultant's admission or
conviction of, or plea of nolo contendere to any felony that adversely affects
Carnegie. In the event of Mr. Mahon's death, Carnegie is obligated to reimburse
his estate for any unpaid fees and expenses for services rendered prior to his
death.
    
 
   
     The consulting agreement provides, among other things, that upon the
voluntary or involuntary termination of the agreement following a "change in
control" of Carnegie (which would include the Merger) he would be entitled to
receive the consulting fee for a period of 30 months after such termination. Mr.
Mahon has indicated his intention to terminate the consulting agreement upon the
Effective Date. Sovereign has agreed that Mr. Mahon shall be paid the
termination benefits under the consulting agreement calculated as though a
change in control had occurred on June 30, 1998. Accordingly, in connection with
consummation of the Merger, Mr. Mahon will receive payments, including the value
of non-cash benefits, having a present value of approximately $216,019 under his
employment agreement.
    
 
     In the Merger Agreement, Sovereign has agreed that Mr. Richard Rosa, Senior
Vice President and Chief Financial Officer of Carnegie, will be entitled to six
months of base salary which by agreement includes an allowance for car expenses,
medical and dental benefits, and bonus (based on his 1997 bonus), as severance
pay in the event Mr. Rosa's employment is terminated in connection with the
Merger within three months of the Effective Date, either because his position is
eliminated or he is not offered comparable employment (i.e., not offered
employment for a position of generally similar job description or
responsibilities in a location within 30 miles of his present work location).
Assuming a change in control occurred on June 30, 1998, followed by Mr. Rosa's
termination of employment, he would receive payments, including the value of
non-cash benefits, having a present value of approximately $61,183.
 
                                       41
<PAGE>

                          CERTAIN RELATED TRANSACTIONS
 
STOCK OPTION AGREEMENT
 
     General.  As a condition to Sovereign entering into the Merger Agreement,
Carnegie executed and delivered to Sovereign the Stock Option Agreement, dated
December 12, 1997 (the "Stock Option Agreement"), which permits Sovereign to
purchase Carnegie Common Stock under certain circumstances. Pursuant to the
Stock Option Agreement, Sovereign was granted an option (the "Option") to
purchase up to 543,888 shares of Carnegie Common Stock (representing
approximately 19.9% of the issued and outstanding shares of Carnegie Common
Stock on December 11, 1997). The exercise price per share to purchase Carnegie
Common Stock under the Option is equal to the lower of $31.00 or the lowest
price per share that a person or group, other than Sovereign or an affiliate of
Sovereign, paid or offers to pay for Carnegie Common Stock upon the occurrence
of one of the specified events that trigger exercise of the option. The Option
may only be exercised, in whole or in part, upon the occurrence of certain
events (collectively, "Triggering Events"), which are described below (none of
which have occurred to the best of Sovereign's or Carnegie's knowledge as of the
date of this Proxy Statement/Prospectus).
 
     Effect of Stock Option Agreement.  The Stock Option Agreement, together
with (i) Carnegie's agreement to not solicit other transactions relating to the
acquisition of Carnegie by a third party and (ii) the agreement of Carnegie's
directors and executive officers to vote their shares in favor of the Merger
Agreement (see "THE MERGER -- No Solicitation of Transactions"), may have the
effect of discouraging persons who might now or prior to the Effective Date be
interested in acquiring all of or a significant interest in Carnegie from
considering or proposing such an acquisition, even if such persons were prepared
to pay a higher price per share for Carnegie Common Stock than the price per
share implicit in the Merger Consideration. Certain attempts to acquire Carnegie
or an interest in Carnegie would cause the Option to become exercisable as
described above. Sovereign's exercise of such Option would significantly
increase a potential acquiror's cost of acquiring Carnegie compared to the cost
that would be incurred without the Stock Option Agreement. Such increased cost
might discourage a potential acquiror from considering or proposing an
acquisition or might result in a potential acquiror proposing to pay a lower per
share price to acquire Carnegie than it might otherwise have proposed to pay. In
addition, the management of Sovereign and Carnegie believe that the existence of
the Stock Option Agreement is likely to prohibit any acquiror of Carnegie from
accounting for any acquisition of Carnegie using the "pooling of interests"
accounting method. In addition, exercise of the Option would increase the
ability of Sovereign to obtain the approval of Carnegie's shareholders necessary
to complete the Merger and adversely affect the ability of a third party to
obtain any necessary approval of such shareholders to complete an alternative
transaction.
 
     Terms of Stock Option Agreement.  The following is a brief summary of
certain provisions of the Stock Option Agreement, a complete copy of which is
included as Annex B to this Proxy Statement/Prospectus. The following summary is
qualified in its entirety by reference to the Stock Option Agreement.
 
     The Option is exercisable only upon the occurrence of a Triggering Event.
As used in the Stock Option Agreement, the term "Triggering Event" means the
occurrence of any of the following events:
 
          (a) a person or group, other than Sovereign or an affiliate of
     Sovereign, acquires beneficial ownership of 10% or more of the then
     outstanding shares of Carnegie Common Stock (excluding any shares eligible
     to be reported on Schedule 13G of the Commission); or
 
          (b) a person or group, other than Sovereign or an affiliate of
     Sovereign, enters into an agreement or letter of intent with Carnegie
     pursuant to which such person or group or any affiliate of such person or
     group would (i) merge or consolidate, or enter into any similar
     transaction, with Carnegie, (ii) acquire all or substantially all of the
     assets or liabilities of Carnegie or all or substantially all of the assets
     or liabilities of Carnegie Bank, or (iii) acquire beneficial ownership of
     securities representing, or the right to acquire beneficial ownership or to
     vote securities representing, 10% or more of the then outstanding shares of
     Carnegie Common Stock (excluding
 
                                       42
<PAGE>

     any shares eligible to be reported on Schedule 13G of the Commission) or
     the then outstanding shares of common stock of Carnegie Bank, or
 
          (c) a person or group, other than Sovereign or an affiliate of
     Sovereign, publicly announces a bona fide proposal (including a written
     communication that is or becomes the subject of public disclosure) for (i)
     any merger, consolidation or acquisition of all or substantially all the
     assets or liabilities of Carnegie or all or substantially all the assets or
     liabilities of Carnegie Bank, or any other business combination involving
     Carnegie or Carnegie Bank or (ii) a transaction involving the transfer of
     beneficial ownership of securities representing, or the right to acquire
     beneficial ownership or to vote securities representing, 10% or more of the
     then outstanding shares of Carnegie Common Stock or the then outstanding
     shares of common stock of Carnegie Bank (collectively, a "Proposal"), and
     thereafter, if such Proposal has not been Publicly Withdrawn (as defined in
     the Stock Option Agreement) at least 30 days prior to the meeting of
     shareholders of Carnegie called to vote on the Merger, Carnegie's
     shareholders fail to approve the Merger by the vote required by applicable
     law at the meeting of shareholders called for such purpose or such meeting
     has been cancelled; or
 
          (d) a person or group, other than Sovereign or an affiliate of
     Sovereign, makes a bona fide Proposal and thereafter, but before such
     Proposal has been Publicly Withdrawn, Carnegie willfully takes any action
     in a manner which would likely result in the failure of either party to
     satisfy a material condition to the closing of the Merger or materially
     reduce the value of the transaction to Sovereign; or
 
          (e) Carnegie breaches, in any material respect, any binding term of
     the Merger Agreement or the Stock Option Agreement after a Proposal is made
     and before it is Publicly Withdrawn or Carnegie publicly announces an
     intention to authorize, recommend or accept any such Proposal.
 
     The Option expires on the earlier of (i) the Effective Date of the Merger
or (ii) termination of the Merger Agreement in accordance with its terms, except
that if (A) the Merger Agreement is terminated by Sovereign as a result of a
breach by Carnegie of any representation, warranty, covenant or other obligation
of Carnegie which results in a Material Adverse Effect with respect to Carnegie
(and such breach has not been substantially cured by the earlier of 30 days
after the date on which written notice of such breach is given to Carnegie) or
the Effective Date or (B) the Closing Date shall not have occurred by September
30, 1998 and such failure to close by September 30, 1998 shall be due to the
failure by Carnegie to perform or observe its agreements set forth in the Merger
Agreement required to be performed or observed by Carnegie, then the Stock
Option Agreement shall not terminate until one year after the date of
termination of the Merger Agreement. The closing of a purchase of shares
pursuant to the Stock Option Agreement will be deferred until receipt of all
governmental or regulatory approvals (including applicable waiting periods)
necessary for Carnegie to issue the shares subject to the Option.
 
     In the event of any change in Carnegie Common Stock by reason of stock
dividends, split-ups, recapitalizations, combinations, conversions, divisions,
exchanges of shares or the like, the number and kind of shares issuable pursuant
to the Option will be adjusted appropriately.
 
     Carnegie has granted Sovereign certain registration rights with respect to
shares of Carnegie Common Stock issuable upon exercise of the Option.
 
                                       43
<PAGE>

                     INFORMATION WITH RESPECT TO SOVEREIGN
 
GENERAL
 
     Financial and other information relating to Sovereign, including
information relating to Sovereign's directors and executive officers, is
incorporated herein by reference. See "INCORPORATION OF CERTAIN DOCUMENTS BY
REFERENCE" and "AVAILABLE INFORMATION."
 
MARKET PRICE OF AND DIVIDENDS ON SOVEREIGN COMMON STOCK AND RELATED SHAREHOLDER
MATTERS
 
   
     The Sovereign Common Stock is listed on the Nasdaq Stock Market National
Market under the symbol SVRN. As of June 15, 1998, Sovereign had approximately
13,300 shareholders of record. The table below sets forth for the periods
indicated the amount of dividends paid per share and the quarterly ranges of
high and low sales prices for Sovereign Common Stock as reported by the Nasdaq
Stock Market National Market and does not necessarily reflect mark-ups,
mark-downs or commissions.
    
 
   
<TABLE>
<CAPTION>
                                                            QUARTERLY
                                                  ------------------------------
                 QUARTER ENDED                    DIVIDEND     HIGH       LOW
                 -------------                    --------   --------   --------
<S>                                               <C>        <C>        <C>
June 30, 1998(1)................................   $.0200    $22.1875   $16.3125
March 31, 1998..................................    .0174     18.9375    14.9375
December 31, 1997...............................    .0137     18.0000    14.3125
September 30, 1997..............................    .0337     14.5625    12.2500
June 30, 1997...................................    .0357     12.6875     9.5000
March 31, 1997..................................    .0357     11.6875     9.1250
December 31, 1996...............................    .0336      9.4375     7.5625
September 30, 1996..............................    .0344      7.6250     6.6875
</TABLE>
    
 
- ------------------
   
(1) Through June 22, 1998.
    
 
   
     On December 11, 1997, the last business day preceding public announcement
of the Merger, the last sale price for Sovereign Common Stock was $17.92 per
share. On June 25, 1998, the last sale price for the Sovereign Common Stock was
$16.625 per share. The average weekly trading volume for the Sovereign Common
Stock during the quarter ended March 31, 1998 was approximately 927,000 shares.
    
 
     For certain limitations on the ability of Sovereign Bank to pay dividends
to Sovereign, see Sovereign's Annual Report on Form 10-K for the year ended
December 31, 1997, which is incorporated herein by reference. See "INCORPORATION
OF CERTAIN DOCUMENTS BY REFERENCE."
 
                                       44
<PAGE>

                      INFORMATION WITH RESPECT TO CARNEGIE
 
BUSINESS
 
   
     Carnegie is a New Jersey business corporation and a bank holding company
registered with the Board of Governors of the Federal Reserve System (the "FRB")
under the Bank Holding Company Act of 1956, as amended (the "BHCA"). Carnegie
was incorporated on October 6, 1993 for the purpose of acquiring Carnegie Bank
and thereby enabling Carnegie Bank to operate within the bank holding company
structure. On April 12, 1994, Carnegie acquired one hundred percent (100%) of
the outstanding shares of Carnegie Bank. The principal activities of Carnegie
are owning and supervising Carnegie Bank, which engages in a commercial banking
business in Mercer, Burlington, Hunterdon, Morris, Ocean and Somerset counties,
New Jersey and Bucks County, Pennsylvania. Carnegie directs the policies and
coordinates the financial resources of Carnegie Bank.
    
 
     Carnegie's principal executive offices are located at 619 Alexander Avenue,
Princeton, New Jersey 08540, telephone (609) 243-7500.
 
   
     Simultaneously herewith, Carnegie is furnishing to its shareholders its
1997 Annual Report to Shareholders. The Annual Report, which includes portions
of Carnegie's Annual Report on Form 10-K for the year ended December 31, 1997,
is incorporated herein by reference. See "INCORPORATION OF CERTAIN DOCUMENTS BY
REFERENCE."
    
 
DIRECTORS
 
     Following is a list of the names of all directors of Carnegie, together
with: their ages, their positions and offices with Carnegie, their principal
occupations during the past five years, and the years during which their current
consecutive terms as directors of Carnegie first commenced:
 
   
<TABLE>
<CAPTION>
                                                              PRINCIPAL OCCUPATIONS                    DIRECTOR
   NAME AND POSITION WITH CARNEGIE     AGE                    DURING PAST FIVE YEARS                   SINCE(1)
   -------------------------------     ---                    ----------------------                   ---------
<S>                                   <C>   <C>                                                       <C>
Theodore H. Dolci, Jr.                41    President, Ted Dolci Excavating, Inc.                       1989

Michael E. Golden                     54    Chairman and Chief Executive Officer, First Colonial        1988
                                            Securities Group, Inc., a full service stock and bond
                                            brokerage; Vice Chairman, Admiralty Bank (Palm Beach
                                            Gardens, Florida)

Thomas L. Gray, Jr.                   53    President and Chief Executive Officer of Carnegie and       1988
President and Chief                         Carnegie Bank; Director, Admiralty Bank (Palm Beach
Executive Officer                           Gardens, Florida)

Bruce A. Mahon                        67    Chairman of the Board of Carnegie and Carnegie Bank;        1988
Chairman of the Board                       Chairman, Admiralty Bank (Palm Beach Gardens, Florida)

James E. Quackenbush                  68    Retired; formerly Managing Partner, Malesard,               1988
                                            Quackenbush, Swift & Company, Certified Public
                                            Accountants

Steven L. Shapiro                     57    Chairman of Alloy, Silverstein, Shapiro, Adams, Mulford     1992
                                            & Co., Certified Public Accountants, Cherry Hill, New
                                            Jersey. Mr. Shapiro is Commissioner of the New Jersey
                                            Casino Redevelopment Authority and Trustee of the New
                                            Jersey Hospital Foundation. Mr. Shapiro is also a member
                                            of the Executive Advisory Council of Rutgers University
                                            and serves on the board of the Student Loan Marketing
                                            Corporation in Washington, D.C.

Shelley M. Zeiger                     62    Chairman, Zeiger Enterprises, Inc., import company          1992

Mark A. Wolters                       37    Executive Vice President of Carnegie and Carnegie Bank;     1994
Executive Vice President                    Director, Admiralty Bank (Palm Beach Gardens, Florida)

Joseph J. Oakes, III                  55    President, Acorn Financial Services, a financial            1988
                                            services and insurance brokerage firm
</TABLE>
    
 
- ------------------
   
(1) Includes prior service on Board of Directors of Carnegie Bank. No director
    of Carnegie is also a director of any other company registered pursuant to
    Section 12 of the Securities Exchange Act of 1934, as amended (the "Exchange
    Act"), or subject to the requirements of Section 15(d) of the Exchange Act,
    or of any company registered as an investment company under the Investment
    Company Act of 1940.
    
                                       45
<PAGE>

     All of Carnegie's directors serve for a period of one year and until their
successors are elected and qualified.
 
EXECUTIVE OFFICERS
 
   
     Following is a list of the names of all executive officers of Carnegie who
are not also directors, together with their ages, their positions and offices
with Carnegie, and their principal occupations during the past five years:
    
 
   
<TABLE>
<CAPTION>
                                                               PRINCIPAL OCCUPATIONS                    OFFICER
   NAME AND POSITION WITH CARNEGIE      AGE                    DURING PAST FIVE YEARS                     SINCE
   -------------------------------      ---                    ----------------------                    -------
<S>                                     <C>   <C>                                                        <C>
Richard P. Rosa                         46    Chief Financial Officer of Carnegie Bank since April        1995
Chief Financial Officer                       1995; Director, Admiralty Bank (Palm Beach Gardens,
                                              Florida); formerly, Executive Vice President and Chief
                                              Financial Officer of Lakeland First Financial Group, Inc.
                                              and its wholly-owned subsidiary, Lakeland Savings Bank
</TABLE>
    
 
BOARD OF DIRECTORS MEETINGS AND COMMITTEES
 
  Attendance at Board and Committee Meetings
 
   
     During the fiscal year ended December 31, 1997, the Board of Directors of
Carnegie held thirteen (13) meetings. During that fiscal year, no director
attended less than 80% of the aggregate of (i) the meetings of the Board of
Directors and (ii) meetings of the committees of the Board of Directors on which
such directors served.
    
 
  Committees of the Board
 
   
     The Board of Directors maintains an Audit committee (the "Audit Committee")
which consisted of Messrs. Quackenbush, Shapiro and Oakes during the fiscal year
ended December 31, 1997. The Audit Committee arranges for Carnegie Bank's
directors examination through its independent certified public accounts, reviews
and evaluates the recommendations of the directors examinations, receives all
reports of examination of Carnegie and Carnegie Bank by regulatory agencies,
analyzes such reports, and reports to Carnegie's Board the results of its
analysis of the regulatory reports. The Audit Committee met five (5) times in
1997.
    
 
     The Board of Directors does not have a Compensation Committee. The entire
Board acts as a Compensation Committee. Any compensation matter concerning
Messrs. Gray and Wolters is not voted on by either individual.
 
     The Board of Directors does not have a Nominating Committee. The entire
Board acts as a Nominating Committee.
 
DIRECTORS COMPENSATION
 
   
     Directors of Carnegie receive no remuneration for their service on the
Board of Directors of Carnegie. Directors of Carnegie Bank, other than full-time
employees of the Bank, receive a $5,000 annual retainer, payable quarterly. All
directors of Carnegie Bank receive fees of $750 per Board meeting attended and
$300 per committee meeting attended, except that the Chairman of the Audit
Committee receives $600 per Audit Committee meeting attended. In addition, Mr.
Michael Golden, in his capacity as Vice Chairman of Carnegie Bank, receives an
annual stipend of $12,000. Mr. Gray does receive Board meeting and Loan
Committee (of the Bank) meeting fees and Mr. Wolters does receive Board meeting
fees.
    
 
   
     Carnegie has entered into a consulting agreement with Mr. Bruce A. Mahon,
Chairman of the Board of Carnegie. Pursuant to the consulting agreement, Mr.
Mahon receives an annual consulting fee of $100,000. The consulting agreement
has an unexpired term of two and one-half (2 1/2) years. The consulting
agreement can be terminated by Carnegie at any time for cause. Cause is defined
in the consulting agreement as (i) consultant's willful and continued failure to
perform his duties; (ii) fraud, misappropriation or other intentional damage to
the property or business of Carnegie or (iii) the consultant's admission or
conviction of, or plea of nolo contendere to, any felony that adversely affects
Carnegie. In the event of Mr. Mahon's death, Carnegie is obligated to reimburse
his estate for any
    
 
                                       46
<PAGE>
   
unpaid fees and expenses for services rendered prior to his death. In addition,
Mr. Mahon also receives certain insurance benefits directly from Carnegie which
are not included in the consulting agreement.
    
 
   
     The consulting agreement provides, among other things, that upon the
voluntary or involuntary termination of the agreement following a "change in
control" of Carnegie (which would include the Merger) Mr. Mahon would be
entitled to receive the consulting fee for a period of 30 months after such
termination. Mr. Mahon has indicated his intention to terminate the consulting
agreement upon the Effective Date. Sovereign has agreed that Mr. Mahon shall be
paid the termination benefits under the consulting agreement calculated as
though a change in control had occurred on June 30, 1988. Accordingly, in
connection with consummation of the Merger, Mr. Mahon will receive payments,
including the value of non-cash benefits, having a present value of
approximately $216,019 under his employment agreement.
    
 
   
     Carnegie maintains a 1995 Directors Stock Option Plan ("1995 Directors
Plan"). Under the 1995 Directors' Plan, 151,315 shares of Common Stock have been
reserved for issuance, as adjusted to reflect stock dividends declared by
Carnegie from time to time. Directors of Carnegie, Carnegie Bank and any other
subsidiaries which Carnegie may acquire or incorporate are eligible to
participate in the 1995 Directors Plan. The 1995 Directors Plan is administered
by Carnegie's Board of Directors which has the power to designate which
directors will receive options and the terms of such options. No option may be
exercised more than ten years after the date of its grant.
    
 
   
     Carnegie maintains the 1993 Stock Option Plan for Non-Employee Directors
(the "Outside Directors' Plan"). Under the Outside Directors' Plan, 42,000
shares of Common Stock have been reserved for issuance, adjusted to reflect
stock dividends declared subsequent to the adoption of the Outside Directors'
Plan. Non-employee Directors of Carnegie, Carnegie Bank and any other
subsidiaries which Carnegie may acquire or incorporate participate in the
Outside Directors' Plan. Each participant in the Outside Directors' Plan
automatically receives an option to purchase 5,000 shares of Common Stock
effective as of the date such participant commences his service on the Board of
Directors. No option may be exercised more than ten years after the date of its
grant. The purchase price of the shares of Common Stock subject to options under
the Outside Directors' Plan is 100% of the fair market value on the date such
option is granted. There are no more shares available for issuance under the
Outside Directors' Plan.
    
 
   
     On January 15, 1997, the Board of Directors adopted the Carnegie Bancorp
1997 Stock Option Plan ("1997 Plan") which provides for grants of stock options
to officers, directors and employees of Carnegie.
    
 
   
     The 1997 Plan is administered by Carnegie's Board of Directors, which has
the authority to designate the optionees and to determine the number of shares
subject to each option, the date of grant and the terms and conditions governing
the option, including any vesting schedule. The Board of Directors also
designates whether options granted under the 1997 Plan are non-statutory stock
options or incentive stock options. In addition, the Board is charged with the
responsibility of interpreting the 1997 Plan and making all administrative
determinations thereunder.
    
 
   
     All directors, officers and employees of Carnegie or its subsidiaries are
eligible to receive options under the 1997 Plan.
    
 
   
     The 1997 Plan authorized Carnegie to issue 274,000 shares of the Common
Stock pursuant to options. However, pursuant to the terms of the 1997 Plan, no
new options may first become exercisable if options to purchase in excess of 15%
of Carnegie's outstanding common stock under all of Carnegie's stock option
plans in the aggregate are then exercisable.
    
 
EXECUTIVE COMPENSATION
 
   
     The following table sets forth a summary for the last three (3) fiscal
years of the cash and non-cash compensation awarded to, earned by, or paid to,
the Chief Executive Officer of Carnegie and each of the most highly compensated
executive officers who were serving as executive officers of Carnegie at
December 31, 1997 and whose individual remuneration exceeded $100,000 for the
last fiscal year (collectively, "Named Officers").
    
 
                                       47
<PAGE>

                           SUMMARY COMPENSATION TABLE
                            CASH AND CASH EQUIVALENT
                             FORMS OF REMUNERATION
 
   
<TABLE>
<CAPTION>
                                                                                                 LONG TERM
                                                                                                COMPENSATION
                                                                                                ------------
                                                                                                 SECURITIES
              NAME AND CURRENT                        ANNUAL     ANNUAL     OTHER ANNUAL         UNDERLYING
             PRINCIPAL POSITION               YEAR    SALARY    BONUS(1)   COMPENSATION(2)        OPTIONS
             ------------------               ----   --------   --------   ---------------      ------------
<S>                                           <C>    <C>        <C>        <C>                  <C>
Thomas L. Gray, Jr. ........................  1997   $210,000   $449,508       $20,900(3)         $19,425
President and Chief Executive Officer         1996   $130,000   $173,133       $20,872                -0-
                                              1995   $130,000   $142,585       $19,409            $54,475
 
Mark A. Wolters ............................  1997   $100,000   $ 84,000       $14,420(3)         $14,175
Executive Vice President                      1996   $ 80,000   $ 57,711       $14,467                -0-
                                              1995   $ 80,000   $ 47,528       $12,932            $13,114
 
Richard P. Rosa ............................  1997   $ 85,000   $ 30,000       $ 5,000            $ 8,925
Senior Vice President and Chief Financial
Officer
</TABLE>
    
 
- ------------------
(1) Bonuses earned for services rendered in the indicated years although payment
    may have been made in subsequent years.
 
   
(2) Other annual compensation includes director fees, insurance premiums and the
    personal use of Carnegie automobiles, or automobile allowance.
    
 
(3) In 1997, Mr. Gray received $18,450 for attending meetings of the Board of
    Directors and special committees of the Board and Mr. Wolters received
    $11,550 for attending meetings of the Board of Directors and special
    committees of the Board.
 
                     OPTION/SAR GRANTS IN LAST FISCAL YEAR
 
   
     The following table sets forth with respect to grants of stock options made
during 1997 to each of the Named Officers: (i) the name of such officer; (ii)
the number of options granted; (iii) the percent the grant represents of the
total options granted to all employees during 1997; (iv) the per share exercise
price of the options granted; (v) the expiration date of the options; and (vi)
the Black-Scholes value of the options at grant date.
    
 
   
<TABLE>
<CAPTION>
                                                         PERCENT OF TOTAL
                                     NO. OF SECURITIES     OPTIONS/SARS
                                        UNDERLYING          GRANTED TO      EXERISE OR                  GRANT DATE
                                       OPTIONS/SARS        EMPLOYEES IN     BASE PRICE    EXPIRATION      PRESENT
               NAME                     GRANTED (#)        FISCAL YEAR       ($/SHARE)       DATE        VALUE(1)
               ----                  -----------------   ----------------   -----------   ----------   -------------
<S>                                  <C>                 <C>                <C>           <C>          <C>
Thomas L. Gray, Jr.................       19,425              15.42%          $17.86       01/15/07       $59,810
Mark A. Wolters....................       14,175              11.25%          $17.86       01/15/07       $43,645
Richard P. Rosa....................        8,925               7.08%          $17.86       01/15/07       $27,480
</TABLE>
    
 
- ------------------
(1) The values shown reflect standard application of the Black-Scholes pricing
    model using (i) a 20% stock price volatility, (ii) an expected term of five
    years, (iii) a risk-free interest rate of 6.17%, and (iv) a dividend yield
    of 3.00%. The values do not take into account risk factors such as
    non-transferability and limits on exercisability. In assessing the values
    indicated in the above table, it should be kept in mind that no matter what
    theoretical value is placed on a stock option on the date of grant, the
    ultimate value of the option is dependent on the market value of the Common
    Stock at a future date, which will depend to a large degree on the efforts
    of the named officers to bring future success to the corporation for the
    benefit of all stockholders.
 
                                       48
<PAGE>

                 AGGREGATED OPTION/SAR EXERCISES IN LAST FISCAL
                   YEAR AND FISCAL YEAR END OPTION/SAR VALUES
 
     The following table sets forth with respect to each exercise of stock
options during 1997 by each of the Named Officers and the year-end value of
unexercised options on an aggregated basis: (i) the name of each such officer;
(ii) the number of shares received upon exercise; (iii) the aggregate dollar
value realized upon exercise; (iv) the total value of unexercised options held
at December 31, 1997 separately identifying the exercisable and unexercisable
options; and (v) the aggregate dollar value of in-the-money, unexercised options
held at December 31, 1997, separately identifying the exercisable and
unexercisable options.
 
   
<TABLE>
<CAPTION>
                                                                                           VALUE OF UNEXERCISED
                                                                      NO. OF SECURITIES        IN-THE-MONEY
                                                                         UNDERLYING         OPTIONS AT FY END
                                                                     UNEXERCISED OPTIONS      ($) (BASED ON
                                              SHARES                    AT FY END (#)       $34.37 PER SHARE)
                                           ACQUIRED ON     VALUE        EXERCISABLE/           EXERCISABLE/
                  NAME                     EXERCISE (#)   REALIZED      UNEXERCISABLE         UNEXERCISABLE
                  ----                     ------------   --------   -------------------   --------------------
<S>                                        <C>            <C>        <C>                   <C>
Thomas L. Gray, Jr.......................     13,208      $291,745      73,822/29,584      $1,705,875/$578,412
Mark A. Wolters..........................         --            --      32,181/14,247      $  742,051/$256,907
Richard P. Rosa..........................         --            --       7,235/ 8,363      $  149,410/$148,096
</TABLE>
    
 
EMPLOYMENT AGREEMENTS
 
   
     Carnegie has entered into employment agreements with Mr. Thomas L. Gray,
Jr., its President and Chief Executive Officer, and Mr. Mark A. Wolters, its
Executive Vice President. The employment agreement with Mr. Gray (the "Gray
Employment Agreement") provides for a three-year term, and further provides that
it will automatically be renewed for a one-year term on each anniversary date
unless, ninety days prior to such anniversary date, either party provides
written notice of its intention not to renew. The Gray Employment Agreement
provides that Mr. Gray will receive an annual base salary of $210,000 for fiscal
1997, and that his base salary will be reviewed annually by the Board of
Directors. In addition, the Gray Employment Agreement provides that Mr. Gray is
to receive an annual bonus of not less than 6% of the adjusted net after tax
income of Carnegie and such other compensation as determined by the Board of
Directors. The Gray Employment Agreement permits Carnegie to terminate Mr.
Gray's employment for cause at any time. The Gray Employment Agreement defines
cause to mean (i) willful and continued failure to perform duties; (ii) fraud,
misappropriate or material damage to the property or business of Carnegie; (iii)
willful violation of law or conviction or admission of, or plea of nolo
contendere to, any felony which would adversely affect the executive's ability
to perform his duties; or (iv) willful violation of any law, rule or regulation
(other than traffic violations or similar offenses) or final cease-and-desist
order issued by, or regulatory consent agreement with, any banking regulatory
agency having jurisdiction over Carnegie or any of its subsidiaries. In the
event Mr. Gray is terminated for reasons other than cause prior to the
expiration of the term of the Agreement, Mr. Gray shall be entitled to receive
his base salary and bonus for the remaining term. In addition, Carnegie is to
maintain medical and life insurance benefits for Mr. Gray for the remaining
term. Mr. Gray may terminate his employment upon sixty (60) days' notice to
Carnegie. Upon the occurrence of a change in control (as defined in the Gray
Employment Agreement) which results in Mr. Gray's involuntary termination
without cause or Mr. Gray's voluntary resignation within 18 months of such
change in control because (i) he is reassigned to a position of lesser rank or
status than Chief Executive Officer; (ii) his place of employment is relocated
by more than thirty miles from its location as of the date of the Employment
Agreement; or (iii) his compensation or other benefits are reduced, Mr. Gray
will be entitled to receive his base salary and bonuses for a period of thirty
(30) months after such termination. In addition, Carnegie will continue to
maintain Mr. Gray's medical and dental insurance and other benefits in effect
through the end of such 30-month period.
    
 
   
     Carnegie has entered into an employment agreement with Mark A. Wolters, the
Executive Vice President of Carnegie (the "Wolters Employment Agreement").
Pursuant to the Wolters Employment Agreement, Mr. Wolters is to be employed for
a term of three years and his employment is subject to automatic renewal of an
additional one-year term on each anniversary date unless, ninety days prior to
such anniversary date, either party provides written notice of its intention not
to renew. Mr. Wolters'
    
 
                                       49
<PAGE>
   
annual base salary is $100,000 for fiscal 1997 and this base salary is subject
to annual review by the Board of Directors. In addition, Mr. Wolters is entitled
to receive a bonus in an amount equal to 2% of the adjusted net after-tax income
of Carnegie and such other compensation as determined by the Board of Directors.
The Wolters Employment Agreement permits Carnegie to terminate Mr. Wolters'
employment for cause. Cause is defined under the Wolters Employment Agreement in
the same manner as it is defined under the Gray Employment Agreement. In the
event Mr. Wolters is terminated for reasons other than cause prior to the
expiration of the initial three-year term, Mr. Wolters will be entitled to
receive his base salary and bonus for the remaining term. Mr. Wolters may
terminate his employment upon sixty (60) days' written notice to Carnegie. In
addition, Carnegie shall maintain his medical and dental insurance and other
benefits for the remaining term. Upon the occurrence of a change in control (as
defined in the Wolters Employment Agreement) and the subsequent involuntary
termination of Mr. Wolters without cause or his voluntary resignation within 18
months of such change in control because (i) he is reassigned to a position of
lesser rank or status than Executive Vice President, (ii) his principal place of
employment is moved by more than 30 miles from its current place, or (iii) his
compensation or other benefits are reduced, Mr. Wolters will be entitled to
receive his then current base salary and bonus for 18 months after such
termination. In addition, Carnegie will continue to maintain Mr. Wolters'
medical and dental insurance and other benefits in effect through the end of
such 18-month period.
    
 
   
                     BOARD REPORT ON EXECUTIVE COMPENSATION
    
 
   
     Carnegie does not maintain a standing Compensation Committee. The
compensation payable to Carnegie's executive officers is determined by the Board
of Directors of Carnegie, without the participation of Messrs. Gray and Wolters
on any compensation matter directly related to them individually.
    
 
                         EXECUTIVE COMPENSATION POLICY
 
   
     Carnegie's policy is to compensate its executives fairly and adequately for
the responsibility assumed by them for the success and direction of Carnegie,
the effort expended in discharging that responsibility and the results achieved
directly or indirectly from each executive's performance. "Fair and adequate
compensation" is established after careful review of:
    
 
   
          1. Carnegie's earnings;
    
 
   
          2. Carnegie's performance as compared to other companies of similar
     size and market area; and
    
 
          3. Comparison of what the market demands for compensation of similarly
     situated and experienced executives.
 
     Total compensation takes into consideration a mix of base salary, bonus,
perquisites and stock options. The particular mix is established in order to
competitively attract competent professionals, retain those professionals, and
reward extraordinary achievement.
 
   
     The Board of Directors also considers net income for the year and earnings
per share of Carnegie before finalizing officer increases for the coming year.
    
 
   
     Based upon its current levels of compensation, Carnegie is not affected by
the provisions of the Internal Revenue Code which limits the deductibility to a
company of compensation in excess of $1 million paid to any of its top five
executives. Thus, Carnegie has no policy as to that subject.
    
 
BASE SALARY
 
     The Board of Directors bears the responsibility for establishing base
salary.
 
     Salary is minimum compensation for any particular position and is not tied
to any performance formula or standard. However, that is not to say that poor
performance will not result in termination. Acceptable performance is expected
of all executive officers as a minimum standard.
 
     To establish salary, the following criteria are used:
 
          1. Position description.
 
                                       50
<PAGE>

          2. Direct responsibility assumed.
 
          3. Comparative studies of peer group compensation. Special weight is
     given to local factors as opposed to national averages.
 
   
          4. Earnings performance of Carnegie resulting in availability of funds
     for payment of salary expense.
    
 
          5. Competitive level of salary to be maintained to attract and retain
     qualified and experienced executives.
 
ANNUAL BONUSES
 
   
     Each year the Board establishes the parameters for the award of a bonus and
the size of the pool of available bonus money. The current parameters are
related to Carnegie's net income after taxes.
    
 
STOCK OPTIONS
 
     Stock option awards are determined by the Board's Stock Option Committee.
 
     The Stock Option Committee meets to evaluate meritorious performance of all
officers and employees for consideration to receive stock options.
 
     The Stock Option Committee makes awards based upon the following criteria:
 
   
          1. Position of the officer or employee in Carnegie.
    
 
   
          2. The benefit which Carnegie or Carnegie Bank has derived as a result
     of the efforts of the award candidate under consideration.
    
 
   
          3. Carnegie's desire to encourage long-term employment of the award
     candidate.
    
 
PERQUISITES
 
     Perks, such as company automobiles and their related expenses, country club
memberships, auxiliary insurance benefits and other perks which the Board may
approve from time to time are determined and awarded pursuant to evaluation
under the same criteria used to establish base salary.
 
   
     Carnegie has long believed that a strong, explicit link should exist
between executive compensation and the value delivered to shareholders. The
bonus program and the stock option awards both provide competitive compensation
while mirroring Carnegie's performance. Since the bonus is based on a direct,
explicit link to Carnegie's performance, it is directly and explicitly linked to
the value received by shareholders. Carnegie's profitability inures to the
benefit of shareholders, and is a direct result of the direction established by
management.
    
 
                       MEMBERS OF THE BOARD OF DIRECTORS
 
<TABLE>
<S>                                           <C>
Bruce A. Mahon                                James E. Quackenbush
Theodore H. Dolci, Jr.                        Steven L. Shapiro
Thomas L. Gray, Jr.                           Mark A. Wolters
Michael E. Golden                             Shelly M. Zeiger
Joseph J. Oakes, III
</TABLE>
 
                                       51
<PAGE>
   
PERFORMANCE GRAPH
    
 
   
     Set forth below is a graph and table comparing the yearly percentage change
in the cumulative total shareholder return on Carnegie Common Stock against (1)
the cumulative total return on the NASDAQ Total U.S. Bank Index, and (2) the
cumulative total return on the SNL $250M-$500M Bank Index for the period
commencing September 8, 1994, the date on which Carnegie commenced trading on
the NASDAQ National Market, and ending December 31, 1997.
    
 
   
     Cumulative total return on Carnegie Common Stock, the NASDAQ Total U.S.
Index and the SNL $250M-$500M Bank Index equals the total increase in value
since September 8, 1994, assuming reinvestment of all dividends. The graph and
table were prepared assuming that $100.00 was invested on September 8, 1994, in
Carnegie Common Stock, the NASDAQ Total U.S. Index and the SNL $250M-$500M Bank
Index.
    
