UNITED NATIONAL BANCORP
8-K, 1998-07-01
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) June 25, 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.

         On June 25, 1998, United National Bancorp  ("United") and State Bank of
South Orange ("State Bank") issued a press release jointly  announcing that they
have entered into a definitive agreement in which United will acquire State Bank
in  a  tax-free  exchange  of  stock.   State  Bank  is  a  $75  million  asset,
single-office  bank  headquartered in South Orange,  New Jersey. The transaction
will be  accounted  for as a pooling of  interests.  The press  release  and the
Merger Agreement are annexed as Exhibits to this Form 8-K.

         As of June 25,  1998,  State Bank had  639,575  shares of common  stock
outstanding.  Pursuant to the Merger Agreement,  each share of State Bank common
stock will be exchanged for 1.245 shares of United National.

         In connection with the Merger  Agreement,  State Bank granted United an
option to purchase up to 127,275 shares of State Bank's common stock.

         The announced merger is subject to necessary bank regulatory approvals,
the approval of State Bank shareholders and other customary conditions.

                  The  description of the Merger  Agreement and the terms of the
merger  contained in this Form 8-K are qualified in their  entirety by reference
to the Merger Agreement. 

<PAGE>

Item 7.   Exhibits.


     99(a)     Press Release dated June 25, 1998

     99(b)     Agreement and Plan of Merger dated June 25, 1998 by and between
               United National Bancorp and State Bank of South Orange

     99(c)     Stock Option Agreement dated June 25, 1998 by and between
               United National Bancorp and State Bank of South Orange

                                   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: June 29, 1998              By:  THOMAS C. GREGOR
                                       -----------------------------------------
                                       Thomas C. Gregor
                                       Chairman, President and
                                          Chief Executive Officer

<PAGE>

                                INDEX TO EXHIBITS


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

   99(a)       Press Release dated June 25, 1998

   99(b)       Agreement and Plan of Merger dated June 25, 1998 by and between 
               United National Bancorp and State Bank of South Orange

   99(c)       Stock Option Agreement dated June 25, 1998 by and between
               United National Bancorp and State Bank of South Orange



United National Bancorp to Acquire State Bank of South Orange

Bridgewater,  NJ - June 25, 1998 - United National  Bancorp  (Nasdaq:  UNBJ) and
State Bank of South  Orange  jointly  announced  that they have  entered  into a
definitive  agreement in which  United  National  will  acquire  State Bank in a
tax-free  exchange of stock.  State Bank is a $75 million  asset,  single-office
bank  headquartered  in  South  Orange,  New  Jersey.  The  transaction  will be
accounted for as a pooling of interests.

"We  believe  that  acquisitions  of  quality  institutions  like State Bank are
important to our strategy of expanding our presence  into key  markets,"  stated
Thomas C. Gregor,  chairman and chief executive officer of United National.  "We
look forward to introducing  State Bank customers,  as well as South Orange area
residents and businesses,  to our personalized style of banking. United National
Bank  will  offer an  expanded  product  line  including  trust  and  investment
services, and a full array of personal, mortgage, and commercial loans."

"We are delighted to join forces with United National," stated Milton J. Wigder,
chairman and founder of State Bank. "United National offers additional  services
while  maintaining he same high level of service and community  focus that State
Bank has  traditionally  offered.  We are convinced  that our  shareholders  and
customers alike will benefit from this transaction.

The merger agreement provides that each share of State Bank common stock will be
exchanged for 1.245 shares of United National.  State Bank currently has 639,575
shares of  common  stock  outstanding.  This  acquisition  is  conditioned  upon
receiving necessary bank regulatory approvals,  the approval of the shareholders
of State Bank and other customary  conditions.  The merger  agreement  grants to
United National an option, exercisable in certain circumstances,  to purchase up
to 172,275 shares of State Bank common stock. It is anticipated  that the merger
will be consummated before year-end.

United National  Bancorp,  headquartered in Bridgewater,  New Jersey,  is a $1.3
billion asset  commercial  bank holding  company whose  principal  subsidiary is
United  National  Bank.  The Bank  operates  26  offices  throughout  Hunterdon,
Middlesex,  Morris,  Somerset,  Union and  Warren  counties  in New  Jersey.  In
addition  to  providing  a  complete  range of  personal  and  business  banking
products,  United National also offers an array of financial  services including
rust, asset management and investment services. United Commercial Capital Group,
a subsidiary of United National Bank,  provides timely and innovative  solutions
for  real  estate  and  commercial  transactions  that do not  fall  within  the
boundaries of traditional  bank  financing.  Visit United  National on the World
Wide Web at www.united-national.com.

Contact:  media,  Donald  Reinhard,  908-429-2370 or investors,  Donald Malwitz,
908-429-2405,  both of United  National,  or James J. Young,  President of State
Bank at 973-762-2000.

                                     # # #




                          AGREEMENT AND PLAN OF MERGER


                  THIS  AGREEMENT AND PLAN OF MERGER,  dated June 25, 1998 (this
"Agreement"),  is among United National Bancorp,  a corporation  chartered under
the laws of the State of New Jersey ("United"), United National Bank, a national
banking  association and subsidiary of United  ("UNB"),  and State Bank of South
Orange,  a commercial  bank chartered  under the laws of the State of New Jersey
("SBSO").

                  WHEREAS,  United  and UNB  desire to  acquire  SBSO and SBSO's
Board  of  Directors  has  determined,  based  upon  the  terms  and  conditions
hereinafter  set forth,  that the  acquisition  described  herein is in the best
interests of SBSO and its stockholders,  the Boards of Directors of SBSO, United
and UNB have each duly  adopted and  approved  this  Agreement  and the Board of
Directors of SBSO has directed  that it be  submitted  to its  shareholders  for
approval; and

                  WHEREAS,  the acquisition will be accomplished by merging SBSO
into UNB with UNB as the surviving  bank,  and SBSO  shareholders  receiving the
consideration hereinafter set forth; and

                  WHEREAS,  simultaneously with the execution of this Agreement,
SBSO has executed and delivered to United a stock option  agreement  (the "Stock
Option  Agreement")  pursuant  to which  SBSO is  issuing an option to United to
purchase  certain  shares of the  authorized  and unissued SBSO Common Stock (as
hereafter  defined),  subject to the terms and conditions set forth in the Stock
Option Agreement (the "United Stock Option").

                  NOW,  THEREFORE,  in  consideration  of the  foregoing and the
mutual covenants and agreements  herein  contained,  and 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 defined in Section  1.6),  SBSO shall be
merged with and into UNB under the charter of UNB (the  "Merger") in  accordance
with the National  Bank Act and the New Jersey  Banking Act of 1948, as amended,
and UNB shall be the surviving bank (the "Surviving Bank").

                  1.2.  Effect  of  the  Merger.  At  the  Effective  Time,  the
Surviving  Bank shall be considered  the same  business and corporate  entity as
each of SBSO and UNB and thereupon  and  thereafter,  all the property,  rights,
powers and  franchises of each of SBSO and UNB shall vest in the Surviving  Bank
and the Surviving  Bank shall be subject to and be deemed to have assumed all of
the debts, liabilities, obligations and duties of each of SBSO 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.

                  1.3.  Articles of Association.  The Articles of Association of
UNB as they exist  immediately prior to the Effective Time shall continue as the
Articles of  Association  of the  Surviving  Bank,  as set forth in Schedule 1.3
hereto,  until otherwise amended as provided by law; provided however,  that UNB
shall have the right,  between  the date  hereof and the  Closing,  to amend its
Articles  of  Association  in a  manner  that  will  not  adversely  affect  the
shareholders  of SBSO and upon the acceptance of such amendment by the Office of
the Comptroller of the Currency (the "OCC"),  the Articles of Association of UNB
as so amended shall be substituted for Schedule 1.3.

                  1.4. Bylaws. The Bylaws of UNB as they exist immediately prior
to the Effective  Time shall  continue as the Bylaws of the Surviving Bank until
otherwise amended as provided by law.

                  1.5. Directors and Officers. The directors and officers of UNB
as of the  Effective  Time shall  continue as the  directors and officers of the
Surviving Bank.

                  1.6.  Effective  Time and  Closing.  The Merger  shall  become
effective  (and be  consummated)  at the date and time  (the  "Effective  Time")
specified in a notice to the OCC (the "OCC  Notice")  which will be filed by UNB
with the approval of SBSO, which approval shall not be unreasonably  withheld or
delayed,  such filing to occur  immediately  after the "Closing" (as hereinafter
defined) is  consummated.  A closing (the  "Closing")  shall take place at 10:00
a.m.,  on a day mutually  agreed to by United and SBSO within ten (10)  business
days following the "Determination Date" (as hereinafter  defined), at the office
of Pitney,  Hardin,  Kipp & Szuch,  Florham Park,  New Jersey,  or at such other
place,  time or date as UNB and SBSO may  mutually  agree  upon.  The OCC Notice
shall  specify as the  Effective  Time the close of  business on the date of the
Closing  unless a  different  Effective  Time is agreed to by UNB and SBSO.  The
"Determination Date" shall mean the first 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.

                  1.7.  Capital Stock.  As of March 31, 1998, UNB had capital of
$7,830,007.50,  divided into 3,132,003 shares of common stock, each of $2.50 par
value, $64,299,000 of surplus, and undivided profits of $53,634,000. As of March
31, 1998, SBSO had capital of $3,197,875,  divided into 639,575 shares of common
stock, each of $5.00 par value, $1,802,355 of surplus, and $968,975 of undivided
profits.  At the  Effective  Time,  the amount of capital  stock of UNB shall be
$11,027,882.50, divided into 4,411,153 shares of common stock, each of $2.50 par
value,  and UNB shall  have a surplus  of  $66,101,355  and  undivided  profits,
including  capital  reserves,  which when  combined with the capital and surplus
will be equal to the combined  capital  structures  of UNB and SBSO as stated in
the preceding two  sentences,  adjusted  however,  for earnings and expenses and
dividends  declared  and paid by UNB and SBSO  between  March  31,  1998 and the
Effective Time.

                                   ARTICLE II

                 CONVERSION OF STATE BANK OF SOUTH ORANGE SHARES

                  2.1.  Conversion  of SBSO Common  Stock.  Each share of common
stock,  par value $5.00 per share,  of SBSO ("SBSO  Common  Stock"),  issued and
outstanding  immediately  prior to the Effective Time (other than shares of SBSO
Common Stock retired pursuant to Section 2.5 and Dissenting Shares as defined in
Section  2.3) shall,  by virtue of the Merger and without any action on the part
of the holder thereof, be converted at the Effective Time as follows:

                  (a) Exchange Ratio.  Subject to the provisions of this Section
2.1, each share of SBSO Common Stock issued and outstanding immediately prior to
the Effective Time  (excluding  shares of SBSO Common Stock retired  pursuant to
Section 2.5 and Dissenting Shares) shall be converted at the Effective Time into
the right to receive 1.245 shares (the "Exchange Ratio") of common stock,  $1.25
par value, of United ("United Common Stock").

                  (b) Fractional  Shares;  Average  Closing Price. No fractional
shares of United  Common Stock shall be issued  pursuant to the Merger,  and, in
lieu thereof,  a cash payment shall be made based on the average of the "Closing
Prices" (as  hereinafter  defined) of United Common Stock during the first 10 of
the 15 consecutive  trading days  immediately  preceding the date of the Closing
(the "Average Closing Price of United Common Stock"). The "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
published in The Wall Street  Journal.  A "trading  day" shall mean any business
day on which United Common Stock is actually traded on NASDAQ/NMS.

