UNITED NATIONAL BANCORP
8-K, 1998-09-28
NATIONAL COMMERCIAL BANKS
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) September 28, 1998


                             UNITED NATIONAL BANCORP
                             -----------------------
             (Exact name of registrant as specified in its charter)


                                   New Jersey
                 (State or other jurisdiction of incorporation)

         000-16931                                   22-2894827
- ------------------------                  --------------------------------- 
(Commission File Number)                  (IRS Employer Identification No.)

             1130 Route 22 East, Bridgewater, New Jersey 08807-0010
             -------------------------------------------------------
                    (Address of principal executive offices)

                                 (908) 429-2200
                                 --------------
              (Registrant's telephone number, including area code)


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<PAGE>


Item 5.  Other Events.

United  National  Bancorp,  United  National Bank,  Raritan Bancorp Inc. and The
Raritan  Savings Bank amended and restated  their Merger  Agreement  dated as of
September  22, 1998 (in  particular,  Section  7.1(g)  thereof) in order to more
accurately  reflect the parties'  intentions  regarding the circumstances  under
which  Raritan can terminate  the  Agreement  based on a drop in United's  stock
price.  The Amended and Restated  Merger  Agreement is attached as an exhibit to
this Current Report on Form 8-K.


<PAGE>

Item 7.   Exhibits.


     99(a)     Amended  and  Restatement  Agreement  and  Plan of  Merger  dated
               September 22, 1998 by and between United National Bancorp, United
               National Bank, Raritan Bancorp Inc. and the Raritan Savings Bank



                                   SIGNATURES

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                   UNITED NATIONAL BANCORP



Dated: September 28, 1998         By:  DONALD W. MALWITZ       
                                       -----------------------------------------
                                       Donald W. Malwitz
                                       Vice President and Treasurer

<PAGE>

                                INDEX TO EXHIBITS


Exhibit No.    Description
- -----------    -----------


     99(a)     Amendment  and  Restated  Agreement  and  Plan  of  Merger  dated
               September 22, 1998 by and between United National Bancorp, United
               National Bank, Raritan Bancorp Inc. and The Raritan Savings Bank





                AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER

                  THIS AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER,  dated
as of September 22, 1998 ("Agreement"),  is among United National Bancorp, a New
Jersey  corporation  and  registered  bank holding  company  ("United"),  United
National Bank, a national banking association  ("UNB"),  Raritan Bancorp Inc., a
Delaware  corporation and registered  bank holding  company  ("Raritan") and The
Raritan Savings Bank, a New Jersey-chartered stock savings bank (the "Bank").

                                    RECITALS

                  United  desires  to acquire  Raritan  and  Raritan's  Board of
Directors has  determined,  based upon the terms and conditions  hereinafter set
forth,  that  the  acquisition  is in the  best  interests  of  Raritan  and its
stockholders.  The  acquisition  will be  accomplished  by merging  Raritan into
United with United as the surviving  corporation and, at the same time,  merging
the Bank  into UNB with UNB as the  surviving  bank,  and  Raritan  stockholders
receiving the  consideration  hereinafter set forth.  The Boards of Directors of
Raritan,  United, the Bank and UNB have duly adopted and approved this Agreement
and the Board of Directors  of Raritan has directed  that it be submitted to its
stockholders for approval.

                  As a  condition  precedent  to entering  into this  Agreement,
United has required that Raritan grant it an option to purchase  authorized  but
unissued  shares of Raritan  common  stock  and,  as a  consequence,  United and
Raritan have entered into a Stock Option  Agreement,  dated the date hereof (the
"United Stock Option").

                  NOW,  THEREFORE,  intending to be legally  bound,  the parties
hereto agree as follows:

                                    ARTICLE I

                                   THE MERGER

                  1.1. The Merger.  Subject to the terms and  conditions of this
Agreement, at the Effective Time (as hereafter defined), Raritan shall be merged
with and into United (the "Merger") in accordance  with the New Jersey  Business
Corporation Act ("NJBCA") and the Delaware General  Corporation Law ("DGCL") and
United  shall  be  the  surviving  corporation  (the  "Surviving  Corporation").
Immediately following the Effective Time, the Bank shall be merged with and into
UNB as provided in Section 1.7 hereof.

                  1.2. Effect of the Merger. At the Effective Time (as hereafter
defined),  the Surviving  Corporation  shall be considered the same business and
corporate  entity as each of Raritan and United and thereafter all the property,
rights,  powers and  franchises  of each of Raritan and United shall vest in the
Surviving  Corporation and the Surviving  Corporation shall be subject to and be
deemed to have assumed all of the debts, liabilities,  obligations and duties of
each of Raritan  and United  and shall  have  succeeded  to all of each of their
relationships,  fiduciary  or  otherwise,  as fully and to the same extent as if
such property,  rights,  privileges,  powers,  franchises,  debts,  obligations,
duties and relationships had been originally acquired,  incurred or entered into
by the Surviving Corporation.

                  1.3.   Certificate  of   Incorporation.   The  certificate  of
incorporation  of United as it exists  immediately  prior to the Effective  Time
shall not be amended by the Merger,  but shall  continue as the  certificate  of
incorporation of the Surviving  Corporation  until otherwise amended as provided
by law.

                  1.4.  Bylaws.  The bylaws of United as they exist  immediately
prior to the  Effective  Date shall  continue  as the  by-laws of the  Surviving
Corporation until otherwise amended as provided by law.

                  1.5.  Directors  and  Officers.  The directors and officers of
United as of the Effective  Time shall continue as the directors and officers of
the  Surviving  Corporation,  with the  additions  provided  for in Section 5.15
hereof.

                  1.6 Closing Date,  Closing and Effective  Time;  Determination
Date.  Unless a different  date,  time and/or place are agreed to by the parties
hereto,  the  closing of the Merger  (the  "Closing")  shall take place at 10:00
a.m., at the office of Pitney,  Hardin, Kipp & Szuch,  Florham Park, New Jersey,
on a date (the "Closing  Date") which shall be the fifth  business day following
the first date (the "Determination  Date") on which all necessary regulatory and
governmental  approvals and consents have been received,  all statutory  waiting
periods  in  respect  thereof  have  expired,  and all other  conditions  to the
consummation  of the  Merger  specified  in Article  VI hereof  (other  than the
delivery of  certificates,  opinions and other  instruments  and documents to be
delivered at the Closing) have been satisfied or waived, or at such other place,
time or date as United and Raritan may  mutually  agree upon.  The Merger  shall
become  effective (and be  consummated)  upon the effective time (the "Effective
Time")  specified  by United and  Raritan  in the  certificates  of merger  (the
"Certificates of Merger"),  which shall be prepared by United,  shall be in form
and substance  satisfactory  to United and Raritan,  and shall be filed with the
Secretary of State of the State of New Jersey and with the Secretary of State of
the State of Delaware. The parties currently anticipate that the Certificates of
Merger shall specify as the effective  time the close of business on the Closing
Date.  If no  effective  time is specified in the  Certificates  of Merger,  the
Merger shall become effective (and be consummated) upon the later to be filed of
the two Certificates of Merger.

                  1.7.  The Bank Merger.  Immediately  following  the  Effective
Time,  the Bank  shall be  merged  with and  into  UNB (the  "Bank  Merger")  in
accordance  with the  provisions  of the  National  Bank Act and the New  Jersey
Banking  Act of 1948,  as  amended,  and UNB  shall be the  surviving  bank (the
"Surviving  Bank").  Upon the  consummation  of the Bank  Merger,  the  separate
existence of the Bank shall cease and the Surviving Bank shall be considered the
same  business and  corporate  entity as each of the Bank and UNB and all of the
property,  rights,  powers and franchises of each of the Bank and UNB shall vest
in the Surviving Bank and the Surviving Bank shall be deemed to have assumed all
of the debts,  liabilities,  obligations  and duties of each of the Bank and UNB
and shall have  succeeded  to all of each of their  relationships,  fiduciary or
otherwise,  as  fully  and to the  same  extent  as if  such  property,  rights,
privileges, powers, franchises, debts, obligations, duties and relationships had
been originally  acquired,  incurred or entered into by the Surviving Bank. Upon
the  consummation of the Bank Merger,  the articles of association and bylaws of
UNB shall become the articles of association  and bylaws of the Surviving  Bank,
the  officers and  employees  of UNB and the officers and  employees of the Bank
shall be the officers and employees of the Surviving Bank with such additions as
the Board of Directors of UNB shall determine, and the directors of UNB shall be
the  directors of the Surviving  Bank with the  additions  from the directors of
Raritan as specified herein. In connection with the execution of this Agreement,
the Bank and UNB shall  execute and  deliver a separate  merger  agreement  (the
"Bank Merger Agreement") in substantially the form of Exhibit A, annexed hereto,
for delivery to the appropriate  regulatory authorities for approval of the Bank
Merger.

                                   ARTICLE II
                 CONVERSION OF RARITAN COMMON STOCK AND OPTIONS

                  Each  share of  common  stock,  $.01  par  value,  of  Raritan
("Raritan  Common  Stock"),  issued  and  outstanding  immediately  prior to the
Effective  Time,  and each option to  purchase  shares of Raritan  Common  Stock
validly issued pursuant to the 1993 Stock Option Plan for Outside Directors, the
1993 Incentive  Stock Option Plan or the 1997 Long-Term  Incentive Stock Benefit
Plan (together, the "Raritan Option Plans") and outstanding immediately prior to
the Effective Time and listed on Section 3.2 of the Raritan Disclosure  Schedule
(each a "Raritan  Option") shall, by virtue of the Merger and without any action
on the part of the holder  thereof,  be converted or cancelled at the  Effective
Time in accordance with this Article II.

                  2.1 Conversion of Raritan Common Stock;  Exchange Ratio;  Cash
in Lieu of  Fractional  Shares.  Each share of Raritan  Common  Stock issued and
outstanding  immediately  prior to the Effective  Time,  other than shares to be
cancelled  pursuant to Section 2.4 hereof,  shall be converted into the right to
receive 1.45 (the "Exchange Ratio") shares of Common Stock,  $1.25 par value, of
United ("United  Common  Stock"),  subject to adjustment as set forth in Section
2.6 below. No fractional  shares of United Common Stock shall be issued pursuant
to the Merger,  and, in lieu  thereof,  each holder of Raritan  Common Stock who
would  otherwise be entitled to a fractional  interest will receive an amount in
cash  determined  by  multiplying  such  fractional   interest  by  the  Average
Pre-Closing  Price of United Common  Stock.  The "Average  Pre-Closing  Price of
United Common Stock" means the average of the "Closing  Prices" (as  hereinafter
defined) of United Common Stock for the ten consecutive full trading days ending
on (and including) the  Determination  Date.  "Closing Price" on any trading day
shall mean the closing  price of United  Common Stock on such day as supplied by
the Nasdaq Stock Market,  National Market System ("NASDAQ/NMS") (and reported in
The Wall  Street  Journal or, if not  reported  thereby,  another  authoritative
source as chosen by  United).  A "trading  day" shall mean any  business  day on
which United Common Stock is actually traded on NASDAQ/NMS.

                  2.2.     Exchange of Shares.

                  (a) Raritan and United hereby appoint The Bank of New York, or
such other bank as United (with the consent of Raritan,  which consent shall not
be unreasonably withheld) shall designate,  as the exchange agent (the "Exchange
Agent") for purposes of effecting  the  conversion  of Raritan  Common Stock and
Raritan Options.  As soon as practicable  after the Effective Time, but no later
than five business days after the Effective  Time, the Exchange Agent shall mail
to each holder of record (a "Record  Holder") of a Certificates  or Certificates
which, immediately prior to the Effective Time represented outstanding shares of
Raritan  Common  Stock (the  "Certificates"),  a mutually  agreed upon letter of
transmittal  (which shall specify that delivery  shall be effected,  and risk of
loss and  title to the  Certificates  shall  pass,  only  upon  delivery  of the
Certificates to the Exchange  Agent),  and instructions for use in effecting the
surrender of the  Certificates  in exchange for United Common Stock (and cash in
lieu of fractional shares) as provided in Section 2.1 hereof.

                  (b)  Upon   surrender   of   Certificates   for  exchange  and
cancellation  to the Exchange  Agent,  together with such letter of transmittal,
duly  executed,  the Record  Holder  shall be entitled  to  promptly  receive in
exchange  for such  Certificates  the  consideration  as provided in Section 2.1
hereof and the Certificates so surrendered shall be canceled. The Exchange Agent
shall not be obligated to deliver or cause to be delivered to any Record  Holder
the  consideration to which such Record Holder would otherwise be entitled until
such Record  Holder  surrenders  the  Certificates  for  exchange or, in default
thereof, an appropriate  Affidavit of Loss and Indemnity Agreement and/or a bond
as may be reasonably  required in each case by United.  Notwithstanding the time
of surrender of the Certificates, Record Holders shall be deemed stockholders of
United for all  purposes  from the  Effective  Time,  except that  United  shall
withhold  the  payment of  dividends  from any Record  Holder  until such Record
Holder  effects the exchange of  Certificates  for United  Common  Stock.  (Such
Record Holder shall  receive such withheld  dividends,  without  interest,  upon
effecting the share exchange.)

                  (c) After the Effective  Time,  there shall be no transfers on
the stock  transfer books of Raritan of the shares of Raritan Common Stock which
were  outstanding   immediately   prior  to  the  Effective  Time  and,  if  any
Certificates  representing such shares are presented for transfer, they shall be
canceled and exchanged for the consideration as provided in Section 2.1 hereof.

                  (d) If payment of the  consideration  pursuant  to Section 2.1
hereof  is to be made  in a name  other  than  that in  which  the  Certificates
surrendered in exchange therefor is registered,  it shall be a condition of such
payment that the  Certificates  so  surrendered  shall be properly  endorsed (or
accompanied  by an  appropriate  instrument of transfer) and otherwise in proper
form for transfer,  and that the person requesting such payment shall pay to the
Exchange  Agent in advance any transfer or other taxes required by reason of the
payment to a person other than that of the registered holder of the Certificates
surrendered,  or  required  for any  other  reason,  or shall  establish  to the
satisfaction  of the  Exchange  Agent  that  such  tax has  been  paid or is not
payable.

                  (e)  With  respect  to each  outstanding  Raritan  Option  the
Exchange Agent shall,  after the Effective  Time,  distribute to the Optionee an
amendment  to the option  grant  evidencing  the  conversion  of the grant to an
option to purchase United Common Stock in accordance with Section 2.7 hereof.

                  2.3. No Dissenters' Rights.  Consistent with the provisions of
the DGCL, no stockholder of Raritan shall have appraisal  rights with respect to
the Merger.

                  2.4. Cancelled Shares.  Each share of Raritan Common Stock (i)
which is held by Raritan as treasury  stock or (ii) which is held by Bank or any
other direct or indirect subsidiary of Bank (except as trustee or in a fiduciary
capacity) or (iii) which is held by United, shall be canceled and retired at the
Effective Time.

                  2.5.  United  Shares.   The  shares  of  United  Common  Stock
outstanding at the Effective Time shall not be affected by the Merger, but along
with the  additional  shares of United  Common Stock to be issued as provided in
Section 2.1 hereof,  shall become the outstanding  common stock of the Surviving
Corporation.

                  2.6  Anti-Dilution  Adjustments.  The  Exchange  Ratio and the
Average Pre-Closing Price of United Common Stock shall be appropriately adjusted
for any stock split,  stock dividend,  stock  combination,  reclassification  or
similar transaction ("Capital Change") effected by United with respect to United
Common  Stock  between  the  date  hereof  and  the  Effective  Time.  By way of
illustration, the Exchange Ratio determined pursuant to Section 2.1 hereof shall
be adjusted  upward by 10% (to 1.595) upon the payment of the 10% stock dividend
which United  declared on September 15, 1998 and which is payable on November 2,
1998 to United  shareholders  of record as of October 15, 1998. In addition,  if
United enters into an agreement  pursuant to which shares of United Common Stock
would be converted, prior to the Effective Time, into shares or other securities
or obligations of another  corporation,  proper  provision shall be made in such
agreement so that each Raritan  stockholder  shall be entitled to receive at the
Effective  Time  such  number  of  shares  or  other  securities  or  amount  of
obligations of such other  corporation as such stockholder  would be entitled to
receive if the Effective Time had occurred immediately prior to the consummation
of such conversion.

                  2.7.  Raritan  Stock  Options.  At the  Effective  Time,  each
outstanding  Raritan Option held by any person (an "Optionee") under the Raritan
Option Plans shall be converted into a option to purchase United Common Stock (a
"Stock  Option"),  wherein  (x) the right to purchase  shares of Raritan  Common
Stock  pursuant  to the  Raritan  Option  shall be  converted  into the right to
purchase  that same number of shares of United  Common Stock  multiplied  by the
Exchange  Ratio,  (y) the option exercise price per share of United Common Stock
shall be the previous  option  exercise  price per share of Raritan Common Stock
divided by the Exchange Ratio and (z) in all other material  respects the option
shall be subject to the same terms and conditions as governed the Raritan Option
on which it was based,  including the length of time within which the option may
be exercised and for any options which are "incentive stock options" (as defined
in Section 422 of the Internal  Revenue Code of 1986, as amended (the  "Code")),
the  adjustments  shall be and are  intended to be effected in a manner which is
consistent  with  Section  424(a) of the Code.  Shares  of United  Common  Stock
issuable  upon  exercise  of Stock  Options  shall be  covered  by an  effective
registration  statement  on Form  S-8,  and  United  shall  file a  registration
statement  on Form S-8  covering  such shares as soon as  practicable  after the
Effective Time, but in no event later than 45 days after the Effective Time.

                                   ARTICLE III
                    REPRESENTATIONS AND WARRANTIES OF RARITAN

                  References herein to "Raritan Disclosure  Schedule" shall mean
all of the  disclosure  schedules  required by this Article III, dated as of the
date hereof and referenced to the specific  sections and  subsections of Article
III of this  Agreement,  which have been delivered on the date hereof by Raritan
to United. Raritan hereby represents and warrants to United as follows:

                  3.1.     Corporate Organization.

                  (a) Raritan is a corporation duly organized,  validly existing
and in good  standing  under the laws of the State of Delaware.  Raritan has the
corporate  power and authority to own or lease all of its  properties and assets
and to carry on its business as it is now being  conducted  and is duly licensed
or  qualified  to do  business in each  jurisdiction  in which the nature of the
business  conducted  by it or the  character or location of the  properties  and
assets owned or leased by it makes such  licensing or  qualification  necessary,
except  where  the  failure  to be so  licensed  or  qualified  would not have a
material  adverse  effect  on the  business,  operations,  assets  or  financial
condition of Raritan on a  consolidated  basis.  Raritan is registered as a bank
holding company under the Bank Holding Company Act of 1956, as amended ("BHCA").

                  (b) Each of the  Subsidiaries  of  Raritan  are  listed in the
Raritan Disclosure Schedule. The term "Subsidiary",  when used in this Agreement
with respect to Raritan,  means any  corporation,  joint  venture,  association,
partnership,  trust or other entity in which Raritan has, directly or indirectly
at least a 50% interest or acts as a general partner. Each Subsidiary of Raritan
is duly organized,  validly  existing and in good standing under the laws of its
state of incorporation.  The Bank is a New  Jersey-chartered  stock savings bank
whose deposits are insured to the fullest extent permitted by law by the Savings
Association Insurance Fund of the Federal Deposit Insurance Corporation ("SAIF")
for certain deposits, and by the Bank Insurance Fund of the FDIC (the "BIF") for
the remaining  deposits,  in each case to the fullest  extent  permitted by law.
Each Subsidiary of Raritan has the corporate power and authority to own or lease
all of its properties and assets and to carry on its business as it is now being
conducted and is duly licensed or qualified to do business in each  jurisdiction
in which the nature of the business conducted by it or the character or location
of the  properties  and  assets  owned or leased by it makes such  licensing  or
qualification necessary, except where the failure to be so licensed or qualified
would not have a material adverse effect on the business,  operations, assets or
financial condition of Raritan and its Subsidiaries on a consolidated basis. The
Raritan  Disclosure  Schedule  sets  forth  true  and  complete  copies  of  the
Certificates  of  Incorporation  or  Charter,  as the case may be, and Bylaws of
Raritan and each Raritan  Subsidiary as in effect on the date hereof.  Except as
set forth in the Raritan Disclosure  Schedule,  Raritan does not own or control,
directly  or  indirectly,  any  equity  interest  in any  corporation,  company,
association, partnership, joint venture or other entity and owns no real estate,
except (i) residential real estate acquired through  foreclosure or deed in lieu
of  foreclosure in each  individual  instance with a fair market value less than
$500,000 and (ii) real estate used for its banking premises.

                  3.2.     Capitalization.

                  The authorized  capital stock of Raritan consists of 3,500,000
shares of Raritan Common Stock and 2,00,000 shares of preferred stock,  $.01 par
value per share ("Raritan Preferred Stock").  As of the date hereof,  there were
2,373,569  shares of Raritan  Common Stock issued and  outstanding,  and 214,405
shares issued and held in the treasury, and no shares of Raritan Preferred Stock
outstanding.  As of the date hereof, there were 264,812 shares of Raritan Common
Stock  issuable  upon  exercise of  outstanding  Raritan  Options  (the  "Option
Shares")  granted to,  directors and officers of Raritan or the Bank pursuant to
the Raritan  Option Plans.  The Raritan  Disclosure  Schedule sets forth (i) all
options  which may be  exercised  for  issuance of Raritan  Common Stock and the
terms upon which the options may be exercised, and (ii) true and complete copies
of each of the Raritan  Option  Plans and a specimen  of each form of  agreement
pursuant to which any outstanding stock option was granted,  including a list of
each  outstanding  stock  option  issued  pursuant   thereto.   All  issued  and
outstanding  shares of Raritan  Common  Stock,  and all  issued and  outstanding
shares of capital stock of each Raritan  Subsidiary,  have been duly  authorized
and validly issued,  are fully paid, and  nonassessable.  The authorized capital
stock of the Bank consists of 10,000,000 shares of common stock, $2.00 par value
and no shares of preferred stock. All of the outstanding shares of capital stock
of each  Raritan  Subsidiary  are owned by Raritan and are free and clear of any
liens,  encumbrances,  charges,  restrictions or rights of third parties. Except
for the Raritan  Options and the United Stock  Option,  neither  Raritan nor any
Raritan  Subsidiary has or is bound by any outstanding  subscriptions,  options,
warrants,  calls,  commitments  or agreements  of any character  calling for the
transfer,  purchase or issuance of any shares of capital stock of Raritan or any
Raritan  Subsidiary  or any  securities  representing  the right to  purchase or
otherwise receive any shares of such capital stock or any securities convertible
into or representing the right to purchase or subscribe for any such shares, and
there are no  agreements  or  understandings  with respect to voting of any such
shares.