 
                               PERFORMANCE GRAPH
 
In the printed version of the document, a line graph appears which depicts the
following plot points:

<TABLE>
<CAPTION>
                                                                  PERIOD ENDING
                                               ----------------------------------------------------
                                               09/08/94   12/31/94   12/31/95   12/31/96   12/31/97
                                               --------   --------   --------   --------   --------
<S>                                            <C>        <C>        <C>        <C>        <C>
Carnegie Bancorp.............................   100.00      78.04     125.76     154.45     305.61
NASDAQ -- Total US(1)........................   100.00      98.13     138.79     170.70     209.47
SNL $250M-$500M Bank Index(2)................   100.00      97.22     131.20     170.36     294.65
</TABLE>
 
- ------------------
(1) The NASDAQ Total US Index consists of all NASDAQ National Market and
    SmallCap Stocks.
 
(2) The SNL $250M-$500M Bank Index consists of all publicly traded banks with
    assets between $250M and $500M.
 
                                       52
<PAGE>

PRINCIPAL AND OTHER SHAREHOLDERS OF CARNEGIE
 
   
     The following table sets forth, as of February 28, 1998, certain
information concerning the ownership of shares of Common Stock by (i) each
person who is known by Carnegie to own beneficially more than five percent (5%)
of the issued and outstanding common Stock, (ii) each director and nominee for
director of Carnegie, (iii) each named executive officer described in the
section captioned "Executive Compensation", and (iv) all directors and officers
as a group. Except as otherwise indicated, each individual named has sole
investment and voting power with respect to the securities shown.
    
   
<TABLE>
<CAPTION>
                                                           NO. OF SHARES          PERCENT
NAME OF BENEFICIAL OWNER                               BENEFICIALLY OWNED(1)      OF CLASS
- ------------------------                               ---------------------      --------
<S>                                                    <C>                        <C>
John Hancock Advisers, Inc.......................             137,659(2)            5.00%
  101 Huntington Avenue
  Boston, Massachusetts 02199
 
<CAPTION>
 
NAME OF DIRECTORS AND EXECUTIVE OFFICERS
- -------------------------------------------------
<S>                                                    <C>                        <C>
Bruce A. Mahon...................................              51,357(4)            1.83%
Thomas L. Gray, Jr...............................             116,201(5)            4.06
Mark A. Wolters..................................              49,609(6)            1.77
Theodore H. Dolci, Jr............................              34,521(3)            1.24
Michael E. Golden................................              77,143(7)            2.75
Joseph J. Oakes, III.............................              42,824(3)(8)         1.54
James E. Quackenbush.............................              54,415(3)(9)         1.95
Steven L. Shapiro................................              29,663(10)           1.07
Shelly M. Zeiger.................................              31,750(11)           1.14
Richard P. Rosa..................................              22,285(12)            .80
All Directors and Executive Officers As a
  Group..........................................             509,768              16.90
</TABLE>
    
 
- ------------------
   
 (1) Beneficially owned shares include shares over which the named person
     exercises either sole or shared voting power or sole or shared investment
     power. It also includes shares owned (i) by a spouse, minor children or by
     relatives sharing the same home, (ii) by entities owned or controlled by
     the named person, and (iii) by other persons if the named person has the
     right to acquire such shares within 60 days by the exercise of any right or
     option. Unless otherwise noted, all shares are owned of record and
     beneficially by the named person, either directly or through Carnegie's
     Dividend Reinvestment Plan.
    
 
   
 (2) Based solely upon the most recent Schedule 13G filed by John Hancock
     Advisers, Inc. received by Carnegie.
    
 
 (3) Includes 23,341 shares purchasable pursuant to options which are
     exercisable within sixty (60) days.
 
 (4) Includes 2,808 shares beneficially owned by Mr. Mahon's spouse. Also
     included are 36,683 shares purchasable pursuant to options which are
     exercisable within sixty (60) days.
 
   
 (5) Includes 734 shares held by Mr. Gray's former spouse as guardian for his
     minor son, 1,350 shares held in a self-directed IRA, 2,126 shares under
     Carnegie Bank's 401(k) Plan and 78,678 shares purchasable pursuant to
     options which are exercisable within sixty (60) days.
    
 
   
 (6) Includes 35,725 shares purchasable pursuant to options which are
     exercisable within sixty (60) days, 1,062 shares held in an IRA account and
     2,120 shares under Carnegie Bank's 401(k) Plan.
    
 
 (7) Includes 8,424 shares held in a Profit Sharing Plan of which Mr. Golden is
     the beneficiary, 5,643 shares in a retirement account and 9,004 shares held
     in a self-directed IRA. Also includes 40,515 shares purchasable pursuant to
     options which are exercisable within sixty (60) days.
 
                                       53
<PAGE>

 (8) Includes 7,116 shares held in a Keogh Plan of which Mr. Oakes is the
     beneficiary and 11,086 shares in a retirement account.
 
 (9) Includes 15,495 shares held in Mr. Quackenbush's self-directed IRA and
     9,866 shares in the name of The Fairburst Trust, of which Mr. Quackenbush's
     spouse is co-trustee and beneficiary and 100 shares in Mr. Quackenbush's
     spouse's self-directed IRA.
 
(10) Includes 4,282 shares held in Mr. Shapiro's self-directed IRA and 1,207
     shares held in a voluntary Pension Plan of which Mr. Shapiro is trustee and
     beneficiary. Also includes 21,257 shares purchasable pursuant to options
     which are exercisable within sixty (60) days.
 
(11) Includes 1,348 shares held by Mr. Zeiger's spouse and minor child, and
     21,257 shares purchasable pursuant to options which are exercisable within
     sixty (60) days.
 
(12) Includes 5,116 shares held in Mr. Rosa's self-directed IRA, 99 shares under
     the Bank's 401(k) Plan and 7,609 shares held in the name of Morris Area
     community foundation of which Mr. Rosa is Finance Chairman. Also includes
     9,466 shares purchasable pursuant to options which are exercisable within
     sixty (60) days.
 
CERTAIN TRANSACTIONS
 
   
     Carnegie Bank has made in the past and, assuming continued satisfaction of
generally applicable credit standards, expects to continue to make loans to
directors, executive officers and their associates (i.e., corporations or
organizations for which they serve as officers or directors or in which they
have beneficial ownership interests of ten percent or more). These loans have
all been made in the ordinary course of Carnegie Bank's business 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 the normal risk of collectability or present other unfavorable
features.
    
 
   
     Michael E. Golden is the Vice Chairman of the Board of Carnegie and is also
the Chairman and CEO of FCSG, Inc. On October 6, 1997, Carnegie retained Janney
Montgomery Scott Inc. and FCSG, Inc. (collectively, the "Co-advisors") to act as
financial advisors to Carnegie's Board of Directors in evaluating and responding
to an unsolicited expression of interest to acquire Carnegie and to advise the
Board with respect to potential strategic alternatives available to Carnegie.
Carnegie paid a non-refundable advisory fee of $25,000 to the Co-advisors upon
retaining the Co-advisors, and $100,000 upon execution of the Merger Agreement
with Sovereign Bancorp Inc. on December 12, 1997. Under the terms of Carnegie's
engagement of the Co-advisors, half of the fees were paid to FCSG, Inc.
Additionally, each Co-advisor would be entitled to receive a payment equal to
one-half of 1.5% of the aggregate consideration received by Carnegie or its
shareholders upon consummation of the Merger, less its respective portion of the
$125,000 fee already paid during 1997.
    
   
    
 
                                       54
<PAGE>

MARKET PRICE OF AND DIVIDENDS ON CARNEGIE COMMON STOCK AND RELATED SHAREHOLDER
MATTERS
 
   
     The Carnegie Common Stock is listed on the Nasdaq Stock Market National
Market under the symbol CBNJ. As of the Record Date, there were approximately
536 shareholders of record. The table below sets forth for the periods indicated
the amount of dividends declared per share and the quarterly ranges of high and
low closing sales prices as reported on the Nasdaq Stock Market National Market
for the periods indicated. Such prices do not necessarily reflect mark-ups,
mark-downs or commissions.
    
 
   
<TABLE>
<CAPTION>
                                                                          QUARTERLY
                                                               --------------------------------
QUARTER ENDED                                                  DIVIDEND       HIGH        LOW
- -------------                                                  --------      ------      ------
<S>                                                            <C>           <C>         <C>
June 30, 1998(1).........................................       $0.14        $42.87      $34.75
March 31, 1998...........................................        0.14         37.25       30.00
December 31, 1997........................................        0.14         35.00       23.38
September 30, 1997.......................................        0.14         27.50       18.25
June 30, 1997............................................        0.14         18.75       16.50
March 31, 1997...........................................        0.14         19.63       17.50
December 31, 1996........................................        0.13         20.13       16.75
September 30, 1996.......................................        0.12         17.13       15.00
June 30, 1996............................................        0.12         16.25       14.25
March 31, 1996...........................................        0.12         18.00       15.75
</TABLE>
    
 
- ------------------
   
(1) Through June 22, 1998
    
 
   
     On December 11, 1997, the last business day preceding public announcement
of the Merger, the last sale price for Carnegie Common Stock was $31.00 per
share. On June 22, 1998, the last sale price for Carnegie Common Stock was
$35.00 per share. The average weekly trading volume for the Carnegie Common
Stock during the quarter ended March 31, 1998 was approximately 79,812 shares.
    
 
     The Merger Agreement permits Carnegie to pay a regular quarterly cash
dividend not to exceed $.14 per share of Carnegie Common Stock outstanding.
Carnegie agreed in the Merger Agreement to cause, as promptly as practicable,
the regular quarterly dividend record dates and payment dates with respect to
Carnegie Common Stock to be the same as Sovereign's regular quarterly dividend
record dates and payment dates with respect to Sovereign Common Stock. The
Merger Agreement provides that nothing contained therein shall be construed to
permit shareholders of Carnegie to receive two dividends either from Carnegie or
Sovereign in any quarter or to deny or prohibit shareholders of Carnegie from
receiving one dividend from Carnegie or Sovereign in any quarter. Carnegie Bank
may pay cash dividends sufficient to permit payment of the dividends permitted
to be paid by Carnegie. No other dividends may be paid by Carnegie or Carnegie
Bank without the prior written consent of Sovereign. See "THE MERGER --
Dividends." Carnegie's ability to continue to pay dividends may be dependent
upon its receipt of dividends from Carnegie Bank. See "SUPERVISION AND
REGULATION," set forth in Carnegie's Annual Report on Form 10-KSB for the fiscal
year ended December 31, 1997 (included as part of Carnegie's 1997 Annual Report
to Shareholders), which is incorporated herein by reference. See "INCORPORATION
OF CERTAIN DOCUMENTS BY REFERENCE."
 
                                       55
<PAGE>

                  DESCRIPTION OF SOVEREIGN CAPITAL SECURITIES
 
     The authorized capital stock of Sovereign consists of 200,000,000 shares of
common stock, no par value ("Sovereign Common Stock"), and 7,500,000 shares of
authorized preferred stock ("Sovereign Preferred Stock"). As of March 31, 1998,
there were 132,925,323 shares of Sovereign Common Stock issued and outstanding,
9,253 shares held by Sovereign as treasury stock and 1,995,617 shares of Series
B Preferred Stock issued and outstanding. There are no other shares of capital
stock of Sovereign authorized, issued or outstanding. Sovereign has no options,
warrants, or other rights authorized, issued or outstanding, other than as
described herein under "Shareholder Rights Plan" and options granted under
Sovereign's stock option plans or in connection with pending acquisitions by
Sovereign.
 
COMMON STOCK
 
     The holders of Sovereign Common Stock are entitled to share ratably in
dividends when and if declared by the Sovereign Board of Directors from funds
legally available therefor. Declaration and payment of cash dividends by
Sovereign depends upon dividend payments by Sovereign Bank, which are
Sovereign's primary source of revenue and cash flow. Sovereign is a legal entity
separate and distinct from its subsidiaries. Accordingly, the right of
Sovereign, and consequently the right of creditors and shareholders of
Sovereign, to participate in any distribution of the assets or earnings of any
subsidiary is necessarily subject to the prior claims of creditors of the
subsidiary, except to the extent that claims of Sovereign in its capacity as a
creditor may be recognized.
 
     Sovereign Bank will not be permitted to pay dividends on its capital stock
or repurchase shares of its stock if its shareholders' equity would be reduced
below the amount required for the liquidation accounts established in the
respective conversions from mutual to stock form of the predecessors of
Sovereign Bank or applicable regulatory capital requirements. Current OTS
regulations require a holding company's insured institutions to give the OTS 30
days advance notice of any proposed declaration of dividends to the holding
company, and the OTS has the authority under its supervisory powers to prohibit
the payment of dividends to the holding company.
 
     The OTS capital distribution rule, which became effective on August 1,
1990, provides for three tiers of savings associations: (i) Tier 1 associations,
associations that have capital ("total capital" as calculated under the OTS
capital regulations) equal to or greater than their fully phased-in capital
requirements (the requirements applicable at December 31, 1994) prior to, and on
a pro forma basis after giving effect to, a proposed capital distribution; (ii)
Tier 2 associations, associations that have capital equal to or greater than
their minimum capital requirements, but less than their fully phased-in capital
requirements prior to, and on a pro forma basis after giving effect to, a
proposed capital distribution; and (iii) Tier 3 associations, associations that
do not meet their minimum capital requirements, either before or after giving
effect to a proposed capital distribution. At March 31, 1998, Sovereign Bank is
a "Tier 1 association" both historically and on a pro forma basis after giving
effect to the Bank Merger. Under the OTS capital distribution rule, a Tier 1
association may make capital distributions of up to the greater of (a) 100% of
its net income during a calendar year plus the amount that would reduce by
one-half its surplus capital ratio (the percentage by which the association's
capital-to-assets ratio exceeds the ratio of its fully phased-in capital
requirements to its assets) at the beginning of the calendar year or (b) 75% of
its net income over the most recent four-quarter period. A Tier 1 association
may make capital distributions in excess of the foregoing limits if the OTS does
not object after receiving notice thereof. A Tier 2 association is authorized to
make distributions of up to 75% of net income over the most recent four-quarter
period if it satisfies its fully phased-in risk-based capital requirement, or up
to 50% of such net income if it satisfies its interim (90% of fully phased-in
amount) risk-based capital requirement. A Tier 2 association may, through a
written approval process, obtain OTS approval to make distributions in excess of
these amounts. Tier 3 associations are not authorized to make any capital
distributions without prior written OTS approval unless, in the case of an
association operating in compliance with an approved capital plan, the capital
distribution is consistent with the association's capital plan. The OTS has
supervisory authority to prohibit the payment of capital distributions for Tier
1 and Tier 2 associations.
 
                                       56
<PAGE>

     For certain limitations on the ability of Sovereign Bank to pay dividends
to Sovereign, see Sovereign's Annual Report on Form 10-K for the year ended
December 31, 1997, which is incorporated herein by reference. See "INCORPORATION
OF CERTAIN DOCUMENTS BY REFERENCE."
 
     Prior to the issuance of any Sovereign Preferred Stock which possesses
voting rights (see "Preferred Stock" below), the holders of shares of Sovereign
Common Stock will possess exclusive voting rights in Sovereign. Each holder of
shares of Sovereign Common Stock will be entitled to one vote for each share
held on matters upon which shareholders have the right to vote. Sovereign
shareholders are not entitled to cumulate votes in the election of directors.
 
     The holders of Sovereign Common Stock have no preemptive rights to acquire
any additional shares of Sovereign. In addition, the Sovereign Common Stock is
not subject to redemption.
 
     Sovereign's Articles of Incorporation authorize the Sovereign Board of
Directors to issue authorized shares of Sovereign Common Stock without
shareholder approval. Sovereign Common Stock is included for quotation on the
Nasdaq Stock Market National Market. As a result, in order to maintain such
inclusion, approval of Sovereign's shareholders is required for the issuance of
additional shares of Sovereign Common Stock or securities convertible into
Sovereign Common Stock if the issuance of such securities (1) is in connection
with the acquisition of a company, is not in connection with a public offering
for cash, and the securities issued have or will have voting power equal to or
in excess of 20% of the voting power outstanding before such issuance; (2) is in
connection with the acquisition of a company in which a director, officer or
substantial shareholder of Sovereign has a 5% or greater interest and the
issuance of the securities could result in an increase in outstanding common
stock or voting power of 5% or more; (3) is in connection with a transaction,
other than a public offering, at a price less than the greater of book or market
value in which the shares issued will equal 20% or more of the shares of
Sovereign Common Stock or 20% or more of the voting power outstanding before
issuance; or (4) would result in a change in control of Sovereign. Under Nasdaq
Stock Market National Market rules, shareholder approval is also required for
the establishment of a stock option or purchase plan in which stock may be
acquired by officers and directors other than pursuant to a broadly-based plan
in which other security holders of Sovereign or employees of Sovereign
participate. For a discussion of the approval of Sovereign shareholders required
for the issuance of the shares of Sovereign Common Stock issuable to Carnegie
shareholders in the Merger, see "THE MEETING -- Votes Required."
 
     In the event of liquidation, dissolution or winding-up of Sovereign,
whether voluntary or involuntary, holders of Sovereign Common Stock will be
entitled to share ratably in any of its assets or funds that are available for
distribution to its shareholders after the satisfaction of its liabilities (or
after adequate provision is made therefor) and after payment of any liquidation
preferences of any outstanding Sovereign Preferred Stock.
 
PREFERRED STOCK
 
  General
 
     Sovereign's Board of Directors is authorized to approve the issuance of
Sovereign Preferred Stock, without any required approval of shareholders. The
rights, qualifications, limitations and restrictions on each series of Sovereign
Preferred Stock issued will be determined by the Sovereign Board of Directors at
the time of issuance and may include, among other things, rights to
participating dividends, voting and convertibility into shares of Sovereign
Common Stock. Shares of Sovereign Preferred Stock may be issued with dividend,
redemption, voting, and liquidation rights taking priority over Sovereign Common
Stock, and may be convertible into Sovereign Common Stock, as determined by the
Sovereign Board of Directors at the time of issuance.
 
     On April 15, 1998, Sovereign announced that it would redeem all outstanding
shares of its Series B Preferred Stock on May 15, 1998. Substantially, all
holders of the Series B Preferred Stock will convert their stock to Sovereign
Common Stock on or prior to the redemption date. Sovereign issued shares of
Sovereign Common Stock upon conversions of the Series B Preferred Stock.
 
                                       57
<PAGE>

SHAREHOLDER RIGHTS PLAN
 
     Sovereign maintains a Shareholder Rights Plan (the "Rights Plan") designed
to protect shareholders from attempts to acquire control of Sovereign at an
inadequate price. Under the Rights Plan, each outstanding share of Sovereign
Common Stock has attached to it one right to purchase one one-hundredth of a
share of a series of junior participating preferred stock (the "Series A Junior
Participating Preferred Stock") at an initial exercise price of $40. The rights
are not currently exercisable or transferable, and no separate certificates
evidencing such rights will be distributed, unless certain events occur.
 
     The rights become exercisable to purchase shares of the junior
participating preferred stock if a person, group or other entity acquires or
commences a tender offer or an exchange offer for 19.9% or more of total voting
power. The rights can also be exercised if a person or group who has become a
beneficial owner of at least 4.9% of Sovereign Common Stock or total voting
power is declared by Sovereign's Board of Directors to be an "adverse person,"
as defined in the Rights Plan.
 
     After the rights become exercisable, under certain circumstances, the
rights (other than rights held by a 19.9% beneficial owner or an "adverse
person") will entitle the holders to purchase either Sovereign Common Stock or
the common stock of the potential acquiror, in lieu of the Series A Junior
Participating Preferred Stock, at a substantially reduced price.
 
     Sovereign is generally entitled to redeem the rights at $.001 per right at
any time until the tenth business day following public announcement that a 19.9%
position has been acquired. At any time prior to the date the rights have become
nonredeemable, the Sovereign Board of Directors can extend the redemption
period. Rights are not redeemable following an "adverse person" determination.
 
SPECIAL CHARTER AND PENNSYLVANIA CORPORATE LAW PROVISIONS
 
     Sovereign's Articles of Incorporation and Bylaws contain certain provisions
which may have the effect of deterring or discouraging, among other things, a
nonnegotiated tender or exchange offer for Sovereign stock, a proxy contest for
control of Sovereign, the assumption of control of Sovereign by a holder of a
large block of Sovereign stock and the removal of Sovereign's management. These
provisions: (1) empower the Sovereign Board of Directors, without shareholder
approval, to issue Sovereign Preferred Stock the terms of which, including
voting power, are set by the Sovereign Board of Directors; (2) divide the
Sovereign Board of Directors into three classes serving staggered three-year
terms; (3) restrict the ability of shareholders to remove directors; (4) require
that shares with at least 80% of total voting power approve mergers and other
similar transactions with a person or entity holding stock with more than 5% of
Sovereign's voting power, if the transaction is not approved, in advance, by the
Sovereign Board of Directors; (5) prohibit shareholders' actions without a
meeting; (6) require that shares with at least 80%, or in certain instances a
majority, of total voting power approve the repeal or amendment of Sovereign's
Articles of Incorporation; (7) require any person who acquires stock of
Sovereign with voting power of 25% or more to offer to purchase for cash all
remaining shares of Sovereign voting stock at the highest price paid by such
person for shares of Sovereign voting stock during the preceding year; (8)
eliminate cumulative voting in elections of directors; (9) require an
affirmative vote of at least two-thirds of Sovereign's total voting power in
order for shareholders to repeal or amend Sovereign's Bylaws; (10) require
advance notice of nominations for the election of directors and the presentation
of shareholder proposals at meetings of shareholders; and (11) provide that
officers, directors, employees, agents and persons who own 5% or more of the
voting securities of any other corporation or other entity that owns 66 2/3% or
more of Sovereign's outstanding voting stock cannot constitute a majority of the
members of Sovereign's Board of Directors.
 
     The Pennsylvania BCL also contains certain provisions applicable to
Sovereign which may have the effect of impeding a change in control of
Sovereign. These provisions, among other things: (1) require that, following any
acquisition by any person or group of 20% of a public corporation's voting
power, the remaining shareholders have the right to receive payment for their
shares, in cash, from such person or group in an amount equal to the "fair
value" of the shares, including an increment representing a proportion of any
value payable for control of the corporation and (2) prohibit for five
 
                                       58
<PAGE>

years, subject to certain exceptions, a "business combination" (which includes a
merger or consolidation of the corporation or a sale, lease or exchange of
assets) with a shareholder or group of shareholders beneficially owning 20% or
more of a public corporation's voting power.
 
     In 1990, Pennsylvania adopted legislation further amending the Pennsylvania
BCL. To the extent applicable to Sovereign at the present time, this legislation
generally: (1) expands the factors and groups (including shareholders) which the
Sovereign Board of Directors can consider in determining whether a certain
action is in the best interests of the corporation; (2) provides that the
Sovereign Board of Directors need not consider the interests of any particular
group as dominant or controlling; (3) provides that Sovereign's directors, in
order to satisfy the presumption that they have acted in the best interests of
the corporation, need not satisfy any greater obligation or higher burden of
proof with respect to actions relating to an acquisition or potential
acquisition of control; (4) provides that actions relating to acquisitions of
control that are approved by a majority of "disinterested directors" are
presumed to satisfy the directors' standard, unless it is proven by clear and
convincing evidence that the directors did not assent to such action in good
faith after reasonable investigation; and (5) provides that the fiduciary duty
of Sovereign's directors is solely to the corporation and may be enforced by the
corporation or by a shareholder in a derivative action, but not by a shareholder
directly.
 
     The 1990 amendments to the Pennsylvania BCL explicitly provide that the
fiduciary duty of directors shall not be deemed to require directors (1) to
redeem any rights under, or to modify or render inapplicable, any shareholder
rights plan; (2) to render inapplicable, or make determinations under,
provisions of the Pennsylvania BCL relating to control transactions, business
combinations, control-share acquisitions or disgorgement by certain controlling
shareholders following attempts to acquire control; or (3) to act as the board
of directors, a committee of the board or an individual director solely because
of the effect such action might have on an acquisition or potential or proposed
acquisition of control of the corporation or the consideration that might be
offered or paid to shareholders in such an acquisition. One of the effects of
the 1990 fiduciary duty statutory provisions may be to make it more difficult
for a shareholder to successfully challenge the actions of the Sovereign Board
of Directors in a potential change in control context. Pennsylvania case law
appears to provide that the fiduciary duty standard under the 1990 amendments to
the Pennsylvania BCL grants directors the statutory authority to reject or
refuse to consider any potential or proposed acquisition of the corporation.
 
     Sovereign opted out of coverage by the "disgorgement" and "control-share
acquisition" statutes included in the 1990 legislation, pursuant to a Bylaw
amendment as permitted by the legislation. To the extent applicable to a
Pennsylvania corporation, the "disgorgement" statute generally requires
disgorgement by any person or group who or which has acquired or publicly
disclosed an intent to acquire 20% or more of a corporation's voting power of
any profit realized from the sale of any shares acquired within specified time
periods of such acquisition or disclosure if the shares are sold within eighteen
months thereafter. The "control share acquisition" statute generally prohibits a
person or group who or which exceeds certain stock ownership thresholds (20%,
33 1/3% and 50%) for the first time from voting the "control shares" (i.e., the
shares owned in excess of the applicable threshold) unless voting rights are
restored by a vote of disinterested shareholders. As a result of Sovereign's
opt-out from coverage by these statutes, neither the "disgorgement" nor the
"control share acquisition" statute would apply to a nonnegotiated attempt to
acquire control of Sovereign, although such an attempt would still be subject to
the special charter and other provisions described in the preceding paragraphs.
Sovereign can reverse this action, and thereby cause the "disgorgement" and
"control share acquisition" statutes to apply to an attempt to acquire control
of Sovereign, by means of an amendment to Sovereign's Bylaws, which could be
adopted by the Board of Directors, without shareholder approval, rescinding the
Bylaw provision by which Sovereign originally opted out of coverage by these
statutes.
 
                                       59
<PAGE>

                        COMPARISON OF SHAREHOLDER RIGHTS
 
     At the Effective Date, shareholders of Carnegie automatically will become
shareholders of Sovereign, and their rights as shareholders will be determined
by the Pennsylvania BCL and by Sovereign's Articles of Incorporation and Bylaws.
The following is a summary of material differences between the rights of holders
of Sovereign Common Stock and the rights of holders of Carnegie Common Stock.
These differences arise from various provisions of the Pennsylvania BCL and the
New Jersey BCA, the Articles of Incorporation, Bylaws and Rights Plan of
Sovereign and the Certificate of Incorporation and Bylaws of Carnegie.
 
     This summary does not purport to be a complete statement of the rights of
Carnegie shareholders under the applicable New Jersey law, Carnegie's
Certificate of Incorporation or Carnegie's Bylaws or a comprehensive comparison
with the rights of Sovereign's shareholders under the applicable Pennsylvania
law, Sovereign's Articles of Incorporation and Sovereign's Bylaws, or a complete
description of the specific provisions referred to herein. This summary is not
meant to be relied upon as an exhaustive list or a detailed description of the
provisions discussed and is qualified in its entirety by reference to the New
Jersey BCA and the governing corporate instruments of Carnegie and to the
Pennsylvania BCL and the governing corporate instruments of Sovereign. Copies of
such governing corporate instruments of Carnegie and Sovereign are available,
without charge, to any person, including any beneficial owner to whom this Proxy
Statement/Prospectus is delivered, by following the instructions listed under
"INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE" and "AVAILABLE INFORMATION."
 
DIRECTORS
 
  Removal
 
     Pursuant to Sovereign's Articles of Incorporation, Sovereign directors may
be removed from office without cause by the affirmative vote of a majority of
the outstanding voting shares.
 
     Under Carnegie's Bylaws, directors may be removed from office with or
without cause by the affirmative vote of the holders of a majority of the issued
and outstanding shares of Carnegie Common Stock entitled to vote in the election
of directors.
 
  Nomination
 
     Shareholders of Sovereign are required to submit, in writing and in
advance, any nomination of a candidate for election as a director. Sovereign's
Bylaws provide that such nominations generally must be submitted not more than
120 days, and not less than 90 days, prior to a scheduled meeting for the
election of directors (unless less than 21 days' notice of the meeting is given
to shareholders in which case such nominations must be submitted within 7 days
following the mailing of the notice to shareholders).
 
     Neither Carnegie's Certificate of Incorporation or Bylaws nor the New
Jersey BCA provides Carnegie's shareholders with similar rights.
 
  Election of Directors
 
     Sovereign's Articles of Incorporation and Bylaws provide that its Board of
Directors shall be composed of not less than six nor more than 25 directors, the
number of which may be determined by the Board of Directors. Presently, the
Board of Directors is composed of eight members. The Sovereign Board of
Directors is divided into three classes, each serving three-year terms, so that
approximately one-third of the directors are elected at each annual meeting of
shareholders. Classification of the Board of Directors has the effect of
decreasing the number of directors that could be elected in a single year by any
person who seeks to elect its designees to a majority of the seats on the
Sovereign Board of Directors and thereby could impede a change in control of
Sovereign.
 
                                       60
<PAGE>

     Carnegie's Bylaws provide that the Board of Directors shall be composed of
not less than one nor more than 25 directors. Presently, the Board of Directors
is composed of nine members. All members of the Board of Directors of Carnegie
are elected annually.
 
  Cumulative Voting
 
     Neither Sovereign's nor Carnegie's shareholders are permitted to cumulate
votes in the election of directors.
 
  Limited Liability
 
     As permitted by the Pennsylvania BCL, Sovereign's Bylaws provide that
directors of Sovereign are not personally liable to Sovereign, its shareholders
or others for any action taken or any failure to take any action unless the
director breached or failed to perform the duties of his or her office as set
forth under Pennsylvania law and such breach or failure constitutes
self-dealing, willful misconduct or recklessness; provided, however, that there
is no such elimination of liability arising under any criminal statute or with
respect to the payment of taxes pursuant to local, state or federal law.
 
     As permitted by the New Jersey BCA, Carnegie's Certificate of Incorporation
provides that neither directors nor officers of Carnegie are personally liable
to Carnegie or its shareholders for breach of any duty owed to Carnegie or its
shareholders, unless such breach of duty is based on an act or omission (i) in
breach of such person's duty of loyalty to Carnegie or its shareholders, (ii)
not in good faith or involving a knowing violation of law or (iii) resulting in
receipt by such person of an improper personal benefit.
 
  Indemnification
 
     The Bylaws of Sovereign and the Certificate of Incorporation of Carnegie
each provide for indemnification of directors, officers, employees and agents
for certain litigation-related liabilities and expenses to the maximum extent
provided by Pennsylvania or New Jersey laws, as the case may be.
 
     Directors, officers, employees and agents of Sovereign are entitled to
indemnification in both third party actions and derivative actions unless there
is a court finding that the act or failure to act giving rise to the claim for
indemnification constitutes willful misconduct or recklessness. There is no
requirement of a case-by-case determination that the applicable standard of
conduct has been met for a person to be entitled to indemnification.
 
     Generally, current and former directors, officers, employees and agents of
Carnegie are entitled to indemnification (i) in third party actions, if the
person acted in good faith and in a manner he reasonably believed to be in or
not opposed to the best interests of Carnegie and, as to any criminal action or
proceeding, had no reasonable cause to believe his conduct was unlawful and (ii)
in derivative or corporate actions, if the person acted in good faith and in a
manner he reasonably believed to be in or not opposed to the best interests of
Carnegie, provided the person has not been adjudged to be liable to Carnegie.
Indemnification in both third party actions and derivative or corporate actions
can be made only as authorized in a specific case upon a finding that the
appropriate standard for indemnification has been met. Such finding must be made
by (i) a majority vote of a quorum of disinterested directors, (ii) independent
legal counsel in a written opinion, or (iii) by the shareholders if the
Certificate of Incorporation or Bylaws or a resolution of the Board of Directors
or the shareholders so directs.
 
SHAREHOLDER MEETINGS
 
     Annual meetings of Sovereign shareholders may be called at any time by the
Board of Directors at a duly called and held meeting of the Board of Directors
or upon the unanimous written consent of the members of the Board of Directors
or by the Chairman of the Board or the Chief Executive Officer, but only upon
receiving written direction of at least a majority of directors then in office.
Sovereign shareholders are not entitled to call a annual meeting of
shareholders.
 
                                       61
<PAGE>

     The Bylaws of Carnegie provide that annual meetings of shareholders may be
called only by the Chairman of the Board, the President or the Board of
Directors.
 
     Shareholders of Sovereign are required to submit to Sovereign, in writing
and in advance, any matter desired to be placed on the agenda of an annual
meeting of shareholders. Such proposal generally must be submitted not more than
150 days and not less than 90 days prior to the meeting (or 7 days if less than
21 days' notice of the annual meeting is given to shareholders). Neither the
Certificate of Incorporation nor the Bylaws of Carnegie contains any similar
provisions.
 
ACTION BY SHAREHOLDERS WITHOUT A MEETING
 
     Sovereign's Bylaws provide that no action required or permitted to be taken
at any annual or annual meeting of Sovereign's shareholders may be taken without
a meeting, and the power of Sovereign's shareholders to consent in writing to
action without a meeting is expressly denied.
 
     Carnegie's Bylaws allow shareholders of Carnegie to act without a meeting
only if all shareholders entitled to vote thereon consent thereto in writing.
The New Jersey BCA provides that if the action of shareholders is being taken
pursuant to Chapter 10 of the New Jersey BCA (relating to merger, consolidation,
acquisition of all capital shares and sale of assets), such action may be taken
without a meeting only if all shareholders consent thereto in writing or if all
shareholders entitled to vote thereon consent thereto in writing and the
corporation notifies all other shareholders of the action consented to, the
proposed effective date of such action and any conditions precedent to the
action. Such notification must be given at least 20 days in advance of the
effective date of such action.
 
INSPECTION RIGHTS
 
     The Pennsylvania BCL and Sovereign's Bylaws provide that every shareholder
of Sovereign, upon written demand under oath stating the purpose thereof, shall
have the right, for any proper purpose, to examine during usual business hours
the share register, books or records of account and records of the proceedings
of the shareholders and directors, and make copies or extracts therefrom.
 
     The New Jersey BCA provides that any person who shall have been a
shareholder of record of a corporation for at least six months immediately
preceding his or her demand, or any person holding, or so authorized in writing
by the holders of, at least 5% of the outstanding shares of any class or series,
upon at least 5 days' written demand shall have the right, for any proper
purpose, to examine during usual business hours the corporation's minutes of the
proceedings of shareholders and record of shareholders and to make extracts
therefrom; provided, however, that a court may, upon proof by a shareholder of a
proper purpose, irrespective of the period of time during which the shareholder
shall have been a shareholder of record, and irrespective of the number of
shares held by such shareholder, compel the production of the books and records
of account, minutes and record of shareholders of the corporation for
examination by such shareholder.
 
SHAREHOLDER RIGHTS PLAN
 
     Sovereign has adopted a shareholder rights plan pursuant to which holders
of Sovereign Common Stock are entitled, under certain circumstances generally
involving an accumulation of Sovereign Common Stock, to purchase Sovereign
Common Stock or common stock of the potential acquiror at a substantially
reduced price. See "DESCRIPTION OF SOVEREIGN CAPITAL SECURITIES -- Shareholder
Rights Plan."
 
     Carnegie does not have a shareholder rights plan.
 
                                       62
<PAGE>

ANTITAKEOVER PROVISIONS
 
  Sovereign
 
     Sovereign is subject to some, but not all, of various provisions of the
Pennsylvania BCL which are triggered, in general, if any person or group
acquires, or discloses an intent to acquire, 20% or more of the voting power of
a covered corporation, other than pursuant to a registered firm commitment
underwriting or, in certain cases, pursuant to the approving vote of the Board
of Directors. The relevant provisions are contained in Subchapters 25E-H of the
Pennsylvania BCL.
 
     Subchapter 25E of the Pennsylvania BCL (relating to control transactions)
provides that if any person or group acquires 20% or more of the voting power of
a covered corporation, the remaining shareholders may demand from such person or
group the fair value of their shares, including a proportionate amount of any
control premium.
 
     Subchapter 25F of the Pennsylvania BCL (relating to business combinations)
delays for five years and imposes conditions upon "business combinations"
between an "interested shareholder" and the corporation. The term "business
combination" is defined broadly to include various transactions utilizing a
corporation's assets for purchase price amortization or refinancing purposes.
For this purpose, an "interested shareholder" is defined generally as the
beneficial owner of at least 20% of a corporation's voting shares.
 
     Subchapter 25G of the Pennsylvania BCL (relating to control share
acquisitions) prevents a person who has acquired 20% or more of the voting power
of a covered corporation from voting such shares unless the "disinterested"
shareholders approve such voting rights. Failure to obtain such approval exposes
the owner to the risk of a forced sale of the shares to the issuer. Even if
shareholder approval is obtained, the corporation is also subject to Subchapters
25I and J of the Pennsylvania BCL. Subchapter 25I provides for a minimum
severance payment to certain employees terminated within two years of the
approval. Subchapter 25J prohibits the abrogation of certain labor contracts
prior to their stated date of expiration.
 
     Subchapter 25H of the Pennsylvania BCL (relating to disgorgement) applies
in the event that (i) any person or group publicly discloses that the person or
group may acquire control of the corporation or (ii) a person or group acquires
(or publicly discloses an offer or intent to acquire) 20% or more of the voting
power of the corporation and, in either case, sells shares within 18 months
thereafter. Any profits from sales of equity securities of the corporation by
the person or group during the 18-month period belong to the corporation if the
securities that were sold were acquired during the 18-month period or within 24
months prior thereto.
 