                  (c) Capital Changes. If between the date of this Agreement and
the Effective Time the outstanding shares of United Common Stock shall have been
changed into a different number of shares or a different class, by reason of any
stock dividend, stock split, reclassification,  recapitalization, combination or
exchange of shares,  the  Exchange  Ratio shall be  correspondingly  adjusted to
reflect such stock dividend,  stock split,  reclassification,  recapitalization,
combination or exchange of shares.

                  (d)  Cancellation  of SBSO  Certificates.  After the Effective
Time,  each such share of SBSO Common Stock shall no longer be  outstanding  and
shall   automatically  be  cancelled,   and  each  of  the   certificates   (the
"Certificates")  previously  evidencing  any such  shares of SBSO  Common  Stock
outstanding  immediately  prior to the Effective Time (other than shares of SBSO
Common  Stock  retired  pursuant to Section  2.5 and  Dissenting  Shares)  shall
thereafter  represent  the  right to  receive  the  consideration  described  in
Sections 2.1(a) and 2.1(b) hereof.  After the Effective Time, the holders of the
Certificates  shall cease to have any rights with respect to such shares of SBSO
Common  Stock except as otherwise  provided  herein or by law. The  Certificates
shall be exchanged  for  certificates  evidencing  shares of United Common Stock
issued  pursuant to this Article II, upon the surrender of such  Certificates in
accordance with this Article II.

                  2.2.  Exchange of Shares.

                  (a) SBSO and United agree to appoint The Bank of New York,  or
such other bank as United (with the consent of SBSO,  which consent shall not be
unreasonably  withheld)  shall  designate,  as the Exchange Agent (the "Exchange
Agent") for purposes of effecting the conversion of SBSO Common Stock  described
herein.  All fees and expenses of the Exchange Agent shall be paid by United. At
the  Effective  Time,  United shall  deposit with the  Exchange  Agent,  for the
benefit of the holders of SBSO Common Stock,  the  consideration to be furnished
to such holders pursuant to Section 2.1 hereof. As soon as practicable after the
Effective  Time,  the  Exchange  Agent shall  mail,  to each holder of record (a
"Record Holder") of shares of SBSO Common Stock outstanding immediately prior to
the Effective  Time, a letter of transmittal  (which shall specify that delivery
of the  Certificates  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).
Such letter of transmittal and  instructions  shall be in the form and substance
of a letter of transmittal and instructions  which shall have been submitted to,
and  approved  by,  SBSO  prior  to the  Effective  Time.  Upon  surrender  of a
Certificate 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  Certificate  the  consideration  as
provided  in Section 2.1 hereof and the  Certificates  so  surrendered  shall be
cancelled.  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 Certificate
for exchange or, in lieu 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 (other
than holders of Dissenting Shares, as such term is defined in Section 2.3) shall
be deemed  shareholders  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.

                  (b) After the Effective  Time,  there shall be no transfers on
the stock  transfer  books of SBSO of the shares of SBSO 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 cancelled and
exchanged for the consideration as provided in Section 2.1 hereof.

                  (c) If payment of the consideration as provided in Section 2.1
hereof  is to be  made  in a name  other  than  that in  which  the  Certificate
surrendered in exchange therefor is registered,  it shall be a condition of such
payment  that the  Certificate  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 Certificate
surrendered,  or  required  for any  other  reason,  or shall  establish  to the
reasonable  satisfaction of the Exchange Agent that such tax has been paid or is
not payable.

                  2.3.  Dissenting  Shares.  Notwithstanding  anything  in  this
Agreement to the contrary,  any holder of SBSO Common Stock shall have the right
to dissent in the manner  provided in the National  Bank Act, 12 U.S.C.  Section
215a, and if all necessary  requirements  of the National Bank Act are met, such
shares  shall be  entitled to payment in cash from UNB of the fair value of such
shares as  determined  in  accordance  with the National Bank Act. All shares of
SBSO Common Stock as to which the holder properly  exercises  dissenters' rights
in accordance with the National Bank Act shall  constitute  "Dissenting  Shares"
unless  and until  such  rights  are  waived by the party  initially  seeking to
exercise such rights.

                  2.4 UNB  Common  Stock.  The  shares  of  common  stock of UNB
outstanding immediately prior to the Effective Time shall not be affected by the
Merger but shall be the same number of shares of the Surviving Bank.

                  2.5  Certain  SBSO Shares  Retired.  Each share of SBSO Common
Stock that is either (a) owned by United or any direct or indirect  wholly-owned
subsidiary of United (other than shares held in trust accounts, managed accounts
or in any similar  manner as trustee or in a fiduciary  capacity and shares held
as collateral  or in lieu of a debt  previously  contracted)  or (b) held in the
treasury of SBSO shall be  cancelled  and retired at the  Effective  Time and no
capital stock of United,  cash or other consideration shall be paid or delivered
in exchange therefor.

                                   ARTICLE III

          REPRESENTATIONS AND WARRANTIES OF STATE BANK OF SOUTH ORANGE

                  References herein to the "SBSO 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 SBSO to
United  and UNB.  SBSO  hereby  represents  and  warrants  to United  and UNB as
follows:

                  3.1.  Organization.

                  (a) SBSO is a New Jersey  banking  corporation  whose deposits
are  insured  by the  Bank  Insurance  Fund  of the  Federal  Deposit  Insurance
Corporation  (the "FDIC") to the fullest  extent  permitted by law. SBSO is duly
organized,  validly existing and in good standing under the laws of the State of
New Jersey.  SBSO 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  and is in good
standing 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,  qualified or in good standing would not have a material adverse
effect on the business,  operations,  assets or financial condition of SBSO. The
SBSO Disclosure  Schedule sets forth true and complete copies of the Certificate
of Incorporation and Bylaws of SBSO as in effect on the date hereof.

                  (b) SBSO has only one "Subsidiary"  (as hereinafter  defined),
which  Subsidiary  is  identified  in the  SBSO  Disclosure  Schedule.  The SBSO
Subsidiary is now, and at all times since its formation has been, inactive,  and
SBSO has not previously had any active Subsidiaries. The term "Subsidiary", when
used in this  Agreement  with  respect  to SBSO,  means any  corporation,  joint
venture,  association,  partnership,  trust or other  entity in which  SBSO has,
directly  or  indirectly,  at least a 50 percent  interest  or acts as a general
partner.  Except as set forth in the SBSO Disclosure Schedule, SBSO 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 real estate used for its banking premises and real estate in
foreclosure.

                  3.2.  Capitalization.  The  authorized  capital  stock of SBSO
consists of 800,000  shares of SBSO Common Stock.  As of the date hereof,  there
were 639,575 shares of SBSO Common Stock issued and outstanding and no shares of
SBSO Common Stock held in the  treasury.  As of the date  hereof,  there were no
shares of SBSO  Common  Stock  issuable  upon  exercise of  outstanding  options
granted  pursuant  to any SBSO stock  option  plan.  All issued and  outstanding
shares of SBSO Common Stock have been duly  authorized and validly  issued,  and
are fully paid and no assessment  has been made on such shares.  The  authorized
but unissued shares of SBSO Common Stock are not subject to pre-emptive  rights.
Except for the United Stock Option,  SBSO does not have, nor is it 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 SBSO 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 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 SBSO, and subject to the
parties obtaining all necessary  regulatory  approvals,  SBSO has 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 SBSO.  Except for the consents and approvals  described in
paragraph  (b) below,  no other  corporate  proceedings  on the part of SBSO are
necessary to consummate the transactions contemplated hereby. This Agreement has
been duly and validly  executed and delivered by SBSO and  constitutes the valid
and binding obligation of SBSO,  enforceable against SBSO 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
state-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  and delivery of this  Agreement by
SBSO, nor the  consummation by SBSO of the transactions  contemplated  hereby in
accordance with the terms hereof, or compliance by SBSO with any of the terms or
provisions  hereof,  will (i) violate any  provision  of SBSO's  Certificate  of
Incorporation  or other governing  instrument 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 SBSO or any of its  properties  or assets,  or (iii) except as set
forth in the SBSO  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  properties  or  assets  of  SBSO  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 SBSO is a party, or
by which it or any of its 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  SBSO,  or  the  ability  of  SBSO  to  consummate  the
transactions  contemplated  hereby.  Except for  consents  and  approvals  of or
filings  or  registrations  with or  notices to the FDIC,  the  Commissioner  of
Banking of the State of New Jersey (the "Commissioner"), and the stockholders of
SBSO, no consents or approvals of or filings or registrations with or notices to
any public body or authority are necessary on behalf of SBSO in connection  with
(x)  the  execution  and  delivery  by  SBSO  of  this  Agreement  and  (y)  the
consummation by SBSO of the transactions contemplated hereby.

                  3.4.  Financial Statements.

                  (a) The SBSO  Disclosure  Schedule  sets  forth  copies of the
statements  of  condition  of SBSO as of  December  31,  1996 and 1997,  and the
related  statements  of  income,  stockholders'  equity  and cash  flows for the
periods  ended  December  31 in each of the three years 1995  through  1997 (the
"SBSO  Audited  Statements"),  in each case  accompanied  by the audit report of
Arthur Andersen,  LLP,  independent public accountants with respect to SBSO, and
the  unaudited  statement  of  condition  as of March 31,  1998 and the  related
unaudited statement of income of SBSO for the three months ended March 31, 1998,
as filed with the FDIC (the "SBSO Unaudited  Statements" and,  collectively with
the SBSO Audited Statements, the "SBSO Financial Statements").  The SBSO Audited
Statements  (including the related notes) have been prepared in accordance  with
generally accepted accounting  principles ("GAAP")  consistently  applied during
the  periods  involved.  The SBSO  Unaudited  Statements  have been  prepared in
accordance  with  FDIC  accounting   requirements  ("RAP")  applicable  to  such
statements  consistently  applied  during the periods  involved  (except for the
notes associated with such unaudited statements, which notes are not required by
RAP). The SBSO Financial  Statements  fairly present the financial  condition of
SBSO as of the respective dates set forth therein and fairly present the results
of  the  operations,  and  with  respect  to the  SBSO  Audited  Statements  the
stockholders'  equity and cash  flows,  of SBSO for the  respective  periods set
forth therein.

                  (b) The  books  and  records  of SBSO  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 SBSO Audited  Statements  (including the notes thereto),
as of December  31, 1997 SBSO did not have any  liabilities,  whether  absolute,
accrued,   contingent  or  otherwise,   which  are  material  to  the  business,
operations, assets or financial condition of SBSO and which are required by GAAP
to be  disclosed  in the SBSO  Audited  Statements.  Except as and to the extent
reflected,  disclosed  or  reserved  against  in the SBSO  Unaudited  Statements
(including  the  notes  thereto),  as of March  31,  1998  SBSO did not have any
liabilities,  whether  absolute,  accrued,  contingent or  otherwise,  which are
material to the business,  operations, assets or financial condition of SBSO and
which are  required by RAP to be  disclosed  in the SBSO  Unaudited  Statements.
Since  March  31,  1998  and to the  date  hereof,  SBSO  has not  incurred  any
liabilities  except in the  ordinary  course of  business  and  consistent  with
prudent  banking  practice  or  except  as  specifically  contemplated  by  this
Agreement.

                  3.5.  Financial  Advisor;  Broker's  and Other Fees.  SBSO has
retained Ryan,  Beck & Co., Inc.  ("Ryan Beck") to render a fairness  opinion in
connection with the Merger.  Ryan Beck has rendered its fairness  opinion on the
date  hereof.  Except for Ryan Beck,  neither  SBSO nor any of its  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.  Except as set forth in the SBSO
Disclosure Schedule,  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 SBSO.