                  3.3.     Authority; No Violation.

                  (a)  Subject  to  the  approval  of  this  Agreement  and  the
transactions  contemplated hereby by the stockholders of Raritan, and subject to
the parties obtaining all necessary regulatory  approvals,  Raritan and the Bank
have full  corporate  power and authority to execute and deliver this  Agreement
and to consummate the  transactions  contemplated  hereby in accordance with the
terms hereof.  The execution and delivery of this Agreement and the consummation
of the transactions  contemplated  hereby have been duly and validly approved by
the Board of  Directors  of each of  Raritan  and the Bank.  The  execution  and
delivery of the Bank Merger  Agreement has been duly and validly approved by the
Board of Directors of the Bank. Except for the approvals  described in paragraph
(b) below, no other corporate proceedings on the part of Raritan or the Bank are
necessary to consummate the transactions contemplated hereby. This Agreement has
been duly and  validly  executed  and  delivered  by Raritan  and the Bank,  and
constitutes valid and binding  obligations of Raritan and the Bank,  enforceable
against Raritan and the Bank in accordance with its terms,  except to the extent
that enforcement may be limited by (i) bankruptcy,  insolvency,  reorganization,
moratorium, conservatorship, receivership or other similar laws now or hereafter
in  effect  relating  to or  affecting  the  enforcement  of  creditors'  rights
generally or the rights of creditors of New Jersey-chartered savings banks, (ii)
general  equitable  principles,  and  (iii)  laws  relating  to the  safety  and
soundness of insured  depository  institutions and except that no representation
is made as to the effect or  availability  of equitable  remedies or  injunctive
relief.

                  (b) Neither the  execution  and delivery of this  Agreement by
Raritan  and the  Bank,  nor the  consummation  by  Raritan  and the Bank of the
transactions  contemplated  hereby  in  accordance  with the  terms  hereof,  or
compliance by Raritan and the Bank with any of the terms or  provisions  hereof,
will (i)  violate any  provision  of  Raritan's  or the Bank's  Certificates  of
Incorporation or Charter,  as the case may be, or Bylaws, (ii) assuming that the
consents and approvals set forth below are duly  obtained,  violate any statute,
code, ordinance,  rule, regulation,  judgment, order, writ, decree or injunction
applicable  to  Raritan  or the Bank or any of their  respective  properties  or
assets,  or (iii)  except  as set  forth  in the  Raritan  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 the  creation  of any  lien,  security
interest,  charge or other encumbrance upon any of the respective  properties or
assets of Raritan or the Bank under, any of the terms,  conditions or provisions
of any note, bond, mortgage, indenture, deed of trust, license, lease, agreement
or other instrument or obligation to which Raritan or the Bank is a party, or by
which either or both of them or any of their respective properties or assets may
be bound or  affected  except,  with  respect to (ii) and (iii)  above,  such as
individually and in the aggregate will not have a material adverse effect on the
business,   operations,  assets  or  financial  condition  of  Raritan  and  its
Subsidiaries  on a consolidated  basis,  and which will not prevent or delay the
consummation of the transactions  contemplated  hereby.  Except for consents and
approvals  of or  filings  or  registrations  with or  notices  to the OCC,  the
Commissioner of Banking and Insurance of the State of New Jersey  (together with
the  Department  of Banking and  Insurance,  the  "Commissioner"),  the Board of
Governors of the Federal  Reserve  System  ("FRB"),  the Securities and Exchange
Commission ("SEC"), applicable state securities bureaus or commissions,  the New
Jersey Secretary of State, the Delaware Secretary of State, and the stockholders
of Raritan,  no consents or  approvals  of or filings or  registrations  with or
notices to any third  party or any public body or  authority  are  necessary  on
behalf of Raritan or the Bank in connection  with (x) the execution and delivery
by Raritan and the Bank of this  Agreement and (y) the  consummation  by Raritan
and the Bank of the transactions  contemplated  hereby and (z) the execution and
delivery by the Bank of the Bank Merger  Agreement and the  consummation  by the
Bank of the transactions contemplated thereby.

                  3.4.     Financial Statements.

                  (a) The Raritan  Disclosure  Schedule sets forth copies of the
consolidated  statements  of condition of Raritan as of December 31, 1995,  1996
and 1997,  and the  related  consolidated  statements  of income,  stockholders'
equity and cash flows for the  periods  ended  December  31 in each of the three
years 1995 through  1997, in each case  accompanied  by the audit report of KPMG
Peat Marwick LLP,  independent public  accountants with respect to Raritan,  and
the  unaudited  consolidated  statements  of condition of Raritan as of June 30,
1998 and  related  unaudited  consolidated  statements  of  income,  changes  in
stockholders' equity and cash flows for the six months then ended as reported in
Raritan's Quarterly Report on Form 10-Q, filed with the SEC under the Securities
and  Exchange  Act of 1934,  as amended  (the  "1934  Act")  (collectively,  the
"Raritan Financial Statements"). The Raritan Financial Statements (including the
related  notes)  have  been  prepared  in  accordance  with  generally  accepted
accounting principles ("GAAP") consistently applied during the periods involved,
and fairly  present the  consolidated  financial  condition of Raritan as of the
respective dates set forth therein, and the related  consolidated  statements of
income,  stockholders'  equity and cash flows fairly  present the results of the
consolidated operations,  stockholders' equity and cash flows of Raritan for the
respective periods set forth therein.

                  (b) The books and records of Raritan and its Subsidiaries have
been and are being  maintained in material  compliance with applicable legal and
accounting requirements, and reflect only actual transactions.

                  (c)  Except  as and  to the  extent  reflected,  disclosed  or
reserved  against  in the  Raritan  Financial  Statements  (including  the notes
thereto),  as of June 30, 1998 neither Raritan nor any of its  Subsidiaries  had
any material  liabilities,  whether absolute,  accrued,  contingent or otherwise
material to the business,  operations,  assets or financial condition of Raritan
or any of its Subsidiaries.  Since June 30, 1998 and to the date hereof, neither
Raritan nor any of its  Subsidiaries  have  incurred  any  material  liabilities
except in the ordinary  course of business and consistent  with prudent  banking
practice, except as specifically contemplated by this Agreement.

                  3.5.  Brokerage  Fees;  Financial  Advisor.   Other  than  The
Endicott Financial Advisors, L.L.C. ("Endicott"), neither Raritan nor any of its
Subsidiaries nor any of their respective  directors or officers has employed any
broker or finder or incurred any  liability for any broker's or finder's fees or
commissions  in connection  with any of the  transactions  contemplated  by this
Agreement.  Copies of Raritan's  agreements  with  Endicott are set forth in the
Raritan  Disclosure  Schedule.  Endicott  has  delivered  to Raritan its written
opinion with respect to the  fairness,  from a financial  point of view,  of the
Exchange Ratio to the  shareholders of Raritan in the Merger.  There are no fees
(other than time charges  billed at usual and  customary  rates)  payable to any
consultants,   including  lawyers  and  accountants,  in  connection  with  this
transaction or which would be triggered by consummation  of this  transaction or
the  termination  of the services of such  consultants  by Raritan or any of its
Subsidiaries other than fees which will be payable by Raritan to Endicott.

                  3.6.     Absence of Certain Changes or Events.

                  (a)  There  has not been any  material  adverse  change in the
business,   operations,  assets  or  financial  condition  of  Raritan  and  its
Subsidiaries  on a  consolidated  basis since June 30,  1998 and,  to  Raritan's
knowledge,  no facts or  conditions  exist  (other  than  regional  or  national
economic conditions which affect financial institutions generally) which Raritan
believes will cause or is likely to cause such a material  adverse change in the
future.

                  (b) Except as set forth in the  Raritan  Disclosure  Schedule,
neither  Raritan nor any of its  Subsidiaries  has taken or permitted any of the
actions  set forth in Section  5.2  hereof  between  June 30,  1998 and the date
hereof and Raritan and the Raritan  Subsidiaries  have conducted  their business
only in the ordinary course, consistent with past practice.

                  3.7.  Legal  Proceedings.  Except as  disclosed in the Raritan
Disclosure  Schedule,  neither Raritan nor any of its Subsidiaries is a party to
any, and there are no pending or, to  Raritan's  knowledge,  threatened,  legal,
administrative,  arbitral or other proceedings,  claims, actions or governmental
investigations of any nature ("Legal Proceedings") against Raritan or any of its
Subsidiaries.  Except as disclosed in the Raritan Disclosure  Schedule,  neither
Raritan nor any of its Subsidiaries is a party to any order,  judgment or decree
entered against Raritan or any Raritan Subsidiary in any Legal Proceeding.

                  3.8.     Taxes and Tax Returns.

                  (a) Raritan and each Raritan  Subsidiary  have duly filed (and
until  the  Effective  Time will so file) all  returns,  declarations,  reports,
information returns and statements  ("Returns")  required to be filed by them in
respect of any  federal,  state and local taxes  (including  withholding  taxes,
penalties  or other  payments  required)  and each has duly paid (and  until the
Effective Time will so pay) all such taxes due and payable,  other than taxes or
other charges which are being  contested in good faith (and  disclosed to United
in writing). Raritan and each Raritan Subsidiary have established (and until the
Effective  Time will  establish)  on their  books and records  reserves  for the
payment  of all  federal,  state and local  taxes not yet due and  payable,  but
incurred  in respect of Raritan or any  Raritan  Subsidiary  through  such date,
which  reserves  are, to the knowledge of Raritan,  adequate for such  purposes.
Except as set forth in the Raritan Disclosure  Schedule,  the federal income tax
returns of Raritan  and its  Subsidiaries  have been  examined  by the  Internal
Revenue  Service (the "IRS") (or are closed to examination due to the expiration
of the applicable statute of limitations) and no deficiencies were asserted as a
result  of such  examinations  which  have not been  resolved  and paid in full.
Except as set forth in the Raritan  Disclosure  Schedule,  the applicable  state
income tax returns of Raritan  and its  Subsidiaries  have been  examined by the
applicable  authorities  (or are closed to examination  due to the expiration of
the statute of  limitations)  and no  deficiencies  were asserted as a result of
such  examinations  which  have not  been  resolved  and  paid in  full.  To the
knowledge  of  Raritan,  there are no audits  or other  administrative  or court
proceedings presently pending nor any other disputes pending, or claims asserted
for,  taxes or  assessments  upon  Raritan or any of its  Subsidiaries,  nor has
Raritan or any of its Subsidiaries  given any currently  outstanding  waivers or
comparable consents regarding the application of the statute of limitations with
respect to any taxes or Returns.

                  (b) Except as set forth in the  Raritan  Disclosure  Schedule,
neither Raritan nor any of its  Subsidiaries  (i) has requested any extension of
time within  which to file any tax Return which Return has not since been filed,
(ii) is a party to any  agreement  providing  for the  allocation  or sharing of
taxes, (iii) is required to include in income any adjustment pursuant to Section
481(a)  of the  Code,  by reason of a  voluntary  change  in  accounting  method
initiated  by Raritan  or any  Raritan  Subsidiary  (nor does  Raritan  have any
knowledge that the IRS has proposed any such  adjustment or change of accounting
method) or (iv) has filed a consent  pursuant  to Section  341(f) of the Code or
agreed to have Section 341(f)(2) of the Code apply.

                  3.9.     Employee Benefit Plans.

                  (a) Except as  disclosed in the Raritan  Disclosure  Schedule,
neither  Raritan nor any of its  Subsidiaries  maintains or  contributes  to any
"employee  pension  benefit plan",  within the meaning of Section 3(2)(A) of the
Employee  Retirement  Income  Security Act of 1974,  as amended  ("ERISA")  (the
"Raritan Pension Plans"), "employee welfare benefit plan", within the meaning of
Section 3(1) of ERISA (the "Raritan  Welfare  Plans"),  stock option plan, stock
purchase  plan,  deferred   compensation  plan,   severance  plan,  bonus  plan,
employment  agreement or other similar  plan,  program or  arrangement.  Neither
Raritan nor any of its Subsidiaries has, since September 2, 1974, contributed to
any "Multiemployer Plan", within the meaning of Sections 3(37) and 4001(a)(3) of
ERISA.

                  (b) Raritan has delivered to United in the Raritan  Disclosure
Schedule a complete and accurate copy of each of the  following  with respect to
each of the Raritan Pension Plans and Raritan Welfare Plans:  (i) plan document,
summary  plan  description,  and  summary  of  material  modifications  (if  not
available,  a detailed  description of the  foregoing);  (ii) trust agreement or
insurance contract,  if any; (iii) most recent IRS determination letter, if any;
(iv) most recent actuarial  report, if any; and (v) most recent annual report on
Form 5500.

                  (c) The present value of all accrued  benefits both vested and
non-vested under each of the Raritan Pension Plans subject to Title IV of ERISA,
based  upon the  actuarial  assumptions  used for  purposes  of the most  recent
actuarial  valuation  prepared by such Raritan Pension Plan's  actuary,  did not
exceed the then  current  value of the assets of such  plans  allocable  to such
accrued benefits. To the best of Raritan's knowledge,  the actuarial assumptions
then  utilized for such plans were  reasonable  and  appropriate  as of the last
valuation date and reflect then current market conditions.

                  (d) During the last six years,  the Pension  Benefit  Guaranty
Corporation  (the  "PBGC")  has not  asserted  any claim for  liability  against
Raritan or any of its Subsidiaries which has not been paid in full.

                  (e) All premiums (and interest  charges and penalties for late
payment,  if  applicable)  due to the PBGC with respect to each Raritan  Pension
Plan have been  paid.  All  contributions  required  to be made to each  Raritan
Pension Plan under the terms  thereof,  ERISA or other  applicable law have been
timely made, and all amounts  properly accrued to date as liabilities of Raritan
and its Subsidiaries which have not been paid have been properly recorded on the
books of Raritan and its Subsidiaries.

                  (f) Except as  disclosed on the Raritan  Disclosure  Schedule,
each of the Raritan Pension Plans, the Raritan Welfare Plans and each other plan
and arrangement  identified on the Raritan Disclosure Schedule has been operated
in compliance in all material  respects with the provisions of ERISA,  the Code,
all regulations, rulings and announcements promulgated or issued thereunder, and
all other applicable governmental laws and regulations. Furthermore, the IRS has
issued a favorable determination letter, which takes into account the Tax Reform
Act of 1986 and subsequent  legislation  through the date of such  determination
letter,  with  respect to each of the Raritan  Pension  Plans and Raritan is not
aware of any fact or  circumstance  which would  disqualify any such plan,  that
could not be  retroactively  corrected (in accordance with the procedures of the
IRS).

                  (g) To the  knowledge  of  Raritan,  within  the past two plan
years no non-exempt prohibited  transaction,  within the meaning of Section 4975
of the Code or Section 406 of ERISA,  has  occurred  with  respect to any of the
Raritan Welfare Plans or Raritan Pension Plans.

                  (h) No Raritan  Pension Plan or any trust  created  thereunder
has been  terminated,  nor have there been any "reportable  events",  within the
meaning of Section 4034(b) of ERISA,  with respect to any of the Raritan Pension
Plans.

                  (i) To the  knowledge  of  Raritan,  no  "accumulated  funding
deficiency",  within the meaning of Section 412 of the Code,  has been  incurred
with respect to any of the Raritan Pension Plans.

                  (j) There are no  pending,  or, to the  knowledge  of Raritan,
threatened or anticipated claims (other than routine claims for benefits) by, on
behalf of or against any of the  Raritan  Pension  Plans or the Raritan  Welfare
Plans, any trusts related thereto or any other plan or arrangement identified in
the Raritan Disclosure Schedule.

                  (k) Except as disclosed in the Raritan Disclosure Schedule, no
Raritan Pension or Welfare Plan provides  medical or death benefits  (whether or
not insured)  beyond an employee's  retirement or other  termination of service,
other  than (i)  coverage  mandated  by law,  or (ii) death  benefits  under any
Raritan Pension Plan.

                  (l)  Except  with  respect  to  customary  health,   life  and
disability  benefits or as disclosed in the Raritan Disclosure  Schedule,  there
are no unfunded  benefits  obligations  which are not  accounted for by reserves
shown on the  Raritan  Financial  Statements  and  established  under  GAAP,  or
otherwise noted on such financial statements.

                  (m) Except as  disclosed in the Raritan  Disclosure  Schedule,
with respect to each Raritan  Pension and Welfare Plan that is funded  wholly or
partially through an insurance policy,  there will be no liability of Raritan or
any Raritan  Subsidiary as of the Effective Time under any such insurance policy
or ancillary  agreement with respect to such insurance policy in the nature of a
retroactive  rate  adjustment,  loss  sharing  arrangement  or other  actual  or
contingent  liability  arising wholly or partially out of events occurring prior
to the Effective Time.

                  (n) Except as  hereafter  agreed to by United in writing or as
disclosed  on  the  Raritan  Disclosure   Schedule,   the  consummation  of  the
transactions  contemplated by this Agreement will not (i) entitle any current or
former  employee  of  Raritan  or  any  Raritan  Subsidiary  to  severance  pay,
unemployment compensation or any similar payment, or (ii) accelerate the time of
payment,  accelerate the vesting, or increase the amount, of any compensation or
benefits  due to any  current  employee  or former  employee  under any  Raritan
Pension Plan or Raritan Welfare Plan.

                  3.10.    Reports.

                  (a) The Raritan Disclosure  Schedule lists, and as to item (i)
below Raritan has  previously  delivered or made  available to United a complete
copy of, each (i) final registration statement, prospectus, annual, quarterly or
special report and definitive  proxy statement filed by Raritan since January 1,
1995 pursuant to the  Securities  Act of 1933, as amended  ("1933 Act"),  or the
1934 Act and (ii) communication (other than general advertising materials, press
releases and dividend  checks) mailed by Raritan to its  shareholders as a class
since January 1, 1995.

                  (b) Since  January 1, 1995,  (i) Raritan has filed all reports
that it was  required to file with the SEC under the 1934 Act,  and (ii) Raritan
and the Bank each has duly filed all material forms, reports and documents which
they were required to file with each agency  charged with  regulating any aspect
of their  business,  in each case in form  which  was  correct  in all  material
respects, and, subject to permission from such regulatory  authorities,  Raritan
promptly will deliver or make available to United  accurate and complete  copies
of such  reports.  As of their  respective  dates,  each such form,  report,  or
document  referred  to in either of clauses  (i) or (ii)  above,  and each final
registration  statement,   prospectus,  annual,  quarterly  or  special  report,
definitive proxy statement or communication referred to in either of clauses (i)
or (ii) of  paragraph  (b) above,  complied in all  material  respects  with all
applicable  statutes,  rules and  regulations  and did not  contain  any  untrue
statement of a material  fact or omit to state any material  fact required to be
stated  therein or necessary in order to make the  statements  made therein,  in
light of the circumstances under which they were made, not misleading;  provided
that  information  contained  in any such  document  as of a later date shall be
deemed to modify  information  as of an earlier  date.  The  Raritan  Disclosure
Schedule lists the dates of all examinations of Raritan or the Bank conducted by
either the  Commissioner  or the FDIC since January 1, 1995 and the dates of any
responses thereto submitted by Raritan or the Bank.

                  3.11. Raritan and Bank Information.  The information  relating
to Raritan and the Bank to be contained in the Joint Proxy  Statement/Prospectus
(as defined in Section 5.6(a) hereof) to be delivered to stockholders of Raritan
and  United  in  connection  with the  solicitation  of their  approval  of this
Agreement and the transactions  contemplated  hereby,  as of the dates the Joint
Proxy  Statement/Prospectus  is mailed to  stockholders  of Raritan  and United,
respectively, and up to and including the dates of each of the meetings to which
such Joint  Proxy  Statement/Prospectus  relates,  will not  contain  any untrue
statement of a material fact or omit to state a material fact  necessary to make
the  statements  therein,  in light of the  circumstances  under which they were
made, not misleading.

                  3.12.    Compliance with Applicable Law.

                  (a)  General.  Except as set forth in the  Raritan  Disclosure
Schedule,  each of Raritan  and the  Raritan  Subsidiaries  holds all  licenses,
franchises,  permits and authorizations  necessary for the lawful conduct of its
business under and pursuant to each, and has complied with and is not in default
in any respect under any,  applicable law,  statute,  order,  rule,  regulation,
policy and/or guideline of any federal,  state or local  governmental  authority
relating to Raritan or any of its  Subsidiaries  (other than where such defaults
or  non-compliances  will not, alone or in the  aggregate,  result in a material
adverse  effect on the business,  operations,  assets or financial  condition of
Raritan  and its  Subsidiaries  on a  consolidated  basis) and  Raritan  has not
received  notice of violation of, and does not know of any violations of, any of
the above.

                  (b) CRA. Without limiting the foregoing,  to its knowledge the
Bank has complied in all material  respects with the Community  Reinvestment Act
("CRA")  and Raritan  has  received  no written  notice that any person or group
would object to the  consummation of a merger  involving the Bank due to the CRA
performance of or rating of the Bank. Except as listed on the Raritan Disclosure
Schedule  to the  knowledge  of the  Bank,  no  person  or group  has  adversely
commented upon the Bank's CRA  performance.  The most recent CRA rating received
by the Bank was "Satisfactory."

                  3.13.    Certain Contracts.

                  (a) Except as  disclosed  in the Raritan  Disclosure  Schedule
under  this  Section  or  Section  3.5,  (i)  neither  Raritan  nor any  Raritan
Subsidiary  is a party to or bound by any  contract  or  understanding  (whether
written or oral) with respect to the employment or termination of any present or
former officers,  employees,  directors or consultants and (ii) the consummation
of the  transactions  contemplated  by this  Agreement will not (either alone or
upon the  occurrence  of any  additional  acts or events)  result in any payment
(whether of severance pay or otherwise) becoming due from Raritan or any Raritan
Subsidiary to any officer, employee, director or consultant thereof. The Raritan
Disclosure  Schedule  sets  forth  true and  correct  copies  of all  employment
agreements or termination  agreements with officers,  employees,  directors,  or
consultants to which Raritan or any Raritan Subsidiary is a party.