     Subchapters 25E-H of the Pennsylvania BCL contain a wide variety of
transactional and status exemptions, exclusions and safe harbors. As permitted
under the Pennsylvania BCL, Sovereign has opted out of the provisions of
Subchapters 25G and H but is subject to the provisions of Subchapters 25E and F.
Such action can be reversed under certain circumstances.
 
     In addition, the fiduciary duty standards applicable to the Board of
Directors of Sovereign under the Pennsylvania BCL and certain provisions of
Sovereign's Articles of Incorporation and Bylaws may have the effect of
deterring or discouraging, among other things, a nonnegotiated tender or
exchange offer for Sovereign stock, a proxy contest for control of Sovereign,
the assumption of control of Sovereign by a holder of a large block of
Sovereign's stock and the removal of Sovereign's management. See "DESCRIPTION OF
SOVEREIGN CAPITAL SECURITIES -- Special Charter and Pennsylvania Corporate Law
Provisions."
 
  Carnegie
 
     The New Jersey Shareholders Protection Act ("NJSPA") provides that no
corporation organized under the laws of New Jersey with its principal executive
offices or significant operations located in New Jersey (a "New Jersey Resident
Domestic Corporation") may engage in any "business combination" (as defined in
the NJSPA, a "Business Combination") with any interested shareholder
 
                                       63
<PAGE>

(as defined in the NJSPA, an "Interested Shareholder") of that New Jersey
Resident Domestic Corporation for a period of five years following that
Interested Shareholder's stock acquisition unless that Business Combination is
approved by the board of directors of that New Jersey Resident Domestic
Corporation prior to that Interested Shareholder's stock acquisition date. The
term Business Combination, as defined in the NJSPA, includes, among other
things, certain mergers, consolidations, asset transfers, stock issuances, plans
of liquidation and recapitalizations. Interested Shareholder, as defined in the
NJSPA, includes certain persons holding, directly or indirectly, 10% or more of
the voting power of the outstanding voting stock of the New Jersey Resident
Domestic Corporation and certain affiliates of the New Jersey Resident Domestic
Corporation that, at any time within the five year period immediately prior to
the date in question, were the beneficial owners, directly or indirectly, of 10%
or more of the voting power of the then outstanding stock of the New Jersey
Resident Domestic Corporation.
 
     Pursuant to the NJSPA, no New Jersey Resident Domestic Corporation may
engage, at any time, in any Business Combination with any Interested Stockholder
of that New Jersey Resident Domestic Corporation other than: (i) a Business
Combination approved by the board of directors of that New Jersey Resident
Domestic Corporation prior to that Interested Stockholder's stock acquisition
date, (ii) a Business Combination approved by the affirmative vote of the
holders of two-thirds of the voting stock not beneficially owned by that
Interested Shareholder at a meeting called for such purpose, or (iii) a Business
Combination where the Interested Shareholder pays a formula price designed to
ensure that all holders (other than the Interested Shareholder) of stock of the
New Jersey Resident Domestic Corporation receive at least the highest price per
share paid by that Interested Shareholder for any shares of capital stock
acquired by it. The NJSPA does not apply to certain inadvertent acquisitions,
provided the Interested Shareholder divests itself or himself of a sufficient
number of shares in accordance with the NJSPA. A New Jersey Resident Domestic
Corporation may not opt out of the NJSPA.
 
     Under the New Jersey BCA, directors of a New Jersey corporation may
consider, in discharging their duties to the corporation and in determining what
he or she reasonably believes to be in the best interest of the corporation, any
of the following (in addition to considering the effects of any action on
shareholders): (i) the effects of the action on the corporation's employees,
suppliers, creditors and customers, (ii) the effects of the action on the
community in which the corporation operates and (iii) the long-term as well as
the short-term interests of the corporation and its shareholders, including the
possibility that these interests may be best served by the continued
independence of the corporation. If, on the basis of the foregoing factors, the
board of directors determines that any proposal or offer to acquire the
corporation is not in the best interest of the corporation, it may reject such
proposal or offer, in which event the board of directors will have no duty to
facilitate, remove any obstacles to, or refrain from impeding such proposal or
offer.
 
REQUIRED SHAREHOLDER VOTE
 
  General
 
     Subject to the voting rights of any series of Sovereign Preferred Stock
then outstanding (see "DESCRIPTION OF SOVEREIGN CAPITAL SECURITIES -- Preferred
Stock"), the holders of Sovereign Common Stock possess exclusive voting rights
of Sovereign. Each holder of Sovereign Common Stock is entitled to one vote for
each share owned of record. For general corporate action of the shareholders of
Sovereign, the affirmative vote of a majority of the votes cast at a meeting of
shareholders is required for approval (abstentions with respect to any matter
are not considered votes "cast" under Pennsylvania law).
 
     The holders of Carnegie Common Stock possess exclusive voting rights of
Carnegie. Each holder of Carnegie Common Stock is entitled to one vote for each
share owned of record. For general corporate action of the shareholders of
Carnegie, the affirmative vote of a majority of the votes cast at a
shareholders' meeting is required for approval.
 
                                       64
<PAGE>

  Fundamental Changes
 
     Sovereign's Articles of Incorporation require that a plan of merger,
consolidation, share exchange, division, conversion or asset transfer (in
respect of a sale, lease, exchange or other disposition of all, or substantially
all, the assets of Sovereign other than in the usual and regular course of
business) must be approved by the affirmative vote of shareholders entitled to
cast at least a majority of the votes which all shareholders are entitled to
cast, except that shareholder approval of any such transaction which is approved
in advance by at least 66-2/3% of the members of Sovereign's Board of Directors
requires only the affirmative vote of a majority of the votes cast. In the
absence of prior approval by Sovereign's Board of Directors, Sovereign's
Articles of Incorporation require a vote of shareholders with at least 80% of
Sovereign's total voting power to approve any merger, consolidation, share
exchange, asset transfer (in respect of a sale, lease, exchange or other
disposition of all, or substantially all, the assets of Sovereign) or similar
transactions involving a shareholder holding 5% or more of Sovereign's voting
power. The Merger has been unanimously approved by Sovereign's Board of
Directors.
 
     Under Carnegie's Bylaws, any merger, consolidation, asset sale or similar
transaction generally requires the affirmative vote of a majority of the votes
cast at the meeting at which the matter is considered.
 
  Amendment of Articles or Certificate of Incorporation
 
     Sovereign's Articles of Incorporation contain various provisions that
require a supermajority vote of shareholders to amend or repeal particular
sections of such Articles. Amendment or repeal of the provisions of Sovereign's
Articles of Incorporation relating to noncumulative voting, the classification
of directors, the approval of fundamental changes, the requirement of holding
meetings for shareholder action, the amendment of Bylaws generally, and the
consideration of non-economic factors by Sovereign's Board of Directors if
evaluating a tender offer, merger, consolidation or similar transaction all
require (i) the affirmative vote of 80% of the shares entitled to vote or (ii)
the affirmative vote of 80% of the members of Sovereign's Board of Directors and
the affirmative vote of shareholders entitled to cast at least a majority of
votes which all shareholders are entitled to cast.
 
     Under the New Jersey BCA, if the Board of Directors approves a proposed
amendment to Carnegie's Certificate of Incorporation and directs that the
proposed amendment be submitted to a vote at a meeting of shareholders, the
proposed amendment will be adopted upon the affirmative vote of a majority of
the votes cast by the shareholders entitled to vote thereon and, if any class or
series of securities of Carnegie is entitled to vote on such motion as a class,
upon the affirmative vote of a majority of the votes cast by each such class.
 
AMENDMENT OF BYLAWS
 
     The authority to amend or repeal Sovereign's Bylaws is vested in
Sovereign's Board of Directors, subject always to the power of the shareholders
of Sovereign to change such action by the affirmative vote of shareholders
holding at least two-thirds of Sovereign's total voting power (except that any
amendment to the indemnification and limitation of director liability provisions
set forth in the Bylaws shall require the affirmative vote of two-thirds of the
entire Board of Directors or shareholders holding 80% of the votes that all
shareholders are entitled to cast).
 
     The Bylaws of Carnegie may be amended or repealed by vote of a majority of
directors or by vote of a majority of the stock outstanding and entitled to
vote.
 
MANDATORY TENDER OFFER PROVISION
 
     Sovereign's Articles of Incorporation provide that any person or entity
acquiring Sovereign capital stock with 25% or more of Sovereign's total voting
power is required to offer to purchase, for cash, all shares of Sovereign's
voting stock, at a price per share equal to the highest price paid by such
person for each respective class of Sovereign's voting stock within the
preceding twelve months. Such
 
                                       65
<PAGE>

provision is inapplicable if at least 80% of Sovereign's Board of Directors
approves in advance such acquisition of 25% or more of Sovereign's total voting
power. The Pennsylvania BCL also provides that following any acquisition by a
person or group of more than 20% of a publicly-held corporation's voting stock,
the remaining shareholders have the right to receive payment, in cash, for their
shares from such person or group of an amount equal to the "fair value" of their
shares, including a proportionate amount for any control premium.
 
     Neither Carnegie's Certificate of Incorporation or Bylaws nor the New
Jersey BCA provide Carnegie's shareholders with similar rights.
 
DISSENTERS' RIGHTS
 
     Under the Pennsylvania BCL, a shareholder of a corporation is generally
entitled to receive payment of the fair value of such shareholder's shares if
such shareholder duly exercises its dissenters' rights with respect to a plan of
merger or consolidation, share exchange, asset transfer, division or conversion
to which such corporation is a party, unless the shares are (i) listed on a
national securities exchange or (ii) held of record by more than 2,000
shareholders. The foregoing market exceptions do not apply, and dissenters'
rights generally are available in respect of, (i) shares that are not converted
solely into shares of the acquiring, surviving, new or other corporation or
solely into such shares and money in lieu of fractional shares, (ii) shares of
any preferred or special class unless the shareholders of the class are entitled
to vote on the plan and such class vote is required for the adoption of the plan
or to effectuate the transaction and (iii) shares which under the plan are
treated differently from shares of the same class or series and which are not
entitled to vote as a special class under Pennsylvania BCL Section1906(c). The
Pennsylvania BCL allows a corporation to provide dissenters' rights
notwithstanding the statutory exceptions, but Sovereign's Articles of
Incorporation and Bylaws do not require such optional dissenters' rights. Under
the Pennsylvania BCL, if a plan of merger or consolidation, share exchange,
asset transfer, division or conversion is adopted by the directors only, without
any shareholder approvals required, the shareholders have no statutory
dissenters' rights in respect of the plan other than optional dissenters'
rights, if any. Sovereign's shareholders have no dissenters' rights with respect
to the Merger.
 
     The New Jersey BCA generally provides for dissenters' rights in connection
with any merger or consolidation or any sale, lease, exchange or other
disposition of all or substantially all of the assets of the corporation not in
the usual or ordinary course of business. However, no such right to dissent
exists with respect to (i) any class or series of shares that is listed on a
national securities exchange or is held of record by not less than 1,000 holders
on the record date fixed to determine the shareholders entitled to vote on the
transaction, or, generally, (ii) any transaction in connection with which the
shareholders of the corporation will receive only (a) cash, (b) securities that,
upon consummation of the transaction, will be listed on a national securities
exchange or held of record by not less than 1,000 holders, or (c) cash and such
securities. A shareholder of a corporation may also dissent from any acquisition
of shares owned by such shareholder in connection with the acquisition by
another New Jersey corporation, in exchange for its shares, of all the shares of
a class or series of securities of such corporation. Any shareholder who
perfects dissenters' rights under the New Jersey BCA is entitled to receive the
"fair value" of such shares as determined either by agreement between such
shareholder and the corporation or by a court of competent jurisdiction.
Carnegie's shareholders have no dissenters' rights with respect to the Merger.
 
DIVIDENDS
 
     Under the Pennsylvania BCL, a corporation may pay dividends unless, after
giving effect thereto, (i) the corporation would be unable to pay its debts as
they become due in the usual course of its business or (ii) the total assets of
the corporation would be less than the sum of its total liabilities plus the
amount that would be needed, if the corporation were to be dissolved at the time
as of which the distribution is measured, to satisfy the preferential rights
upon dissolution of shareholders whose preferential rights are superior to those
receiving the distribution.
 
                                       66
<PAGE>

     Subject to any restrictions contained in a corporation's certificate of
incorporation, the New Jersey BCA provides that a corporation may pay dividends
unless, after giving effect thereto, (i) the corporation would be unable to pay
its debts as they become due in the usual course of its business or (ii) the
corporation's total assets would be less than its total liabilities. There are
no restrictions included in Carnegie's Certificate of Incorporation with respect
to the payment of dividends.
 
VOLUNTARY DISSOLUTION
 
     Under the Pennsylvania BCL, if Sovereign's Board of Directors recommends
that Sovereign be dissolved and directs that the question be submitted to a vote
at a meeting of shareholders, Sovereign may be dissolved upon the affirmative
vote of a majority of the votes cast by all shareholders entitled to vote
thereon and, if any class of shares is entitled to vote thereon as a class, the
affirmative vote of a majority of the votes cast in each class vote. Under
Sovereign's Articles of Incorporation if at least 66 2/3% of Sovereign's Board
of Directors has not recommended that Sovereign be dissolved, Sovereign may be
dissolved upon the affirmative vote of shareholders entitled to cast at least
80% of the votes which all shareholders are entitled to cast.
 
     Under the New Jersey BCA, if the Board of Directors recommends that
Carnegie be dissolved and directs that the question be submitted to a vote at a
meeting of shareholders, Carnegie may be dissolved upon the affirmative vote of
a majority of the votes cast by the shareholders entitled to vote thereon and,
if any class or series of securities of Carnegie is entitled to vote on such
motion as a class, upon the affirmative vote of a majority of the votes cast by
each such class. If the dissolution is proposed by, on behalf of or pursuant to
any agreement, arrangement or understanding with an Interested Stockholder, the
NJSPA will apply. See " -- Antitakeover Provisions" above.
 
PREEMPTIVE RIGHTS
 
     Neither the holders of Sovereign Common Stock nor Carnegie Common Stock are
entitled to preemptive rights.
 
   
                       ELECTION OF DIRECTORS OF CARNEGIE
    
 
   
     At the Carnegie Annual Meeting, Carnegie shareholders will be asked to vote
on a proposal, which would only become effective if the Merger is not
consummated, to elect nine (9) directors to hold office until the next annual
meeting of shareholders and until their successors have been duly elected and
qualified. IF THE MERGER IS CONSUMMATED, THE VOTE ON THIS PROPOSAL WILL BE
CONSIDERED VOID AND OF NO FORCE OR EFFECT.
    
 
     The following nine individuals have been nominated for election as
directors in the event the Merger is not consummated: Theodore H. Dolci, Jr.,
Michael E. Golden, Thomas L. Gray, Jr., Bruce A. Mahon, James E. Quackenbush,
Steven L. Shapiro, Shelley M. Zeiger, Mark A. Wolters and Joseph J. Oakes, III.
Each of the nominees is currently a director of Carnegie. For biographical and
other information on the nominees, see "Information with respect to Carnegie."
 
     The directors of Carnegie will be elected by a plurality of the votes cast
by shareholders of Carnegie present at the Carnegie Annual Meeting in person or
represented by proxy if a quorum is present.
 
     It is the intention of the persons named in the accompanying proxy to vote
FOR the election of the nine nominees, unless contrary instructions are given or
authority to do so is withheld.
 
     AT THE CARNEGIE ANNUAL MEETING, THE SHAREHOLDERS OF CARNEGIE WILL BE
REQUESTED TO ELECT NINE DIRECTORS TO THE BOARD OF DIRECTORS. THE DIRECTORS OF
CARNEGIE WILL BE ELECTED BY A PLURALITY OF THE VOTES CAST BY SHAREHOLDERS OF
CARNEGIE PRESENT AT THE MEETING IN PERSON OR REPRESENTED BY PROXY. THE ELECTION
OF ANY DIRECTORS UNDER THIS PROPOSAL WILL ONLY BE GIVEN EFFECT IF THE MERGER IS
NOT CONSUMMATED.
 
                                       67
<PAGE>

                                  ADJOURNMENT
 
     In the event that there are not sufficient votes to constitute a quorum or
approve the adoption of the Merger Agreement at the time of the Annual Meeting,
such proposal could not be approved unless the Annual Meeting is adjourned in
order to permit further solicitation of proxies. In order to allow proxies which
have been received by Carnegie, at the time of the applicable Meeting to be
voted for such adjournment, if necessary, Carnegie has submitted the question of
adjournment under such circumstances to its shareholders as a separate matter
for their consideration.
 
     The Board of Directors of Carnegie recommends that shareholders vote their
proxies in favor of the Adjournment Proposal so that their proxies may be used
for such purposes in the event it becomes necessary. Properly executed proxies
will be voted in favor of the Adjournment Proposal unless otherwise indicated
thereon. If it is necessary to adjourn the Annual Meeting, no notice of the time
and place of the adjourned meeting is required to be given to shareholders other
than an announcement of such time and place at the Annual Meeting.
 
                                    EXPERTS
 
     The consolidated financial statements of Sovereign, at December 31, 1997
and 1996 and for each of the three years in the period ended December 31, 1997
and 1996, included in Sovereign's Annual Report on Form 10-K for the year ended
December 31, 1997, have been audited by Ernst & Young LLP, independent auditors,
as set forth in their report thereon included therein and incorporated herein by
reference, which as to the years 1996 and 1995 is based in part on the report of
KPMG Peat Marwick LLP, independent auditors. Such consolidated financial
statements are included in reliance upon such reports given upon the authority
of such firm as experts in accounting and auditing.
 
   
     The consolidated financial statements (restated to include ML Bancorp,
Inc., which was acquired on February 28, 1998) of Sovereign at December 31, 1997
and 1996 and for each of the three years in the period ended December 31, 1997
appearing in Sovereign's Current Report on Form 8-K, dated June 23, 1998, and
incorporated by reference in this Registration Statement have been audited by
Ernst & Young LLP, independent auditors, as set forth in their report thereon
included therein and incorporated herein by reference, which, as to the years
1997, 1996 and 1995, is based in part on the reports of KPMG Peat Marwick LLP,
independent auditors. The consolidated financial statements referred to above
are included in reliance upon such reports given upon the authority of such
firms as experts in accounting and auditing.
    
 
     The consolidated financial statements of Carnegie as of December 31, 1997
and 1996 and for each of the years in the three-year period ended December 31,
1997, included in Carnegie's Annual Report on Form 10-KSB for the year ended
December 31, 1997, have been audited by Coopers & Lybrand LLP, independent
auditors, as set forth in their report thereon included therein and incorporated
herein by reference. Such consolidated financial statements are included in
reliance upon such reports given upon the authority of said firm as experts in
accounting and auditing.
 
     Coopers & Lybrand LLP has conducted the audit of the financial statements
of Carnegie and its subsidiary for the year ended December 31, 1997.
Representatives of Coopers & Lybrand LLP are expected to be present at the
Annual Meeting of Carnegie, will be given an opportunity to make a statement if
they desire to do so, and will be available to answer appropriate questions from
shareholders. Coopers & Lybrand LLP has no material financial interest in
Carnegie or its subsidiary.
 
                                 LEGAL MATTERS
 
     The validity of the Sovereign Common Stock to be issued in the Merger,
certain federal income tax consequences of the Merger, and certain other legal
matters relating to the Merger are being passed upon for Sovereign by the law
firm of Stevens & Lee, counsel to Sovereign. Joseph E. Lewis, a director of
Sovereign Bank, is a principal of the firm of Stevens & Lee. Stevens & Lee and
its attorneys own an aggregate of approximately 200,000 shares of Sovereign
Common Stock, including
 
                                       68
<PAGE>

shares issuable upon the exercise of options issued to Mr. Lewis in his capacity
as director of Sovereign Bank.
 
     Legal matters in connection with the Merger will be passed upon for
Carnegie by McCarter & English.
 
                                 OTHER MATTERS
 
     As of the date of this Proxy Statement/Prospectus, the Board of Directors
of Carnegie knows of no matters which will be presented for consideration at the
Annual Meeting other than as set forth in this Proxy Statement/Prospectus.
However, if any other matters shall come before the Annual Meeting or any
adjournments thereof and be voted upon, the forms of proxy shall be deemed to
confer discretionary authority to the individuals named as proxies therein to
vote the shares represented by such proxy as to any such matters.
 
                             SHAREHOLDER PROPOSALS
 
     Sovereign's 1998 Annual Meeting of Shareholders was held on April 16, 1998.
Sovereign's 1999 Annual Meeting of Shareholders will be held on or about April
15, 1999. In accordance with the ByLaws of Sovereign, a shareholder who desires
to propose a matter for consideration at an annual meeting of shareholders must
provide notice thereof in writing, delivered or mailed by first-class United
States mail, postage prepaid, to the Secretary of Sovereign, not less than 90
days nor more than 120 days prior to such annual meeting. Any shareholder who
desires to submit a proposal to be considered for inclusion in Sovereign's proxy
materials relating to its 1999 Annual Meeting of Shareholders must submit such
proposal in writing, addressed to Sovereign Bancorp, Inc. at 1130 Berkshire
Boulevard, Wyomissing, Pennsylvania 19610 (Attn: Secretary), on or before
November 16, 1998.
 
   
     In the event that the Merger Agreement is not approved by the shareholders
of Carnegie or that the Merger is not consummated for any other reason, any
stockholder who wishes to submit a proposal for inclusion in the proxy materials
to be distributed by Carnegie in connection with its 1999 Annual Meeting must do
so no later than March 1, 1999.
    
 
                                       69
<PAGE>
                                                                         ANNEX A
 
                               AGREEMENT AND PLAN
                                   OF MERGER
                                    BETWEEN
                            SOVEREIGN BANCORP, INC.
                                      AND
                                CARNEGIE BANCORP
 
                                      A-1
<PAGE>

                                   AGREEMENT
 
     THIS AGREEMENT AND PLAN OF MERGER, dated as of December 12, 1997, is made
by and between SOVEREIGN BANCORP, INC. ("Sovereign"), a Pennsylvania
corporation, having its principal place of business in Wyomissing, Pennsylvania,
and CARNEGIE BANCORP ("Carnegie"), a New Jersey corporation, having its
principal place of business in Princeton, New Jersey.
 
                                   BACKGROUND
 
     1. Sovereign and Carnegie desire for Carnegie to merge with and into
Sovereign, with Sovereign surviving such merger, in accordance with the
applicable laws of the Commonwealth of Pennsylvania and the State of New Jersey,
and in accordance with the plan of merger set forth herein.
 
     2. At or prior to the execution and delivery of this Agreement, (a) certain
directors and officers of Carnegie and affiliates of Carnegie, each have
executed in favor of Sovereign, a Letter Agreement dated as of the date hereof
in the form attached hereto as Exhibit 1, and (b) Carnegie granted to Sovereign
an option to acquire, under certain circumstances, Carnegie's common stock (the
"Sovereign Option") pursuant to a Stock Option Agreement between Sovereign and
Carnegie dated as of the date hereof, attached hereto as Exhibit 2.
 
     3. Sovereign desires to merge Carnegie Bank, N.A., a national banking
association and a wholly-owned subsidiary of Carnegie ("Carnegie Bank"), into
and with Sovereign Bank, a federal savings bank and a wholly-owned subsidiary of
Sovereign ("Sovereign Bank"), with Sovereign Bank surviving such merger in
accordance with the Bank Plan of Merger in the form attached hereto as Exhibit
3.
 
     4. Sovereign and Carnegie desire to provide the terms and conditions
governing the transactions contemplated herein.
 
                                   AGREEMENT
 
     NOW, THEREFORE, in consideration of the premises and of the mutual
covenants, agreements, representations and warranties herein contained, the
parties hereto, intending to be legally bound, do hereby agree as follows:
 
                                   ARTICLE I
                                  THE MERGERS
 
     Section 1.01 Definitions.  As used in this Agreement, the following terms
shall have the indicated meanings (such meanings to be equally applicable to
both the singular and plural forms of the terms defined):
 
     Affiliate means, with respect to any Person, any Person who directly, or
indirectly, through one or more intermediaries, controls, or is controlled by,
or is under common control with, such Person and, without limiting the
generality of the foregoing, includes any executive officer or director of such
Person and any Affiliate of such executive officer or director.
 
     Agreement means this agreement, and any amendment or supplement hereto,
which constitutes a "plan of merger" between Sovereign and Carnegie.
 
     Applications means the applications for regulatory approval which are
required by the transactions contemplated hereby.
 
     Articles of Merger means the articles of merger to be executed by Sovereign
and Carnegie and to be filed in the PDS and the NJSOS, in accordance with the
applicable laws of the Commonwealth of Pennsylvania and the State of New Jersey.
 
                                      A-2
<PAGE>

     Bank Merger means the merger of Carnegie Bank, N.A. with and into Sovereign
Bank, with Sovereign Bank surviving such merger, contemplated by Section 1.03 of
this Agreement.
 
     Bank Plan of Merger has the meaning given to that term in Section 1.03 of
this Agreement.
 
     BCL means the Pennsylvania Business Corporation Law of 1988, as amended.
 
     BHC Act means the Bank Holding Company Act of 1956, as amended.
 
     Carnegie Common Stock means the common stock of Carnegie described in
Section 2.02(a).
 
     Carnegie Disclosure Schedule means a disclosure schedule delivered by
Carnegie to Sovereign pursuant to Article II of this Agreement.
 
     Carnegie Financials means (i) the audited consolidated financial statements
of Carnegie as of December 31, 1996 and for the three years ended December 31,
1996, including the notes thereto, and (ii) the unaudited interim consolidated
financial statements of Carnegie as of each calendar quarter thereafter,
included in Securities Documents filed by Carnegie.
 
     Carnegie Regulatory Reports means the Annual Reports of Carnegie on Form FR
Y-6, any Current Report of Carnegie on Form FR Y-9C and FR Y-LP filed with the
FRB and the NJDB from December 31, 1995 through the Closing Date and the Reports
of Condition and Income (Call Reports) of Carnegie Bank, N.A. and accompanying
schedules for each calendar quarter, beginning with the quarter ended December
31, 1995, through the Closing Date.
 
     Carnegie Subsidiaries means any corporation, 50% or more of the capital
stock of which is owned, either directly or indirectly, by Carnegie, except any
corporation the stock of which is held in the ordinary course of the lending
activities of Carnegie Bank, N.A.
 
     Closing Date means the date determined by Sovereign, in its sole
discretion, upon five (5) days prior written notice to Carnegie, but in no event
later than thirty (30) days after (i) all required approvals of Regulatory
Authorities for the Merger shall have been obtained and (ii) all actions
required to be taken by Carnegie and Sovereign to authorize the Merger and the
Bank Merger shall have been duly and validly taken, or such other date as
Sovereign and Carnegie shall agree.
 
     Effective Date means the date upon which all required approvals from
Regulatory Authorities have been received and the Merger shall be deemed
effective by the PDS and the NJSOS, and shall be the same as the Closing Date.
 
     Environmental Law means any federal, state, local or foreign law, statute,
ordinance, rule, regulation, code, license, permit, authorization, approval,
consent, order, judgment, decree, injunction or agreement with any Regulatory
Authority relating to (i) the protection, preservation or restoration of the
environment (including, without limitation, air, water vapor, surface water,
groundwater, drinking water supply, surface soil, subsurface soil, plant and
animal life or any other natural resource), and/or (ii) the use, storage,
recycling, treatment, generation, transportation, processing, handling,
labeling, production, release or disposal of any substance presently listed,
defined, designated or classified as hazardous, toxic, radioactive or dangerous,
or otherwise regulated, whether by type or by quantity, including any material
containing any such substance as a component.
 
     ERISA means the Employee Retirement Income Security Act of 1974, as
amended.
 
     Exchange Act means the Securities Exchange Act of 1934, as amended, and the
rules and regulations promulgated from time to time thereunder.
 
     Exchange Ratio shall have the meaning given to such term in Section
1.02(e)(ii)(A).
 
     FDIA means the Federal Deposit Insurance Act, as amended.
 
     FDIC means the Federal Deposit Insurance Corporation.
 
     FRB means the Federal Reserve Board.
 
     GAAP means generally accepted accounting principles as in effect at the
relevant date.
 
                                      A-3
<PAGE>

     HOLA means the Home Owners' Loan Act of 1933, as amended.
 
     IRC means the Internal Revenue Code of 1986, as amended.
 
     IRS means the Internal Revenue Service.
 
     Material Adverse Effect shall mean, with respect to Sovereign or Carnegie,
any adverse effect on its assets, financial condition or results of operations
which is material to its assets, financial condition or results of operations on
a consolidated basis, except for any material adverse effect caused by (i) any
change in the value of the respective investment portfolios of Sovereign or
Carnegie resulting from a change in interest rates generally or (ii) any change
occurring after the date hereof in any federal or state law, rule or regulation
or in GAAP, which change affects banking institutions generally, including any
changes affecting the Bank Insurance Fund or the Savings Association Insurance
Fund.
 
     Merger means the merger of Carnegie with and into Sovereign, with Sovereign
surviving such merger, contemplated by this Agreement.
 
     NBA means the National Bank Act, as amended.
 
     NJBCA means the New Jersey Business Corporation Act, as amended.
 
     NJDB means the Department of Banking and Insurance of the State of New
Jersey.
 
     NJSOS means the Office of the Secretary of State of the State of New
Jersey.
 
     OTS means the Office of Thrift Supervision.
 
     PDS means the Department of State of the Commonwealth of Pennsylvania.
 
     Person means any individual, corporation, partnership, joint venture,
association, trust or "group" (as that term is defined under the Exchange Act).
 
     Prospectus/Proxy Statement means the prospectus/proxy statement, together
with any supplements thereto, to be transmitted to holders of Carnegie Common
Stock and Sovereign Common Stock in connection with the transactions
contemplated by this Agreement.
 
     Registration Statement means the registration statement on Form S-4,
including any pre-effective or post-effective amendments or supplements thereto,
as filed with the SEC under the Securities Act with respect to the Sovereign
Common Stock and Sovereign Stock Purchase Rights to be issued in connection with
the transactions contemplated by this Agreement.
 
     Regulatory Agreement has the meaning given to that term in Section 2.11 of
this Agreement.
 
     Regulatory Authority means any banking agency or department of any federal
or state government, including without limitation the OTS, the FDIC, the NJDB,
the FRB, or the respective staffs thereof.
 
     Rights means warrants, options, rights, convertible securities and other
capital stock equivalents which obligate an entity to issue its securities.
 
     SEC means the Securities and Exchange Commission.
 
     Securities Act means the Securities Act of 1933, as amended, and the rules
and regulations promulgated from time to time thereunder.
 
     Securities Documents means all registration statements, schedules,
statements, forms, reports, proxy material, and other documents required to be
filed under the Securities Laws.
 
     Securities Laws means the Securities Act and the Exchange Act and the rules
and regulations promulgated from time to time thereunder.
 
     Sovereign Common Stock has the meaning given to that term in Section
3.02(a) of this Agreement.
 
                                      A-4
<PAGE>

     Sovereign Disclosure Schedule means a disclosure schedule delivered by
Sovereign to Carnegie pursuant to Article III of this Agreement.
 
     Sovereign Financials means (i) the audited consolidated financial
statements of Sovereign as of December 31, 1996 and for the three years ended
December 31, 1996, including the notes thereto and (ii) the unaudited interim
consolidated financial statements of Sovereign as of each calendar quarter
thereafter included in Securities Documents filed by Sovereign.
 
     Sovereign Market Price means, as of any date, the last reported sales price
of a share of Sovereign Common Stock, as reported on the National Association of
Securities Dealers Automated Quotation System (Nasdaq) National Market System.
 
     Sovereign Market Value means, as of any date, the average of the last
reported sales price of a share of Sovereign Common Stock, as reported on the
National Association of Securities Dealers Automated Quotation System (Nasdaq)
National Market System, for each of the fifteen consecutive trading days
commencing sixteen (16) trading days prior to the date of determination.
 
     Sovereign Option means the option granted to Sovereign to acquire shares of
Carnegie Common Stock referenced in the recitals to this Agreement.
 
     Sovereign Regulatory Reports means the Annual Reports of Sovereign on Form
H(b)-11, any Current Report of Sovereign on Form H(b)-11 filed with the OTS from
December 31, 1995 through the Closing Date and the Thrift Financial Reports of
Sovereign and accompanying schedules for each calendar quarter, beginning with
the quarter ended December 31, 1995, through the Closing Date.
 
     Sovereign Rights Agreement means the Rights Agreement dated as of September
19, 1989, as amended September 27, 1995, between Sovereign and Chemical Bank, as
rights agent, relating to Sovereign's Series A Junior Participating Preferred
Stock.
 
     Sovereign Stock Purchase Rights means Rights to purchase a unit of
Sovereign's Series A Junior Participating Preferred Stock in accordance with the
terms of the Sovereign Rights Agreement.
 
     Sovereign Subsidiaries means any corporation, 50% or more of the capital
stock of which is owned, either directly or indirectly, by Sovereign, except any
corporation the stock of which is held in the ordinary course of the lending
activities of a bank.
 
     Subsidiary means any corporation, 50% or more of the capital stock of which
is owned, either directly or indirectly, by another entity, except any
corporation the stock of which is held in the ordinary course of the lending
activities of a bank.
 
     Section 1.02 The Merger.
 
     (a) Closing.  The closing will take place at 10:00 a.m. on the Closing Date
at the offices of Stevens & Lee, 111 North Sixth Street, Reading, Pennsylvania,
unless another time and place are agreed to by the parties hereto; provided, in
any case, that all conditions to closing set forth in Article V have been
satisfied or waived at or prior to the Closing Date. On the Closing Date,
Carnegie and Sovereign shall cause the Articles of Merger to be duly executed
and to be filed in the PDS and the NJSOS.
 
     (b) The Merger.  Subject to the terms and conditions of this Agreement, on
the Effective Date: Carnegie shall merge with and into Sovereign; the separate
existence of Carnegie shall cease; Sovereign shall be the surviving corporation
in the Merger; and all of the property (real, personal and mixed), rights,
powers and duties and obligations of Carnegie shall be taken and deemed to be
transferred to and vested in Sovereign, as the surviving corporation in the
Merger, without further act or deed; all debts, liabilities and duties of each
of Carnegie and Sovereign shall thereafter be the responsibility of Sovereign as
the surviving corporation; all in accordance with the applicable laws of the
Commonwealth of Pennsylvania and the State of New Jersey.
 
     (c) Sovereign's Articles of Incorporation and Bylaws.  On and after the
Effective Date, the articles of incorporation and the bylaws of Sovereign, as in
effect immediately prior to the Effective
 
                                      A-5
<PAGE>

Date, shall automatically be and remain the articles of incorporation and bylaws
of Sovereign, as the surviving corporation in the Merger, until thereafter
altered, amended or repealed.
 
     (d) Board of Directors and Officers of Sovereign and Sovereign Bank.
 
          (i) On the Effective Date, the Board of Directors and officers of
     Sovereign, as the surviving corporation in the Merger, shall consist of
     those persons holding such offices immediately prior to the Effective Date.
 
          (ii) On the effective date of the Bank Merger, the directors and
     officers of Sovereign Bank, as the surviving corporation in the Bank
     Merger, shall consist of those persons holding such offices immediately
     prior to the Effective Date.
 
     (e) Conversion of Shares.
 
          (i) Sovereign Common Stock.
 
             (A) Each share of Sovereign Common Stock issued and outstanding
        immediately prior to the Effective Date shall, on and after the
        Effective Date, continue to be issued and outstanding as an identical
        share of Sovereign Common Stock. Shares of Sovereign Common Stock owned
        by Carnegie (other than shares held in trust, managed, custodial or
        nominee accounts and the like or held by mutual funds for which a
        subsidiary of Carnegie acts as investment advisor, that in any such case
        are beneficially owned by third parties (any such shares, "trust account
        shares") and shares acquired in respect of debts previously contracted
        (any such shares, "DPC shares")) shall become treasury stock of
        Sovereign.
 
             (B) Each share of Sovereign Common Stock issued and held in the
        treasury of Sovereign as of the Effective Date, if any, shall, on and
        after the Effective Date, continue to be issued and held in the treasury
        of Sovereign.
 
          (ii) Carnegie Common Stock.
 
             (A) Subject to the provisions of subparagraphs (B), (C) and (D) of
        this Section 1.02(e)(ii), each share of Carnegie Common Stock issued and
        outstanding immediately prior to the Effective Date (other than shares
        of Carnegie Common Stock, if any, then owned by Sovereign or Carnegie or
        any Carnegie Subsidiary) shall, on the Effective Date, by reason of the
        Merger and without any action on the part of the holder thereof, be
        converted into and become a right to receive:
 
                 (i) if the Sovereign Market Value determined as of the
            Effective Date is greater than or equal to $18.00 and less than or
            equal to $22.00, then that number of shares of fully paid and
            nonassessable shares of Sovereign Common Stock, and the
            corresponding percentage of Sovereign Stock Purchase Rights pursuant
            to the Sovereign Rights Agreement, equal to $35.50 divided by the
            Sovereign Market Value determined as of the Effective Date;
 
                 (ii) if the Sovereign Market Value determined as of the
            Effective Date is less than $18.00, then 1.972 shares of fully paid
            and nonassessable shares of Sovereign Common Stock, and the
            corresponding percentage of Sovereign Stock Purchase Rights pursuant
            to the Sovereign Rights Agreement; or
 
                 (iii) if the Sovereign Market Value determined as of the
            Effective Date is greater than $22.00, then 1.614 shares of fully
            paid and nonassessable shares of Sovereign Common Stock, and the
            corresponding percentage of Sovereign Stock Purchase Rights pursuant
            to the Sovereign Rights Agreement (as determined pursuant to any of
            Sections 1.02(e)(ii)(A)(i), 1.02(e)(ii)(A)(ii) or
            1.02(e)(ii)(A)(iii), the "Exchange Ratio").
 