                  3.6.  Absence of Certain Changes or Events.

                  (a) Except as set forth in the SBSO Disclosure Schedule, there
has not been any material adverse change in the business,  operations, assets or
financial condition of SBSO since March 31, 1998 (including without limitation a
material  adverse change arising from the  institution of Legal  Proceedings (as
defined in Section 3.7) or the  occurrence  of a default as described in Section
3.13(c)),  and to SBSO's  knowledge,  no facts or  conditions  exist (other than
regional or national  economic  conditions which affect  financial  institutions
generally)  which are reasonably  likely to cause such a material adverse change
in the future.

                  (b)   Except   for  the   negotiation   of  the   transactions
contemplated  by this Agreement or as otherwise set forth in the SBSO Disclosure
Schedule,  SBSO has not  taken or  permitted  any of the  actions  set  forth in
Section  5.2  hereof  between  March 31,  1998 and the date  hereof and SBSO has
conducted  its  business  only in the  ordinary  course,  consistent  with  past
practice.

                  3.7.  Legal  Proceedings.  Except  as  disclosed  in the  SBSO
Disclosure  Schedule,  as of the date of this  Agreement  SBSO is not a party to
any,  and there are no  pending  or, to  SBSO's  knowledge,  threatened,  legal,
administrative,  arbitral or other proceedings,  claims, actions or governmental
investigations of any nature ("Legal  Proceedings")  against SBSO or against any
present or former SBSO  officer or director in their  capacity as a SBSO officer
or  director  which  are  material  to SBSO.  Except  as  disclosed  in the SBSO
Disclosure Schedule, as of the date of this Agreement SBSO is not a party to any
material  order,  judgment  or decree  entered  against  SBSO in any  lawsuit or
proceeding.

                  3.8.  Taxes and Tax Returns.

                  (a) SBSO has duly filed (and until the Effective  Time will so
file) all returns,  declarations,  reports,  information  returns and statements
("Returns")  required  to be filed by it in  respect of any  federal,  state and
local taxes (including  withholding taxes, penalties or other payments required)
and 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. SBSO has established (and until the Effective Time will establish) on its
books and records  reserves  that it  reasonably  believes  are adequate for the
payment of all federal,  state and local taxes not yet due and payable,  but are
anticipated to be incurred in respect of SBSO through the Effective Time. Except
as set forth in the SBSO Disclosure Schedule,  the federal income tax returns of
SBSO 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 SBSO
Disclosure  Schedule,  the applicable state income tax returns of SBSO 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 SBSO,  there are no audits or other  administrative  or court
proceedings presently pending, or claims asserted, for taxes or assessments upon
SBSO nor has SBSO given any currently outstanding waivers or comparable consents
regarding  the  application  of the statute of  limitations  with respect to any
taxes or tax Returns.

                  (b) Except as set forth in the SBSO Disclosure Schedule,  SBSO
(i) has not  requested any extension of time within which to file any tax Return
which  Return has not since  been  filed,  (ii) is not a party to any  agreement
providing  for the  allocation  or sharing of taxes,  (iii) is not  required  to
include in income any  adjustment  pursuant  to Section  481(a) of the  Internal
Revenue Code of 1986, as amended (the "Code"),  by reason of a voluntary  change
in accounting  method  initiated by SBSO (nor does SBSO have any knowledge  that
the IRS has proposed any such  adjustment  or change of  accounting  method) and
(iv) has not 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 SBSO Disclosure Schedule,  SBSO
does not maintain or contribute 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 "SBSO Pension Plans"), "employee welfare benefit
plan",  within the meaning of Section 3(1) of ERISA (the "SBSO Welfare  Plans"),
or any stock option plan,  stock  purchase  plan,  deferred  compensation  plan,
severance plan, bonus plan,  employment agreement or other similar plan, program
or  arrangement.  SBSO has not,  since  September  2, 1974,  contributed  to any
"Multiemployer  Plan",  within the meaning of Sections  3(37) and  4001(a)(3) of
ERISA.  None of the SBSO Pension Plans are subject to Title IV of ERISA, nor has
SBSO sponsored an SBSO Pension Plan that was subject to Title IV of ERISA within
six years from the date hereof.

                  (b) SBSO  has  delivered  to  United  in the  SBSO  Disclosure
Schedule a complete and accurate copy of each of the  following  with respect to
each of the SBSO  Pension  Plans  and SBSO  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) All contributions required to be made to each SBSO 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 SBSO which have
not been paid have been properly recorded on the books of SBSO.

                  (d) Except as disclosed on the SBSO Disclosure Schedule,  each
of the SBSO  Pension  Plans,  the SBSO  Welfare  Plans and each  other  plan and
arrangement  identified  on the SBSO  Disclosure  Schedule has been  operated in
compliance  in all material  respects with the  provisions  of ERISA,  the Code,
regulations,  rulings and announcements  promulgated or issued  thereunder,  and
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, with respect to each of the SBSO Pension
Plans that are intended to satisfy the requirements of Section 401(a) and/or (k)
of the  Code,  and SBSO 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).

                  (e) To the knowledge of SBSO,  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 SBSO
Welfare Plans or SBSO Pension Plans.

                  (f) No SBSO 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 SBSO Pension Plans.

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

                  (h) No SBSO Welfare Plan  provides  medical or death  benefits
beyond an employee's  retirement  or other  termination  of service,  other than
coverage mandated by law.

                  (i) Each SBSO Welfare Plan that provides  health,  life and/or
disability   benefits  is  funded  exclusively  through  insurance  policies  or
contracts.

                  (j) Except as  hereafter  agreed to by United in writing or as
disclosed on the SBSO Disclosure Schedule,  the consummation of the transactions
contemplated  by this  Agreement  will not (i)  entitle  any  current  or former
employee of SBSO 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 SBSO Pension Plan or SBSO Welfare Plan.

                  3.10.  Reports.

                  (a)  The  SBSO  Disclosure   Schedule  lists,   and  SBSO  has
previously  delivered to United a complete  copy of, each  communication  (other
than general  advertising  materials and press  releases)  mailed by SBSO to its
stockholders as a class since January 1, 1996, and each such  communication,  as
of its date,  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
disclosures  as of a later date shall be deemed to modify  disclosures  as of an
earlier date.

                  (b) SBSO has, since January 1, 1996,  duly filed with the FDIC
in correct form the Call Reports  required to be filed under applicable laws and
regulations, and SBSO promptly will deliver or make available to United accurate
and complete  copies of such reports.  The SBSO  Disclosure  Schedule  lists all
examinations  of SBSO conducted by either the FDIC or the New Jersey  Department
of  Banking  since  January  1,  1996  and the  dates of any  responses  thereto
submitted by SBSO.

                  3.11. SBSO Information. The information relating to SBSO to be
contained  in the Proxy  Statement/Prospectus  (as  defined  in  Section  5.6(a)
hereof)  to be  delivered  to  stockholders  of  SBSO  in  connection  with  the
solicitation   of  their  approval  of  this  Agreement  and  the   transactions
contemplated hereby, as of the date the Proxy  Statement/Prospectus is mailed to
stockholders  of  SBSO,  and up to and  including  the  date of the  meeting  of
stockholders to which such 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.  The  information  relating to SBSO in the
Registration  Statement (as defined in Section 5.6(a) hereof), as of the date of
the filing thereof,  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. Except as set forth in
the SBSO  Disclosure  Schedule,  SBSO holds all material  licenses,  franchises,
permits and authorizations necessary for the lawful conduct of its business, 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 SBSO (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 SBSO) and SBSO has not received notice of violation of, nor does it
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 SBSO) of, any of the above.  As of the date of
this  Agreement,  SBSO has not  received  any  written  notice  from any persons
asserting that such person would object to the  consummation of a merger of SBSO
with United or with any other entity due to the CRA  performance of or rating of
SBSO.

                  3.13.  Certain Contracts.

                  (a)  Except  for plans  referenced  in  Section  3.9 hereof or
disclosed in the SBSO Disclosure  Schedule,  (i) SBSO is not a party to or bound
by any contract or understanding  (whether  written or, to its knowledge,  oral)
with respect to the employment or termination of any present or former officers,
employees,  directors or consultants.  The SBSO  Disclosure  Schedule sets forth
true and correct  copies of all written  employment  agreements  or  termination
agreements with officers, employees,  directors, or consultants to which SBSO is
a party.

                  (b) Except as disclosed in the SBSO Disclosure  Schedule,  (i)
as of the  date  of this  Agreement,  SBSO is not a  party  to or  bound  by any
commitment,  agreement or other instrument (excluding commitments and agreements
in connection with extensions of credit by SBSO) which  contemplates the payment
of  amounts  in  excess of  $100,000,  or which  otherwise  is  material  to the
operations, assets or financial condition of SBSO, (ii) no commitment, agreement
or other  instrument to which SBSO is a party or by which it is bound limits the
freedom of SBSO to compete in any line of business or with any person, and (iii)
SBSO is not a party to any collective bargaining agreement.

                  (c) As of the date of this  Agreement,  except as disclosed in
the SBSO  Disclosure  Schedule,  neither SBSO nor, to the knowledge of SBSO, any
other party  thereto,  is in default in any material  respect under any material
lease,  contract,  mortgage,  promissory note, deed of trust,  loan agreement or
other commitment or arrangement.

                  3.14.  Properties and Insurance.

                  (a) SBSO has good  and,  as to owned  real  property,  if any,
marketable  title  to all  material  assets  and  properties,  whether  real  or
personal,  tangible  or  intangible,  reflected  in SBSO's  balance  sheet as of
December  31,  1997,  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  December  31,  1997),  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  SBSO  and  (iv)  with  respect  to  owned  real  property,   if  any,  title
imperfections  noted in title  reports  delivered  to  United  prior to the date
hereof.  SBSO,  as lessee,  has the right under valid and  subsisting  leases to
occupy,  use, possess and control,  in all material respects,  all real property
leased by it, as presently occupied, used, possessed and controlled by it.

                  (b)  The  SBSO  Disclosure  Schedule  lists  all  policies  of
insurance and bonds covering  business  operations and insurable  properties and
assets  of  SBSO,  all  risks  insured  against,  and  the  amount  thereof  and
deductibles  relating  thereto.  Except  as set  forth  in the  SBSO  Disclosure
Schedule,  as of the date hereof,  SBSO has not, since January 1, 1995, received
any  notice  of  cancellation  or  notice of a  material  amendment  of any such
insurance  policy or bond and it is not in default in any material respect under
such policy or bond, and, to SBSO's knowledge,  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 SBSO contain records
which,  in all  material  respects,  accurately  record all  meetings  and other
corporate  action  of  its  stockholders  and  Board  of  Directors   (including
committees of its Board of Directors).

                  3.16.  Environmental Matters.  Except as disclosed in the SBSO
Disclosure Schedule:

                  (a) SBSO has not received any written notice, citation, claim,
assessment,  proposed  assessment  or demand for  abatement  alleging  that SBSO
(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 SBSO.  SBSO 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 SBSO,  as OREO or  otherwise,  or owned or
controlled by SBSO 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,  the  violation of which would have a material
adverse  effect on the business,  operations,  assets or financial  condition of
SBSO.

                  (b) SBSO 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 SBSO.

                  (c) To the knowledge of SBSO, 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 SBSO.

                  3.17.  Reserves.  The  allowance  for possible  loan and lease
losses in the March 31, 1998 SBSO Financial  Statements was adequate at the time
based upon past loan loss  experiences and potential  losses in the portfolio at
the time to cover all known or reasonably anticipated loan losses.