                  (b) Except as  disclosed in the Raritan  Disclosure  Schedule,
(i) as of the date of this Agreement, neither Raritan nor any Raritan Subsidiary
is a party to or bound by any commitment,  agreement or other  instrument  which
contemplates  the  payment by Raritan or any  Raritan  Subsidiary  of amounts in
excess of $100,000,  or which has a term extending  beyond  November 1, 1998 and
cannot be terminated by Raritan or its subsidiary  without  consent of the other
party  thereto,  (ii) no  commitment,  agreement  or other  instrument  to which
Raritan or any  Raritan  Subsidiary  is a party or by which any of them is bound
limits the freedom of Raritan or any Raritan  Subsidiary  to compete in any line
of  business  or with any  person,  and (iii)  neither  Raritan  nor any Raritan
Subsidiary is a party to any collective bargaining agreement.

                  (c) Except as  disclosed in the Raritan  Disclosure  Schedule,
neither Raritan nor any Raritan Subsidiary nor, to the knowledge of Raritan, any
other party  thereto,  is in default in any material  respect under any material
lease,  contract,  mortgage,  promissory  note,  deed of  trust,  loan or  other
commitment or arrangement.

                  3.14.    Properties and Insurance.

                  (a) Raritan and its  Subsidiaries  have good,  and as to owned
real property marketable,  title to all material assets and properties,  whether
real or personal,  tangible or intangible,  reflected in Raritan's  consolidated
balance  sheet as of June 30,  1998,  or owned and 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 June 30, 1998),  subject to
no encumbrances,  liens,  mortgages,  security interests or pledges,  except (i)
those items that secure  liabilities that are reflected in such balance sheet or
the notes thereto or incurred in the ordinary  course of business after the date
of such balance sheet,  (ii)  statutory  liens for amounts not yet delinquent or
which are  being  contested  in good  faith,  (iii)  such  encumbrances,  liens,
mortgages,  security interests,  pledges and title imperfections that are not in
the  aggregate  material to the  business,  operations,  assets,  and  financial
condition of Raritan and its Subsidiaries taken as a whole and (iv) with respect
to owned real property,  title imperfections noted in title reports delivered to
United prior to the date hereof.  Raritan and its  Subsidiaries  as lessees have
the right under valid and subsisting leases to occupy,  use, possess and control
all  property  leased by them in all material  respects as  presently  occupied,
used, possessed and controlled by them.

                  (b) The  Raritan  Disclosure  Schedule  lists all  policies of
insurance and bonds covering  business  operations and all insurable  properties
and assets of Raritan and its Subsidiaries showing all risks insured against, in
each case under  valid,  binding and  enforceable  policies or bonds,  with such
amounts and such  deductibles as are specified.  As of the date hereof,  neither
Raritan nor any of its  Subsidiaries  has received any notice of cancellation or
notice of a material  amendment  of any such  insurance  policy or bond or is in
default under such policy or bond, no coverage  thereunder is being disputed and
all material claims thereunder have been filed in a timely fashion.

                  3.15.  Minute  Books.  The  minute  books of  Raritan  and its
Subsidiaries  contain records that are accurate in all material  respects of all
meetings and other corporate  action held of their  respective  stockholders and
Boards  of  Directors  (including  committees  of  their  respective  Boards  of
Directors).

                  3.16.  Environmental  Matters.  Except  as  set  forth  in the
Raritan Disclosure Schedule:

                           (a) Neither  Raritan nor any Raritan  Subsidiary  has
received any written notice, citation, claim, assessment, proposed assessment or
demand for abatement  alleging that Raritan or such Raritan  Subsidiary  (either
directly  or  as a  trustee  or  fiduciary,  or  as a  successor-in-interest  in
connection  with the  enforcement of remedies to realize the value of properties
serving as collateral for  outstanding  loans) is responsible for the correction
or cleanup of any condition  resulting from the violation of any law,  ordinance
or  other  governmental   regulation  regarding   environmental  matters,  which
correction or cleanup would be material to the business,  operations,  assets or
financial  condition of Raritan and the Raritan  Subsidiaries  taken as a whole.
Raritan has no  knowledge  that any toxic or hazardous  substances  or materials
have been emitted,  generated,  disposed of or stored on any real property owned
or leased by Raritan or any Raritan Subsidiary,  as OREO or otherwise,  or owned
or  controlled  by Raritan or any Raritan  Subsidiary  as a trustee or fiduciary
(collectively, "Properties"), in any manner that violates or, after the lapse of
time may  violate,  any  presently  existing  federal,  state  or  local  law or
regulation governing or pertaining to such substances and materials.

                           (b)  Raritan  has  no  knowledge   that  any  of  the
Properties  has been operated in any manner in the three years prior to the date
of this Agreement that violated any  applicable  federal,  state or local law or
regulation  governing  or  pertaining  to  toxic  or  hazardous  substances  and
materials,  the violation of which would have a material  adverse  effect on the
business,  operations,  assets or financial condition of Raritan and the Raritan
Subsidiaries taken as a whole.

                           (c)  To  the  knowledge  of  Raritan,  there  are  no
underground  storage  tanks  on,  in or  under  any  of  the  Properties  and no
underground storage tanks have been closed or removed from any of the Properties
while the property was owned,  operated or  controlled by Raritan or any Raritan
Subsidiary.

                  3.17.  Reserves.  The reserve for loan and lease losses in the
June 30, 1998 Raritan Financial Statements was, to Raritan's knowledge, adequate
based  upon past loan  loss  experiences  and  potential  losses in the  current
portfolio to cover all then known or anticipated loan losses.

                  3.18. No Excess Parachute Payments. Except as disclosed in the
Raritan Disclosure Schedule, no officer, director,  employee or agent (or former
officer,  director,  employee or agent) of Raritan or any Raritan  Subsidiary is
entitled now, or will or may be entitled to as a consequence of this  Agreement,
the Merger or the Bank Merger, to any payment or benefit from Raritan, a Raritan
Subsidiary,  United or UNB which if paid or provided would constitute an "excess
parachute  payment",  as  defined  in  Section  280G of the Code or  regulations
promulgated thereunder.

                  3.19.   Year  2000   Compliance.   Raritan   and  the  Raritan
Subsidiaries  have taken all reasonable steps necessary to address the software,
accounting  and record  keeping  issues raised in order for the data  processing
systems used in the business  conducted by Raritan and the Raritan  Subsidiaries
to be substantially Year 2000 compliant on or before the end of 1999 and, except
as set forth in the Raritan  Disclosure  Schedule,  Raritan  does not expect the
future cost of addressing  such issues to be material.  Neither  Raritan nor any
Raritan Subsidiary has received a rating of less than satisfactory from any bank
regulatory agency with respect to Year 2000 compliance.

                  3.20. Agreements with Bank Regulators.  Except as disclosed in
the Raritan Disclosure Schedule, neither Raritan nor any Raritan Subsidiary is a
party to any agreement or memorandum  of  understanding  with, or a party to any
commitment  letter,  board  resolution  submitted to a  regulatory  authority or
similar  undertaking  to, or is  subject to any order or  directive  by, or is a
recipient of any extraordinary  supervisory letter from, any court, governmental
authority or other regulatory or administrative  agency or commission,  domestic
or foreign ("Governmental Entity") which restricts materially the conduct of its
business,  or in any  manner  relates  to its  capital  adequacy,  its credit or
reserve policies or its management,  except for those the existence of which has
been  disclosed  in  writing  to  United  by  Raritan  prior to the date of this
Agreement,  nor has Raritan been advised by any  Governmental  Entity that it is
contemplating  issuing or requesting (or is considering the  appropriateness  of
issuing  or  requesting)  any  such  order,  decree,  agreement,  memorandum  of
understanding,  extraordinary  supervisory letter,  commitment letter or similar
submission,  except as  disclosed  in writing to United by Raritan  prior to the
date of this Agreement.  Neither Raritan nor any Raritan  Subsidiary is required
by Section 32 of the Federal  Deposit  Insurance  Act to give prior  notice to a
Federal banking agency of the proposed addition of an individual to its board of
directors or the  employment  of an individual  as a senior  executive  officer,
except as  disclosed  in writing to United by Raritan  prior to the date of this
Agreement.

                  3.21.  Disclosure.  No representation or warranty contained in
Article III of this Agreement  contains any untrue  statement of a material fact
or omits to state a material fact  necessary to make the  statements  herein not
misleading.

                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF UNITED

                  References  herein to the "United  Disclosure  Schedule" shall
mean all of the  disclosure  schedules  required by this Article IV, dated as of
the date hereof and  referenced  to the  specific  sections and  subsections  of
Article IV of this  Agreement,  which have been  delivered on the date hereof by
United to Raritan. United hereby represents and warrants to Raritan as follows:

                  4.1.     Corporate Organization.

                  (a)  United  is  a  corporation  duly  organized  and  validly
existing and in good standing under the laws of the State of New Jersey.  United
has the corporate  power and authority to own or lease all of its properties and
assets and to carry on its  business as it is now being  conducted,  and is duly
licensed or qualified to do business in each jurisdiction in which the nature of
the business  conducted by it or the character or location of the properties and
assets owned or leased by it makes such  licensing or  qualification  necessary,
except  where  the  failure  to be so  licensed  or  qualified  would not have a
material  adverse  effect  on the  business,  operations,  assets  or  financial
condition of United or its Subsidiaries (defined below). United is registered as
a bank holding company under the BHCA.

                  (b) Each of the  Subsidiaries  of  United  are  listed  in the
United  Disclosure  Schedule.  The term "Subsidiary" when used in this Agreement
with reference to United,  means any  corporation,  joint venture,  association,
partnership,  trust or other entity in which United has, directly or indirectly,
at least a 50% interest or acts as a general partner.  Each Subsidiary of United
is duly  organized and validly  existing and in good standing  under the laws of
the jurisdiction of its incorporation. UNB is a national bank whose deposits are
insured  by the  SAIF for  certain  deposits,  and by the BIF for the  remaining
deposits,  in each case to the fullest extent  permitted by law. Each Subsidiary
of  United  has the  corporate  power and  authority  to own or lease all of its
properties and assets and to carry on its business as it is now being  conducted
and is duly licensed or qualified to do business in each  jurisdiction  in which
the nature of the business  conducted by it or the  character or location of the
properties   and  assets  owned  or  leased  by  it  makes  such   licensing  or
qualification necessary, except where the failure to be so licensed or qualified
would not have a material adverse effect on the business,  operations, assets or
financial condition of United and its Subsidiaries.

                  4.2.  Capitalization.  The authorized  capital stock of United
consists of 16,000,000  shares of United  Common Stock and  1,000,000  shares of
preferred  stock ("United  Preferred  Stock").  As of June 30, 1998,  there were
9,375,345 shares of United Common Stock issued and outstanding, including 94,303
treasury  shares and 2,700 shares of  restricted  stock granted under the United
National  Bancorp  Long Term Stock  Based  Incentive  Plan (the  "United  Option
Plan"),  and there were no shares of United Preferred Stock  outstanding.  Since
June 30, 1998, to and including the date of this Agreement, no additional shares
of United Common Stock have been issued except in connection  with  exercises of
options granted under the United Option Plan or grants of restricted stock under
the United Option Plan. As of June 30, 1998, except for 399,772 shares of United
Common  Stock  issuable  upon  exercise of  outstanding  stock  options  granted
pursuant to the United Option Plan and the  Non-Employee  Director  Stock Option
Plan (the "United Director Option Plan"),  there were no shares of United Common
Stock issuable upon the exercise of outstanding stock options or otherwise.  All
issued  and  outstanding  shares of United  Common  Stock,  and all  issued  and
outstanding  shares of capital  stock of United's  Subsidiaries,  have been duly
authorized  and  validly  issued,  are  fully  paid,  nonassessable  and free of
preemptive rights, and are free and clear of all liens,  encumbrances,  charges,
restrictions  or  rights  of third  parties.  All of the  outstanding  shares of
capital stock of United's Subsidiaries are owned by United free and clear of any
liens,  encumbrances,  charges,  restrictions or rights of third parties. Except
for the options  referred  to above under the United  Option Plan and the United
Director Option Plan, neither United nor any of United's  Subsidiaries has or is
bound by any outstanding subscriptions, options, warrants, calls, commitments or
agreements  of any character  calling for the transfer,  purchase or issuance of
any shares of capital stock of United or United's Subsidiaries or any securities
representing the right to otherwise  receive any shares of such capital stock or
any  securities  convertible  into or  representing  the  right to  purchase  or
subscribe for any such shares,  and there are no  agreements  or  understandings
with respect to voting of any such shares.  No additional  grants of awards,  or
exercises of outstanding awards, under the United Option Plan or United Director
Option Plan, or repurchases of United Common Stock,  prior to the Effective Time
shall  be  required  to  be  disclosed  or  reported  to  Raritan  to  keep  the
representations in this section true or correct.

                  4.3.     Authority; No Violation.

                  (a) United and UNB have full corporate  power and authority to
execute  and  deliver  this  Agreement  and  to  consummate   the   transactions
contemplated hereby in accordance with the terms hereof. United has a sufficient
number of  authorized  but  unissued  shares of United  Common  Stock to pay the
consideration  for the Merger set forth in  Article  II of this  Agreement.  The
execution  and  delivery  of  this  Agreement  and  the   consummation   of  the
transactions  contemplated  hereby  have been duly and  validly  approved by the
Board of Directors of each of United and UNB. The  execution and delivery of the
Bank  Merger  Agreement  has been  duly and  validly  approved  by the  Board of
Directors of UNB. No other  corporate  proceedings on the part of United and UNB
are necessary to consummate the transactions contemplated hereby (except for the
approval by United of the Bank Merger  Agreement and except for any  shareholder
approval that may be required by the NASDAQ/NMS  listing rules).  This Agreement
has  been  duly  and  validly  executed  and  delivered  by  United  and UNB and
constitutes  a valid  and  binding  obligation  of United  and UNB,  enforceable
against United and UNB in accordance  with its terms,  except to the extent that
enforcement  may be  limited  by  (i)  bankruptcy,  insolvency,  reorganization,
moratorium, conservatorship, receivership or other similar laws now or hereafter
in  effect  relating  to or  affecting  the  enforcement  of  creditors'  rights
generally or the rights of creditors of federally-chartered  banks, (ii) general
equitable  principles,  and (iii) laws  relating to the safety and  soundness of
insured depository  institutions and except that no representation is made as to
the effect or availability of equitable remedies or injunctive relief.

                  (b) Neither the  execution or delivery of this  Agreement  nor
the  consummation by United and UNB of the transactions  contemplated  hereby in
accordance  with  the  terms  hereof,  will (i)  violate  any  provision  of the
Certificate of  Incorporation or Bylaws of United or the Articles of Association
or Bylaws of UNB,  (ii) assuming that the consents and approvals set forth below
are duly  obtained,  violate any statute,  code,  ordinance,  rule,  regulation,
judgment,  order, writ, decree or injunction  applicable to United or UNB or any
of their  respective  properties or assets,  or (iii)  violate,  conflict  with,
result in a breach of any provision 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 the
creation of any lien, security interest, charge or other encumbrance upon any of
the properties or assets of United or UNB under, any of the terms, conditions or
provisions  of any note,  bond,  mortgage,  indenture,  deed of trust,  license,
lease,  agreement or other  instrument or obligation to which United or UNB is a
party,  or by which  United or UNB or any of their  properties  or assets may be
bound or affected,  except, with respect to (ii) and (iii) above, such as in the
aggregate will not have a material  adverse effect on the business,  operations,
assets  or  financial  condition  of  United  and  United's  Subsidiaries  on  a
consolidated  basis,  or  the  ability  of  United  and  UNB to  consummate  the
transactions  contemplated  hereby.  Except for  consents  and  approvals  of or
filings or  registrations  with or notices to the OCC, the OTS, the FRB, the New
Jersey  Secretary  of  State,  the  Delaware  Secretary  of State,  the SEC,  or
applicable state securities bureaus or commissions,  no consents or approvals of
or filings  or  registrations  with or notices to any third  party or any public
body or authority are  necessary on behalf of United or UNB in  connection  with
(a) the  execution  and  delivery  by United or UNB of this  Agreement,  (b) the
consummation  by United of the  Merger and the other  transactions  contemplated
hereby and (c) the  execution  and delivery by UNB of the Bank Merger  Agreement
and  the  consummation  by  UNB  of  the  Bank  Merger  and  other  transactions
contemplated  thereby. To United's knowledge,  no fact or condition exists which
United  has  reason  to  believe  will  prevent  it or UNB  from  obtaining  the
aforementioned consents and approvals.

                  4.4.     Financial Statements.

                  (a) United has  previously  delivered to Raritan copies of the
consolidated  statements  of  financial  condition  of United as of December 31,
1995, 1996 and 1997, the related consolidated  statements of income,  changes in
stockholders' equity and of cash flows for the periods ended December 31 in each
of the three fiscal years 1995 through  1997,  in each case  accompanied  by the
audit  report  of  KPMG  Peat  Marwick  LLP,  the  current   independent  public
accountants  with respect to United,  or Arthur  Andersen,  LLP,  previously the
independent  public  accountants  with  respect  to  United,  and the  unaudited
consolidated  statements  of  condition  of United  as of June 30,  1998 and the
related unaudited  consolidated  statements of income,  changes in stockholders'
equity and cash flows for the six months  then  ended as  reported  in  United's
Quarterly  Report  on  Form  10-Q,  filed  with  the  SEC  under  the  1934  Act
(collectively,   the  "United  Financial  Statements").   The  United  Financial
Statements  (including the related notes), have been prepared in accordance with
GAAP  consistently  applied during the periods  involved  (except as approved by
such independent public accountants and disclosed  therein),  and fairly present
the  consolidated  financial  position of United as of the respective  dates set
forth therein,  and the related  consolidated  statements of income,  changes in
stockholders'  equity and of cash flows  (including  the  related  notes,  where
applicable)  fairly  present  the  results of the  consolidated  operations  and
changes in  stockholders'  equity and of cash flows of United for the respective
fiscal periods set forth therein.

                  (b) The books and records of United and its subsidiaries  have
been and are being  maintained in material  compliance with applicable legal and
accounting requirements, and reflect only actual transactions.

                  (c)  Except  as and  to the  extent  reflected,  disclosed  or
reserved  against  in the  United  Financial  Statements  (including  the  notes
thereto),  as of June 30, 1998 neither United nor any of its Subsidiaries had or
has, as the case may be, any material obligation or liability, whether absolute,
accrued, contingent or otherwise,  material to the business,  operations, assets
or  financial  condition  of  United  or any of its  Subsidiaries  and which are
required by GAAP to be disclosed in the United Financial Statements.  Since June
30, 1998,  neither United nor any of its Subsidiaries have incurred any material
liabilities,  except in the  ordinary  course of business  and  consistent  with
prudent banking practice.

                  4.5.  Brokerage  Fees.  Except  as set  forth  in  the  United
Disclosure  Schedule,  neither  United  nor  UNB  nor  any of  their  respective
directors  or  officers  has  employed  any  broker or finder  or  incurred  any
liability for any broker's or finder's fees or  commissions  in connection  with
any of the transactions contemplated by this Agreement.

                  4.6. Absence of Certain Changes or Events.  There has not been
any material  adverse  change in the business,  operations,  assets or financial
condition of United and United's Subsidiaries on a consolidated basis since June
30, 1998 and to United's  knowledge,  no fact or  condition  exists  (other than
regional or national  economic  conditions which affect  financial  institutions
generally)  which  United  believes  will  cause or is  likely  to cause  such a
material adverse change in the future.

                  4.7. United  Information.  The information  relating to United
and its subsidiaries, this Agreement and the transactions contemplated hereby in
the Registration Statement and Joint Proxy  Statement/Prospectus  (as defined in
Section  5.6(a)  hereof),  as of the dates of the  mailing  of the  Joint  Proxy
Statement/Prospectus to shareholders of United and Raritan, respectively, and up
to  and  including  the  dates  of  each  meeting  to  which  such  Joint  Proxy
Statement/Prospectus  relates,  will  not  contain  any  untrue  statement  of a
material fact or omit to state a material fact  necessary to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.

                  4.8. Capital  Adequacy.  As of the date of this Agreement each
of United and UNB has, and at the Effective  Time,  after taking into effect the
Merger and the transactions  contemplated hereunder, each of United and UNB will
have,   sufficient   capital  to  satisfy  all  applicable   regulatory  capital
requirements.

                  4.9.  United Common Stock.  At the Effective  Time, the United
Common Stock to be issued  pursuant to the terms of Section 2.1, when so issued,
shall be duly authorized,  validly issued, fully paid, and non-assessable,  free
of  preemptive  rights  and  free  and  clear  of  all  liens,  encumbrances  or
restrictions  created by or through United, with no personal liability attaching
to the ownership thereof.

                  4.10.  Legal  Proceedings.  Except as  disclosed in the United
Disclosure Schedule,  neither United nor its Subsidiaries is a party to any, and
there are no pending or, to United's  knowledge,  threatened,  Legal Proceedings
against United or any of its Subsidiaries which, if decided adversely to United,
or  any  of its  Subsidiaries,  would  have a  material  adverse  effect  on the
business,   operations,   assets  or  financial  condition  of  United  and  its
Subsidiaries  on a  consolidated  basis.  Except  as  disclosed  in  the  United
Disclosure Schedule,  neither United nor any of United's Subsidiaries is a party
to any order,  judgment or decree entered  against United or any such Subsidiary
in any Legal  Proceeding  which  would  have a  material  adverse  effect on the
business,   operations,   assets  or  financial  condition  of  United  and  its
Subsidiaries on a consolidated basis.

                  4.11. Taxes and Tax Returns.  United and its Subsidiaries have
duly filed (and until the Effective  Time will so file) all Returns  required to
be filed by them in respect of any  federal,  state and local  taxes  (including
withholding taxes, penalties or other payments required) and have duly paid (and
until the Effective Time will so pay) all such taxes due and payable, other than
taxes or other charges which are being  contested in good faith.  United and its
Subsidiaries  have  established (and until the Effective Time will establish) on
their books and records reserves for the payment of all federal, state and local
taxes not yet due and  payable,  but  incurred  in  respect  of  United  and its
Subsidiaries  through such date, which reserves are, to the knowledge of United,
adequate for such purposes.  No  deficiencies  exist or have been asserted based
upon the federal income tax returns of United and UNB.