             (B) Each share of Carnegie Common Stock (other than trust account
        shares or DPC shares) owned by Sovereign or a Sovereign Subsidiary on
        the Effective Date, if any, shall be cancelled.
 
                                      A-6
<PAGE>

             (C) Each share of Carnegie Common Stock issued and held in the
        treasury of Carnegie or owned by Carnegie or any Carnegie Subsidiary
        (other than trust account shares or DPC shares) as of the Effective
        Date, if any, shall be cancelled, and no cash, stock or other property
        shall be delivered in exchange therefor.
 
             (D) No fraction of a whole share of Sovereign Common Stock and no
        scrip or certificates therefor shall be issued in connection with the
        Merger. Any former holder of Carnegie Common Stock who would otherwise
        be entitled to receive a fraction of a share of Sovereign Common Stock
        shall receive, in lieu thereof, cash in an amount equal to such fraction
        of a share multiplied by the Sovereign Market Price determined as of the
        Effective Date.
 
     (f) Stock Options.  Each option to acquire Carnegie Common Stock shall be
converted into and become an option to acquire that number of shares of
Sovereign Common Stock equal to the number of shares of Carnegie Common Stock
covered by the option multiplied by the Exchange Ratio. The exercise price for a
whole share of Sovereign Common Stock shall be the present stated exercise price
of such option divided by the Exchange Ratio, such shares to be issuable upon
exercise of such options in accordance with the terms of the respective plans
and grant agreements under which they were issued; provided however, that
Carnegie shall be permitted to amend the terms of outstanding nonqualified stock
options to (i) accelerate vesting of such options to a date on or prior to the
Effective Date and (ii) extend the expiration or termination of such options for
a period not exceeding 24 months following termination of an optionee's
employment or service provided that any such amendment shall not adversely
affect the ability to account for the transaction as a pooling of interests.
 
     (g) Surrender and Exchange of Carnegie Stock Certificates.
 
          (i) Exchange of Certificates.  Each holder of shares of Carnegie
     Common Stock who surrenders to Sovereign (or its agent) the certificate or
     certificates representing such shares will be entitled to receive, as soon
     as practicable after the Effective Date, in exchange therefor a certificate
     or certificates for the number of whole shares of Sovereign Common Stock
     into which such holder's shares of Carnegie Common Stock have been
     converted pursuant to the Merger, together with a check for cash in lieu of
     any fractional share in accordance with Section 1.02(e)(ii)(D) hereof.
 
          (ii) Rights Evidenced by Certificates.  Each certificate for shares of
     Sovereign Common Stock issued in exchange for certificates for Carnegie
     Common Stock pursuant to Section 1.02(g)(i) hereof will be dated the
     Effective Date and be entitled to dividends and all other rights and
     privileges pertaining to such shares of stock from and after the Effective
     Date. Until surrendered, each certificate theretofore evidencing shares of
     Carnegie Common Stock will, from and after the Effective Date, evidence
     solely the right to receive certificates for shares of Sovereign Common
     Stock pursuant to Section 1.02(g)(i) hereof and a check for cash in lieu of
     any fractional share in accordance with Section 1.02(e)(ii)(D) hereof. If
     certificates for shares of Carnegie Common Stock are exchanged for
     Sovereign Common Stock at a date following one or more record dates for the
     payment of dividends or of any other distribution on the shares of
     Sovereign Common Stock, Sovereign will pay cash at the time of such
     exchange in an amount equal to dividends theretofore payable on such
     Sovereign Common Stock and pay or deliver any other distribution to which
     holders of shares of Sovereign Common Stock have theretofore become
     entitled. No interest will accrue or be payable in respect of dividends or
     cash otherwise payable under this Section 1.02(g) upon surrender of
     certificates for shares of Carnegie Common Stock. Notwithstanding the
     foregoing, no party hereto will be liable to any holder of Carnegie Common
     Stock for any amount paid in good faith to a public official or agency
     pursuant to any applicable abandoned property, escheat or similar law.
     Until such time as certificates for shares of Carnegie Common Stock are
     surrendered by a Carnegie shareholder to Sovereign for exchange, or
     Carnegie shareholders have complied with reasonable and customary
     procedures relating to lost or destroyed certificates, Sovereign shall have
     the right to withhold dividends or any other distributions on the shares of
     Sovereign Common Stock issuable to such shareholder.
 
                                      A-7
<PAGE>

          (iii) Exchange Procedures.  Each certificate for shares of Carnegie
     Common Stock delivered for exchange under this Section 1.02(g) must be
     endorsed in blank by the registered holder thereof or be accompanied by a
     power of attorney to transfer such shares endorsed in blank by such holder.
     If more than one certificate is surrendered at one time and in one
     transmittal package for the same shareholder account, the number of whole
     shares of Sovereign Common Stock for which certificates will be issued
     pursuant to this Section 1.02(g) will be computed on the basis of the
     aggregate number of shares represented by the certificates so surrendered.
     If shares of Sovereign Common Stock or payments of cash are to be issued or
     made to a person other than the one in whose name the surrendered
     certificate is registered, the certificate so surrendered must be properly
     endorsed in blank, with signature(s) guaranteed, or otherwise in proper
     form for transfer, and the person to whom certificates for shares of
     Sovereign Common Stock is to be issued or to whom cash is to be paid shall
     pay any transfer or other taxes required by reason of such issuance or
     payment to a person other than the registered holder of the certificate for
     shares of Carnegie Common Stock which are surrendered. As promptly as
     practicable after the Effective Date, Sovereign shall send or cause to be
     sent to each shareholder of record of Carnegie Common Stock transmittal
     materials for use in exchanging certificates representing Carnegie Common
     Stock for certificates representing Sovereign Common Stock into which the
     former have been converted in the Merger. Certificates representing shares
     of Sovereign Common Stock and checks for cash in lieu of fractional shares
     shall be mailed to former shareholders of Carnegie as soon as reasonably
     possible but in no event later than fifteen (15) business days following
     the receipt of certificates representing former shares of Carnegie Common
     Stock (except in the case of share certificates containing a restrictive
     legend or with respect to which stop transfer instructions pertain) duly
     endorsed or accompanied by the materials referenced herein and delivered by
     certified mail, return receipt requested (but in no event earlier than the
     second business day following the Effective Date).
 
          (iv) Closing of Stock Transfer Books; Cancellation of Carnegie
     Certificates.  Upon the Effective Date, the stock transfer books for
     Carnegie Common Stock will be closed and no further transfers of shares of
     Carnegie Common Stock will thereafter be made or recognized. All
     certificates for shares of Carnegie Common Stock surrendered pursuant to
     this Section 1.02(g) will be cancelled by Sovereign.
 
     (h) Anti-Dilution Provisions.  If, on the Effective Date, (i) the Exchange
Ratio is determined pursuant to either Section 1.02(e)(ii)(A)(ii) or
1.02(e)(ii)(A)(iii), (ii) Sovereign has, at any time after the date hereof and
before the Effective Date, (A) issued a dividend in shares of Sovereign Common
Stock, (B) combined the outstanding shares of Sovereign Common Stock into a
smaller number of shares, (C) subdivided the outstanding shares of Sovereign
Common Stock, or (D) reclassified the shares of Sovereign Common Stock, and
(iii) the Exchange Ratio would have been determined under the same section if
such dividend, combination, subdivision or reclassification had not occurred
(determined by appropriate mathematical adjustment of the actual Exchange
Ratio), then the number of shares of Sovereign Common Stock to be delivered
pursuant to Sections 1.02(e)(ii)(A)(ii) or 1.02(e)(ii)(A)(iii) to Carnegie
shareholders who are entitled to receive shares of Sovereign Common Stock in
exchange for shares of Carnegie Common Stock shall be adjusted so that each
Carnegie shareholder shall be entitled to receive such number of shares of
Sovereign Common Stock as such shareholder would have been entitled to receive
if the Effective Date had occurred prior to the happening of such event. (By way
of illustration, if Sovereign shall declare a stock dividend of 7% payable with
respect to a record date on or prior to the Effective Date and the conditions
set forth above are satisfied, the Exchange Ratio determined pursuant to
Sections 1.02(e)(ii)(A)(ii) or 1.02(e)(ii)(A)(iii) shall be adjusted upward by
7%). If, on the Effective Date, (i) the exchange ratio preliminarily would be
determined pursuant to Section 1.02(e)(ii)(A)(i), 1.02(e)(ii)(A)(ii), or
1.02(e)(ii)(A)(iii) (the "Tentative Exchange Ratio"), (ii) Sovereign has, at any
time after the date hereof and before the Effective Date, (A) issued a dividend
in shares of Sovereign Common Stock, (B) combined the outstanding shares of
Sovereign Common Stock into a smaller number of shares, (C) subdivided the
outstanding shares of Sovereign Common Stock, or (D) reclassified the shares of
Sovereign Common Stock, and (iii) the Tentative Exchange Ratio would have been
determined under a
 
                                      A-8
<PAGE>

different section if such dividend, combination, subdivision, or
reclassification had not occurred (determined by appropriate mathematical
adjustment of the Sovereign Market Value), then the actual Exchange Ratio shall
be determined by giving effect to such mathematical adjustment and by changing,
if relevant, the otherwise determined exchange ratio amount set forth in Section
1.02(e)(ii)(A)(ii) or 1.02(e)(ii)(A)(iii). (By way of illustration, if Sovereign
shall declare a two-for-one stock split payable with respect to a record date on
or prior to the Effective Date and the Sovereign Market Value determined as of
the Effective Date is $10.00, then the Exchange Ratio shall be determined under
Section 1.02(e)(ii)(A)(i) as though such Sovereign Market Value were $20.00. In
such event, each Bankers shareholder would receive 3.55 shares of Sovereign
Common Stock in exchange for each share of Bankers Common Stock, so that the
aggregate market value of the Sovereign Common Stock received would be $35.50.)
 
     Section 1.03 The Bank Merger.  Sovereign and Carnegie shall use their best
efforts to cause Carnegie Bank to merge with and into Sovereign Bank, with
Sovereign Bank surviving such merger, as soon as practicable after the Effective
Date. Concurrently with, or as soon as practicable after, the execution and
delivery of this Agreement, Sovereign shall cause Sovereign Bank, and Carnegie
shall cause Carnegie Bank, to execute and deliver the Bank Plan of Merger
attached hereto as Exhibit 3.
 
                                   ARTICLE II
                   REPRESENTATIONS AND WARRANTIES OF CARNEGIE
 
     Carnegie hereby represents and warrants to Sovereign that, except as
specifically set forth in the Carnegie Disclosure Schedule delivered to
Sovereign by Carnegie on the date hereof:
 
     Section 2.01 Organization.
 
     (a) Carnegie is a corporation duly organized, validly existing and in good
standing under the laws of the State of New Jersey. Carnegie is a bank holding
company duly registered under the BHC. Carnegie has the corporate power and
authority to carry on its business and operations as now being conducted and to
own and operate the properties and assets now owned and being operated by it.
Carnegie is not qualified or licensed to do business as a foreign corporation in
any other jurisdiction and is not required to be so qualified or licensed as the
result of the ownership or leasing of property or the conduct of its business
except where the failure to be so qualified or licensed would not have a
Material Adverse Effect.
 
     (b) Carnegie Bank is a national banking association duly organized and
validly existing under the laws of the United States of America. Carnegie Bank
has the corporate power and authority to carry on its business and operations as
now being conducted and to own and operate the properties and assets now owned
and being operated by it. Neither Carnegie Bank nor any other Carnegie
Subsidiary is qualified or licensed to do business as a foreign corporation in
any other jurisdiction and neither is required to be so qualified or licensed as
the result of the ownership or leasing of property or the conduct of its
business except where the failure to be so qualified or licensed would not have
a Material Adverse Effect.
 
     (c) There are no Carnegie Subsidiaries other than Carnegie Bank and those
identified in the Carnegie Disclosure Schedule. There are no Carnegie Bank
Subsidiaries other than those identified in the Carnegie Disclosure Schedule.
 
     (d) The deposits of Carnegie Bank are insured by the FDIC to the extent
provided in the FDIA.
 
     (e) The respective minute books of Carnegie and Carnegie Bank and each
other Carnegie Subsidiary accurately record, in all material respects, all
material corporate actions of their respective shareholders and boards of
directors (including committees) through the date of this Agreement.
 
     (f) Prior to the date of this Agreement, Carnegie has delivered to
Sovereign true and correct copies of the articles of incorporation and bylaws of
Carnegie and the articles of association and bylaws of Carnegie Bank as in
effect on the date hereof.
 
                                      A-9
<PAGE>

     Section 2.02 Capitalization.
 
     (a) The authorized capital stock of Carnegie consists of (a) 5,000,000
shares of common stock, no par value ("Carnegie Common Stock"), of which
2,733,108 shares are outstanding, validly issued, fully paid and nonassessable
and free of preemptive rights, and (b) no shares of preferred stock. Neither
Carnegie nor Carnegie Bank nor any other Carnegie Subsidiary has or is bound by
any subscription, option, warrant, call, commitment, agreement, plan or other
Right of any character relating to the purchase, sale or issuance or voting of,
or right to receive dividends or other distributions on any shares of Carnegie
Common Stock, Carnegie preferred stock or any other security of Carnegie or any
securities representing the right to vote, purchase or otherwise receive any
shares of Carnegie Common Stock, Carnegie preferred stock or any other security
of Carnegie, other than shares issuable under the Sovereign Option and as set
forth in reasonable detail in the Carnegie Disclosure Schedule.
 
     (b) The authorized capital stock of Carnegie Bank consists of (i) 1,000,000
shares of common stock, par value $5.00 per share, of which 897,305 shares are
outstanding, validly issued, fully paid, nonassessable, free of preemptive
rights and owned by Carnegie. Neither Carnegie nor any Carnegie Subsidiary has
or is bound by any subscription, option, warrant, call, commitment, agreement or
other Right of any character relating to the purchase, sale or issuance or
voting of, or right to receive dividends or other distributions on any shares of
the capital stock of any Carnegie Subsidiary or any other security of any
Carnegie Subsidiary or any securities representing the right to vote, purchase
or otherwise receive any shares of the capital stock or any other security of
any Carnegie Subsidiary. Either Carnegie or Carnegie Bank owns all of the
outstanding shares of capital stock of each Carnegie Subsidiary free and clear
of all liens, security interests, pledges, charges, encumbrances, agreements and
restrictions of any kind or nature.
 
     (c) Except as set forth in the Carnegie Disclosure Schedule, neither (i)
Carnegie, (ii) Carnegie Bank nor (iii) any other Carnegie Subsidiary, owns any
equity interest, directly or indirectly, treasury stock, in any other company or
controls any other company, except for equity interests held in the investment
portfolios of Carnegie Subsidiaries, equity interests held by Carnegie
Subsidiaries in a fiduciary capacity, and equity interests held in connection
with the commercial loan activities of Carnegie Subsidiaries including DPC
shares. There are no subscriptions, options, warrants, calls, commitments,
agreements or other Rights outstanding and held by Carnegie or Carnegie Bank
with respect to any other company's capital stock or the equity of any other
person.
 
     (d) To the best of Carnegie's knowledge, no person or "group" (as that term
is used in Section 13(d)(3) of the Exchange Act), is the beneficial owner (as
defined in Section 13(d) of the Exchange Act) of 5% or more of the outstanding
shares of Carnegie Common Stock, except as disclosed in the Carnegie Disclosure
Schedule.
 
     Section 2.03 Authority; No Violation.
 
     (a) Carnegie has full corporate power and authority to execute and deliver
this Agreement and to complete the transactions contemplated hereby. Carnegie
Bank has full corporate power and authority to execute and deliver the Bank Plan
of Merger and to consummate the Bank Merger. The execution and delivery of this
Agreement by Carnegie and the completion by Carnegie of the transactions
contemplated hereby have been duly and validly approved by the Board of
Directors of Carnegie and, except for approval by the shareholders of Carnegie
as required under the NJBCA, Carnegie's articles of incorporation and bylaws and
Nasdaq requirements applicable to it, no other corporate proceedings on the part
of Carnegie are necessary to complete the transactions contemplated hereby. This
Agreement has been duly and validly executed and delivered by Carnegie and,
subject to approval of the shareholders of Carnegie as required under the NJBCA,
Carnegie's articles of incorporation and bylaws and Nasdaq requirements
applicable to it and receipt of the required approvals from Regulatory
Authorities described in Section 3.04 hereof, constitutes the valid and binding
obligation of Carnegie, enforceable against Carnegie in accordance with its
terms, subject to applicable bankruptcy, insolvency and similar laws affecting
creditors' rights generally and subject, as to enforceability, to general
principles of equity. The Bank Plan of Merger, upon its execution and delivery
by Carnegie Bank
 
                                      A-10
<PAGE>

concurrently with the execution and delivery of this Agreement, will constitute
the valid and binding obligation of Carnegie Bank, enforceable against Carnegie
Bank in accordance with its terms, subject to approvals of Regulatory
Authorities and applicable conservatorship or receivership provisions of the
FDIA, or insolvency and similar laws affecting creditors' rights generally and
subject, as to enforceability, to general principles of equity.
 
     (b) (A) The execution and delivery of this Agreement by Carnegie, (B) the
execution and delivery of the Bank Plan of Merger by Carnegie Bank, (C) subject
to receipt of approvals from the Regulatory Authorities referred to in Section
3.04 hereof, shareholder approval and Carnegie's and Sovereign's compliance with
any conditions contained therein, the completion of the transactions
contemplated hereby, and (D) compliance by Carnegie or Carnegie Bank with any of
the terms or provisions hereof or of the Bank Plan of Merger, will not (i)
conflict with or result in a breach of any provision of the articles of
incorporation or bylaws of Carnegie or any Carnegie Subsidiary or the articles
of association or bylaws of Carnegie Bank; (ii) violate any statute, code,
ordinance, rule, regulation, judgment, order, writ, decree or injunction
applicable to Carnegie or any Carnegie Subsidiary or any of their respective
properties or assets; or (iii) except as set forth in the Carnegie Disclosure
Schedule, violate, conflict with, result in a breach of any provisions of,
constitute a default (or an event which, with notice or lapse of time, or both,
would constitute a default) under, result in the termination of, accelerate the
performance required by, or result in a right of termination or acceleration or
the creation of any lien, security interest, charge or other encumbrance upon
any of the properties or assets of Carnegie or any Carnegie Subsidiary under,
any of the terms, conditions or provisions of any note, bond, mortgage,
indenture, deed of trust, license, lease, agreement, commitment or other
instrument or obligation to which Carnegie or any Carnegie Subsidiary is a
party, or by which they or any of their respective properties or assets may be
bound or affected, except for such violations, conflicts, breaches or defaults
under clause (ii) or (iii) hereof which, either individually or in the
aggregate, will not have a Material Adverse Effect on Carnegie.
 
     Section 2.04 Consents.  Except for the consents, approvals, filings and
registrations from or with the Regulatory Authorities referred to in Section
3.04 hereof and compliance with any conditions contained therein, and the
approval of this Agreement by the shareholders of Carnegie under the NJBCA, and
the approval of the Bank Plan of Merger by Carnegie as sole shareholder of
Carnegie Bank under the NBA, and by the Carnegie Bank Board of Directors, no
consents or approvals of, or filings or registrations with, any public body or
authority are necessary, and no consents or approvals of any third parties are
necessary, or will be, in connection with (a) the execution and delivery of this
Agreement by Carnegie or the Bank Plan of Merger by Carnegie Bank, or (b) the
completion by Carnegie of the transactions contemplated hereby or by Carnegie
Bank of the Bank Merger. Carnegie has no reason to believe that (i) any required
consents or approvals will not be received or will be received with conditions,
limitations or restrictions unacceptable to it or which would adversely impact
Carnegie's ability to complete the transactions contemplated by this Agreement
or that (ii) any public body or authority, the consent or approval of which is
not required or any filing with which is not required, will object to the
completion of the transactions contemplated by this Agreement.
 
     Section 2.05  Financial Statements.
 
     (a) Carnegie has previously delivered, or will deliver, to Sovereign the
Carnegie Regulatory Reports. The Carnegie Regulatory Reports have been, or will
be, prepared in all material respects in accordance with applicable regulatory
accounting principles and practices throughout the periods covered by such
statements, and fairly present, or will fairly present in all material respects,
the financial position, results of operations and changes in shareholders'
equity of Carnegie as of and for the periods ended on the dates thereof, in
accordance with applicable regulatory accounting principles applied on a
consistent basis, subject to normal permissible adjustments.
 
     (b) Carnegie has previously delivered to Sovereign the Carnegie Financials.
The Carnegie Financials have been, or will be, prepared in accordance with
generally accepted accounting principles and practices applied on a consistent
basis throughout the periods covered by such statements, and fairly present, or
will fairly present, the consolidated financial position, results of operations
and cash
 
                                      A-11
<PAGE>

flows of Carnegie as of and for the periods ending on the dates thereof, in
accordance with generally accepted accounting principles applied on a consistent
basis, subject to normal recurring audit adjustments.
 
     (c) At the date of each balance sheet included in the Carnegie Financials
or the Carnegie Regulatory Reports, neither Carnegie nor Carnegie Bank (as the
case may be) had, or will have any liabilities, obligations or loss
contingencies of any nature (whether absolute, accrued, contingent or otherwise)
of a type required to be reflected in such Carnegie Financials or Carnegie
Regulatory Reports or in the footnotes thereto which are not fully reflected or
reserved against therein or fully disclosed in a footnote thereto, except for
liabilities, obligations and loss contingencies which are not material in the
aggregate and which are incurred in the ordinary course of business, consistent
with past practice and except for liabilities, obligations and loss
contingencies which are within the subject matter of a specific representation
and warranty herein and subject, in the case of any unaudited statements, to
normal, recurring audit adjustments and the absence of footnotes.
 
     Section 2.06 Taxes.
 
     (a) Carnegie and the Carnegie Subsidiaries are members of the same
affiliated group within the meaning of IRC Section 1504(a). Carnegie has duly
filed, and will file, all federal, state and local tax returns required to be
filed by or with respect to Carnegie and all Carnegie Subsidiaries on or prior
to the Closing Date (all such returns being accurate and correct in all material
respects) and has duly paid or will pay, or made or will make, provisions for
the payment of all federal, state and local taxes which have been incurred by or
are due or claimed to be due from Carnegie and any Carnegie Subsidiary by any
taxing authority or pursuant to any tax sharing agreement or arrangement
(written or oral) on or prior to the Closing Date other than taxes which (i) are
not delinquent or (ii) are being contested in good faith.
 
     (b) No consent pursuant to IRC Section 341(f) has been filed (or will be
filed prior to the Closing Date) by or with respect to Carnegie or any Carnegie
Subsidiary.
 
     Section 2.07 No Material Adverse Effect.  Carnegie has not suffered any
Material Adverse Effect since December 31, 1996.
 
     Section 2.08 Contracts.
 
     (a) Except as described in Carnegie's proxy statement for its May 21, 1997
annual meeting of shareholders and Annual Reports on Form 10-K or 10-KSB for the
years ended December 31, 1996, 1995 and 1994, previously delivered to Sovereign,
in the footnotes to the audited consolidated financial statements of Carnegie as
of December 31, 1996, and for the three years ended December 31, 1996, or in the
Carnegie Disclosure Schedule, neither Carnegie nor any Carnegie Subsidiary is a
party to or subject to: (i) any employment, consulting or severance contract or
arrangement with any past or present officer, director or employee of Carnegie
or any Carnegie Subsidiary, except for "at will" arrangements; (ii) any plan,
arrangement or contract providing for bonuses, pensions, options, deferred
compensation, retirement payments, profit sharing or similar arrangements for or
with any past or present officers, directors or employees of Carnegie or any
Carnegie Subsidiary; (iii) any collective bargaining agreement with any labor
union relating to employees of Carnegie or any Carnegie Subsidiary; (iv) any
agreement which by its terms limits the payment of dividends by any Carnegie
Subsidiary; (v) any instrument evidencing or related to indebtedness for
borrowed money whether directly or indirectly, by way of purchase money
obligation, conditional sale, lease purchase, guaranty or otherwise, in respect
of which Carnegie or any Carnegie Subsidiary is an obligor to any person, which
instrument evidences or relates to indebtedness other than deposits, repurchase
agreements, bankers acceptances and "treasury tax and loan" accounts established
in the ordinary course of business and transactions in "federal funds" or which
contains financial covenants or other restrictions (other than those relating to
the payment of principal and interest when due) which would be applicable on or
after the Closing Date to Sovereign or any Sovereign Subsidiary; or (vi) any
contract (other than this Agreement) limiting the freedom of any Carnegie
Subsidiary to engage in any type of banking or bank-related business permissible
under law.
 
                                      A-12
<PAGE>

     (b) True and correct copies of agreements, plans, arrangements and
instruments referred to in Section 2.08(a) or the filings referenced therein,
have been provided to Sovereign on or before the date hereof, are listed on the
Carnegie Disclosure Schedule and are in full force and effect on the date hereof
and neither Carnegie nor any Carnegie Subsidiary (nor, to the knowledge of
Carnegie, any other party to any such contract, plan, arrangement or instrument)
has breached any provision of, or is in default in any respect under any term
of, any such contract, plan, arrangement or instrument which breach has resulted
in or will result in a Material Adverse Effect with respect to Carnegie. Except
as set forth in the Carnegie Disclosure Schedule, no party to any material
contract, plan, arrangement or instrument will have the right to terminate any
or all of the provisions of any such contract, plan, arrangement or instrument
as a result of the transactions contemplated by this Agreement. Except as set
forth in the Carnegie Disclosure Schedule or as otherwise contemplated by this
Agreement or the Merger, none of the employees (including officers) of Carnegie
or any Carnegie Subsidiary, possess the right to terminate their employment
solely as a result of the execution of this Agreement. Except as set forth in
the Carnegie Disclosure Schedule, no plan, employment agreement, termination
agreement, or similar agreement or arrangement to which Carnegie or any Carnegie
Subsidiary is a party or under which Carnegie or any Carnegie Subsidiary may be
liable contains provisions which permit an employee or independent contractor to
terminate it without cause and continue to accrue future benefits thereunder.
Except as set forth in the Carnegie Disclosure Schedule or as otherwise
contemplated by this Agreement or the Merger, no such agreement, plan or
arrangement (x) provides for acceleration in the vesting of benefits or payments
due thereunder upon the occurrence of a change in ownership or control of
Carnegie or any Carnegie Subsidiary absent the occurrence of a subsequent event;
(y) provides for benefits which may cause the disallowance of a federal income
tax deduction under IRC Section 280G; or (z) requires Carnegie or any Carnegie
Subsidiary to provide a benefit in the form of Carnegie Common Stock or
determined by reference to the value of Carnegie Common Stock.
 
     Section 2.09 Ownership of Property; Insurance Coverage.
 
     (a) Except as disclosed in the Carnegie Disclosure Schedule, Carnegie and
the Carnegie Subsidiaries have, or will have as to property acquired after the
date hereof, good and, as to real property, marketable title to all assets and
properties owned by Carnegie or any Carnegie Subsidiary in the conduct of their
businesses, whether such assets and properties are real or personal, tangible or
intangible, including assets and property reflected in the balance sheets
contained in the Carnegie Regulatory Reports and in the Carnegie Financials or
acquired subsequent thereto (except to the extent that such assets and
properties have been disposed of for fair value, in the ordinary course of
business, since the date of such balance sheets), subject to no encumbrances,
liens, mortgages, security interests or pledges, except (i) those items which
secure liabilities for borrowed money from a member bank or the Federal Reserve
Bank, (ii) statutory liens for amounts not yet delinquent or which are being
contested in good faith and (iii) items permitted under Article IV or (iv), as
to real property, exceptions to title which are not material individually or in
the aggregate. Carnegie and the Carnegie Subsidiaries, as lessee, have the right
under valid and subsisting leases of real and personal properties used by
Carnegie and its Subsidiaries in the conduct of their businesses to occupy or
use all such properties as presently occupied and used by each of them. Except
as disclosed in the Carnegie Disclosure Schedule, such existing leases and
commitments to lease constitute operating leases for both tax and financial
accounting purposes and the lease expense and minimum rental commitments with
respect to such leases and lease commitments are as disclosed in the Notes to
the Carnegie Financials.
 
     (b) With respect to all agreements pursuant to which Carnegie or any
Carnegie Subsidiary has purchased securities subject to an agreement to resell,
if any, Carnegie or such Carnegie Subsidiary, as the case may be, has a valid,
perfected first lien or security interest in the securities or other collateral
securing the repurchase agreement, and the value of such collateral equals or
exceeds the amount of the debt secured thereby.
 
     (c) Carnegie and the Carnegie Subsidiaries currently maintain insurance
considered by Carnegie to be reasonable for their respective operations and
similar in scope and coverage to that maintained by other businesses similarly
engaged. Neither Carnegie nor any Carnegie Subsidiary has received written
notice from any insurance carrier that (i) such insurance will be cancelled or
that coverage thereunder
 
                                      A-13
<PAGE>

will be reduced or eliminated, or (ii) premium costs with respect to such
policies of insurance will be substantially increased the effect of which would
result in a Material Adverse Effect. There are presently no material claims
pending under such policies of insurance and no notices have been given by
Carnegie or Carnegie Bank under such policies. All such insurance is valid and
enforceable and in full force and effect, and within the last three years
Carnegie has received each type of insurance coverage for which it has applied
and during such periods has not been denied indemnification for any material
claims submitted under any of its insurance policies.
 
     Section 2.10 Legal Proceedings.  Except as disclosed in the Carnegie
Disclosure Schedule, neither Carnegie nor any Carnegie Subsidiary is a party to
any, and there are no pending or, to the best of Carnegie's knowledge,
threatened legal, administrative, arbitration or other proceedings, claims
(whether asserted or unasserted), actions or governmental investigations or
inquiries of any nature (i) against Carnegie or any Carnegie Subsidiary, (ii) to
which Carnegie or any Carnegie Subsidiary's assets are or may be subject, (iii)
challenging the validity or propriety of any of the transactions contemplated by
this Agreement, or (iv) which could adversely affect the ability of Carnegie to
perform under this Agreement, except for any proceedings, claims, actions,
investigations or inquiries referred to in clauses (i) or (ii) which, if
adversely determined, individually or in the aggregate, could not be reasonably
expected to have a Material Adverse Effect.
 
     Section 2.11 Compliance With Applicable Law.
 
     (a) Carnegie and Carnegie Subsidiaries hold all licenses, franchises,
permits and authorizations necessary for the lawful conduct of their businesses
under, and have complied in all material respects with, applicable laws,
statutes, orders, rules or regulations of any federal, state or local
governmental authority relating to them, other than where such failure to hold
or such noncompliance will neither result in a limitation in any material
respect on the conduct of their businesses nor otherwise have a Material Adverse
Effect.
 
     (b) Except as disclosed in the Carnegie Disclosure Schedule, neither
Carnegie nor any Carnegie Subsidiary has received any notification or
communication from any Regulatory Authority (i) asserting that Carnegie or any
Carnegie Subsidiary is not in compliance with any of the statutes, regulations
or ordinances which such Regulatory Authority enforces; (ii) threatening to
revoke any license, franchise, permit or governmental authorization which is
material to Carnegie or any Carnegie Subsidiary; (iii) requiring or threatening
to require Carnegie or any Carnegie Subsidiary, or indicating that Carnegie or
any Carnegie Subsidiary may be required, to enter into a cease and desist order,
agreement or memorandum of understanding or any other agreement restricting or
limiting, or purporting to restrict or limit, in any manner the operations of
Carnegie or any Carnegie Subsidiary, including without limitation any
restriction on the payment of dividends; or (iv) directing, restricting or
limiting, or purporting to direct, restrict or limit, in any manner the
operations of Carnegie or any Carnegie Subsidiary, including without limitation
any restriction on the payment of dividends (any such notice, communication,
memorandum, agreement or order described in this sentence is hereinafter
referred to as a "Regulatory Agreement"). Neither Carnegie nor any Carnegie
Subsidiary has consented to or entered into any Regulatory Agreement, except as
heretofore disclosed to Sovereign.
 
     Section 2.12 ERISA.  Carnegie has previously delivered to Sovereign true
and complete copies of all employee pension benefit plans within the meaning of
ERISA Section 3(2), including profit sharing plans, deferred compensation and
supplemental income plans, supplemental executive retirement plans, employment
agreements, annual or long-term incentive plans, group insurance plans, all
employee welfare benefit plans within the meaning of ERISA Section 3(1)
(including short-term disability, long-term disability, and medical plans),
vacation pay and sick leave policies or arrangements, and all other employee
benefit plans, policies, agreements and arrangements, all of which are set forth
or described in the Carnegie Disclosure Schedule, maintained or contributed to
for the benefit of the employees or former employees (including eligible retired
employees) and any beneficiaries thereof or directors or former directors of
Carnegie or any Carnegie Subsidiary, together with (i) the most recent actuarial
(if any) and financial statements relating to those plans which constitute
"qualified plans" under IRC Section 401(a), (ii) the most recent annual reports,
if any,
 
                                      A-14
<PAGE>

relating to such plans filed by them, respectively, with any government agency,
and (iii) all rulings and determination letters, if any, which pertain to any
such plans. Neither Carnegie, any Carnegie Subsidiary which is required to be
aggregated with Carnegie under IRC Section 414 nor any other pension plan
maintained by Carnegie or any Carnegie Subsidiary, has incurred, directly or
indirectly, within the past six (6) years any liability under Title IV of ERISA
(including to the Pension Benefit Guaranty Corporation) or to the IRS with
respect to any pension plan qualified under IRC Section 401(a) which liability
has resulted in or will result in a Material Adverse Effect with respect to
Carnegie, except liabilities to the Pension Benefit Guaranty Corporation
pursuant to ERISA Section 4007, all of which have been fully paid, nor has any
reportable event under ERISA Section 4043 occurred with respect to any such
pension plan. With respect to each of such plans that is subject to Title IV of
ERISA, the present value of the accrued benefits under such plan, determined on
an "ongoing basis" and not a "termination basis," using the actuarial
assumptions used for funding purposes in the plan's most recent actuarial
report, did not, as of its latest valuation date, exceed the then current value
of the assets of such plan allocable to such accrued benefits. Neither Carnegie
nor any Carnegie Subsidiary has incurred, or is subject to any liability under
ERISA Section 4201 for, a complete or partial withdrawal from a multi-employer
plan. All "employee benefit plans," as defined in ERISA Section 3(3), maintained
or sponsored by Carnegie or any Carnegie Subsidiary comply, and within the past
six (6) years have complied, in all material respects with (i) relevant
provisions of ERISA and (ii) in the case of plans intended to qualify for
favorable income tax treatment, provisions of the IRC relevant to such
treatment. No prohibited transaction (which shall mean any transaction
prohibited by ERISA Section 406 and not exempt under ERISA Section 408 or any
transaction prohibited under IRC Section 4975(c) and not exempt under IRC
Section 4975(d)) has occurred within the past six (6) years with respect to any
employee benefit plan maintained by Carnegie or any Carnegie Subsidiary which
would result in the imposition, directly or indirectly, of tax under IRC Section
4975 or other penalty under ERISA, which, individually or in the aggregate, has
resulted in or will result in a Material Adverse Effect with respect to
Carnegie. Carnegie and the Carnegie Subsidiaries have provided continuation
coverage under group health plans for separating employees and "qualified
beneficiaries" in accordance with the provisions of IRC Section 4980B(f). To the
knowledge of Carnegie, such group health plans are in material compliance with
Section 1862(b)(1) of the Social Security Act.
 
     Section 2.13 Brokers, Finders and Financial Advisors.  Except for
Carnegie's engagement of Janney Montgomery Scott Inc. ("JMS") and First Colonial
Securities Group, Inc. ("FCSG") in connection with transactions contemplated by
this Agreement, neither Carnegie nor any Carnegie Subsidiary, nor any of their
respective officers, directors, employees or agents, has employed any broker,
finder or financial advisor in connection with the transactions contemplated by
this Agreement or in connection with any transaction other than the Merger, or,
except for its commitments disclosed in Carnegie Disclosure Schedule, incurred
any liability or commitment for any fees or commissions to any such person in
connection with the transactions contemplated by this Agreement or in connection
with any transaction other than the Merger, which has not been reflected in the
Carnegie Financials. The Carnegie Disclosure Schedule shall contain as an
exhibit the engagement letter among Carnegie, JMS and FCSG.
 
     Section 2.14 Environmental Matters.  To the knowledge of Carnegie, neither
Carnegie nor any Carnegie Subsidiary, nor any properties owned or operated by
Carnegie or any Carnegie Subsidiary has been or is in violation of or liable
under any Environmental Law which violation or liability, individually or in the
aggregate, resulted in, or will result, in a Material Adverse Effect with
respect to Carnegie. There are no actions, suits or proceedings, or demands,
claims, notices or investigations (including without limitation notices, demand
letters or requests for information from any environmental agency) instituted or
pending, or to the knowledge of Carnegie, threatened, relating to the liability
of any property owned or operated by Carnegie or any Carnegie Subsidiary under
any Environmental Law.
 
     Section 2.15 Loan Portfolio.  The allowance for loan losses reflected, and
to be reflected, in the Carnegie Regulatory Reports, and shown, and to be shown,
on the balance sheets contained in the
 
                                      A-15
<PAGE>

Carnegie Financials have been, and will be, established in accordance with the
requirements of generally accepted accounting principles and all applicable
regulatory criteria.
 
     Section 2.16 Information to be Supplied.  The information to be supplied by
Carnegie and Carnegie Bank for inclusion in the Registration Statement
(including the Prospectus/Proxy Statement) will not, at the time the
Registration Statement is declared effective pursuant to the Securities Act,
contain any untrue statement of a material fact or omit to state any material
fact necessary in order to make the statements therein not misleading. The
information supplied, or to be supplied, by Carnegie for inclusion in the
Applications will, at the time such documents are filed with any Regulatory
Authority, be accurate in all material aspects.
 