                  3.18.  Year 2000  Compliance.  SBSO has  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 SBSO to be Year 2000  compliant  in  accordance  with  applicable  regulatory
guidelines,  except as set forth in the SBSO Disclosure Schedule.  SBSO does not
expect the future cost of  addressing  such issues to be material.  SBSO has not
received a rating of less than satisfactory from any bank regulatory agency with
respect to Year 2000 compliance.

                  3.19. Agreements with Bank Regulators.  Except as disclosed in
the SBSO Disclosure Schedule, SBSO is not 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, and is not
subject  to  any  order  or  directive  by,  and  is  not  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 SBSO prior to the date of this Agreement, nor has SBSO 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 SBSO  prior to the date of this  Agreement.  SBSO is not
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 SBSO prior to the date of
this Agreement.

                  3.20.  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 UNB AND 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 and UNB to SBSO.  United and UNB hereby  represent and warrant to SBSO 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  and  is  in  good  standing  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, qualified or in good standing would not have a material adverse effect
on the business,  operations,  assets or financial condition of United or any of
its Subsidiaries (defined below). United is registered as a bank holding company
under the Bank Holding Company Act of 1956, as amended (the "BHCA").  The United
Disclosure  Schedule sets forth true and complete  copies of the  Certificate of
Incorporation of United.

                  (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 percent 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 to the  fullest  extent  permitted  by law, by the Savings
Association  Insurance  Fund of the FDIC for certain  deposits,  and by the Bank
Insurance Fund of the FDIC for the remaining deposits. 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  and  is  in  good  standing  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, qualified or in good standing would not have a material adverse effect
on the business,  operations,  assets or financial condition of United or any of
its Subsidiaries.  The United  Disclosure  Schedule sets forth true and complete
copies of the Articles of Association and Bylaws of UNB as in effect on the date
hereof.

                  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 ("Preferred  Stock"). As of March 31, 1998, there were 9,373,592
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 Preferred  Stock  outstanding.  Since March 31, 1998, to
and including the date of this Agreement,  no additional shares of United Common
Stock have been issued except in connection with the exercise of options granted
under the United  Stock  Option  Plan or grants of  restricted  stock  under the
United  Option Plan. As of March 31, 1998,  except for 383,428  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  SBSO  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.  The  execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby have been duly and validly  approved by the Boards of Directors of United
and  UNB.  Except  for any  shareholder  approval  that may be  required  by the
NASDAQ/NMS  listing rules, no other corporate  proceedings on the part of United
and UNB are necessary to consummate the transactions  contemplated  hereby. 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  national  banks or their  holding  companies,  (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 or compliance by United or UNB with any of the
terms or provisions hereof, will (i) violate any provision of the Certificate of
Incorporation,  Articles of Association or other governing  instrument or Bylaws
of United or 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
individually and 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
Commissioner,  the Securities and Exchange  Commission  (the "SEC"),  applicable
state  securities  bureaus  or  commissions,  and the  National  Association  of
Securities   Dealers,   Inc.,   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  and (b) the  consummation  by
United of the Merger and the other transactions contemplated hereby. 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
within the time frame contemplated hereby.

                  4.4.  Financial Statements.

                  (a)  United has  previously  delivered  to SBSO  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 March 31, 1998,  and the
related unaudited  consolidated  statements of income,  changes in stockholders'
equity and cash flows for the three  months  then ended as  reported in United'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 "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 and its consolidated subsidiaries as of the respective dates set forth
therein,  and  the  related  consolidated   statements  of  income,  changes  in
stockholders'  equity  and  cash  flows  (including  the  related  notes,  where
applicable) fairly present the results of the consolidated  operations,  changes
in  stockholders'   equity  and  cash  flows  of  United  and  its  consolidated
subsidiaries for the respective fiscal periods set forth therein.

                  (b) The books and  records  of United  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 March 31, 1998 neither United nor any of its Subsidiaries had or
has, as the case may be, any obligation or liability, whether absolute, accrued,
contingent or otherwise, which is 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 March
31,  1998,  neither  United  nor  any  of its  Subsidiaries  have  incurred  any
liabilities,  except in the  ordinary  course of business  and  consistent  with
prudent banking practice.

                  4.5.  Brokerage  and  Other  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
March 31, 1998 and to United's  knowledge,  no facts or conditions  exist (other
than  regional  or  national   economic   conditions   which  affect   financial
institutions  generally)  which are  reasonably  likely to cause such a material
adverse change in the future.

                  4.7. United Information.  The information  relating to United,
this  Agreement  and  the   transactions   contemplated   hereby  in  the  Proxy
Statement/Prospectus  (as defined in Section 5.6(a)  hereof),  as of the date of
the mailing of the Proxy Statement/Prospectus,  and up to and including the date
of the meeting of stockholders of SBSO to which such 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.  The  information
relating to United,  this Agreement and the transactions  contemplated hereby in
the Registration Statement (as defined in Section 5.6(a) hereof), as of the date
of the filing thereof,  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.  At the Effective Time,  after taking
into effect the Merger and the transactions contemplated hereunder,  United 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 any of 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 lawsuit or proceeding  which would have a material  adverse affect 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  each  of  its
Subsidiaries  has duly  filed (and  until the  Effective  Time will so file) all
Returns  required to be filed by it in respect of any  federal,  state and local
taxes (including  withholding  taxes,  penalties or other payments required) and
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.  United  and each of its  Subsidiaries  have  established  (and until the
Effective  Time  will  establish)  on its  books and  records  reserves  that it
reasonably believes are adequate for the payment of all federal, state and local
taxes not yet due and  payable,  but  anticipated  to be  incurred in respect of
United and its Subsidiaries through the Effective Time. No deficiencies exist or
have been asserted  based upon the federal income tax returns of United and UNB.
To the knowledge of United, there are no audits or other administrative or court
proceedings pending, or claims asserted, for taxes or assessments upon United or
any of its Subsidiaries.

                  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.

                  4.13.  Reports.

                  (a) Since  January 1, 1996,  United has filed all reports that
it was required to file with the SEC under the 1934 Act,  all of which  complied
in all material  respects with all applicable  requirements  of the 1934 Act and
the rules and regulations adopted thereunder. As of their respective dates, each
such report,  and each registration  statement,  proxy statement,  form or other
document filed by United with the SEC since January 1, 1996,  including  without
limitation  any financial  statements  or schedules  included  therein,  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) United  and UNB have,  since  January 1, 1996,  duly filed
with the SEC, OCC and the FRB in correct form the monthly,  quarterly and annual
reports required to be filed under applicable laws and regulations,  and United,
upon  request,  promptly  will deliver or make  available  to SBSO  accurate and
complete copies of such reports.

                  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  neither  United  nor  any of its
Subsidiaries  has  received  notice  of  violation  of,  nor does it 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.

                  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 December 31, 1997, 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 December 31, 1997).  United
and its Subsidiaries as lessees have the right under valid and subsisting leases
to occupy, use, possess and control in all material respects,  all real property
leased by them 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,  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,  United has not received
any notice of cancellation of or material amendment to any such insurance policy
or bond and is not in default in any material  respect  under any such policy or
bond,  and, to its knowledge,  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 accurate records 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  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 March 31, 1998 United  Financial  Statements was adequate based at
the time upon past loan loss  experiences and potential  losses in the portfolio
at the time to cover all known or reasonably 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 Year 2000
compliant in accordance  with applicable  regulatory  guidelines 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 SBSO 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 SBSO 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 SBSO by United prior
to the date of this Agreement.

                  4.21. Disclosures.  There are no material facts concerning the
business, operations, assets or financial condition of United which would have a
material  adverse effect on the business,  operations or financial  condition of
United which have not been disclosed to SBSO directly or indirectly by access to
any filing by United under the 1934 Act. 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 SBSO.  During the period from
the date of this  Agreement  to the  Effective  Time,  SBSO  shall  conduct  its
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. SBSO
also shall use all reasonable efforts to (i) preserve its business  organization
intact,  (ii) keep available to itself the present services of its employees and
(iii)  preserve for itself and United the goodwill of its  customers  and others
with whom business  relationships  exist,  in each case provided that SBSO shall
not be  required to take any  unreasonable  or  extraordinary  act or any action
which would conflict with any other term of this Agreement.

                  5.2. Negative  Covenants and Dividend  Covenants.  SBSO agrees
that from the date hereof to the Effective Time, except as otherwise approved by
United in writing, or as permitted or required by this Agreement or as contained
in the SBSO Disclosure Schedule, it will not:

                  (a) change any provision of its  Certificate of  Incorporation
or Bylaws or any similar governing documents;

                  (b)  change  the  number of shares of its  authorized  capital
stock or issue any  shares of SBSO  Common  Stock  (other  than under the United
Stock  Option) or other  capital  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 SBSO or any  securities
convertible  into  shares of such stock,  or split,  combine or  reclassify  any
shares of its 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;

                  (c)  grant  any  severance  or  termination  pay  (other  than
pursuant  to  policies  of SBSO in effect on the date  hereof and  disclosed  to
United in the SBSO 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
except  with  respect to salary  increases  and  bonuses  for  employees  in the
ordinary course of business and consistent with past practices and policies;

                  (d) 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;

                  (e) make any  capital  expenditures  outside  of the  ordinary
course of business  other than pursuant to binding  commitments  existing on the
date hereof and other than expenditures necessary to maintain existing assets in
good repair;

                  (f) file any applications or make any contract with respect to
branching or site location or relocation;

                  (g) agree to acquire in any manner  whatsoever  (other than to
realize upon collateral for a defaulted loan) any business or entity;

                  (h) make any  material  change in its  accounting  methods  or
practices,  other than changes  required in accordance  with generally  accepted
accounting principles; or

                  (i) agree to do any of the foregoing.

                  5.3. No Solicitation.  SBSO 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 SBSO (an "Acquisition  Transaction").  Notwithstanding  the foregoing,
SBSO may (i) enter into  discussions or negotiations  or provide  information in
connection with an unsolicited possible Acquisition  Transaction if the Board of
Directors  of  SBSO,  after  consulting  with  counsel,   determines  that  such
discussions or negotiations should be commenced in the exercise of its fiduciary
responsibilities  or such information should be furnished in the exercise of its
fiduciary responsibilities;  and (ii) respond to inquiries from its shareholders
in the ordinary course of business.  SBSO will immediately communicate to United
the  terms of any  proposal,  whether  written  or oral,  which is  communicated
directly or  indirectly to any member of the Board of Directors or any executive
officer of SBSO in respect of any Acquisition Transaction,  and the fact that it
is having discussions or negotiations with, or supplying information to, a third
party in connection with a possible Acquisition Transaction.

                  5.4. Current  Information.  During the period from the date of
this Agreement to the Effective Time, SBSO will, at the request of United, cause
one or more of its  designated  representatives  to confer on a monthly  or more
frequent  basis  with  representatives  of  United  regarding  SBSO's  business,
operations,  properties,  assets and financial condition and matters relating to
the completion of the  transactions  contemplated  herein.  Without limiting the
foregoing,  promptly after granting any new loan or extension of credit,  or any
renewal of an existing loan or extension of credit,  in excess of $50,000,  SBSO
will send to United a description  thereof,  and  thereafter  SBSO 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,  SBSO will deliver
to United  SBSO's Call  Reports  filed with the FDIC and United will  deliver to
SBSO  United's  quarterly  reports on Form 10-Q, as filed with the SEC under the
1934 Act.  As soon as  reasonably  available,  but in no event more than 90 days
after the end of each fiscal  year,  SBSO will deliver to United and United will
deliver to SBSO their  respective  year end  financial  statements  and  related
reports to shareholders and regulatory agencies.