                  4.12.    Employee Benefit Plans.

                  (a) United and its  Subsidiaries  maintain  or  contribute  to
certain "employee  pension benefit plans" (the "United Pension Plans"),  as such
term is defined in Section 3 of ERISA, and "employee welfare benefit plans" (the
"United Welfare  Plans"),  as such term is defined in Section 3 of ERISA.  Since
September 2, 1974,  neither United nor its Subsidiaries  have contributed to any
"Multiemployer Plan", as such term is defined in Section 3(37) of ERISA.

                  (b) Each of the  United  Pension  Plans and each of the United
Welfare Plans has been operated in compliance in all material  respects with the
provisions  of ERISA,  the Code,  all  regulations,  rulings  and  announcements
promulgated or issued thereunder, and all other applicable governmental laws and
regulations.

                  (c) The present value of all accrued  benefits both vested and
non-vested  under each of the United Pension Plans subject to Title IV of ERISA,
based  upon the  actuarial  assumptions  used for  purposes  of the most  recent
actuarial  valuation  prepared by such United  Pension Plan's  actuary,  did not
exceed the then  current  value of the assets of such  plans  allocable  to such
accrued benefits.  To the best of United's knowledge,  the actuarial assumptions
then  utilized for such plans were  reasonable  and  appropriate  as of the last
valuation date and reflect then current market conditions.

                  (d) During the last six years,  the PBGC has not  asserted any
claim for liability against United or any of its Subsidiaries which has not been
paid in full.

                  (e) All premiums (and interest  charges and penalties for late
payment, if applicable) due to the PBGC with respect to each United Pension Plan
have been paid.  All  contributions  required to be made to each United  Pension
Plan under the terms  thereof,  ERISA or other  applicable  law have been timely
made, and all amounts  properly accrued to date as liabilities of United and its
Subsidiaries  which have not been paid have been properly  recorded on the books
of United and its Subsidiaries.

                  (f) Except as  disclosed  on the United  Disclosure  Schedule,
each of the United Pension  Plans,  the United Welfare Plans and each other plan
and arrangement  identified on the United Disclosure  Schedule has been operated
in compliance in all material  respects with the provisions of ERISA,  the Code,
all regulations, rulings and announcements promulgated or issued thereunder, and
all other applicable governmental laws and regulations. Furthermore, the IRS has
issued a favorable determination letter, which takes into account the Tax Reform
Act of 1986 and subsequent  legislation  through the date of such  determination
letter, with respect to each of the United Pension Plans and United is not aware
of any fact or circumstance which would disqualify any such plan, that could not
be retroactively corrected (in accordance with the procedures of the IRS).

                  (g) To the knowledge of United, within the past two plan years
no non-exempt prohibited transaction,  within the meaning of Section 4975 of the
Code or Section 406 of ERISA,  has  occurred  with  respect to any of the United
Welfare Plans or United Pension Plans.

                  (h) No United Pension Plan or any trust created thereunder has
been terminated, nor have there been any "reportable events", within the meaning
of Section 4034(b) of ERISA, with respect to any of the United Pension Plans.

                  (i)  To the  knowledge  of  United,  no  "accumulated  funding
deficiency",  within the meaning of Section 412 of the Code,  has been  incurred
with respect to any of the United Pension Plans.

                  4.13.    Reports.

                  (a) Each  communication  mailed by United to its  stockholders
since  January 1, 1995,  and each  annual,  quarterly or special  report,  proxy
statement or  communication,  as of its date,  complied in all material respects
with all applicable  statutes,  rules and regulations enforced or promulgated by
the applicable  regulatory  agency and did not contain any untrue statement of a
material fact or omit to state any material  fact required to be stated  therein
or  necessary  in order to make the  statements  made  therein,  in light of the
circumstances  under  which  they  were  made,  not  misleading;  provided  that
disclosures  as of a later date shall be deemed to modify  disclosures  as of an
earlier date.

                  (b) Since  January 1, 1995,  (i) United has filed all  reports
that it was  required  to file with the SEC under the 1934 Act,  and (ii) United
and UNB each has duly filed all material forms, reports and documents which they
were  required to file with each agency  charged with  regulating  any aspect of
their business, in each case in form which was correct in all material respects,
and,  subject to permission  from such regulatory  authorities,  United promptly
will deliver or make available to Raritan  accurate and complete  copies of such
reports.  As of their  respective  dates,  each such form,  report,  or document
referred to in either of clauses (i) or (ii) above, and each final  registration
statement,  prospectus,  annual,  quarterly or special report,  definitive proxy
statement  or  communication  referred  to in either of  clauses  (i) or (ii) of
paragraph  (b) above,  complied in all  material  respects  with all  applicable
statutes,  rules and regulations  and did not contain any untrue  statement of a
material fact or omit to state any material  fact required to be stated  therein
or  necessary  in order to make the  statements  made  therein,  in light of the
circumstances  under  which  they  were  made,  not  misleading;  provided  that
information contained in any such document as of a later date shall be deemed to
modify  information as of an earlier date. The United Disclosure  Schedule lists
the dates of all  examinations  of United or UNB  conducted by either the OCC or
the FDIC since January 1, 1995 and the dates of any responses  thereto submitted
by United or UNB.

                  4.14.   Compliance   with   Applicable  Law.  United  and  its
Subsidiaries hold all material licenses,  franchises, permits and authorizations
necessary  for the  lawful  conduct  of their  respective  businesses  under and
pursuant  to each,  and has  complied  with and is not in default in any respect
under any,  applicable law,  statute,  order,  rule,  regulation,  policy and/or
guideline  of  any  federal,  state  or  local  governmental  authority  or  the
NASDAQ/NMS  relating  to United  and its  Subsidiaries  (other  than  where such
default or  non-compliance  will not result in a material  adverse effect on the
business,   operations,   assets  or  financial  condition  of  United  and  its
Subsidiaries  on a  consolidated  basis) and United has not  received  notice of
violations of, and does not know of any violations  (other than violations which
will not, alone or in the aggregate,  result in a material adverse effect on the
business   operations,   assets  or  financial   condition  of  United  and  its
Subsidiaries on a consolidated basis) of, any of the above. Without limiting the
foregoing,  to its knowledge UNB has complied in all material  respects with the
CRA and United has  received  no written  notice  that any person or group would
object to the  consummation of a merger involving UNB due to the CRA performance
or rating of UNB.  To the  knowledge  of United,  except as listed on the United
Disclosure  Schedule,  no person or group has adversely commented upon UNB's CRA
performance. The most recent CRA rating received by UNB was "Satisfactory."

                  4.15.    Properties and Insurance.

                  (a) United  and its  Subsidiaries  have good and,  as to owned
real property,  marketable title to all material assets and properties,  whether
real or personal,  tangible or  intangible,  reflected in United's  consolidated
balance  sheet as of June 30,  1998,  or owned and 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 June 30, 1998).  United and
its Subsidiaries as lessees have the right under valid and subsisting  leases to
occupy,  use,  possess  and  control  all real  property  leased  by them in all
material respects as presently occupied, used, possessed and controlled by them.

                  (b) The business  operations and all insurable  properties and
assets of United and its  Subsidiaries are insured for their benefit against all
risks which,  in the  reasonable  judgment of the management of United should be
insured against, in each case under valid,  binding and enforceable  policies or
bonds,  with such  deductibles  and against  such risks and losses as are in the
opinion of the  management  of United  adequate for the  business  engaged in by
United and its  Subsidiaries.  As of the date hereof,  neither United nor any of
its Subsidiaries has received any notice of cancellation or notice of a material
amendment  of any such  insurance  policy or bond or is in  default  under  such
policy or bond, no coverage thereunder is being disputed and all material claims
thereunder have been filed in a timely fashion.

                  4.16.  Minute  Books.  The  minute  books  of  United  and its
Subsidiaries  contain records that are accurate in all material  respects of all
meetings and other corporate  action held of their  respective  stockholders and
Boards  of  Directors  (including  committees  of  their  respective  Boards  of
Directors).

                  4.17. Environmental Matters. Except as disclosed in the United
Disclosure Schedule, neither United nor any of its Subsidiaries has received any
written notice, citation,  claim, assessment,  proposed assessment or demand for
abatement alleging that United or any of its Subsidiaries (either directly or as
a  successor-in-interest  in  connection  with the  enforcement  of  remedies to
realize the value of properties  serving as collateral for outstanding loans) is
responsible  for the  correction  or clean-up of any  condition  material to the
business,   operations,   assets  or  financial   condition  of  United  or  its
Subsidiaries.  Except as disclosed in the United Disclosure Schedule, United has
no knowledge  that any toxic or  hazardous  substances  or  materials  have been
emitted,  generated,  disposed of or stored on any  property  owned or leased by
United or any of its Subsidiaries,  as OREO or otherwise, or owned or controlled
by United or any of its  Subsidiaries  as a trustee or  fiduciary in any manner,
that violates or, after the lapse of time may violate,  any  presently  existing
federal,  state or local  law or  regulation  governing  or  pertaining  to such
substances and materials,  the violation of which would have a material  adverse
effect on the business,  operations, assets or financial condition of United and
its Subsidiaries on a consolidated basis.

                  4.18.  Reserves.  The  allowance  for possible  loan and lease
losses  in the June 30,  1998  United  Financial  Statements  was,  to  United's
knowledge,  adequate  at the time  based  upon past loan  loss  experiences  and
potential  losses  in the  portfolio  at the  time to cover  all  then  known or
anticipated loan losses.

                  4.19. Year 2000 Compliance. United and the United Subsidiaries
have taken all reasonable  steps  necessary to address the software,  accounting
and record keeping issues raised in order for the data  processing  systems used
in  the  business  conducted  by  United  and  the  United  Subsidiaries  to  be
substantially  Year 2000  compliant on or before the end of 1999 and United does
not expect the future cost of  addressing  such issues to be  material.  Neither
United nor any United Subsidiary has received a rating of less than satisfactory
from any bank regulatory agency with respect to Year 2000 compliance.

                  4.20. Agreements with Bank Regulators.  Except as disclosed in
the United  Disclosure  Schedule,  neither United nor any United Subsidiary is a
party to any agreement or memorandum  of  understanding  with, or a party to any
commitment  letter,  board  resolution  submitted to a  regulatory  authority or
similar  undertaking  to, or is  subject to any order or  directive  by, or is a
recipient of any extraordinary  supervisory letter from, any Governmental Entity
which restricts materially the conduct of its business, or in any manner relates
to its  capital  adequacy,  its credit or reserve  policies  or its  management,
except for those the existence of which has been disclosed in writing to Raritan
by United  prior to the date of this  Agreement,  nor has United been advised by
any Governmental  Entity that it is  contemplating  issuing or requesting (or is
considering  the  appropriateness  of issuing  or  requesting)  any such  order,
decree,  agreement,  memorandum  of  understanding,   extraordinary  supervisory
letter, commitment letter or similar submission,  except as disclosed in writing
to Raritan by United prior to the date of this Agreement. Neither United nor any
United Subsidiary is required by Section 32 of the Federal Deposit Insurance Act
to give prior notice to a Federal banking agency of the proposed  addition of an
individual  to its board of directors or the  employment  of an  individual as a
senior  executive  officer,  except as disclosed in writing to Raritan by United
prior to the date of this Agreement.

                  4.21. Disclosures.  No representation or warranty contained in
Article IV of this Agreement contains any untrue statement of a material fact or
omits to state a  material  fact  necessary  to make the  statements  herein not
misleading.

                                    ARTICLE V

                            COVENANTS OF THE PARTIES

                  5.1.  Conduct of the  Business of  Raritan.  During the period
from the date of this Agreement to the Effective Time,  Raritan shall, and shall
cause each of its Subsidiaries to, conduct its respective business and engage in
transactions permitted hereunder only in the ordinary course and consistent with
prudent banking practice, except with the prior written consent of United, which
consent will not be unreasonably withheld. Raritan also shall use all reasonable
efforts to (i)  preserve  its  business  organization  and that of each  Raritan
Subsidiary  intact,  (ii) keep  available to itself the present  services of its
employees and those of its  Subsidiaries,  provided that neither Raritan nor any
of its Subsidiaries  shall be required to take any unreasonable or extraordinary
act or any action which would  conflict  with any other term of this  Agreement,
(iii)  preserve for itself and United the goodwill of its customers and those of
its  Subsidiaries  and others with whom business  relationships  exist, and (iv)
take any action which United may reasonably request in order to cause the Merger
to qualify as a pooling of interests for accounting purposes including,  without
limitation,  reissuing  "tainted"  shares of Raritan  Common  Stock if United so
requests.

                  5.2.     Negative Covenants and Dividend Covenants.

                  (a) Raritan  agrees that from the date hereof to the Effective
Time, except as set forth in Section 5.2 of the Raritan  Disclosure  Schedule or
as  otherwise  approved by United in writing or as permitted or required by this
Agreement, it will not, nor will it permit any of its Subsidiaries to:

                           (i)  change  any  provision  of  its  Certificate  of
Incorporation or Charter, as the case may be, or Bylaws or any similar governing
documents;

                           (ii) except for the issuance of Raritan  Common Stock
pursuant to the present terms of the outstanding  Raritan Options and the United
Stock  Option and as disclosed in the Raritan  Disclosure  Schedule,  change the
number of shares of its authorized or issued common or preferred  stock or issue
or grant any option, warrant, call, commitment,  subscription, right to purchase
or agreement of any character relating to the authorized or issued capital stock
of Raritan or any Raritan  Subsidiary or any securities  convertible into shares
of such stock, or split,  combine or reclassify any shares of its capital stock,
or redeem or otherwise acquire any shares of such capital stock, or declare, set
aside or pay any  dividend,  or other  distribution  (whether in cash,  stock or
property or any combination  thereof) in respect of its capital stock, or redeem
or otherwise  acquire any shares of such  capital  stock,  other than  Raritan's
regular  quarterly  cash  dividends  in amounts not to exceed $0.15 per calendar
quarter, with the dividend payment dates to be coordinated with United, it being
the intention of the parties that the shareholders of Raritan receive  dividends
for any  particular  calendar  quarter on either the Raritan Common Stock or the
United Common Stock acquired in exchange  therefor pursuant to the terms of this
Agreement but not both; provided further, that nothing contained herein shall be
deemed to affect the ability of the Bank to pay  dividends on its capital  stock
to Raritan;

                           (iii) grant any severance or  termination  pay (other
than  pursuant to agreements or policies of Raritan in effect on the date hereof
and  disclosed in the Raritan  Disclosure  Schedule or as agreed to by United in
writing) to, or enter into or amend any  employment  agreement  with, any of its
directors,  officers  or  employees,  adopt  any new  employee  benefit  plan or
arrangement of any type or amend any such existing  benefit plan or arrangement;
or award any increase in compensation or benefits to its directors,  officers or
employees;

                           (iv) sell or  dispose  of any  substantial  amount of
assets or incur any significant liabilities other than in the ordinary course of
business consistent with past practices and policies;

                           (v) make any capital expenditures other than pursuant
to binding commitments existing on the date hereof and expenditures necessary to
maintain  existing assets in good repair and expenditures  described in business
plans or budgets previously furnished to United;

                           (vi) file any  applications or make any contract with
respect to branching or site location or relocation.

                           (vii)  agree  to  acquire  in any  manner  whatsoever
(other than to foreclose  on  collateral  for a defaulted  loan) any business or
entity;

                           (viii)  make any  material  change in its  accounting
methods or practices, other than changes required in accordance with GAAP;

                           (ix) take any action that would  result in any of the
representations  and  warranties  contained in Article III of this Agreement not
being true and correct in any material respect at the Effective Time; or

                           (x) agree to do any of the foregoing.

                  (b) United  agrees that from the date hereof to the  Effective
Time,  except as  otherwise  approved by Raritan in writing or as  permitted  or
required  by this  Agreement,  it  will  not,  nor  will  it  permit  any of its
Subsidiaries to:

                           (i)  take  any  action   that  is   intended  or  may
reasonably be expected to result in any of its  representations  and  warranties
set forth in this Agreement being or becoming untrue in any material respect, or
that may  result  in any  condition,  agreement  or  covenant  set forth in this
Agreement not being satisfied;

                           (ii) take or cause to be taken any action which would
disqualify the Merger as a tax free reorganization under Section 368 of the Code
or as a pooling of interests for accounting purposes;

                           (iii) consolidate with or merge with any other person
or entity in which United is not the surviving  entity,  or convey,  transfer or
lease its  properties and assets  substantially  as an entirety to any person or
entity unless such person or entity shall  expressly  assume the  obligations of
United under this Agreement; or

                           (iv)   authorize  or  enter  into  any  agreement  or
commitment to do any of the foregoing.

                  5.3. No  Solicitation.  So long as this  Agreement  remains in
effect,  Raritan and the Bank shall not,  directly or  indirectly,  encourage or
solicit or hold discussions or negotiations with, or provide any information to,
any person, entity or group (other than United) concerning any merger or sale of
shares of capital stock or sale of substantial  assets or liabilities not in the
ordinary course of business,  or similar  transactions  involving Raritan or the
Bank (an "Acquisition Transaction").  Notwithstanding the foregoing, Raritan may
enter into discussions or negotiations or provide information in connection with
an  unsolicited  possible  Acquisition  Transaction if the Board of Directors of
Raritan,  after  consulting  with  counsel,  determines  in the  exercise of its
fiduciary  responsibilities  that such  discussions  or  negotiations  should be
commenced  or such  information  should be  furnished.  Raritan  shall  promptly
communicate to United the terms of any proposal,  whether written or oral, which
it may receive in respect of any such Acquisition  Transaction and the fact that
it is having discussions or negotiations with a third party about an Acquisition
Transaction.

                  5.4. Current  Information.  During the period from the date of
this  Agreement  to the  Effective  Time,  Raritan will cause one or more of its
designated  representatives  to  confer  on a monthly  basis,  or on such  other
schedule as the parties may mutually agree upon, with  representatives of United
regarding  Raritan's  business,  operations,  properties,  assets and  financial
condition  and  matters   relating  to  the   completion  of  the   transactions
contemplated herein. Without limiting the foregoing,  promptly, but in any event
within 30 days,  after  granting  any new loan or  extension  of credit,  or any
renewal of an  existing  loan or  extension  of credit,  in excess of  $250,000,
Raritan  and the Bank will send United a  description  thereof,  and  thereafter
Raritan will promptly send to United copies of such documents  relating  thereto
as United shall reasonably request. As soon as reasonably  available,  but in no
event more than 45 days after the end of each  fiscal  quarter  (other  than the
last  fiscal  quarter  of  each  fiscal  year)  ending  after  the  date of this
Agreement, Raritan will deliver to United the Bank's call reports filed with the
FDIC and  Raritan's  quarterly  reports on Form 10-Q as filed with the SEC under
the 1934 Act, and United will deliver to Raritan United's  quarterly  reports on
Form  10-Q,  as filed with the SEC under the 1934 Act,  and UNB's  call  reports
filed  with the OCC and the FDIC.  As soon as  reasonably  available,  but in no
event more than 90 days after the end of each fiscal year,  Raritan will deliver
to United and United will deliver to Raritan their respective year end financial
statements and related reports to shareholders and regulatory agencies.

                  5.5.     Access to Properties and Records; Confidentiality.

                  (a)  Raritan and the Bank shall  permit  United and its agents
and  representatives,   including,  without  limitation,   officers,  directors,
employees,   attorneys,   accountants  and  financial  advisors   (collectively,
"Representatives"),   and  United  and  UNB  shall   permit   Raritan   and  its
Representatives,  reasonable  access to their respective  properties,  and shall
disclose and make available to United and its Representatives or Raritan and its
Representatives  as the case may be, all books,  papers and records  relating to
their respective assets, stock ownership,  properties,  operations,  obligations
and liabilities,  including, but not limited to, all books of account (including
the general ledger),  tax records,  minute books of directors' and stockholders'
meetings,  organizational documents,  bylaws, material contracts and agreements,
filings  with  any  regulatory  authority,  independent  auditors'  work  papers
(subject to the receipt by such  auditors  of a standard  access  representation
letter),  litigation files,  plans affecting  employees,  and any other business
activities or prospects in which United and its  Representatives  or Raritan and
its  Representatives  may have a  reasonable  interest.  Neither  party shall be
required to provide  access to or to disclose  information  where such access or
disclosure  would  violate  or  prejudice  the rights of any  customer  or would
contravene  any law,  rule,  regulation,  order or judgment or, in the case of a
document which is subject to an attorney client privilege,  would compromise the
right of the disclosing party to claim that privilege.  The parties will use all
reasonable  efforts to obtain  waivers of any such  restriction  (other than the
attorney  client  privilege)  and  in  any  event  make  appropriate  substitute
disclosure  arrangements  under  circumstances  in which the restrictions of the
preceding  sentence apply.  Raritan  acknowledges that United may be involved in
discussions  concerning  other  potential  acquisitions  and United shall not be
obligated to disclose such  information to Raritan except as such information is
publicly disclosed by United.

                  (b) All information furnished by the parties hereto previously
in  connection  with  transactions  contemplated  by this  Agreement or pursuant
hereto  shall  be  used  solely  for  the  purpose  of  evaluating   the  Merger
contemplated hereby, shall be kept confidential and shall be treated as the sole
property of the party  delivering  the  information  until  consummation  of the
Merger  contemplated  hereby and, if such Merger shall not occur, each party and
each party's  Representatives  shall return to the other party all  documents or
other materials  containing,  reflecting or referring to such information,  will
not retain  any copies of such  information,  shall keep  confidential  all such
information,  and shall not directly or indirectly use such  information for any
competitive  or other  commercial  purposes or any other  purposes not expressly
permitted hereby.  Each party shall inform its  Representatives  of the terms of
this Section 5.5. Any breach of this Section 5.5 by a Representative  of a party
hereto shall conclusively be deemed to be a breach thereof by such party. In the
event that the Merger contemplated hereby is abandoned, all documents, notes and
other  writings  prepared  by a party  hereto  or its  Representatives  based on
information  furnished  by the other  party  shall be  promptly  destroyed.  The
obligation to keep such information  confidential  shall continue for five years
from the date the proposed  Merger is  abandoned  but shall not apply to (i) any
information  which (A) the party  receiving  the  information  can  establish by
convincing  evidence  was  already  in its  possession  prior to the  disclosure
thereof to it by the other party;  (B) was then  generally  known to the public;
(C) became  known to the public  through  no fault of the party  receiving  such
information;  or (D) was disclosed to the party receiving such  information by a
third party not bound by an obligation of  confidentiality;  or (ii) disclosures
pursuant to a legal, regulatory or examination requirement or in accordance with
an order of a court of competent jurisdiction.