     Section 2.17 Securities Documents.  Carnegie has delivered to Sovereign
copies of its (i) annual reports on SEC Form 10-K or 10-KSB for the years ended
December 31, 1996 and 1995, (ii) quarterly reports on SEC Form 10-Q or 10-QSB
for the quarters ended March 31, 1997, June 31, 1997 and September 30, 1997 and
(iii) proxy materials used or for use in connection with its annual meetings of
shareholders held in 1997, 1996 and 1995. Such reports and such proxy materials
complied, at the time filed with the SEC, in all material respects, with the
Exchange Act and all applicable rules and regulations of the SEC.
 
     Section 2.18 Related Party Transactions.  Except as disclosed (i) in the
Carnegie Disclosure Schedule, (ii) in Carnegie's proxy statement for its May 21,
1997 annual meeting of shareholders or (iii) in the footnotes to the Carnegie
Financials, Carnegie is not a party to any transaction (including any loan or
other credit accommodation) with any Affiliate of Carnegie (except a Carnegie
Subsidiary). Except as so disclosed, all such transactions (a) were made in the
ordinary course of business, (b) 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 (c) did not involve more than
the normal risk of collectability or present other unfavorable features. Except
as set forth in the Carnegie Disclosure Schedule, no loan or credit
accommodation to any Affiliate of Carnegie is presently in default or, during
the three year period prior to the date of this Agreement, has been in default
or has been restructured, modified or extended. Neither Carnegie nor Carnegie
Bank has been notified that principal and interest with respect to any such loan
or other credit accommodation will not be paid when due or that the loan grade
classification accorded such loan or credit accommodation by Carnegie Bank is
inappropriate.
 
     Section 2.19 Schedule of Termination Benefits.  The Carnegie Disclosure
Schedule includes a schedule of the present value as of June 30, 1998 of
termination benefits and related payments that would be payable to the
individuals identified thereon, excluding any options to acquire Carnegie Common
Stock granted to such individuals, under any and all employment agreements,
special termination agreements, supplemental executive retirement plans,
deferred bonus plans, deferred compensation plans, salary continuation plans, or
any other pension benefit or welfare benefit plan maintained by Carnegie solely
for the benefit of officers of Carnegie or Carnegie Subsidiaries (the "Benefits
Schedule"), assuming their employment is terminated as of June 30, 1998 and the
Closing Date occurs prior to such termination. No other individuals are entitled
to benefits under any such plans. The present value of the termination benefits
and related payments specified on the Benefits Schedule with respect to each
named individual (based on a 6% per annum discount factor) is true and correct
in all material respects.
 
     Section 2.20 Loans.  Each loan reflected as an asset in the Carnegie
Financial Statements (i) is evidenced by notes, agreements or other evidences of
indebtedness which are true, genuine and correct (ii) to the extent secured, has
been secured by valid liens and security interests which have been perfected,
and (ii) is the legal, valid and binding obligation of the obligor named
therein, enforceable in accordance with its terms, subject to bankruptcy,
insolvency, fraudulent conveyance and other laws of general applicability
relating to or affecting creditors' rights and to general equity principles, in
each case other than loans as to which the failure to satisfy the foregoing
standards would not have a Material Adverse Effect on Carnegie.
 
                                      A-16
<PAGE>

     Section 2.21 Antitakeover Provisions Inapplicable.  The provisions of
Sections 14A:10A-4 and 14A:10A-5 of the NJBCA do not and will not apply to this
Agreement or the transactions contemplated hereby, assuming Sovereign owns no
shares of Carnegie Common Stock.
 
     Section 2.22 Quality of Representations.  The representations made by
Carnegie in this Agreement are true, correct and complete in all material
respects, and do not omit statements necessary to make them not misleading.
 
                                  ARTICLE III
                  REPRESENTATIONS AND WARRANTIES OF SOVEREIGN
 
     Sovereign hereby represents and warrants to Carnegie that, except as set
forth in the Sovereign Disclosure Schedule delivered by Sovereign to Carnegie on
or prior to the date hereof:
 
     Section 3.01 Organization.
 
     (a) Sovereign is a corporation duly organized, validly existing and in good
standing under the laws of the Commonwealth of Pennsylvania. Sovereign is a
savings and loan holding company duly registered under the HOLA. Sovereign has
the corporate power and authority to carry on its business and operations as now
being conducted and to own and operate the properties and assets now owned and
being operated by it. Each Sovereign Subsidiary is duly organized, validly
existing, and in good standing under the laws of the jurisdiction of its
incorporation and each possesses full corporate power and authority to carry on
its respective business and to own, lease and operate its properties as
presently conducted. Neither Sovereign nor any Sovereign Subsidiary is required
by the conduct of its business or the ownership or leasing of its assets to
qualify to do business as a foreign corporation in any jurisdiction other than
the Commonwealth of Pennsylvania and the states of Delaware and New Jersey,
except where the failure to be so qualified would not have a Material Adverse
Effect.
 
     (b) Sovereign Bank is a federal savings bank, duly organized and validly
existing under the laws of the United States of America. Sovereign Bank has the
corporate power and authority to carry on its business and operations as now
being conducted and to own and operate the properties and assets now owned and
being operated by it.
 
     (c) The deposits of Sovereign Bank are insured by the FDIC to the extent
provided in the FDIA.
 
     (d) The respective minute books of Sovereign and Sovereign Bank accurately
record in all material respects all material corporate action of their
respective shareholders and boards of directors (including committees) through
the date of this Agreement.
 
     (e) Prior to the execution of this Agreement, Sovereign has delivered to
Carnegie true and correct copies of the articles of incorporation and the bylaws
of Sovereign and Sovereign Bank, respectively, as in effect on the date hereof.
 
     Section 3.02 Capital Structure.
 
     (a) The authorized capital stock of Sovereign consists of (a) 200,000,000
shares of common stock, no par value ("Sovereign Common Stock"), of which, at
the date of this Agreement, 10,008 shares were issued and held by Sovereign as
treasury stock and 89,366,365 shares are outstanding, validly issued, fully paid
and nonassessable, and (b) 7,500,000 shares of preferred stock, no par value, of
which, at the date of this Agreement, 2,000,000 shares of 6 1/4% Cumulative,
Convertible Preferred Stock, Series B, are outstanding, validly issued, fully
paid and nonassessable. No shares of Sovereign Common Stock were issued in
violation of any preemptive rights. Sovereign has no Rights authorized, issued
or outstanding, other than (i) the Sovereign Stock Purchase Rights, (ii) options
to acquire 2,342,047 shares of Sovereign Common Stock authorized under
Sovereign's employee benefit plans, stock option plans, non-employee directors
compensation plan, employee stock ownership plan, employee stock purchase plan
and, dividend reinvestment and stock purchase plan, (iii) capital securities
issued by Sovereign Capital Trust I, and (iv) the deemed rights to acquire
Sovereign Stock possessed by holders of the common stock of ML Bancorp, Inc.
under the Agreement and Plan of
 
                                      A-17
<PAGE>

Merger between Sovereign and ML Bancorp, Inc. dated September 18, 1997,
contingent upon completion of the transactions contemplated thereby. As of
September 30, 1997, Sovereign had approximately 10,500 shareholders of record.
 
     (b) To the best of Sovereign's knowledge, except as disclosed in
Sovereign's proxy statement dated March 19, 1997, no person or "group" (as that
term is used in Section 13(d)(3) of the Exchange Act) is the beneficial owner
(as defined in Section 13(d) of the Exchange Act) of 5% or more of the
outstanding shares of Sovereign Common Stock.
 
     (c) Sovereign owns all of the capital stock of Sovereign Bank, free and
clear of any lien or encumbrance. Except for the Sovereign Subsidiaries,
Sovereign does not possess, directly or indirectly, any material equity interest
in any corporation, except for equity interests held in the investment
portfolios of Sovereign Subsidiaries, equity interests held by Sovereign
Subsidiaries in a fiduciary capacity, and equity interests held in connection
with the commercial loan activities of Sovereign Subsidiaries. Set forth on the
Sovereign Disclosure Schedule is a list of all Sovereign Subsidiaries.
 
     Section 3.03 Authority; No Violation.
 
     (a) Sovereign has full corporate power and authority to execute and deliver
this Agreement and to consummate the transactions contemplated hereby. Sovereign
Bank has full corporate power and authority to execute and deliver the Bank Plan
of Merger and to consummate the Bank Merger. The execution and delivery of this
Agreement by Sovereign and the completion by Sovereign of the transactions
contemplated hereby have been duly and validly approved by the Board of
Directors of Sovereign and, except for approval of the shareholders of Sovereign
under Nasdaq requirements applicable to it, no other corporate proceedings on
the part of Sovereign are necessary to complete the transactions contemplated
hereby. This Agreement has been duly and validly executed and delivered by
Sovereign and, subject to approval by the shareholders of Sovereign under Nasdaq
requirements applicable to it and receipt of the required approvals of
Regulatory Authorities described in Section 3.04 hereof, constitutes the valid
and binding obligation of Sovereign, enforceable against Sovereign in accordance
with its terms, subject to applicable bankruptcy, insolvency and similar laws
affecting creditors' rights generally and subject, as to enforceability, to
general principles of equity. The Bank Plan of Merger, upon its execution and
delivery by Sovereign Bank concurrently with the execution and delivery of this
Agreement, will constitute the valid and binding obligation of Sovereign Bank,
enforceable against Sovereign Bank in accordance with its terms, subject to
applicable conservatorship and receivership provisions of the FDIA, or
insolvency and similar laws affecting creditors' rights generally and subject,
as to enforceability, to general principles of equity.
 
     (b) (A) The execution and delivery of this Agreement by Sovereign, (B) the
execution and delivery of the Bank Plan of Merger by Sovereign Bank, (C) subject
to receipt of approvals from the Regulatory Authorities referred to in Section
3.04 hereof and Carnegie's and Sovereign's compliance with any conditions
contained therein, the consummation of the transactions contemplated hereby, and
(D) compliance by Sovereign or Sovereign Bank with any of the terms or
provisions hereof or of the Bank Plan of Merger will not (i) conflict with or
result in a breach of any provision of the articles of incorporation or bylaws
of Sovereign or any Sovereign Subsidiary or the charter and bylaws of Sovereign
Bank; (ii) violate any statute, code, ordinance, rule, regulation, judgment,
order, writ, decree or injunction applicable to Sovereign or any Sovereign
Subsidiary or any of their respective properties or assets; or (iii) violate,
conflict with, result in a breach of any provisions of, constitute a default (or
an event which, with notice or lapse of time, or both, would constitute a
default), under, result in the termination of, accelerate the performance
required by, or result in a right of termination or acceleration or the creation
of any lien, security interest, charge or other encumbrance upon any of the
properties or assets of Sovereign or Sovereign Bank under, any of the terms,
conditions or provisions of any note, bond, mortgage, indenture, deed of trust,
license, lease, agreement or other investment or obligation to which Sovereign
or Sovereign Bank is a party, or by which they or any of their respective
properties or assets may be bound or affected, except for such violations,
conflicts, breaches or defaults under clause (ii) or (iii) hereof which, either
individually or in the aggregate, will not have a Material Adverse Effect on
Sovereign.
 
                                      A-18
<PAGE>

     Section 3.04 Consents.  Except for consents, approvals, filings and
registrations from or with the OTS, the FRB, the PDS, the NJSOS, the SEC, the
NJDB and state "blue sky" authorities, and compliance with any conditions
contained therein, and the approval of this Agreement by the shareholders of
Sovereign in accordance with Nasdaq requirements applicable to it, and the
approval of the Bank Plan of Merger by Sovereign as sole shareholder of
Sovereign Bank under the FDIA, and by the Sovereign Bank Board of Directors, no
consents or approvals of, or filings or registrations with, any public body or
authority are necessary, and no consents or approvals of any third parties are
necessary, or will be, in connection with (a) the execution and delivery of this
Agreement by Sovereign or the Bank Plan of Merger by Sovereign Bank, and (b) the
completion by Sovereign of the transactions contemplated hereby or by Sovereign
Bank of the Bank Merger. Sovereign has no reason to believe that (i) any
required consents or approvals will not be received or will be received with
conditions, limitations or restrictions unacceptable to it or which would
adversely impact Sovereign's ability to complete the transactions contemplated
by this Agreement or that (ii) any public body or authority, the consent or
approval of which is not required or any filing with which is not required, will
object to the completion of the transactions contemplated by this Agreement.
 
     Section 3.05 Financial Statements.
 
     (a) Sovereign has previously delivered, or will deliver, to Carnegie the
Sovereign Financials. The Sovereign Financials have been, or will be, prepared
in accordance with generally accepted accounting principles and practices and
fairly present, or will fairly present, the consolidated financial position,
results of operations and cash flows of Sovereign as of and for the periods
ending on the dates thereof, in accordance with generally accepted accounting
principles. Sovereign will make the Sovereign Regulatory Reports available to
Carnegie for inspection.
 
     (b) At the date of each balance sheet included in the Sovereign Financials,
Sovereign did not have any liabilities, obligations or loss contingencies of any
nature (whether absolute, accrued, contingent or otherwise) of a type required
to be reflected in such Sovereign Financials or in the footnotes thereto which
are not fully reflected or reserved against therein or disclosed in a footnote
thereto, except for liabilities, obligations or loss contingencies which are not
material in the aggregate and which are incurred in the ordinary course of
business, consistent with past practice, and except for liabilities, obligations
or loss contingencies which are within the subject matter of a specific
representation and warranty herein and subject, in the case of any unaudited
statements, to normal recurring audit adjustments and the absence of footnotes.
 
     Section 3.06 Taxes.  Sovereign and the Sovereign Subsidiaries are members
of the same affiliated group within the meaning of IRC Section 1504(a).
Sovereign has duly filed, and will file, all federal, state and local tax
returns required to be filed by or with respect to Sovereign and all Sovereign
Subsidiaries on or prior to the Closing Date (all such returns being accurate
and correct in all material respects) and has duly paid or will pay, or made or
will make, provisions for the payment of all federal, state and local taxes
which have been incurred by or are due or claimed to be due from Sovereign and
any Sovereign Subsidiary by any taxing authority or pursuant to any tax sharing
agreement or arrangement (written or oral) on or prior to the Closing Date other
than taxes which (i) are not delinquent or (ii) are being contested in good
faith.
 
     Section 3.07 No Material Adverse Effect.  Sovereign has not suffered any
Material Adverse Effect since December 31, 1996.
 
     Section 3.08 Ownership of Property; Insurance Coverage.
 
     (a) Sovereign and the Sovereign Subsidiaries have good and, as to real
property, marketable title to all assets and properties owned by Sovereign or
any of its Subsidiaries in the conduct of their businesses, whether such assets
and properties are real or personal, tangible or intangible, including assets
and property reflected in the balance sheets contained in the Sovereign
Financials or acquired subsequent thereto (except to the extent that such assets
and properties have been disposed of for fair value, in the ordinary course of
business, since the date of such balance sheets), subject to no encumbrances,
liens, mortgages, security interests or pledges, except (i) those items that
secure
 
                                      A-19
<PAGE>

liabilities for borrowed money and that are described in the Sovereign
Disclosure Schedule or permitted under Article IV hereof, and (ii) statutory
liens for amounts not yet delinquent or which are being contested in good faith.
Sovereign and the Sovereign Subsidiaries, as lessee, have the right under valid
and subsisting leases of real and personal properties used by Sovereign and its
Subsidiaries in the conduct of their businesses to occupy and use all such
properties as presently occupied and used by each of them.
 
     (b) Sovereign and the Sovereign Subsidiaries currently maintain insurance
in amounts considered by Sovereign to be reasonable for their respective
operations, and such insurance is similar in scope and coverage to that
maintained by other businesses similarly engaged. Neither Sovereign nor any
Sovereign Subsidiary has received notice from any insurance carrier that (i)
such insurance will be cancelled or that coverage thereunder will be reduced or
eliminated or (ii) premium costs with respect to such insurance will be
substantially increased. There are presently no material claims pending under
such policies of insurance and no notices have been given by Sovereign or
Sovereign Bank under such policies. All such insurance is valid and enforceable
and in full force and effect, and within the last three years Sovereign has
received each type of insurance coverage for which it has applied and during
such periods has not been denied indemnification for any material claims
submitted under any of its insurance policies.
 
     Section 3.09 Legal Proceedings.  Neither Sovereign nor any Sovereign
Subsidiary is a party to any, and there are no pending or, to the best of
Sovereign's knowledge, threatened legal, administrative, arbitration or other
proceedings, claims, actions or governmental investigations or inquiries of any
nature (i) against Sovereign or any Sovereign Subsidiary, (ii) to which
Sovereign's or any Sovereign Subsidiary's assets are or may be subject, (iii)
challenging the validity or propriety of any of the transactions contemplated by
this Agreement, or (iv) which could adversely affect the ability of Sovereign to
perform under this Agreement, except for any proceedings, claims, actions,
investigations or inquiries referred to in clauses (i) or (ii) which,
individually or in the aggregate, could not be reasonably expected to have a
Material Adverse Effect.
 
     Section 3.10 Compliance With Applicable Law.
 
     (a) Sovereign and the Sovereign Subsidiaries hold all licenses, franchises,
permits and authorizations necessary for the lawful conduct of their businesses
under, and have complied in all material respects with, applicable laws,
statutes, orders, rules or regulations of any federal, state or local
governmental authority relating to them, other than where such failure to hold
or such noncompliance will neither result in a limitation in any material
respect on the conduct of their businesses nor otherwise have a Material Adverse
Effect on the assets, business, financial condition, business prospects or
results of operations of Sovereign and its Subsidiaries taken as a whole.
 
     (b) Neither Sovereign nor any Sovereign Subsidiary has received any
notification or communication from any Regulatory Authority (i) asserting that
Sovereign or any Sovereign Subsidiary is not in compliance with any of the
statutes, regulations or ordinances which such Regulatory Authority enforces;
(ii) threatening to revoke any license, franchise, permit or governmental
authorization which is material to Sovereign or any Sovereign Subsidiary; (iii)
requiring or threatening to require Sovereign or any Sovereign Subsidiary, or
indicating that Sovereign or any Sovereign Subsidiary may be required, to enter
into a cease and desist order, agreement or memorandum of understanding or any
other agreement restricting or limiting, or purporting to restrict or limit, in
any manner the operations of Sovereign or any Sovereign Subsidiary, including
without limitation any restriction on the payment of dividends; or (iv)
directing, restricting or limiting, or purporting to direct, restrict or limit,
in any manner the operations of Sovereign or any Sovereign Subsidiary, including
without limitation any restriction on the payment of dividends (any such notice,
communication, memorandum, agreement or order described in this sentence is
hereinafter referred to as a "Regulatory Agreement"). Neither Sovereign nor any
Sovereign Subsidiary has consented to or entered into any Regulatory Agreement,
except as heretofore disclosed to Carnegie.
 
     Section 3.11 Information to be Supplied.  The information to be supplied by
Sovereign for inclusion in the Registration Statement (including the
Prospectus/Proxy Statement) will not, at the time
 
                                      A-20
<PAGE>

the Registration Statement is declared effective pursuant to the Securities Act,
contain any untrue statement of a material fact or omit to state any material
fact necessary in order to make the statements therein not misleading. The
information supplied, or to be supplied, by Sovereign for inclusion in the
Applications will, at the time such documents are filed with any Regulatory
Authority, be accurate in all material aspects.
 
     Section 3.12 ERISA.  Sovereign has previously made available to Carnegie
true and complete copies of the employee pension benefit plans within the
meaning of ERISA Section 3(2), including profit sharing plans, deferred
compensation and supplemental income plans, supplemental executive retirement
plans, stock purchase plans, annual or long-term incentive plans, group
insurance plans, all other employee welfare benefit plans within the meaning of
ERISA Section 3(1) (including short-term disability, long-term disability, and
medical plans), vacation pay and sick leave policies or arrangements and all
other employee benefit plans, policies, agreements and arrangements, all of
which are set forth or described on the Sovereign Disclosure Schedule,
maintained or contributed to for the benefit of the employees or former
employees (including eligible retired employees) and any beneficiaries thereof
or directors or former directors of Sovereign or any Sovereign Subsidiary,
together with (i) the most recent actuarial (if any) and financial statements
relating to those plans which constitute "qualified plans" under IRC Section
401(a), (ii) the most recent annual reports, if any, relating to such plans
filed by them, respectively, with any government agency, and (iii) all rulings
and determination letters, if any, which pertain to any such plans. Neither
Sovereign nor any Sovereign Subsidiary which is required to be aggregated with
Sovereign under IRC Section 414, and no pension plan maintained by Sovereign or
any Sovereign Subsidiary, has incurred, directly or indirectly, within the past
six (6) years any liability under Title IV of ERISA (including to the Pension
Benefit Guaranty Corporation) or to the IRS with respect to any pension plan
qualified under IRC Section 401(a) which liability has resulted in or will
result in a Material Adverse Effect with respect to Sovereign, except
liabilities to the Pension Benefit Guaranty Corporation pursuant to ERISA
Section 4007, all of which have been fully paid, nor has any reportable event
under ERISA Section 4043 occurred with respect to any such pension plan. With
respect to each of such plans that is subject to Title IV of ERISA, the present
value of the accrued benefits under such plan, determined on an "ongoing basis"
and not a "termination basis," using the actuarial assumptions used for funding
purposes in the plan's most recent actuarial report did not, as of its latest
valuation date, exceed the then current value of the assets of such plan
allocable to such accrued benefits. Neither Sovereign nor any Sovereign
Subsidiary has incurred, or is subject to any liability under ERISA Section 4201
for, a complete or partial withdrawal from a multi-employer plan. All "employee
benefit plans," as defined in ERISA Section 3(3), maintained or sponsored by
Sovereign or any Sovereign Subsidiary comply, and in the past six (6) years have
complied, in all material respects with (i) relevant provisions of ERISA, and
(ii) in the case of plans intended to qualify for favorable income tax
treatment, provisions of the IRC relevant to such treatment. No prohibited
transaction (which shall mean any transaction prohibited by ERISA Section 406
and not exempt under ERISA Section 408 or any transaction prohibited under IRC
Section 4975(c) and not exempt under IRC Section 4975(d)) has occurred within
the past six (6) years with respect to any employee benefit plan maintained by
Sovereign or any Sovereign Subsidiary that would result in the imposition,
directly or indirectly, of tax under IRC Section 4975 or other penalty under
ERISA, which individually or in the aggregate, has resulted in or will result in
a Material Adverse Effect with respect to Sovereign. Sovereign and the Sovereign
Subsidiaries have provided continuation coverage under group health plans for
separating employees in accordance with the provisions of IRC Section 4980B(f).
To the knowledge of Sovereign, such group health plans are in material
compliance with Section 1862(b)(1) of the Social Security Act.
 
     Section 3.13 Securities Documents.  Sovereign has delivered, or will
deliver, to Carnegie copies of its (i) annual reports on SEC Form 10-K for the
years ended December 31, 1996, 1995, and 1994, (ii) quarterly reports on SEC
Form 10-Q for the quarters ended March 31, 1997, June 30, 1997 and September 30,
1997, (iii) current reports on SEC Form 8-K filed during 1997, (iv) proxy
statement dated March 19, 1997 used in connection with its annual meeting of
shareholders held in April 1997 and (iv) any other Securities Documents
reasonably requested by Carnegie. Such reports and such
 
                                      A-21
<PAGE>

proxy materials complied, at the time filed with the SEC, in all material
respects, with the Exchange Act and the applicable rules and regulations of the
SEC.
 
     Section 3.14 Environmental Matters.  To the knowledge of Sovereign, neither
Sovereign nor any Sovereign Subsidiary, nor any properties owned or operated by
Sovereign or any Sovereign Subsidiary has been or is in violation of or liable
under any Environmental Law which violation or liability, individually or in the
aggregate, resulted in or will result in a Material Adverse Effect with respect
to Sovereign. There are no actions, suits or proceedings, or demands, claims,
notices or investigations (including without limitation notices, demand letters
or requests for information from any environmental agency) instituted or
pending, or to the knowledge of Sovereign, threatened, relating to the liability
of any property owned or operated by Sovereign or any Sovereign Subsidiary under
any Environmental Law.
 
     Section 3.15 Loan Portfolio.  The allowance for loan losses reflected, and
to be reflected, in the Sovereign Regulatory Reports, and shown, and to be
shown, on the balance sheets contained in the Sovereign Financials have been,
and will be, established in accordance with the requirements of generally
accepted accounting principles and all applicable regulatory criteria.
 
     Section 3.16 Brokers and Finders.  Neither Sovereign nor any Sovereign
Subsidiary, nor any of their respective officers, directors, employees or
agents, has employed any broker, finder or financial advisor, or incurred any
liability for any fees or commissions to any such person, in connection with the
transactions contemplated by this Agreement.
 
     Section 3.17 Loans.  Each loan reflected as an asset in the Sovereign
Financial Statements (i) is evidenced by notes, agreements or other evidences of
indebtedness which are true, genuine and correct (ii) to the extent secured, has
been secured by valid liens and security interests which have been perfected,
and (ii) is the legal, valid and binding obligation of the obligor named
therein, enforceable in accordance with its terms, subject to bankruptcy,
insolvency, fraudulent conveyance and other laws of general applicability
relating to or affecting creditors' rights and to general equity principles, in
each case other than loans as to which the failure to satisfy the foregoing
standards would not have a Material Adverse Effect on Sovereign.
 
     Section 3.18 Shares of Sovereign Common Stock.  The shares of Sovereign
Common Stock to be issued to holders of shares of Carnegie Common Stock pursuant
to the Merger, shall, upon effectiveness of the Merger, be duly and validly
issued and fully paid and non-assessable and free from all taxes, liens and
charges.
 
     Section 3.19 Quality of Representations.  The representations made by
Sovereign in this Agreement are true, correct and complete in all material
respects and do not omit statements necessary to make the representations not
misleading under the circumstances.
 
                                   ARTICLE IV
                            COVENANTS OF THE PARTIES
 
     Section 4.01 Conduct of Carnegie's Business.
 
     (a) From the date of this Agreement to the Closing Date, Carnegie and each
Carnegie Subsidiary will conduct its business and engage in transactions,
including extensions of credit, only in the ordinary course and consistent with
past practice and policies, except as otherwise required by this Agreement or
with the written consent of Sovereign. Carnegie will use its best efforts, and
will cause Carnegie Bank to use its best efforts, to (i) preserve its business
organizations intact, (ii) maintain good relationships with employees, and (iii)
preserve for itself the good will of customers of Carnegie and Carnegie
Subsidiaries and others with whom business relationships exist. From the date
hereof to the Closing Date, except as otherwise consented to or approved by
Sovereign in writing or as permitted or required by this Agreement, Carnegie
will not, and Carnegie will not permit any Carnegie Subsidiary to:
 
                                      A-22
<PAGE>

          (i) amend or change any provision of its certificate or articles of
     incorporation, charter, or bylaws;
 
          (ii) change the number of authorized or issued shares of its capital
     stock or issue or grant any option, warrant, call, commitment,
     subscription, Right or agreement of any character relating to its
     authorized or issued capital stock or any securities convertible into
     shares of such stock, or split, combine or reclassify any shares of capital
     stock, or declare, set aside or pay any dividend or other distribution in
     respect of capital stock, or redeem or otherwise acquire any shares of
     capital stock, except that (A) Carnegie may issue shares of Carnegie Common
     Stock upon the valid exercise, subject to the terms of the letter agreement
     attached hereto as Exhibit 1, of presently outstanding options to acquire
     Carnegie Common Stock under the Carnegie Stock Option Plans and (B)
     Carnegie may pay a regular quarterly cash dividend, not to exceed $.14 per
     share of Carnegie Common Stock outstanding. As promptly as practicable
     following the date of this Agreement, the Board of Directors of Carnegie
     shall cause its regular quarterly dividend record dates and payment dates
     to be the same as Sovereign's regular quarterly dividend record dates and
     payment dates for Sovereign Common Stock, and Carnegie shall not change its
     regular dividend payment dates and record dates without prior written
     consent of Sovereign. Nothing contained in this Section 4.01(ii) or in any
     other Section of this Agreement shall be construed to permit Carnegie
     shareholders to receive two dividends either from Carnegie or from Carnegie
     and Sovereign in any quarter or to deny or prohibit them from receiving one
     dividend from Carnegie or Sovereign in any quarter. Subject to applicable
     regulatory restrictions, if any, Carnegie Bank may pay a cash dividend, in
     the aggregate, sufficient to fund any dividend by Carnegie permitted
     hereunder;
 
          (iii) grant any severance or termination pay (other than pursuant to
     written policies or written agreements of Carnegie or Carnegie Subsidiaries
     in effect on the date hereof, included on the Disclosure Schedule, and
     provided to Sovereign prior to the date hereof) to, or enter into any new
     or amend any existing employment agreement with, or increase the
     compensation of, any employee, officer or director of Carnegie or any
     Carnegie Subsidiary, except for routine periodic increases, individually
     and in the aggregate, in accordance with past practice;
 
          (iv) merge or consolidate Carnegie or any Carnegie Subsidiary with any
     other corporation; sell or lease all or any substantial portion of the
     assets or business of Carnegie or any Carnegie Subsidiary; make any
     acquisition of all or any substantial portion of the business or assets of
     any other person, firm, association, corporation or business organization
     other than in connection with the collection of any loan or credit
     arrangement between any Carnegie Subsidiary and any other person; enter
     into a purchase and assumption transaction with respect to deposits and
     liabilities; permit the revocation or surrender by any Carnegie Subsidiary
     of its certificate of authority to maintain, or file an application for the
     relocation of, any existing branch office, or file an application for a
     certificate of authority to establish a new branch office;
 
          (v) sell or otherwise dispose of the capital stock of Carnegie Bank or
     sell or otherwise dispose of any asset of Carnegie or of any Carnegie
     Subsidiary other than in the ordinary course of business consistent with
     past practice; subject any asset of Carnegie or of any Carnegie Subsidiary
     to a lien, pledge, security interest or other encumbrance (other than in
     connection with deposits, repurchase agreements, bankers acceptances,
     "treasury tax and loan" accounts established in the ordinary course of
     business and transactions in "federal funds" and the satisfaction of legal
     requirements in the exercise of trust powers) other than in the ordinary
     course of business consistent with past practice; incur any indebtedness
     for borrowed money (or guarantee any indebtedness for borrowed money),
     except in the ordinary course of business consistent with past practice;
 
          (vi) take any action which would result in any of the representations
     and warranties of Carnegie set forth in this Agreement becoming untrue as
     of any date after the date hereof or in any of the conditions set forth in
     Article V hereof not being satisfied;
 
                                      A-23
<PAGE>

          (vii) change any method, practice or principle of accounting, except
     as may be required from time to time by GAAP (without regard to any
     optional early adoption date) or any Regulatory Authority responsible for
     regulating Carnegie or Carnegie Bank;
 
          (viii) waive, release, grant or transfer any rights of value or modify
     or change in any material respect any existing material agreement to which
     Carnegie or any Carnegie Subsidiary is a party, other than in the ordinary
     course of business, consistent with past practice;
 
          (ix) implement any pension, retirement, profit sharing, bonus, welfare
     benefit or similar plan or arrangement that was not in effect on the date
     of this Agreement, or materially amend any existing plan or arrangement
     except as permitted by Section 1.02(f) or to the extent such amendments do
     not result in an increase in cost;
 
          (x) purchase any security for its investment portfolio not rated "A"
     or higher by either Standard & Poor's Corporation or Moody's Investor
     Services, Inc.;
 
          (xi) make any new loan or other credit facility commitment (including
     without limitation, lines of credit and letters of credit) to any borrower
     or group of affiliated borrowers in excess of $1,000,000 in the aggregate,
     or increase, compromise, extend, renew or modify any existing loan or
     commitment outstanding in excess of $1,000,000, except for any commitment
     disclosed on the Carnegie Disclosure Schedule; provided that Sovereign will
     not unreasonably withhold its consent with respect to any request by
     Carnegie for permission to increase, compromise, extend, renew or modify
     any loan subject to this provision;
 
          (xii) except as set forth on the Carnegie Disclosure Schedule, enter
     into, renew, extend or modify any other transaction with any Affiliate;
 
          (xiii) enter into any interest rate swap or similar commitment,
     agreement or arrangement;
 
          (xiv) except for the execution of this Agreement, take any action that
     would give rise to a right of payment to any individual under any
     employment agreement;
 
          (xv) intentionally and knowingly take any action that would preclude
     satisfaction of the condition to closing contained in Section 5.02(k)
     relating to financial accounting treatment of the Merger; or
 
          (xvi) agree to do any of the foregoing.
 
     For purposes of this Section 4.01, it shall not be considered in the
ordinary course of business for Carnegie or any Carnegie Subsidiary to do any of
the following: (i) make any capital expenditure of $100,000 or more not
disclosed on Carnegie Disclosure Schedule 4.01, without the prior written
consent of Sovereign; (ii) make any sale, assignment, transfer, pledge,
hypothecation or other disposition of any assets having a book or market value,
whichever is greater, in the aggregate in excess of $1,000,000, other than
pledges of assets to secure government deposits, to exercise trust powers, sales
of assets received in satisfaction of debts previously contracted in the normal
course of business, issuance of loans, or transactions in the investment
securities portfolio by Carnegie or a Carnegie Subsidiary or repurchase
agreements made, in each case, in the ordinary course of business; or (iii)
undertake or enter any lease, contract or other commitment for its account,
other than in the normal course of providing credit to customers as part of its
banking business, involving a payment by Carnegie or any Carnegie Subsidiary of
more than $50,000 annually, or containing a material financial commitment and
extending beyond 12 months from the date hereof.
 
     Section 4.02 Access; Confidentiality.
 
     (a) From the date of this Agreement through the Closing Date, Carnegie or
Sovereign, as the case may be, shall afford to, and shall cause each Carnegie
Subsidiary or Sovereign Subsidiary to afford to, the other party and its
authorized agents and representatives, complete access to their respective
properties, assets, books and records and personnel, at reasonable hours and
after reasonable notice; and the officers of Carnegie and Sovereign will furnish
any person making such investigation on behalf of the other party with such
financial and operating data and other information with respect to the
 
                                      A-24
<PAGE>

businesses, properties, assets, books and records and personnel as the person
making such investigation shall from time to time reasonably request.
 
     (b) Carnegie and Sovereign each agree to conduct such investigation and
discussions hereunder in a manner so as not to interfere unreasonably with
normal operations and customer and employee relationships of the other party.
 
     (c) In addition to the access permitted by subparagraph (a) above, from the
date of this Agreement through the Closing Date, Carnegie shall permit employees
of Sovereign reasonable access to and participation in matters relating to
problem loans, loan restructurings and loan work-outs of Carnegie and the
Carnegie Subsidiaries in an individual amount in excess of $250,000, provided
that nothing contained in this subparagraph shall be construed to grant
Sovereign or any Sovereign employee any final decision-making authority with
respect to such matters. Sovereign shall have the right, however, at Sovereign's
expense, to cause Carnegie or any Carnegie Subsidiary to obtain an appraisal by
an independent third party experienced in such matters, and mutually
satisfactory to Sovereign and Carnegie, of the assets or property securing any
loan made by Carnegie or any Carnegie Subsidiary.
 
     (d) If the transactions contemplated by this Agreement shall not be
consummated, Carnegie and Sovereign will each destroy or return all documents
and records obtained from the other party or its representatives, during the
course of its investigation and will cause all information with respect to the
other party obtained pursuant to this Agreement or preliminarily thereto to be
kept confidential, except to the extent such information becomes public through
no fault of the party to whom the information was provided or any of its
representatives or agents and except to the extent disclosure of any such
information is legally required. Carnegie and Sovereign shall each give prompt
notice to the other party of any contemplated disclosure where such disclosure
is so legally required.
 
     Section 4.03 Regulatory Matters and Consents.
 
     (a) Sovereign and Carnegie will prepare all Applications and make all
filings for, and use their best efforts to obtain as promptly as practicable
after the date hereof, all necessary permits, consents, approvals, waivers and
authorizations of all Regulatory Authorities necessary or advisable to
consummate the transactions contemplated by this Agreement.
 
     (b) Carnegie will furnish Sovereign with all information concerning
Carnegie and Carnegie Subsidiaries as may be necessary or advisable in
connection with any Application or filing made by or on behalf of Sovereign to
any Regulatory Authority in connection with the transactions contemplated by
this Agreement.
 
     (c) Sovereign will promptly furnish Carnegie with copies of all material
written communications to, or received by Sovereign or any Sovereign Subsidiary
from, any Regulatory Authority in respect of the transactions contemplated
hereby, except information which is filed by Sovereign which is designated as
confidential or contains an earnings projection.
 
     (d) Sovereign will furnish Carnegie with (i) copies of all Applications
prior to filing with any Regulatory Authority and provide Carnegie a reasonable
opportunity to suggest changes to such Applications, which suggested changes
Sovereign may, in its reasonable discretion accept or reject, (ii) copies of all
Applications filed by Sovereign and (iii) copies of all documents filed by
Sovereign under the Securities Exchange Act of 1934, as amended.
 
     (e) Carnegie will cooperate with Sovereign in the foregoing matters and
will furnish Sovereign with all information concerning Carnegie and Carnegie
Subsidiaries as may be necessary or advisable in connection with any Application
or filing (including the Registration Statement and any report filed with the
SEC) made by or on behalf of Sovereign to any Regulatory Authority in connection
with the transactions contemplated by this Agreement, and such information will
be accurate and complete in all material respects. In connection therewith,
Carnegie will provide certificates and other documents reasonably requested by
Sovereign.
 
                                      A-25
<PAGE>

     Section 4.04 Taking of Necessary Action.
 