                  5.5.  Access to Properties and Records; Confidentiality.

                  (a)   SBSO   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 SBSO and its Representatives,  reasonable access
to their respective properties,  and shall disclose and make available to United
and its Representatives or SBSO 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 SBSO  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. SBSO acknowledges that United
may be involved in  discussions  concerning  other  potential  acquisitions  and
United  shall not be obligated to disclose  such  information  to SBSO 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 commercial purposes or any other purpose not expressing permitted
hereby.  Each party hereto 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 does not occur or this  Agreement is
terminated,  all documents,  notes and other writings prepared by a party hereto
or its  Representatives  based on information  furnished by the other party, and
all other documents and records obtained from another party hereto in connection
herewith,  shall be promptly destroyed.  The obligation to keep such information
confidential  shall continue for 30 months 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 other than as a result of a disclosure by any
party hereto or its  Representative;  (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,  provided  that in the event of any  disclosure  required  by this
clause (ii), the disclosing  party will give reasonable  prior written notice of
such disclosure to the other parties and shall not disclose any such information
without an opinion of counsel supporting its position that such information must
be disclosed.

                  (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  meeting  of  SBSO
stockholders and registering or otherwise  qualifying  under applicable  federal
and state  securities laws United Common Stock to be issued to Record Holders in
connection  with  the  Merger,   the  parties  hereto  shall  cooperate  in  the
preparation  and filing by (i) United of a  registration  statement with the SEC
which shall include an appropriate proxy statement and prospectus satisfying all
applicable  requirements  of applicable  state and federal  laws,  including the
Securities Act of 1933, as amended (the "1933 Act"), the 1934 Act and applicable
state securities laws and the rules and regulations  thereunder and (ii) SBSO of
a proxy  statement  with the FDIC  satisfying  all  applicable  requirements  of
applicable state and federal laws,  including the 1934 Act. (Such combined proxy
statement and  prospectus  in the form mailed by SBSO to the SBSO  shareholders,
together with any and all amendments and supplements thereto, is herein referred
to as the "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, including the Proxy  Statement/Prospectus,
and the Proxy Statement for United stockholders, if necessary, together with any
and all  amendments  and  supplements  thereto,  are  referred  to herein as the
"Registration  Statement").  The  Registration  Statement  shall not be filed by
United with the SEC without the approval of SBSO,  acting through its attorneys,
which approval shall not be unreasonably withheld.

                  (b) United shall furnish information concerning United and the
Merger as is necessary in order to cause the Proxy Statement/Prospectus, insofar
as it relates to United and the Merger,  to comply with Section  5.6(a)  hereof.
United  agrees  to  advise  SBSO  promptly  if at any  time  prior  to the  SBSO
shareholder meeting referred to in Section 5.7 hereof, any information  provided
by United in the Proxy  Statement/Prospectus  becomes incorrect or incomplete in
any material respect and to provide SBSO with the information  needed to correct
such inaccuracy or omission.  United shall not knowingly and intentionally  take
any action which would cause the Proxy  Statement/Prospectus to become incorrect
or  incomplete  in any material  respect.  United  shall  furnish SBSO with such
supplemental  information  as may be  necessary  in  order to  cause  the  Proxy
Statement/Prospectus,  insofar as it relates to United and the Merger, to comply
with Section 5.6(a) after the mailing thereof to SBSO shareholders.

                  (c) SBSO shall furnish United with such information concerning
SBSO as is  necessary  in order  to cause  the  Proxy  Statement/Prospectus  and
Registration  Statement,  insofar as it relates to SBSO,  to comply with Section
5.6(a)  hereof.  SBSO agrees  promptly to advise United if, at any time prior to
the SBSO  shareholder's  meeting referred to in Section 5.7 hereof,  information
provided  by  SBSO  in  the  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.  SBSO shall not  knowingly  and
intentionally  take any action which would cause the Proxy  Statement/Prospectus
to become  incorrect or incomplete in any material  respect.  SBSO shall furnish
United with such supplemental  information as may be necessary in order to cause
the Proxy Statement/Prospectus and Registration Statement, insofar as it relates
to SBSO,  to comply  with  Section  5.6(a)  after the  mailing  thereof  to SBSO
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.  SBSO shall promptly
furnish United with such information  regarding the SBSO  shareholders as United
requires to enable it to determine  what filings are  required  hereunder.  SBSO
authorizes  United to utilize in such filings the  information  concerning  SBSO
provided to United in connection  with,  or contained  in, the Proxy  Statement/
Prospectus.  United shall  furnish SBSO with drafts of all such  filings,  shall
provide SBSO the opportunity to comment thereon,  and shall keep SBSO advised of
the  status  thereof.   United  shall  as  promptly  as  practicable   file  the
Registration Statement containing the Proxy  Statement/Prospectus  with the SEC,
and SBSO shall as promptly as  practicable  file the Proxy  Statement/Prospectus
with the FDIC,  and each of United and SBSO shall  promptly  notify the other of
all  communications,  oral or  written,  with  the SEC and FDIC  concerning  the
Registration Statement and the 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,  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 and the State of New
Jersey.  The parties  shall each have the right to review in advance and comment
on all  information  relating to the other, as the case may be, 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.  United and UNB shall cause their  application to the OCC to be filed
(i) within 45 days of the date hereof,  so long as SBSO provides all information
necessary to complete the application within 30 days of the date hereof, or (ii)
within 15 days after all such information is provided,  if SBSO does not provide
all such  information  within such 30 day period.  United shall  provide to SBSO
drafts of all filings and  applications  referred to in this Section  5.6(f) and
shall give SBSO the opportunity to comment thereon prior to their filing.

                  (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)  SBSO  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 SBSO 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.
SBSO agrees to provide United with any information,  certificates,  documents or
other  materials  about SBSO 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.  SBSO 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 promptly  reimburse  SBSO for reasonable  expenses thus incurred by
SBSO 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 SBSO unless SBSO 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,
SBSO shall  cooperate  with United to  reasonably  conform (as of the  Effective
Time) SBSO's policies and procedures regarding applicable regulatory matters, to
those of United as United may reasonably identify to SBSO from time to time.

                  5.7.  Approval of  Stockholders.  SBSO will (a) take all steps
reasonably necessary duly to call, give notice of, convene and hold a meeting of
the  stockholders  of SBSO as soon as reasonably  practicable for the purpose of
securing the approval by such stockholders of this Agreement, (b) subject to the
fiduciary responsibilities of the Board of Directors of SBSO to the stockholders
of SBSO,  recommend to the  stockholders  of SBSO the approval of this Agreement
and the  transactions  contemplated  hereby  and use all  reasonable  efforts to
obtain, as promptly as practicable, such approval, and (c) cooperate and consult
with United with respect to each of the foregoing  matters.  Except as set forth
in the SBSO Disclosure Schedule, in connection therewith, it is anticipated that
each  director  of SBSO  shall  vote his or her  shares  of SBSO in favor of 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 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 SBSO  reasonably  determines  that a material  condition to its obligation to
consummate the transactions  contemplated hereby cannot be fulfilled on or prior
to  February  28,  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,  SBSO and United
will  promptly  inform  the other of any  facts  applicable  to SBSO or  United,
respectively,  or their respective  directors,  officers or  Subsidiaries,  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.  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.  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 SBSO  (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 SBSO or acted as a director  or officer of a
third  party at the  request of SBSO,  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 SBSO or any
of its  affiliates,  or by any  former or  present  shareholder  of SBSO (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
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  SBSO or any  committee  thereof,  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  SBSO  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 SBSO  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  SBSO  or  arising   out  of  any   written
indemnification  agreements  between SBSO and such persons disclosed in the SBSO
Disclosure  Schedule,  as if such  obligations  were  pursuant  to a contract or
arrangement between United and such Indemnitees.

                  (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 5.12.

                  (d) United  shall cause SBSO'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 SBSO'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  SBSO's  existing  officers'  and
directors' liability insurance.

                  (e) Any Indemnitee wishing to claim indemnification under this
Section 5.12 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 5.12 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 5.12(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 5.12, 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.

                  5.13. Pooling and Tax-Free Reorganization  Treatment.  Neither
United nor SBSO 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.  United  and SBSO  acknowledge  that  United  expects  the
transaction to be accounted for as a "pooling" transaction.

                  5.14.  Affiliates.

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

                  (b) Each person who may be deemed an  affiliate of SBSO (under
either Rule 145 of the 1933 Act or the applicable  accounting  treatment  rules)
shall execute a letter substantially in the form of Schedule 5.14 annexed hereto
agreeing to be bound by the  restrictions  of Rule 145, as set forth in Schedule
5.14 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  its  affiliates  (as that term is used for  purposes  of  qualifying  for
pooling of interests) to execute a letter  substantially in the form of Schedule
5.14-1 annexed hereto within two weeks of the date hereof, 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. United agrees to publish, or file
a Form 8-K,  Form 10-K or Form 10-Q  containing  financial  results  covering at
least 30 days of post-Merger  combined  operations of United and SBSO as soon as
practicable  (but in no event  later  than 30 days)  following  the close of the
first  calendar  month  ending 30 days  after the  Effective  Time,  in form and
substance  sufficient to remove the  restrictions  set forth in paragraph "B" of
Schedule 5.14.

                  (c) With a view to making  available to affiliates of SBSO who
receive  shares of United  Common  Stock in the Merger the  benefits of Rule 144
promulgated  under the 1934 Act and any other rule or regulation of the SEC that
may at any time  permit a holder of shares of United  Common  Stock to sell such
shares to the public without registration,  United agrees, for a period of three
years  following the Effective Time, to file with the SEC in a timely manner all
reports and other  documents  required of United under the 1933 Act and the 1934
Act and the rules and regulations thereunder.

                  5.15.  Compliance with the Industrial Site Recovery Act. SBSO,
at its sole cost and expense,  shall obtain prior to the Effective Time, either:
(a)  a  Letter  of   Non-Applicability   from  the  New  Jersey   Department  of
Environmental  Protection  ("NJDEP") stating that none of the facilities located
in New Jersey owned or operated by SBSO (each,  a "Facility")  is 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;
or (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 each
Facility  subject to ISRA.  In the event SBSO obtains a  Remediation  Agreement,
SBSO 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.

                  5.16.  Transaction Expenses of SBSO.

                  (a) For planning purposes, SBSO shall, within 30 days from the
date hereof,  provide  United with its estimated  budget of  transaction-related
expenses  reasonably  anticipated to be payable by SBSO in connection  with this
transaction based on facts and circumstances currently known, including the fees
and   expenses   of   counsel,   accountants,   investment   bankers  and  other
professionals.  SBSO shall promptly  notify United if or when it determines that
it will expect to exceed its budget;  provided,  however,  that it is understood
that SBSO'  exceeding  such  budget,  in and of itself,  shall not  constitute a
breach of this Agreement.  SBSO has previously disclosed to United the method by
which the fees of its  investment  bankers and counsel in  connection  with this
transaction are to be determined.

                  (b)  Promptly,  but in any  event  within  30 days,  after the
execution  of this  Agreement,  SBSO  shall ask all of its  attorneys  and other
professionals  to render current and correct  invoices for all unbilled time and
disbursements.  SBSO  shall  accrue  and/or  pay all of such  amounts as soon as
possible.

                  (c) SBSO shall request that its  professionals  render monthly
invoices  within 30 days after the end of each month.  SBSO shall notify  United
monthly of all out-of-pocket expenses which SBSO has incurred in connection with
this transaction.

                  (d) United,  in reasonable  consultation with SBSO, shall make
all  arrangements  with  respect  to the  printing  and  mailing  of  the  Proxy
Statement/Prospectus.