                  (c) In addition to all other remedies that may be available to
any party hereto in connection with a breach by any other party hereto of its or
its Representative's obligations under this Section 5.5, each party hereto shall
be entitled to specific  performance and injunctive and other  equitable  relief
with respect to this Section 5.5.  Each party hereto  waives,  and agrees to use
all reasonable efforts to cause its Representatives to waive, any requirement to
secure or post a bond in connection with any such relief.

                  5.6.     Regulatory Matters.

                  (a) For the  purposes  of  holding  the  meetings  of  Raritan
stockholders  and United  shareholders  referred  to in  Section  5.7 hereof and
registering  or  otherwise   qualifying  under  applicable   federal  and  state
securities laws United Common Stock to be issued to Record Holders and Optionees
in  connection  with the  Merger,  the parties  hereto  shall  cooperate  in the
preparation and filing by United of a Registration  Statement with the SEC which
shall include an appropriate joint proxy statement and prospectus satisfying all
applicable requirements of applicable state and federal laws, including the 1933
Act,  the 1934 Act and  applicable  state  securities  laws  and the  rules  and
regulations  thereunder.  (Such joint proxy statement and prospectus in the form
mailed by Raritan to the Raritan  stockholders  and Optionees  together with any
and all amendments or supplements  thereto,  and in the form mailed by United to
the United  shareholders  together with any and all  amendments  or  supplements
thereto,   is   collectively   herein   referred   to  as   the   "Joint   Proxy
Statement/Prospectus"  and the various documents to be filed by United under the
1933 Act with the SEC to register for sale the United  Common Stock to be issued
to Record Holders and Optionees,  including the Proxy Statement/Prospectus,  are
referred to herein as the "Registration Statement").

                  (b) United shall furnish information concerning United and the
Merger as is necessary  in order to cause the Joint Proxy  Statement/Prospectus,
insofar as it relates to United and the Merger,  to comply with  Section  5.6(a)
hereof.  United  agrees  promptly to advise  Raritan if at any time prior to the
Raritan  stockholder  meeting referred to in Section 5.7 hereof, any information
provided by United in the Joint Proxy Statement/Prospectus  becomes incorrect or
incomplete in any material  respect and to provide  Raritan with the information
needed to correct such inaccuracy or omission. United shall furnish Raritan with
such  supplemental  information  as may be necessary in order to cause the Joint
Proxy  Statement/Prospectus,  insofar as it relates to United and the Merger, to
comply with Section 5.6(a) after the mailing thereof to Raritan stockholders and
United shareholders.

                  (c)  Raritan  shall  furnish  United  with  such   information
concerning  Raritan  and the Bank as is  necessary  in order to cause  the Joint
Proxy  Statement/Prospectus,  insofar  as it relates  to such  corporations,  to
comply with Section 5.6(a) hereof.  Raritan agrees promptly to advise United if,
at any time  prior to either  of the  meetings  referred  to in  Section  5.6(a)
hereof,  information provided by Raritan in the Joint Proxy Statement/Prospectus
becomes  incorrect or incomplete in any material  respect and to provide  United
with the  information  needed to correct such  inaccuracy  or omission.  Raritan
shall furnish United with such  supplemental  information as may be necessary in
order to cause the Joint  Proxy  Statement/Prospectus,  insofar as it relates to
Raritan and the Bank, to comply with Section 5.6(a) after the mailing thereof to
Raritan stockholders and United shareholders.

                  (d) United shall  promptly  make such filings as are necessary
in  connection  with the  offering of the United  Common  Stock  pursuant to the
Merger with applicable  state  securities  agencies and shall use all reasonable
efforts to qualify the  offering  of the United  Common  Stock under  applicable
state securities laws at the earliest  practicable date.  Raritan shall promptly
furnish  United with such  information  regarding  the Raritan  stockholders  as
United  requires to enable it to determine what filings are required  hereunder.
Raritan authorizes United to utilize in such filings the information  concerning
Raritan and the Bank provided to United in connection with, or contained in, the
Joint Proxy  Statement/Prospectus.  United shall furnish  Raritan with drafts of
all such filings,  as well as filings with the SEC and all regulatory filings in
connection  with the Merger,  shall  provide  Raritan  with the  opportunity  to
comment  thereon,  and shall keep Raritan advised of the status thereof.  United
shall as promptly as practicable file the Registration  Statement containing the
Joint Proxy  Statement/Prospectus  with the SEC,  and each of United and Raritan
shall promptly notify the other of all communications, oral or written, with the
SEC    concerning   the    Registration    Statement   and   the   Joint   Proxy
Statement/Prospectus.

                  (e) United shall cause the United Common Stock to be issued in
connection with the Merger to be listed on the NASDAQ/NMS.

                  (f) The parties  hereto will cooperate with each other and use
all  reasonable  efforts to prepare all necessary  documentation,  to effect all
necessary  filings  and to obtain  all  necessary  permits,  consents,  waivers,
approvals  and  authorizations  of all third  parties  and  governmental  bodies
necessary to consummate the transactions  contemplated by this Agreement as soon
as  possible,  including,  without  limitation,  those  required by the OCC, the
Commissioner,  the State of New Jersey,  the FDIC and the FRB. The parties shall
each  have the  right to  review  in  advance  (and  shall do so  promptly)  all
information  relating  to the  other,  as the  case  may be,  and  any of  their
respective  subsidiaries,  which  appears  in any filing  made with,  or written
material  submitted to, any third party or governmental  body in connection with
the  transactions  contemplated by this Agreement.  The parties hereto shall use
reasonable  business  efforts to file for approval or waiver by the  appropriate
bank regulatory agencies within 60 days of the date hereof.

                  (g) Each of the parties will promptly  furnish each other with
copies of written  communications  received  by them or any of their  respective
subsidiaries  from, or delivered by any of the  foregoing  to, any  governmental
body in respect of the transactions contemplated hereby.

                  (h)  Raritan  acknowledges  that United is in or may be in the
process  of  acquiring  other  banks  and  financial  institutions  and  that in
connection  with  such  acquisitions,  information  concerning  Raritan  may  be
required to be included in the registration statements,  if any, for the sale of
securities  of United or in SEC reports in  connection  with such  acquisitions.
Raritan agrees to provide United with any information,  certificates,  documents
or other materials  about Raritan as are reasonably  necessary to be included in
such  other SEC  reports  or  registration  statements,  including  registration
statements  which may be filed by United prior to the  Effective  Time.  Raritan
shall use its  reasonable  efforts to cause its  attorneys  and  accountants  to
provide  United and any  underwriters  for  United  with any  consents,  comfort
letters, opinion letters, reports or information which are necessary to complete
the  registration  statements  and  applications  for any  such  acquisition  or
issuance of securities.  United shall reimburse Raritan for reasonable  expenses
thus incurred by Raritan  should this  Agreement be  terminated  for any reason.
United  shall  not file with the SEC any  registration  statement  or  amendment
thereto or supplement  thereof containing  information  regarding Raritan unless
Raritan shall have consented in writing to such filing,  which consent shall not
be unreasonably delayed or withheld.

                  (i) Between the date of this Agreement and the Effective Time,
Raritan shall cooperate with United to be in a position as of the Effective Time
to reasonably  conform Raritan's  policies and procedures  regarding  applicable
regulatory  matters  to those of United as United  may  reasonably  identify  to
Raritan from time to time.

                  5.7.     Approval of Stockholders.

                  (a) Raritan will (i) take all steps reasonably  necessary duly
to call,  give  notice of,  convene  and hold a meeting of the  stockholders  of
Raritan  as soon as  reasonably  practicable  for the  purpose of  securing  the
approval by such  stockholders of this  Agreement,  (ii subject to the fiduciary
responsibilities  of the Board of  Directors of Raritan to the  stockholders  of
Raritan, recommend to the stockholders of Raritan the approval of this Agreement
and the  transactions  contemplated  hereby  and use all  reasonable  efforts to
obtain,  as promptly as  practicable,  such  approvals,  and (iii) cooperate and
consult with United with respect to each of the foregoing matters. In connection
therewith, Raritan will use reasonable efforts to cause each director of Raritan
to agree,  (x) to vote in favor of the  Merger,  and (y) take such  action as is
necessary or is reasonably required by United to consummate the Merger.

                  (b) United will (i) take all steps  reasonably  necessary duly
to call,  give  notice of,  convene  and hold a meeting of the  stockholders  of
United  as soon as  reasonably  practicable  for the  purpose  of  securing  the
approval by such  stockholders of this  Agreement,  (ii subject to the fiduciary
responsibilities  of the Board of  Directors  of United to the  stockholders  of
United,  recommend to the  stockholders of United the approval of this Agreement
and the  transactions  contemplated  hereby  and use all  reasonable  efforts to
obtain,  as promptly as  practicable,  such  approvals,  and (iii) cooperate and
consult  with  Raritan  with  respect  to  each  of the  foregoing  matters.  In
connection therewith,  United will use reasonable efforts to cause each director
of United to agree, (x) to vote in favor of the Merger, and (y) take such action
as is necessary or is reasonably required by Raritan to consummate the Merger.

                  5.8. Further  Assurances.  Subject to the terms and conditions
herein provided, each of the parties hereto agrees to use all reasonable efforts
to take, or cause to be taken,  all actions and to do, or cause to be done,  all
things  reasonably  necessary,  proper or advisable  under  applicable  laws and
regulations  to satisfy the  conditions  to Closing and to  consummate  and make
effective the transactions  contemplated by this Agreement,  including,  without
limitation,  using  reasonable  efforts to lift or  rescind  any  injunction  or
restraining order or other order adversely  affecting the ability of the parties
to consummate  the  transactions  contemplated  by this  Agreement and using all
reasonable  efforts  to  prevent  the  breach of any  representation,  warranty,
covenant or agreement of such party  contained or referred to in this  Agreement
and to promptly  remedy the same.  Nothing in this section shall be construed to
require any party to participate  in any threatened or actual Legal  Proceedings
(other  than Legal  Proceedings  to which it is  otherwise a party or subject or
threatened to be made a party or subject) in connection with consummation of the
transactions  contemplated by this Agreement  unless such party shall consent in
advance  and in  writing to such  participation  and the other  party  agrees to
reimburse and indemnify such party for and against any and all costs and damages
related thereto.

                  5.9. Public Announcements.  The parties hereto shall cooperate
with each other, and obtain each other's prior approval,  in the development and
distribution of all news releases and other public  disclosures  with respect to
this Agreement or any of the transactions  contemplated hereby, except as may be
otherwise  required by law or regulation or as to which the party releasing such
information  has used all reasonable  efforts to discuss with the other party in
advance.

                  5.10. Failure to Fulfill Conditions.  In the event that United
or Raritan  determines that a material condition to its obligation to consummate
the transactions contemplated hereby cannot be fulfilled on or prior to June 30,
1999 (the  "Cutoff  Date")  and that it will not waive that  condition,  it will
promptly  notify  the  other  party.   Except  for  any  acquisition  or  merger
discussions  United may enter into with other  parties,  Raritan and United will
promptly  inform  the  other of any  facts  applicable  to  Raritan  or  United,
respectively, or their respective directors or officers, that would be likely to
prevent or materially delay approval of the Merger by any governmental authority
or which would otherwise prevent or materially delay completion of the Merger.

                  5.11. Disclosure  Supplements.  From time to time prior to the
Effective Time, each party hereto will promptly  supplement or amend (by written
notice to the other) its  respective  Disclosure  Schedules  delivered  pursuant
hereto  with  respect  to any  matter  hereafter  arising  which,  if  existing,
occurring or known at the date of this Agreement, would have been required to be
set forth or  described  in such  Schedules or which is necessary to correct any
information  in such  Schedules  which has been rendered  materially  inaccurate
thereby. For the purpose of determining satisfaction of the conditions set forth
in Article VI, no  supplement  or amendment to such  Schedules  shall correct or
cure any warranty which was untrue when made, but  supplements or amendments may
be used to disclose  subsequent  facts or events to maintain the truthfulness of
any warranty.

                  5.12     Transaction Expenses of Raritan.

                  (a) To the extent not already done,  Raritan  shall  promptly,
but in any event within 30 days,  after the execution of this  Agreement ask all
of its attorneys and other  professionals to render current and correct invoices
for all unbilled  time and  disbursements,  and request  that its  professionals
render  monthly  invoices  within 30 days after the end of each  month.  Raritan
shall accrue and/or pay all of such amounts as soon as possible.

                  (b) United and Raritan  shall  jointly  make all  arrangements
with    respect   to   the   printing   and   mailing   of   the   Joint   Proxy
Statement/Prospectus.

                  5.13.  Closing.  The parties  hereto shall  cooperate  and use
reasonable  efforts to try to cause the Effective Time to occur during  January,
1999.

                  5.14.    Indemnification.

                  (a) For a period of six years after the Effective Time, United
shall indemnify, defend and hold harmless each person who is now, or has been at
any time prior to the date hereof or who becomes prior to the Effective  Time, a
director  or officer of Raritan or the Bank  (collectively,  the  "Indemnitees")
against  any and all  claims,  damages,  liabilities,  losses,  costs,  charges,
expenses (including, without limitation,  reasonable costs of investigation, and
the reasonable  fees and  disbursements  of legal counsel and other advisers and
experts  as  incurred),   judgments,   fines,  penalties  and  amounts  paid  in
settlement,  asserted  against,  incurred by or imposed upon any  Indemnitee  by
reason of the fact that he or she is or was a director  or officer of Raritan or
the Bank or acted as a  director  or  officer  of a third  party at the  written
request of Raritan or the Bank, in connection  with,  arising out of or relating
to any  threatened,  pending or  completed  claim,  action,  suit or  proceeding
(whether civil, criminal,  administrative or investigative),  including, without
limitation, any and all claims, actions, suits, proceedings or investigations by
or on  behalf  of or in the right of or  against  Raritan  or the Bank or any of
their respective affiliates,  or by any former or present shareholder of Raritan
or the Bank (each a "Claim"  and  collectively,  "Claims"),  including,  without
limitation,  any Claim which is based upon,  arises out of or in any way relates
to the Merger, the Joint Proxy Statement/Prospectus,  this Agreement, any of the
transactions  contemplated  by this  Agreement,  the  Indemnitee's  service as a
member of the Board of Directors of Raritan or the Bank or any committee of such
board, the events leading up to the execution of this Agreement,  any statement,
announcement,  recommendation  or solicitation  made in connection  therewith or
related  thereto (or the absence of any of the  foregoing) and any breach of any
duty in connection with any of the foregoing, in each case to the fullest extent
which Raritan or the Bank, as the case may be, would have been  permitted  under
any applicable  law and its  Certificate  of  Incorporation  and By-Laws had the
Merger not occurred  (and United shall also advance  expenses as incurred to the
fullest extent so permitted).

                  (b) From and after the Effective Time, United shall assume and
honor any obligation of Raritan or the Bank  immediately  prior to the Effective
Time with respect to the  indemnification of the Indemnitees  arising out of the
Certificate of Incorporation or By-Laws of Raritan or the Bank or arising out of
any  written  indemnification  agreements  between  Raritan or the Bank and such
persons  disclosed in the Raritan  Disclosure  Schedule,  as if such obligations
were pursuant to a contract or arrangement  between United and such Indemnitees,
including the obligation to advance expenses  pursuant to Raritan's  Certificate
of Incorporation and Bylaws.

                  (c) In the event  United or any of its  successors  or assigns
(i)  reorganizes  or  consolidates  with or merges into or enters  into  another
business combination  transaction with any other person or entity and is not the
resulting,  continuing or surviving corporation or entity of such consolidation,
merger  or  transaction,  or (ii)  liquidates,  dissolves  or  transfers  all or
substantially  all of its properties  and assets to any person or entity,  then,
and in each such case, proper provision shall be made so that the successors and
assigns of United assume the obligations set forth in this Section 5.14.

                  (d) United shall cause  Raritan's and the Bank's  officers and
directors  to be covered,  for a period of six years after the  Effective  Time,
under (i) United's then current  officers' and  directors'  liability  insurance
policy or (ii) an extension of Raritan's or the Bank's  existing  officers'  and
directors' liability insurance policy. However, United shall only be required to
insure  such  persons  upon  terms and for  coverages  substantially  similar to
Raritan's or the Bank's existing officers' and directors'  liability  insurance,
as the case may be.

                  (e) Any Indemnitee wishing to claim indemnification under this
Section 5.14 shall  promptly  notify United upon learning of any Claim,  but the
failure to so notify  shall not relieve  United of any  liability it may have to
such  Indemnitee if such failure does not materially  prejudice  United.  In the
event of any Claim (whether  arising  before or after the Effective  Time) as to
which  indemnification  under this Section 5.14 is applicable,  (x) United shall
have the right to assume the defense  thereof and United  shall not be liable to
such  Indemnitees  for any legal expenses of other counsel or any other expenses
subsequently incurred by such Indemnitee in connection with the defense thereof,
except  that if United  elects not to assume  such  defense,  or counsel for the
Indemnitees  advises  that there are issues  which raise  conflicts  of interest
between  United  and  the  Indemnitees,   the  Indemnitees  may  retain  counsel
satisfactory  to them, and United shall pay the reasonable  fees and expenses of
such counsel for the Indemnitees as statements therefor are received;  provided,
however,  that United shall be obligated pursuant to this Section 5.14(e) to pay
for  only one firm of  counsel  for all  Indemnitees  in any  jurisdiction  with
respect to a matter unless the use of one counsel for multiple Indemnitees would
present  such  counsel  with a conflict of interest  that is not waivable by the
Indemnitees,  and (y) the Indemnitees  will cooperate in the defense of any such
matter.  United  shall not be liable  for  settlement  of any  claim,  action or
proceeding  hereunder  unless such settlement is effected with its prior written
consent.  Notwithstanding  anything to the contrary in this Section 5.14, United
shall not have any obligation hereunder to any Indemnitee when and if a court of
competent jurisdiction shall ultimately determine,  and such determination shall
have become final and nonappealable, that the indemnification of such Indemnitee
in the manner  contemplated  hereby is prohibited  by  applicable  law or public
policy.

                  5.15. New United and UNB Directors.  As of the Effective Time,
United shall cause its Board of Directors and the UNB Board of Directors to take
action to appoint to the Boards of Directors of United and UNB, respectively, at
the  Effective  Time,  Arlyn D. Rus and one other current  Raritan  director who
shall be proposed by Raritan and approved by United.  Such persons will serve on
separate  classes of the Board of Directors of United and Mr. Rus shall serve as
Vice  Chairman of the Board of United.  As of the Effective  Time,  United shall
cause the UNB Board of Directors  to take action to create an advisory  Board of
Directors and to invite all then  directors of Raritan to serve on such advisory
board.

                  5.16.  Employment  Matters.  In  connection  with the  Merger,
United  and  Raritan  will deal with  employment  and  severance  contracts  and
arrangements  with  officers and employees of Raritan and the Bank in the manner
set forth in Section 5.16 of the Raritan Disclosure Schedule.

                  5.17. Pooling and Tax-Free Reorganization  Treatment.  Neither
United nor Raritan shall  intentionally  take, fail to take or cause to be taken
or not be taken,  any action  within its  control,  whether  before or after the
Effective  Time,  which would  disqualify the Merger as a "pooling of interests"
for accounting  purposes or as a "reorganization"  within the meaning of Section
368(a) of the Code.

                  5.18. Raritan Option Plans. From and after the Effective Time,
each Raritan  Option which is converted to an option to purchase  United  Common
Stock under Section 2.1(b) shall be administered,  operated and interpreted by a
committee  comprised of members of the Board of Directors of United appointed by
the Board of  Directors  of United  (including  one or more former  directors of
Raritan).  United  shall  reserve  for  issuance  the number of shares of United
Common  Stock  necessary  to satisfy  United's  obligations.  United  shall also
register,  if not  previously  registered  pursuant to the 1933 Act,  the shares
authorized for issuance under the Raritan Options so converted.

                  5.19.    Affiliates.

                  (a)  Promptly,  but in any  event  within  30 days,  after the
execution  and delivery of this  Agreement,  (i) Raritan shall deliver to United
(x) a letter  identifying  all persons who, to the knowledge of Raritan,  may be
deemed to be  affiliates  of Raritan  under Rule 145 of the 1933 Act,  including
without  limitation  all directors  and executive  officers of Raritan and (y) a
letter  identifying all persons who, to the knowledge of Raritan,  may be deemed
to be  affiliates  of Raritan as that term  (affiliate)  is used for purposes of
qualifying for pooling-of-interests  accounting treatment; and (ii) United shall
identify to Raritan all persons who, to the  knowledge of United,  may be deemed
affiliates  of  United  as that  term  (affiliates)  is  used  for  purposes  of
qualifying for pooling-of-interests accounting treatment.

                  (b)  Raritan  shall  cause each  director  of Raritan  to, and
Raritan  shall use all  reasonable  efforts to cause each  executive  officer of
Raritan and each other person who may be deemed an  affiliate of Raritan  (under
either Rule 145 of the 1933 Act or the accounting  treatment  rules) to, execute
and deliver to United  within 30 days after the  execution  and delivery of this
Agreement, a letter substantially in the form of Exhibit 5.19 hereto agreeing to
be bound by the  restrictions  of Rule 145 and agreeing to be bound by the rules
which permit the Merger to be treated as a pooling of interests  for  accounting
purposes. In addition, United shall cause each director and executive officer of
United  to,  and  United  shall use all  reasonable  efforts to cause each other
person  who may be  deemed  an  affiliate  of  United  (as that term is used for
purposes of  qualifying  for pooling of  interests)  to,  execute and deliver to
United  within 30 days after the  execution  and delivery of this  Agreement,  a
letter  substantially in the form of Exhibit 5.19.1 hereto in which such persons
agree to be bound by the  rules  which  permit  the  Merger to be  treated  as a
pooling of interests for accounting treatment.

                  (c) United shall use reasonable business efforts to publish as
soon as  possible,  but no later than 20 days  after the end of the first  month
after the  Effective  Time in which  there  are at least 30 days of  post-Merger
combined operations, combined revenues and net income figures as contemplated by
and in accordance with the terms of SEC Accounting Series Release No. 135.

                  5.20.  Compliance  with  the  Industrial  Site  Recovery  Act.
Raritan,  at its sole cost and  expense,  shall use all  reasonable  efforts  to
obtain prior to the Effective Time, with respect to each facility located in New
Jersey  owned  or  operated  by  Raritan  or any  Raritan  Subsidiary  (each,  a
"Facility"),  either:  (a) a Letter of  Non-Applicability  ("LNA")  from the New
Jersey  Department  of  Environmental  Protection  ("NJDEP")  stating  that  the
Facility is not an "industrial establishment," as such term is defined under the
Industrial Site Recovery Act ("ISRA"); (b) a Remediation Agreement issued by the
NJDEP  pursuant  to  ISRA  authorizing  the  consummation  of  the  transactions
contemplated by this Agreement;  (c) a Negative Declaration  approval,  Remedial
Action  Workplan  approval,  No  Further  Action  letter  or other  document  or
documents  issued by the NJDEP advising that the  requirements of ISRA have been
satisfied  with respect to the Facility;  or (d) an opinion  addressed to United
from New Jersey legal counsel reasonably acceptable to United to the effect that
ISRA has been complied with, or is  inapplicable,  with respect to the Facility.
In the event Raritan obtains a Remediation Agreement,  Raritan will post or have
posted an  appropriate  Remediation  Funding  Source or will have  obtained  the
NJDEP's approval to self-guaranty any Remediation  Funding Source required under
any such Remediation Agreement.

                                   ARTICLE VI

                               CLOSING CONDITIONS

                  6.1.   Conditions  of  Each  Party's  Obligations  Under  this
Agreement.  The  respective  obligations  of each party under this  Agreement to
consummate  the  Merger  shall  be  subject  to  the  satisfaction,   or,  where
permissible  under  applicable  law, waiver at or prior to the Effective Time of
the following conditions:

                  (a) Approval of Raritan Stockholders;  SEC Registration.  This
Agreement and the transactions  contemplated  hereby shall have been approved by
the  requisite  vote of the  stockholders  of Raritan  and the  shareholders  of
United. The Registration Statement shall have been declared effective by the SEC
and shall not be subject to a stop order or any threatened  stop order,  and the
issuance of the United  Common  Stock shall have been  qualified  in every state
where such qualification is required under the applicable state securities laws.
The United  Common Stock to be issued in connection  with the Merger,  including
United  Common  Stock to be issued  for the  Raritan  Options,  shall  have been
approved for listing on the NASDAQ/NMS.

                  (b)   Regulatory   Filings.   All   necessary   regulatory  or
governmental  approvals and consents  (including without limitation any required
approval  of the  Commissioner,  the FDIC,  the OCC and any  approval  or waiver
required by the FRB) required to consummate the transactions contemplated hereby
shall have been obtained  without any term or condition  which would  materially
impair  the value of Raritan  and the Bank,  taken as a whole,  to  United.  All
conditions  required to be satisfied prior to the Effective Time by the terms of
such approvals and consents shall have been satisfied; and all statutory waiting
periods in respect thereof shall have expired.

                  (c) Suits and Proceedings.  No order, judgment or decree shall
be  outstanding  against a party  hereto or a third  party  that  would have the
effect of preventing  completion  of the Merger;  no Legal  Proceeding  shall be
pending or threatened by any governmental body in which it is sought to restrain
or prohibit the Merger or the Bank Merger.

                  (d) Tax Free Exchange.  United and Raritan shall have received
an opinion, satisfactory to United and Raritan, of Pitney, Hardin, Kipp & Szuch,
counsel for United, issued in reliance on tax representation letters from United
and Raritan that are customary and reasonable  under the  circumstances,  to the
effect that the transactions contemplated hereby will result in a reorganization
(as defined in Section 368(a) of the Code), and accordingly no gain or loss will
be recognized  for federal  income tax purposes to United,  Raritan,  UNB or the
Bank or to the  stockholders of Raritan who exchange their shares of Raritan for
United  Common  Stock  (except to the extent  that cash is  received  in lieu of
fractional shares of United Common Stock).

                  (e) Pooling of Interests.  The Merger shall be qualified to be
treated by United as a  pooling-of-interests  for accounting purposes and United
shall have  received a letter from KPMG Peat  Marwick LLP to the effect that the
Merger will qualify for pooling-of-interests  accounting treatment if closed and
consummated in accordance with this Agreement.

                  6.2.  Conditions  to the  Obligations  of  United  Under  this
Agreement.  The  obligations  of United  under this  Agreement  shall be further
subject to the satisfaction or waiver, at or prior to the Effective Time, of the
following conditions:

                  (a) Representations and Warranties; Performance of Obligations
of Raritan and Bank. The  representations and warranties of Raritan contained in
this Agreement,  other than  representations  and warranties which are expressly
stated  to be made as of the date  hereof or as of any  other  particular  date,
shall be true and  correct on the  Closing  Date as though made on and as of the
Closing  Date.  Raritan  shall  have  performed  in all  material  respects  the
agreements,  covenants and obligations  necessary to be performed by it prior to
the Closing Date. With respect to any representation or warranty which as of the
Closing Date has required a  supplement  or amendment to the Raritan  Disclosure
Schedule to render such  representation  or warranty  true and correct as of the
Closing Date, the  representation  and warranty shall be deemed true and correct
as of the Closing Date only if (i) the  information  contained in the supplement
or amendment to the Disclosure  Schedule related to events  occurring  following
the execution of this Agreement and (ii) the facts  disclosed in such supplement
or amendment would not either alone,  or together with any other  supplements or
amendments to the Raritan Disclosure  Schedule,  materially adversely effect the
representation as to which the supplement or amendment relates.  In interpreting
this Section 6.2(a) and Section 7.1(d) hereof,  no representation or warranty of
Raritan shall be deemed untrue or incorrect,  and Raritan shall not be deemed to
have breached a representation or warranty,  as a consequence of any fact, event
or circumstance  unless such fact, event or circumstance,  individually or taken
together with all other facts,  events or  circumstances  inconsistent  with any
representation  or warranty of Raritan contained in this Agreement has had or is
reasonably  likely to have a material  adverse  effect on Raritan  and the Bank,
taken as a whole, from that disclosed by Raritan on the date of this Agreement.

                  (b) Consents.  United shall have received the written consents
of any person whose consent to the transactions  contemplated hereby is required
under the applicable instrument.

                  (c) Opinion of Counsel.  United shall have received an opinion
of counsel to  Raritan,  dated the date of the  Closing,  in form and  substance
reasonably  satisfactory  to United,  covering the matters set forth on Schedule
6.2 hereto and any other matters reasonably requested by United.

                  (d) Bank  Action.  The Bank  shall  have  taken all  necessary
corporate  action  to  effectuate  the Bank  Merger  immediately  following  the
Effective Time.

                  (e)  Certificates.  Raritan shall have  furnished  United with
such certificates of its officers or other documents to evidence  fulfillment of
the conditions set forth in this Section 6.2 as United may reasonably request.

                  (f) Environmental Law Compliance. Raritan shall have obtained,
with  respect to each  Facility,  an LNA, a  Remediation  Agreement,  a Negative
Declaration  approval,  a Remedial  Action  Workplan  approval  (in which  event
Raritan will post or have posted an  appropriate  Remediation  Funding Source or
will have obtained the NJDEP's approval to self-guaranty any Remediation Funding
Source  required  under any such  Remediation  Agreement),  a No Further  Action
letter or other  document or  documents  issued by the NJDEP  advising  that the
requirements  of ISRA have been  satisfied  with  respect to the  Facility or an
opinion of the type referred to in Section 5.20(d) hereof.

                  6.3.  Conditions  to the  Obligations  of  Raritan  Under this
Agreement.  The  obligations  of Raritan under this  Agreement  shall be further
subject to the satisfaction or waiver, at or prior to the Effective Time, of the
following conditions:

                  (a) Representations and Warranties; Performance of Obligations
of United.  The  representations  and  warranties  of United  contained  in this
Agreement,  other than representations and warranties which are expressly stated
to be made as of the date hereof or as of any other  particular  date,  shall be
true and correct in all material  respects on the Closing Date as though made on
and  as of the  Closing  Date.  United  shall  have  performed  in all  material
respects, the agreements,  covenants and obligations to be performed by it prior
to the Closing Date. With respect to any  representation or warranty which as of
the Closing Date has required a supplement or amendment to the United Disclosure
Schedule to render such  representation  or warranty  true and correct as of the
Closing Date, the  representation  and warranty shall be deemed true and correct
as of the Closing Date only if (i) the  information  contained in the supplement
or amendment to the Disclosure  Schedule related to events  occurring  following
the execution of this Agreement and (ii) the facts  disclosed in such supplement
or amendment would not either alone,  or together with any other  supplements or
amendments to the United Disclosure  Schedule,  materially  adversely effect the
representation as to which the supplement or amendment relates.  In interpreting
this Section 6.3(a) and Section 7.1(e) hereof,  no representation or warranty of
United shall be deemed  untrue or  incorrect,  and United shall not be deemed to
have breached a representation or warranty,  as a consequence of any fact, event
or circumstance  unless such fact, event or circumstance,  individually or taken
together with all other facts,  events or  circumstances  inconsistent  with any
representation  or warranty of United  contained in this Agreement has had or is
reasonably  likely to have a material adverse effect on United and UNB, taken as
a whole, from that disclosed by United on the date of this Agreement.

                  (b) Opinion of Counsel to United.  Raritan shall have received
an opinion of counsel  to  United,  dated the date of the  Closing,  in form and
substance reasonably satisfactory to Raritan,  covering the matters set forth on
Schedule 6.3 hereto and any other matter reasonably requested by Raritan.

                  (c) Fairness  Opinion.  Raritan shall have received an opinion
from  Endicott  as of the date of this  Agreement  and the date the Joint  Proxy
Statement/Prospectus  is mailed to Raritan's  stockholders,  with respect to the
fairness,  from a  financial  point  of  view,  of  the  Exchange  Ratio  to the
shareholders of Raritan in the Merger.

                  (d) Raritan Directors. Each of United and UNB shall have taken
all action  necessary to appoint two current  Raritan  directors to its Board of
Directors as specified in Section 5.15.

                  (e)  Certificates.  United shall have  furnished  Raritan with
such certificates of its officers or others and such other documents to evidence
fulfillment  of the  conditions  set forth in this  Section  6.3 as Raritan  may
reasonably request.

                  (f) UNB Action.  UNB shall have taken all necessary  corporate
action to effectuate the Bank Merger immediately following the Effective Time.

                                   ARTICLE VII

                        TERMINATION, AMENDMENT AND WAIVER

                  7.1.  Termination.  This Agreement may be terminated  prior to
the Effective  Time,  whether  before or after approval of this Agreement by the
stockholders of Raritan:

                  (a)      By mutual written consent of the parties hereto.

                  (b) By United or Raritan (i) if the  Effective  Time shall not
have  occurred  on or  prior  to the  Cutoff  Date  or  (ii)  if a  vote  of the
stockholders  of Raritan  is taken and such  stockholders  fail to approve  this
Agreement at the meeting (or any adjournment  thereof) held for such purpose, or
(iii) if a vote of the  shareholders  of United  is taken and such  shareholders
fail to approve this Agreement at the meeting (or any adjournment  thereof) held
for such purpose,  unless in each case 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 to be performed or observed by such
party (or, in the case of Raritan,  to be performed or observed by the directors
of Raritan) at or before the Effective Time.

                  (c) By United or Raritan upon  written  notice to the other if
any application for regulatory or governmental  approval necessary to consummate
the Merger and the other transactions contemplated hereby shall have been denied
or  withdrawn  at the request or  recommendation  of the  applicable  regulatory
agency or governmental  authority or by United upon written notice to Raritan if
any such  application is approved with conditions  which  materially  impair the
value of Raritan and the Bank, taken as a whole, to United.

                  (d) By United if (i) there  shall  have  occurred  a  material
adverse change in the business,  operations,  assets, or financial  condition of
Raritan or the Bank,  taken as a whole,  from that  disclosed  by Raritan on the
date  of  this   Agreement;   or  (ii)  there  was  a  material  breach  in  any
representation,   warranty,   covenant,   agreement  or  obligation  of  Raritan
hereunder.

                  (e) By Raritan,  if (i) there  shall have  occurred a material
adverse  change in the business,  operations,  assets or financial  condition of
United or UNB from that  disclosed by United on the date of this  Agreement;  or
(ii)  there was a material  breach in any  representation,  warranty,  covenant,
agreement or obligation of United hereunder.

                  (f) By United or Raritan if any condition to Closing specified
under Article VI hereof  applicable to such party cannot reasonably be met on or
before the Cutoff Date after giving the other party a reasonable  opportunity to
cure any such condition.

                  (g) by  Raritan,  if (either  before or after the  approval of
this  Agreement  by the  stockholders  of  Raritan)  its Board of  Directors  so
determines  by a vote of a majority of the members of its entire  Board,  at any
time during the three business day period  commencing  with (and  including) the
Determination Date, if both of the following conditions are satisfied:

                           (x) the Average  Pre-Closing  Price of United  Common
Stock on the Determination Date (the  "Determination  Price"),  is less than the
United  Floor  Price.  The  "United  Floor  Price" is 85% of the United  Average
Starting Date Price.  The "United Average Starting Date Price" is the average of
the high and low sale price of United Common Stock (i.e.,  $26.188) on September
21,  1998 (the  "Starting  Date"),  as the same shall be adjusted to reflect any
Capital Change; and

                           (y)  (i)  the  quotient   obtained  by  dividing  the
Determination  Price by the United  Average  Starting  Date  Price (the  "United
Ratio")  is less  than  (ii)  the  quotient  obtained  by  dividing  the  number
calculated  using the index of  financial  institutions  set forth on  Exhibit B
hereto (the "Index Price") as of the close of business on the Determination Date
by the  Index  Price  as of the  close  of  business  on the  Starting  Date and
subtracting  0.10 from the  quotient in this clause  (y)(ii)  (such number being
referred to herein as the "Index Ratio").

                  Notwithstanding  the foregoing,  if Raritan elects to exercise
its  termination  right  pursuant to this  subsection  (g), it shall give prompt
written notice to United (provided that such notice of election to terminate may
be withdrawn at any time within the aforementioned  three business day period)).
During the two business day period  commencing  with its receipt of such notice,
United shall have the option of increasing the  consideration  to be received by
the holders of Raritan  Common Stock  hereunder by increasing the Exchange Ratio
to equal  the  lesser  of (i) a number  (rounded  to four  decimals)  equal to a
quotient,  the  numerator of which is the United Floor Price  multiplied  by the
Exchange  Ratio  (as  then  in  effect)  and the  denominator  of  which  is the
Determination  Price,  and (ii) a number  (rounded to four decimals)  equal to a
quotient,  the numerator of which is the Index Ratio  multiplied by the Exchange
Ratio (as then in effect) and the  denominator of which is the United Ratio.  If
United makes an election contemplated by the preceding sentence, within such two
business  day  period,  it shall give prompt  written  notice to Raritan of such
election and the revised  Exchange  Ratio,  whereupon no termination  shall have
occurred  pursuant to this  subsection  (g) 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 subsection (g).

                  7.2.  Effect of  Termination.  In the event of the termination
and  abandonment  of this  Agreement  by either  United or Raritan  pursuant  to
Section 7.1,  this  Agreement  shall  forthwith  become void and have no effect,
without any  liability  on the part of any party or its  officers,  directors or
stockholders,  except that Sections  5.5(b) and 8.1 hereof shall have continuing
effect as set forth therein.  Nothing contained herein,  however,  shall relieve
any party from any liability for any breach of this Agreement.

                  7.3. Amendment. This Agreement may be amended by mutual action
taken by the  parties  hereto  at any time  before  or  after  adoption  of this
Agreement by the  stockholders of Raritan and, if required,  by the shareholders
of United, but, after any such adoption, no amendment shall be made which, under
applicable  New Jersey or Delaware  law,  cannot be made without the approval of
the stockholders of Raritan or the  shareholders of United,  as the case may be,
without obtaining such approval.  This Agreement may not be amended except by an
instrument in writing signed on behalf of United and Raritan.

                  7.4. Extension;  Waiver. The parties may, at any time prior to
the Effective Time of the Merger, (i) extend the time for the performance of any
of the  obligations  or other acts of the other parties  hereto;  (ii) waive any
inaccuracies in the  representations  and warranties  contained herein or in any
document delivered  pursuant thereto;  or (iii) waive compliance with any of the
agreements  or  conditions  contained  herein.  Any agreement on the part of any
party to any such  extension  or waiver  shall be valid  only if set forth in an
instrument in writing signed on behalf of such party against which the waiver is
sought to be enforced.

                                  ARTICLE VIII

                                  MISCELLANEOUS

                  8.1.  Expenses.  All costs and expenses incurred in connection
with this Agreement and the transactions  contemplated  hereby (including legal,
accounting and investment banking fees and expenses) shall be borne by the party
incurring such costs and expenses,  except that the cost of printing and mailing
the Joint  Proxy  Statement/Prospectus  shall be borne  equally  by the  parties
hereto if the transaction is terminated.

                  8.2. Notices.  All notices or other  communications  which are
required or permitted  hereunder shall be in writing and sufficient if delivered
personally  or sent by  telecopier  with  confirming  copy  sent the same day by
registered or certified mail, postage prepaid, as follows:

                  (a)      If to United, to:

                           United National Bancorp
                           1130 Route 22 East, P.O. Box 6000
                           Bridgewater, New Jersey 08807-0010
                           Attn.:  Thomas C. Gregor, Chairman,
                                    President and Chief Executive Officer

                  With a copy to:

                           Pitney, Hardin, Kipp & Szuch
                           Attn.:  Michael W. Zelenty, Esq.
                           By Hand: 200 Campus Drive
                       Florham Park, New Jersey 07932-0950
                             By Mail: P.O. Box 1945
                        Morristown, New Jersey 07962-1945

                  (b)      If to Raritan, to:

                           Raritan Bancorp Inc.
                           454 Route 28
                           Bridgewater, New Jersey 08807
                           Attn.:  Arlyn D. Rus, Chairman,
                                    President and Chief Executive Officer

                  With a copy to:

                           Luse Lehman Gorman Pomerenk & Schick PC
                           5335 Wisconsin Avenue N.W.
                           Washington, D.C. 20015
                           Attn.:  John J. Gorman

                  or such other  addresses  as shall be  furnished in writing by
any party,  and any such notice or  communications  shall be deemed to have been
given as of the date so delivered or telecopied and mailed.

                  8.3. Parties in Interest. This Agreement shall be binding upon
and shall  inure to the  benefit  of the  parties  hereto  and their  respective
successors  and  permitted  assigns.  Nothing in this  Agreement  is intended to
confer,  expressly  or by  implication,  upon any  other  person  any  rights or
remedies  under or by  reason  of this  Agreement,  except  for the  indemnitees
covered by Section 5.14 hereof.  No  assignment  of this  Agreement  may be made
except upon the written consent of the other parties hereto.

                  8.4.  Entire   Agreement.   This  Agreement,   the  Disclosure
Schedules  hereto and the other documents,  agreements and instruments  executed
and delivered  pursuant to or in connection  with this  Agreement,  contains the
entire  agreement  between the parties  hereto with respect to the  transactions
contemplated   by  this  Agreement  and   supersedes  all  prior   negotiations,
arrangements or understandings, written or oral, with respect thereto; provided,
however,  that if this Agreement is terminated,  the terms of Section 5.5(b) and
(c) and the terms of the  Confidentiality  Agreement  between United and Raritan
dated August 19, 1998 shall remain in effect. If any provision of this Agreement
is found  invalid,  it shall be considered  deleted and shall not invalidate the
remaining provisions.

                  8.5.  Counterparts.  This  Agreement may be executed in one or
more  counterparts,  all of which shall be considered one and the same agreement
and each of which shall be deemed an original.

                  8.6.  Governing Law. This  Agreement  shall be governed by the
laws of the State of New Jersey,  without  giving  effect to the  principles  of
conflicts of laws thereof.

                  8.7.  Descriptive  Headings.  The descriptive headings of this
Agreement are for  convenience  only and shall not control or affect the meaning
or construction of any provision of this Agreement.

                  8.8. Survival. All representations,  warranties and, except to
the extent  specifically  provided  otherwise herein,  agreements and covenants,
other than those  agreements and covenants set forth in Section 5.14 which shall
survive the Merger, shall terminate as of the Effective Time.

                  8.9.   Knowledge.   Representations   made  herein  which  are
qualified  by the phrase to the best of Raritan's  knowledge or similar  phrases
refer as of the date hereof to the best knowledge of the Chief Executive Officer
and the Chief  Lending  Officer  of  Raritan  and  thereafter  refer to the best
knowledge  of  any  senior  officer  of  Raritan  or  any  Raritan   subsidiary.
Representations  made herein  which are  qualified  by the phrase to the best of
United's  knowledge or similar  phrases  refer as of the date hereof to the best
knowledge of the Chief Executive Officer, the Executive Vice President/Legal and
the Chief Financial Officer of United and thereafter refer to the best knowledge
of any senior officer of United or any United subsidiary.

                  [Remainder of this page intentionally left blank]


<PAGE>


                  IN WITNESS  WHEREOF,  United,  UNB,  the Bank and Raritan have
caused this Agreement to be executed by their duly authorized officers as of the
day and year first above written.

<TABLE>
<CAPTION>

<S>                                                  <C>

ATTEST:                                                       UNITED NATIONAL BANCORP


____________________________                         By:__________________________________________
Ralph L. Straw, Jr., Secretary                          Thomas C. Gregor, Chairman, President
                                                                       and Chief Executive Officer


ATTEST:                                                       RARITAN BANCORP INC.


____________________________                         By:_________________________________________
Helen J. Frangelli, Secretary                           Arlyn D. Rus, Chairman, President
                                                                       and Chief Executive Officer


ATTEST:                                                       UNITED NATIONAL BANK


____________________________                         By:__________________________________________
Ralph L. Straw, Jr., Cashier                            Thomas C. Gregor, Chairman, President
                                                                       and Chief Executive Officer


ATTEST:                                                       THE RARITAN SAVINGS BANK


_____________________________                       By:__________________________________________
Helen J. Frangelli, Secretary                           Arlyn D. Rus, Chairman, President
                                                                       and Chief Executive Officer

</TABLE>

<PAGE>


                         CERTIFICATE OF THE DIRECTORS OF
                            RARITAN BANCORP INC. AND
                            THE RARITAN SAVINGS BANK

                  Reference is made to the Agreement  and Plan of Merger,  dated
as of  September  22, 1998 (the  "Agreement"),  among United  National  Bancorp,
United  National  Bank,  Raritan  Bancorp  Inc.,  and The Raritan  Savings Bank.
Capitalized terms used herein have the meanings given to them in the Agreement.

                  Each of the following  persons,  being all of the directors of
Raritan and the Bank,  agrees to vote or cause to be voted all shares of Raritan
Common Stock which are held by such person,  or over which such person exercises
full  voting  control  (other  than  shares  with  respect to which such  person
exercises  control in a fiduciary  capacity,  as to which no  agreement  is made
hereby), in favor of the Merger.


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<PAGE>

                                                   Exhibit A to Merger Agreement


                           AGREEMENT TO MERGE BETWEEN
                              UNITED NATIONAL BANK
                                       AND
                            THE RARITAN SAVINGS BANK
                   UNDER THE CHARTER OF UNITED NATIONAL BANK,
                     UNDER THE TITLE OF UNITED NATIONAL BANK


                  THIS AGREEMENT made between United National Bank  (hereinafter
referred to as "UNB"), a national banking  association  organized under the laws
of the United States, being located at 1130 Route 22 East,  Bridgewater,  County
of Somerset in the State of New Jersey,  with a capital of  $__________  divided
into __________ shares of common stock, each of $_____ par value, $__________ of
surplus,  and  undivided  profits of  $__________  as of June 30, 1998,  and The
Raritan Savings Bank (hereinafter  referred to as "Bank"), a federally-chartered
savings bank  organized  under the laws of the United  States,  being located at
____________________,  with a capital of $__________,  divided into _____ shares
of common stock, each of $_____ par value, surplus of $__________, and undivided
profits of $__________ as of June 30, 1998, each acting pursuant to a resolution
of its board of directors,  adopted by the vote of a majority of its  directors,
pursuant to the authority  given by and in accordance with the provisions of the
Act of November  7, 1918,  as amended (12 U.S.C.  Section  215(a)),  and the New
Jersey Banking Act of 1948, as amended, witnesseth as follows:

                  Section 1. Bank shall be merged  into UNB under the charter of
UNB.

                  Section 2. The name of the receiving association  (hereinafter
referred to as the "Surviving Bank") shall be United National Bank.

                  Section 3. The business of the Surviving Bank shall be that of
a  national  banking  association.  This  business  shall  be  conducted  by the
Surviving  Bank at its main office which shall be located at 1130 Route 22 East,
Bridgewater,  Somerset  County,  New  Jersey,  and  at its  legally  established
branches.

                  Section 4. The amount of capital stock of the  Surviving  Bank
shall be $__________,  divided into __________  shares of common stock,  each of
$_____  par  value,  and at the time the  merger  shall  become  effective,  the
Surviving  Bank shall  have a surplus of  $__________,  and  undivided  profits,
including  capital  reserves,  which when  combined with the capital and surplus
will be equal to the combined capital  structures of the merging banks as stated
in the preamble of this  Agreement,  adjusted  however,  for normal earnings and
expenses between June 30, 1998, and the effective time of the merger.

                  Section 5. All assets of each of the  merging  banks,  as they
exist  at the  effective  time of the  merger,  shall  pass  to and  vest in the
Surviving  Bank without any  conveyance or other  transfer.  The Surviving  Bank
shall be responsible for all of the  liabilities of every kind and  description,
including  liabilities  arising  from the  operation of their  respective  trust
departments,  of each of the merging banks  existing as of the effective time of
the  merger.  After the  effective  time of the  merger,  UNB will  continue  to
maintain the Bank liquidation account established by Bank upon its conversion to
the stock form of organization for the benefit of eligible  account holders.  In
addition,  UNB will also  continue  to  maintain  the Bank  liquidation  account
established in conjunction  with the merger and acquisition of Manville  Savings
with,  and  into  the  Bank.  UNB  will  maintain  both  of  the  aforementioned
liquidation  accounts on the same basis as  immediately  prior to the  effective
time of the merger, and Bank's liquidation  accounts for the benefit of eligible
account  holders  shall  automatically  be  deemed  assumed  by  UNB,  as of the
effective  time of the  merger,  on the same basis as they  existed  immediately
prior to the effective time of the merger.

                  Section 6. Bank shall  contribute  to the  Surviving  Bank its
capital  set forth in the  preamble,  adjusted,  however,  for normal  earnings,
expenses and  dividends  between June 30, 1998,  and the  effective  time of the
merger.

                  UNB shall have on hand at the effective time of the merger its
capital as set forth in the preamble,  adjusted,  however,  for normal earnings,
expenses  and  dividends  between  June 30, 1998 and the  effective  date of the
merger.

                  Section 7. The  stockholders  of UNB shall retain their rights
in  the  capital  stock  presently  outstanding,  which  shall  immediately  and
automatically  become  __________  shares of common stock of the Surviving Bank,
each with $_____ par value,  and the  stockholders  of Bank in exchange  for the
excess acceptable  assets  contributed by their bank to the Surviving Bank shall
be entitled to receive _____ shares of common stock of the Surviving  Bank, each
with $_____ par value.

                  Section 8.  Neither  of the banks  shall  declare  nor pay any
dividend to its stockholders  between the date of this Agreement and the time at
which the merger shall become effective, nor dispose of any of its assets in any
other manner except in the ordinary  course of business  consistent with prudent
banking practice; provided, however, that UNB shall be entitled to pay dividends
to its  parent  without  restriction  and Bank may pay  dividends  to it  parent
consistent  with past practice,  so long as the payment of such dividends  shall
thereby  not  cause a  breach  of any  representation,  covenant,  agreement  or
condition to which the Bank is subject under the Amended and Restated  Agreement
and Plan of  Merger,  dated as of  September  22,  1998  among  United  National
Bancorp, Raritan Bancorp Inc., UNB and Bank (the "Merger Agreement").

                  Section 9. The present  board of  directors of UNB shall serve
as the board of directors of the Surviving Bank until the next annual meeting or
until such time as their  successors have been elected and have qualified.  [add
two Raritan directors]

                  Section 10.  Effective as of the time this merger shall become
effective as specified in the merger  approval to be issued by the Office of the
Comptroller  of the Currency  (the "OCC"),  the articles of  association  of the
resulting  bank shall read in their  entirety as set forth in Schedule 1 annexed
hereto.

                  Section 11. This Agreement  shall be terminated  automatically
if the Merger Agreement is terminated as provided in the Merger Agreement.

                  Section 12. This Agreement  shall be ratified and confirmed by
the affirmative  vote of the stockholders of each of the merging banks owning at
least  two-thirds of its capital stock  outstanding,  at a meeting to be held on
the call of the  directors;  and the merger shall  become  effective at the time
specified in the merger approval to be issued by the OCC.

                  Section  13.  Each  of  the  representations,  warranties  and
covenants of the parties hereto shall  terminate as of the effective time of the
merger,  other than Section 5 hereof which shall survive the  effective  time of
the merger.

                  Section  14. This  Agreement  may be executed in any number of
counterparts,  and each counterpart shall constitute an original instrument, but
all  such  separate   counterparts  shall  constitute  only  one  and  the  same
instrument.

                  Section 15.  Except as governed by federal law, the  validity,
construction  and  enforceability  of this  Agreement  shall be  governed in all
respects by the laws of the State of New Jersey  without regard to its conflicts
of laws or rules.

                  WITNESS,  the  signatures and seals of the merging banks as of
this  __________,  each set by its president or a vice president and attested to
by its cashier or secretary, pursuant to a resolution of its board of directors,
acting by a majority.



ATTEST:                                              UNITED NATIONAL BANK

_______________________                  By:____________________________________


ATTEST:                                              THE RARITAN SAVINGS BANK


________________________                 By:____________________________________


<PAGE>



STATE OF NEW JERSEY  )
                      :  ss.
COUNTY OF __________ )


                  On this ____ day of __________, before me, a Notary Public for
this state and county, personally came ____________________,  of UNITED NATIONAL
BANK, and each of his/her capacity  acknowledged  this instrument to the act and
deed of the association and the seal affixed to it to be its seal.
                  WITNESS my official seal and signature this day and year.

                                                    ----------------------------
(Seal of Notary)


<PAGE>



STATE OF NEW JERSEY  )
                       :ss.
COUNTY OF ___________)



                  On this _____ day of  __________,  before me, a Notary  Public
for this state and county, personally came ____________________,  of THE RARITAN
SAVINGS BANK, and each of his/her capacity  acknowledged  this instrument to the
act and deed of the association and the seal affixed to it to be its seal.
                  WITNESS my official seal and signature this day and year.

                                                    ----------------------------
                                                  (Seal of Notary)

<PAGE>

                                             Schedule 1 to Bank Merger Agreement


                             ARTICLES OF ASSOCIATION
                                       OF
                              UNITED NATIONAL BANK1


                                      NAME

                  FIRST. The title of the Association  shall be "United National
Bank".

                                   MAIN OFFICE

                  SECOND.  The main office of the  Association  shall be at 1130
Route 22 East, Bridgewater, Somerset County, New Jersey. The general business of
the Association shall be conducted at its legally established branches.

                                    DIRECTORS

                  THIRD.  The  Board  of  Directors  of this  Association  shall
consist  of not less than five nor more than  twenty-five  shareholders.  At any
meeting of the  shareholders  held for the  purpose of  electing  Directors,  or
changing the number  thereof,  the number of Directors  may be  determined  by a
majority of the votes cast by the shareholders in person or by proxy. A majority
of the Board of  Directors  shall be  necessary  to  constitute a quorum for the
transaction of business at any Directors' meeting.

                  The Board of Directors of the  Association may be increased by
two between annual  meetings of  shareholders  and vacancies on the Board may be
filled between  annual  meetings of the  shareholders  by a majority vote of the
full  Board,  but in no event  shall the  number of  Directors  exceed the total
number  of  twenty-five  or such  greater  amount  as may  from  time to time be
permitted by the laws of the United States. Any Director so elected by the Board
must comply with the  provisions  of law with respect to the ownership of shares
of the Association.

                           ANNUAL MEETING OF DIRECTORS

                  FOURTH. The regular annual meeting of the shareholders of this
Association  shall be held at its main  office or other  convenient  place  duly
authorized  by the Board of  Directors  on such day of the year as is  specified
therefor in the By-Laws.

                                     CAPITAL

                  FIFTH.  The  amount  of  authorized   capital  stock  of  this
Association shall be $__________  divided into __________ shares of common stock
of the par value per share of $_____ but said capital  stock may be increased or
decreased from time to time in accordance with the provisions of the laws of the
United States.

                  If the capital  stock is increased  by the sale of  additional
shares  thereof,  each  shareholder  shall be  entitled  to  subscribe  for such
additional  shares in  proportion  to the number of shares of said capital stock
owned by him at the time the increase is authorized by the shareholders,  unless
another time subsequent to the date of the shareholders' meeting is specified in
a resolution adopted by the shareholders at the time the increase is authorized.
The Board of Directors shall have the power to prescribe a reasonable  period of
time  within  which the  preemptive  rights to  subscribe  to the new  shares of
capital stock must be exercised.

                  If the capital  stock is increased by a stock  dividend,  each
shareholder  shall be entitled to his  proportionate  amount of such increase in
accordance  with the number of shares of capital  stock owned by him at the time
the increase is authorized by the  shareholders,  unless another time subsequent
to the date of the shareholders' meeting is specified in a resolution adopted by
the shareholders at the time the increase is authorized.

                                    OFFICERS

                  SIXTH. The Board of Directors shall appoint one of its members
President of this  Association,  who shall be Chairman of the Board,  unless the
Board appoints  another  director to be Chairman.  The Board of Directors  shall
have the  power to  appoint  one or more Vice  Presidents,  at least one of whom
shall be authorized,  in the absence of the  President,  to perform all acts and
duties pertaining to the office of the President;  to appoint a Cashier and such
other officers and employees as may be required to transact the business of this
Association;  to fix the salaries to be paid to such  officers or employees  and
appoint others to take their place.

                  The Board of  Directors  shall  have the  power to define  the
duties of the officers and employees of this Association and to require adequate
bonds  from  them for the  faithful  performance  of their  duties;  to make all
By-Laws  that may be lawful for the general  regulation  of the business of this
Association  and the management of its affairs,  and generally to do and perform
all acts that may be lawful for a Board of Directors to do and perform.

                         CHANGE OF MAIN OFFICE; BRANCHES

                  SEVENTH. The Board of Directors shall have the power to change
the  location of the main office of this  Association  to any other place within
the limits of the State of New Jersey,  without the approval of the shareholders
of this  Association  but  subject to the  approval  of the  Comptroller  of the
Currency;  and shall  have the power to change  the  location  of any  branch or
branches of this Association to any other location,  without the approval of the
shareholders of this  Association but subject to the approval of the Comptroller
of the Currency.

                                    EXISTENCE

                  EIGHTH.  The  corporate  existence of this  Association  shall
continue until terminated in accordance with the laws of the United States.

              SPECIAL MEETINGS OF SHAREHOLDERS; NOTICE OF MEETINGS

                  NINTH.  The Board of  Directors  of this  Association,  or any
three or more shareholders owning, in the aggregate, not less than 10 per centum
(10%)  of the  stock of this  Association,  may call a  special  meeting  of the
shareholders at any time.

                  Unless otherwise  provided by the laws of the United States, a
notice of the time, place and purpose of every regular annual, and every special
meeting of the shareholders shall be given by first class mail, postage prepaid,
mailed at least ten days prior to the date of such  meeting to each  shareholder
of record at his address as shown upon the books of this Association.

                                 INDEMNIFICATION

                  TENTH.  Indemnification  or  reimbursement  may be given to an
officer or  director,  as  authorized  by the Board of  Directors,  for expenses
incurred in any legal action where the officer or director is not adjudged to be
guilty  of  gross  negligence,  willful  misconduct  or  criminal  acts  in  the
performance of his duties to the Association.

                                    AMENDMENT

                  ELEVENTH.  Subject to the provisions of the laws of the United
States,  these  Articles  of  Association  may be amended at any  meeting of the
shareholders  for which adequate notice has been given, by the affirmative  vote
of the owners of a majority of the stock of this  Association,  voting in person
or by proxy.


<PAGE>

                                  EXHIBIT 5.19

                            RARITAN AFFILIATE LETTER

                                                              ___________, 1998

United National Bancorp
1130 Route 22 East, P.O. Box 6000
Bridgewater, New Jersey 08807-0010
Attn.:  Thomas C. Gregor, Chairman,
         President and Chief Executive Officer

Gentlemen:

                  I am  delivering  this  letter to you in  connection  with the
proposed merger (the "Merger") of Raritan  Bancorp Inc., a Delaware  corporation
(the "Company") with and into United National Bancorp,  a New Jersey corporation
("United"),  pursuant to the Amended and Restated  Agreement  and Plan of Merger
dated as of September 22, 1998 (the "Agreement") among the Company,  United, The
Raritan  Savings Bank and United  National  Bank. I currently  own shares of the
Company's common stock, par value $.01 per share ("Raritan Common Stock").  As a
result of the Merger, I will receive shares of United's common stock,  $1.25 par
value  ("United  Common  Stock") in exchange  for my Raritan  Common  Stock.  In
addition,  to the extent I own options to acquire  Raritan  Common Stock,  those
options will be  converted in the Merger into United  Common Stock or options to
acquire United Common Stock.

                  I have been  advised  that as of the date of this letter I may
be  deemed to be an  "affiliate"  of the  Company,  as the term  "affiliate"  is
defined  for  purposes  of  paragraphs  (c) and (d) of Rule 145 of the rules and
regulations promulgated under the Securities Act of 1933, as amended (the "Act")
by the Securities and Exchange  Commission  (the  "Commission")  and as the term
"affiliate"  is used for  purposes  of the  Commission's  rules and  regulations
applicable  to the  determination  of whether a merger can be accounted for as a
"pooling of  interests"  as  specified  in the  Commission's  Accounting  Series
Release  135,  as amended by Staff  Accounting  Bulletins  Nos.  65 and 76 ("ASR
135").

                  I represent to and covenant with United that:

                  A. Initial Transfer Restrictions Prior to Merger Consummation.
During the period  beginning  on the date hereof and ending 30 days prior to the
consummation of the Merger, I shall not sell,  transfer or otherwise  dispose of
("transfer")  any Raritan  Common  Stock owned by me, and I shall not permit any
relative  who  shares my home,  or any  person or entity who or which I control,
from  transferring  any  Raritan  Common  Stock  owned by such person or entity,
without notifying United in advance of the proposed transfer and giving United a
reasonable  opportunity  to object  to the  transfer  before it is  consummated.
United, upon advice of its independent public  accountants,  may instruct me not
to make or permit the  transfer  because it may  interfere  with the "pooling of
interests" treatment of the Merger. I shall abide by any such instructions.

                  B.   Later   Pre-Merger   and    Post-Consummation    Transfer
Restrictions.  During the period  beginning 30 days prior to the consummation of
the Merger and ending  immediately  after financial results covering at least 30
days of post-Merger  combined  operations have been published by United by means
of the filing of a Form 10-Q or Form 8-K under the  Securities  Exchange  Act of
1934,  as amended,  the issuance of a quarterly  earnings  report,  or any other
public  issuance  which  satisfies  the  requirements  of ASR 135,  I shall  not
transfer  any  Raritan  Common  Stock  owned by me,  and I shall not  permit any
relative who shares my home, or any person or entity who or which I control,  to
transfer any Raritan  Common Stock owned by such person or entity.  For purposes
of this paragraph,  "Raritan Common Stock" includes the United Common Stock into
which the Raritan Common Stock or Options is converted.

                  C. Need for  Registration  or  Exemption  in  Connection  with
Transfers.  I have been advised  that the issuance of United  Common Stock to me
pursuant to the Merger will be registered with the Commission under the Act on a
Registration  Statement on Form S-4.  However,  I have also been  advised  that,
since I may be deemed to be an  affiliate  of the Company at the time the Merger
is submitted  for a vote of the  Company's  stockholders,  any transfer by me of
United Common Stock  received by me in the Merger is  restricted  under Rule 145
promulgated  by the Commission  under the Act. I may not transfer  United Common
Stock  received by me or by any  relative who shares my home or by any person or
entity who or which I control,  unless (i) such transfer is registered under the
Act,  (ii)  such  transfer  is made in  conformity  with the  volume  and  other
limitations of Rule 145 promulgated by the Commission under the Act, or (iii) in
the  opinion of  counsel  reasonably  acceptable  to United,  such  transfer  is
otherwise exempt from registration under the Act.

                  D. Stop Transfer Instructions;  Legend on Certificates. I also
understand that stop transfer  instructions  will be given to United's  transfer
agents with respect to the United  Common Stock and that there will be placed on
the  certificates of the United Common Stock issued to me or to any relative who
shares  my home or to any  person  or  entity  who or  which I  control,  or any
substitutions therefor, a legend stating in substance:

         "THE  SHARES   REPRESENTED  BY  THIS   CERTIFICATE  WERE  ISSUED  IN  A
TRANSACTION  TO WHICH  RULE 145  PROMULGATED  UNDER THE  SECURITIES  ACT OF 1933
APPLIES.  THE SHARES  REPRESENTED BY THIS CERTIFICATE MAY ONLY BE TRANSFERRED IN
ACCORDANCE  WITH THE TERMS OF AN AGREEMENT  DATED SEPTEMBER 22, 1998 BETWEEN THE
REGISTERED HOLDER HEREOF AND UNITED NATIONAL BANCORP,  A COPY OF WHICH AGREEMENT
IS ON FILE AT THE PRINCIPAL OFFICE OF UNITED NATIONAL BANCORP."

                  E.  Consultation  with  Counsel.  I have  carefully  read this
letter and the Agreement and discussed the  requirements  of such  documents and
other applicable  limitations upon my ability to transfer United Common Stock to
the extent I felt necessary with my counsel or counsel for the Company.

                  Execution of this letter is not an admission on my part that I
am an  "affiliate"  of the Company as described in the second  paragraph of this
letter,  or a waiver of any  rights I may have to object to any claim  that I am
such an  affiliate  on or  after  the date of this  letter.  This  letter  shall
terminate  concurrently with any termination of the Agreement in accordance with
its terms.

                                                              Very truly yours,


                                                              Name:
Accepted this ____ day of
_______________, 1998 by

UNITED NATIONAL BANCORP

By:
    Name:
    Title:


<PAGE>




                                 EXHIBIT 5.19.1
                             UNITED AFFILIATE LETTER

                                                              ____________, 1998

United National Bancorp
1130 Route 22 East, P.O. Box 6000
Bridgewater, New Jersey 08807-0010
Attn.:  Thomas C. Gregor, Chairman,
         President and Chief Executive Officer

Gentlemen:

                  I am  delivering  this  letter to you in  connection  with the
proposed merger (the "Merger") of Raritan  Bancorp Inc., a Delaware  corporation
("Raritan")  with and into United  National  Bancorp,  a New Jersey  corporation
("United"),  pursuant to the Amended and Restated  Agreement  and Plan of Merger
dated as of September 22, 1998 (the "Agreement") among United,  Raritan,  United
National  Bank and The Raritan  Savings Bank. I currently own shares of United's
common stock, $1.25 par value ("United Common Stock").

                  I have been  advised  that as of the date of this letter I may
be deemed to be an  "affiliate" of United,  as the term  "affiliate" is used for
purposes of the rules and regulations of the Securities and Exchange  Commission
(the  "Commission")  applicable to the  determination of whether a merger can be
accounted  for as a "pooling of  interests"  as  specified  in the  Commission's
Accounting Series Release 135, as amended by Staff Accounting  Bulletins Nos. 65
and 76 ("ASR 135").

                  I represent and covenant with United and Raritan that:

                  A. Initial Transfer Restrictions Prior to Merger Consummation.
During the period  beginning  on the date hereof and ending 30 days prior to the
consummation of the Merger, I shall not sell,  transfer or otherwise  dispose of
("transfer")  any United  Common  Stock  owned by me, and I shall not permit any
relative  who  shares my home,  or any  person or entity who or which I control,
from  transferring  any  United  Common  Stock  owned by such  person or entity,
without notifying United in advance of the proposed transfer and giving United a
reasonable  opportunity  to object  to the  transfer  before it is  consummated.
United, upon advice of its independent public  accountants,  may instruct me not
to make or permit the  transfer  because it may  interfere  with the "pooling of
interests" treatment of the Merger. I shall abide by any such instructions.

                  B.   Later   Pre-Merger   and    Post-Consummation    Transfer
Restrictions.  During the period  beginning 30 days prior to the consummation of
the Merger and ending  immediately  after financial results covering at least 30
days of post-Merger  combined  operations have been published by United by means
of filing of a Form 10-Q or Form 8-K under the Securities  Exchange Act of 1934,
the issuance of a quarterly  earnings report, or any other public issuance which
satisfies  the  requirements  of ASR 135, I shall not transfer any United Common
Stock owned by me, and I shall not permit any  relative  who shares my home,  or
any person or entity who or which I control, to transfer any United Common Stock
owned by such person or entity.

                  C.  Consultation  with  Counsel.  I have  carefully  read this
letter and the Agreement and discussed the  requirements  of such  documents and
other applicable  limitations upon my ability to transfer United Common Stock to
the extent I felt necessary with my counsel or counsel for United.

                  Execution of this letter is not an admission on my part that I
am an "affiliate" of United as described in the second paragraph of this letter,
or a waiver of any  rights I may have to  object to any claim  that I am such an
affiliate  on or after the date of this  letter.  This  letter  shall  terminate
concurrently with any termination of the Agreement in accordance with its terms.

                                                            Very truly yours,

                                                   -----------------------------
                                                   Name:

Accepted this ___ day of
____________, 1998 by

UNITED NATIONAL BANCORP

By: ___________________________
   Name:
   Title:


<PAGE>



                                  SCHEDULE 6.2

                         FORM OF OPINION OF COUNSELS TO
                           RARITAN TO BE DELIVERED TO
                          UNITED AT THE EFFECTIVE TIME

   (Capitalized terms used herein and not otherwise defined have the meanings
                          given them in the Agreement)


                  (a)  Raritan is a  corporation  validly  existing  and in good
standing  under the laws of the State of  Delaware.  Raritan  has the  corporate
power and  authority  to own or lease all of its  properties  and  assets and to
carry on its business as described  in the Joint Proxy  Statement/Prospectus  on
page __ under the caption _________________.  Raritan is registered as a holding
company under the BHCA.

                  (b) Each  Subsidiary of Raritan  listed as such in the Raritan
Disclosure  Schedule is validly  existing and in good standing under the laws of
the jurisdiction of its incorporation.  The Bank is a New Jersey-chartered stock
savings bank. The Bank has the corporate power and authority to own or lease all
of its  properties  and assets and to carry on its  business as described in the
Joint Proxy Statement/Prospectus on page __ under the caption _________________.

                  (c) The  authorized  capital  stock  of  Raritan  consists  of
__________  shares of  Raritan  Common  Stock and  _________  shares of  Raritan
Preferred  Stock.  Except for any Raritan Common Stock issuable upon exercise of
outstanding Raritan Options granted pursuant to the Raritan Option Plans and the
United Stock Option,  we have not become aware  (through our  representation  of
Raritan  in  connection  therewith  or in the  course of our  representation  of
Raritan in connection with the Agreement,  or through Raritan's  representations
to us in the  attached  certificate)  of any  outstanding  subscription  rights,
options,  conversion rights,  warrants or other agreements or commitments of any
nature  whatsoever  (either firm or  conditional)  obligating  Raritan to issue,
deliver or sell, cause to be issued,  delivered or sold, or restricting  Raritan
from selling any Raritan Preferred Stock or any additional  Raritan Common Stock
or  obligating  Raritan  to grant,  extend or enter into any such  agreement  or
commitment.  Based solely upon our review of the minute books of Raritan and its
Subsidiaries,  and  without  independent  verification  of the  matters  recited
therein,  all of the  outstanding  shares of capital stock of each Subsidiary of
Raritan  listed as such in the Raritan  Disclosure  Schedule  have been  validly
authorized  and  issued  and we are not aware of any  liens,  claims,  equities,
restrictions or encumbrances created by Raritan on Raritan's ownership thereof.

                  (d) The Agreement has been authorized,  executed and delivered
by Raritan and the Bank and  constitutes  the valid and binding  obligations  of
Raritan and the Bank,  respectively,  enforceable in accordance  with its terms,
except that the enforceability of the obligations of Raritan and the Bank may be
limited  by  bankruptcy,  fraudulent  conveyance,  insolvency,   reorganization,
moratorium,  or laws  affecting bank holding  companies or New  Jersey-chartered
stock  savings  banks or  institutions  the deposits of which are insured by the
FDIC or other laws heretofore or hereafter  enacted relating to or affecting the
enforcement  of  creditors'   rights  generally  and  by  principles  of  equity
(regardless  of whether such  enforceability  is  considered  in a proceeding in
equity or at law).  In addition,  certain  remedial and other  provisions of the
Agreement may be limited by implied covenants of good faith,  fair dealing,  and
commercially  reasonable  conduct,  by judicial  discretion,  in the instance of
equitable remedies, and by applicable public policies and laws.

                  (e) The  execution  and delivery of the Agreement and the Bank
Merger Agreement and the consummation of the transactions  contemplated  thereby
will not (i) conflict  with or violate any  provision of or result in the breach
of any provision of the respective  certificate of incorporation or charter,  as
the case may be, or  by-laws  of  Raritan  or the Bank;  (ii)  conflict  with or
violate in any material respect,  or result in a material breach or violation of
the terms or provisions of, or constitute a default under, or result in (whether
upon or after  the  giving  of  notice  or lapse of time or both)  any  material
obligation  under, any indenture,  mortgage,  deed of trust or loan agreement or
any other agreement, instrument, judgment, order, arbitration award or decree of
which  we are  aware  (through  our  representation  of  Raritan  in  connection
therewith or in the course of our  representation  of Raritan in connection with
the  Agreement,  or  through  Raritan's  representations  to us in the  attached
certificate)  and to which Raritan or the Bank is a party or by which Raritan or
the Bank is bound;  or (iii) cause  Raritan or the Bank to violate any law, rule
or regulation applicable to Raritan or the Bank: except with respect to (ii) and
(iii) above, such as in the aggregate will not have a material adverse effect on
the ability of Raritan and the Bank to consummate the transactions  contemplated
by the Agreement.

                  (f) All actions of the directors and  stockholders  of Raritan
and of the Bank  required  by federal  banking  law or  Delaware  law, or by the
respective  certificate  of  incorporation  or  charter,  as the case may be, or
by-laws of Raritan or the Bank,  to be taken by Raritan or the Bank to authorize
the execution, delivery and performance of the Agreement and consummation of the
Merger have been taken.

                  (g) No approvals, authorizations, consents or other actions or
filings under federal banking law or Delaware law  ("Approvals") are required to
be obtained by Raritan or the Bank in order to permit the execution and delivery
of the Agreement by Raritan and the Bank and the  performance by Raritan and the
Bank of the transactions  contemplated  thereby other than those Approvals which
have been  obtained or those  Approvals  or consents  required to be obtained by
United or UNB, or Approvals not required or necessary to be obtained on the date
hereof.

                  (h) Except as set forth in the Raritan Disclosure Schedule and
in Raritan's  certificate  addressed to us and attached  hereto,  and other than
ordinary  routine  litigation  incidental  to the  business  of  Raritan  or its
Subsidiaries,  we are not aware of any material  action,  suit or  proceeding or
investigation  pending  or  threatened  in  writing  against  or  affecting  the
business,  operations,  property or financial condition of Raritan or any of its
Subsidiaries,  at law or in equity,  in any court or before any Federal,  state,
municipal or other governmental department, commission, board, bureau, agency or
instrumentality,  except those which, if decided  adversely to Raritan or any of
its  Subsidiaries,  would not have a material  adverse effect on Raritan and its
Subsidiaries, taken as a whole; provided, however, we are not counsel to Raritan
or its  Subsidiaries  in any  litigation  and with respect to  litigation we are
relying upon the  representation  and warranty of Raritan made in Section 3.7 of
the Agreement with respect to material  litigation and on Raritan's  certificate
addressed to us and attached hereto.



                                     *******


                  We are not passing  upon and do not assume any  responsibility
for the accuracy,  completeness  or fairness of the statements  and  information
contained  in the Joint Proxy  Statement/Prospectus  and make no  representation
that we have  independently  verified the accuracy,  completeness or fairness of
such statements and information, but, without in any way limiting the generality
of the foregoing,  based upon our review of the Joint Proxy Statement/Prospectus
(i) the Joint Proxy  Statement/Prospectus  (except for financial  statements and
other tabular  financial  information,  and other financial and statistical data
and information,  as to which we express no opinion)  complies as to form in all
material  respects  with the 1934 Act and the  applicable  laws and  regulations
thereunder,  (ii) no facts have come to our attention  that caused us to believe
that (except for financial  statements and other tabular financial  information,
as to which we do not express  any belief) the Joint Proxy  Statement/Prospectus
on  the  date  of  the  mailing  thereof  and on the  date  of  the  meeting  of
stockholders  of Raritan at which the  Agreement  was  approved,  contained  any
untrue  statement of a material fact with respect to Raritan or omitted to state
a  material  fact  with  respect  to  Raritan  necessary  in  order  to make the
statements therein with respect to Raritan,  in light of the circumstances under
which they were made, not misleading.


                                     *******

                  In rendering their opinion, counsel to Raritan (A) may, to the
extent they deem proper and so specify in their  opinion,  rely upon the opinion
of  other  counsel  as to  matters  involving  the  application  of  laws of any
jurisdiction other than the United States, or may exclude from their opinion the
substance  included in the opinions of other counsel  given  directly to Raritan
and (B) may rely, as to matters of fact, on certificates of responsible officers
of Raritan,  the Bank, or other  Subsidiaries  of Raritan and public  officials;
provided  copies of any such opinions or  certificates  are delivered to Raritan
together  with the  opinion to be  rendered  hereunder  by  counsel to  Raritan.
Counsel  to Raritan  may  assume  that any  agreement  is the valid and  binding
obligation of any parties to such agreement  other than Raritan and the Bank. As
to matters of fact,  counsel to Raritan  may also rely upon the  representations
and  warranties  made by  Raritan to Raritan  in the  Agreement  as though  such
representations and warranties were made directly to counsel. Counsel to Raritan
may also rely upon the genuineness of signatures and the authenticity of copies.



<PAGE>

                                  SCHEDULE 6.3

                          FORM OF OPINION OF COUNSEL TO
                            UNITED TO BE DELIVERED TO
                          RARITAN AT THE EFFECTIVE TIME

   (Capitalized terms used herein and not otherwise defined have the meanings
                          given them in the Agreement)


                  (a)  United  is a  corporation  validly  existing  and in good
standing  under the laws of the State of New  Jersey.  United has the  corporate
power and  authority  to own or lease all of its  properties  and  assets and to
carry on its business as described  in the Joint Proxy  Statement/Prospectus  on
page __ under the  caption  _________________.  United is  registered  as a bank
holding company under the BHCA.

                  (b) Each  Subsidiary  of United  listed as such in the  United
Disclosure  Schedule is validly  existing and in good standing under the laws of
the jurisdiction of its  incorporation.  UNB is a national  banking  association
chartered  under the laws of the United States.  UNB has the corporate power and
authority to own or lease all of its  properties  and assets and to carry on its
business as described in the Joint Proxy  Statement/Prospectus  on page __ under
the caption _________________.

                  (c)  The  authorized  capital  stock  of  United  consists  of
___________  shares of common  stock,  ___ par value per share  ("United  Common
Stock").   Except  for  any  United  Common  Stock  issuable  upon  exercise  of
outstanding stock options and stock appreciation  rights granted pursuant to the
United  Option Plan,  we have not become aware  (through our  representation  of
United in connection  therewith or in the course of our representation of United
in connection with the Agreement,  or through United's  representations to us in
the attached  certificate)  of any  outstanding  subscription  rights,  options,
conversion  rights,  warrants or other  agreements or  commitments of any nature
whatsoever (either firm or conditional)  obligating United to issue,  deliver or
sell, cause to be issued,  delivered or sold, or restricting United from selling
any  additional  United  Common Stock or obligating  United to grant,  extend or
enter into any such  agreement  or  commitment  except as may be provided in any
acquisition  agreement  United may enter into after the date of execution of the
Agreement.  Based  solely upon our review of the minute  books of United and its
Subsidiaries,  and  without  independent  verification  of the  matters  recited
therein,  all of the  outstanding  shares of capital stock of each Subsidiary of
United  listed as such in the  United  Disclosure  Schedule  have  been  validly
authorized  and  issued  and we are not aware of any  liens,  claims,  equities,
restrictions or encumbrances  created by United on United's  ownership  thereof.
The United Common Stock to be issued in connection with the Merger in accordance
with Article II of the Agreement,  when so issued in accordance therewith,  will
be duly  authorized,  validly  issued,  fully paid and  non-assessable,  free of
preemptive rights and free and clear of all liens,  encumbrances or restrictions
created by United.

                  (d) The Agreement has been authorized,  executed and delivered
by United and UNB and  constitutes  the valid and binding  obligations of United
and UNB, respectively, enforceable in accordance with its terms, except that the
enforceability  of  the  obligations  of  United  and  UNB  may  be  limited  by
bankruptcy, fraudulent conveyance,  insolvency,  reorganization,  moratorium, or
laws  affecting  institutions  the  deposits of which are insured by the FDIC or
other  laws  heretofore  or  hereafter  enacted  relating  to or  affecting  the
enforcement  of  creditors'   rights  generally  and  by  principles  of  equity
(regardless  of whether such  enforceability  is  considered  in a proceeding in
equity or at law).  In addition,  certain  remedial and other  provisions of the
Agreement may be limited by implied covenants of good faith,  fair dealing,  and
commercially  reasonable  conduct,  by judicial  discretion,  in the instance of
equitable remedies, and by applicable public policies and laws.

                  (e) The  execution  and delivery of the Agreement and the Bank
Merger Agreement and the consummation of the transactions  contemplated  thereby
will not (i) conflict  with or violate any  provision of or result in the breach
of any provision of the respective  certificates of  incorporation or by-laws of
United or UNB; (ii) conflict with or violate in any material respect,  or result
in a material breach or violation of the terms or provisions of, or constitute a
default under, or result in (whether upon or after the giving of notice or lapse
of time or both) any material obligation under, any indenture, mortgage, deed of
trust or loan agreement or any other  agreement,  instrument,  judgment,  order,
arbitration award or decree of which we are aware (through our representation of
United in connection  therewith or in the course of our representation of United
in connection with the Agreement,  or through United's  representations to us in
the  attached  certificate)  and to which  United  or UNB is a party or by which
United or UNB is bound; or (iii) cause United or UNB to violate any law, rule or
regulation  applicable  to United or UNB:  except with respect to (ii) and (iii)
above,  such as in the aggregate will not have a material  adverse effect on the
ability of United and UNB to consummate  the  transactions  contemplated  by the
Agreement.

                  (f) All actions of the  directors and  stockholders  of United
and of UNB  required  by  federal  banking  law or  New  Jersey  law,  or by the
respective  certificates  of  incorporation  or by-laws of United or UNB,  to be
taken by United or UNB to authorize the execution,  delivery and  performance of
the Agreement and consummation of the Merger have been taken.

                  (g)  Assuming  that  there has been due  authorization  of the
Merger by all necessary  corporate and  governmental  proceedings on the part of
Raritan and that  Raritan has taken all action  required to be taken by it prior
to the Effective Time, upon the appropriate filing of the Certificates of Merger
in respect of the Merger with the New Jersey Secretary of State and the Delaware
Secretary of State in accordance  with Section 1.6 of the Agreement,  the Merger
will become effective at the time of such filing,  and upon effectiveness of the
Merger  each share of Raritan  Common  Stock will be  converted  as  provided in
Article II of the Agreement.

                  (h) No approvals, authorizations, consents or other actions or
filings under federal banking law or New Jersey law  ("Approvals")  are required
to be obtained by United or UNB in order to permit the execution and delivery of
the  Agreement  by United and UNB and the  performance  by United and UNB of the
transactions  contemplated  thereby other than those  Approvals  which have been
obtained or those  Approvals  or consents  required to be obtained by Raritan or
the Bank,  and  Approvals  not  required or necessary to be obtained on the date
hereof.

                  (i) Except as set forth in the United Disclosure  Schedule and
in United's  certificate  addressed  to us and attached  hereto,  and other than
ordinary  routine  litigation  incidental  to  the  business  of  United  or its
Subsidiaries,  we are not aware of any material  action,  suit or  proceeding or
investigation  pending  or  threatened  in  writing  against  or  affecting  the
business,  operations,  property or financial  condition of United or any of its
Subsidiaries,  at law or in equity,  in any court or before any Federal,  state,
municipal or other governmental department, commission, board, bureau, agency or
instrumentality,  except those which,  if decided  adversely to United or any of
its  Subsidiaries,  would not have a material  adverse  effect on United and its
Subsidiaries,  taken as a whole; provided, however, we are not counsel to United
or its  Subsidiaries  in  certain  litigation  and  with  respect  to  any  such
litigation we are relying upon the representation and warranty of United made in
Section  4.10 of the  Agreement  with  respect  to  material  litigation  and on
United's certificate addressed to us and attached hereto.

                  (j) The Registration  Statement has been declared effective by
the SEC under the 1933 Act and we are not aware that any stop  order  suspending
the  effectiveness  has been issued under the 1933 Act or  proceedings  therefor
initiated or threatened by the SEC.


                                     *******


                  We are not passing  upon and do not assume any  responsibility
for the accuracy,  completeness  or fairness of the statements  and  information
contained  in the Joint Proxy  Statement/Prospectus  and make no  representation
that we have  independently  verified the accuracy,  completeness or fairness of
such statements and information, but, without in any way limiting the generality
of the foregoing,  based upon our review of the Joint Proxy Statement/Prospectus
(i) the Joint Proxy  Statement/Prospectus  (except for financial  statements and
other tabular  financial  information,  and other financial and statistical data
and information,  as to which we express no opinion)  complies as to form in all
material  respects  with the 1933 Act and the  applicable  laws and  regulations
thereunder,  (ii) no facts have come to our attention  that caused us to believe
that (except for financial  statements and other tabular financial  information,
as to which we do not express  any belief) the Joint Proxy  Statement/Prospectus
on  the  date  of  the  mailing  thereof  and on the  date  of  the  meeting  of
stockholders  of Raritan at which the  Agreement  was  approved,  contained  any
untrue statement of a material fact with respect to United or omitted to state a
material fact with respect to United  necessary in order to make the  statements
therein with respect to United, in light of the  circumstances  under which they
were made, not misleading.


                                     *******

                  In rendering their opinion,  counsel to United (A) may, to the
extent they deem proper and so specify in their  opinion,  rely upon the opinion
of  other  counsel  as to  matters  involving  the  application  of  laws of any
jurisdiction  other than the United  States or the State of New  Jersey,  or may
exclude  from their  opinion the  substance  included  in the  opinions of other
counsel  given  directly to Raritan and (B) may rely,  as to matters of fact, on
certificates of responsible  officers of United,  UNB, or other  Subsidiaries of
United  and  public   officials;   provided  copies  of  any  such  opinions  or
certificates  are delivered to Raritan  together with the opinion to be rendered
hereunder by counsel to United.  Counsel to United may assume that any agreement
is the valid and binding  obligation of any parties to such agreement other than
United.  As to  matters  of fact,  counsel  to  United  may also  rely  upon the
representations  and  warranties  made by United to Raritan in the  Agreement as
though  such  representations  and  warranties  were made  directly  to counsel.
Counsel  to United  may also rely upon the  genuineness  of  signatures  and the
authenticity of copies.


<PAGE>

                                                                    Exhibit B to
                                                                Merger Agreement

<TABLE>
<CAPTION>

                                      Index

                                                                                                          Index
                                                                                                         Weighting
    Company Name                                   Ticker           City                   State           (%)
    <S>                                            <C>             <C>                     <C>                <C> 
    Commerce Bancorp, Inc.                         CBH             Cherry Hill             NJ                 10.95
    S&T Bancorp, Inc.                              STBA            Indiana                 PA                  8.50
    TrustCo Bank Corp NY                           TRST            Schenectady             NY                  8.28
    Provident Bankshares  Corporation              PBKS            Baltimore               MD                  7.80
    UST Corporation                                USTB            Boston                  MA                  7.75
    F&M National Corporation                       FMN             Winchester              VA                  7.43
    First Commonwealth Financial  Corporation
                                                   FCF             Indiana                 PA                  6.97
    Trust Company of New Jersey  (The)             TCNJ            Jersey City             NJ                  5.67
    National Penn Bancshares, Inc.                 NPBC            Boyertown               PA                  4.10
    BT Financial Corporation                       BTFC            Johnstown               PA                  3.82
    USBANCORP, Inc.                                UBAN            Johnstown               PA                  3.55
    Sandy Spring Bancorp                           SASR            Olney                   MD                  3.54
    NBT Bancorp, Inc.                              NBTB            Norwich                 NY                  3.28
    First Western Bancorp, Inc.                    FWBI            New Castle              PA                  3.25
    Harleysville National Corporation              HNBC            Harleysville            PA                  3.16
    BSB Bancorp, Inc.                              BSBN            Binghamton              NY                  3.07
    F&M Bancorp                                    FMBN            Frederick               MD                  2.68
    Community Bank System, Inc.                    CBU             DeWitt                  NY                  2.51
    Arrow Financial Corporation                    AROW            Glen Falls              NY                  2.04
    Sun Bancorp, Inc.                              SNBC            Vineland                NJ                  1.66


</TABLE>

If, at any time after September 21, 1998 and before the Determination  Date, the
common  stock of any company on this  Exhibit B ceases to be publicly  traded or
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,  such company shall
be removed from the Index Group  effective as of the Starting  Date (i.e.,  such
Company  shall not be  considered  part of the Index  Group for any  purposes in
connection with this Merger  Agreement) and the Index Weighting of the remaining
companies in the Index Group shall be increased  proportionately  to their prior
Index  Weighting,  so that the total  Index  Weighting  is 100%.  If any company
belonging   to  the  Index  Group   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 shall be appropriately  adjusted for
the purposes of applying this Exhibit B.






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