     (a) Sovereign and Carnegie shall each use its best efforts in good faith,
and each of them shall cause its Subsidiaries to use their best efforts in good
faith, to (i) furnish such information as may be required in connection with the
preparation of the documents referred to in Section 4.03 of this Agreement, and
(ii) take or cause to be taken all action necessary or desirable on its part
using its best efforts so as to permit completion of the Merger and the Bank
Merger including, without limitation, (A) obtaining the consent or approval of
each individual, partnership, corporation, association or other business or
professional entity whose consent or approval is required or desirable for
consummation of the transactions contemplated hereby (including assignment of
leases without any change in terms), provided that neither Carnegie nor any
Carnegie Subsidiary shall agree to make any payments or modifications to
agreements in connection therewith without the prior written consent of
Sovereign, and (B) requesting the delivery of appropriate opinions, consents and
letters from its counsel and independent auditors. No party hereto shall take,
or cause, or to the best of its ability permit to be taken, any action that
would substantially impair the prospects of completing the Merger and the Bank
Merger pursuant to this Agreement and the Bank Plan of Merger; provided that
nothing herein contained shall preclude Sovereign or Carnegie or from exercising
its rights under this Agreement or the Option Agreement.
 
     (b) Carnegie and Sovereign shall promptly prepare a Prospectus/Proxy
Statement to be mailed to shareholders of Carnegie in connection with the
meeting of its shareholders and transactions contemplated hereby, and to be
filed by Sovereign with the SEC in the Registration Statement, which
Prospectus/Proxy statement shall conform to all applicable legal requirements.
Sovereign shall, as promptly as practicable following the preparation thereof,
file the Registration Statement with the SEC and Carnegie and Sovereign shall
use all reasonable efforts to have the Registration Statement declared effective
under the Securities Act as promptly as practicable after such filing. Sovereign
will advise Carnegie, promptly after Sovereign receives notice thereof, of the
time when the Registration Statement has become effective or any supplement or
amendment has been filed, of the issuance of any stop order or the suspension of
the qualification of the shares of capital stock issuable pursuant to the
Registration Statement, or the initiation or threat of any proceeding for any
such purpose, or of any request by the SEC for the amendment or supplement of
the Registration Statement or for additional information. Sovereign shall use
its best efforts to obtain, prior to the effective date of the Registration
Statement, all necessary state securities laws or "Blue Sky" permits and
approvals required to carry out the transactions contemplated by this Agreement.
Sovereign will provide Carnegie with as many copies of such Registration
Statement and all amendments thereto promptly upon the filing thereof as
Carnegie may reasonably request.
 
     Section 4.05 Certain Agreements.
 
     (a) In the event of any threatened or actual claim, action, suit,
proceeding or investigation, whether civil, criminal or administrative, in which
any person who is now, or has been at any time prior to the date of this
Agreement, or who becomes prior to the Effective Date, a director or officer or
employee of Carnegie or any of its Subsidiaries (the "Indemnified Parties") is,
or is threatened to be, made a party to a suit based in whole or in part on, or
arising in whole or in part out of, or pertaining to (i) the fact that he is or
was a director, officer or employee of Carnegie, any of the Carnegie's
Subsidiaries or any of their respective predecessors or (ii) this Agreement or
any of the transactions contemplated hereby, whether in any case asserted or
arising before or after the Effective Date, the parties hereto agree to
cooperate and use their best efforts to defend against and respond thereto to
the extent permitted by the NJBCA and the Articles of Incorporation and Bylaws
of Carnegie. On or after the Effective Date, Sovereign shall indemnify, defend
and hold harmless all prior and then-existing directors and officers of Carnegie
and Carnegie Bank, against (i) all losses, claims, damages, costs, expenses,
liabilities or judgments or amounts that are paid in settlement (with the
approval of Sovereign which approval shall not be unreasonably withheld) of or
in connection with any claim, action, suit, proceeding or investigation based in
whole or in part on or arising in whole or in part out of the fact that such
person is or was a director, officer or employee of Carnegie or any Carnegie
Subsidiary, whether pertaining to any matter existing or occurring at or prior
to the Effective Date and
 
                                      A-26
<PAGE>

whether asserted or claimed prior to, or at or after, the Effective Date
("Indemnified Liabilities") and (ii) all Indemnified Liabilities based in whole
or in part on, or arising in whole or in part out of, or pertaining to this
Agreement or the transactions contemplated hereby, to the same extent as such
officer, director or employee may be indemnified by Carnegie or Carnegie Bank as
of the date hereof including the right to advancement of expenses, provided,
however, that any such officer, director or employee of Carnegie or Carnegie
Bank may not be indemnified by Sovereign and/or Sovereign Bank if such
indemnification is prohibited by applicable law. Sovereign further agrees to
advance to Indemnified Parties expenses incurred by such Indemnified Parties in
defending against any Indemnified Liabilities claims to the fullest extent
permitted by applicable law.
 
     (b) Sovereign shall maintain Carnegie's existing directors' and officers'
liability insurance policy (or a policy providing comparable coverage amounts on
terms generally no less favorable, including Sovereign's existing policy if it
meets the foregoing standard) covering persons who are currently covered by such
insurance for a period of six years after the Effective Date; provided, however,
that in no event shall Sovereign be obligated to expend, in order to maintain or
provide insurance coverage pursuant to this Section 4.05(b), any amount per
annum in excess of 150% of the amount of the annual premiums paid as of the date
hereof by Carnegie for such insurance (the "Maximum Amount"). If the amount of
the annual premiums necessary to maintain or procure such insurance coverage
exceeds the Maximum Amount, Sovereign shall notify each covered insured and
nonetheless maintain the most advantageous policies of directors' and officers'
insurance obtainable for an annual premium equal to the Maximum Amount. In the
event that Sovereign acts as its own insurer for all of its directors and
officers with respect to matters typically covered by a directors' and officers'
liability insurance policy, Sovereign's obligations under this Section 4.05(b)
may be satisfied by such self insurance, so long as its senior debt ratings by
Standard & Poor's Corporation and Moody's Investors Services, Inc. are not lower
than such ratings as of the date hereof.
 
     (c) Sovereign agrees to honor and Sovereign agrees to cause Sovereign Bank
to honor all terms and conditions of all existing employment contracts disclosed
in the Carnegie Disclosure Schedule.
 
     Section 4.06 No Other Bids and Related Matters.
 
     (a) So long as this Agreement remains in Effect, Carnegie shall not, nor
shall it permit any Carnegie Subsidiary or any other Affiliate of Carnegie or
any officer, director or employee of any of them, or any investment banker,
attorney, accountant or other representative retained by Carnegie, any Carnegie
Subsidiary or any other Carnegie Affiliate to, directly or indirectly, solicit,
encourage, initiate or engage in discussions or negotiations with, or respond to
requests for information, inquiries, or other communications from, any person
other than Sovereign concerning the fact of, or the terms and conditions of,
this Agreement, or concerning any acquisition of Carnegie, any Carnegie
Subsidiary, or any assets or business thereof (except that Carnegie's officers
may respond to inquiries from analysts, Regulatory Authorities and holders of
Carnegie Common Stock in the ordinary course of business). Carnegie shall notify
Sovereign immediately if (i) any such discussions or negotiations are sought to
be initiated with Carnegie by any person other than Sovereign, or (ii) if any
such requests for information, inquiries, proposals or communications are
received from any person other than Sovereign, or analysts, Regulatory
Authorities and holders of Carnegie Common Stock in the ordinary course of
business.
 
     (b) Notwithstanding the foregoing, Carnegie, after written notice to
Sovereign, may respond to unsolicited inquiries from third parties if the
fiduciary duty of the individuals set forth in the first sentence of Section
4.06(a) legally requires them to do so and they are so advised in a written
opinion of counsel.
 
     Section 4.07 Duty to Advise; Duty to Update Carnegie's Disclosure
Schedule.  Carnegie shall promptly advise Sovereign of any change or event
having a Material Adverse Effect on it or on any Carnegie Subsidiary or which it
believes would or would be reasonably likely to cause or constitute a material
breach of any of its representations, warranties or covenants set forth herein.
Carnegie shall update Carnegie's Disclosure Schedule as promptly as practicable
after the occurrence of an event or fact which, if such event or fact had
occurred prior to the date of this Agreement, would have been disclosed in the
Carnegie Disclosure Schedule. The delivery of such updated Schedule shall not
relieve
 
                                      A-27
<PAGE>

Carnegie from any breach or violation of this Agreement and shall not have any
effect for the purposes of determining the satisfaction of the condition set
forth in Sections 5.02(c) hereof.
 
     Section 4.08 Conduct of Sovereign's Business.  From the date of this
Agreement to the Closing Date, Sovereign will use its best efforts to (x)
preserve its business organizations intact, (y) maintain good relationships with
employees, and (z) preserve for itself the goodwill of customers of Sovereign
and Sovereign Subsidiaries and others with whom business relationships exist.
 
     Section 4.09 Board and Committee Minutes.  Carnegie shall provide to
Sovereign, within 30 days after any meeting of the Board of Directors of
Carnegie or any Carnegie Subsidiary, or any committee thereof, or any senior
management committee, a copy of the minutes of such meeting, except that with
respect to any meeting held within 30 days of the Closing Date, such minutes
shall be provided to Sovereign prior to the Closing Date.
 
     Section 4.10 Undertakings by Sovereign and Carnegie.
 
     (a) From and after the date of this Agreement, Carnegie shall:
 
          (i) Voting by Directors.  Subject to the fiduciary duties of officers
     and directors of Carnegie imposed by applicable law, recommend to all
     members of Carnegie's Board of Directors to vote all shares of Carnegie's
     Common Stock beneficially owned by each such director in favor of this
     Agreement;
 
          (ii) Shareholder Meeting.  Submit this Agreement to its shareholders
     for approval at a meeting to be held as soon as practicable, and subject to
     the fiduciary duties of officers and directors of Carnegie imposed by
     applicable law, use its best efforts to cause its Board of Director to
     unanimously recommend approval of this Agreement to its shareholders;
 
          (iii) Phase I Environmental Audit.  Permit Sovereign, if Sovereign
     elects to do so, at its own expense, to cause a "phase I environmental
     audit" to be performed at any physical location owned or occupied by
     Carnegie or any Carnegie Subsidiary on the date hereof;
 
          (iv) Approval of Bank Plan of Merger.  Approve the Bank Plan of Merger
     as sole shareholder of Carnegie Bank and obtain the approval of, and cause
     the execution and delivery of, the Bank Plan of Merger by Carnegie Bank;
 
          (v) Proxy Solicitor.  If Sovereign requests and agrees to bear the
     expense thereof, retain a proxy solicitor in connection with the
     solicitation of Carnegie shareholder approval of this Agreement;
 
          (vi) Timely Review.  If requested by Sovereign at Sovereign's sole
     expense, cause its independent certified public accountants to perform a
     review of its unaudited consolidated financial statements as of the end of
     any calendar quarter, in accordance with Statement of Auditing Standards
     No. 36, and to issue their report on such financial statements as soon as
     is practicable thereafter;
 
          (vii) Outside Service Bureau Contracts.  If requested to do so by
     Sovereign, use its best efforts to obtain an extension of any contract with
     an outside service bureau or other vendor of services to Carnegie or any
     Carnegie Subsidiary, on terms and conditions mutually acceptable to
     Carnegie and Sovereign;
 
          (viii) Committee Meetings.  Permit a representative of Sovereign, who
     is reasonably acceptable to Carnegie, to attend all committee meetings of
     Carnegie and Carnegie Bank management including, without limitation, any
     loan or asset/liability committee. Carnegie shall respond reasonably and in
     good faith to any request of Sovereign to permit a representative of
     Sovereign, who is reasonably acceptable to Carnegie, to attend any meeting
     of Carnegie's Board of Directors or the Executive Committee thereof;
     provided, however, that the failure of a representative of Sovereign to
     attend any such committee or Board meeting shall not impair the right or
     ability of such committee or Board to conduct and take actions pursuant to
     such meetings;
 
                                      A-28
<PAGE>

          (ix) Reserves and Merger-Related Costs.  On or before the Effective
     Date, consistent with generally accepted accounting principles establish
     such additional accruals and reserves as may be necessary to conform the
     accounting reserve practices and methods (including credit loss practices
     and methods) of Carnegie to those of Sovereign (as such practices and
     methods are to be applied to Carnegie from and after the Closing Date) and
     Sovereign's plans with respect to the conduct of the business of Carnegie
     following the Merger and otherwise to reflect Merger-related expenses and
     costs incurred by Carnegie, provided, however, that Carnegie shall not be
     required to take such action (A) more than two days prior to the Effective
     Date; and (B) unless Sovereign agrees in writing that all conditions to
     closing set forth in Section 5.02 have been satisfied or waived (except for
     the expiration of any applicable waiting periods); prior to the delivery by
     Sovereign of the writing referred to in the preceding clause, Carnegie
     shall provide Sovereign a written statement, certified without personal
     liability by the chief executive officer of Carnegie and dated the date of
     such writing, that the representation made in Section 2.15 hereof is true
     as of such date or, alternatively, setting forth in detail the
     circumstances that prevent such representation from being true as of such
     date; and no accrual or reserve made by Carnegie or any Carnegie Subsidiary
     pursuant to this subsection, or any litigation or regulatory proceeding
     arising out of any such accrual or reserve, shall (i) constitute or be
     deemed to be a breach or violation of any representation, warranty,
     covenant, condition or other provision of this Agreement or to constitute a
     termination event within the meaning of Section 6.01(d) hereof or (ii) be
     taken into account in the calculation of bonuses payable to any officers of
     Carnegie or Carnegie Subsidiaries.
 
     (b) From and after the date of this Agreement, Sovereign and Carnegie shall
each:
 
          (i) Filings and Approvals.  Cooperate with the other in the
     preparation and filing, as soon as practicable, of (A) the Applications,
     (B) the Registration Statement and related filings under state securities
     laws covering the Sovereign Common Stock and related Sovereign Stock
     Purchase Rights to be issued pursuant to the Merger, (C) all other
     documents necessary to obtain any other approvals and consents required to
     effect the completion of the Merger and the Bank Merger, and (D) all other
     documents contemplated by this Agreement;
 
          (ii) Identification of Carnegie's Affiliates.  Cooperate with the
     other and use its best efforts to identify those persons who may be deemed
     to be Affiliates of Carnegie;
 
          (iii) Public Announcements.  Cooperate and cause its respective
     officers, directors, employees and agents to cooperate in good faith,
     consistent with their respective legal obligations, in the preparation and
     distribution of, and agree upon the form and substance of, any press
     release related to this Agreement and the transactions contemplated hereby,
     and any other public disclosures related thereto, including without
     limitation communications to Carnegie shareholders, Carnegie's internal
     announcements and customer disclosures, but nothing contained herein shall
     prohibit either party from making any disclosure which its counsel deems
     necessary;
 
          (iv) Maintenance of Insurance.  Maintain, and cause their respective
     Subsidiaries to maintain, insurance in such amounts as are reasonable to
     cover such risks as are customary in relation to the character and location
     of its properties and the nature of its business;
 
          (v) Maintenance of Books and Records.  Maintain, and cause their
     respective Subsidiaries to maintain, books of account and records in
     accordance with generally accepted accounting principles applied on a basis
     consistent with those principles used in preparing the financial statements
     heretofore delivered;
 
          (vi) Delivery of Securities Documents.  Deliver to the other, copies
     of all Securities Documents simultaneously with the filing thereof;
 
          (vii) Taxes.  File all federal, state, and local tax returns required
     to be filed by them or their respective Subsidiaries on or before the date
     such returns are due (including any extensions) and pay all taxes shown to
     be due on such returns on or before the date such payment is due; or
 
                                      A-29
<PAGE>

     Section 4.11 Employee Benefits and Termination Benefits.
 
     (a) Employee Benefits.  On and after the Effective Date, the employee
pension and welfare benefit plans of Sovereign and Carnegie may, at Sovereign's
election and subject to the requirements of the IRC, including the distribution
rules of ERISA, continue to be maintained separately or consolidated, provided,
however, that Carnegie employees shall receive benefits at least as favorable,
in the aggregate, as the benefits to which they were entitled as of the date of
this Agreement. In the event of a consolidation of any or all of such plans or
in the event of termination of the Carnegie benefit plans, Carnegie and Carnegie
Bank employees shall receive credit for all service with Carnegie or Carnegie
Bank under Sovereign's pension and 401(k) plans, but not under Sovereign's
Employee Stock Ownership Plan, for purposes of eligibility and vesting
determination. In the event of any termination of or consolidation of any
Carnegie or Carnegie Bank health plan with any Sovereign health plan, all
employees of Carnegie or Carnegie Bank who were eligible for coverage under the
terminated plan shall have coverage under any successor health plan with
protection for any pre-existing condition. In the event of a termination or
consolidation of any Carnegie or Carnegie Bank health plan, terminated Carnegie
or Carnegie Bank employees will have the right to continue coverage under group
health plans of Sovereign and/or the Sovereign Subsidiaries in accordance with
IRC Section 4980B(f).
 
     (b) Termination Benefits.  Carnegie shall cause to be delivered to
Sovereign concurrently with the execution of this Agreement with respect to each
individual named on the Benefits Schedule included in the Carnegie Disclosure
Schedule, the written acknowledgment of each such individual in the form
attached hereto as Exhibit 4 pursuant to which each such individual agrees and
acknowledges that the dollar amount set forth opposite such individual's name on
such Benefits Schedule is the entire amount that would be due to such individual
under any employment agreement, special termination agreement, supplemental
executive retirement plan, deferred bonus plan, deferred compensation plan,
salary continuation plan, or any other pension benefit or welfare benefit plan,
policy or arrangement maintained by Carnegie solely for the benefit of officers
of Carnegie or Carnegie Subsidiaries assuming (i) a termination of such
individual's employment on June 30, 1998, and (ii) the occurrence of a "change
in control" of Carnegie, as such term or concept may be defined in any relevant
document. Carnegie and Sovereign acknowledge and agree that the amounts shown on
the Benefits Schedule and the letter of acknowledgement for each officer named
herein reflect a good faith estimate of the amounts that will be payable to such
individuals under the circumstances described and may be subject to adjustment
upon an actual termination of employment in order to reflect increases in such
individuals' compensation and benefit plans consistent with past practices of
Carnegie and Carnegie Bank for routine periodic increases in benefits under such
plans, policies or arrangements.
 
     (c) Severance Policy.  Sovereign agrees to cause Sovereign Bank to provide
employees of Carnegie Bank whose employment is terminated in connection with the
Merger within three (3) months of the Effective Date, either because such
employee's position is eliminated or such employee is not offered comparable
employment (i.e., not offered employment for a position of generally similar job
description or responsibilities in a location within thirty (30) miles from an
employee's work location), excluding any employee who has an existing employment
or consulting agreement or whose employment is terminated for Cause (as defined
below), as follows, provided such employees execute such documentation as
Sovereign may reasonably require, including Sovereign's customary form of
release: (i) employees with a title of vice president or higher and employees
with five (5) or more years of service shall be entitled to two weeks of base
salary as severance pay for each year of service with Carnegie or Carnegie Bank,
with a two-week minimum; (ii) employees with a title lower than vice president
(other than employees with five (5) or more years of service) shall be entitled
to one week of base salary as severance pay for each year of service with
Carnegie or Carnegie Bank, with a one-week minimum; and (iii) Richard Rosa shall
be entitled to six months of base salary as severance pay and any additional
benefits set forth on the Carnegie Disclosure Schedule. For purposes of this
Section 4.11(c), "Cause" shall mean termination because of the employee's
personal dishonesty, failure to meet established performance goals, willful
misconduct, breach of fiduciary duty involving personal profit, intentional
failure to perform stated duties or willful violation of any law, rule or
regulation
 
                                      A-30
<PAGE>

(other than traffic violations or similar offenses). The benefits provided to
terminated Carnegie and Carnegie Bank employees under this subsection are the
only severance benefits payable by Carnegie or Carnegie Bank under any plan or
policy (excluding severance benefits provided under existing employment or
consulting agreements or as otherwise required by law), except for employees who
do not execute the documentation required by Sovereign, which employees shall be
entitled to the termination benefits provided under Carnegie Bank's severance
policies. The benefits payable to Carnegie employees under this subsection or
otherwise shall in any event be in lieu of any termination benefits to which
such employees would otherwise be entitled under Sovereign's or Sovereign Bank's
severance policies or programs then in effect.
 
     (d) Intention Regarding Future Employment.  Within ninety (90) days of the
date hereof, Sovereign and Sovereign Bank shall use their reasonable best
efforts to inform the employees of Carnegie and Carnegie Bank of the likelihood
of such employees having continued employment with Sovereign Bank following the
Effective Date and, where appropriate, shall use their reasonable best efforts
to interview the Carnegie and Carnegie Bank employees to determine if there are
mutually beneficial employment opportunities available at Sovereign Bank.
 
     Section 4.12 Duty to Advise; Duty to Update Sovereign's Disclosure
Schedule.  Sovereign shall promptly advise Carnegie of any change or event
having a Material Adverse Effect on it or on any Sovereign Subsidiary or which
it believes would or would be reasonably likely to cause or constitute a
material breach of any of its representations, warranties or covenants set forth
herein. Sovereign shall update Sovereign's Disclosure Schedule as promptly as
practicable after the occurrence of an event or fact which, if such event or
fact had occurred prior to the date of this Agreement, would have been disclosed
in the Sovereign Disclosure Schedule. The delivery of such updated Schedule
shall not relieve Sovereign from any breach or violation of this Agreement and
shall not have any effect for the purposes of determining the satisfaction of
the condition set forth in Sections 5.01(c) hereof.
 
     Section 4.13 Affiliate Letter.  No later than five days after the date of
this Agreement, Carnegie shall cause to be delivered to Sovereign the Letter
Agreement attached hereto as Exhibit 1, executed by each director and officer
set forth thereon.
 
                                   ARTICLE V
                                   CONDITIONS
 
     Section 5.01 Conditions to Carnegie's Obligations under this
Agreement.  The obligations of Carnegie hereunder shall be subject to
satisfaction at or prior to the Closing Date of each of the following
conditions, unless waived by Carnegie pursuant to Section 7.03 hereof:
 
     (a) Corporate Proceedings.  All action required to be taken by, or on the
part of, Sovereign and Sovereign Bank to authorize the execution, delivery and
performance of this Agreement and the Bank Plan of Merger, respectively, and the
consummation of the transactions contemplated by this Agreement and the Bank
Plan of Merger, shall have been duly and validly taken by Sovereign and
Sovereign Bank; and Carnegie shall have received certified copies of the
resolutions evidencing such authorizations;
 
     (b) Covenants.  The obligations and covenants of Sovereign required by this
Agreement to be performed by Sovereign at or prior to the Closing Date shall
have been duly performed and complied with in all respects, except where the
failure to perform or comply with any obligation or covenant would not, either
individually or in the aggregate, result in a Material Adverse Effect with
respect to Sovereign;
 
     (c) Representations and Warranties.  The representations and warranties of
Sovereign set forth in this Agreement shall be true and correct, as of the date
of this Agreement, and as of the Closing Date as though made on and as of the
Closing Date, except as to any representation or warranty (i) which specifically
relates to an earlier date or (ii) where the breach of the representation or
warranty would not, either individually or in the aggregate, constitute a
Material Adverse Effect with respect to Sovereign;
 
                                      A-31
<PAGE>

     (d) Approvals of Regulatory Authorities.  Sovereign shall have received all
required approvals of Regulatory Authorities of the Merger, and delivered copies
thereof to Carnegie; and all notice and waiting periods required thereunder
shall have expired or been terminated;
 
     (e) No Injunction.  There shall not be in effect any order, decree or
injunction of a court or agency of competent jurisdiction which enjoins or
prohibits consummation of the transactions contemplated hereby;
 
     (f) No Material Adverse Effect.  Since December 31, 1996, there shall not
have occurred any Material Adverse Effect with respect to Sovereign;
 
     (g) Officer's Certificate.  Sovereign shall have delivered to Carnegie a
certificate, dated the Closing Date and signed, without personal liability, by
its chairman or president, to the effect that the conditions set forth in
subsections (a) through (e) of this Section 5.01 have been satisfied, to the
best knowledge of the officer executing the same;
 
     (h) Opinion of Sovereign's Counsel.  Carnegie shall have received an
opinion of Stevens & Lee, counsel to Sovereign, dated the Closing Date, in form
and substance reasonably satisfactory to Carnegie and its counsel to the effect
set forth on Exhibit 5 attached hereto;
 
     (i) Registration Statement.  The Registration Statement shall be effective
under the Securities Act and no proceedings shall be pending or threatened by
the SEC to suspend the effectiveness of the Registration Statement; and all
required approvals by state securities or "blue sky" authorities with respect to
the transactions contemplated by this Agreement, shall have been obtained;
 
     (j) Tax Opinion.  Carnegie shall have received an opinion of Stevens & Lee,
substantially to the effect set forth on Exhibit 6 attached hereto;
 
     (k) Approval of Carnegie's Shareholders.  This Agreement shall have been
approved by the shareholders of Carnegie by such vote as is required under
Carnegie's articles of incorporation and bylaws or under Nasdaq requirements
applicable to it; and
 
     (l) Investment Banking Opinion.  Carnegie shall have received an oral
opinion from JMS on or before the date of this Agreement and updated in writing
as of a date within five (5) days of mailing the Prospectus/Proxy Statement, to
the effect that the terms of the Merger are fair, from a financial point of
view, to the shareholders of Carnegie.
 
     Section 5.02 Conditions to Sovereign's Obligations under this
Agreement.  The obligations of Sovereign hereunder shall be subject to
satisfaction at or prior to the Closing Date of each of the following
conditions, unless waived by Sovereign pursuant to Section 7.03 hereof:
 
     (a) Corporate Proceedings.  All action required to be taken by, or on the
part of, Carnegie and Carnegie Bank to authorize the execution, delivery and
performance of this Agreement and the Bank Plan of Merger, respectively, and the
consummation of the transactions contemplated by this Agreement and the Bank
Plan of Merger, shall have been duly and validly taken by Carnegie and Carnegie
Bank; and Sovereign shall have received certified copies of the resolutions
evidencing such authorizations;
 
     (b) Covenants.  The obligations and covenants of Carnegie, required by this
Agreement to be performed by it at or prior to the Closing Date shall have been
duly performed and complied with in all respects, except where the failure to
perform or comply with any obligation or covenant would not, either individually
or in the aggregate, result in a Material Adverse Effect with respect to
Carnegie;
 
     (c) Representations and Warranties.  The representations and warranties of
Carnegie set forth in this Agreement shall be true and correct as of the date of
this Agreement, and as of the Closing Date as though made on and as of the
Closing Date, except as to any representation or warranty (i) which specifically
relates to an earlier date or (ii) where the breach of the representation or
warranty would not, either individually or in the aggregate, result in a
Material Adverse Effect with respect to Carnegie;
 
                                      A-32
<PAGE>

     (d) Approvals of Regulatory Authorities.  Sovereign shall have received all
required approvals of Regulatory Authorities for the Merger, without the
imposition of any term or condition that would have a Material Adverse Effect on
Sovereign upon completion of the Merger; and all notice and waiting periods
required thereunder shall have expired or been terminated;
 
     (e) No Injunction.  There shall not be in effect any order, decree or
injunction of a court or agency of competent jurisdiction which enjoins or
prohibits consummation of the transactions contemplated hereby;
 
     (f) No Material Adverse Effect.  Since December 31, 1996, there shall not
have occurred any Material Adverse Effect with respect to Carnegie.
 
     (g) Officer's Certificate.  Carnegie shall have delivered to Sovereign a
certificate, dated the Closing Date and signed, without personal liability, by
its chairman of the board or president, to the effect that the conditions set
forth in subsections (a) through (e) of this Section 5.02 have been satisfied,
to the best knowledge of the officer executing the same;
 
     (h) Opinions of Carnegie's Counsel.  Sovereign shall have received an
opinion of McCarter & English, counsel to Carnegie, dated the Closing Date, in
form and substance reasonably satisfactory to Sovereign and its counsel
substantially to the effect set forth on Exhibit 7 attached hereto;
 
     (i) Registration Statement.  The Registration Statement shall be effective
under the Securities Act and no proceedings shall be pending or threatened by
the SEC to suspend the effectiveness of the Registration Statement; and all
required approvals by state securities or "blue sky" authorities with respect to
the transactions contemplated by this Agreement, shall have been obtained;
 
     (j) Tax Opinion.  Sovereign shall have received an opinion of Stevens &
Lee, its counsel, substantially to the effect set forth on Exhibit 6 attached
hereto;
 
     (k) Pooling Letter.  Sovereign shall have received an opinion from Ernst &
Young to the effect that the Merger will be treated as a "pooling of interests"
for financial accounting purposes;
 
     (l) Phase I Environmental Audit Results.  The results of any "phase I
environmental audit" conducted pursuant to Section 4.11(a)(ii) with respect to
owned or occupied bank premises shall not, individually or in the aggregate,
constitute a Material Adverse Effect; provided, however, that (i) any such
environmental audit must be initiated within 45 days of the date of this
Agreement, and (ii) Sovereign must elect to terminate this Agreement or waive
its right to terminate the Agreement under this Section 5.02(l) within 15 days
of receiving the results of such environmental audit; and
 
     (m) Third Party Consents.  Carnegie shall have obtained any required
consents from third parties under any real property leases which are material to
the conduct by Carnegie and its Subsidiaries of their respective businesses with
respect to the transactions contemplated by this Agreement.
 
                                      A-33
<PAGE>

                                   ARTICLE VI
                       TERMINATION, WAIVER AND AMENDMENT
 
     Section 6.01 Termination.  This Agreement may be terminated on or at any
time prior to the Closing Date:
 
     (a) by the mutual written consent of the parties hereto;
 
     (b) by Sovereign or Carnegie:
 
          (i) if the Closing Date shall not have occurred on or before September
     30, 1998, unless the failure of such occurrence shall be due to the failure
     of the party seeking to terminate this Agreement to perform or observe its
     agreements set forth in this Agreement required to be performed or observed
     by such party on or before the Closing Date; or
 
          (ii) if either party has been informed in writing by a Regulatory
     Authority whose approval or consent has been requested that such approval
     or consent is unlikely to be granted, unless the failure of such occurrence
     shall be due to the failure of the party seeking to terminate this
     Agreement to perform or observe its agreements set forth herein required to
     be performed or observed by such party on or before the Closing Date; or
 
     (c) by Carnegie, on the Closing Date if both of the following conditions
are satisfied:
 
          (1) the Sovereign Market Value as of the close of business on the
     Determination Date shall be less than $14.47; and
 
          (2) (i) the quotient obtained by dividing the Sovereign Market Value
     as of the close of business on the Determination Date by $19.29 (such
     number being referred to herein as the "Sovereign Ratio") shall be less
     than (ii) the quotient obtained by dividing the Index Price on the
     Determination Date by the Index Price on the Starting Date and subtracting
     0.15 from the quotient in this clause (2)(ii);
 
subject, however, to the following: If Carnegie shall elect to terminate this
Agreement pursuant to this Section 6.01(c), it shall give written notice thereof
to Sovereign on the Closing Date; but provided further, that Sovereign shall
have the option to elect to increase the Exchange Ratio to equal the quotient
obtained by dividing $28.53 by the Sovereign Market Value determined as of the
close of business on the Determination Date, whereupon no termination shall have
occurred pursuant to this Section 6.01(c) and this Agreement shall remain in
effect in accordance with its terms (except as the Exchange Ratio shall have
been so modified), and any references in this Agreement to "Exchange Ratio"
shall thereafter be deemed to refer to the Exchange Ratio as adjusted pursuant
to this Section 6.01(c).
 
     For purposes of this Section 6.01(c), the following terms shall have the
meanings indicated.
 
     "Determination Date" shall mean the date immediately preceding the Closing
Date.
 
     "Index Group" shall mean the nine thrift holding companies listed below,
the common stocks of all of which shall be publicly traded and as to which there
shall not have been, since the Starting Date and before the Determination Date,
any public announcement of a proposal for such company to be acquired or for
such company to acquire another company or companies in transactions with a
value exceeding 25% of the acquiror's market capitalization. In the event that
any such company or companies are removed from the Index Group, the weights
(which have been determined based upon the number of shares of outstanding
common stock) redistributed proportionately for purposes of determining the
Index Price. The nine thrift holding companies and the weights attributed to
them are as follows:
 
                                      A-34
<PAGE>
 
<TABLE>
<CAPTION>
THRIFT HOLDING COMPANIES                                   % WEIGHTING
- ------------------------                                   -----------
<S>                                                        <C>
Dime Bancorp, Inc........................................        27.67%
Charter One Financial....................................        14.87%
Golden State Bancorp.....................................        11.75%
Washington Federal, Inc..................................        11.07%
GreenPoint Financial Corp................................         9.86%
Bank United Corp.........................................         6.62%
Peoples Heritage Finl Group..............................         6.41%
Astoria Financial Corporation............................         6.15%
Long Island Bancorp, Inc.................................         5.60%
                                                             ---------
     Total...............................................       100.00%
                                                             =========
</TABLE>
 
     "Index Price" on a given date shall mean the weighted average (weighted in
accordance with the factors listed above) of the closing sales prices of the
companies composing the Index Group (reported as provided with respect to the
Sovereign Market Value).
 
     "Starting Date" shall mean December 11, 1997.
 
     If any company belonging to the Index Group or Sovereign declares or
effects a stock dividend, reclassification, recapitalization, split-up,
combination, exchange of shares, or similar transaction between the Starting
Date and the Determination Date, the prices for the common stock of such company
or Sovereign shall be appropriately adjusted for the purposes of applying this
Section 6.01(c); or
 
     (d) at any time on or prior to the Effective Date, by Carnegie in writing
if Sovereign has, or by Sovereign in writing if Carnegie has, in any material
respect, breached (i) any material covenant or undertaking contained herein or
(ii) any representation or warranty contained herein, which in the case of a
breach by Sovereign would have a Material Adverse Effect on Sovereign and in the
case of a breach by Carnegie would have a Material Adverse Effect on Carnegie,
in any case if such breach has not been substantially cured by the earlier of 30
days after the date on which written notice of such breach is given to the party
committing such breach or the Effective Date or if on such date such breach no
longer causes a Material Adverse Effect.
 
     Section 6.02 Effect of Termination.  If this Agreement is terminated
pursuant to Section 6.01 hereof, this Agreement shall forthwith become void
(other than Section 4.02(d), Section 4.10(b)(iii) and Section 7.01 hereof, which
shall remain in full force and effect), and there shall be no further liability
on the part of Sovereign or Carnegie to the other, except for any liability
arising out of any uncured willful breach of any covenant or other agreement
contained in this Agreement or any fraudulent breach of a representation or
warranty.
 
                                  ARTICLE VII
                                 MISCELLANEOUS
 
     Section 7.01 Expenses.  Except for the cost of printing and mailing the
Proxy Statement/Prospectus which shall be shared equally, each party hereto
shall bear and pay all costs and expenses incurred by it in connection with the
transactions contemplated hereby, including fees and expenses of its own
financial consultants, accountants and counsel.
 
     Section 7.02 Non-Survival of Representations and Warranties.  All
representations, warranties and, except to the extent specifically provided
otherwise herein, agreements and covenants, other than those covenants set forth
in Sections 1.02(d)(i) and (iii), 1.02(g), 4.05, and 4.11(a) and (c) which will
survive the Merger, shall terminate on the Closing Date; provided, however, that
the covenants contained in Sections 4.11(a) and (c) shall survive the Merger
only for a period of one (1) year.
 
     Section 7.03 Amendment, Extension and Waiver.  Subject to applicable law,
at any time prior to the consummation of the transactions contemplated by this
Agreement, the parties may (a) amend this
 
                                      A-35
<PAGE>

Agreement, (b) extend the time for the performance of any of the obligations or
other acts of either party hereto, (c) waive any inaccuracies in the
representations and warranties contained herein or in any document delivered
pursuant hereto, or (d) waive compliance with any of the agreements or
conditions contained in Articles IV and V hereof or otherwise. This Agreement
may not be amended except by an instrument in writing authorized by the
respective Boards of Directors and signed, by duly authorized officers, on
behalf of the parties hereto. Any agreement on the part of a party hereto to any
extension or waiver shall be valid only if set forth in an instrument in writing
signed by a duly authorized officer on behalf of such party, but such waiver or
failure to insist on strict compliance with such obligation, covenant, agreement
or condition shall not operate as a waiver of, or estoppel with respect to, any
subsequent or other failure.
 
     Section 7.04 Entire Agreement.  This Agreement, including the documents and
other writings referred to herein or delivered pursuant hereto, contains the
entire agreement and understanding of the parties with respect to its subject
matter. This Agreement supersedes all prior arrangements and understandings
between the parties, both written or oral with respect to its subject matter
other than any agreement pertaining to confidentiality or nondisclosure. This
Agreement shall inure to the benefit of and be binding upon the parties hereto
and their respective successors; provided, however, that nothing in this
Agreement, expressed or implied, is intended to confer upon any party, other
than the parties hereto and their respective successors, any rights, remedies,
obligations or liabilities other than pursuant to Sections 1.02(d)(i) and (iii),
1.02(g), 4.05, and 4.11(a) and (c) with respect to indemnification, employee
benefits and certain other matters, and provided, further, that any such rights,
remedies, obligations or liabilities conferred pursuant to Sections 4.11(a) and
(c) shall terminate and expire one (1) year from the Effective Date.
 
     Section 7.05 No Assignment.  Neither party hereto may assign any of its
rights or obligations hereunder to any other person, without the prior written
consent of the other party hereto.
 