                  Section 5.17. Employees Following  consummation of the Merger,
United  shall make  available to all  employees  and officers of SBSO who become
employed by UNB coverage  under the benefit plans  generally  available to UNB's
employees and officers (including pension and health and hospitalization) on the
terms and conditions  available to UNB's employees and officers.  SBSO employees
will be given credit  under  United's or UNB's  medical,  life,  vacation,  sick
leave,  disability  and other  welfare  plans for prior  service with SBSO,  and
SBSO's  employees  will be granted  credit  for prior  service  with  SBSO,  for
purposes of  eligibility  and vesting under United's or UNB's pension and 401(k)
plans; provided,  that SBSO employees will not be given credit under United's or
UNB's severance policy for prior service with SBSO.

                  Section  5.18.  Change in Control  Contracts.  At the  Closing
United and UNB will assume and, following the Closing, United and UNB will honor
the three  existing  written  change in control  contracts with officers of SBSO
that are included in the SBSO Disclosure Schedule.

                                   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 Stockholders; SEC Registration. This Agreement
and the  transactions  contemplated  hereby  shall  have  been  approved  by the
requisite  vote of the  stockholders  of SBSO and,  if  necessary,  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;  the  Proxy
Statement-Prospectus  shall have been  approved for use in  connection  with the
Merger by the FDIC;  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  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 or the OCC) required to consummate  the
transactions  contemplated  hereby shall have been obtained  without any term or
condition  which  would  materially  impair  the  value of SBSO 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 and no Legal Proceeding shall be pending before any court
or governmental  agency in which it is sought to restrain or prohibit the Merger
or obtain other substantial monetary or other relief against one or more parties
hereto in connection  with this Agreement and which United or SBSO determines in
good  faith,  based  upon the  advice  of  their  respective  counsel,  makes it
inadvisable to proceed with the Merger  because any such Legal  Proceeding has a
significant  potential  to be  resolved  in such a way as to  deprive  the party
electing not to proceed of any of the material benefits to it of the Merger.

                  (d) Tax Free Exchange.  United and SBSO shall have received an
opinion,  satisfactory  to United  and SBSO,  of Pitney,  Hardin,  Kipp & Szuch,
counsel for United, issued in reliance on tax representation letters from United
and SBSO 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,  SBSO or UNB or to the
shareholders  of SBSO who exchange  their shares of SBSO 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 SBSO. The representations and warranties of SBSO 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.  SBSO 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 SBSO  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 SBSO  Disclosure  Schedule,  materially  adversely  effect the
representation as to which the supplement or amendment relates.

                  (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)  Certificates.  SBSO shall have furnished United with such
certificates  of its officers or others  (without  personal  liability) and such
other  documents to evidence  fulfillment  of the  conditions  set forth in this
Section 6.2 as United may reasonably request.

                  6.3.   Conditions  to  the  Obligations  of  SBSO  Under  this
Agreement. The obligations of SBSO 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 and UNB 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 and UNB shall have  performed in all
material respects, the agreements,  covenants and obligations to be performed by
them 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.

                  (b)  Fairness  Opinion.  SBSO shall have  received  an updated
opinion from Ryan Beck as of the date the Proxy  Statement/Prospectus  is mailed
to SBSO's  stockholders,  to the effect that, in its opinion, the Exchange Ratio
is fair to the stockholders of SBSO.

                  (c)  Certificates.  United shall have furnished SBSO with such
certificates  of its officers or others  (without  personal  liability) and such
other  documents to evidence  fulfillment  of the  conditions  set forth in this
Section 6.3 as SBSO may reasonably request.

                                   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 SBSO:

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

                  (b) By United or SBSO (i) if the Effective Time shall not have
occurred on or prior to the Cutoff  Date  unless the failure of such  occurrence
shall be due to the failure of the party seeking to terminate  this Agreement to
perform or observe its  agreements  set forth herein to be performed or observed
by  such  party  at or  before  the  Effective  Time,  or  (ii) if a vote of the
stockholders of SBSO or, if necessary, of United, is taken and such stockholders
fail to approve this Agreement at the meeting (or any adjournment  thereof) held
for such purpose;

                  (c) By United or SBSO 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 SBSO if any such
application is approved with  conditions  which  materially  impair the value of
SBSO, 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
SBSO from that  disclosed by SBSO on the date of this  Agreement,  or (ii) there
was a material breach in any representation,  warranty,  covenant,  agreement or
obligation of SBSO hereunder and such breach shall not have been remedied within
30  days  after  receipt  by SBSO of  notice  in  writing  from  United  to SBSO
specifying the nature of such breach and requesting that it be remedied;

                  (e) By  SBSO if (i)  there  shall  have  occurred  a  material
adverse  change in the business,  operations,  assets or financial  condition of
United,  UNB or United and its  Subsidiaries  on a consolidated  basis from that
disclosed by United on the date of this Agreement (which material adverse change
may result from, among other things,  an acquisition or proposed  acquisition of
another entity by United or UNB, or a change in the business, operations, assets
or financial  condition of any such entity;  provided,  however,  that in either
such case  materiality is to be measured by the effect upon United and SBSO on a
combined  basis);  or (ii)  there was a material  breach in any  representation,
warranty,  covenant, agreement or obligation of United or UNB hereunder and such
breach shall not have been  remedied  within 30 days after  receipt by United of
notice in writing from SBSO to United  specifying  the nature of such breach and
requesting that it be remedied;

                  (f) By United if any condition to Closing specified in Section
6.1 or Section 6.2 is not satisfied and is not capable of being satisfied by the
Cutoff Date; or

                  (g) By SBSO if any  condition to Closing  specified in Section
6.1 or Section 6.3 is not satisfied and is not capable of being satisfied by the
Cutoff Date; or

                  (h) By SBSO,  if the Average  Closing  Price of United  Common
Stock,  calculated as though the Closing Date were to be the fifth  business day
following  the  Determination  Date (the  "Determination  Price"),  is less than
$25.00 per share (as adjusted, in the manner provided in Section 2.1(c), for any
capital change after the date hereof).  Notwithstanding the foregoing, SBSO must
give written  notice to United of SBSO's  election to exercise  its  termination
right  pursuant  to this  subsection  (h),  if at all, on or before the close of
business  on  the  fifth   business  day  following  the   Determination   Date.
Notwithstanding the foregoing, United may, at its option, eliminate SBSO's right
to terminate  pursuant to this subsection (h), and nullify any then  outstanding
termination notice which may have been given by SBSO pursuant to this subsection
(h), by United's  giving  irrevocable  written  notice to SBSO, on or before the
close of business on the third  business day following the  Determination  Date,
that United is  increasing  the  consideration  to be received by the holders of
SBSO  Common  Stock  hereunder  by  increasing  the  Exchange  Ratio to a number
(rounded to three  decimal  places) such that each share of SBSO Common Stock is
exchanged in the Merger for shares of United Common Stock having a value,  based
upon the Determination  Price,  equal to the value that would have been received
if the Determination  Price had been $25.00. In order to calculate such increase
in the Exchange Ratio, the Exchange Ratio shall be multiplied by a fraction, the
numerator of which is $25.00 and the  denominator of which is the  Determination
Price. If United gives notice of an increased  Exchange Ratio in accordance with
this  subsection  (h),  then no  termination  or purported  termination  by SBSO
pursuant to this  subsection (h) shall be effective,  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 (h); or

                  (i) By SBSO, if SBSO's Board of Directors  shall have approved
an Acquisition Transaction after determining,  upon advice of counsel, that such
approval was necessary in the exercise of its fiduciary duties.

                  7.2.  Effect of  Termination.  In the event of the termination
and  abandonment  of this Agreement by either United or SBSO pursuant to Section
7.1 hereof,  this Agreement  (except the  provisions of Sections  5.5(b) and 8.1
hereof) shall forthwith become void and have no effect, without any liability on
the part of any  party  or its  officers,  directors  or  stockholders.  Nothing
contained  herein,  however,  shall relieve any party from any liability for any
material 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 SBSO and, if  required,  the adoption of this
Agreement  by the  stockholders  of United,  but,  after any such  adoption,  no
amendment shall be made which,  under  applicable New Jersey law, cannot be made
without the approval of the stockholders of SBSO or United,  as the case may be.
This  Agreement may not be amended  except by an instrument in writing signed on
behalf of United, UNB and SBSO.

                  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.  Subject to the  provisions of Section  5.6(h)
hereof,  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; provided, however, that United and SBSO shall share equally the filing
fee in connection  with the expenses  relating to printing and mailing the Proxy
Statement-Prospectus.

                  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 promptly  thereafter
by overnight  courier,  messenger or by  registered or certified  mail,  postage
prepaid, as follows:

                  If to United or UNB:
                           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
                           200 Campus Drive
                           Florham Park, New Jersey 07932-0950
                           P.O. Box 1945
                           Morristown, New Jersey 07962-1945
                           Attn.:  Ronald H. Janis, Esq.

                  If to SBSO:

                           State Bank of South Orange
                           Valley and Third Streets, P.O. Box 384
                           South Orange, New Jersey 07049
                           Attn.:  James J. Young, President and
                                    Chief Executive Officer

                  With a copy to:

                           Lowenstein Sandler PC
                           65 Livingston Avenue
                           Roseland, New Jersey  07068
                           Attn.:  Peter Ehrenberg, Esq.

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

                  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.  No assignment of this Agreement may be made
except upon the written consent of the other parties hereto. No person or entity
shall be deemed a  third-party  beneficiary  under  this  Agreement,  other than
current and former  directors  and officers of SBSO with respect to Section 5.12
hereof  and other  than the three  officers  with  change in  control  contracts
covered by Section 5.18.

                  8.4.  Entire  Agreement.  This  Agreement,  which includes the
Disclosure  Schedules  and  other  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.

                  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. No Survival. The representations and warranties set forth
in Articles III and IV hereof shall not survive the consummation of the Closing,
but shall expire as of the Effective Time.

                  8.9.  Knowledge.  For purposes of this Agreement,  information
shall be deemed known to a party hereto if it is actually know by one or more of
such party's executive officers.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

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


ATTEST:                                            UNITED NATIONAL BANCORP


    RALPH L. STRAW, JR.                             THOMAS C. GREGOR
By: _______________________________            By: _____________________________
    Ralph L. Straw, Jr., Secretary                    Thomas C. Gregor
                                                    Chairman, President and CEO

ATTEST:                                             STATE BANK OF SOUTH ORANGE

    ROBERT WIGDER                                   JAMES J. YOUNG
By: ____________________________                By: ____________________________
    Robert Wigder, Assistant Secretary              James J. Young
                                                    President and CEO

ATTEST:                                             UNITED NATIONAL BANK

     RALPH L. STRAW, JR.                            THOMAS C. GREGOR
By: ____________________________                By: ____________________________
    Ralph L. Straw, Jr., Cashier                    Thomas C. Gregor
                                                    Chairman, President and CEO


<PAGE>

          CERTIFICATE OF STATE BANK OF SOUTH ORANGE ("SBSO") DIRECTORS

                  Reference is made to the Agreement  and Plan of Merger,  dated
June 25, 1998 (the "Agreement"),  among United National Bancorp, United National
Bank and SBSO.  Capitalized terms used herein have the meanings given to them in
the Agreement.

                  Each of the following  persons,  being all of the directors of
SBSO,  agrees to vote or cause to be voted all shares of SBSO Common Stock which
are held by such  person,  or over  which  such  person  exercises  full  voting
control, in favor of the Merger.


MILTON WIGDER
- --------------------------
Milton Wigder

STEWART GLADSTONE
- --------------------------
Stewart Gladstone

ANTHONY BARTOLOTTA
- --------------------------
Anthony Bartolotta


ROBERT P. WIGDER
- --------------------------
Robert Wigder


SALVATORE C. NATOLI
- --------------------------
Salvatore C. Natoli


GEORGE MANNY
- --------------------------
George Manny


JAMES J. YOUNG
- --------------------------
James J. Young



<PAGE>

                                  SCHEDULE 5.14

               FORM OF STATE BANK OF SOUTH ORANGE AFFILIATE LETTER


                                                              June __, 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 State Bank of South  Orange,  a New Jersey
chartered  commercial banking corporation (the "Company"),  with and into United
National  Bank, a national  banking  association,  pursuant to the Agreement and
Plan of Merger dated June 25, 1998 (the "Agreement")  among the Company,  United
National Bancorp ("United"), and United National Bank. I currently own shares of
the Company's common stock, par value $5.00 per share ("SBSO 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 SBSO 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 "1933
Act"),  by the  Securities  and  Exchange  Commission  ("SEC")  and as the  term
"affiliate" is used for purposes of the SEC'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 SEC's  Accounting  Series Release 135, as amended
by Staff Accounting Bulletins Nos. 65 and 76 ("ASR 135").

                  I represent to and agree with United that:

                  A. Transfer Review  Restrictions.  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 SBSO 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 SBSO Common
Stock owned by such person or entity, without notifying United in advance of the
proposed  transfer  and giving  United a  reasonable  opportunity  to review the
transfer  before  it is  consummated.  United,  if  advised  to  do  so  by  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. Transfer  Restrictions During Merger  Consummation  Period.
Other than with United's  prior written  consent,  I shall not transfer any SBSO
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 SBSO
Common Stock owned by such person or entity 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 means of the filing of a Form 10-Q, Form 10-K or Form 8-K under the
Securities  Exchange  Act of 1934,  as amended,  the  issuance of a quarterly or
year-end  earnings  report,  or any other public  issuance  which  satisfies the
requirements  of ASR 135.  For  purposes of this  paragraph  only,  "SBSO Common
Stock"  includes  United  Common  Stock  into  which  my SBSO  Common  Stock  is
converted.

                  C.  Compliance  with Rule 145.  I have been  advised  that the
issuance of United  Common Stock to me pursuant to the Merger will be registered
with the SEC  under  the  1933  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 is restricted under Rule
145  promulgated by the SEC under the 1933 Act. I may not transfer United Common
Stock unless (i) such transfer is made in  conformity  with the volume and other
limitations of Rule 145 promulgated by the SEC under the 1933 Act, to the extent
that such  limitations  are  applicable  to me,  (ii) in the opinion of United's
counsel or counsel reasonably  acceptable to United,  such transfer is otherwise
exempt from registration under the 1933 Act or (iii) such transfer is registered
under the 1933 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 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 JUNE 25,
         1998 BETWEEN THE REGISTERED  HOLDER HEREOF AND UNITED NATIONAL BANCORP,
         A COPY OF WHICH AGREEMENT IS ON FILE AT THE PRINCIPAL OFFICES 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
June, 1998 by

UNITED NATIONAL BANCORP



By: _________________________

<PAGE>

                                 SCHEDULE 5.14-1

                FORM OF UNITED NATIONAL BANCORP AFFILIATE LETTER


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 State Bank of South Orange,  a commercial bank
chartered  under the laws of the  State of New  Jersey  ("SBSO"),  with and into
United National Bank, a national banking  association  ("UNB"),  pursuant to the
Agreement and Plan of Merger dated as of June 25, 1998 (the  "Agreement")  among
United National Bancorp, a corporation  chartered under the laws of the State of
New Jersey  ("United"),  UNB and SBSO. I currently own shares of United's common
stock, $1.25 par value per share ("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 SBSO that:

                  A. 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. Transfer  Restrictions During Merger  Consummation  Period.
Other than with United's prior written consent,  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 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 means of the filing of a Form 10-Q, Form 10-K or Form 8-K under the
Securities  Exchange  Act of 1934,  as amended,  the  issuance of a quarterly or
year-end  earnings  report,  or any other public  issuance  which  satisfies the
requirements of ASR 135.

                  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 1.3

                             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
______________,  _________________,  __________  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  $20,000,000.00  divided into  8,000,000  shares of common
stock of the par  value  per  share  of $2.50  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.




    1 Articles of Association of Harley  National Bank as they will exist on the
Effective Date. The Articles may be amended prior to the Effective Date.




                             STOCK OPTION AGREEMENT


                  THIS STOCK OPTION AGREEMENT ("Agreement") dated June 25, 1998,
is by  and  between  United  National  Bancorp,  a New  Jersey  corporation  and
registered bank holding company  ("United"),  and State Bank of South Orange,  a
commercial bank organized under the laws of New Jersey ("SBSO").

                                   BACKGROUND

                  1. United,  United National Bank ("UNB"),  and SBSO, as of the
date  hereof,  have  executed a  definitive  agreement  and plan of merger  (the
"Merger Agreement")  pursuant to which United will acquire SBSO through a merger
of SBSO with and into UNB (the "Merger").

                  2. During the negotiation of the Merger Agreement,  United and
UNB advised  SBSO that they would not execute the Merger  Agreement  unless SBSO
executed this Agreement.

                  3. As an  inducement  to  United  to  enter  into  the  Merger
Agreement  and in  consideration  for such  entry,  SBSO has  agreed to grant to
United an option to purchase  authorized but unissued  shares of common stock of
SBSO in an amount and on the terms and conditions hereinafter set forth.

                                    AGREEMENT

                  In consideration of the foregoing and the mutual covenants and
agreements  set forth  herein  and in the  Merger  Agreement,  United  and SBSO,
intending to be legally bound hereby, agree:

                  1. Grant of Option. SBSO hereby grants to United the option to
purchase  127,275  shares of the  common  stock,  $5.00 par value  (the  "Common
Stock"),  of SBSO at a price of $31.25 per share (the  "Option  Price"),  on the
terms and conditions set forth herein (the "Option").

                  2.  Exercise of Option.  This Option shall not be  exercisable
until  the  occurrence  of a  Triggering  Event  (as  such  term is  hereinafter
defined).  Upon or after the  occurrence of a Triggering  Event (as such term is
hereinafter  defined),  United may exercise the Option,  in whole or in part, at
any time or from time to time, subject to the termination  provisions of Section
19 of this Agreement.

                  The term "Triggering Event" means the occurrence of any of the
following events:

                  A person or group (as such terms are defined in the Securities
Exchange  Act of 1934,  as  amended  (the  "Exchange  Act"),  and the  rules and
regulations thereunder) other than United or an affiliate of United:

                  a. acquires  beneficial  ownership (as such term is defined in
Rule 13d-3 as  promulgated  under the Exchange  Act) of at least 20% of the then
outstanding shares of Common Stock;

                  b.  enters  into a letter of intent or an  agreement,  whether
oral or written,  with SBSO  pursuant to which such person or any  affiliate  of
such  person  would  (i)  merge  or  consolidate,  or  enter  into  any  similar
transaction,  with SBSO, (ii) acquire all or a significant portion of the assets
or  liabilities  of SBSO,  or (iii) acquire  beneficial  ownership of securities
representing, or the right to acquire beneficial ownership or to vote securities
representing 20% or more of the then outstanding shares of Common Stock;

                  c. makes a filing with any bank or thrift regulatory authority
or publicly  announces a bona fide proposal (a  "Proposal")  for (i) any merger,
consolidation  or acquisition of all or a significant  portion of all the assets
or liabilities of SBSO or any other business combination involving SBSO, or (ii)
a  transaction  involving  the transfer of  beneficial  ownership of  securities
representing, or the right to acquire beneficial ownership or to vote securities
representing,  20% or  more of the  outstanding  shares  of  Common  Stock,  and
thereafter,  if such Proposal has not been  Publicly  Withdrawn (as such term is
hereinafter  defined) at least 15 days prior to the meeting of  stockholders  of
SBSO  called to vote on the Merger and SBSO'  stockholders  fail to approve  the
Merger by the vote  required by  applicable  law at the meeting of  stockholders
called for such purpose; or

                  d. makes a bona fide Proposal and thereafter,  but before such
Proposal has been Publicly  Withdrawn,  SBSO  willfully  takes any action in any
manner  which would  materially  interfere  with its ability to  consummate  the
Merger or materially reduce the value of the transaction to United.

                  The term  "Triggering  Event"  also  means  the  taking of any
material direct or indirect action by SBSO or any of its directors,  officers or
agents,  with the formal or informal  approval or acquiescence of the SBSO Board
of Directors,  with the  intention of inviting,  encouraging  or soliciting  any
proposal which has as its purpose a tender offer for the shares of Common Stock,
a merger, consolidation, plan of exchange, plan of acquisition or reorganization
of SBSO,  or a sale of a  significant  number of  shares of Common  Stock or any
significant portion of its assets or liabilities.

                  The term  "significant  portion"  means  25% of the  assets or
liabilities of SBSO. The term "significant  number" means 20% of the outstanding
shares of SBSO.

                  "Publicly  Withdrawn",  for  purposes  of clauses  (c) and (d)
above,  shall mean an unconditional bona fide withdrawal of the Proposal coupled
with a public  announcement of no further  interest in pursuing such Proposal or
in acquiring any  controlling  influence  over SBSO or in soliciting or inducing
any other person (other than United or any affiliate) to do so.

                  Notwithstanding the foregoing, the Option may not be exercised
at any  time (i) in the  absence  of any  required  governmental  or  regulatory
approval  or  consent  necessary  for SBSO to issue the  shares of Common  Stock
covered by the Option (the "Option  Shares") or United to exercise the Option or
prior to the expiration or termination of any waiting period required by law, or
(ii) so long as any  injunction  or other order,  decree or ruling issued by any
federal or state court of competent  jurisdiction  is in effect which  prohibits
the sale or delivery of the Option Shares.

                  SBSO shall notify United promptly in writing of the occurrence
of any Triggering Event known to it, it being understood that the giving of such
notice by SBSO shall not be a condition  to the right of United to exercise  the
Option.  SBSO will not take any action which would have the effect of preventing
or disabling  SBSO from  delivering the Option Shares to United upon exercise of
the Option or otherwise performing its obligations under this Agreement.

                  In the event  United  wishes to  exercise  the Option  after a
Triggering  Event has occurred and prior to the  termination of this  Agreement,
United  shall  send a written  notice to SBSO (the date of which is  hereinafter
referred to as the "Notice Date"),  specifying the total number of Option Shares
it wishes to purchase  and a place and date (not less than three days after such
notice  is sent to SBSO)  for the  closing  of such a  purchase  (a  "Closing");
provided,  however,  that a Closing  shall not occur prior to two days after the
later of receipt of any necessary regulatory approvals and the expiration of any
legally required notice or waiting period, if any.

                  3.  Payment  and  Delivery  of  Certificates.  At any  Closing
hereunder  (a) United will make payment to SBSO of the  aggregate  price for the
Option Shares so purchased by wire transfer of immediately available funds to an
account  designated by SBSO, (b) SBSO will deliver to United a stock certificate
or certificates  representing the number of Option Shares so purchased, free and
clear of all  liens,  claims,  charges  and  encumbrances  of any kind or nature
whatsoever  created by or through SBSO,  registered in the name of United or its
designee,  in such  denominations  as were  specified by United in its notice of
exercise and, if  necessary,  bearing a legend as set forth below and (c) United
shall pay any transfer or other taxes  required by reason of the issuance of the
Option Shares so purchased.