     Section 7.06 Notices.  All notices or other communications hereunder shall
be in writing and shall be deemed given if delivered personally, mailed by
prepaid registered or certified mail (return receipt requested), or sent by
telecopy, addressed as follows:
 
                                  (a) If to Sovereign, to:
                                      Sovereign Bancorp, Inc.
                                      1130 Berkshire Boulevard
                                      Wyomissing, Pennsylvania 19610
 
                                      Attention: Jay S. Sidhu, President and
                                      Chief Executive Officer
 
                                      Telecopy No.: (610) 320-8448
 
                                      with a copy to:
 
                                      Stevens & Lee
                                      111 North Sixth Street
                                      Reading, Pennsylvania 19601
 
                                      Attention: Joseph M. Harenza, Esquire and
                                      David W. Swartz, Esquire
 
                                      Telecopy No.: (610) 376-5610
 
                                      A-36
<PAGE>

                                  (b) If to Carnegie, to:
 
                                      Carnegie Bancorp
                                      619 Alexander Road
                                      Princeton, New Jersey 08540
 
                                      Attention: Thomas L. Gray, Jr.
                                      President and Chief
                                      Executive Officer
 
                                      Telecopy No.: (609) 452-2492
 
                                      with copies to:
 
                                      McCarter & English
                                      Four Gateway Center
                                      100 Mulberry Street
                                      Newark, NJ 07101-0652
 
                                      Attention: Michael M. Horn, Esquire
 
                                      Telecopy No.: (973) 624-7070
 
     Section 7.07 Captions.  The captions contained in this Agreement are for
reference purposes only and are not part of this Agreement.
 
     Section 7.08 Counterparts.  This Agreement may be executed in any number of
counterparts, and each such counterpart shall be deemed to be an original
instrument, but all such counterparts together shall constitute but one
agreement.
 
     Section 7.09 Severability.  If any provision of this Agreement or the
application thereof to any person or circumstance shall be invalid or
unenforceable to any extent, the remainder of this Agreement and the application
of such provisions to other persons or circumstances shall not be affected
thereby and shall be enforced to the greatest extent permitted by law.
 
     Section 7.10 Governing Law.  This Agreement shall be governed by and
construed in accordance with the domestic internal law (including the law of
conflicts of law) of the Commonwealth of Pennsylvania.
 
     IN WITNESS WHEREOF, the parties have caused this Agreement to be executed
by their duly authorized officers as of the day and year first above written.
 
   
                                          SOVEREIGN BANCORP, INC.
    
 
   
                                          By /s/ JAY S. SIDHU
                                             -----------------------------------
                                             Jay S. Sidhu
                                             President and Chief Executive
                                             Officer
    
 
   
                                          CARNEGIE BANCORP
    
 
   
                                          By /s/ THOMAS L. GRAY, JR.
                                             -----------------------------------
                                             Thomas L. Gray, Jr.
                                             President and Chief Executive
                                             Officer
    
 
                                      A-37
<PAGE>

                                                                       EXHIBIT 1
 
                               December 12, 1997
 
Sovereign Bancorp, Inc.
1130 Berkshire Boulevard
Wyomissing, Pennsylvania 19610
 
Ladies and Gentlemen:
 
     Sovereign Bancorp, Inc. ("Sovereign") and Carnegie Bancorp ("Carnegie")
desire to enter into an agreement dated December 12, 1997 ("Agreement"),
pursuant to which, subject to the terms and conditions set forth therein, (a)
Carnegie will merge with and into Sovereign with Sovereign surviving the merger,
and (b) shareholders of Carnegie will receive common stock of Sovereign in
exchange for common stock of Carnegie outstanding on the closing date (the
foregoing, collectively, referred to herein as the "Merger").
 
     Sovereign has required, as a condition to its execution and delivery to
Carnegie of the Agreement, that the undersigned, being directors, executive
officers and major shareholders of Carnegie, execute and deliver to Sovereign
this Letter Agreement.
 
     Each of the undersigned, in order to induce Sovereign to execute and
deliver to Carnegie the Agreement, hereby irrevocably:
 
     (a) Agrees to be present (in person or by proxy) at all meetings of
shareholders of Carnegie called to vote for approval of the Merger so that all
shares of common stock of Carnegie then owned by the undersigned will be counted
for the purpose of determining the presence of a quorum at such meetings and to
vote all such shares (i) in favor of approval and adoption of the Agreement and
the transactions contemplated thereby (including any amendments or modifications
of the terms thereof approved by the Board of Directors of Carnegie), and (ii)
against approval or adoption of any other merger, business combination,
recapitalization, partial liquidation or similar transaction involving Carnegie;
 
     (b) Agrees not to vote or execute any written consent to rescind or amend
in any manner any prior vote or written consent, as a shareholder of Carnegie,
to approve or adopt the Agreement;
 
     (c) Agrees to use reasonable best efforts to cause the Merger to be
consummated, subject to the fiduciary duties of the undersigned under applicable
law;
 
     (d) Agrees not to sell, transfer or otherwise dispose of any common stock
of Carnegie on or prior to the record date for the meeting of Carnegie
shareholders to vote on the Merger;
 
     (e) Except as permitted by Section 4.06 of the Agreement, agrees not to
solicit, initiate or engage in any negotiations or discussions with any party
other than Sovereign with respect to any offer, sale, transfer or other
disposition of, any shares of common stock of Carnegie now or hereafter owned by
the undersigned;
 
     (f) Agrees not to offer, sell, transfer or otherwise dispose of any shares
of common stock of Sovereign received in the Merger, except (i) at such time as
a registration statement under the Securities Act of 1933, as amended
("Securities Act") covering sales of such Sovereign common stock is effective
and a prospectus is made available under the Securities Act, (ii) within the
limits, and in accordance with the applicable provisions of, Rule 145(d) under
the Securities Act, or (iii) in a transaction which, in the opinion of counsel
satisfactory to Sovereign or as described in a "no-action" or interpretive
letter from the staff of the Securities and Exchange Commission ("SEC"), is not
required to be registered under the Securities Act; and acknowledges and agrees
that Sovereign is under no obligation to register the sale, transfer or other
disposition of Sovereign common stock by the undersigned or on behalf of the
undersigned, or to take any other action necessary to make an exemption from
registration available;
 
     (g) Notwithstanding the foregoing, agrees not to sell, or in any other way
reduce the risk of the undersigned relative to, any shares of common stock of
Carnegie or of common stock of Sovereign,
 
                                      A-38
<PAGE>

during the period commencing thirty days prior to the effective date of the
Merger and ending on the date on which financial results covering at least
thirty days of post-Merger combined operations of Sovereign and Carnegie have
been published within the meaning of Section 201.01 of the SEC's Codification of
Financial Reporting Policies;
 
     (h) Agrees that Sovereign shall not be bound by any attempted sale of any
shares of Sovereign common stock, and Sovereign's transfer agent shall be given
an appropriate stop transfer order and shall not be required to register any
such attempted sale, unless the sale has been effected in compliance with the
terms of this Letter Agreement; and further agrees that the certificate
representing shares of Sovereign common stock owned by the undersigned may be
endorsed with a restrictive legend consistent with the terms of this Letter
Agreement;
 
     (i) Acknowledges and agrees that the provisions of subparagraphs (f), (g)
and (h) hereof also apply to shares of Sovereign common stock received in the
Merger (or any shares of Carnegie common stock or of Sovereign common stock,
whether or not received in the Merger, for the period referred to in
subparagraph (g) above) owned by (i) his or her spouse, (ii) any of his or her
relatives or relatives of his or her spouse occupying his or her home, (iii) any
trust or estate in which he or she, his or her spouse, or any such relative owns
at least a 10% beneficial interest or of which any of them serves as trustee,
executor or in any similar capacity, and (iv) any corporation or other
organization in which the undersigned, any affiliate of the undersigned, his or
her spouse, or any such relative owns at least 10% of any class of equity
securities or of the equity interest;
 
     (j) Represents that the undersigned has no plan or intention to sell,
exchange, or otherwise dispose of any shares of common stock of Sovereign to be
received in the Merger prior to expiration of the time period referred to in
subparagraph (g) hereof; and
 
     (k) Represents that the undersigned has the capacity to enter into this
Letter Agreement and that it is a valid and binding obligation enforceable
against the undersigned in accordance with its terms, subject to bankruptcy,
insolvency and other laws affecting creditors' rights and general equitable
principles.
 
     The obligations set forth herein shall terminate concurrently with any
termination of the Agreement.
                         ------------------------------
 
     This Letter Agreement may be executed in two or more counterparts, each of
which shall be deemed to constitute an original, but all of which together shall
constitute one and the same Letter Agreement.
                         ------------------------------
 
     This Letter Agreement shall terminate concurrently with any termination of
the Agreement in accordance with its terms.
                         ------------------------------
 
     The undersigned intend to be legally bound hereby.
 
                                          Sincerely,
 
                                      A-39
<PAGE>

                                                                       EXHIBIT 2
 
                             STOCK OPTION AGREEMENT
 
                                 [See Annex B]
 
                                      A-40
<PAGE>

                                                                       EXHIBIT 3
 
                              BANK PLAN OF MERGER
 
     THIS BANK PLAN OF MERGER ("Plan of Merger") dated December 12, 1997, is by
and between SOVEREIGN BANK, a federal savings bank ("Sovereign Bank"), and
CARNEGIE BANK, N.A., a national bank ("Carnegie Bank").
 
                                   BACKGROUND
 
     1. Sovereign Bank is a federal savings bank and a wholly-owned subsidiary
of Sovereign Bancorp, Inc., a Pennsylvania corporation ("Sovereign"). The
authorized capital stock of Sovereign Bank consists of 1,000 shares of common
stock, par value $1.00 per share ("Sovereign Bank Common Stock"), of which at
the date hereof 1,000 shares are issued and outstanding.
 
     2. Carnegie Bank is a national bank and a wholly-owned subsidiary of
Carnegie Bancorp, a New Jersey corporation ("Carnegie"). The authorized capital
stock of Carnegie Bank consists of 1,000,000 shares of common stock, par value
$5.00 per share ("Carnegie Bank Common Stock"), of which at the date hereof
897,305 shares are issued and outstanding.
 
     3. The respective Boards of Directors of Sovereign Bank and Carnegie Bank
deem the merger of Carnegie Bank with and into Sovereign Bank, pursuant to the
terms and conditions set forth or referred to herein, to be desirable and in the
best interests of the respective corporations and their respective shareholders.
 
     4. The respective Boards of Directors of Sovereign Bank and Carnegie Bank
have adopted resolutions approving this Plan of Merger. The respective Boards of
Directors of Sovereign and Carnegie have adopted resolutions approving an
Agreement and Plan of Merger dated December 12, 1997 (the "Agreement") between
Sovereign and Carnegie, pursuant to which this Plan of Merger is being executed
by Sovereign Bank and Carnegie Bank.
 
                                   AGREEMENT
 
     In consideration of the premises and of the mutual covenants and agreements
herein contained, and in accordance with the applicable laws and regulations of
the United States of America, the Commonwealth of Pennsylvania, and the State of
New Jersey, Sovereign Bank and Carnegie Bank, intending to be legally bound
hereby, agree:
 
                                   ARTICLE I
                                     MERGER
 
     Subject to the terms and conditions of this Plan of Merger and in
accordance with the applicable laws and regulations of the United States of
America, the Commonwealth of Pennsylvania, and the State of New Jersey on the
Effective Date (as that term is defined in Article V hereof): Carnegie Bank
shall merge with and into Sovereign Bank; the separate existence of Carnegie
Bank shall cease; and Sovereign Bank shall be the surviving corporation (such
transaction referred to herein as the "Merger" and Sovereign Bank, as the
surviving corporation in the Merger, referred to herein as the "Surviving
Bank"). Sovereign Bank will have its home office at 1130 Berkshire Boulevard,
Wyomissing, Pennsylvania 19610 and its branch offices at the locations listed on
Exhibit "A."
 
                                      A-41
<PAGE>

                                   ARTICLE II
                               CHARTER AND BYLAWS
 
     On and after the Effective Date, the Charter and Bylaws of Sovereign Bank,
as in effect immediately prior to the Effective Date, shall automatically be and
remain the Charter and Bylaws of the Surviving Bank, until altered, amended or
repealed.
 
                                  ARTICLE III
                        BOARD OF DIRECTORS AND OFFICERS
 
     3.1 Board of Directors.  On and after the Effective Date, the directors of
the Surviving Bank shall consist of the directors of Sovereign Bank duly elected
and holding office immediately prior to the Effective Date. The names and
residence addresses of the directors are:
 
   
<TABLE>
<CAPTION>
NAME                                                      RESIDENCE ADDRESS
- ----                                                      -----------------
<S>                                                <C>
Joseph P. Gemmell............................      [intentionally omitted]
 
Brian Hard...................................      [intentionally omitted]
 
Stewart B. Kean..............................      [intentionally omitted]
 
Joseph E. Lewis..............................      [intentionally omitted]
 
F. Joseph Loeper.............................      [intentionally omitted]
 
Dennis S. Marlo..............................      [intentionally omitted]
 
Richard E. Mohn..............................      [intentionally omitted]
 
Rhoda S. Oberholtzer.........................      [intentionally omitted]
 
Patrick J. Petrone...........................      [intentionally omitted]
 
Daniel K. Rothermel..........................      [intentionally omitted]
 
Elizabeth B. Rothermel.......................      [intentionally omitted]
 
Robert A. Sadler.............................      [intentionally omitted]
 
Jay S. Sidhu.................................      [intentionally omitted]
 
Cameron C. Troilo............................      [intentionally omitted]
 
G. Arthur Weaver.............................      [intentionally omitted]
 
Dr. Paul B. Wieand...........................      [intentionally omitted]
</TABLE>
    
 
                                      A-42
<PAGE>

     3.2 Officers.  On and after the Effective Date, the officers of the
Surviving Bank shall consist of the officers of Sovereign Bank duly elected and
holding office immediately prior to the Effective Date. The names and titles of
the officers are:
 
<TABLE>
<CAPTION>
NAME                                                                TITLE
- ----                                                                -----
<S>                                                <C>
Jay S. Sidhu.................................      President and Chief Executive Officer
Karl D. Gerhart..............................      Treasurer and Chief Financial Officer
Lawrence M. Thompson, Jr.....................      Secretary and Chief Administrative Officer
Dana J. Albera...............................      Assistant Secretary
</TABLE>
 
                                   ARTICLE IV
                              CONVERSION OF SHARES
 
     4.1 Stock of Sovereign Bank.  Each share of Sovereign Bank Common Stock
issued and outstanding immediately prior to the Effective Date shall, on and
after the Effective Date, continue to be issued and outstanding as a share of
common stock of the Surviving Bank.
 
     4.2 Stock of Carnegie Bank.  Each share of Carnegie Bank Common Stock
issued and outstanding immediately prior to the Effective Date, and each share
of Carnegie Bank Common Stock issued and held in the treasury of Carnegie as of
the Effective Date, if any, shall, on the Effective Date, be cancelled, and no
cash, stock or other property shall be delivered in exchange therefor.
 
                                   ARTICLE V
                          EFFECTIVE DATE OF THE MERGER
 
     The Merger shall be effective on the date on which all filings with
government agencies, as may be required under applicable laws and regulations
for the Merger to become effective, are made and accepted by the applicable
agencies (the "Effective Date").
 
                                   ARTICLE VI
                              EFFECT OF THE MERGER
 
     6.1 Separate Existence.  On the Effective Date: the separate existence of
Carnegie Bank shall cease; and all of the property (real, personal and mixed),
rights, powers, duties and obligations of Carnegie Bank shall be taken and
deemed to be transferred to and vested in the Surviving Bank, without further
act or deed, as provided by applicable laws and regulations.
 
     6.2 Savings Accounts.  After the Effective Date, Sovereign Bank will
continue to issue savings accounts on the same basis as immediately prior to the
Effective Date.
 
     6.3 Liquidation Account.  After the Effective Date, Sovereign Bank will
continue to maintain the Sovereign Bank liquidation account for the benefit of
eligible account holders on the same basis as immediately prior to the Effective
Date.
 
                                  ARTICLE VII
                              CONDITIONS PRECEDENT
 
     The obligations of Sovereign Bank and Carnegie Bank to effect the Merger
shall be subject to satisfaction, unless duly waived by the party permitted to
do so, of the conditions precedent set forth in the Agreement.
 
                                      A-43
<PAGE>

                                  ARTICLE VIII
                                  TERMINATION
 
     This Plan of Merger shall terminate upon any termination of the Agreement
in accordance with its terms; provided, however, that any such termination of
this Plan of Merger shall not relieve any party hereto from liability on account
of a breach by such party of any of the terms hereof or thereof.
 
                                   ARTICLE IX
                                   AMENDMENT
 
     Subject to applicable law, this Plan of Merger may be amended, by action of
the respective Boards of Directors of the parties hereto, at any time prior to
consummation of the Merger, but only by an instrument in writing signed by duly
authorized officers on behalf of the parties hereto.
 
                                   ARTICLE X
                                 MISCELLANEOUS
 
     10.1 Extensions; Waivers.  Each party, by a written instrument signed by a
duly authorized officer, may extend the time for the performance of any of the
obligations or other acts of the other party hereto and may waive compliance
with any of the covenants, or performance of any of the obligations, of the
other party contained in this Plan of Merger.
 
     10.2 Notices.  Any notice or other communication required or permitted
under this Plan of Merger shall be given, and shall be effective, in accordance
with the provisions of Section 7.06 of the Agreement.
 
     10.3 Captions.  The headings of the several Articles and Sections herein
are inserted for convenience of reference only and are not intended to be part
of, or to affect the meaning or interpretation of, this Plan of Merger.
 
     10.4 Counterparts.  For the convenience of the parties hereto, this Plan of
Merger may be executed in several counterparts, each of which shall be deemed
the original, but all of which together shall constitute one and the same
instrument.
 
     10.5 Governing Law.  This Plan of Merger shall be governed by and construed
in accordance with the laws of the United States of America and, in the absence
of controlling Federal law, in accordance with the laws of the Commonwealth of
Pennsylvania.
 
     IN WITNESS WHEREOF, Sovereign Bank and Carnegie Bank have caused this Bank
Plan of Merger to be executed by their duly authorized officers and their
corporate seals to be hereunto affixed on the date first written above.
 
                                          SOVEREIGN BANK
 
                                          By ___________________________________
                                             Jay S. Sidhu
                                             President
 
                                          CARNEGIE BANK, N.A.
 
                                          By ___________________________________
                                             Thomas L. Gray, Jr.
                                             President and Chief Executive
                                             Officer
 
                                      A-44
<PAGE>

                                  EXHIBIT "A"
                               TO PLAN OF MERGER
 
                                 SOVEREIGN BANK
                                BRANCH LOCATIONS
 
                            [INTENTIONALLY OMITTED.]
 
                                      A-45
<PAGE>

                                                                       EXHIBIT 4
 
                         FORM OF AGREEMENT RE: BENEFITS
 
                               December 12, 1997
 
Sovereign Bancorp, Inc.
1130 Berkshire Boulevard
Wyomissing, Pennsylvania 19610
 
Gentlemen:
 
     I, the undersigned, hereby acknowledge and agree that an amount not to
exceed $_______ is the maximum amount that I would be entitled to receive from
Carnegie, any Carnegie subsidiary or any of their respective successors or
assigns pursuant to any employment agreement, special termination agreement,
supplemental executive retirement plan, deferred compensation plan, salary
continuation plan, or any other benefit or welfare plan assuming that my
employment with Carnegie or any Carnegie subsidiary (or any of their respective
successors or assigns) is terminated for any reason, whether voluntarily or
involuntarily, on June 30, 1998, and following the Closing Date of the
transaction described in the Agreement and Plan of Merger dated as of December
12, 1997 between Sovereign Bancorp, Inc. and Carnegie Bancorp (the "Agreement").
All capitalized terms used herein but not defined herein shall have the meanings
given to them in the Agreement. The amount shown above represents the total of
all amounts available for payment in an immediate lump sum upon termination and
the present value, as of June 30, 1998 (based on a 6% per annum discount factor)
of all payments to be made on a date or dates subsequent to the date of
termination.
 
     This letter is subject to the acknowledgement and agreement of Sovereign
Bancorp, Inc., as evidenced below, that the amount shown above reflects a good
faith estimate of the amounts that will be payable to me in the event of my
termination of employment on or after the Closing Date, as defined in the
Agreement, and may be subject to adjustment upon an actual termination of my
employment to reflect increases in my compensation and benefits due to the
passage of time or in accordance with the terms of Carnegie's employee benefit
plans and past practices for routine increases. Sovereign agrees to make all
such required payments in accordance with the terms of the applicable agreement
or plan.
 
                                          Sincerely,
 
                                          Acknowledged and Agreed to:
 
                                          SOVEREIGN BANCORP, INC.
 
                                          By ___________________________________
 
                                          Title ________________________________
 
                                      A-46
<PAGE>

                                                                       EXHIBIT 5
 
                    FORM OF OPINION OF COUNSEL TO SOVEREIGN
 
     Carnegie shall have received from counsel to Sovereign, an opinion, dated
as of the Closing Date, substantially to the effect that, subject to normal
exceptions and qualifications:
 
     (a) Sovereign and Sovereign Bank have full corporate power to carry out the
transactions contemplated in the Agreement and the Plan of Merger, respectively.
The execution and delivery of the Agreement and the Plan of Merger and the
consummation of the transactions contemplated thereunder have been duly and
validly authorized by all necessary corporate action on the part of Sovereign
and Sovereign Bank, and the Agreement and the Plan constitute valid and legally
binding obligations of Sovereign and Sovereign Bank, respectively, except as may
be limited by bankruptcy, insolvency, reorganization, moratorium, receivership,
conservatorship, and other laws affecting creditors' rights generally and
institutions the deposits of which are insured by the FDIC, and as may be
limited by the exercise of judicial discretion in applying principles of equity.
Subject to satisfaction of the conditions set forth in the Agreement, neither
the transactions contemplated in the Agreement or the Plan, nor compliance by
Sovereign and Sovereign Bank with any of the respective provisions thereof, will
(i) conflict with or result in a breach or default under (A) the articles of
incorporation or bylaws of Sovereign or the charter or bylaws of Sovereign Bank,
or, (B) to the knowledge of such counsel, any note, bond, mortgage, indenture,
license, agreement or other material instrument or obligation to which Sovereign
or Sovereign Bank is a party; or (ii) based on certificates of officers and
without independent verification, to the knowledge of such counsel, result in
the creation or imposition of any material lien or encumbrance upon the property
of Sovereign or Sovereign Bank, except such material lien, instrument or
obligation that has been disclosed pursuant to the Agreement or the Plan; or
(iii) violate in any material respect any order, writ, injunction or decree
known to such counsel, or any federal or Pennsylvania statute, rule or
regulation applicable to Sovereign or Sovereign Bank.
 
     (b) Sovereign Bank is a validly existing federally-chartered savings bank
organized and in good standing under the laws of the United States of America.
The deposits of Sovereign Bank are insured to the maximum extent provided by law
by the Federal Deposit Insurance Corporation.
 
     (c) There is, to the knowledge of such counsel, no legal, administrative,
arbitration or governmental proceeding or investigation pending or threatened to
which Sovereign or Sovereign Bank is a party which would, if determined
adversely to Sovereign or Sovereign Bank, have a material adverse effect on the
financial condition or results of operation of Sovereign and Sovereign Bank
taken as a whole, or which presents a claim to restrain or prohibit the
transactions contemplated by the Agreement and the Plan, respectively.
 
     (d) No consent, approval, authorization or order of any federal or state
court or federal or state governmental agency or body is required for the
consummation by Sovereign or Sovereign Bank of the transactions contemplated by
the Agreement and the Plan, except for such consents, approvals, authorizations
or orders as have been obtained.
 
     (e) Upon the filing and effectiveness of the Articles of Merger with the
PDS, the Articles of Merger with the NJSOS, and Articles of Combination with the
OTS in accordance with the Agreement and the Plan, the mergers of Sovereign and
Carnegie and of Sovereign Bank and Carnegie Bank contemplated by the Agreement
and the Plan, respectively, will have been effected in compliance with all
applicable federal and Pennsylvania laws and regulations in all material
respects.
 
     (f) The shares of Sovereign Common Stock to be issued in connection with
the merger of Carnegie and Sovereign contemplated by the Agreement have been
duly authorized and will, when issued in accordance with the terms of the
Agreement, be validly issued, fully paid and nonassessable, free and clear of
any mortgage, pledge, lien, encumbrance or claim (legal or equitable).
 
     (g) On the sole basis of such counsel's participation in conferences with
officers and employees of Sovereign in connection with the Proxy
Statement/Prospectus, and without other independent
 
                                      A-47
<PAGE>

investigation or inquiry, such counsel has no reason to believe that the Proxy
Statement/Prospectus, including any amendments or supplements thereto (except
for the financial information, financial schedules and other financial or
statistical data contained therein and except for any information supplied by
Carnegie or Carnegie Bank for inclusion therein, as to which counsel need
express no belief), as of the date of mailing thereof, contained any untrue
statement of a material fact with respect to Sovereign or omitted to state any
material fact with respect to Sovereign necessary to make any statement therein
with respect to Sovereign, in light of the circumstances under which it was
made, not misleading. Counsel may state in delivering such opinion, that such
counsel has not independently verified and does not assume the responsibility
for the accuracy, completeness or fairness of any information or statements
contained in the Proxy Statement/Prospectus, except with respect to identified
statements of law or regulations or legal conclusions relating to Sovereign or
the transactions contemplated in the Agreement and the Plan.
 
                                      A-48
<PAGE>

                                                                       EXHIBIT 6
 
                      FORM OF TAX OPINION OF STEVENS & LEE
 
     Sovereign and Carnegie shall have received an opinion of Stevens & Lee
substantially to the effect that, under the provisions of the IRC:
 
     1. Provided the Merger qualifies as a statutory merger under applicable
law, the transfer by Carnegie of all of its assets to Sovereign in exchange for
Sovereign Common Stock (including fractional share interests) and the assumption
by Sovereign of all of Carnegie's liabilities will constitute a reorganization
within the meaning of Section 368(a)(1)(A) of the IRC.
 
     2. Carnegie and Sovereign will each be "a party to a reorganization" within
the meaning of Section 368(b) of the IRC.
 
     3. Neither Carnegie nor Sovereign will recognize any gain or loss upon the
transfer of Carnegie's assets to Sovereign in exchange solely for Sovereign
Common Stock (including fractional share interests) and the assumption by
Sovereign of the liabilities of Carnegie.
 
     4. The basis of Carnegie's assets in the hands of Sovereign will be the
same as the basis of such assets in the hands of Carnegie immediately prior to
the Merger.
 
     5. The holding period of the assets of Carnegie to be received by Sovereign
will include the period during which the assets were held by Carnegie.
 
     6. No gain or loss will be recognized by the shareholders of Carnegie on
the receipt of Sovereign Common Stock (including fractional share interests)
solely in exchange for their shares of Carnegie Common Stock.
 
     7. The basis of the Sovereign Common Stock (including fractional share
interests) to be received by the Carnegie shareholders in the Merger will be the
same as the basis of the Carnegie Common Stock surrendered in exchange therefor.
 
     8. The holding period of the Sovereign Common Stock (including fractional
share interests) to be received by the Carnegie shareholders in the Merger will
include the period during which the Carnegie shareholders held their Carnegie
Common Stock, provided the shares of Carnegie Common Stock are held as a capital
asset on the Effective Date.
 
     9. The payment of cash in lieu of fractional share interests of Sovereign
Common Stock will be treated as if the fractional share interests were
distributed as part of the Merger and then redeemed by Sovereign. Such cash
payments will be treated as having been received as distribution in full payment
in exchange for the fractional share interests redeemed, as provided in Section
302(a) of the IRC.
 
     10. The Sovereign Stock Purchase Rights transferred with the shares of
Sovereign Common Stock will not constitute "other property" within the meaning
of Section 356(a)(1)(B) of the IRC.
 
     11. As provided in Section 381(c)(2) of the IRC and related Treasury
regulations, Sovereign will succeed to and take into account the earnings and
profits, or deficit in earnings and profits, of Carnegie as of the Effective
Date. Any deficit in the earnings and profits of Sovereign or Carnegie will be
used only to offset the earnings and profits accumulated after the Merger.
 
     12. Pursuant to Section 381(a) of the IRC and related Treasury regulations,
Sovereign will succeed to and take into account the items of Carnegie described
in Section 381(c) of the IRC. Such items will be taken into account by Sovereign
subject to the conditions and limitations of Sections 381, 382, 383, and 384 of
the IRC and the Treasury regulations thereunder.
 
     13. Provided the Bank Merger constitutes a statutory merger under
applicable law, the Bank Merger will constitute a reorganization within the
meaning of Section 368(a)(1)(A) of the IRC.
 
     14. Carnegie Bank and Sovereign Bank will each be "a party to a
reorganization" within the meaning of Section 368(b) of the IRC.
 
                                      A-49
<PAGE>

     15. Neither Carnegie Bank nor Sovereign Bank will recognize any gain or
loss upon the transfer of Carnegie Bank's assets to Sovereign Bank in
constructive exchange solely for Sovereign Bank common stock and the assumption
by Sovereign Bank of the liabilities of Carnegie Bank.
 
     16. The basis of Carnegie Bank's assets in the hands of Sovereign Bank will
be the same as the basis of such assets in the hands of Carnegie Bank
immediately prior to the Bank Merger.
 
     17. The holding period of Carnegie Bank's assets in the hands of Sovereign
Bank will include the period during which such assets were held by Carnegie
Bank.
 
     18. No gain or loss will be recognized by Sovereign, as the shareholder of
Carnegie Bank, upon the constructive receipt of shares of Sovereign Bank common
stock in exchange for the Carnegie Bank Common Stock surrendered in exchange
therefor in the Bank Merger.
 
     19. The basis of the Sovereign Bank common stock to be held by Sovereign
after the Bank Merger will equal the basis of such stock immediately before the
Bank Merger, increased by the basis of the Carnegie Bank Common Stock
surrendered in the constructive exchange.
 
     20. As provided in Section 381(c)(2) of the IRC and related Treasury
regulations, Sovereign Bank will succeed to and take into account the earnings
and profits, or deficit in earnings and profits, of Carnegie Bank as of the
effective date of the Bank Merger. Any deficit in the earnings and profits of
Sovereign Bank or Carnegie Bank will be used only to offset the earnings and
profits accumulated after the Bank Merger.
 
     21. Pursuant to Section 381(a) of the IRC and related Treasury regulations,
Sovereign Bank will succeed to and take into account the items of Carnegie Bank
described in Section 381(c) of the IRC. Such items will be taken into account by
Sovereign Bank subject to the conditions and limitations of Sections 381, 382,
383, and 384 of the IRC and the Treasury regulations thereunder.
 
                                      A-50
<PAGE>

                                                                       EXHIBIT 7
 
                     FORM OF OPINION OF COUNSEL TO CARNEGIE
 
     Sovereign shall have received from counsel to Carnegie, an opinion, dated
as of the Closing Date, substantially to the effect that, subject to normal
exceptions and qualifications:
 
     (a) Carnegie and Carnegie Bank have full corporate power to carry out the
transactions contemplated in the Agreement and the Plan of Merger, respectively.
The execution and delivery of the Agreement and the Plan of Merger and the
consummation of the transactions contemplated thereunder have been duly and
validly authorized by all necessary corporate action on the part of Carnegie and
Carnegie Bank, and the Agreement and the Plan constitute a valid and legally
binding obligation, in accordance with their respective terms, of Carnegie and
Carnegie Bank, respectively, except as may be limited by bankruptcy, insolvency,
reorganization, moratorium, receivership, conservatorship, and other laws
affecting creditors' rights generally and institutions the deposits of which are
insured by the FDIC, and as may be limited by the exercise of judicial
discretion in applying principles of equity. Subject to satisfaction of the
conditions set forth in the Agreement, neither the transactions contemplated in
the Agreement and the Plan, nor compliance by Carnegie and Carnegie Bank with
any of the respective provisions thereof, will (i) conflict with or result in a
breach or default under (A) the certificate of incorporation or bylaws of
Carnegie or the charter or bylaws of Carnegie Bank, or (B) based on certificates
of officers and without independent verification, to the knowledge of such
counsel, any note, bond, mortgage, indenture, license, agreement or other
instrument or obligation to which Carnegie or Carnegie Bank is a party; or (ii)
to the knowledge of such counsel, result in the creation or imposition of any
material lien, instrument or encumbrance upon the property of Carnegie or
Carnegie Bank, except such material lien, instrument or obligation that has been
disclosed to Sovereign pursuant to the Agreement and the Plan, or (iii) violate
in any material respect any order, writ, injunction, or decree known to such
counsel, or any statute, rule or regulation applicable to Carnegie or Carnegie
Bank.
 
     (b) Carnegie Bank is a validly existing state-chartered bank organized and
in good standing under the laws of the United States of America. The deposits of
Carnegie Bank are insured to the maximum extent provided by law by the Federal
Deposit Insurance Corporation.
 
     (c) There is, to the knowledge of such counsel, no legal, administrative,
arbitration or governmental proceeding or investigation pending or threatened to
which Carnegie or Carnegie Bank is a party which would, if determined adversely
to Carnegie or Carnegie Bank, have a material adverse effect on the business,
properties, results of operations, or condition, financial or otherwise, of
Carnegie or Carnegie Bank taken as a whole or which presents a claim to restrain
or prohibit the transactions contemplated by the Agreement and the Plan,
respectively.
 
     (d) No consent, approval, authorization, or order of any federal or state
court or federal or state governmental agency or body, or of any third party, is
required for the consummation by Carnegie or Carnegie Bank of the transactions
contemplated by the Agreement and the Plan, except for such consents, approvals,
authorizations or orders as have been obtained.
 
     (e) On the sole basis of such counsel's participation in conferences with
officers and employees of Carnegie in connection with the preparation of the
Prospectus/Proxy Statement and without other independent investigation or
inquiry, such counsel has no reason to believe that the Prospectus/Proxy
Statement, including any amendments or supplements thereto (except for the
financial information, financial statements, financial schedules and other
financial or statistical data contained therein and except for any information
supplied by Sovereign for inclusion therein, as to which counsel need express no
belief), as of the date of mailing thereof and as of the date of the meeting of
shareholders of Carnegie to approve the merger, contained any untrue statement
of a material fact or omitted to state a material fact necessary to make any
statement therein, in light of the circumstances under which it was made, not
misleading. Counsel may state in delivering such opinion, that such counsel has
not independently verified and does not assume any responsibility for the
accuracy, completeness or fairness of any information or statements contained in
the Prospectus/Proxy Statement, except with respect to identified statements of
law or regulations or legal conclusions relating to Carnegie or Carnegie Bank or
the transactions contemplated in the Agreement and the Plan.
 
                                      A-51
<PAGE>

                                                                         ANNEX B
 
                             STOCK OPTION AGREEMENT
 
     THIS STOCK OPTION AGREEMENT ("Stock Option Agreement") dated December 12,
1997, is by and between SOVEREIGN BANCORP, INC., a Pennsylvania corporation
("Sovereign") and CARNEGIE BANCORP, a New Jersey corporation ("Carnegie").
 
                                   BACKGROUND
 
     1. Sovereign and Carnegie desire to enter into an Agreement and Plan of
Merger, dated December 12, 1997 (the "Agreement"), providing, among other
things, for the acquisition by Sovereign of Carnegie through the merger of
Carnegie with and into Sovereign, with Sovereign surviving the merger (the
"Merger").
 
     2. As a condition to Sovereign to enter into the Plan, Carnegie is granting
to Sovereign an option to purchase up to that number of shares of common stock
of Carnegie as shall equal 19.9% of shares of common stock of Carnegie issued
and outstanding immediately prior to such purchase, on the terms and conditions
hereinafter set forth.
 
                                   AGREEMENT
 
     In consideration of the foregoing and the mutual covenants and agreements
set forth herein, Sovereign and Carnegie, intending to be legally bound hereby,
agree:
 
     1. Grant of Option.  Carnegie hereby grants to Sovereign, on the terms and
conditions set forth herein, the option to purchase (the "Option") up to 543,888
shares (as adjusted as set forth herein, the "Option Shares") of common stock,
no par value per share (the "Common Stock"), of Carnegie at a price per share
(as adjusted as set forth herein, the "Option Price") equal to the lower of (i)
$31.00 or (ii) the lowest price per share that a person or a group, other than
Sovereign or an affiliate of Sovereign, paid or offers to pay after the date
hereof for Common Stock in a transaction constituting a Triggering Event under
Section 2 hereof.
 