                  If required under applicable federal securities laws, a legend
will be  placed  on each  stock  certificate  evidencing  Option  Shares  issued
pursuant to this Agreement, which legend will read substantially as follows:

                         The shares of stock evidenced by this  certificate have
                  not been  registered for sale under the Securities Act of 1933
                  (the "1933 Act"). These shares may not be sold, transferred or
                  otherwise  disposed of unless a  registration  statement  with
                  respect to the sale of such  shares  has been filed  under the
                  1933 Act and declared  effective or, in the opinion of counsel
                  reasonably  acceptable  to State  Bank of South  Orange,  said
                  transfer   would  be  exempt  from   registration   under  the
                  provisions  of the  1933 Act and the  regulations  promulgated
                  thereunder.

No such  legend  shall be  required  if a  registration  statement  is filed and
declared effective under Section 4 hereof.

                  4.  Registration  Rights.  Upon or after the  occurrence  of a
Triggering Event and upon receipt of a written request from United,  SBSO shall,
if  necessary  for the  resale of the  Option or the  Option  Shares by  United,
prepare and file a  registration  statement  with the  Securities  and  Exchange
Commission,  the Federal Deposit Insurance  Corporation and any state securities
bureau,  covering  the Option and such number of Option  Shares as United  shall
specify  in its  request,  and SBSO  shall use its best  efforts  to cause  such
registration  statement to be declared  effective in order to permit the sale or
other  disposition  of the Option and the Option  Shares,  provided  that United
shall  in no event  have  the  right  to have  more  than one such  registration
statement become effective.

                  In  connection  with  such  filing,  SBSO  shall  use its best
efforts  to  cause  to be  delivered  to  United  such  certificates,  opinions,
accountant's  letters and other documents as United shall reasonably request and
as are customarily provided in connection with registrations of securities under
the  Securities  Act of 1933,  as  amended.  All  expenses  incurred  by SBSO in
complying with the provisions of this Section 4, including  without  limitation,
all registration and filing fees,  printing expenses,  fees and disbursements of
counsel  for  SBSO  and  blue  sky  fees  and  expenses  shall  be paid by SBSO.
Underwriting  discounts and  commissions to brokers and dealers  relating to the
Option  Shares,  fees and  disbursements  of  counsel  to  United  and any other
expenses incurred by United in connection with such registration  shall be borne
by  United.  In  connection  with such  filing,  SBSO shall  indemnify  and hold
harmless United against any losses,  claims,  damages or  liabilities,  joint or
several,  to which United may become  subject,  insofar as such losses,  claims,
damages or liabilities (or actions in respect thereof) arise out of or are based
upon any untrue  statement or alleged  untrue  statement  of any  material  fact
contained in any preliminary or final registration statement or any amendment or
supplement  thereto,  or arise  out of a  material  fact  required  to be stated
therein or necessary to make the  statements  therein not  misleading;  and SBSO
will  reimburse  United for any legal or other  expense  reasonably  incurred by
United in  connection  with  investigating  or defending  any such loss,  claim,
damage, liability or action; provided,  however, that SBSO will not be liable in
any case to the extent that any such loss, claim, damage or liability arises out
of or is based upon an untrue  statement or alleged untrue statement of omission
or alleged omission made in such preliminary or final registration  statement or
such  amendment or supplement  thereto in reliance  upon and in conformity  with
written information  furnished by or on behalf of United specifically for use in
the  preparation  thereof.  United will  indemnify and hold harmless SBSO to the
same extent as set forth in the  immediately  preceding  sentence  but only with
reference  to  written  information  specifically  furnished  by or on behalf of
United for use in the  preparation  of such  preliminary  or final  registration
statement or such  amendment or supplement  thereto;  and United will  reimburse
SBSO for any legal or other  expense  reasonably  incurred by SBSO in connection
with  investigating  or defending  any such loss,  claim,  damage,  liability or
action.

                  5. Adjustment Upon Changes in Capitalization.  In the event of
any change in the Common Stock by reason of stock dividends, split-ups, mergers,
recapitalizations,  combinations,  conversions, exchanges of shares or the like,
then  the  number  and kind of  Option  Shares  and the  Option  Price  shall be
appropriately adjusted.

                  In the event any capital reorganization or reclassification of
the Common Stock, or any  consolidation,  merger or similar  transaction of SBSO
with another entity, or in the event any sale of all or substantially all of the
assets of SBSO shall be effected in such a way that the holders of Common  Stock
shall be entitled to receive  stock,  securities or assets with respect to or in
exchange  for  Common  Stock,  then,  as a  condition  of  such  reorganization,
reclassification,  consolidation, merger or sale, lawful and adequate provisions
(in form reasonably satisfactory to the holder hereof) shall be made whereby the
holder hereof shall  thereafter  have the right to purchase and receive upon the
basis and upon the  terms and  conditions  specified  herein  and in lieu of the
Common Stock immediately theretofore purchasable and receivable upon exercise of
the rights  represented  by this  Option,  such shares of stock,  securities  or
assets as may be issued or payable with respect to or in exchange for the number
of shares of Common Stock  immediately  theretofore  purchasable  and receivable
upon exercise of the rights represented by this Option had such  reorganization,
reclassification,  consolidation,  merger  or sale not  taken  place;  provided,
however,  that if such  transaction  results  in the  holders  of  Common  Stock
receiving only cash, the holder hereof shall be paid the difference  between the
Option  Price and such  cash  consideration  without  the need to  exercise  the
Option.

                  6. Filings and Consents.  Each of United and SBSO will use its
best  efforts to make all filings  with,  and to obtain  consents  of, all third
parties  and  governmental  authorities  necessary  to the  consummation  of the
transactions contemplated by this Agreement.

                  Exercise  of the Option  herein  provided  shall be subject to
compliance with all applicable laws including, in the event United is the holder
hereof,  approval of the Board of  Governors of the Federal  Reserve  System and
SBSO agrees to cooperate with and furnish to the holder hereof such  information
and documents as may be reasonably required to secure such approvals.

                  7.   Representations  and  Warranties  of  SBSO.  SBSO  hereby
represents and warrants to United as follows:

                           a. Due  Authorization.  SBSO has full corporate power
and authority to execute,  deliver and perform this  Agreement and all corporate
action  necessary for the execution,  delivery and performance of this Agreement
has been duly taken by SBSO.

                           b. Authorized Shares.  SBSO has taken and, as long as
the Option is outstanding, will take all necessary corporate action to authorize
and reserve for issuance all shares of Common Stock that may be issued  pursuant
to any exercise of the Option.

                           c. No  Conflicts.  Neither the execution and delivery
of this  Agreement nor  consummation  of the  transactions  contemplated  hereby
(assuming all  appropriate  regulatory  approvals) will violate or result in any
violation or default of or be in conflict with or constitute a default under any
term of the  certificate of  incorporation  or by-laws of SBSO or any agreement,
instrument, judgment, decree, statute, rule or order applicable to SBSO.

                  8. Specific  Performance.  The parties hereto acknowledge that
damages  would be an inadequate  remedy for a breach of this  Agreement and that
the  obligations  of the  parties  hereto  shall  be  specifically  enforceable.
Notwithstanding the foregoing, United shall have the right to seek money damages
against SBSO for a breach of this Agreement.

                  9. Entire  Agreement.  This Agreement  constitutes  the entire
agreement  between the parties  with  respect to the subject  matter  hereof and
supersedes all other prior agreements and understandings, both written and oral,
among the parties or any of them with respect to the subject matter hereof.

                  10.  Assignment  or Transfer.  United may not sell,  assign or
otherwise transfer its rights and obligations hereunder, in whole or in part, to
any person or group of  persons  other than to an  affiliate  of United,  except
after  the  occurrence  of a  Triggering  Event.  United  represents  that it is
acquiring the Option for United's own account and not with a view to or for sale
in connection with any  distribution of the Option or the Option Shares.  United
shall have the right to assign this  Agreement to any party it selects after the
occurrence of a Triggering Event.

                  11.  Amendment of Agreement.  By mutual consent of the parties
hereto, this Agreement may be amended in writing at any time, for the purpose of
facilitating  performance  hereunder or to comply with any applicable regulation
of any  governmental  authority or any applicable  order of any court or for any
other purpose.

                  12.  Validity.  The  invalidity  or  unenforceability  of  any
provision of this Agreement shall not affect the validity or  enforceability  of
any other  provisions  of this  Agreement,  which shall remain in full force and
effect.

                  13.  Notices.  All  notices,  requests,   consents  and  other
communications  required or permitted hereunder shall be in writing and shall be
deemed to have been duly given when delivered  personally,  by express  service,
cable,  telegram or telex, or by registered or certified mail (postage  prepaid,
return receipt requested) to the respective parties as follows:

                  If to United:

                         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
                         200 Campus Drive
                         Florham Park, New Jersey  07932-0950
                         P.O. Box 1945
                         Morristown, New Jersey  07962-1945
                         Attn.:  Ronald H. Janis, Esq.

                  If to SBSO:

                         State Bank of South Orange
                         Valley and Third Streets, P.O. Box 384
                         South Orange, New Jersey 07049
                         Attn.:  James J. Young, President and 
                                 Chief Executive Officer

                  With a copy to:

                           Lowenstein Sandler PC
                           65 Livingston Avenue
                           Roseland, NJ 07068
                           Attn.:  Peter Ehrenberg, Esq.

or to such other  address  as the person to whom  notice is to be given may have
previously  furnished  to the others in  writing  in the manner set forth  above
(provided  that  notice of any change of address  shall be  effective  only upon
receipt thereof).

                  14.  Governing  Law. This  Agreement  shall be governed by and
construed in accordance with the laws of the State of New Jersey.

                  15.  Captions.  The captions in the Agreement are inserted for
convenience and reference purposes,  and shall not limit or otherwise affect any
of the terms or provisions hereof.

                  16. Waivers and Extensions.  The parties hereto may, by mutual
consent,  extend the time for  performance of any of the  obligations or acts of
either  party  hereto.  Each  party  may waive  (i)  compliance  with any of the
covenants of the other party  contained in this Agreement  and/or (ii) the other
party's performance of any of its obligations set forth in this Agreement.

                  17. Parties in Interest.  This Agreement shall be binding upon
and inure  solely to the  benefit  of each  party  hereto,  and  nothing in this
Agreement,  express or implied,  is intended to confer upon any other person any
rights  or  remedies  of any  nature  whatsoever  under  or by  reason  of  this
Agreement,  except as  provided  in Section 10  permitting  United to assign its
rights and obligations hereunder.

                  18.  Counterparts.  This  Agreement  may be executed in two or
more counterparts,  each of which shall be deemed to be an original,  but all of
which shall constitute one and the same agreement.

                  19.  Termination.  This Agreement  shall terminate upon either
the termination of the Merger  Agreement as provided therein or the consummation
of the transactions  contemplated by the Merger  Agreement;  provided,  however,
that if  termination  of the Merger  Agreement  occurs after the occurrence of a
Triggering  Event (as  defined in Section 2 hereof),  this  Agreement  shall not
terminate until the later of 18 months  following the date of the termination of
the Merger  Agreement or the  consummation  of any proposed  transactions  which
constitute the Triggering Event.

                  IN WITNESS  WHEREOF,  each of the parties hereto,  pursuant to
resolutions  adopted by its Board of Directors,  has caused this Agreement to be
executed by its duly authorized officer,  all as of the day and year first above
written.

                                   STATE BANK OF SOUTH ORANGE

                                       JAMES J. YOUNG
                                   By:------------------------------------------
                                       James J. Young, President and CEO


                                   UNITED NATIONAL BANCORP

                                       THOMAS C. GREGOR
                                   By:------------------------------------------
                                       Thomas C. Gregor
                                       Chairman, President and 
                                       Chief Executive Officer


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