     2. Exercise of Option.  Provided that (i) Sovereign shall not be in breach
of the agreements or covenants contained in this Agreement or the Plan, and (ii)
no preliminary or permanent injunction or other order against the delivery of
shares covered by the Option issued by any court of competent jurisdiction in
the United States shall be in effect, upon or after the occurrence of a
Triggering Event (as such term is hereinafter defined) and until termination of
this Stock Option Agreement in accordance with the provisions of Section 21,
Sovereign may exercise the Option, in whole or in part, at any time or one or
more times, from time to time. As used herein, the term "Triggering Event" means
the occurrence of any of the following events:
 
          (a) a person or group (as such terms are defined in the Securities
     Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and
     regulations thereunder), other than Sovereign or an affiliate of Sovereign,
     acquires beneficial ownership (within the meaning of Rule 13d-3 under the
     Exchange Act) of 10% or more of the then outstanding shares of Common Stock
     (excluding any shares eligible to be reported on Schedule 13G of the
     Securities and Exchange Commission);
 
          (b) a person or group, other than Sovereign or an affiliate of
     Sovereign, enters into an agreement or letter of intent with Carnegie
     pursuant to which such person or group or any affiliate of such person or
     group would (i) merge or consolidate, or enter into any similar
     transaction, with Carnegie, (ii) acquire all or substantially all of the
     assets or liabilities of Carnegie or all or substantially all of the assets
     or liabilities of Carnegie Bank, N.A., the wholly-owned subsidiary of
     Carnegie ("Carnegie Bank"), or (iii) acquire beneficial ownership of
     securities representing, or the right to acquire beneficial ownership or to
     vote securities representing, 10% or more of the
 
                                      B-1
<PAGE>

     then outstanding shares of Common Stock (excluding any shares eligible to
     be reported on Schedule 13G of the Securities and Exchange Commission) or
     the then outstanding shares of common stock of Carnegie Bank; or
 
          (c) a person or group, other than Sovereign or an affiliate of
     Sovereign, publicly announces a bona fide proposal (including a written
     communication that is or becomes the subject of public disclosure) for (i)
     any merger, consolidation or acquisition of all or substantially all the
     assets or liabilities of Carnegie or all or substantially all the assets or
     liabilities of Carnegie Bank, or any other business combination involving
     Carnegie or Carnegie Bank, or (ii) a transaction involving the transfer of
     beneficial ownership of securities representing, or the right to acquire
     beneficial ownership or to vote securities representing, 10% or more of the
     then outstanding shares of Common Stock or the then outstanding shares of
     common stock of Carnegie Bank (collectively, a "Proposal"), and thereafter,
     if such Proposal has not been Publicly Withdrawn (as such term is
     hereinafter defined) at least 30 days prior to the meeting of shareholders
     of Carnegie called to vote on the Merger, Carnegie's shareholders fail to
     approve the Merger by the vote required by applicable law at the meeting of
     shareholders called for such purpose or such meeting has been cancelled; or
 
          (d) a person or group, other than Sovereign or an affiliate of
     Sovereign, makes a bona fide Proposal and thereafter, but before such
     Proposal has been Publicly Withdrawn, Carnegie willfully takes any action
     in a manner which would likely result in the failure of either party to
     satisfy a material condition to the closing of the Merger or materially
     reduce the value of the transaction to Sovereign; or
 
          (e) Carnegie breaches, in any material respect, any binding term of
     the Agreement with respect to the Merger, or this Stock Option Agreement
     after a Proposal is made and before it is Publicly Withdrawn or publicly
     announces an intention to authorize, recommend or accept any such Proposal;
 
provided, however, that any purchase of shares upon exercise of the Option shall
be subject to compliance with applicable law.
 
     If more than one of the transactions giving rise to a Triggering Event
under this Section is undertaken or effected, then all such transactions shall
give rise only to one Triggering Event, which Triggering Event shall be deemed
continuing for all purposes hereunder until all such transactions are abandoned.
 
     "Publicly Withdrawn" for purposes of this Section 2 shall mean an
unconditional bona fide withdrawal of the Proposal coupled with a public
announcement of no further interest in pursuing such Proposal or in acquiring
any controlling influence over Carnegie or in soliciting or inducing any other
person (other than Sovereign or an affiliate of Sovereign) to do so.
 
     Notwithstanding the foregoing, the obligation of Carnegie to issue Option
Shares upon exercise of the Option shall be deferred (but shall not terminate)
(i) until the receipt of all required governmental or regulatory approvals or
consents necessary for Carnegie to issue the Option Shares, or Sovereign to
exercise the Option, or until the expiration or termination of any waiting
period required by law, or (ii) so long as any injunction or other order, decree
or ruling issued by any federal or state court of competent jurisdiction is in
effect which prohibits the sale or delivery of the Option Shares, and, in each
case, notwithstanding any provision to the contrary set forth herein, the Option
shall not expire or otherwise terminate.
 
     Carnegie shall notify Sovereign promptly in writing of the occurrence of
any Triggering Event known to it, it being understood that the giving of such
notice by Carnegie shall not be a condition to the right of Sovereign to
exercise the Option. Carnegie will not take any action which would have the
effect of preventing or disabling Carnegie from delivering the Option Shares to
Sovereign upon exercise of the Option or otherwise performing its obligations
under this Stock Option Agreement. In the event Sovereign wishes to exercise the
Option, Sovereign shall send a written notice to Carnegie (the date of which is
hereinafter referred to as the "Notice Date") specifying the total number of
 
                                      B-2
<PAGE>

Option Shares it wishes to purchase and a place and date between two and ten
business days inclusive from the Notice Date for the closing of such a purchase
(a "Closing"); provided, however, that a Closing shall not occur prior to two
days after the later of receipt of any necessary regulatory approvals or the
expiration of any legally required notice or waiting period, if any.
 
     3. Payment and Delivery of Certificates.  At any Closing hereunder, (a)
Sovereign will make payment to Carnegie of the aggregate price for the Option
Shares so purchased by wire transfer of immediately available funds to an
account designated by Carnegie, (b) Carnegie will deliver to Sovereign a stock
certificate or certificates representing the number of Option Shares so
purchased, registered in the name of Sovereign or its designee, in such
denominations as were specified by Sovereign in its notice of exercise, and (c)
Sovereign will pay any transfer or other taxes required by reason of the
issuance of the Option Shares so purchased.
 
     A legend will be placed on each stock certificate evidencing Option Shares
issued pursuant to this Stock Option Agreement, which legend will read
substantially as follows:
 
          "The shares of stock evidenced by this certificate have not been
     the subject of a registration statement filed under the Securities Act
     of 1933, as amended (the "Act"), and declared effective by the
     Securities and Exchange Commission. These shares may not be sold,
     transferred or otherwise disposed of prior to such time unless
     Carnegie Bancorp receives an opinion of counsel stating that an
     exemption from the registration provisions of the Act is available for
     such transfer."
 
     4. Registration Rights.  Upon or after the occurrence of a Triggering Event
and upon receipt of a written request from Sovereign, Carnegie shall prepare and
file as soon as practicable a registration statement under the Securities Act of
1933, as amended, with the Securities and Exchange Commission covering the
Option and such number of Option Shares as Sovereign shall specify in its
request, and Carnegie shall use its best efforts to cause such registration
statement to be declared effective in order to permit the sale or other
disposition of the Option and the Option Shares, provided that Sovereign shall
in no event have the right to have more than one such registration statement
become effective, and provided further that Carnegie shall not be required to
prepare and file any such registration statement in connection with any proposed
sale with respect to which counsel to Carnegie delivers to Carnegie and to
Sovereign its opinion to the effect that no such filing is required under
applicable laws and regulations with respect to such sale or disposition;
provided, however, that Carnegie may delay any registration of Option Shares
above for a period not exceeding 90 days provided Carnegie shall in good faith
determine that any such registration would adversely affect an offering or
contemplated offering of other securities by Carnegie. Sovereign shall provide
all information reasonably requested by Carnegie for inclusion in any
registration statement to be filed hereunder. In connection with such filing,
Carnegie shall use its best efforts to cause to be delivered to Sovereign such
certificates, opinions, accountant's letters and other documents as Sovereign
shall reasonably request and as are customarily provided in connection with
registration of securities under the Securities Act of 1933, as amended.
Carnegie shall provide to Sovereign such number of copies of the preliminary
prospectus and final prospectus and any amendments and supplements thereto as
Sovereign may reasonably request. All reasonable expenses incurred by Carnegie
in complying with the provisions of this Section 4, including, without
limitation, all registration and filing fees, reasonable printing expenses,
reasonable fees and disbursements of counsel for Carnegie and blue sky fees and
expenses, shall be paid by Carnegie. Underwriting discounts and commissions to
brokers and dealers relating to the Option Shares, fees and disbursements of
counsel to Sovereign and any other expenses incurred by Sovereign in connection
with such filing shall be borne by Sovereign. In connection with such filing,
Carnegie shall indemnify and hold harmless Sovereign against any losses, claims,
damages or liabilities, joint or several, to which Sovereign may become subject,
insofar as such losses, claims, damages or liabilities (or actions in respect
thereof) arise out of or are based upon any untrue statement or alleged untrue
statement of any material fact contained in any preliminary or final
registration statement or any amendment or supplement thereto, or arise out of
or are based upon the omission or alleged omission to state therein a material
fact required to be stated therein or necessary to make the statements therein
not misleading; and Carnegie will reimburse Sovereign for any legal or other
 
                                      B-3
<PAGE>

expense reasonably incurred by Sovereign in connection with investigating or
defending any such loss, claim, damage, liability or action; provided, however,
that Carnegie will not be liable in any case to the extent that any such loss,
claim, damage or liability arises out of or is based upon an untrue statement or
alleged untrue statement or omission or alleged omission made in such
preliminary or final registration statement or such amendment or supplement
thereto in reliance upon and in conformity with written information furnished by
or on behalf of Sovereign specifically for use in the preparation thereof.
Sovereign will indemnify and hold harmless Carnegie to the same extent as set
forth in the immediately preceding sentence but only with reference to written
information furnished by or on behalf of Sovereign for use in the preparation of
such preliminary or final registration statement or such amendment or supplement
thereto; and Sovereign will reimburse Carnegie for any legal or other expense
reasonably incurred by Carnegie in connection with investigating or defending
any such loss, claim, damage, liability or action.
 
     5. Adjustment Upon Changes in Capitalization.  In the event of any change
in the Common Stock by reason of stock dividends, split-ups, recapitalizations,
combinations, conversions, divisions, exchanges of shares or the like, then the
number and kind of Option Shares and the Option Price shall be appropriately
adjusted.
 
     6. Filings and Consents.  Each of Sovereign and Carnegie will use its best
efforts to make all filings with, and to obtain consents of, all third parties
and governmental authorities necessary to the consummation of the transactions
contemplated by this Stock Option Agreement. Within 10 days from the date
hereof, Sovereign shall file a report of beneficial ownership on Form 13D with
the Securities and Exchange Commission under the Exchange Act which discloses
the rights of Sovereign hereunder.
 
     7. Representations and Warranties of Carnegie.  Carnegie hereby represents
and warrants to Sovereign as follows:
 
          (a) Due Authorization.  Carnegie has full corporate power and
     authority to execute, deliver and perform this Stock Option Agreement and
     all corporate action necessary for execution, delivery and performance of
     this Stock Option Agreement has been duly taken by Carnegie. This Stock
     Option Agreement constitutes a legal, valid and binding obligation of
     Carnegie, enforceable against Carnegie in accordance with its terms (except
     as may be limited by applicable bankruptcy, insolvency, reorganization,
     moratorium, fraudulent transfer and similar laws of general applicability
     relating to or affecting creditors' rights or by general equity
     principles).
 
          (b) Authorized Shares.  Carnegie has taken all necessary corporate
     action to authorize and reserve for issuance all shares of Common Stock
     that may be issued pursuant to any exercise of the Option.
 
     8. Representations and Warranties of Sovereign.  Sovereign hereby
represents and warrants to Carnegie that Sovereign has full corporate power and
authority to execute, deliver and perform this Stock Option Agreement and all
corporate action necessary for execution, delivery and performance of this Stock
Option Agreement has been duly taken by Sovereign. This Stock Option Agreement
constitutes a legal, valid and binding obligation of Sovereign, enforceable
against Sovereign in accordance with its terms (except as may be limited by
applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent
transfer and similar laws of general applicability relating to or affecting
creditors' rights or by general equity principles).
 
     9. Specific Performance.  The parties hereto acknowledge that damages would
be an inadequate remedy for a breach of this Stock Option Agreement and that the
obligations of the parties hereto shall be specifically enforceable.
 
     10. Entire Agreement.  This Stock Option Agreement and the Agreement
constitute the entire agreement between the parties with respect to the subject
matter hereof and supersede all other prior agreements and understandings, both
written and oral, among the parties or any of them with respect to the subject
matter hereof.
 
                                      B-4
<PAGE>

     11. Assignment or Transfer.  Sovereign may not sell, assign or otherwise
transfer its rights and obligations hereunder, in whole or in part, to any
person or group of persons other than to a subsidiary of Sovereign. Sovereign
represents that it is acquiring the Option for Sovereign's own account and not
with a view to, or for sale in connection with, any distribution of the Option
or the Option Shares. Sovereign is aware that neither the Option nor the Option
Shares is the subject of a registration statement filed with, and declared
effective by, the Securities and Exchange Commission pursuant to Section 5 of
the Securities Act of 1933, as amended, but instead each is being offered in
reliance upon the exemption from the registration requirement provided by
Section 4(2) thereof and the representations and warranties made by Sovereign in
connection therewith and Sovereign acknowledges that the Option Shares may not
be sold, transferred or otherwise disposed of unless registered or unless
subject to an exemption from registration.
 
     12. Amendment of Stock Option Agreement.  By mutual consent of the parties
hereto, this Stock Option Agreement may be amended in writing at any time, for
the purpose of facilitating performance hereunder or to comply with any
applicable regulation of any governmental authority or any applicable order of
any court or for any other purpose.
 
     13. Validity.  The invalidity or unenforceability of any provision of this
Stock Option Agreement shall not affect the validity or enforceability of any
other provisions of this Stock Option Agreement, which shall remain in full
force and effect.
 
     14. Notices.  All notices, requests, consents and other communications
required or permitted hereunder shall be in writing and shall be deemed to have
been duly given when delivered personally, by telegram or telecopy, or by
registered or certified mail (postage prepaid, return receipt requested) to the
respective parties as follows:
 
                                (i) If to Sovereign, to:
 
                                    Sovereign Bancorp, Inc.
                                    1130 Berkshire Boulevard
                                    Wyomissing, Pennsylvania 19610
 
                                    Attention: Jay S. Sidhu
                                                President and Chief Executive
                                    Officer
 
                                    Telecopy No.: (610) 320-8448
 
                                    with a copy to:
 
                                    Stevens & Lee
                                    111 North Sixth Street
                                    P.O. Box 679
                                    Reading, Pennsylvania 19603
 
                                    Attention: Joseph M. Harenza, Esquire
                                                David W. Swartz, Esquire
 
                                    Telecopy No.: (610) 376-5610
 
                                      B-5
<PAGE>

                                (ii) If to Carnegie, to:
 
                                     Carnegie Bancorp
                                     619 Alexander Road
                                     Princeton, New Jersey 08540
 
                                     Attention: Thomas L. Gray, Jr.
                                                 President and Chief Executive
                                     Officer
 
                                     Telecopy No.: (609) 452-2492
 
                                     with copies to:
 
                                     McCarter & English
                                     Four Gateway Center
                                     100 Mulberry Street
                                     Newark, New Jersey 07101-0652
 
                                     Attention: Michael M. Horn, Esquire
 
                                     Telecopy No.: (973) 624-7070
 
or to such other address as the person to whom notice is to be given may have
previously furnished to the others in writing in the manner set forth above
(provided that notice of any change of address shall be effective only upon
receipt thereof).
 
     15. Governing Law.  This Stock Option Agreement shall be governed by and
construed in accordance with the domestic internal law (but not the law of
conflicts of law) of the Commonwealth of Pennsylvania.
 
     16. Captions.  The captions in this Stock Option Agreement are inserted for
convenience and reference purposes, and shall not limit or otherwise affect any
of the terms or provisions hereof.
 
     17. Waivers and Extensions.  The parties hereto may, by mutual consent,
extend the time for performance of any of the obligations or acts of either
party hereto. Each party may waive (i) compliance with any of the covenants of
the other party contained in this Stock Option Agreement and/or (ii) the other
party's performance of any of its obligations set forth in this Stock Option
Agreement.
 
     18. Parties in Interest.  This Stock Option Agreement shall be binding upon
and inure solely to the benefit of each party hereto, and, nothing in this Stock
Option Agreement, express or implied, is intended to confer upon any other
person any rights or remedies of any nature whatsoever under or by reason of
this Stock Option Agreement.
 
     19. Counterparts.  This Stock Option Agreement may be executed in two or
more counterparts, each of which shall be deemed to be an original, but all of
which shall constitute one and the same agreement.
 
     20. Expenses.  Subject to the terms of the Plan and except as otherwise
provided herein, all costs and expenses incurred by the parties hereto in
connection with the transactions contemplated by this Stock Option Agreement or
the Option shall be paid by the party incurring such cost or expense.
 
     21. Termination.  This Stock Option Agreement shall terminate and be of no
further force or effect upon the earliest to occur of (A) the Effective Time or
(B) termination of the Agreement in accordance with the terms thereof, except
that if the Agreement is terminated by Sovereign pursuant to Section 6.01(b)(i)
of the Agreement (provided the failure of the occurrence of the event specified
in Section 6.01(b)(i) of the Agreement shall be due to the failure of Carnegie
to perform or observe its agreements set forth in the Agreement required to be
performed or observed by Carnegie prior to the Closing Date (as defined in the
Agreement)) or 6.01(d) of the Agreement, this Stock Option Agreement shall not
terminate until one year after the date of termination of the Agreement.
 
                                      B-6
<PAGE>

     IN WITNESS WHEREOF, each of the parties hereto, pursuant to resolutions
adopted by its Board of Directors, has caused this Stock Option Agreement to be
executed by its duly authorized officer and has caused its corporate seal to be
affixed hereunto and to be duly attested, all as of the day and year first above
written.
 
                                  SOVEREIGN BANCORP, INC.
 
   
                                  By /S/ JAY S. SIDHU___________________________
    
                                     Jay S. Sidhu,
                                     President and Chief Executive Officer
 
                                  CARNEGIE BANCORP
 
   
                                  By /S/ THOMAS L. GRAY, JR.____________________
    
                                     THOMAS L. GRAY, JR.
                                     PRESIDENT AND CHIEF EXECUTIVE OFFICER
 
                                      B-7
<PAGE>

                                                                         ANNEX C
 
                          OPINION OF FINANCIAL ADVISOR
 
   
    
   
                                 June 30, 1998
    
 
The Board of Directors
Carnegie Bancorp
619 Alexander Road
Princeton, New Jersey 08540
 
Members of the Board:
 
   
     Carnegie Bancorp ("Carnegie") and Sovereign Bancorp, Inc. ("Sovereign")
have entered into a Merger Agreement providing for the merger of Carnegie with
and into Sovereign (the "Merger"). The proposed consideration is outlined in the
Merger Agreement dated December 12, 1997. You have asked our opinion as of the
date hereof, whether the Exchange Ratio pursuant to the Merger Agreement is
fair, from a financial point of view, to the shareholders of Carnegie.
    
 
     Pursuant to the Merger Agreement, the terms provide for the exchange of
Sovereign Common Stock for all issued and outstanding Capital Stock of Carnegie
based upon the average closing price per share of Sovereign Common Stock over a
ten day trading period ending two days prior to the closing of the Merger.
 
     Janney Montgomery Scott Inc., as part of its investment banking business,
is engaged in the valuation of financial institutions and their securities in
connection with mergers and acquisitions. In addition, in the ordinary course of
our business as a broker-dealer, we may, from time to time, have a long or short
position in, and buy or sell, debt or equity securities of Carnegie or Sovereign
for our own account or for the accounts of our customers. We are familiar with
Carnegie having lead-managed an offering of units of Carnegie in 1994 and having
provided standby underwriting services in the conversion of expiring warrants in
August 1997. We have received a fee from Carnegie for rendering this opinion.
 
     In rendering our opinion, we have, among other things:
 
          (a) reviewed the historical financial performances, current financial
     positions and general prospects of Carnegie and Sovereign;
 
          (b) considered the proposed financial terms of the Merger and have
     examined the projected consequences of the Merger with respect to, among
     other things, market value, earnings and book value per share of Carnegie
     Common Stock;
 
          (c) to the extent deemed relevant, analyzed selected public
     information of certain other banks and bank holding companies and compared
     Carnegie and Sovereign from a financial point of view to these other banks
     and bank holding companies;
 
          (d) reviewed the historical market price ranges and trading activity
     performance of Common Stock of Carnegie and Sovereign;
 
          (e) reviewed publicly-available information such as annual reports,
     SEC filings and research reports;
 
          (f) compared the terms of the Merger with the terms of certain other
     comparable transactions to the extent information concerning such
     acquisitions was publicly available;
 
          (g) discussed with certain members of senior management of Carnegie
     and Sovereign the strategic aspects of the Merger, including estimated cost
     savings from the Merger;
 
          (h) reviewed the Merger Agreement; and
 
                                      C-1
<PAGE>

          (i) performed such other analyses and examinations as we deemed
     necessary. We have also had conversations with various senior officers of
     Carnegie and Sovereign to discuss the foregoing as well as other matters we
     believe relevant to our opinion.
 
     We have relied upon and assumed the accuracy and completeness of all
information provided to us by Carnegie and Sovereign or publicly available and
we have not independently verified such information. We have relied upon the
managements of Carnegie as to the reasonableness and achievability of the
financial and operational forecasts and projections, and the assumptions and
bases therefor, provided to us, and we have assumed that such forecasts and
projections reflect the best currently available estimates and judgements of
such managements.
 
     Our conclusion is rendered on the basis of market, economic and other
conditions prevailing as of the date hereof and on the conditions and prospects,
financial and otherwise, of Carnegie and Sovereign as they exist and are known
to us on the date hereof. Furthermore, this opinion does not represent our
opinion as to what the value of Sovereign necessarily will be when the Sovereign
Common Stock is issued to Carnegie shareholders upon consummation of the Merger.
In addition, we express no recommendation as to how the shareholders of Carnegie
should vote at the shareholders meeting held in connection with the Merger.
 
     On the basis of and subject to the foregoing, we are of the opinion that as
of the date hereof, the Exchange Ratio pursuant to the Merger Agreement is fair,
from a financial point of view, to the shareholders of Carnegie.
 
                                          Very truly yours,
 
                                          JANNEY MONTGOMERY SCOTT INC.
 
                                      C-2
<PAGE>

                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 20.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     Pennsylvania law provides that a Pennsylvania corporation may indemnify
directors, officers, employees and agents of the corporation against liabilities
they may incur in such capacities for any action taken or any failure to act,
whether or not the corporation would have the power to indemnify the person
under any provision of law, unless such action or failure to act is determined
by a court to have constituted recklessness or willful misconduct. Pennsylvania
law also permits the adoption of a bylaw amendment, approved by shareholders,
providing for the elimination of a director's liability for monetary damages for
any action taken or any failure to take any action unless (1) the director has
breached or failed to perform the duties of his office and (2) the breach or
failure to perform constitutes self-dealing, willful misconduct or recklessness.
 
     The bylaws of Sovereign provide for (1) indemnification of directors,
officers, employees and agents of the registrant and its subsidiaries and (2)
the elimination of a director's liability for monetary damages, to the fullest
extent permitted by Pennsylvania law.
 
     Directors and officers are also insured against certain liabilities for
their actions, as such, by an insurance policy obtained by Sovereign.
 
ITEM 21.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
 
     (A) EXHIBITS.
 
   
<TABLE>
<S>    <C>
 2.1   Agreement and Plan of Merger dated as of December 12, 1997,
       between Sovereign Bancorp, Inc. and Carnegie Bancorp, Inc.
       (included as Annex A to the Proxy Statement Prospectus).
       Schedules are omitted; Sovereign Bancorp, Inc. agrees to
       furnish copies of such schedules to the Commission upon
       request.
 2.2   Stock Option Agreement dated December 12, 1997, between
       Sovereign Bancorp, Inc. and Carnegie Bancorp, Inc. (included
       as Annex B to the Proxy Statement/Prospectus).
 3.1   Articles of Incorporation, as amended, of Sovereign Bancorp,
       Inc. (Incorporated by reference to Exhibit 3.1 of
       Sovereign's Annual Report on Form 10-K for the year ended
       December 31, 1995.)
 3.2   Bylaws of Sovereign Bancorp, Inc. (Incorporated by reference
       to Exhibit 3.2 of Sovereign's Annual Report on Form 10-K for
       the year ended December 31, 1993.)
 4.1   Sovereign Bancorp, Inc. has outstanding long-term debt that
       does not exceed 10% of the total assets of Sovereign
       Bancorp, Inc. and its consolidated subsidiaries; therefore,
       copies of the constituent instruments defining the rights of
       the holders of such debt are not included as exhibits to
       this Registration Statement. Sovereign Bancorp, Inc. agrees
       to furnish copies of such instruments to the Commission upon
       request.
 5.1   Opinion of Stevens & Lee re: Validity.**
 8.1   Form of opinion of Stevens & Lee re: tax matters.**
10.1   Sovereign Bancorp, Inc. Stock Option Plan, as amended and
       restated. (Incorporated by reference to Exhibit 10.1 to
       Sovereign's Annual Report on Form 10-K for the fiscal year
       ended December 31, 1994.)*
10.2   Sovereign Bancorp, Inc. 1993 Stock Option Plan.
       (Incorporated by reference to Exhibit 10.21 to Sovereign's
       Annual Report on Form 10-K for the year ended December 31,
       1992.)*
10.3   Sovereign Bancorp, Inc. Employee Stock Purchase Plan.
       (Incorporated by reference to Exhibit 4.1 to Sovereign's
       Registration Statement No. 33-44108 on Form S-8.)*
10.4   Agreement dated as of March 1, 1997, between Sovereign
       Bancorp, Inc., Sovereign Bank, and Jay S. Sidhu.
       (Incorporated by reference to Exhibit 99.1 of Sovereign's
       Quarterly Report on Form 10-Q for the quarter ended March
       31, 1997, as amended).*
</TABLE>
    
 
                                      II-1
<PAGE>

   
<TABLE>
<S>    <C>
10.5   Agreement dated as of September 15, 1992, between Sovereign
       Bank, a Federal Savings Bank, and Karl D. Gerhart.
       (Incorporated by Reference to Exhibit 10.4 of Sovereign's
       Annual Report on Form 10-K for the fiscal year ended
       December 31, 1992.)*
10.6   Agreement dated as of September 15, 1992, between Sovereign
       Bank, a Federal Savings Bank, and Lawrence M. Thompson, Jr.
       (Incorporated by reference to Exhibit 10.5 of Sovereign's
       Annual Report on Form 10-K for the fiscal year ended
       December 31, 1992.)*
10.7   Penn Savings Bank Senior Officer Incentive Plan.
       (Incorporated by reference to Exhibit 10.6 to Sovereign's
       Annual Report on Form 10-K for the fiscal year ended
       December 31, 1994.)*
10.8   Rights agreement dated September 19, 1989, between Sovereign
       Bancorp, Inc. and Harris Trust Company of New York.
       (Incorporated by reference to Exhibit 4.3 to Sovereign's
       Registration Statement No. 33-89586 on Form S-8.)
10.9   Sovereign Bancorp, Inc. Non-Employee Director Incentive
       Compensation Plan. (Incorporated by reference to Exhibit
       10.12 to Sovereign's Registration Statement No. 33-43195 on
       Form S-1.)*
10.10  Indemnification Agreement dated December 21, 1993, between
       Sovereign Bank and Jay S. Sidhu. (Incorporated herein by
       reference to Exhibit 10.25 to Sovereign's Annual Report on
       Form 10-K for the year ended December 31, 1993).*
23.1   Consent of Ernst & Young LLP.
23.2   Consent of KPMG Peat Marwick LLP, Independent Auditors.**
23.3   Consent of KPMG Peat Marwick LLP, Independent Auditors.**
23.4   Consent of Coopers & Lybrand LLP.**
23.5   Consent of Stevens & Lee (contained in Exhibit 5).**
23.6   Consent of Stevens & Lee.**
23.7   Consent of Janney Montgomery, Scott Inc.
23.8   Consent of KPMG Peat Marwick LLP.
24.1   Powers of Attorney of Directors and Officers (included on
       signature page hereof).
99.1   Opinion of Janney Montgomery, Scott Inc. dated June 29, 1998
       (included as Annex C to Proxy Statement/Prospectus).
99.2   Form of Proxy for the Annual Meeting of Shareholders of
       Carnegie Bancorp, Inc.**
</TABLE>
    
 
- ------------------
 * Denotes management contract or compensatory contract, plan or arrangement.
 
   
** Previously filed.
    
 
     (B) FINANCIAL STATEMENT SCHEDULES.
 
     None required.
 
ITEM 22.  UNDERTAKINGS.
 
     (a) The undersigned registrant hereby undertakes:
 
          (1) To file, during any period in which offers or sales are being
     made, a post-effective amendment to this registration statement:
 
             (i) To include any prospectus required by section 10(a)(3) of the
        Securities Act of 1933;
 
             (ii) To reflect in the prospectus any fact or events arising after
        the effective date of the registration statement (or the most recent
        post-effective amendment thereof) which, individually or in the
        aggregate, represent a fundamental change in the information set forth
        in the registration statement;
 
             (iii) To include any material information with respect to the plan
        of distribution not previously disclosed in the registration statement
        or any material change to such information in the registration
        statement.
 
                                      II-2
<PAGE>

          (2) That, for the purpose of determining any liability under the
     Securities Act of 1933, each such post-effective amendment shall be deemed
     to be a new registration statement relating to the securities offered
     therein, and the offering of such securities at that time shall be deemed
     to be the initial bona fide offering thereof.
 
          (3) To remove from registration by means of a post-effective amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.
 
             (b) The undersigned registrant hereby undertakes to deliver or
        cause to be delivered with the prospectus, to each person to whom the
        prospectus is sent or given, the latest annual report to security
        holders that is incorporated by reference in the prospectus and
        furnished pursuant to and meeting the requirements of Rule 14a-3 or Rule
        14c-3 under the Securities Exchange Act of 1934; and, where interim
        financial information required to be presented by Article 3 of
        Regulation S-X are not set forth in the prospectus, to deliver, or cause
        to be delivered to each person to whom the prospectus is sent or given,
        the latest quarterly report that is specifically incorporated by
        reference in the prospectus to provide such interim financial
        information.
 
             (c)(1) The undersigned registrant hereby undertakes as follows:
        that prior to any public reoffering of the securities registered
        hereunder through use of a prospectus which is a part of this
        registration statement, by any person or party who is deemed to be an
        underwriter within the meaning of Rule 145(c), the issuer undertakes
        that such reoffering prospectus will contain the information called for
        by the applicable registration form with respect to reofferings by
        persons who may be deemed underwriters, in addition to the information
        called for by the other Items of the applicable form.
 
                (2) The registrant undertakes that every prospectus (i) that is
        filed pursuant to paragraph (1) immediately preceding, or (ii) that
        purports to meet the requirements of section 10(a)(3) of the Act and is
        used in connection with an offering of securities subject to Rule 415,
        will be filed as a part of an amendment to the registration statement
        and will not be used until such amendment is effective, and that, for
        purposes of determining any liability under the Securities Act of 1933,
        each such post-effective amendment shall be deemed to be a new
        registration statement relating to the securities offered therein, and
        the offering of such securities at that time shall be deemed to be the
        initial bona fide offering thereof.
 
             (d) Insofar as indemnification for liabilities arising under the
        Securities Act of 1933 may be permitted to directors, officers and
        controlling persons of the registrant pursuant to the bylaws of the
        registrant, or otherwise, the registrant has been advised that in the
        opinion of the Securities and Exchange Commission such indemnification
        is against public policy as expressed in the Act and is, therefore,
        unenforceable. In the event that a claim for indemnification against
        such liabilities (other than the payment by the registrant of expenses
        incurred or paid by a director, officer or controlling person of the
        registrant in the successful defense of any action, suit or proceeding)
        is asserted by such director, officer or controlling person in
        connection with the securities being registered, the registrant will,
        unless in the opinion of its counsel the matter has been settled by
        controlling precedent, submit to a court of appropriate jurisdiction the
        question whether such indemnification by it is against public policy as
        expressed in the Act and will be governed by the final adjudication of
        such issue.
 
             (e) The undersigned registrant hereby undertakes to respond to
        requests for information that is incorporated by reference into the
        prospectus pursuant to Items 4, 10(b), 11, or 13 of this Form, within
        one business day of receipt of such request, and to send the
        incorporated documents by first class mail or other equally prompt
        means. This includes information contained in documents filed subsequent
        to the effective date of the registration statement through the date of
        responding to the request.
 
             (f) The undersigned registrant hereby undertakes to supply by means
        of a post-effective amendment all information concerning a transaction,
        and the company being acquired involved therein, that was not the
        subject of and included in the registration statement when it became
        effective.
 
                                      II-3
<PAGE>

                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the registrant
has duly caused this Amendment to Registration Statement to be signed on its
behalf by the undersigned, thereunto duly authorized, in the Borough of
Wyomissing, Commonwealth of Pennsylvania, on June 19, 1998.
    
 
                                          SOVEREIGN BANCORP, INC.
                                          (Registrant)
 
   
                                          By: /s/  JAY S. SIDHU
    
                                            ------------------------------------
                                              Jay S. Sidhu
                                              President and Chief Executive
                                              Officer
 
     KNOWN ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Jay S. Sidhu, Karl D. Gerhart and Joseph M.
Harenza, and each of them, his true and lawful attorney-in-fact, as agent with
full power of substitution and resubstitution for him and in his name, place and
stead, in any and all capacity, to sign any or all amendments to this
Registration Statement and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, granting unto such attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in and about the premises, as fully and to all intents and purposes
as they might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents, or their substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.
 
   
<TABLE>
<CAPTION>
         SIGNATURE                                  TITLE                               DATE
         ---------                                  -----                               ----
<S>                              <C>                                               <C>
/s /  RICHARD E. MOHN*           Chairman and Director                              June 19, 1998
- ---------------------------
Richard E. Mohn
/s /  JAY S. SIDHU               Director, President and Chief Executive            June 19, 1998
- ---------------------------      Officer (Principal Executive Officer)
Jay S. Sidhu
/s /  FRED D. HAFER*             Director                                           June 19, 1998
- ---------------------------
Fred D. Hafer
/s /  RHODA S. OBERHOLTZER*      Director                                           June 19, 1998
- ---------------------------
Rhoda S. Oberholtzer
/s /  PATRICK J. PETRONE*        Director                                           June 19, 1998
- ---------------------------
Patrick J. Petrone
/s /  DANIEL K. ROTHERMEL*       Director                                           June 19, 1998
- ---------------------------
Daniel K. Rothermel
/s /  CAMERON C. TROILO*         Director                                           June 19, 1998
- ---------------------------
Cameron C. Troilo
/s /  G. ARTHUR WEAVER*          Director                                           June 19, 1998
- ---------------------------
G. Arthur Weaver
/s /  DENNIS S. MARLO            Chief Financial Officer                            June 19, 1998
- ---------------------------
Dennis S. Marlo
/s /  MARK R. MCCOLLOM*          Chief Accounting Officer                           June 19, 1998
- ---------------------------
Mark R. McCollom
*/s /  JAY S. SIDHU
- ---------------------------
Jay S. Sidhu
Attorney-in-Fact
</TABLE>
    
 
                                      II-4
<PAGE>

   
                                 EXHIBIT INDEX
    
 
   
<TABLE>
<CAPTION>
NUMBER                             DESCRIPTION
- ------                             -----------
<S>        <C>
 2.1       Agreement and Plan of Merger dated December 12, 1997,
           between Sovereign Bancorp, Inc. and Carnegie Bancorp, Inc.
           (included as Annex A to the Proxy Statement Prospectus).
           Schedules are omitted; Sovereign Bancorp, Inc. agrees to
           furnish copies of such schedules to the Commission upon
           request.
 2.2       Stock Option Agreement dated December 12, 1997, between
           Sovereign Bancorp, Inc. and Carnegie Bancorp, Inc. (included
           as Annex B to the Proxy Statement/Prospectus).
 5.        Opinion of Stevens & Lee re: Validity.**
 8.1       Form of opinion of Stevens & Lee re: tax matters.**
23.1       Consent of Ernst & Young LLP.
23.2       Consent of KPMG Peat Marwick LLP, Independent Auditors.**
23.3       Consent of KPMG Peat Marwick LLP, Independent Auditors.**
23.4       Consent of Coopers & Lybrand LLP.**
23.5       Consent of Stevens & Lee (contained in Exhibit 5).**
23.6       Consent of Stevens & Lee.**
23.7       Consent of Janney Montgomery, Scott Inc.
23.8       Consent of KPMG Peat Marwick LLP, Independent Auditors.
24.1       Powers of Attorney of Directors and Officers (included on
           signature page hereof).
99.1       Opinion of Janney Montgomery, Scott Inc. dated June 29, 1998
           (included as Annex C to Proxy Statement/Prospectus).
99.2       Form of Proxy for the Annual Meeting of Shareholders of
           Carnegie Bancorp, Inc.
</TABLE>
    
 
- ------------------
 
   
** Previously filed.
    
 
   
                                      II-5
    


                                                                    EXHIBIT 23.1


                        Consent of Independent Auditors



We consent to the reference to our firm under the caption "Experts" in the
Pre-Effective Amendment to the Registration Statement on Form S-4 (No.
333-51813) and related Prospectus of Sovereign Bancorp, Inc. for the
registration of up to a maximum of 7,424,392 shares of its common stock and to
the incorporation by reference therein of our report dated March 2, 1998, with
respect to the consolidated financial statements of Sovereign Bancorp, Inc.
(restated to include ML Bancorp, Inc. which was acquired on February 28, 1998)
included in its Current Report on Form 8-K filed on or about June 23, 1998 with
the Securities and Exchange Commission and incorporated by reference in this
Registration Statement.

                                             /s/ Ernst & Young LLP
                                             -----------------------------------

Harrisburg, Pennsylvania
June 22, 1998


                        Consent of Independent Auditors

The Board of Directors
Sovereign Bancorp, Inc:

We consent to the incorporation by reference and to the reference to our firm
under the heading "Experts" in the Registration Statements (Form 8-K; Form S-4
No. 333-51813; and Form S-4 No. 333-50569) of Sovereign Bancorp, Inc. of our
report dated June 15, 1998, relating to the consolidated statements of financial
condition of ML Bancorp, Inc. and subsidiaries as of February 27, 1998, and
March 31, 1997, and the related consolidated statements of operations, cash
flows and changes in stockholders' equity for the eleven-month period ended
February 27, 1998 and for each year in the two-year period ended March 31, 1997.

                                                 /s/ KPMG Peat Marwick 
                                                 -------------------------------
Philadelphia, Pennsylvania
June 19, 1998   




© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission