LAKE ARIEL BANCORP INC
SC 13D, 1999-08-18
NATIONAL COMMERCIAL BANKS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                            Lake Ariel Bancorp, Inc.
                             -----------------------
                                (Name of Issuer)

                     Common Stock, par value $.21 per share
                -------------------------------------------------
                         (Title of Class of Securities)

                                   507467 10 8
                 -----------------------------------------------
                      (CUSIP Number of Class of Securities)

                              Mr. Daryl R. Forsythe
                      President and Chief Executive Officer
                                NBT Bancorp Inc.
                              52 South Broad Street
                             Norwich, New York 13815
                                 (607) 337-6000
    ------------------------------------------------------------------------
            (Name, Address and Telephone Number of Person Authorized
                     to Receive Notices and Communications)

                                    Copy to:

                              Brian D. Alprin, Esq.
                             Laurence S. Lese, Esq.
                          Duane, Morris & Heckscher LLP
                         1667 K Street, N.W., Suite 700
                             Washington, D.C. 20006
                                 (202) 776-7800

                                       1

<PAGE>


                                 August 16, 1999
                     ---------------------------------------
                          (Date of Event which Requires
                            Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which  is the  subject  of  this  Statement  because  of  Rule
13d-1(b)(3) or (4), check the following:
                                       [ ]

Check the following box if a fee is being paid with this Statement:
                                       [ ]
- --------------------------------------------------------------------------------
(1)      NAMES OF REPORTING PERSONS
         S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

         NBT BANCORP INC.
         16-1268674
- --------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                     (a) [ ]
                                     (b) [ ]
- --------------------------------------------------------------------------------
(3)      SEC USE ONLY

- -------------------------------------------------------------------------------
(4)      SOURCE OF FUNDS*

         WC/00
- -------------------------------------------------------------------------------
(5)      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
         PURSUANT TO ITEMS 2(d) or 2(e)
                                         [ ]
- -------------------------------------------------------------------------------
(6)      CITIZENSHIP OR PLACE OF ORGANIZATION

         DELAWARE
- -------------------------------------------------------------------------------
NUMBER OF SHARES                    (7)     SOLE VOTING POWER
BENEFICIALLY OWNED BY                           965,300(1)
EACH REPORTING PERSON               -----------------------------------
WITH:                               (8)     SHARED VOTING
                                                 -0-
                                    -----------------------------------

                                       2

<PAGE>


                                    (9)     SOLE DISPOSITIVE
                                                965,300(1)
                                    ------------------------------------
                                    (10)     SHARED DISPOSITIVE
                                                  -0-
- -------------------------------------------------------------------------------
(11)     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
         PERSON

         965,300(1)
- -------------------------------------------------------------------------------
(12)     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*                            [ ]

         N/A
- -------------------------------------------------------------------------------
(13)     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11

         APPROXIMATELY 16.6%(2)
- -------------------------------------------------------------------------------
(14)     TYPE OF REPORTING PERSON*

         CO
- -------------------------------------------------------------------------------

*        SEE INSTRUCTIONS BEFORE FILLING OUT!

(1)      The  shares  of  Issuer   common  stock  covered  by  this  report  are
         purchasable by the Reporting  Person upon exercise of an option granted
         to the Reporting  Person as of August 16, 1999, and described in Item 4
         of this  report.  Prior to the  exercise of the option,  the  Reporting
         Person is not entitled to any rights as a  stockholder  of Issuer as to
         the shares covered by the option. The option may only be exercised upon
         the  happening of certain  events  referred to in Item 4, none of which
         has  occurred as of the date hereof.  The  Reporting  Person  expressly
         disclaims  beneficial ownership of any of the shares of common stock of
         Issuer which are  purchasable by the Reporting  Person upon exercise of
         the option until such time as the Reporting  Person  purchases any such
         shares  upon  any  such  exercise.   The  number  of  shares  indicated
         represents  19.9% of the total  outstanding  shares of common  stock of
         Issuer as of August 16, 1999,  excluding  shares issuable upon exercise
         of the option.

(2)      After giving effect to the exercise of the option as described herein.

                                       3

<PAGE>


ITEM 1.  SECURITY AND ISSUER.

This statement on Schedule 13D (the "Schedule 13D") relates to the common stock,
par value $.21 per share (the "Shares" or the "Issuer  Common  Stock"),  of Lake
Ariel Bancorp,  Inc., a Pennsylvania  corporation (the "Issuer").  The principal
executive office of the Issuer is located at Post Office Box 67, Route 191, Lake
Ariel, PA 18436.

The  information   set  forth  in  the  Exhibits  hereto  is  hereby   expressly
incorporated herein by reference and the responses to each item of this Schedule
13D are qualified in their entirety by the provisions of such Exhibits.

ITEM 2.  IDENTITY AND BACKGROUND.

(a)-(c) This Schedule 13D is filed by NBT Bancorp  Inc., a Delaware  corporation
(the "Reporting Person").

The business address of the Reporting Person is 52 South Broad Street,  Norwich,
New York 13815. The principal business of the Reporting Person is a bank holding
company.

To the best of the Reporting Person's knowledge as of the date hereof, the name;
business address;  present principal  occupation or employment;  name, principal
business  and address of any  corporation  or other  organization  in which such
employment is conducted;  and citizenship of each executive officer and director
of the  Reporting  Person is set forth in  Schedule  I hereto.  The  information
contained in Schedule I is incorporated herein by reference.

(d)-(e)  During the last five years,  neither the  Reporting  Person nor, to the
best  knowledge  of the  Reporting  Person,  any of the  executive  officers  or
directors of the Reporting Person,  has been convicted in a criminal  proceeding
(excluding  traffic  violations or similar  misdemeanors),  or been a party to a
civil proceeding of a judicial or administrative body of competent  jurisdiction
and as a result of such  proceeding  was or is subject to a judgment,  decree or
final  order  enjoining  future  violations  of,  or  prohibiting  or  mandating
activities subject to, federal or state securities laws or finding any violation
with respect to such items.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

The  Option  (defined  in Item 4 below) to  acquire  Shares  was  granted to the
Reporting  Person as an inducement to the  Reporting  Person's  entering into an
Agreement  and Plan of Merger,  dated as of August 16, 1999,  by and between the
Reporting Person and the Issuer (the "Plan of Merger"), providing for the merger
(the  "Merger")  of the  Issuer  with  and into the  Reporting  Person  with the
Reporting  Person  being  the  surviving  corporation,  pursuant  to which  each
outstanding  Share will be converted  into the right to receive shares of common
stock, no par value,  $1.00 stated value per share, of the Reporting Person (the
"Reporting  Person Common Stock").  The Merger is subject to the approval of the
Issuer's  and  Reporting   Person's   stockholders,   respectively,   regulatory
approvals,  and the satisfaction or waiver of various other conditions,  as more
fully described in the Plan of Merger. None of the

                                       4

<PAGE>

Triggering  Events  (defined  in Item 4 below)  permitting  the  exercise of the
Option has occurred as of the date hereof.  In the event that the Option becomes
exercisable  and the  Reporting  Person  wishes to purchase  the Shares  subject
thereto,  the Reporting Person anticipates that it would fund the exercise price
of $10,980,288  (assuming  full exercise of the Option) with working  capital or
through other financing sources available to the Reporting Person at the time of
exercise.  A copy of the Plan of Merger is attached  hereto as Exhibit  2.1. See
also Item 4 below.


ITEM 4.  PURPOSE OF THE TRANSACTION.

The information set forth in Item 3 is hereby incorporated herein by reference.

The purpose of the  transaction  is for Issuer to merge with and into  Reporting
Person, with Reporting Person being the surviving entity. In connection with the
Plan of Merger and in  consideration  thereof,  Issuer and the Reporting  Person
entered into that certain Stock Option Agreement (the "Option Agreement"), dated
August 16, 1999,  whereby Issuer granted to the Reporting  Person an option (the
"Option") to purchase,  under certain  circumstances  described  therein,  up to
965,300 Shares at a cash purchase  price per Share equal to $11.375,  subject to
antidilution adjustment as provided therein (the "Purchase Price"). Based on the
number of Shares outstanding on August 16, 1996, the Option would be exercisable
for approximately 19.9% of the outstanding Shares, or approximately 16.6% of the
Shares that would be  outstanding  after  giving  effect to the  exercise of the
Option.

The Reporting  Person may exercise the Option,  in whole or in part, at any time
and from time to time  following  the  happening  of  certain  events  (each,  a
"Triggering  Event"),  provided that the Reporting Person provide written notice
of such  exercise  to the  Issuer in  accordance  with the Option  Agreement.  A
Triggering Event includes any one or more of the following events:

         (a) Issuer or LA Bank,  National  Association (the "Bank  Subsidiary"),
without having received  Reporting  Person's prior written  consent,  shall have
entered into an agreement to engage in an  Acquisition  Transaction  (as defined
below) with any person  (the term  "person"  for  purposes of the Plan of Merger
having the  meaning  assigned  thereto in sections  3(a)(9) and  13(d)(3) of the
Securities  Exchange Act of 1934, as amended (the "Exchange Act"), and the rules
and  regulations   thereunder)  other  than  Reporting  Person  or  any  of  its
subsidiaries (each a "Reporting Person  Subsidiary"),  or the Board of Directors
of Issuer (the "Issuer Board") or of the Bank Subsidiary  shall have recommended
that the  shareholders of Issuer approve or accept any  Acquisition  Transaction
other than as contemplated by the Plan of Merger;

         (b) Any person other than the Reporting  Person or any Reporting Person
Subsidiary  shall have  acquired  beneficial  ownership  or the right to acquire
beneficial  ownership of 10 percent or more of the outstanding  Shares (the term
"beneficial  ownership"  for  purposes of the Plan of Merger  having the meaning
assigned  thereto  in  section  13(d)  of the  Exchange  Act and the  rules  and
regulations  thereunder),  or,  to the  extent  any such  person  has  currently
acquired beneficial ownership or the right to acquire beneficial ownership of 10
percent or more of the  outstanding  Shares,  such  person  shall have  acquired
beneficial  ownership  or the  right  to  acquire  beneficial  ownership  of any
additional Shares;

                                       5

<PAGE>


         (c) The  shareholders  of  Issuer  shall  have  voted on and  failed to
approve the Plan of Merger at a meeting  which has been held for that purpose or
any  adjournment or  postponement  thereof,  or such meeting shall not have been
held in  violation  of the Plan of Merger or shall have been  canceled  prior to
termination  of the Plan of Merger if, prior to such meeting (or if such meeting
shall  not  have  been  held  or  shall  have  been  canceled,   prior  to  such
termination),  it shall have been publicly announced that any person (other than
Reporting Person or any Reporting Person Subsidiary) shall have made a bona fide
proposal to engage in an Acquisition Transaction;

          (d) The Issuer  Board shall have  withdrawn  or modified  (or publicly
announced  its  intention  to  withdraw  or  modify)  in any  manner  adverse to
Reporting Person its recommendation  that the shareholders of Issuer approve the
transactions contemplated by the Plan of Merger or Issuer or the Bank Subsidiary
shall have  authorized,  recommended  or proposed  (or  publicly  announced  its
intention  to  authorize,  recommend  or propose) an  agreement  to engage in an
Acquisition  Transaction  with any  person  other than  Reporting  Person or any
Reporting Person Subsidiary;

           (e) Any person other than  Reporting  Person or any Reporting  Person
Subsidiary shall have made a bona fide proposal to Issuer or its shareholders to
engage in an Acquisition  Transaction and such proposal shall have been publicly
announced;

           (f) Any person other than  Reporting  Person or any Reporting  Person
Subsidiary shall have filed with the Securities and Exchange  Commission ("SEC")
a registration  statement or tender offer  materials with respect to a potential
exchange or tender offer that would constitute an Acquisition Transaction;

            (g) Issuer shall have breached any covenant or obligation  contained
in the Plan of Merger in anticipation of engaging in an Acquisition  Transaction
with any person other than Reporting  Person or a Reporting  Person  Subsidiary,
and following such breach,  Reporting  Person would be entitled to terminate the
Plan of Merger pursuant to section 11.2(b) of the Plan of Merger, or

             (h) any person other than Reporting  Person or any Reporting Person
Subsidiary shall have filed an application or notice with the Board of Governors
of the  Federal  Reserve  System or other  federal or state bank  regulatory  or
antitrust  authority,   which  application  or  notice  has  been  accepted  for
processing, for approval to engage in an Acquisition Transaction.

The term  "Acquisition  Transaction"  means any transaction under which a person
proposes  to or will  acquire a majority of the stock of,  merge or  consolidate
with,  or acquire  all or  substantially  all of the assets of the Issuer or the
Bank Subsidiary,  or otherwise engage in any substantially  similar  transaction
with the Issuer or the Bank Subsidiary.

The Option and the Option  Agreement  will  terminate  upon the  earliest of (a)
occurrence  of the  Effective  Time  (as  such  term is  defined  in the Plan of
Merger); (b) termination of the Plan of Merger in accordance with the provisions
thereof except (each of the following exceptions being hereinafter  collectively
referred to as an "Excepted  Termination")  a  termination  by Reporting  Person
pursuant  to  section  11.2(b)  of the Plan of Merger as a result of a breach by
Issuer of the type  described  in such

                                       6

<PAGE>

provision,  or a termination by Issuer  pursuant to section  11.2(c)(iii) of the
Plan of  Merger;  or (c) the  passage  of 18 months  (or such  longer  period as
provided in section 10) after an Excepted Termination.

Upon the  occurrence of certain  events set forth in the Option  Agreement,  the
Option may be repurchased by Issuer (the "Repurchase").  In addition, the Option
Agreement grants certain registration rights (the "Registration  Rights") to the
Reporting Person with respect to the Shares represented by the Option. The terms
of  such  Repurchase  and  Registration  Rights  are  set  forth  in the  Option
Agreement.

A copy of the Option Agreement is attached hereto as Exhibit 2.3.

The purpose of the Option Agreement is to facilitate consummation of the Merger.

(a)-(j) Upon  consummation  of the Merger as contemplated by the Plan of Merger,
(a) the Issuer will be merged into Reporting  Person and the separate  existence
of Issuer will terminate,  (b) Reporting Person by operation of law will own the
assets and be subject to the liabilities of the Issuer in exchange for Reporting
Person Common Stock to be distributed to holders of the Issuer's securities, (c)
the Board of Directors of the Issuer will be terminated,  (d) the Certificate of
Incorporation and Bylaws of the Issuer will be canceled, (e) all the Shares will
be  canceled  upon  effectiveness  of the Merger and the Shares will cease to be
authorized  to be listed on the NMS of NASDAQ,  and (f) the Shares  will  become
eligible for  termination of  registration  pursuant to Section  12(g)(4) of the
Securities Exchange Act of 1934, as amended.

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

(a)-(b)  The number of Shares  covered  by the Option is equal to 965,300  which
constitute  (i) 19.9% of Issuer  Common  Stock  based on the  Shares  issued and
outstanding  on August 16,  1999,  or (ii) 16.6% of the shares of Issuer  Common
Stock that would be  outstanding  after  giving  effect to the  exercise  of the
Option.

Prior to the exercise of the Option, the Reporting Person (i) is not entitled to
any rights as a stockholder of Issuer as to the Shares covered by the option and
(ii)  disclaims  any  beneficial  ownership of the shares of Issuer Common Stock
which are  purchasable  by the  Reporting  Person  upon  exercise  of the Option
because the Option is exercisable only in the limited circumstances  referred to
in Item 4 above, none of which has occurred as of the date hereof. If the Option
were  exercised,  the  Reporting  Person would have the sole right to vote or to
dispose  of the  shares  of  Issuer  Common  Stock  issued  as a result  of such
exercise.

         (c)  Other  than  as set  forth  in this  Item  5,  to the  best of the
Reporting  Person's  knowledge  as of the date hereof (i) neither the  Reporting
Person nor any  subsidiary or affiliate of the  Reporting  Person nor any of the
Reporting Person's executive officers or directors  beneficially owns any shares
of Issuer Common Stock,  and (ii) there have been no  transactions in the shares
of Issuer Common Stock effected during the past 60 days by the Reporting Person,
nor to the  best of the  Reporting  Person's  knowledge,  by any  subsidiary  or
affiliate of the  Reporting  Person or any of the Reporting  Person's  executive
officers of directors.

                                       7

<PAGE>


         (d) No other person is known by the Reporting  Person to have the right
to receive or the power to direct the receipt of dividends from, or the proceeds
from the sale of, the Issuer Common Stock  obtainable  by the  Reporting  Person
upon exercise of the Option.

         (e) Not applicable.

ITEM 6.  CONTRACTS,  ARRANGEMENTS,  UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
         TO SECURITIES OF THE ISSUER.

The disclosure set forth in Items 3 and 4 above regarding the Plan of Merger and
Option Agreement is hereby incorporated herein by reference.

As a part  of the  Plan  of  Merger,  each  of  Issuer's  directors  has  agreed
individually  and  as  a  group,  subject  to  their  fiduciary  duties  to  the
stockholders,  to support the Plan of Merger and to  recommend  its  adoption by
other  stockholders of Issuer and to refrain from  soliciting,  negotiating,  or
accepting  any offer of  merger,  consolidation,  or  acquisition  of any of the
Shares or all or  substantially  all of the  assets of the  Issuer or any of its
subsidiaries.


ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS.

EXHIBIT      DESCRIPTION

2.1      Agreement  and Plan of  Merger,  dated as of August  16,  1999,  by and
         between NBT Bancorp Inc. and Lake Ariel Bancorp, Inc.

2.2      The Directors'  Agreement,  dated as of August 16, 1999, is part of the
         Plan of Merger, which is filed as Exhibit 2.1 above.

2.3      Stock Option  Agreement,  dated  August 16,  1999,  by and between Lake
         Ariel Bancorp, Inc. as "Issuer" and NBT Bancorp Inc. as "Grantee."

2.4      Form of Employment Agreement with John G. Martines

2.5      Form of Change-in-Control Agreement

                                       8

<PAGE>


                                    SIGNATURE

         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that this statement is true, complete and correct.

                                           NBT BANCORP INC.

                                           By: /s/ Daryl R. Forsythe
                                           Name:   Daryl R. Forsythe
                                           Title:  President and Chief
                                                     Executive Officer

Dated:  August 17, 1999

                                       9

<PAGE>


                                 SCHEDULE I


              DIRECTORS AND EXECUTIVE OFFICERS OF NBT BANCORP INC.

         The following table sets forth the name,  business  address and present
principal occupation or employment of each director and executive officer of the
Reporting Person.  Each such person is a U.S. citizen,  and the business address
of each such person is 52 South Broad Street, Norwich, New York 13815.


Name and Business                        Present Principal
    Address                                  Occupation
    -------                                  ----------

*Daryl R. Forsythe                      President and Chief Executive Officer

*Everett A. Gilmour                     Chairman, Retired

Joe C. Minor                            Executive Vice President, Chief
                                          Financial Officer, and Treasurer

John D. Roberts                         Vice President and Secretary

*J. Peter Chaplin                       Retired

*Peter B. Gregory                       Partner, Gatehouse Antiques

*Andrew S. Kowalczyk, Jr.               Partner, Kowalczyk, Tolles, Deery
                                          & Johnston, attorneys

*Dan B. Marshman                        Marshman Farms, Inc.

*John C. Mitchell                       President, I.L. Richer Co.
                                          (agribusiness)

*William L. Owens                       Partner, Stafford, Trombley, Owens
                                          & Curtin, P.C., attorneys

*Paul O. Stillman                       Chairman, Preferred Mutual
                                          Insurance Co.


*Director of NBT Bancorp Inc.

                                       10

<PAGE>

                                  EXHIBIT INDEX


EXHIBIT  DESCRIPTION

   2.1   Agreement  and Plan of  Merger,  dated as of August  16,  1999,  by and
         between NBT Bancorp Inc. and Lake Ariel Bancorp, Inc.

   2.2   The Directors'  Agreement,  dated as of August 16, 1999, is part of the
         Plan of Merger, which is filed as Exhibit 2.1 above.

   2.3   Stock Option  Agreement,  dated  August 16,  1999,  by and between Lake
         Ariel Bancorp, Inc. as "Issuer" and NBT Bancorp Inc. as "Grantee."

   2.4   Form of Employment Agreement with John G. Martines

   2.5   Form of Change-in-Control Agreement





                                       11


                                   EXHIBIT 2.1

                          AGREEMENT AND PLAN OF MERGER


     THIS  AGREEMENT  AND PLAN OF MERGER made as of the sixteenth day of August,
1999,  among NBT  BANCORP  INC.  ("NBTB"),  a  Delaware  corporation  having its
principal office in Norwich,  New York and LAKE ARIEL BANCORP,  INC. ("LABN"), a
Pennsylvania corporation having its principal office in Lake Ariel, Pennsylvania

                         W I T N E S S E T H  T H A T :

     WHEREAS, NBTB and LABN are bank holding companies which desire to affiliate
with each other  through the merger of LABN with and into NBTB,  with NBTB to be
the surviving corporation (the "Merger");

     WHEREAS,  the Board of Directors of LABN has determined that it would be in
the best  interests of LABN,  its  shareholders,  its  customers,  and the areas
served by LABN to become affiliated with NBTB through the Merger;

     WHEREAS,  subject to the terms and conditions hereof, the respective Boards
of  Directors  of NBTB and LABN have agreed to cause the Merger  pursuant to the
provisions of section 251 et seq. of the Delaware  General  Corporation Law (the
"GCL") and section 1921 et seq. of the  Pennsylvania  Business  Corporation  Law
(the "BCL");

     WHEREAS,  the  parties  intend  that  the  Merger  qualify  as  a  tax-free
reorganization  under  section  368(a) of the Internal  Revenue Code of 1986, as
amended (the "Code"), and that the business  combination  contemplated hereby be
accounted for under the "pooling-of-interests" accounting method; and

     WHEREAS,  the parties desire to make certain  representations,  warranties,
and  agreements  in  connection  with the Merger and also to  prescribe  certain
conditions to the Merger;

     NOW,  THEREFORE,   in  consideration  of  these  premises  and  the  mutual
agreements  hereinafter  set forth,  intending to be legally bound,  the parties
agree as follows:


1.   COMBINATION.

     1.1. Merger of NBTB and LABN.  Subject to the provisions of this Agreement,
on the date and at the time to be specified in the  Certificate  of Merger to be
filed on the date of the  Closing  with the  Secretary  of State of the State of
Delaware  pursuant  to the GCL and in the  Articles of Merger to be filed on the
date  of the  Closing  with  the  Secretary  of  State  of the  Commonwealth  of
Pennsylvania  pursuant to the BCL (the  "Effective  Time"),  LABN will be merged
with and into NBTB.

                                       1

<PAGE>


     1.2.  Effect of the Merger.  At the Effective Time:

         (a) LABN and NBTB (the  "Constituent  Corporations")  shall be a single
corporation,  which shall be NBTB.  NBTB is hereby  designated  as the surviving
corporation  in the Merger and is  hereinafter  sometimes  called the "Surviving
Corporation."

         (b) The separate existence of LABN shall cease.

         (c) The Surviving  Corporation  shall have all the rights,  privileges,
immunities,  and  powers  and shall  assume and be subject to all the duties and
liabilities of a corporation organized under the GCL.

         (d) The Surviving  Corporation  shall thereupon and thereafter  possess
all of the rights,  privileges,  immunities, and franchises, of a public as well
as of a  private  nature,  of  each  of the  Constituent  Corporations;  and all
property,  real,  personal  and mixed,  and all debts due on  whatever  account,
including  subscriptions for shares and all other choses in action,  and all and
every  other  interest  of and  belonging  to or due to each of the  Constituent
Corporations  shall be taken and deemed to be  transferred  to and vested in the
Surviving  Corporation without further action, act or deed; and the title to any
real  estate,  or any  interest  therein,  vested in  either of the  Constituent
Corporations shall not revert or be in any way impaired by reason of the Merger.

         (e) The Surviving  Corporation  shall  thenceforth be  responsible  and
liable  for all  the  liabilities  and  obligations  of each of the  Constituent
Corporations;  and any claim  existing  or action or  proceeding  pending  by or
against either of the Constituent  Corporations may be prosecuted to judgment as
if the Merger had not taken place, or the Surviving Corporation may be proceeded
against or substituted in its place. The Surviving Corporation expressly assumes
and agrees to perform all of LABN's  liabilities  and  obligations.  Neither the
rights of creditors nor any liens upon the property of either of the Constituent
Corporations shall be impaired by the Merger.

         (f) Any taxes,  penalties,  and public accounts of the  Commonwealth of
Pennsylvania,  claimed  against either of the Constituent  Corporations  but not
settled, assessed, or determined prior to the Merger shall be settled, assessed,
or determined  against the  Surviving  Corporation  and,  together with interest
thereon,  shall be a lien against the  franchises  and  property,  both real and
personal, of the Surviving Corporation.

         (g) The Certificate of Incorporation  of NBTB as it exists  immediately
prior to the Effective Time shall be amended by amending  Article FOURTH thereof
to read as follows:

         FOURTH:  The total  number of shares of all  classes of  capital  stock
     which the  Corporation  shall have the authority to issue is Twenty Million
     (20,000,000) shares,  consisting of Seventeen Million Five Hundred Thousand
     (17,500,000) shares of Common Stock having no par value, stated value $1.00
     per share,  and Two Million Five  Hundred  Thousand  (2,500,000)  shares of
     Preferred Stock having no par value, stated value $1.00 per share.

                                       2

<PAGE>


and, as so amended,  shall be the Certificate of  Incorporation of the Surviving
Corporation until later amended pursuant to Delaware law.

         (h)  The  By-Laws  of  NBTB  as they  exist  immediately  prior  to the
Effective  Time shall be the  By-Laws of NBTB until  later  amended  pursuant to
Delaware law.

         (i) The authorized  shares of capital stock of NBTB as of the Effective
Time shall be 2,500,000  shares of Preferred  Stock, no par value,  $1.00 stated
value, and 17,500,000  shares of Common Stock, no par value,  $1.00 stated value
(the "NBTB Common Stock").

         (j) Subject to the terms, conditions, and limitations set forth herein,
at the  Effective  Time and until  surrendered  for exchange  and payment,  each
outstanding stock certificate  which,  prior to the Effective Time,  represented
shares of the common stock,  $0.21 par value, of LABN (the "LABN Common Stock"),
other  than any  shares  of LABN  Common  Stock  held by NBTB  (other  than in a
fiduciary,  representative,  or  custodial  capacity),  which  shall be canceled
without any payment  therefor,  except for any dividends  declared  prior to the
Effective Time but not yet paid as of the Effective  Time,  shall,  by virtue of
this  Agreement  and  without  any  action on the part of the  holder or holders
thereof,  cease to represent an issued and existing share and shall be converted
into a right to receive  from NBTB,  and shall for all  purposes  represent  the
right to receive,  upon surrender of the certificate formerly  representing such
shares,  a  certificate  representing  the number of shares of NBTB Common Stock
specified in section 1.3 of this  Agreement;  provided that, with respect to any
matters relating to stock certificates  representing LABN Common Stock, NBTB may
rely conclusively upon the record of stockholders  maintained by LABN containing
the names and  addresses of the holders of record of LABN's  Common Stock at the
Effective Time.

     1.3.  Consideration  for  Merger.  Subject  to the terms,  conditions,  and
limitations  set forth  herein,  as a result of the  Merger,  each share of LABN
Common  Stock other than shares of LABN Common Stock held by NBTB (other than in
a fiduciary,  representative, or custodial capacity) shall be converted into the
right to receive, in exchange for each share of LABN Common Stock held of record
as of the Effective Time,  that number of shares (the "Exchange  Ratio") of NBTB
Common Stock  calculated  (subject to the next  sentence  and to the  procedures
specified in section  11.2(d)(ii) of this  Agreement) by dividing  $18.50 by the
average of the closing bid price and the closing  asked price per share for NBTB
Common  Stock as  reported  on the Nasdaq  National  Market  (or, in the absence
thereof,  as reported by or  determined  by  reference to such other source upon
which NBTB and LABN shall agree) for each of the twenty consecutive trading days
ending on and  including the eighth  trading day before the Effective  Time (the
"Average Closing Price").  Notwithstanding  the foregoing,  however,  (a) if the
ratio  computed in accordance  with the preceding  sentence is less than 0.8315,
then the  Exchange  Ratio  shall be  0.8315;  and (b) if the ratio  computed  in
accordance  with the preceding  sentence is more than 0.9487,  then the Exchange
Ratio shall be 0.9487.

     1.4. No Fractional  Shares.  NBTB will not issue  fractional  shares of its
stock.  In  lieu of  fractional  shares  of  NBTB  Common  Stock,  if any,  each
shareholder  of LABN who is entitled to a fractional  share of NBTB Common Stock
shall receive an amount of cash equal to the product of such fraction  times the
Average  Closing  Price.  Such  fractional  share interest shall not include the
right to vote or to receive

                                       3

<PAGE>

dividends or any interest thereon.

     1.5.  Dividends;  Interest.  No  shareholder  of LABN will be  entitled  to
receive  dividends  on his,  her or its NBTB  Common  Stock  until he, she or it
exchanges his, her or its certificates  representing  LABN Common Stock for NBTB
Common Stock.  Any dividends  declared on NBTB Common Stock to holders of record
on or after the  Effective  Time shall,  with  respect to stock to be  delivered
pursuant to this Agreement to  shareholders of LABN who have not exchanged their
certificates  representing  LABN Common Stock for NBTB Common Stock,  be paid to
the Exchange  Agent (as designated in section 1.6 of this  Agreement)  and, upon
receipt from a former shareholder of LABN of certificates representing shares of
LABN Common Stock,  the Exchange Agent shall forward to such former  shareholder
of LABN (i)  certificates  representing  his,  her or its shares of NBTB  Common
Stock, (ii) dividends declared thereon subsequent to the Effective Time (without
interest)  and (iii)  the cash  value of any  fractional  shares  determined  in
accordance with section 1.4 hereof.

     1.6.  Designation of Exchange Agent.

         (a) The  parties to this  Agreement  hereby  designate  American  Stock
Transfer and Trust  Company,  New York,  New York  ("AST") as Exchange  Agent to
effect the exchanges contemplated hereby.

         (b) NBTB will,  promptly after the Effective Time, issue and deliver to
AST the share certificates representing shares of NBTB Common Stock (each a "New
Certificate")  and the  cash  to be paid to  holders  of LABN  Common  Stock  in
accordance with this Agreement.

         (c) If any New Certificate is to be issued in a name other than that in
which  the  certificate  formerly   representing  LABN  Common  Stock  (an  "Old
Certificate")  and surrendered  for exchange was issued,  the Old Certificate so
surrendered shall be properly endorsed and otherwise in proper form for transfer
and the person  requesting  such exchange shall pay to AST any transfer or other
taxes  required  by reason of the  issuance of the New  Certificate  in any name
other than that of the registered holder of the Old Certificate surrendered,  or
establish  to the  satisfaction  of AST that  such  tax has been  paid or is not
payable.

         (d) In the event that any Old  Certificates  have not been  surrendered
for  exchange  in  accordance  with  this  Agreement  on or  before  the  second
anniversary  of the Effective  Time,  NBTB may at any time  thereafter,  with or
without notice to the holders of record of such Old  Certificates,  sell for the
accounts  of any or all of such  holders any or all of the shares of NBTB Common
Stock which such holders are entitled to receive  under  Section 1.3 hereof (the
"Unclaimed Shares"). Any such sale may be made by public or private sale or sale
at any broker's board or on any  securities  exchange in such manner and at such
times as NBTB shall  determine.  If, in the opinion of counsel  for NBTB,  it is
necessary or desirable,  any Unclaimed  Shares may be registered  for sale under
the  Securities  Act of 1933, as amended (the  "Securities  Act") and applicable
state laws. NBTB shall not be obligated to make any sale of Unclaimed  Shares if
it shall determine not to do so, even if notice of sale of the Unclaimed  Shares
has been given.  The net proceeds of any such sale of Unclaimed  Shares shall be
held for holders of the  unsurrendered  Old Certificates  whose Unclaimed Shares
have been sold, to be paid

                                       4

<PAGE>


to them upon  surrender of the Old  Certificates.  From and after any such sale,
the sole  right of the  holders  of the  unsurrendered  Old  Certificates  whose
Unclaimed  Shares  have been sold  shall be the  right to  collect  the net sale
proceeds held by NBTB for their respective accounts,  and such holders shall not
be entitled to receive any interest on such net sale proceeds held by NBTB.

         (e) If any Old  Certificates  are not surrendered  prior to the date on
which such certificates would otherwise escheat to or become the property of any
governmental unit or agency,  the unclaimed items shall, to the extent permitted
by abandoned  property and any other applicable law, become the property of NBTB
(and to the extent  not in its  possession  shall be paid over to it),  free and
clear of all  claims or  interest  of any  person  previously  entitled  to such
claims.  Notwithstanding the foregoing, neither NBTB nor its agents or any other
person  shall be  liable  to any  former  holder  of LABN  Common  Stock for any
property  delivered  to a  public  official  pursuant  to  applicable  abandoned
property, escheat or similar laws.

     1.7. Notice of Exchange.  Promptly after the Effective Time, AST shall mail
to each holder of one or more  certificates  formerly  representing  LABN Common
Stock a notice  specifying  the  Effective  Time and  notifying  such  holder to
surrender his, her or its certificate or certificates to AST for exchange.  Such
notice  shall be mailed to  holders by regular  mail at their  addresses  on the
records of LABN.

     1.8.  Acts to Carry Out This Merger Plan.

         (a) LABN and its proper  officers and directors  shall do all such acts
and things as may be  necessary or proper to vest,  perfect,  or confirm in NBTB
title to such property or rights as are specified in sections  1.2(c) and 1.2(d)
of this Agreement and otherwise to carry out the purposes of this Agreement.

         (b) If, at any time after the Effective Time, NBTB shall consider or be
advised that any further  assignments or assurances in law or any other acts are
necessary or desirable to (i) vest, perfect, or confirm, of record or otherwise,
in NBTB its right, title, or interest in or under any of the rights, properties,
or assets  of LABN  acquired  or to be  acquired  by NBTB as a result  of, or in
connection  with, the Merger,  or (ii) otherwise  carry out the purposes of this
Agreement,  LABN and its proper  officers and directors  shall be deemed to have
granted to NBTB an irrevocable power of attorney to execute and deliver all such
proper deeds, assignments, and assurances in law and to do all acts necessary or
proper to vest,  perfect,  or confirm  title to and  possession  of such rights,
properties,  or assets in NBTB and  otherwise  to carry out the purposes of this
Agreement; and the proper officers and directors of NBTB are fully authorized in
the name of LABN or otherwise to take any and all such action.

     1.9.  Treatment of Stock Options.  At the Effective Time, each stock option
to purchase LABN Common Stock not exercised prior to the Effective Time (each, a
"Converted  Option"),   whether  vested  or  unvested,  shall  automatically  be
converted into an option (a "Replacement  Option") to acquire, on the same terms
and conditions as were applicable  under the terms of such Converted  Option and
any option plan under which such Converted Option was issued (or as near thereto
as is  practicable),  a number of shares of NBTB Common  Stock equal to (rounded
down to the  nearest  whole  number of shares)  (a) the number of shares of LABN
Common  Stock  subject  to  such  Converted  Option  as of  the

                                       5

<PAGE>

Effective Time  multiplied by (b) the Exchange  Ratio,  at an exercise price per
share  (rounded  down to the  nearest  whole  cent)  equal to (x) the  aggregate
exercise price under such Converted  Option for all of the shares of LABN Common
Stock subject to such Converted  Option at the Effective Time divided by (y) the
number  of shares of NBTB  Common  Stock  subject  to such  Replacement  Option.
Notwithstanding the foregoing,  each Converted Option which is intended to be an
"incentive  stock  option"  (as  defined  in section  422 of the Code)  shall be
adjusted in accordance  with the  requirements of section 424 of the Code. At or
prior to the Effective Time, LABN shall take all action, if any,  necessary with
respect to any Converted  Options or stock plans under which  Converted  Options
have  been  issued to permit  the  replacement  of the  Converted  Options  with
Replacement  Options as contemplated by this section 1.9. At the Effective Time,
NBTB shall assume such stock plans; provided, that such assumption shall only be
in respect of the  Replacement  Options  and that NBTB shall have no  obligation
with respect to any awards under such plans other than the  Replacement  Options
and shall have no obligation to make any additional  grants or awards under such
assumed plans.

     1.10. Stock Option Agreement.  Simultaneously herewith, NBTB and LABN shall
execute and deliver the Stock Option  Agreement in the form  attached  hereto as
Exhibit I. The option that is the  subject of the Stock  Option  Agreement  will
terminate as of, and will not be exercisable following, the Effective Time.

     1.11.  Executive Officers and Directors of LABN.

         (a) At the Effective Time, in consideration for and against delivery of
a full and  unconditional  release granted in favor of NBTB,  LABN, and LA Bank,
National  Association ("LA Bank") by John G. Martines  ("Martines") from any and
all claims,  actions,  or liabilities  which Martines may have, may have had, or
could have  against  NBTB,  LABN,  or LA Bank  (except  entitlements  granted to
Martines by this Agreement,  the employment  agreement  described in section 4.8
hereof  (the  "Martines  Employment  Agreement"),   the  LA  Bank,  N.A.  Salary
Continuation  Agreement  dated March 11, 1997 between LA Bank and Martines,  the
Supplementary Retirement Benefit Agreement dated January 6, 1995 between LA Bank
and Martines, and the Salary Continuation Agreement dated May 5, 1989 between LA
Bank and  Martines),  and subject in every case to section  18(k) of the Federal
Deposit Insurance Act (12 U.S.C. Section 1828(k)),  NBTB will tender to Martines
the Martines Employment Agreement and the change-in-control  agreement described
in section 5.5 hereof.

         (b) At the Effective Time, in consideration for and against delivery of
a full and  unconditional  release granted in favor of NBTB,  LABN, and LA Bank,
National  Association ("LA Bank") by Louis M. Martarano  ("Martarano")  from any
and all claims,  actions, or liabilities which Martarano may have, may have had,
or could have against  NBTB,  LABN, or LA Bank (except  entitlements  granted to
Martarano by this Agreement or the LA Bank, N.A. Salary  Continuation  Agreement
dated March 11, 1997 between LA Bank and  Martarano),  and subject in every case
to  section  18(k) of the  Federal  Deposit  Insurance  Act (12  U.S.C.  Section
1828(k)),  NBTB  will  tender  to  Martarano  the  change-in-control   agreement
described in section 5.5 hereof.

         (c) At the Effective Time, in consideration for and against delivery of
a full and

                                       6

<PAGE>

unconditional  release  granted in favor of NBTB,  LABN,  and LA Bank,  National
Association ("LA Bank") by Joseph J. Earyes  ("Earyes") from any and all claims,
actions,  or  liabilities  which  Earyes may have,  may have had,  or could have
against NBTB,  LABN, or LA Bank (except  entitlements  granted to Earyes by this
Agreement or the LA Bank,  N.A.  Salary  Continuation  Agreement dated March 11,
1997 between LA Bank and Earyes),  and subject in every case to section 18(k) of
the Federal Deposit Insurance Act (12 U.S.C. Section 1828(k)),  NBTB will tender
to Earyes the change-in-control agreement described in section 5.5 hereof.

         (d)  Subject  to the  fiduciary  duties of its  directors  to NBTB,  as
promptly as practicable  after the Effective Time NBTB will use its best efforts
to cause William C. Gumble ("Gumble"),  Bruce D. Howe ("Howe"),  and Martines to
be elected or appointed as directors of NBTB, with Gumble to serve as a director
of the class whose term expires in 2001,  Martines to serve as a director of the
class whose term  expires in 2000,  and Howe to serve as a director of the class
whose term expires in 2002.

         (e) At its next annual  meeting of  stockholders,  NBTB will propose to
its stockholders that Martines be reelected to the board of directors of NBTB as
a member of the class whose term shall expire in 2003.

     1.12.  Employee Benefits.

         (a) If any employee of LABN or of LA Bank becomes a participant  in any
employment  benefit  plan,  practice,  or policy  of NBTB or NBT Bank,  National
Association  ("NBT Bank"),  such employee shall be given credit under such plan,
practice,  or policy for all service prior to the Effective Time with LABN or LA
Bank for  purposes of  eligibility  and  vesting,  but not for  benefit  accrual
purposes,  for which such service is taken into account or  recognized,  and, if
necessary,  NBTB shall cause any and all pre-existing  condition limitations and
eligibility  waiting  periods under group health plans to be waived with respect
to such  participants and their eligible  dependents  (except to the extent such
pre-existing condition limitations are no more onerous than similar limitations,
or such waiting  periods do not extend any waiting  period,  applicable  to such
employee  under  the  plans  of LABN or LA  Bank),  provided  that  there  be no
duplication of such benefits as are provided  under any employee  benefit plans,
practices,  or policies of LABN or LA Bank that continue in effect following the
Effective Time.

         (b) Each employee of LABN or LA Bank (except Martines,  Martarano,  and
Earyes)  who  becomes an  employee  of NBTB or any of its  subsidiaries  or who,
following the Effective  Time,  remains an employee of LA Bank and is terminated
by  NBTB  or any of its  subsidiaries  (including  LA  Bank)  subsequent  to the
Effective  Time shall be entitled to severance  pay, if any, in accordance  with
the general  severance  policy of NBTB. Such employee's  service with LABN or LA
Bank shall be  treated as service  with NBTB for  purposes  of  determining  the
amount of severance pay, if any, under the severance policy of NBTB.

                                       7

<PAGE>


2.   EFFECTIVE TIME.

     The Effective Time shall be the date and time specified in the  certificate
of  merger to be filed  with the  Secretary  of State of the  State of  Delaware
pursuant to section 252 of the GCL to effectuate  the Merger,  the date of which
shall be the latest of:

     2.1. LABN Shareholder Approval. The day upon which the shareholders of LABN
approve,  ratify,  and confirm the Merger by the affirmative vote of the holders
of at least 66 2/3 percent of the outstanding shares of LABN Common Stock;

     2.2. NBTB Shareholder Approval. The day upon which the shareholders of NBTB
approve this Agreement;

     2.3.  Federal Reserve  Approval.  The first to occur of (a) the date thirty
days  following  the date of the order of the Board of  Governors of the Federal
Reserve  System or the  Federal  Reserve  Bank of New York  acting  pursuant  to
authority  delegated  to it by the Board of  Governors  of the  Federal  Reserve
System (collectively, the "Board of Governors") approving the Merger, or (b) if,
pursuant to section 321(a) of the Riegle  Community  Development  and Regulatory
Improvement  Act of 1994 (the "Riegle Act"),  the Board of Governors  shall have
prescribed a shorter period of time with the concurrence of the Attorney General
of the  United  States,  the date on which  such  shorter  period of time  shall
elapse; or

     2.4.  Pennsylvania  Department  of  Banking  Approval.  The  date  ten days
following the date of the order of the Department of Banking of the Commonwealth
of Pennsylvania (the  "Department")  approving the transactions  contemplated by
this Agreement;

     2.5.  Other  Regulatory  Approvals.  The date upon which any other material
order,  approval,  or  consent  of a federal  or state  regulator  of  financial
institutions or financial institution holding companies authorizing consummation
of the  transactions  contemplated  by this Agreement is obtained or any waiting
period mandated by such order, approval, or consent has run;

     2.6.  Expiration of Stays.  Ten days after any stay of the approvals of any
of the Board of Governors or the Department of the transactions  contemplated by
this Agreement or any injunction against closing of said transactions is lifted,
discharged, or dismissed; or

     2.7.  Mutual  Agreement.  Such other date as shall be mutually agreed to by
NBTB and LABN.


3.   CONDITIONS PRECEDENT TO PERFORMANCE OF OBLIGATIONS OF THE PARTIES.

     The  obligations of NBTB and LABN to consummate the Merger shall be subject
to the conditions that on or before the Effective Time:

     3.1.  Regulatory  Approvals.  Orders,  consents,  and approvals required to
consummate  the Merger

                                       8

<PAGE>

shall  have been  entered by the  requisite  governmental  authorities,  and all
statutory waiting periods in respect thereof shall have expired.

     3.2.  Registration Statement.

         (a) Effectiveness.  The registration statement to be filed by NBTB with
the Securities and Exchange  Commission  (the "SEC")  pursuant to the Securities
Act in connection with the registration of the shares of NBTB Common Stock to be
used  as  consideration  in  connection  with  the  Merger  (the   "Registration
Statement") shall have become effective under the Securities Act, and NBTB shall
have received all required state securities laws or "blue sky" permits and other
required  authorizations or confirmations of the availability of exemptions from
registration requirements necessary to issue NBTB Common Stock in the Merger.

         (b) Absence of Stop-Order.  Neither the Registration  Statement nor any
such  required  permit,  authorization,  or  confirmation  shall be subject to a
stop-order  or  threatened  stop-order  by  the  SEC  or  any  state  securities
authority.

     3.3.  Approval by Shareholders of LABN. The shareholders of LABN shall have
authorized,  ratified,  and confirmed the Merger by the affirmative  vote of the
holders of at least 66 2/3  percent  of the  outstanding  shares of LABN  Common
Stock.

     3.4.  Approval by Shareholders of NBTB. The shareholders of NBTB shall have
approved this Agreement by the affirmative  vote of the holders of a majority of
the outstanding shares of NBTB Common Stock.

     3.5. Federal Income  Taxation.  NBTB and LABN shall have received a written
opinion of Saul, Ewing, Remick & Saul LLP, or of another firm mutually agreeable
to NBTB and LABN,  applying  existing  law,  that the Merger shall  qualify as a
reorganization  under  section  368(a)(1)  of the Code and the  regulations  and
rulings promulgated  thereunder.  In rendering such opinion,  the firm rendering
the opinion may require and rely upon representations  contained in certificates
of officers of NBTB, LABN, and others.

     3.6.  Adverse  Legislation.  Subsequent to the date of this  Agreement,  no
legislation  shall have been  enacted and no  regulation  or other  governmental
requirement  shall  have been  adopted or imposed  that  renders or will  render
consummation of the Merger impossible or illegal.

     3.7. Absence of Litigation.  No action, suit, or proceeding shall have been
instituted or shall have been threatened before any court or other  governmental
body or by any public authority to restrain,  enjoin, or prohibit the Merger, or
which would  reasonably be expected to restrict  materially the operation of the
business of LABN or that of LA Bank or the  exercise of any rights with  respect
thereto or to subject either of the parties hereto or any of their subsidiaries,
directors,  or officers to any  liability,  fine,  forfeiture,  divestiture,  or
penalty on the ground that the  transactions  contemplated  hereby,  the parties
hereto,  or their  subsidiaries,  directors,  or officers  have breached or will
breach any applicable law or regulation or have  otherwise  acted  improperly in
connection with the transactions contemplated

                                       9

<PAGE>

hereby and with respect to which the parties hereto have been advised by counsel
that, in the opinion of such counsel,  such action,  suit, or proceeding  raises
substantial  questions  of  law  or  fact  which  could  reasonably  be  decided
materially adversely to either party hereto or its subsidiaries,  directors,  or
officers.


4. CONDITIONS PRECEDENT TO PERFORMANCE OF THE OBLIGATIONS OF NBTB.

     The  obligations of NBTB hereunder are subject to the  satisfaction,  on or
prior to the Effective  Time, of all the following  conditions,  compliance with
which or the  occurrence  of which  may be waived in whole or in part by NBTB in
writing unless not so permitted by law:

     4.1.  Representations  and  Warranties;  Performance  of  Obligations.  All
representations and warranties of LABN contained in this Agreement shall be true
and  correct in all  material  respects as of the  Effective  Time with the same
effect as if such  representations  and warranties had been made or given at and
as of such date, except that representations and warranties of LABN contained in
this Agreement  which  specifically  relate to an earlier date shall be true and
correct in all material  respects as of such earlier  date.  All  covenants  and
obligations  to be  performed or met by LABN on or prior to the  Effective  Time
shall have been so  performed  or met. On the date of the  Effective  Time,  the
president and chief executive  officer and the chief  financial  officer of LABN
shall  deliver  to NBTB a  certificate  to that  effect.  The  delivery  of such
certificates   shall  in  no  way  diminish  the  warranties,   representations,
covenants, and obligations of LABN made in this Agreement.

     4.2. Opinion of LABN Counsel.  NBTB shall have received a favorable opinion
from  Saul,  Ewing,  Remick & Saul LLP,  dated the date of the  Effective  Time,
substantially  in form and  substance  as that set forth as Exhibit II  attached
hereto.

     4.3.  Opinion  of LABN  Litigation  Counsel.  NBTB  shall  have  received a
favorable opinion from legal counsel handling litigation matters for LABN and LA
Bank, dated the date of the Effective Time,  substantially in form and substance
as that set forth as Exhibit III attached hereto.

     4.4.  No Adverse Developments.

          (a) During the period from June 30, 1999 to the  Effective  Time,  (i)
there  shall not have been any  material  adverse  effect as  defined in section
12.7(d) (a "Material Adverse Effect") with respect to LABN; and (ii) none of the
events  described in clauses (a) through (f) of section  6.16 of this  Agreement
shall have  occurred,  and each of the  practices  and  conditions  described in
clauses (x) through (z) of that section shall have been maintained.

          (b) As of the Effective  Time,  the capital  structure of LABN and the
capital structure of LA Bank shall be as stated in section 6.9.

          (c) As of the Effective Time, other than  liabilities  incurred in the
ordinary  course of  business  subsequent  to June 30,  1999,  there shall be no
liabilities  of LABN or LA Bank  which are

                                       10

<PAGE>


material  to LABN on a  consolidated  basis  which  were  not  reflected  on the
consolidated  statement  of  condition  of LABN as of  June  30,  1999 or in the
related notes to the consolidated  statement of condition of LABN as of June 30,
1999.

         (d) No adverse action shall have been instituted or threatened  against
LABN or any of its subsidiaries by any governmental  authority, or referred by a
governmental authority to another governmental authority, for the enforcement or
assessment of penalties for the violation of any laws or regulations relating to
equal credit opportunity, fair housing, or fair lending.

         (e) NBTB  shall  have  received  a  certificate  dated  the date of the
Effective Time, signed by the president and the chief financial officer of LABN,
certifying to the matters set forth in paragraphs (a), (b), (c), and (d) of this
section 4.4. The delivery of such officers' certificate shall in no way diminish
the warranties and representations of LABN made in this Agreement.

     4.5.  Consolidated  Net  Worth.  On  and  as of  the  Effective  Time,  the
consolidated  net  worth of LABN as  determined  in  accordance  with  generally
accepted  accounting   principles  shall  not  be  less  than  the  sum  of  (a)
$35,079,000,  (b) the proceeds to LABN of the sale of treasury  stock since June
30,  1999,  and (c) the  proceeds to LABN of the  exercise  of stock  options to
purchase shares of LABN Common Stock since June 30, 1999.

     4.6. Loan Loss  Reserve.  On and as of the  Effective  Time,  the aggregate
reserve for loan losses of LA Bank as determined in  accordance  with  generally
accepted accounting principles shall not be less than $2,350,000.

     4.7.  CRA  Rating.  The  CRA  rating  of LA Bank  shall  be no  lower  than
"satisfactory."

     4.8. Employment  Agreement.  Martines shall have entered into an employment
agreement  with NBTB  substantially  in form and  substance as that set forth as
Exhibit IV attached hereto.

     4.9.  Releases.  The releases  described in sections 1.11(a),  (b), and (c)
shall have been delivered to NBTB.

     4.10. Accounting Treatment.  NBTB shall have received letters (the "Pooling
Letters") from KPMG LLP ("KPMG"),  the independent  auditing firm of NBTB, dated
the date of or shortly prior to each of the mailing date of the proxy  materials
to the  shareholders  of LABN, and the date of the Effective  Time,  stating the
opinion of KPMG that the Merger shall qualify for pooling-of-interest accounting
treatment.

     4.11. Affiliates' Agreements.  NBTB shall have received a written agreement
substantially  in form and  substance  as that set forth as  Exhibit V  attached
hereto (an "Affiliates Agreement"):

         (a) on or before the date of this  Agreement,  from each person who, on
the date of this  Agreement,  is an "affiliate" of LABN (as that term is used in
section 7.6 of this Agreement), and

                                       11

<PAGE>

         (b) not  later  than  ten  days  after  any  other  person  becomes  an
"affiliate"  of LABN (as that term is used in  section  7.6 of this  Agreement),
from such person.


5.   CONDITIONS PRECEDENT TO PERFORMANCE OF OBLIGATIONS OF LABN.

     The  obligations of LABN hereunder are subject to the  satisfaction,  on or
prior to the Effective  Time, of all the following  conditions,  compliance with
which or the  occurrence  of which  may be waived in whole or in part by LABN in
writing unless not so permitted by law:

     5.1.  Representations  and  Warranties;  Performance  of  Obligations.  All
representations and warranties of NBTB contained in this Agreement shall be true
and  correct in all  material  respects as of the  Effective  Time with the same
effect as if such  representations  and warranties had been made or given at and
as of such date, except that representations and warranties of NBTB contained in
this Agreement  which  specifically  relate to an earlier date shall be true and
correct in all material  respects as of such earlier  date.  All  covenants  and
obligations  to be  performed or met by NBTB on or prior to the  Effective  Time
shall have been so performed or met. On the date of the Effective  Time,  either
the  president or an executive  vice  president of NBTB shall  deliver to LABN a
certificate to that effect. The delivery of such officer's  certificate shall in
no way diminish the warranties,  representations,  covenants, and obligations of
NBTB made in this Agreement.

     5.2. Opinion of NBTB Counsel.  LABN shall have received a favorable opinion
of  Duane,  Morris  &  Heckscher  LLP,  dated  the date of the  Effective  Time,
substantially  in form and  substance  as that set forth as Exhibit VI  attached
hereto.

     5.3. No Adverse  Developments.  During the period from June 30, 1999 to the
Effective  Time,  there  shall not have been any  Material  Adverse  Effect with
respect to NBTB,  and LABN shall have received a  certificate  dated the date of
the Effective Time signed by either the President or an Executive Vice President
of NBTB to the  foregoing  effect.  The delivery of such  officer's  certificate
shall in no way diminish the warranties and representations of NBTB made in this
Agreement.

     5.4.  Status of NBTB Common  Stock.  The shares of NBTB Common  Stock to be
issued to the  shareholders  of LABN upon  consummation of the Merger shall have
been authorized for inclusion on the Nasdaq National Market (or another national
securities exchange) subject to official notice of issuance.

     5.5.  Change-in-Control  Agreements.  NBTB shall have  tendered  to each of
Martines,  Martarano, and Earyes a change-in-control  agreement substantially in
form and substance as that set forth as Exhibit VII attached hereto.


6.   REPRESENTATIONS AND WARRANTIES OF LABN.

     LABN represents and warrants to NBTB as follows:

                                       12

<PAGE>


     6.1. Organization, Powers, and Qualification. Each of LABN and LA Bank is a
corporation  which is duly  organized,  validly  existing,  and in good standing
under  the  laws of its  jurisdiction  of  incorporation  and has all  requisite
corporate  power and authority to own and operate its properties and assets,  to
lease  properties  used in its  business,  and to carry on its  business  as now
conducted.  Each of LABN and LA Bank owns or possesses  in the  operation of its
business all  franchises,  licenses,  permits,  branch  certificates,  consents,
approvals,  waivers, and other authorizations,  governmental or otherwise, which
are necessary for it to conduct its business as now conducted,  except for those
where the  failure of such  ownership  or  possession  would not have a Material
Adverse  Effect on LABN or LA Bank.  Each of LABN and LA Bank is duly  qualified
and licensed to do business and is in good standing in every  jurisdiction  with
respect to which the failure to be so  qualified  or licensed  could result in a
Material Adverse Effect on LABN or LA Bank.

     6.2.  Execution  and  Performance  of  Agreement.  LABN  has all  requisite
corporate  power and  authority  to execute and deliver  this  Agreement  and to
perform its respective terms.

     6.3.  Absence of Violations.

         (a)  Neither  LABN nor LA Bank is (i) in  violation  of its  respective
charter documents or bylaws, (ii) in violation of any applicable federal, state,
or local law or  ordinance or any order,  rule,  or  regulation  of any federal,
state,  local, or other governmental agency or body, or (iii) in violation of or
in default with respect to any order, writ, injunction,  or decree of any court,
or any order, license, regulation, or demand of any governmental agency, except,
in the case of (ii) or  (iii),  for such  violations  or  defaults  which in the
aggregate could not reasonably be expected to have a Material  Adverse Effect on
LABN or LA Bank;  and neither  LABN nor LA Bank has received any claim or notice
of violation with respect thereto;

         (b) neither LABN nor LA Bank nor any member of the management of either
of  them  is  a  party  to  any  assistance  agreement,  supervisory  agreement,
memorandum of understanding,  consent order, cease and desist order or condition
of any regulatory order or decree with or by the Board of Governors, the Federal
Reserve Bank of  Philadelphia,  the Federal Deposit  Insurance  Corporation (the
"FDIC"),  the SEC, the Department,  any other banking or securities authority of
the United States or the Commonwealth of  Pennsylvania,  or any other regulatory
agency that  relates to the conduct of the business of LABN or LA Bank or any of
their subsidiaries or their assets;  and except as previously  disclosed to NBTB
in  writing,  no such  agreement,  memorandum,  order,  condition,  or decree is
pending or threatened;

         (c)  LA  Bank  has  established  policies  and  procedures  to  provide
reasonable  assurance of  compliance in a safe and sound manner with the federal
banking,  credit,  housing,  consumer protection,  and civil rights laws and the
regulations  adopted under each of those laws, so that  transactions be executed
and assets be maintained in accordance with such laws and  regulations;  and the
policies and practices of LA Bank with respect to all such laws and  regulations
reasonably  limit  noncompliance  and  detect and  report  noncompliance  to its
management; and

         (d) LA Bank has  established a CRA policy which  provides for goals and
objectives

                                       13

<PAGE>

consistent  with CRA and for  procedures  whereby  all  significant  CRA-related
activity is documented;  and LA Bank has officially designated a CRA officer who
reports  directly  to the  board of  directors  and is  responsible  for the CRA
program of LA Bank.

     6.4.  Compliance with Agreements.  Neither LABN nor LA Bank is in violation
of any  term  of any  security  agreement,  mortgage,  indenture,  or any  other
contract,  agreement,   instrument,  lease,  or  certificate,  except  for  such
violations  which in the  aggregate  could not  reasonably be expected to have a
Material Adverse Effect on LABN or LA Bank.

     6.5. Binding Obligations. Subject to the approval of its shareholders, this
Agreement constitutes valid, legal, and binding obligations of LABN, enforceable
against it in accordance with its terms, except as enforcement may be limited by
applicable  bankruptcy,  insolvency,  moratorium  or similar  law, or by general
principles of equity. The execution, delivery, and performance of this Agreement
and the transactions  contemplated thereby have been duly and validly authorized
by the board of directors of LABN.

     6.6.  Absence of Default; Due Authorization.

         (a)  None of the  execution  or the  delivery  of this  Agreement,  the
consummation of the transactions contemplated thereby, or the compliance with or
fulfillment  of the terms thereof will  conflict  with, or result in a breach of
any of the terms,  conditions,  or provisions  of, or constitute a default under
the  organizational  documents or bylaws of LABN or LA Bank or any subsidiary of
either of them.  Such  execution,  consummation,  and  fulfillment  will not (i)
conflict with, or result in a breach of the terms, conditions, or provisions of,
or constitute a violation,  conflict,  or default under, or, except as set forth
on Schedule 6.6 hereof, give rise to any right of termination,  cancellation, or
acceleration with respect to, or result in the creation of any lien,  charge, or
encumbrance upon, any property or assets of LABN or LA Bank or any subsidiary of
either of them pursuant to any  agreement or  instrument  under which LABN or LA
Bank or any such  subsidiary  is obligated or by which any of its  properties or
assets may be bound, including without limitation any lease, contract, mortgage,
promissory note, deed of trust, loan, credit arrangement, or other commitment or
arrangement of LABN or LA Bank or any subsidiary of either of them in respect of
which  it is an  obligor,  except  for  such  conflicts,  breaches,  violations,
defaults, rights of termination, cancellation, or acceleration, or results which
in the aggregate  could not  reasonably  be expected to have a Material  Adverse
Effect  on LABN or LA Bank;  (ii) if the  Merger  is  approved  by the  Board of
Governors  under the Bank  Holding  Company  Act of 1956,  as amended  (the "BHC
Act"), violate any law, statute, rule, or regulation of any government or agency
to which  LABN or LA Bank or any  subsidiary  of either of them is  subject  and
which is material to its operations; or (iii) violate any judgment, order, writ,
injunction,  decree,  or ruling to which  LABN or LA Bank or any  subsidiary  of
either of them or any of the  properties  or assets of any of them is subject or
bound. None of the execution or delivery of this Agreement,  the consummation of
the transactions  contemplated  hereby, or the compliance with or fulfillment of
the terms hereof will require any authorization, consent, approval, or exemption
by any person which has not been obtained, or any notice or filing which has not
been given or done, other than approval of the transactions contemplated by this
Agreement  by,  notices  to,  or  filings  with by the Board of  Governors,  the
Securities and Exchange  Commission (the "SEC"),  state securities  commissions,
the  Department,

                                       14

<PAGE>

the  Secretary of State of the State of Delaware,  and the Secretary of State of
the Commonwealth of Pennsylvania.

         (b) Except for approval of this  Agreement by the  affirmative  vote of
the holders of at least 66 2/3 percent of the outstanding  shares of LABN Common
Stock,  no other  corporate  proceedings  on the part of LABN are  necessary  to
approve or authorize this Agreement, the Merger, the Stock Option Agreement, the
issuance of the stock options  contemplated by the Stock Option  Agreement,  the
subsequent   exercise  of  the  stock  options  thereby  issued,  or  the  other
transactions  contemplated  by this Agreement and the Stock Option  Agreement or
the carrying out of the transactions contemplated hereby or thereby.

         (c) The Board of  Directors of LABN has taken all  necessary  action so
that the  provisions  of sections  2561 et seq.  of the BCL (and any  applicable
provisions  of the  takeover  laws  of  any  other  state)  and  any  comparable
provisions of LABN's articles of incorporation do not and will not apply to this
Agreement,   the  Merger,  the  Stock  Option  Agreement,  or  the  transactions
contemplated hereby.

         (d) LABN has not adopted any shareholder  rights plan, "poison pill" or
similar plan, or any other plan which could result in the grant of any rights to
any  person,  or which  could  enable or  require  any  rights to be  exercised,
distributed  or  triggered,  in  the  event  of  the  execution,   delivery,  or
announcement of this Agreement or the Stock Option Agreement, or in the event of
the consummation of the Merger or any of the  transactions  contemplated by this
Agreement or the Stock Option Agreement.

     6.7.  Compliance with BHC Act; Certain Banking Regulatory Matters.

         (a) LABN is duly  registered  as a bank holding  company  under the BHC
Act. All of the activities and  investments of LABN conform to the  requirements
applicable  generally  to  bank  holding  companies  under  the  BHC Act and the
regulations of the Board of Governors adopted thereunder.

         (b) No corporation  or other entity,  other than LABN, is registered or
is required to be  registered  as a bank  holding  company  under the BHC Act by
virtue  of its  control  over LA  Bank or over  any  company  that  directly  or
indirectly has control over LA Bank.

         (c)  Each of the  activities  engaged  in by LABN  and its  direct  and
indirect  subsidiaries  has  been  determined  by  regulation  of the  Board  of
Governors to be so closely  related to banking or managing or controlling  banks
as to be a proper incident thereto.

         (d) The capital  ratios of each of LABN and LA Bank  comply  fully with
all terms of all currently outstanding  supervisory and regulatory  requirements
and with the conditions of all regulatory orders and decrees.

     6.8.  Subsidiaries.

         (a) Other than LA Bank, which is a direct,  wholly-owned  subsidiary of
LABN, LA Lease, Inc.

                                       15

<PAGE>


("LALI") and Ariel Financial Services, Inc. ("AFSI"), each of which is a direct,
wholly-owned  subsidiary  of LA Bank,  and Premier  Realty  Settlement  Services
("Premier"),  a Pennsylvania  limited  partnership  currently in organization in
which  AFSI will  purchase  a  noncontrolling,  50-percent  limited  partnership
interest in exchange for an initial capital  contribution  of $5,000,  LABN does
not have any direct or indirect subsidiaries and does not directly or indirectly
own, control,  or hold with the power to vote any shares of the capital stock of
any  company  (except  shares  held by LA Bank for the  account  of  others in a
fiduciary  or  custodial  capacity in the  ordinary  course of its  business and
shares of the Federal  Reserve  Bank of  Philadelphia  and the Federal Home Loan
Bank of Pittsburgh). There are no outstanding subscriptions,  options, warrants,
convertible  securities,  calls,  commitments,  or  agreements  calling  for  or
requiring the issuance,  transfer,  sale, or other  disposition of any shares of
the capital  stock of LA Bank,  LALI,  or AFSI,  or calling for or requiring the
issuance of any securities or rights convertible into or exchangeable for shares
of  capital  stock of LA Bank,  LALI,  or AFSI.  There  are no other  direct  or
indirect subsidiaries of LABN which are required to be consolidated or accounted
for on the equity method in the consolidated financial statements of LABN or the
financial  statements of LA Bank prepared in accordance with generally  accepted
accounting principles.

         (b) Except as specified in the previous subsection, neither LABN nor LA
Bank has a direct or indirect  equity or ownership  interest which  represents 5
percent or more of the  aggregate  equity or  ownership  interest  of any entity
(including, without limitation, corporations, partnerships, and joint ventures).

         (c)  Each of LALI and AFSI is a  corporation  which is duly  organized,
validly  existing,  and in good standing under the laws of its  jurisdiction  of
incorporation  and has all  requisite  corporate  power and authority to own and
operate its properties and assets, to lease properties used in its business, and
to  carry  on its  business  as now  conducted.  AFSI  is duly  registered  as a
broker-dealer  under each federal or state securities or "blue sky" law, if any,
under  which  registration  is  necessary  for it to conduct its  businesses  as
presently  conducted.  AFSI is duly  registered  or  licensed  under  each state
insurance  law under which  registration  or licensure  is  necessary  for it to
conduct its  businesses  as presently  conducted.  Each of LALI and AFSI owns or
possesses  in the  operation of its  business  all other  franchises,  licenses,
permits,   branch  certificates,   consents,   approvals,   waivers,  and  other
authorizations, governmental or otherwise, which are necessary for it to conduct
its  business  as now  conducted,  except  for those  where the  failure of such
ownership  or  possession  would not have a Material  Adverse  Effect on LALI or
AFSI. Each of LALI and AFSI is duly qualified and licensed to do business and is
in good standing in every  jurisdiction  with respect to which the failure to be
so qualified or licensed  could result in a Material  Adverse  Effect on LALI or
AFSI. Each of LALI and AFSI is not (i) in violation of its charter  documents or
bylaws,  (ii) in violation of any  applicable  federal,  state,  or local law or
ordinance or any order,  rule, or regulation of any federal,  state,  local,  or
other  governmental  agency or body, or (iii) in violation of or in default with
respect to any order,  writ,  injunction,  or decree of any court, or any order,
license,  regulation,  or demand of any governmental agency, except, in the case
of (ii) or (iii),  for such  violations or defaults which in the aggregate could
not reasonably be expected to have a Material Adverse Effect on LABN or LA Bank;
and none of LABN,  LA Bank,  LALI,  and AFSI has received any claim or notice of
violation with respect thereto.

         (d)  When  it  commences  business,  Premier  (i)  will  be  a  limited
partnership  duly organized,

                                       16

<PAGE>

validly  existing,  and in good standing under the laws of the  Commonwealth  of
Pennsylvania  and will have all requisite power and authority to own and operate
its  properties and assets,  to lease  properties  used in its business,  and to
carry on its  business  as to be  conducted,  (ii)  will be duly  registered  or
licensed under each state  insurance law, if any,  under which  registration  or
licensure will be necessary for it to conduct its businesses as to be conducted,
(iii) will own or possess in the operation of its business all other franchises,
licenses, permits, branch certificates,  consents, approvals, waivers, and other
authorizations,  governmental  or  otherwise,  which will be necessary for it to
conduct its business as to be  conducted,  except for those where the failure of
such  ownership  or  possession  would  not have a  Material  Adverse  Effect on
Premier,  (iv) will be duly qualified and licensed to do business and be in good
standing  in every  jurisdiction  with  respect  to which the  failure  to be so
qualified or licensed could result in a Material Adverse Effect on Premier,  (v)
will not be in violation  of its  organizational  documents or bylaws,  and (vi)
will not be in  violation  of any  applicable  federal,  state,  or local law or
ordinance or any order,  rule, or regulation of any federal,  state,  local,  or
other governmental agency or body.

     6.9.  Capital Structure.

         (a) The  authorized  capital  stock of LABN  consists of (i)  1,000,000
shares of preferred stock,  par value $1.25 per share ("LABN Preferred  Stock"),
of which, as of the date of this Agreement, no shares are issued or outstanding,
and (ii)  10,000,000  shares of LABN Common Stock,  of which,  as of the date of
this  Agreement,  4,850,753  shares  have  been  duly  issued  and  are  validly
outstanding,  fully paid, and  nonassessable,  and held by  approximately  1,400
shareholders of record.  The  aforementioned  shares of LABN Preferred Stock and
LABN Common Stock are the only voting securities of LABN authorized,  issued, or
outstanding  as of such date;  and except as set forth on  Schedule  6.9 hereof,
there  are  no  outstanding  subscriptions,   options,   warrants,   convertible
securities,  calls,  commitments,  or  agreements  calling for or requiring  the
issuance,  transfer,  sale,  or other  disposition  of any shares of the capital
stock of LABN,  or calling for or requiring  the issuance of any  securities  or
rights  convertible into or exchangeable for shares of capital stock of LABN. No
shares of LABN Preferred Stock or LABN Common Stock are held as treasury shares.
None of the LABN Common Stock is subject to any  restrictions  upon the transfer
thereof under the terms of the articles of incorporation or bylaws of LABN.

         (b) Schedule 6.9 hereof lists all options to purchase  LABN  securities
currently  outstanding and, for each such option, the date of issuance,  date of
exercisability, exercise price, type of security for which exercisable, and date
of  expiration.  Schedule 6.9 hereof  further lists all shares of LABN Preferred
Stock and LABN Common  Stock  reserved  for  issuance  pursuant to stock  option
plans,  agreements,  or  arrangements  but not yet issued and all  options  upon
shares  of LABN  Preferred  Stock  and  LABN  Common  Stock  designated  or made
available for grant but not yet granted.

         (c) The  authorized  capital  stock of LA Bank  consists of  10,000,000
shares of common stock, $0.21 par value (the "LA Bank Common Stock"),  of which,
as of the date of this Agreement, 4,850,753 shares have been duly issued and are
validly outstanding, fully paid, and nonassessable, and all of which are held of
record and beneficially by LABN directly,  free and clear of any adverse claims.
The aforementioned shares of LA Bank Common Stock are the only voting securities
of LA Bank

                                       17

<PAGE>

authorized,  issued,  or outstanding as of such date. None of the LA Bank Common
Stock is subject to any  restrictions  upon the transfer thereof under the terms
of the  corporate  charter  or  bylaws  of LA Bank or  under  the  terms  of any
agreement to which LA Bank is a party or under which it is bound.

         (d) None of the shares of LABN Common Stock or LA Bank Common Stock has
been issued in violation of the preemptive rights of any shareholder.

         (e) As of the date hereof,  to the best of the  knowledge of LABN,  and
except  for  this  Agreement,  there  are no  shareholder  agreements,  or other
agreements,  understandings,  or commitments relating to the right of any holder
or beneficial owner of more than 1 percent of the issued and outstanding  shares
of any  class  of the  capital  stock  of  either  LABN or LA Bank to vote or to
dispose of his, her or its shares of capital stock of that entity.

         (f) The authorized  capital stock of LALI consists of 100,000 shares of
common stock,  $5.00 par value (the "LALI Common  Stock"),  of which,  as of the
date of this  Agreement,  2,000  shares  have been duly  issued and are  validly
outstanding, fully paid, and nonassessable,  and all of which are held of record
and beneficially by LA Bank directly,  free and clear of any adverse claims. The
aforementioned  shares of LALI Common  Stock are the only voting  securities  of
LALI authorized, issued, or outstanding as of such date. None of the LALI Common
Stock is subject to any  restrictions  upon the transfer thereof under the terms
of the  corporate  charter or bylaws of LALI or under the terms of any agreement
to which LALI is a party or under which it is bound.

         (g) The  authorized  capital stock of AFSI consists of 10,000 shares of
common stock, no par value (the "AFSI Common  Stock"),  of which, as of the date
of this Agreement, 100 shares have been duly issued and are validly outstanding,
fully  paid,  and  nonassessable,  and  all of  which  are  held of  record  and
beneficially  by LA Bank  directly,  free and clear of any adverse  claims.  The
aforementioned  shares of AFSI Common  Stock are the only voting  securities  of
AFSI authorized, issued, or outstanding as of such date. None of the AFSI Common
Stock is subject to any  restrictions  upon the transfer thereof under the terms
of the  corporate  charter or bylaws of AFSI or under the terms of any agreement
to which AFSI is a party or under which it is bound.

     6.10.  Articles of Incorporation,  Bylaws,  and Minute Books. The copies of
the certificate or articles of incorporation  and all amendments  thereto and of
the bylaws, as amended, of LABN, LA Bank, LALI, and AFSI that have been provided
to NBTB are true, correct,  and complete copies thereof. The copy of the limited
partnership  agreement of Premier  that has been  provided to NBTB is a true and
correct copy  thereof.  The minute books of LABN, LA Bank,  LALI,  and AFSI that
have been made  available to NBTB contain  accurate  minutes of all meetings and
accurate  consents  in lieu of  meetings  of the  board  of  directors  (and any
committee  thereof) and of the  shareholders  of LABN, LA Bank,  LALI,  and AFSI
since their respective  inceptions.  These minute books  accurately  reflect all
transactions  referred to in such  minutes and  consents in lieu of meetings and
disclose  all  material  corporate  actions  of the  shareholders  and boards of
directors of LABN, LA Bank, LALI, and AFSI and all committees thereof. Except as
reflected in such minute books,  there are no minutes of meetings or consents in
lieu of  meetings of the board of  directors  (or any  committee  thereof) or of
shareholders of LABN, LA Bank, LALI, or AFSI.

                                       18

<PAGE>

     6.11.  Books and Records.  The books and records of each of LABN,  LA Bank,
LALI,  and AFSI  fairly  reflect the  transactions  to which it is a party or by
which its  properties  are subject or bound.  Such books and  records  have been
properly kept and maintained and are in compliance in all material respects with
all applicable  accounting and legal requirements.  Each of LABN, LA Bank, LALI,
and  AFSI  follows  generally  accepted  accounting   principles  applied  on  a
consistent  basis in the preparation and maintenance of its books of account and
financial statements.

     6.12. Regulatory Approvals and Filings, Contracts,  Commitments,  etc. LABN
has made available to NBTB:

         (a) All  regulatory  approvals  received since January 1, 1992, of LABN
and LA Bank relating to all bank and nonbank  acquisitions or the  establishment
of de novo operations;

         (b) All employment contracts, election contracts,  retention contracts,
deferred  compensation,  non-competition,  bonus, stock option,  profit-sharing,
pension,  retirement,   consultation  after  retirement,   incentive,  insurance
arrangements  or  plans  (including  medical,  disability,  group  life or other
insurance  plans),  and any other  remuneration  or fringe benefit  arrangements
applicable to employees,  officers, or directors of LABN or LA Bank, accompanied
by any agreements,  including trust agreements, embodying such contracts, plans,
or arrangements,  and all employee manuals and memoranda  relating to employment
and benefit  policies  and  practices of any nature  whatsoever  (whether or not
distributed to employees or any of them),  and any actuarial  reports and audits
relating to such plans;

         (c)  All  material  contracts,   agreements,   leases,  mortgages,  and
commitments  to which LABN or LA Bank is a party or may be bound;  or, if any of
the same be oral, true,  accurate,  and complete  written  summaries of all such
oral contracts, agreements, leases, mortgages, and commitments;

         (d) All contracts,  agreements,  leases,  mortgages,  and  commitments,
whether or not material, to which LABN or LA Bank is a party or may be bound and
which  require the consent or approval  of third  parties to the  execution  and
delivery of this Agreement or to the  consummation  or performance of any of the
transactions  contemplated  thereby  or,  if any  of the  same  be  oral,  true,
accurate, and complete written summaries of all such oral contracts, agreements,
leases, mortgages, and commitments;

         (e)  All  deeds,  leases,   contracts,   agreements,   mortgages,   and
commitments, whether or not material, to which LABN or LA Bank is a party or may
be bound and which relate to land,  buildings,  fixtures, or other real property
upon or within which LABN or LA Bank operates its businesses or is authorized to
operate  its  businesses,  or with  respect  to  which  LABN or LA Bank  has any
application pending for authorization to operate its businesses;

         (f) Any pending  application,  including  any  documents  or  materials
related  thereto,  which has been  filed by LABN or LA Bank with any  federal or
state regulatory agency with respect to the establishment of a new office or the
acquisition or establishment of any additional banking or nonbanking subsidiary;
and

                                       19

<PAGE>


         (g) All federal,  state,  and local tax returns,  including any amended
returns, filed by LABN or LA Bank for the years 1995 through 1997, a copy of the
calculation of the 1998 tax provision made by LABN for the year 1998 as recorded
on its books and records, and a copy of all substantive  correspondence or other
documents with respect to any examination that has not yet been resolved, a copy
of the most recent  examination  from each state or local tax agency if any, for
each of LABN and LA Bank, and a copy of all substantive  correspondence or other
documents with respect to any  examination  that has not yet been resolved,  and
all tax rulings, closing agreements, settlement agreements, or similar documents
with respect to LABN or LA Bank  received from or entered into with the Internal
Revenue Service (the "IRS") or any other taxing  authority since January 1, 1989
or that would have continuing effect after the Effective Time.

     6.13.  Financial  Statements.  LABN has furnished to NBTB its  consolidated
audited  statement of  condition  as of each of December 31, 1996,  December 31,
1997, and December 31, 1998, and its related audited  consolidated  statement of
income,  consolidated  statement of cash flows,  and  consolidated  statement of
changes in  stockholders'  equity for each of the periods  then  ended,  and the
notes thereto, and its consolidated  unaudited statement of condition as of June
30,  1999  and  its  related   unaudited   consolidated   statement  of  income,
consolidated  statement of cash flows, and consolidated  statement of changes in
stockholders'  equity for the period then ended, and the notes thereto,  each as
filed with the SEC (collectively,  the "LABN Financial Statements").  All of the
LABN Financial Statements,  including the related notes, (a) except as indicated
in the notes  thereto,  were  prepared in  accordance  with  generally  accepted
accounting principles consistently applied in all material respects (subject, in
the case of unaudited  statements,  to  recurring  audit  adjustments  normal in
nature and amount), (b) are in accordance with the books and records of LABN and
LA Bank, (c) fairly reflect the  consolidated  financial  position of LABN as of
such dates, and the  consolidated  results of operations of LABN for the periods
ended on such dates,  and do not fail to disclose any material  extraordinary or
out-of-period  items,  and (d) reflect,  in accordance  with generally  accepted
accounting  principles  consistently applied in all material respects,  adequate
provision for, or reserves  against,  the consolidated loan losses of LABN as of
such dates.

     6.14.  Call Reports; Bank Holding Company Reports.

         (a) LA Bank has made available to NBTB its FFIEC  Consolidated  Reports
of Condition  and Income ("Call  Reports") for the calendar  quarter dated March
31,  1996  and each  calendar  quarter  thereafter.  All of such  Call  Reports,
including  the  related   schedules  and  memorandum  items,  were  prepared  in
accordance with generally accepted accounting principles consistently applied in
all  material  respects  or, to the extent  different  from  generally  accepted
accounting   principles,   accounting  principles  mandated  by  the  applicable
instructions to such Call Reports.

         (b) No  adjustments  are  required  to be  made to the  equity  capital
account  of LA  Bank as  reported  on any of the  Call  Reports  referred  to in
Subsection  6.14(a)  hereof,  in any material  amount,  in order to conform such
equity  capital  account to equity  capital as would be determined in accordance
with generally accepted accounting principles as of such date.

         (c) LABN has  furnished  to NBTB its  annual  report  on Form FR Y-6 as
filed with the Board

                                       20

<PAGE>


of Governors as of December 31, 1998 and all amendments and periodic and current
reports  filed  with the  Board of  Governors  under the BHC Act  subsequent  to
December 31, 1998.

     6.15.  Absence of Undisclosed  Liabilities.  At June 30, 1999, neither LABN
nor LA Bank had any  obligation  or liability of any nature  (whether  absolute,
accrued,  contingent,  or otherwise, and whether due or to become due) which was
material,  or which when combined with all similar  obligations  or  liabilities
would have been material, to LABN, except (a) as disclosed in the LABN Financial
Statements,  or (b) as set forth on Schedule  6.15  hereof,  or (c) for unfunded
loan  commitments  made  by LABN or LA Bank  in the  ordinary  course  of  their
business  consistent  with  past  practice.   The  amounts  set  up  as  current
liabilities  for taxes in the LABN  Financial  Statements are sufficient for the
payment of all federal, state, local and foreign income,  payroll,  withholding,
excise,  sales,  use,  personal  property,  use  and  occupancy,   business  and
occupation,  mercantile,  real  estate,  gross  receipts,  license,  employment,
severance,  stamp,  premium,  windfall  profits,  social  security  (or  similar
unemployment),  disability, transfer, registration, value added, alternative, or
add-on minimum,  estimated,  or capital stock and franchise tax and other tax of
any kind  whatsoever,  including  any  interest,  penalty or  addition  thereto,
whether  disputed or not ("Tax" or "Taxes") accrued in accordance with generally
accepted accounting principles and unpaid at June 30, 1999. Since June 30, 1999,
neither LABN nor LA Bank has incurred or paid any  obligation or liability  that
would be material (on a consolidated  basis) to LABN, except (x) for obligations
incurred or paid in connection with transactions by it in the ordinary course of
its business  consistent  with past  practices,  or (y) as set forth on Schedule
6.15 hereof, or (z) as expressly contemplated herein.

     6.16. Absence of Certain  Developments.  Since June 30, 1999, except as set
forth on Schedule  6.16 hereof,  there has been (a) no Material  Adverse  Effect
with respect to LABN and LA Bank, (b) no material  deterioration  in the quality
of the  consolidated  loan  portfolio of LABN,  and no material  increase in the
consolidated  level of nonperforming  assets or non-accrual  loans at LABN or in
the level of its  consolidated  provision for credit losses or its  consolidated
reserve for credit losses; (c) no declaration, setting aside, or payment by LABN
or LA Bank of any regular dividend, special dividend, or other distribution with
respect to any class of capital stock of LABN or LA Bank,  other than  customary
cash dividends paid by LABN whose amounts have not exceeded $0.1025 per calendar
quarter and the intervals  between which  dividends  have not been more frequent
than past  practice,  and other than  customary  cash  dividends paid by LA Bank
whose amounts have not exceeded  past  practice and the intervals  between which
dividends have not been more frequent than past  practice;  (d) no repurchase by
LABN of any of its capital stock; (e) no material loss,  destruction,  or damage
to any material property of LABN or LA Bank, which loss, destruction,  or damage
is not covered by insurance;  and (f) no material  acquisition or disposition of
any asset,  nor any material  contract  outside the ordinary  course of business
entered into by LABN or LA Bank nor any substantial  amendment or termination of
any material  contract  outside the ordinary course of business to which LABN or
LA Bank is a party,  nor any other  transaction  by LABN or LA Bank involving an
amount in excess of $50,000 other than for fair value in the ordinary  course of
its business.  Since June 30, 1999, except as set forth on Schedule 6.16 hereof,
(x) each of LABN and LA Bank has  conducted  its  business  only in the ordinary
course of such  business  and  consistent  with past  practice;  (y) LABN,  on a
consolidated basis, has maintained the quality of its loan portfolio and that of
each of its major components at approximately  the same level as existed at June
30, 1999; and (z) LABN, on a consolidated basis, has administered

                                       21

<PAGE>


its  investment   portfolio  pursuant  to  essentially  the  same  policies  and
procedures as existed during 1997 and 1998 and the first six months of 1999, and
has  taken  no  action  to  lengthen  the  average  maturity  of the  investment
portfolio, or of any significant category thereof, to any material extent.

     6.17.  Reserve for Credit  Losses.  The most  recent of the LABN  Financial
Statements reflect a consolidated  reserve for credit losses that is adequate in
accordance with generally  accepted  accounting  principles to absorb reasonably
anticipated  losses in the  consolidated  loan and lease  portfolios of LABN, in
view of the size and character of such portfolios,  current economic conditions,
and other pertinent factors. Management reevaluates the adequacy of such reserve
quarterly based on portfolio performance, current economic conditions, and other
factors.

     6.18.  Tax Matters.

         (a) Except as set forth on Schedule  6.18  hereof,  all Tax returns and
reports required to be filed by or on behalf of LABN or LA Bank have been timely
filed with the appropriate  governmental  agencies in all jurisdictions in which
such  returns and reports are required to be filed,  or requests for  extensions
have been timely filed,  granted,  and have not expired for periods ending on or
before  December 31, 1998,  and all returns  filed are complete and accurate and
properly reflect its Taxes for the periods covered  thereby.  All Taxes shown or
required to be shown on filed returns have been paid, except for any not yet due
and payable. As of the date hereof,  there is no audit examination,  deficiency,
or refund  litigation  or tax  claim or any  notice of  assessment  or  proposed
assessment  by the IRS or any other  taxing  authority,  or any other  matter in
controversy  with  respect  to any Taxes that  might  result in a  determination
adverse to LABN or LA Bank,  except as  reserved  against in the LABN  Financial
Statements.  All Taxes due with respect to completed and settled examinations or
concluded litigation have been properly accrued or paid.

         (b) Except as set forth on Schedule  6.18  hereof,  neither LABN nor LA
Bank has executed an extension  or waiver of any statute of  limitations  on the
assessment or collection of any Tax due that is currently in effect.

         (c) To the  extent  any Taxes are due from,  but have not yet been paid
by,  LABN or LA Bank for the  period or  periods  beginning  January  1, 1999 or
thereafter  through and including the Effective Time,  adequate  provision on an
estimated basis has been made for the payment of such taxes by  establishment of
appropriate tax liability accounts on the monthly financial statements of LABN.

         (d)  Deferred  Taxes  of LABN and LA Bank  have  been  provided  for in
accordance  with generally  accepted  accounting  principles as in effect on the
date of this Agreement.

         (e) The deductions of LA Bank for bad debts taken and the reserve of LA
Bank for loan losses for federal income tax purposes at December 31, 1998,  were
not greater than the maximum  amount  permitted  under the provisions of section
585 of the Code.

         (f) Other  than liens  arising  under the laws of the  Commonwealth  of
Pennsylvania  with respect to Taxes assessed and not yet due and payable,  there
are no tax liens on any of the properties

                                       22

<PAGE>

or assets of LABN or LA Bank.

         (g) LABN and LA Bank (i) have timely filed all  information  returns or
reports required to be filed with respect to Taxes, including but not limited to
those required by sections 6041,  6041A,  6042, 6045, 6049,  6050H, and 6050J of
the Code,  (ii) have  properly and timely  provided to all  persons,  other than
taxing  authorities,  all  information  reports or other documents (for example,
Form 1099s,  Form W-2s,  and so forth)  required to be provided to such  persons
under  applicable  law,  and (iii) have  exercised  due  diligence  in obtaining
certified taxpayer identification numbers as required under applicable law.

         (h) The taxable  year end of LABN for federal  income tax  purposes is,
and since the inception of LABN has continuously been, December 31.

         (i)  LABN  and LA Bank  have in all  material  respects  satisfied  all
federal,  state, local, and foreign  withholding tax requirements  including but
not limited to income, social security, and employment tax withholding.

         (j) Neither  LABN nor LA Bank (i) is, or has been,  a member of a group
filing a consolidated,  combined,  or unitary tax return, other than a group the
common  parent of which is or was LABN,  or (ii) has any liability for the Taxes
of any person (other than LABN and LA Bank) under Treas.  Reg.  Section 1.1502-6
(or any similar  provision of state,  local, or foreign law), as a transferee or
successor, by contract, or otherwise.

     6.19.  Consolidated  Net Worth.  The  consolidated net worth of LABN on the
date of this  Agreement,  as determined in accordance  with  generally  accepted
accounting  principles,  is not less than the sum of (a) $35,079,000 and (b) the
proceeds  to LABN of the  exercise of stock  options to purchase  shares of LABN
Common Stock since June 30, 1999.

     6.20. Examinations.  To the extent consistent with law, LABN has heretofore
disclosed   to  NBTB   relevant   information   contained  in  the  most  recent
safety-and-soundness,  compliance, Community Reinvestment Act, and other Reports
of  Examination  with respect to LABN issued by the Board of  Governors  and the
most recent  safety-and-soundness,  compliance,  Community Reinvestment Act, and
other  Reports of  Examination  with respect to LA Bank issued by the OCC.  Such
information so disclosed  consists of all material  information  with respect to
the financial,  operational, and legal condition of the entity under examination
which is included in such reports.

     6.21. Reports. Since January 1, 1996, each of LABN, LA Bank, LALI, and AFSI
has effected all  registrations  and filed all reports and statements,  together
with any  amendments  required  to be made with  respect  thereto,  which it was
required to effect or file with (a) the Board of Governors, (b) the OCC, (c) the
FDIC, (d) the United States Department of the Treasury, (e) the Department,  (e)
the  Securities  and  Exchange  Commission,  and (f) any other  governmental  or
regulatory authority or agency having jurisdiction over its operations.  Each of
such registrations,  reports, and documents, including the financial statements,
exhibits,  and schedules  thereto,  does not contain any statement which, at the
time and in the light of the circumstances  under which it was made, is false or
misleading  with  respect

                                       23

<PAGE>

to any  material  fact or which omits to state any  material  fact  necessary in
order to make the statements contained therein not false or misleading.

     6.22. FIRA Compliance and Other Transactions with Affiliates. Except as set
forth  on  Schedule  6.22  hereof,  (a)  none  of the  officers,  directors,  or
beneficial  holders of 5 percent or more of the common  stock of LABN or LA Bank
and  no  person   "controlled"  (as  that  term  is  defined  in  the  Financial
Institutions  Regulatory  and  Interest  Rate Control Act of 1978) by LABN or LA
Bank (collectively,  "Insiders") has any ongoing material  transaction with LABN
or LA Bank on the  date of this  Agreement;  (b) no  Insider  has any  ownership
interest in any business, corporate or otherwise, which is a party to, or in any
property which is the subject of, business  arrangements or relationships of any
kind with LABN or LA Bank not in the ordinary  course of  business;  and (c) all
other  extensions  of credit by LABN or LA Bank to any Insider  have  heretofore
been disclosed in writing by LABN to NBTB.

     6.23.  SEC  Registered  Securities.  Other than the LABN Common  Stock,  no
equity or debt  securities  of LABN or LA Bank are  registered or required to be
registered  under the Securities Act or the Securities  Exchange Act of 1934, as
amended (the "Exchange Act").

     6.24.  Legal  Proceedings.  Except  as  disclosed  in  the  LABN  Financial
Statements or as set forth on Schedule 6.24 hereof,  there is no claim,  action,
suit, arbitration,  investigation,  or other proceeding pending against LABN, LA
Bank,  LALI,  or AFSI  before  any  court,  governmental  agency,  authority  or
commission, arbitrator, or "impartial mediator" or, to the best of the knowledge
of LABN and LA Bank,  threatened or contemplated  against or affecting it or its
property,  assets,  interests,  or rights, or any basis therefor of which notice
has been given,  which, if adversely  determined,  would have a Material Adverse
Effect on LABN or which otherwise could prevent,  hinder, or delay  consummation
of the transactions contemplated by this Agreement.

     6.25. Absence of Governmental Proceedings.  Except as set forth on Schedule
6.25 hereof, none of LABN, LA Bank, LALI, AFSI, nor Premier is a party defendant
or respondent to any pending legal,  equitable, or other proceeding commenced by
any  governmental  agency and, to the best of the knowledge of LABN and LA Bank,
no such proceeding is threatened.

     6.26. Federal Deposit Insurance.

         (a) The deposits held by LA Bank are insured within statutory limits by
the Bank  Insurance  Fund of the FDIC (the "BIF")  pursuant to the provisions of
the Federal Deposit  Insurance Act, as amended (12 U.S.C.  Section 1811 et seq.)
(the "FDI  Act"),  and LA Bank has paid all  assessments  and filed all  related
reports and statements required under the FDI Act.

         (b) LA Bank is a member of and pays  insurance  assessments to the BIF.
None of the deposits of LA Bank are insured by the Savings Association Insurance
Fund of the FDIC (the "SAIF"), and LA Bank pays no insurance  assessments to the
SAIF.

         (c) LA Bank has paid all regular  premiums and special  assessments and
filed all reports required of it under the FDI Act.

                                       24

<PAGE>


     6.27.  Other  Insurance.  Each of LABN and LA Bank carries  insurance  with
reputable  insurers,  including  blanket bond  coverage,  in such amounts as are
reasonable to cover such risks as are customary in relation to the character and
location of its properties and the nature of its  businesses.  All such policies
of insurance  are in full force and effect,  and no notice of  cancellation  has
been received.  All premiums to date have been paid in full. Neither LABN nor LA
Bank is in default with respect to any such policy which is material to it.

     6.28.  Labor Matters.

         (a) Neither  LABN nor LA Bank is a party to or bound by any  collective
bargaining  contracts  with respect to any  employees of LABN or LA Bank.  Since
their respective inceptions there has not been, nor to the best of the knowledge
of LABN and LA Bank was  there or is there  threatened,  any  strike,  slowdown,
picketing,  or work  stoppage by any union or other group of  employees  against
LABN or LA Bank or any of its  premises,  or any other  labor  trouble  or other
occurrence,  event, or condition of a similar character.  As of the date hereof,
neither  LABN nor LA Bank is aware of any  attempts  to  organize  a  collective
bargaining unit to represent any of its employee groups.

         (b) As of the date hereof,  each of LABN and LA Bank is, to the best of
its knowledge, in compliance in all material respects with all federal and state
laws,  regulations,  and orders respecting  employment and employment  practices
(including  Title VII of the Civil Rights Act of 1964),  terms and conditions of
employment,  and wages and hours; and neither LABN nor LA Bank is engaged in any
unfair labor  practice.  As of the date hereof,  except as set forth on Schedule
6.28 hereof,  no dispute  exists between LABN or LA Bank and any of its employee
groups  regarding  any employee  organization,  wages,  hours,  or conditions of
employment which would  materially  interfere with the business or operations of
LABN or LA Bank.

     6.29.  Employee Benefit Plans.

         (a)  Schedule  6.29  hereto  contains a complete  list of all  pension,
retirement,   stock  purchase,  stock  bonus,  stock  ownership,  stock  option,
performance  share,  stock  appreciation  right,  phantom  stock,  savings,  and
profit-sharing plans, all employment, deferred compensation,  consulting, bonus,
and collective  bargaining  agreements,  and group insurance contracts and other
incentive,   welfare,  life  insurance,  death  or  survivor's  benefit,  health
insurance, sickness, disability,  medical, surgical, hospital, severance, layoff
and vacation plans,  contracts,  and arrangements and employee benefit plans and
agreements, whether or not subject to ERISA, whether formal or informal, whether
written or oral,  whether  legally  binding or not,  under  which any current or
former  employee of LABN or LA Bank has any present right to future  benefits or
payments  or under  which LABN or LA Bank has any  present  or future  liability
(together, the "LABN Plans").

         (b) As to each of the LABN Plans, LABN has made available to NBTB true,
complete, current, and accurate copies of (i) the executed document or documents
governing the plan, including the related trust agreement, insurance policy, and
summary  plan  description  (or other  description  in the case of an  unwritten
plan);  (ii) the most recent and prior two years' actuarial and financial report
prepared  with respect to the plan if it  constitutes  a "qualified  plan" under
section 401(a) of the Code;

                                       25

<PAGE>

(iii) the Forms 5500 with all schedules  for the last three years;  (iv) all IRS
rulings,  determination  letters,  and any open  requests  for such  rulings and
letters  that  pertain to the plan;  and (v) to the extent  they  pertain to the
plan,  attorneys'  responses to auditors'  requests for information for the last
three years.

         (c) Except for  funding  obligations  and  liabilities  to the  Pension
Benefit Guaranty  Corporation  ("PBGC") pursuant to section 4007 of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA"),  all of which have
been fully paid,  neither  LABN nor LA Bank has any tax,  penalty,  or liability
with respect to any LABN Plan under  ERISA,  the Code,  or any other  applicable
law,  regulation,  or ruling.  As to each LABN Plan with respect to which a Form
5500 has been filed, no material change has occurred with respect to the matters
covered by the most recent Form 5500 since the date thereof,  other than regular
accruals and contributions.

         (d) Each LABN Plan  intended  to be a  "qualified  plan" under the Code
complies with ERISA and applicable  provisions of the Code.  Neither LABN nor LA
Bank has any material  liability  under any LABN Plan which is not  reflected on
the LABN Financial  Statements (other than such normally unrecorded  liabilities
under the Plans for sick leave, holiday, education,  bonus, vacation,  incentive
compensation,  and anniversary awards, provided that such liabilities are not in
any event  material).  There have not been any  "prohibited  transactions"  with
respect to any LABN Plan within the  meaning of section  406 of ERISA or,  where
applicable,  section  4975 of the  Code,  nor have  there  been any  "reportable
events"  within  section 4043 of ERISA nor any  accumulated  funding  deficiency
within section 302 of ERISA or section 402 of the Code. Neither LABN nor LA Bank
nor any entity under common  control  under section  414(b),  (c), or (m) of the
Code has or had any  obligation to contribute to any  multiemployer  plan. As to
each LABN Plan that is subject to Title IV of ERISA, the value of assets of such
LABN Plan is at least  equal to the  present  value of the vested  and  unvested
accrued  benefits in such LABN Plan on a termination  and ongoing  basis,  based
upon applicable PBGC regulations and the actuarial  methods and assumptions used
in the most recent actuarial report. Neither LABN nor LA Bank has any obligation
to provide retiree welfare benefits.

         (e) No  action,  claim,  or  demand  of any kind has  been  brought  or
threatened by any potential  claimant or representative of such a claimant under
any plan, contract, or arrangement referred to in subsection (a) of this section
6.29, other than routine claims for benefits in the ordinary course,  where LABN
or LA Bank may be either (i) liable  directly on such action,  claim, or demand;
or (ii)  obligated to  indemnify  any person,  group of persons,  or entity with
respect to such action, claim, or demand which is not fully covered by insurance
maintained with reputable,  responsible  financial insurers or by a self-insured
plan.

     6.30.  Compensation.  Schedule  6.30  hereto  contains  a true and  correct
statement of the names,  relationships  with LABN and LA Bank,  present rates of
compensation  (whether  in the form of salary,  bonuses,  commissions,  or other
supplemental  compensation now or hereafter payable), and aggregate compensation
for the fiscal year ended December 31, 1998 of each director,  officer, or other
employee of LABN and LA Bank whose  aggregate  compensation  for the fiscal year
ended  December 31, 1998 exceeded  $60,000 or whose  aggregate  compensation  at
present  exceeds the rate of $60,000 per annum.  Except as set forth on Schedule
6.30  hereto,  since  December 31, 1998 neither LABN nor LA Bank has changed the
rate of  compensation  of any of its  directors,  officers,  employees,  agents,
dealers,  or

                                       26

<PAGE>

distributors,  nor has any LABN Plan or program  been  instituted  or amended to
increase benefits thereunder. Except as set forth on Schedule 6.30 hereto, there
is no contract,  agreement,  plan,  arrangement,  or understanding  covering any
person that, individually or collectively, could give rise to the payment of any
amount that would not be deductible by LABN or LA Bank by reason of section 280G
of the Code.

     6.31. Fiduciary Activities.  Each of LA Bank and AFSI is duly qualified and
registered and in good standing in accordance with the laws of each jurisdiction
in  which  it is  required  to so  qualify  or  register  as a  result  of or in
connection  with its  fiduciary or custodial  activities  as conducted as of the
date  hereof.  LA Bank is duly  registered  under  and in  compliance  with  all
requirements  of the  Investment  Advisers Act of 1940 as amended,  or is exempt
from registration  thereunder and from compliance with the requirements thereof.
Since January 1, 1998, each of LA Bank and AFSI has conducted,  and currently is
conducting,  all fiduciary and custodial  activities in all material respects in
accordance with all applicable law.

     6.32.  Environmental Liability.

         (a) Except as set forth on Schedule  6.32  hereof,  neither LABN nor LA
Bank is in violation of any  judgment,  decree,  order,  law,  license,  rule or
regulation  pertaining to environmental  matters,  including those arising under
the Resource  Conservation  and Recovery  Act, the  Comprehensive  Environmental
Response,  Compensation  and  Liability  Act of 1980  ("CERCLA"),  the Superfund
Amendments and  Reauthorization Act of 1986, the Federal Water Pollution Control
Act, the Federal Clean Air Act, the Toxic Substances Control Act or any state or
local statute, regulation, ordinance, order or decree relating to health, safety
or the environment ("Environmental Laws").

         (b) Except as set forth on Schedule 6.32 hereof, neither LABN, LA Bank,
nor, to the best of the knowledge of either of them,  any borrower of LABN or of
LA Bank has received  notice that it has been  identified  by the United  States
Environmental  Protection Agency as a potentially responsible party under CERCLA
with respect to a site listed on the National  Priorities  List, 40 C.F.R.  Part
300  Appendix  B, nor has LABN or LA Bank or,  to the best of the  knowledge  of
either of them,  any borrower of LABN or of LA Bank  received  any  notification
that any hazardous waste, as defined by 42 U.S.C. Section 6903(5), any hazardous
substances,  as  defined  by 42  U.S.C.  Section  9601(14),  any  "pollutant  or
contaminant," as defined by 42 U.S.C. Section 9601(33),  or any toxic substance,
hazardous  materials,  oil, or other  chemicals or  substances  regulated by any
Environmental  Laws  ("Hazardous  Substances")  that it has disposed of has been
found at any site at which a federal or state  agency is  conducting  a remedial
investigation or other action pursuant to any Environmental Law.

         (c) No portion of any real property at any time owned or leased by LABN
or LA Bank  (collectively,  the "LABN Real  Estate") has been used by LABN or LA
Bank for the handling,  processing,  storage or disposal of Hazardous Substances
in a manner  which  violates  any  Environmental  Laws  and,  to the best of the
knowledge of LABN and LA Bank, no underground tank or other underground  storage
receptacle  for Hazardous  Substances is located on any of the LABN Real Estate.
In the course of its  activities,  neither LABN nor LA Bank has  generated or is
generating any hazardous  waste on any of the LABN Real Estate in a manner which
violates any  Environmental  Laws. There has been no past

                                       27

<PAGE>

or present releasing,  spilling, leaking, pumping, pouring, emitting,  emptying,
discharging,  injecting, escaping, leaching, disposing or dumping (collectively,
a "Release") of Hazardous Substances by LABN or LA Bank on, upon, or into any of
the LABN Real Estate.  In addition,  to the best of the knowledge of LABN and LA
Bank,  except as set forth on  Schedule  6.32  hereof,  there  have been no such
Releases on, upon,  or into any real property in the vicinity of any of the LABN
Real Estate that, through soil or groundwater  contamination,  may be located on
any of such LABN Real Estate.

         (d) With  respect to any real  property at any time held as  collateral
for any outstanding loan by LABN or LA Bank (collectively,  the "Collateral Real
Estate"),  except as set forth on Schedule 6.32 hereof, neither LABN nor LA Bank
has since  January 1, 1988  received  notice from any borrower  thereof or third
party,  and has no knowledge,  that such borrower has generated or is generating
any  hazardous  waste on any of the  Collateral  Real  Estate in a manner  which
violates any Environmental  Laws or that there has been any Release of Hazardous
Substances by such borrower on, upon, or into any of the Collateral Real Estate,
or that there has been any Release on,  upon,  or into any real  property in the
vicinity of any of the Collateral Real Estate that,  through soil or groundwater
contamination, may be located on any of such Collateral Real Estate.

         (e) As used in this  section  6.32,  each of the terms  "LABN"  and "LA
Bank"  includes the  applicable  entity and any  partnership or joint venture in
which it or any of its subsidiaries has an interest.

     6.33.  Intangible  Property.  To the best of the  knowledge  of LABN and LA
Bank, each of LABN, LA Bank, LALI, and AFSI owns or possesses the right, free of
the claims of any third party,  to use all material  trademarks,  service marks,
trade  names,  copyrights,  patents,  and licenses  currently  used by it in the
conduct of its  business.  To the best of the  knowledge of LABN and LA Bank, no
material product or service offered and no material trademark,  service mark, or
similar right used by LABN, LA Bank,  LALI, or AFSI  infringes any rights of any
other person, and, as of the date hereof,  neither LABN nor LA Bank has received
any written or oral notice of any claim of such infringement.

     6.34. Real and Personal  Property.  Except for property and assets disposed
of in the ordinary  course of business,  each of LABN, LA Bank,  LALI,  and AFSI
possesses good and marketable title to and owns, free and clear of any mortgage,
pledge,  lien, charge, or other encumbrance or other third party interest of any
nature  whatsoever  which  would  materially  interfere  with  the  business  or
operations of either LABN or LA Bank,  its real and personal  property and other
assets,  including  without  limitation those properties and assets reflected in
the LABN Financial Statements as of June 30, 1999, or acquired by LABN, LA Bank,
LALI, or AFSI subsequent to the date thereof. The leases pursuant to which LABN,
LA Bank, LALI, and AFSI lease real or personal  property as lessee are valid and
effective in accordance with their respective terms; and there is not, under any
such lease, any material existing default or any event which, with the giving of
notice or lapse of time or otherwise,  would constitute a material default.  The
real and personal  property  leased by either LABN,  LA Bank,  LALI,  or AFSI as
lessee is free from any adverse claim which would materially  interfere with its
business or operation  taken as a whole.  The material  properties and equipment
owned or  leased  as  lessee  by LABN,  LA Bank,  LALI,  and AFSI are in  normal
operating condition,  free from any known defects,  except such minor defects as
do not materially interfere with the continued use thereof in the conduct

                                       28

<PAGE>

of its normal operations.

     6.35.  Loans, Leases, and Discounts.

         (a) To the best of the knowledge of LABN and LA Bank, each loan, lease,
and discount  reflected as an asset of LABN in the LABN Financial  Statements as
of June 30, 1999, or acquired since that date, is the legal,  valid, and binding
obligation  of the obligor named  therein,  enforceable  in accordance  with its
terms; and no loan,  lease, or discount having an unpaid balance  (principal and
accrued interest) in excess of $50,000,  and no outstanding  letter of credit or
commitment to extend credit  having a notional  amount in excess of $50,000,  is
subject to any asserted  defense,  offset,  or counterclaim  known to LABN or LA
Bank.

         (b) Except as set forth on Schedule  6.35  hereof,  neither LABN nor LA
Bank  holds  any  loans  or  loan-participation  interests  purchased  from,  or
participates in any loans originated by, any person other than LABN or LA Bank.

     6.36. Material Contracts.  None of LABN, LA Bank, LALI, nor AFSI nor any of
the assets,  businesses, or operations of any of them is as of the date hereof a
party to, or is bound or affected  by, or receives  benefits  under any material
agreement,  arrangement,  or commitment  not  cancelable by it without  penalty,
other  than (a) the  agreements  set  forth on  Schedule  6.36  hereof,  and (b)
agreements,  arrangements, or commitments entered into in the ordinary course of
its  business  consistent  with  past  practice,  or,  if there has been no past
practice, consistent with prudent banking practices.

     6.37.  Employment  and  Severance  Arrangements.  Schedule 6.37 hereof sets
forth

         (a) all employment  contracts  granted by LABN or LA Bank to any of its
officers,  directors,  shareholders,  consultants, or other management officials
and any officer,  director,  shareholder,  consultant, or management official of
any affiliate  providing for increased or accelerated  compensation in the event
of a change  of  control  with  respect  to LABN or LA Bank or any  other  event
affecting the ownership, control, or management of LABN or LA Bank; and

         (b)  all   employment   and  severance   contracts,   agreements,   and
arrangements between LABN or LA Bank and any officer,  director,  consultant, or
other management official of any of them.

     6.38.  Material  Contract  Defaults.  All  contracts,  agreements,  leases,
mortgages, or commitments referred to in section 6.12(c) hereof are valid and in
full force and effect on the date hereof.  As of the date of this  Agreement and
as of the Effective  Time,  neither LABN nor LA Bank is or will be in default in
any  material  respect  under  any  material  contract,  agreement,  commitment,
arrangement, lease, insurance policy, or other instrument to which it is a party
or by which its  assets,  business,  or  operations  may be bound or affected or
under which it or its assets,  business,  or operations  receive  benefits;  and
there has not  occurred  any event  that with the lapse of time or the giving of
notice or both would constitute such a default.

     6.39.  Capital  Expenditures.  Except as set forth on Schedule 6.39 hereof,
none of LABN, LA Bank,

                                       29

<PAGE>

LALI,  AFSI,  nor  Premier  has any  outstanding  commitments  to  make  capital
expenditures which in the aggregate exceed $50,000.

     6.40.  Repurchase  Agreements.  With respect to all agreements  pursuant to
which  LABN or LA Bank has  purchased  securities  subject  to an  agreement  to
resell,  it has a  valid,  perfected  first  lien or  security  interest  in the
securities securing the agreement, and the value of the collateral securing each
such  agreement  equals  or  exceeds  the  amount  of the debt  secured  by such
collateral under such agreement.

     6.41.  Internal Controls; Year 2000 Problem.

         (a) Each of LABN and LA Bank  maintains  internal  controls  to provide
reasonable  assurance to its board of directors and officers that its assets are
safeguarded,  its  records  and reports  are  prepared  in  compliance  with all
applicable legal and accounting  requirements and with its internal policies and
practices,  and applicable  federal,  state,  and local laws and regulations are
complied  with.  These  controls  extend  to the  preparation  of its  financial
statements to provide  reasonable  assurance  that the  statements are presented
fairly in conformity with generally  accepted  accounting  principles or, in the
case of LA Bank and to the extent different from generally  accepted  accounting
principles,  accounting  principles  mandated by the OCC. The  controls  contain
self-monitoring  mechanisms,  and  appropriate  actions are taken on significant
deficiencies as they are identified.

         (b) Each of LABN and LA Bank has reviewed the areas within its business
and  operations  which could be adversely  affected by, and has  developed or is
developing a program to address on a timely basis the risk that certain computer
applications  used  by it or by any of its  major  suppliers  may be  unable  to
recognize and perform properly date-sensitive functions involving dates prior to
and after  December  31, 1999 (the "Year 2000  Problem").  The Year 2000 Problem
will not  result,  and is not  reasonably  expected to result,  in any  Material
Adverse Effect on LABN or LA Bank.

     6.42.  Dividends.  Neither  LABN nor LA Bank has paid any  dividend  to its
shareholders which caused its regulatory capital to be less than the amount then
required  by  applicable  law, or which  exceeded  any other  limitation  on the
payment of dividends imposed by law, agreement, or regulatory policy.

     6.43.  Brokers and  Advisers.  Except as set forth on Schedule 6.43 hereof,
(a) there are no claims for  brokerage  commissions,  finder's  fees, or similar
compensation  arising out of or due to any act of LABN or LA Bank in  connection
with the transactions contemplated by this Agreement or based upon any agreement
or arrangement made by or on behalf of LABN or LA Bank, and (b) neither LABN nor
LA Bank has entered into any agreement or understanding  with any party relating
to financial  advisory  services  provided or to be provided with respect to the
transactions contemplated by this Agreement.

     6.44.  Interest Rate Risk Management Instruments.

         (a) Schedule  6.44 contains a true,  correct,  and complete list of all
interest-rate   swaps,   caps,   floors,   and  options   agreements  and  other
interest-rate  risk management  arrangements to which LABN

                                       30

<PAGE>

or LA Bank is a party or by which any of its properties or assets may be bound.

         (b) All interest rate swaps,  caps,  floors,  and option agreements and
other interest rate risk  management  arrangements to which LABN or LA Bank is a
party or by which any of its properties or assets may be bound were entered into
in the ordinary  course of its business  and, to the best of its  knowledge,  in
accordance with prudent banking practice and applicable rules, regulations,  and
regulatory  policies  and  with   counterparties   believed  to  be  financially
responsible  at  the  time  and  are  legal,   valid,  and  binding  obligations
enforceable  in  accordance  with  their  terms  (except  as may be  limited  by
bankruptcy,  insolvency,  moratorium,  reorganization, or similar laws affecting
the rights of creditors  generally and the availability of equitable  remedies),
and are in full force and effect.  LABN and LA Bank have duly  performed  in all
material  respects  of all of their  respective  obligations  thereunder  to the
extent that such  obligations  to perform have  accrued;  and to the best of the
knowledge of LABN and LA Bank, there are no breaches,  violations or defaults or
allegations or assertions of such by any party thereunder.

     6.45. Accounting Treatment.  LABN is aware of no reason why the Merger will
fail to qualify for "pooling of interests" accounting treatment.

     6.46. COBRA Matters. Schedule 6.46 sets forth the name, address,  telephone
number,  social  security  number,  and date of Qualifying  Event (as defined in
section 603 of ERISA) of each individuals covered under a group health plan that
is subject to section  601 of ERISA and  sponsored  by LABN or LA Bank or any of
their  subsidiaries  who have  experienced a Qualifying Event since February 16,
1998,  together with documentation of compliance by LABN or LA Bank, as the case
may be, with applicable notice requirements.

     6.47.   Disclosure.   No  representation  or  warranty   hereunder  and  no
certificate, statement, or other document delivered by LABN or LA Bank hereunder
or in connection  with this  Agreement or any of the  transactions  contemplated
thereunder  contains any untrue statement of a material fact or omits to state a
material fact necessary in order to make the  statements  contained  herein,  in
light of the circumstances under which they were made, not misleading.  There is
no fact known to LABN which  reasonably  might have a Material Adverse Effect on
LABN or LA Bank which has not been disclosed in the LABN Financial Statements or
a  certificate  or other  document  delivered  to NBTB by LABN.  All  copies  of
documents delivered to NBTB by LABN under this Agreement are true, correct,  and
complete   copies  thereof  and  include  all   amendments,   supplements,   and
modifications thereto and all waivers thereunder.

     6.48.  Regulatory and Other Approvals.  As of the date hereof,  LABN is not
aware of any  reason  why all  material  consents  and  approvals  shall  not be
procured from all regulatory  agencies having jurisdiction over the transactions
contemplated  by this Agreement,  as shall be necessary for (a)  consummation of
the transactions  contemplated by this Agreement, and (b) the continuation after
the  Effective  Time of the  business  of LABN and LA Bank as such  business  is
carried on immediately  prior to the Effective  Time,  free of any conditions or
requirements  which,  in the reasonable  opinion of LABN,  could have a Material
Adverse  Effect on LABN. As of the date hereof,  LABN is not aware of any reason
why all material  consents and  approvals  shall not be procured  from all other
persons and entities

                                       31

<PAGE>

whose  consent  or  approval  shall be  necessary  for (y)  consummation  of the
transactions  contemplated by this Agreement,  or (z) the continuation after the
Effective  Time of the business of LABN and LA Bank as such  business is carried
on immediately prior to the Effective Time.


7.   COVENANTS OF LABN.

     LABN covenants and agrees as follows:

     7.1.  Rights of Access.  In  addition  and not in  limitation  of any other
rights of access  provided to NBTB herein,  until the Effective Time LABN and LA
Bank  will  give to NBTB and to its  representatives,  including  its  certified
public accountants, KPMG, full access during normal business hours to all of the
property, documents, contracts, books, and records of LABN, LA Bank, LALI, AFSI,
and Premier,  and such  information  with respect to their business  affairs and
properties as NBTB from time to time may reasonably request.

     7.2. Monthly and Quarterly  Financial  Statements;  Minutes of Meetings and
Other Materials.

         (a) LABN and LA Bank will  continue  to prepare  all of the monthly and
quarterly financial  statements and financial reports to regulatory  authorities
for the  months  and  quarterly  periods  ending  between  July 1,  1999 and the
Effective Time which it customarily  prepared  during the period between January
1, 1996 and June 30,  1999 and shall  promptly  provide  NBTB with copies of all
such  financial  statements and reports.  All of such  financial  statements and
reports, including the related notes, schedules, and memorandum items, will have
been  prepared in  accordance  with  generally  accepted  accounting  principles
consistently  applied in all material  respects (except that Call Reports may be
prepared in accordance with the official instructions  applicable thereto at the
time of filing).

         (b) LABN and LA Bank shall promptly provide NBTB with (i) copies of all
of its periodic  reports to directors and to  shareholders,  whether or not such
reports were prepared or distributed  in connection  with a meeting of the board
of directors or a meeting of the shareholders,  prepared or distributed  between
the date of this Agreement and the Effective  Time, and (ii) complete  copies of
all  minutes  of  meetings  of its board of  directors  and  shareholders  which
meetings take place between the date of this  Agreement and the Effective  Time,
certified by the  secretary  or cashier or an  assistant  secretary or assistant
cashier of LABN or LA Bank, as the case may be.

         (c) From the date of this Agreement to the Effective  Time, LABN shall,
contemporaneously with its filing with the SEC of any periodic or current report
pursuant  to section 13 of the  Exchange  Act,  deliver a copy of such report to
NBTB.

     7.3. Extraordinary Transactions. Without the prior written consent of NBTB,
neither  LABN nor LA Bank  will,  on or after  the date of this  Agreement:  (a)
subject to section 7.9, declare or pay any cash dividends or property  dividends
with  respect  to any class of its  capital  stock,  with the  exception  of (i)
customary periodic cash dividends paid by LABN to holders of its common stock in
amounts not exceeding $0.1025 per calendar quarter and at intervals that are not
shorter than past  practice,  (ii)

                                       32

<PAGE>

customary periodic special cash dividends typically declared by LABN in November
and paid to holders of its common stock the following  December,  in amounts not
exceeding  $0.03  per  year and at  intervals  that are not  shorter  than  past
practice,  and (iii) customary cash dividends paid by LA Bank whose amounts have
not  exceeded  past  practice  and at  intervals  that are not shorter than past
practice; (b) declare or distribute any stock dividend, authorize a stock split,
or authorize,  issue or make any  distribution of its capital stock or any other
securities  (except for  issuances of LABN Common  Stock upon  exercise of stock
options  outstanding  on the date of this  Agreement),  or grant any  options to
acquire such additional securities; (c) either (i) merge into, consolidate with,
or sell or otherwise  dispose of its assets to any other  corporation or person,
or enter into any other transaction or agree to effect any other transaction not
in the ordinary course of its business except as explicitly contemplated herein,
or (ii) engage in any discussions  concerning such a possible transaction except
as explicitly  contemplated  herein unless the board of directors of LABN, based
upon the advice of Saul, Ewing, Remick & Saul LLP, determines in good faith that
such action is required for the board of directors to comply with its  fiduciary
duties to stockholders imposed by law; (d) convert the charter or form of entity
of LA Bank from that in  existence  on the date of this  Agreement  to any other
charter or form of entity; (e) make any direct or indirect redemption, purchase,
or other  acquisition  of any of its capital  stock;  (f) except in the ordinary
course of its business or to accomplish the  transactions  contemplated  by this
Agreement,   incur  any  liability  or   obligation,   make  any  commitment  or
disbursement,  acquire or dispose of any property or asset, make any contract or
agreement,   pay  or  become  obligated  to  pay  any  legal,   accounting,   or
miscellaneous other expense, or engage in any transaction; (g) other than in the
ordinary  course of  business,  subject any of its  properties  or assets to any
lien, claim, charge, option, or encumbrance; (h) enter into or assume any one or
more commitments to make capital expenditures, any of which individually exceeds
$20,000 or which in the aggregate  exceed  $50,000;  (i) except for increases in
the  ordinary  course of  business  in  accordance  with past  practices,  which
together with all other  compensation  rate  increases do not exceed 4.5 percent
per annum of the aggregate payroll as of June 30, 1999, and except as explicitly
contemplated  by  this  Agreement,  increase  the  rate of  compensation  of any
employee or enter into any agreement to increase the rate of compensation of any
employee;  (j) except as otherwise required by law, create or modify any pension
or  profit  sharing  plan,  bonus,  deferred  compensation,  death  benefit,  or
retirement  plan, or the level of benefits  under any such plan, nor increase or
decrease any severance or termination  pay benefit or any other fringe  benefit;
(k) enter into any employment or personal  services  contract with any person or
firm,  including  without  limitation  any contract,  agreement,  or arrangement
described  in  section  6.37(a)  hereof,   except  directly  to  facilitate  the
transactions  contemplated  by this  Agreement;  nor (l)  purchase  any loans or
loan-participation  interests  from, or participate in any loans  originated by,
any person other than LABN or LA Bank.

     7.4.  Preservation of Business.  Each of LABN and LA Bank will (a) carry on
its business and that of LALI and AFSI and manage its assets and  properties and
those  of LALI and AFSI  diligently  and  substantially  in the same  manner  as
heretofore; (b) maintain the ratio of its loans to its deposits at approximately
the same level as existed at June 30,  1999,  as adjusted to allow for  seasonal
fluctuations   of  loans  and   deposits  of  a  kind  and  amount   experienced
traditionally by it; (c) manage its investment  portfolio in  substantially  the
same manner and pursuant to  substantially  the same  investment  policies as in
1997 and 1998,  and will take no action  to change to any  material  extent  the
percentage  which its  investment  portfolio  bears to its total  assets,  or to
lengthen  to  any  material  extent  the  average  maturity

                                       33

<PAGE>

of its investment  portfolio,  or of any significant  category thereof;  (d) use
commercially  reasonable  efforts to continue  in effect its  present  insurance
coverage  on  all  properties,   assets,   business,  and  personnel;   (e)  use
commercially reasonable efforts to preserve its business organization intact, to
keep available its present employees,  and to preserve its present relationships
with customers and others having business  dealings with it; (f) not do anything
and not fail to do  anything  which  will  cause a breach of or  default  in any
contract,  agreement,  commitment, or obligation to which it, LALI, or AFSI is a
party or by which it,  LALI,  or AFSI may be bound;  (g)  conduct its affairs so
that at the Effective Time none of its  representations  and warranties  will be
inaccurate,  none of its  covenants  and  agreements  will be  breached,  and no
condition in this Agreement will remain  unfulfilled by reason of its actions or
omissions;  and (h) not amend its  articles of  incorporation  or bylaws and not
permit the amendment of the articles of incorporation or bylaws of LALI or AFSI.

     7.5. Comfort Letter.  At the time of the  effectiveness of the Registration
Statement,  but prior to the  mailing of the Joint Proxy  Statement,  and on the
date  of the  Effective  Time,  LABN  shall  furnish  NBTB  with a  letter  from
PricewaterhouseCoopers  LLP, its  independent  auditors,  in form and  substance
acceptable  to NBTB,  stating  that (a) they are  independent  accountants  with
respect to LABN within the meaning of the Securities Act and the published rules
and  regulations  thereunder,  (b) in their opinion the  consolidated  financial
statements of LABN included in the  Registration  Statement comply as to form in
all  material  respects  with  the  applicable  accounting  requirements  of the
Securities Act and the published  rules and  regulations  thereunder,  and (c) a
reading of the latest available unaudited  consolidated  financial statements of
LABN and  unaudited  financial  statements  of LA Bank and  inquiries of certain
officials of LABN and LA Bank  responsible for financial and accounting  matters
as to  transactions  and events  since the date of the most recent  consolidated
statement of  condition  included in their most recent audit report with respect
to LABN did not cause them to believe that (i) such latest  available  unaudited
consolidated  financial  statements of LABN are not stated on a basis consistent
with that followed in LABN's audited consolidated financial statements;  or (ii)
except  as  disclosed  in the  letter,  at a  specified  date not more than five
business  days prior to the date of such letter,  there was any change in LABN's
capital stock or any change in  consolidated  long-term  debt or any decrease in
the consolidated  net assets of LABN or the consolidated  allowance for loan and
lease losses of LABN as compared with the  respective  amounts shown in the most
recent LABN audited  consolidated  financial  statements.  The letter shall also
cover such other matters  pertaining to LABN's and LA Bank's  financial data and
statistical information included in the Registration Statement as may reasonably
be requested by NBTB.

     7.6.  Affiliates' Agreements.

         (a) LABN will  furnish to NBTB (i) a list of all persons  known to LABN
who at the date of this  Agreement and (ii) if different  from the list required
by section  7.6(a)(i),  a list of all  persons  known to LABN who at the date of
LABN's  special  meeting  of   shareholders   to  vote  upon  the   transactions
contemplated  by this Agreement may be deemed to be  "affiliates" of LABN within
the meaning of Rule 145 under the  Securities Act and for purposes of qualifying
the Merger for "pooling of interests" accounting treatment.

         (b) LABN will use  commercially  reasonable  efforts to cause each such
"affiliate"  of LABN

                                       34

<PAGE>

to deliver to NBTB on or before the date of this  Agreement  (or, in the case of
any person who becomes an "affiliate" of LABN after the date of this  Agreement,
not later than ten days after such  person  becomes an  "affiliate"  of LABN) an
Affiliates Agreement.

     7.7.  Pooling Treatment.

         (a) LABN will take no action  that  would  prevent or impede the Merger
from  qualifying  for "pooling of interests"  accounting  treatment or KPMG from
delivering the Pooling Letters.

         (b) LABN shall deliver to KPMG such certificates or  representations as
KPMG may reasonably request to enable it to deliver the Pooling Letters.

     7.8.  Shareholders'  Meeting. LABN shall hold a meeting of its shareholders
in accordance  with the BCL as promptly as possible after the  effectiveness  of
the  Registration  Statement,  after at least twenty days' prior written  notice
thereof to the  shareholders  of LABN, to consider and vote upon the adoption of
this  Agreement.  Subject to its fiduciary  duty to  shareholders,  the board of
directors of LABN shall approve this Agreement and recommend to its shareholders
that it be adopted.

     7.9. Dividend Coordination.  The board of directors of LABN shall cause its
regular quarterly  dividend record dates and payment dates for LABN Common Stock
to be the same as the regular quarterly  dividend record dates and payment dates
for NBTB Common  Stock (in  particular,  by  deferring  the record date for LABN
Common Stock by up to thirty days beginning in the quarter following the quarter
in which this Agreement is executed),  and LABN shall not thereafter  change its
regular dividend payment dates and record dates.

     7.10.  Inconsistent Activities.

         (a) Subject to subsection  (b) of this section  7.10,  unless and until
the  Merger  has been  consummated  or this  Agreement  has been  terminated  in
accordance  with its  terms,  neither  LABN  nor LA Bank  will  (a)  solicit  or
encourage,   directly  or  indirectly,  any  inquiries  or  proposals  (each  an
"Alternative  Proposal") to acquire more than 1 percent of the LABN Common Stock
or any  capital  stock of LA Bank or any  significant  portion  of the assets of
either of them (whether by tender offer,  merger,  purchase of assets,  or other
transactions  of any type) (each an "Alternative  Transaction");  (b) afford any
third party which may be  considering  an  Alternative  Proposal or  Alternative
Transaction  access to its  properties,  books or records  except as required by
mandatory provisions of law; (c) enter into any discussions or negotiations for,
or enter into any agreement or understanding which provides for, any Alternative
Transaction,  or  (d)  authorize  or  permit  any of  its  directors,  officers,
employees  or agents to do or permit  any of the  foregoing.  If LABN or LA Bank
becomes  aware of any  Alternative  Proposal or of any other  matter which could
adversely  affect  this  Agreement  or  the  Merger,  LABN  and  LA  Bank  shall
immediately give notice thereof to NBTB.

         (b) Nothing  contained  in  subsection  (a) of this  section 7.10 shall
prohibit  the board of  directors  of LABN  from  furnishing  information  to or
entering  into  discussions  or  negotiations  with  any  person  that  makes an
unsolicited bona fide Alternative  Proposal if, and only to the extent that, (i)
the

                                       35

<PAGE>


board of directors of the Company,  based upon the advice of Saul, Ewing, Remick
& Saul LLP,  determines in good faith that such action is required for the board
of directors to comply with its fiduciary duties to stockholders imposed by law,
(ii) prior to furnishing such  information  to, or entering into  discussions or
negotiations  with,  such person,  LABN provides  written  notice to NBTB to the
effect that it is furnishing  information  to, or entering into  discussions  or
negotiations with, such person, and (iii) LABN keeps NBTB informed of the status
and  all  material   information   with  respect  to  any  such  discussions  or
negotiations.

         (c) Nothing in  subsection  (b) of this  section  7.10 shall (i) permit
LABN to terminate this  Agreement  (except as  specifically  provided in section
11.1 or 11.2 of this  Agreement),  (ii) permit LABN or LA Bank to enter into any
agreement  with  respect  to an  Alternative  Transaction  for as  long  as this
Agreement  remains in effect (it being agreed that for as long as this Agreement
remains in effect,  LABN and LA Bank shall not enter into any agreement with any
person that provides for, or in any way facilitates,  an Alternative Transaction
(other than a confidentiality agreement in customary form)), or (iii) affect any
other obligation of LABN or LA Bank under this Agreement.

     7.11. COBRA Obligations.  For all individuals  covered under a group health
plan that is subject to section 601 of ERISA and sponsored by LABN or LA Bank or
any of their subsidiaries,  and who experience a Qualifying Event (as defined in
section 603 of ERISA) within thirty days of the date of this Agreement,  LABN or
LA Bank, as the case may be, shall remain  responsible for providing all notices
and election  forms  necessary to comply with ERISA and the Code,  and will take
all steps necessary to implement elections pursuant to such notices.

     7.12. Updated  Schedules.  Not less than fifteen business days prior to the
Effective  Time and as of the  Effective  Time,  LABN will  deliver  to NBTB any
updates  to the  schedules  to its  representations  which  may be  required  to
disclose events or circumstances  arising after the date hereof.  Such schedules
shall  be  updated  only for the  purpose  of  making  the  representations  and
warranties  contained  in this  Agreement  to which such part of such  schedules
relate true and correct in all material respects as of the date such schedule is
updated,  and the  updated  schedule  shall not have the  effect  of making  any
representation  or warranty  contained in this Agreement true and correct in all
material respects as of a date prior to the date of such updated  schedule.  For
purposes of determining whether the condition set forth in section 4.1 to NBTB's
obligations have been met, any such updated schedules delivered to NBTB shall be
disregarded  unless NBTB shall have agreed to accept any  changes  reflected  in
such updated schedules.

     7.13.  Subsequent  Events.  Until the Effective Time, LABN will immediately
advise  NBTB in a  detailed  written  notice  of any fact or  occurrence  or any
pending or  threatened  occurrence  of which it obtains  knowledge and which (if
existing and known at the date of the  execution of this  Agreement)  would have
been  required to be set forth or  disclosed  in or  pursuant to this  Agreement
which (if  existing  and known at any time  prior to or at the  Effective  Time)
would make the  performance  by LABN of a covenant  contained in this  Agreement
impossible  or make  such  performance  materially  more  difficult  than in the
absence of such fact or occurrence,  or which (if existing and known at the time
of the Effective Time) would cause a condition to NBTB's  obligations under this
Agreement not to be fully satisfied.

                                       36

<PAGE>

8.   REPRESENTATIONS AND WARRANTIES OF NBTB.

     NBTB represents and warrants to LABN as follows:

     8.1. Organization,  Powers, and Qualification.  NBTB is a corporation which
is duly organized,  validly existing, and in good standing under the laws of its
jurisdiction  of  incorporation  and  has  all  requisite  corporate  power  and
authority to own and operate its properties and assets, to lease properties used
in its  business,  and to carry on its business as now  conducted.  NBTB owns or
possesses in the operation of its business all  franchises,  licenses,  permits,
branch certificates,  consents,  approvals,  waivers, and other  authorizations,
governmental or otherwise, which are necessary for it to conduct its business as
now  conducted,  except  for  those  where  the  failure  of such  ownership  or
possession  would  not have a  Material  Adverse  Effect  on NBTB.  NBTB is duly
qualified  and  licensed  to do  business  and  is in  good  standing  in  every
jurisdiction  with  respect to which the failure to be so  qualified or licensed
could result in a Material Adverse Effect on NBTB.

     8.2.  Execution  and  Performance  of  Agreement.  NBTB  has all  requisite
corporate  power and  authority  to execute and deliver  this  Agreement  and to
perform its respective terms.

     8.3. Binding Obligations; Due Authorization. This Agreement constitutes the
valid,  legal,  and  binding  obligations  of  NBTB  enforceable  against  it in
accordance  with its terms,  except as enforcement  may be limited by applicable
bankruptcy,  insolvency,  moratorium or similar law, or by general principles of
equity.  The  execution,  delivery,  and  performance  of this Agreement and the
transactions  contemplated  thereby have been duly and validly authorized by the
board of  directors  of NBTB.  No other  corporate  proceedings  on its part are
necessary to authorize  this  Agreement or the carrying out of the  transactions
contemplated hereby.

     8.4.  Absence of Default.  None of the  execution  or the  delivery of this
Agreement,  the consummation of the  transactions  contemplated  hereby,  or the
compliance with or fulfillment of the terms hereof will conflict with, or result
in a breach of any of the terms,  conditions,  or provisions of, or constitute a
default  under the  organizational  documents  or  bylaws of NBTB.  None of such
execution,  consummation,  or fulfillment will (a) conflict with, or result in a
material  breach of the terms,  conditions,  or  provisions  of, or constitute a
material  violation,  conflict,  or default under,  or give rise to any right of
termination,  cancellation,  or  acceleration  with respect to, or result in the
creation of any lien, charge, or encumbrance upon, any of the property or assets
of NBTB  pursuant to any  material  agreement  or  instrument  under which it is
obligated or by which any of its  properties  or assets may be bound,  including
without limitation any material lease, contract, mortgage, promissory note, deed
of trust,  loan, credit  arrangement or other commitment or arrangement of it in
respect of which it is an obligor, or (b) if the Merger is approved by the Board
of Governors  under the BHC Act, and if the  transactions  contemplated  by this
Agreement are approved by the  Department,  violate any law,  statute,  rule, or
regulation  of any  government  or agency to which NBTB is subject  and which is
material  to  its  operations,   or  (c)  violate  any  judgment,  order,  writ,
injunction,  decree, or ruling to which it or any of its properties or assets is
subject or bound.  None of the  execution  or  delivery of this  Agreement,  the
consummation of the transactions  contemplated hereby, or the compliance with or

                                       37

<PAGE>

fulfillment  of the  terms  hereof  will  require  any  authorization,  consent,
approval,  or exemption by any person which has not been obtained, or any notice
or  filing  which  has not been  given  or  done,  other  than  approval  of the
transactions  contemplated  by this Agreement by, notices to, or filings with by
the Board of Governors,  the SEC, state securities commissions,  the Department,
the  Secretary of State of the State of Delaware,  and the Secretary of State of
the Commonwealth of Pennsylvania.

     8.5.  Capital Structure.

         (a)  The  authorized  capital  stock  of  NBTB  as of the  date of this
Agreement  consists of (i) 2,500,000  shares of preferred  stock,  no par value,
stated value $1.00 per share ("NBTB Preferred Stock"),  of which, as of the date
of this  Agreement,  no shares are issued or  outstanding,  and (ii)  12,500,000
shares  of NBTB  Common  Stock,  of  which,  as of the  date of this  Agreement,
12,391,351  shares have been duly issued and are validly  outstanding  and fully
paid, and 624,438 additional shares are issued and held in the treasury of NBTB.
The aforementioned  shares of NBTB Preferred Stock and NBTB Common Stock are the
only voting  securities of NBTB  authorized,  issued,  or outstanding as of such
date.

         (b)  None of the  shares  of NBTB  Common  Stock  has  been  issued  in
violation of the preemptive rights of any shareholder.

         (c) As of the date hereof,  to the best of the  knowledge of NBTB,  and
except  for  this  Agreement,  there  are no  shareholder  agreements,  or other
agreements,  understandings,  or commitments relating to the right of any holder
or beneficial owner of more than 1 percent of the issued and outstanding  shares
of any class of the capital  stock of NBTB to vote or to dispose of his,  her or
its shares of capital stock of NBTB.

     8.6. Books and Records.  The books and records of each of NBTB and NBT Bank
fairly  reflect  the  transactions  to  which  it is a  party  or by  which  its
properties are subject or bound.  Such books and records have been properly kept
and  maintained  and  are  in  compliance  in all  material  respects  with  all
applicable accounting and legal requirements.  Each of NBTB and NBT Bank follows
generally  accepted  accounting  principles applied on a consistent basis in the
preparation  and  maintenance of its books of account and financial  statements,
including but not limited to the application of the accrual method of accounting
for interest  income on loans,  leases,  discounts,  and  investments,  interest
expense on deposits and all other liabilities, and all other items of income and
expense.  Each of NBTB  and NBT Bank has made  all  accruals  in  amounts  which
accurately  report income and expense in the proper  periods in accordance  with
generally accepted  accounting  principles.  Each of NBTB and NBT Bank has filed
all material  reports and returns  required by any law or regulation to be filed
by it.

     8.7.  Financial  Statements.  NBTB has  furnished to LABN its  consolidated
audited  statement of  condition  as of each of December 31, 1996,  December 31,
1997, and December 31, 1998, and its related audited  consolidated  statement of
income,  consolidated  statement of cash flows,  and  consolidated

                                       38

<PAGE>

statement of changes in stockholders' equity for each of the periods then ended,
and the notes thereto, and its consolidated  unaudited statement of condition as
of June 30, 1999, and its related  unaudited  consolidated  statement of income,
consolidated  statement of cash flows, and consolidated  statement of changes in
stockholders'  equity for the period then ended, and the notes thereto,  each as
filed with the SEC (collectively,  the "NBTB Financial Statements").  All of the
NBTB Financial Statements,  including the related notes, (a) except as indicated
in the notes  thereto,  were  prepared in  accordance  with  generally  accepted
accounting principles consistently applied in all material respects (subject, in
the case of unaudited  statements,  to  recurring  audit  adjustments  normal in
nature and  amount),  and (b) are in  accordance  with the books and  records of
NBTB, (c) fairly reflect the consolidated  financial position of NBTB as of such
dates, and the consolidated  results of operations of NBTB for the periods ended
on such  dates,  and do not  fail to  disclose  any  material  extraordinary  or
out-of-period  items,  and (d) reflect,  in accordance  with generally  accepted
accounting  principles  consistently applied in all material respects,  adequate
provision for, or reserves  against,  the consolidated loan losses of NBTB as of
such dates.

     8.8. Nasdaq  Reporting.  Trading of NBTB Common Stock is, as of the date of
this Agreement, reported on the Nasdaq National Market.

     8.9. Absence of Certain  Developments.  Since June 30, 1999, there has been
(a) no  Material  Adverse  Effect  with  respect  to NBTB,  and (b) no  material
deterioration  in the  quality  of the loan  portfolio  of NBTB or of any  major
component thereof, and no material increase in the level of nonperforming assets
or  nonaccrual  loans at NBTB or in the level of its provision for credit losses
or its reserve for credit losses.

     8.10.  Brokers and Advisers.  Other than with respect to McConnell,  Budd &
Downes, Inc., (a) there are no claims for brokerage commissions,  finder's fees,
or similar  compensation  arising out of or due to any act of NBTB in connection
with the transactions contemplated by this Agreement or based upon any agreement
or  arrangement  made by or on behalf of NBTB, and (b) NBTB has not entered into
any agreement or  understanding  with any party  relating to financial  advisory
services   provided  or  to  be  provided  with  respect  to  the   transactions
contemplated by this Agreement.

     8.11.   Disclosure.   No  representation  or  warranty   hereunder  and  no
certificate,  statement,  or other  document  delivered by NBTB  hereunder or in
connection  with  this  Agreement  or  any  of  the  transactions   contemplated
thereunder  contains any untrue statement of a material fact or omits to state a
material fact necessary in order to make the  statements  contained  herein,  in
light of the circumstances under which they were made, not misleading.  There is
no fact known to NBTB which  might  materially  adversely  affect its  business,
assets,  liabilities,  financial condition,  results of operations, or prospects
which has not been disclosed in the NBTB  Financial  Statements or a certificate
or other document  delivered by NBTB to LABN. Copies of all documents  delivered
to LABN by NBTB under this  Agreement  are true,  correct,  and complete  copies
thereof and include all amendments,  supplements,  and modifications thereto and
all waivers thereunder.

     8.12.  Regulatory and Other Approvals.  As of the date hereof,  NBTB is not
aware of any  reason  why all  material  consents  and  approvals  shall  not be
procured from all regulatory  agencies having jurisdiction over the transactions
contemplated  by this Agreement,  as shall be necessary for (a)  consummation of
the transactions  contemplated by this Agreement, and (b) the continuation after
the  Effective  Time of the  business  of NBTB as such  business  is  carried on
immediately  prior to the Effective Time,

                                       39

<PAGE>

free of any conditions or requirements which, in the reasonable opinion of NBTB,
could have a Material Adverse Effect on NBTB. As of the date hereof, NBTB is not
aware of any  reason  why all  material  consents  and  approvals  shall  not be
procured from all other persons and entities  whose consent or approval shall be
necessary  for  (y)  consummation  of  the  transactions  contemplated  by  this
Agreement,  or (z) the continuation  after the Effective Time of the business of
NBTB as such business is carried on immediately prior to the Effective Time.


9.   COVENANTS OF NBTB.

     NBTB covenants and agrees as follows:

     9.1.Rights  of Access.  From the date hereof to the  Effective  Time,  NBTB
shall give to LABN and to its  representatives,  including its certified  public
accountants,  PricewaterhouseCoopers  LLP, full access  during  normal  business
hours to all of the property, documents,  contracts, books, and records of NBTB,
and such information with respect to its business affairs and properties as LABN
from time to time may reasonably request.

     9.2. Securities  Reports.  From the date hereof to the Effective Time, NBTB
shall, contemporaneously with the filing with the SEC of any periodic or current
report pursuant to section 13 of the Exchange Act, deliver a copy of such report
to LABN.

     9.3.  Shareholders'  Meeting. NBTB shall hold a meeting of its shareholders
in accordance  with the GCL as promptly as possible after the  effectiveness  of
the  Registration  Statement,  after at least twenty days' prior written  notice
thereof to the  shareholders  of NBTB, to consider and vote upon this Agreement.
Subject to its fiduciary  duty to  shareholders,  the board of directors of NBTB
shall recommend to its shareholders that this Agreement be adopted.

     9.4. Nasdaq Approval. NBTB shall use its commercially reasonable efforts to
cause the shares of NBTB Common  Stock to be issued in the Merger to be approved
for  inclusion  on the Nasdaq  National  Market,  subject to official  notice of
issuance, prior to the Effective Time.

     9.5.  Options.  At or prior to the  Effective  Time,  NBTB  shall  take all
corporate action necessary to reserve for issuance a sufficient number of shares
of NBTB Common  Stock for  delivery  upon  exercise of options to purchase  LABN
Common Stock assumed by it in accordance with section 1.9 hereof. NBTB shall use
commercially   reasonable   efforts  to  maintain  the   effectiveness   of  the
registration  statement that pertains to the shares subject to such options (and
maintain the current status of the prospectus or prospectuses contained therein)
for so long as such  options  remain  outstanding.  NBTB  shall at and after the
Effective Time have reserved sufficient shares of NBTB Common Stock for issuance
with  respect to such  options.  NBTB shall also take any action  required to be
taken under any applicable  state blue sky or securities laws in connection with
the issuance of such shares.

     9.6.  Indemnification  of Directors and  Officers.  Following the Effective
Time NBTB will take no action to abrogate or diminish any right  accorded  under
the articles of  incorporation  or by-laws of

                                       40

<PAGE>

LABN as they existed  immediately prior to the Effective Time to any person who,
on or  prior  to the  Effective  Time,  was a  director  or  officer  of LABN to
indemnification  from or against losses,  expenses,  claims,  demands,  damages,
liabilities,  judgments,  fines,  penalties,  costs, expenses (including without
limitation  reasonable attorneys fees) and amounts paid in settlement pertaining
to or incurred in connection with any threatened or actual action,  suit, claim,
or  proceeding  (whether  civil,  criminal,   administrative,   arbitration,  or
investigative) arising out of events,  matters,  actions, or omissions occurring
on or prior to the Effective  Time. To the extent not provided by the foregoing,
following the Effective  Time and to the extent  permitted by law, all rights to
such indemnification accorded under the articles of incorporation and by-laws of
LABN to any person who,  on or prior to the  Effective  Time,  was a director or
officer of LABN shall survive the Effective Time and,  following the Merger,  to
the extent permitted by law, NBTB will honor such obligations in accordance with
their terms with respect to events,  acts, or omissions  occurring  prior to the
Effective Time.

     9.7.  Subsequent  Events.  Until the Effective Time, NBTB will  immediately
advise  LABN in a  detailed  written  notice  of any fact or  occurrence  or any
pending or  threatened  occurrence  of which it obtains  knowledge and which (if
existing and known at the date of the  execution of this  Agreement)  would have
been  required to be set forth or  disclosed  in or  pursuant to this  Agreement
which (if  existing  and known at any time  prior to or at the  Effective  Time)
would make the  performance  by NBTB of a covenant  contained in this  Agreement
impossible  or make  such  performance  materially  more  difficult  than in the
absence of such fact or occurrence,  or which (if existing and known at the time
of the Effective Time) would cause a condition to LABN's  obligations under this
Agreement not to be fully satisfied.

10.  CLOSING.

     10.1. Place and Time of Closing. Closing shall take place at the offices of
NBTB,  52 South  Broad  Street,  Norwich,  New York,  or such other place as the
parties  choose,  commencing  at  9:00  a.m.,  local  time,  on the  date of the
Effective Time, provided that all conditions precedent to the obligations of the
parties hereto to close have then been met or waived.

     10.2.  Events To Take  Place at  Closing.  At the  Closing,  the  following
actions will be taken:

         (a) Such  certificates  and other  documents  as are  required  by this
Agreement to be executed and  delivered  at or prior to the  Effective  Time and
have  not been so  executed  and  delivered,  and such  other  certificates  and
documents as are mutually  deemed by the parties to be otherwise  desirable  for
the effectuation of the Closing, will be so executed and delivered; and then

         (b) the Merger and the  issuance of shares  incident  thereto  shall be
effected;  provided, however, that the administrative and ministerial aspects of
the issuance of shares incident to the Merger will be settled as soon thereafter
as shall be reasonable under the circumstances.

                                       41

<PAGE>

11.  TERMINATION, DAMAGES FOR BREACH, WAIVER, AND AMENDMENT.

     11.1.  Termination  by  Reason  of  Lapse of Time.  This  Agreement  may be
terminated  by any  party  on or  after  April  15,  2000,  by  instrument  duly
authorized  and executed  and  delivered  to the other  parties,  unless (a) the
Effective  Time shall have occurred on or before such date or (b) the failure of
the  Effective  Time to have occurred on or before such date has been due to the
failure of the party seeking to terminate  this  Agreement to perform or observe
its covenants and agreements as set forth herein.

     11.2. Grounds for Termination.  This Agreement may be terminated by written
notice of termination  at any time before the Effective Time (whether  before or
after action by shareholders of LABN or NBTB):

         (a) by mutual consent of the parties hereto;

         (b) by NBTB,  upon written  notice to LABN given at any time (i) if any
of the  representations and warranties of LABN contained in section 6 hereof was
materially  incorrect  when made,  or (ii) in the event of a material  breach or
material  failure by LABN of any covenant or agreement of LABN contained in this
Agreement  which has not been,  or cannot be,  cured  within  thirty  days after
written notice of such breach or failure is given to LABN, and which inaccuracy,
breach,  or failure,  if continued to the  Effective  Time,  would result in any
condition set forth in section 4 hereof not being satisfied;

         (c) by LABN,  upon written  notice to NBTB given at any time (i) if any
of the  representations and warranties of NBTB contained in section 8 hereof was
materially  incorrect  when made,  or (ii) in the event of a material  breach or
material  failure by NBTB of any covenant or agreement of NBTB contained in this
Agreement  which has not been,  or cannot be,  cured  within  thirty  days after
written notice of such breach or failure is given to NBTB, and which inaccuracy,
breach,  or failure,  if continued to the  Effective  Time,  would result in any
condition  set forth in  section 5 hereof  not being  satisfied  or (iii) if the
board of directors of LABN, based upon the advice of Saul, Ewing,  Remick & Saul
LLP, determines in good faith that such termination is required for the board of
directors to comply with its fiduciary duties to stockholders  imposed by law by
reason of an Alternative  Proposal  being made;  provided that LABN shall notify
NBTB  promptly of its  intention  to  terminate  this  Agreement or enter into a
definitive agreement with respect to any Alternative  Proposal,  but in no event
shall such notice be given less than 48 hours  prior to the public  announcement
of LABN's termination of this Agreement;

         (d) by LABN, in accordance with the following provisions:

                  (i) at any time during the three-business-day period beginning
on the  Determination  Date, if both of the following  conditions are satisfied,
subject, however, to subsection 11.2(d)(ii):

                           (A)  The  Average   Closing  Price   (determined  for
purposes of this section  11.2(d)(i)(A)  as if the second sentence of subsection
1.3 were deleted) (the "Modified  Average  Closing  Price") is less than $17.00;
and

                                       42

<PAGE>


                           (B) The number,  expressed as a percentage,  obtained
by  dividing  the  Modified  Average  Closing  Price by $20.6875 is more than 15
percentage points less than the Index Differential.

                  (ii) If LABN  chooses to exercise  its right  pursuant to this
section 11.2(d),  it shall give immediate written notice thereof to NBTB. During
the three-business-day period commencing with receipt of such notice, NBTB shall
have the option to agree that the Exchange  Ratio shall be $17.00 divided by the
Modified Average Closing Price. If NBTB so elects within such three-business-day
period,  it shall give immediate  written  notice thereof to LABN,  whereupon no
termination  shall have  occurred  pursuant  to this  section  11.2(d)  and this
Agreement  shall remain in effect in accordance  with its terms (except that the
Exchange Ratio shall be $17.00 divided by the Modified Average Closing Price).

                  (iii)  Definitions.  The following  terms used in this section
11.2(d) shall have the meanings set forth in this Subparagraph (iii).

                           (A)  Determination  Date.  The seventh  business  day
preceding the Effective Time.

                           (B) Index  Price.  For any member of the Index Group,
the Modified  Average  Closing Price  calculated  using,  instead of NBTB Common
Stock, the common stock of that member of the Index Group.

                           (C)  Index  Differential.  The sum of the  respective
numbers (expressed as percentages),  for each of the members of the Index Group,
obtained by multiplying the weighting (as set forth in section  11.2(d)(iii)(D))
of that member of the Index Group times the quotient of the Index Price for that
member of the Index  Group  divided  by the Base  Price (as set forth in section
11.2(d)(iii)(D)) for that member of the Index Group.

                           (D) Index Group.  The twenty  companies listed below,
the common stock of all of which shall be publicly  traded and as to which there
shall not have been a publicly  announced  proposal  between  the day before the
date of the execution of this Agreement and the Determination  Date for any such
company to be  Acquired.  In the event that the common stock of any such company
ceases to be publicly  traded or a proposal to Acquire that company is announced
between  the day  before the date of the  execution  of this  Agreement  and the
Determination  Date, such company will be removed from the Index Group,  and the
weights attributed to the remaining  companies will be adjusted  proportionately
for  purposes of  determining  the Index  Price.  The twenty  companies  and the
weights attributed to them are as follows:

                                       43

<PAGE>

<TABLE>
<CAPTION>
Company                                                       Weighting     Base Price
- -------                                                       ---------     ----------
<S>                                                             <C>         <C>
Arrow Financial Corporation, Glens Falls, NY                    3.649%      $26.2500
BSB Bancorp, Inc., Binghamton, NY                               5.947%      $26.2500
BT Financial Corporation, Johnstown, PA                         7.783%      $24.6250
CCBT Bancorp, Inc., Hyannis, MA                                 3.999%      $17.5000
Century Bancorp, Inc., Medford, MA                              2.680%      $18.5000
Community Bank System, Inc., Dewitt, NY                         4.841%      $24.5000
Community Banks, Inc., Millersburg, PA                          3.756%      $21.2500
F&M Bancorp, Frederick, MD                                      6.969%      $29.2500
Granite State Bankshares, Inc., Keene, NH                       3.546%      $23.3750
Harleysville National Corporation, Harleysville, PA             6.583%      $35.0000
Independent Bank Corp., Rockland, MA                            7.661%      $13.3125
National Penn Bancshares, Inc., Boyertown, PA                   9.140%      $22.2500
Sandy Spring Bancorp, Inc., Olney, MD                           6.514%      $25.5000
State Bancorp, Inc., New Hyde Park, NY                          2.721%      $16.5625
Sterling Bancorp, New York, NY                                  4.221%      $19.6875
Suffolk Bancorp, Riverhead, NY                                  4.119%      $27.2500
Sun Bancorp, Inc., Vineland, NJ                                 3.540%      $17.2500
U.S.B. Holding Co., Inc., Orangeburg, NY                        6.225%      $14.2500
Washington Trust Bancorp, Inc., Westerly, RI                    4.442%      $16.4375
Yardville National Bancorp, Mercerville, NJ                     1.664%      $12.7500
                                                              --------
                                                              100.000%
                                                              ========
</TABLE>

                  (E)  Acquire.  A company  within the Index  Group is deemed to
have been "Acquired" in any combination in which,  immediately  thereafter,  its
equity  holders do not control  more than 50 percent of the equity of the entity
resulting from the combination;

         (e) by either NBTB or LABN upon  written  notice  given to the other if
the board of directors of either NBTB or LABN shall have  determined in its sole
judgment  made in good faith,  after due  consideration  and  consultation  with
counsel,  that the Merger has become  inadvisable or  impracticable by reason of
the institution of litigation by the federal government or the government of the
State of New York or the  Commonwealth of Pennsylvania to restrain or invalidate
the transactions contemplated by this Agreement;

         (f) by either NBTB or LABN upon  written  notice  given to the other if
any of the  approvals  referred to in section 3.1 are denied and such denial has
become final and nonappealable; or

         (g) by either NBTB or LABN upon  written  notice  given to the other if
the  shareholders of either NBTB or LABN shall have voted on and failed to adopt
this Agreement, at the meeting of such shareholders called for such purpose.

     11.3.  Effect  of  Termination.   In  the  event  of  the  termination  and
abandonment  hereof  pursuant to

                                       44

<PAGE>

the provisions of section 11.1 or section 11.2, this Agreement shall become void
and have no force or effect, without any liability on the part of NBTB, LABN, LA
Bank, or their respective  directors or officers or shareholders,  in respect of
this Agreement.  Notwithstanding the foregoing,  (a) as provided in section 12.4
of this Agreement, the confidentiality agreement contained in that section shall
survive such termination; (b) the provisions of sections 11.3(b), 11.3(c), 12.1,
and  12.11  shall  survive;  (c) if such  termination  is a result of any of the
representations  and warranties of a party being materially  incorrect when made
or a result of the material breach or material  failure by a party of a covenant
or agreement  hereunder,  such party whose  representations  and warranties were
materially  incorrect  or who  materially  breached  or  failed to  perform  its
covenant  or  agreement  shall be liable in the amount of  $500,000 to the other
party or parties hereto that are not affiliated with it; and (d) if

                  (i) such  termination is pursuant to section  11.2(c)(iii)  of
this Agreement, or if

                  (ii) this Agreement is terminated for any reason  specified in
section 11.2(b)(ii) of this Agreement and a definitive agreement with respect to
an  Alternative  Proposal  is  executed by LABN or LA Bank within one year after
such termination,  then in either case, and in addition to any amount payable or
paid under subsection (c) of this section 11.3, LABN shall be liable to NBTB for
liquidated  damages in the further  amount of  $3,000,000,  which amount will be
payable to NBTB in  immediately  available  funds within two business days after
such amount  becomes due. LABN  acknowledges  that the  agreements  contained in
subsection  (d) of this  section 11.3 are an integral  part of the  transactions
contemplated in this Agreement and that,  without these  agreements,  NBTB would
not enter into this Agreement.

     11.4. Waiver of Terms or Conditions. Any of the terms or conditions of this
Agreement,  to the extent legally permitted,  may be waived at any time prior to
the Effective Time by the party which is, or whose shareholders are, entitled to
the benefit thereof,  by action taken by that party (if an individual) or by the
board of directors of such party (if a corporation),  or by its chairman,  or by
its president;  provided that such waiver shall be in writing and shall be taken
only if, in the judgment of the party,  board of  directors,  or officer  taking
such  action,  such  waiver  will not have a  materially  adverse  effect on the
benefits  intended  hereunder  to  it or to  the  shareholders  of  its  or  his
corporation;  and the other  parties  hereto may rely on the  delivery of such a
waiver as conclusive evidence of such judgment and the validity of the waiver.

     11.5.   Amendment.   Anything   herein  or   elsewhere   to  the   contrary
notwithstanding, to the extent permitted by law, this Agreement and the exhibits
hereto may be amended,  supplemented,  or  interpreted  at any time prior to the
Effective Time by written instrument duly authorized and executed by each of the
parties hereto; provided,  however, that (except as specifically provided herein
or as may be approved by such  shareholders)  this  Agreement may not be amended
after:

         (a) the action by shareholders of LABN in any respect that would change
(i) the amount or kind of shares,  obligations,  cash, property, or rights to be
received in exchange for or on  conversion  of the LABN Common  Stock;  (ii) any
term of the certificate of  incorporation  of NBTB to be effected by the Merger;
or (iii) any of the terms and  conditions of this  Agreement if the change would
adversely

                                       45

<PAGE>

affect the shareholders of LABN, or

         (b) the action by shareholders of NBTB in any respect that would change
(i) the amount or kind of shares,  obligations,  cash, property, or rights to be
received in exchange  for the NBTB Common  Stock to be  delivered in the Merger;
(ii) any term of the certificate of  incorporation of NBTB to be effected by the
Merger; or (iii) any of the terms and conditions of this Agreement if the change
would adversely affect the shareholders of NBTB.


12.  GENERAL PROVISIONS.

     12.1. Allocation of Costs and Expenses. Except as provided in this section,
each  party  hereto  shall  pay its own fees  and  expenses,  including  without
limitation the fees and expenses of its own counsel and its own  accountants and
tax advisers,  incurred in connection  with this Agreement and the  transactions
contemplated thereby. For purposes of this section, (i) the cost of printing the
Joint Proxy Statement shall be apportioned  between NBTB and LABN based upon the
number of copies each shall  request to be printed,  (ii) the cost of delivering
the Joint Proxy  Statement and other material to be transmitted to  shareholders
of NBTB  shall be deemed  to be  incurred  on behalf of NBTB,  (iii) the cost of
delivering  the Joint Proxy  Statement and other  material to be  transmitted to
shareholders  of LABN shall be deemed to be incurred on behalf of LABN, (iv) the
cost of registering under federal and state securities laws the stock of NBTB to
be received by the shareholders of LABN shall be deemed to be incurred on behalf
of NBTB,  and (v) the cost of procuring  the tax opinion  referred to in section
3.5 of this Agreement shall be deemed to be incurred on behalf of LABN.

     12.2.  Mutual Cooperation.

         (a) Subject to the terms and  conditions  herein  provided,  each party
shall use its best efforts,  and shall  cooperate fully with the other party, in
expeditiously carrying out the provisions of this Agreement and in expeditiously
making all filings and obtaining all necessary  governmental  approvals,  and as
soon as  practicable  shall  execute and  deliver,  or cause to be executed  and
delivered,   such  governmental   notifications  and  additional  documents  and
instruments and do or cause to be done all additional things necessary,  proper,
or  advisable  under  applicable  law to  consummate  and make  effective on the
earliest practicable date the transactions contemplated hereby.

         (b) NBTB and LABN  shall  promptly  prepare  and file  with the SEC the
Joint Proxy Statement, and NBTB shall promptly prepare and file with the SEC the
Registration  Statement in which the Joint Proxy Statement will be included as a
prospectus.  NBTB  and  LABN  shall  use all  reasonable  efforts  to  have  the
Registration  Statement  declared effective under the Securities Act as promptly
as  practicable  after such filing.  Each party will supply in a timely  fashion
such information  concerning such party as shall be necessary or appropriate for
inclusion in the Joint Proxy Statement and Registration Statement.

     12.3.  Form of Public  Disclosures.  NBTB and LABN shall  mutually agree in
advance upon the form and substance of all public  disclosures  concerning  this
Agreement and the transactions

                                       46

<PAGE>

contemplated hereby.

     12.4. Confidentiality.  NBTB, LABN, and their respective subsidiaries shall
use all information  that each obtains from the other pursuant to this Agreement
solely for the effectuation of the  transactions  contemplated by this Agreement
or for other  purposes  consistent  with the intent of this  Agreement.  Neither
NBTB, LABN, nor their respective  subsidiaries shall use any of such information
for any other purpose, including,  without limitation, the competitive detriment
of any other party.  NBTB and LABN shall maintain as strictly  confidential  all
information  each of them  learns  from the other and  shall,  at any time after
termination  of this Agreement in accordance  with the terms  thereof,  upon the
request of the other, return promptly to it all documentation  provided by it or
made  available  to  third  parties.  Each  of the  parties  may  disclose  such
information to its respective affiliates,  counsel,  accountants,  tax advisers,
and  consultants,  provided  that such  parties are advised of the  confidential
nature of such  information  and agree to be bound by the terms of this  section
12.4. The confidentiality  agreement contained in this section 12.4 shall remain
operative  and in full force and effect,  and shall survive the  termination  of
this Agreement.

     12.5.  Claims of Brokers.

         (a) LABN shall indemnify, defend, and hold NBTB harmless for, from, and
against  any claim,  suit,  liability,  fees,  or expenses  (including,  without
limitation,  attorneys'  fees and costs of court)  arising  out of any claim for
brokerage commissions,  finder's fees, or similar compensation arising out of or
due to any of its acts in connection with the transactions  contemplated by this
Agreement or based upon any agreement or arrangement made by it or on its behalf
with respect to NBTB.

         (b) NBTB shall indemnify, defend, and hold LABN harmless for, from, and
against  any claim,  suit,  liability,  fees,  or expenses  (including,  without
limitation,  attorneys'  fees and costs of court)  arising  out of any claim for
brokerage commissions,  finder's fees, or similar compensation arising out of or
due to any of its acts in connection with any of the  transactions  contemplated
by this  Agreement or based upon any agreement or  arrangement  made by it or on
its behalf with respect to LABN.

     12.6.  Information for Applications and Registration Statement.

         (a) Each party represents and warrants that all information  concerning
it  which  is  included  in  any  statement  and   application   (including  the
Registration  Statement) made to any governmental  agency in connection with the
transactions  contemplated  by this  Agreement  shall not,  with respect to such
party,  contain an untrue statement of a material fact or omit any material fact
required to be stated therein or necessary to make the statements made, in light
of the  circumstances  under which they were made, not misleading.  The party so
representing and warranting will indemnify, defend, and hold harmless the other,
each of its directors and officers,  each  underwriter and each person,  if any,
who controls the other within the meaning of the  Securities  Act, for, from and
against any and all losses, claims, suits, damages,  expenses, or liabilities to
which any of them may become subject under applicable laws  (including,  but not
limited to, the Securities  Act and the Exchange Act) and rules and  regulations
thereunder and will  reimburse  them for any legal or other expenses  reasonably
incurred by them in  connection  with  investigating  or  defending  any actions
whether or not resulting in liability,

                                       47

<PAGE>

insofar as such losses, claims, damages, expenses, liabilities, or actions arise
out of or are based upon any untrue  statement or alleged untrue  statement of a
material fact contained in any such  application or statement or arise out of or
are based upon the omission or alleged omission to state therein a material fact
required to be stated  therein,  or  necessary  in order to make the  statements
therein not  misleading,  but only insofar as any such statement or omission was
made in reliance upon and in conformity with information furnished in writing by
the  representing  and warranting  party  expressly for use therein.  Each party
agrees  at any time upon the  request  of the  other to  furnish  to the other a
written letter or statement confirming the accuracy of the information contained
in any proxy statement,  registration statement, report, or other application or
statement,  and confirming that the  information  contained in such document was
furnished expressly for use therein or, if such is not the case,  indicating the
inaccuracies  contained in such document or draft or indicating the  information
not furnished  expressly for use therein.  The indemnity  agreement contained in
this  section  12.6(a)  shall  remain  operative  and in full force and  effect,
regardless  of any  investigation  made  by or on  behalf  of  any of the  other
parties, and shall survive the termination of this Agreement or the consummation
of the transactions contemplated thereby.

         (b) In  order  to  provide  for  just  and  equitable  contribution  in
circumstances in which the indemnity  agreement  contained in section 12.6(a) of
this Agreement is for any reason held by a court of competent jurisdiction to be
unenforceable as to any or every party,  then the parties in such  circumstances
shall  contribute  to the  aggregate  losses,  claims,  damages and  liabilities
(including any  investigation,  legal and other expenses  incurred in connection
with, and any amounts paid in settlement  of, any action,  suit or proceeding or
any claims asserted) to which any party may be subject in such proportion as the
court of law determines based on the relative fault of the parties.

     12.7.  Standard of Materiality and of Material Adverse Effect.

         (a) For purposes of sections 4, 6, and 7 of this  Agreement,  the terms
"material"  and  "materially,"  when  used  with  reference  to  items  normally
expressed in dollars,  shall be deemed to refer to amounts  individually  and in
the aggregate in excess of 3 percent of the  shareholders'  equity of LABN as of
June 30, 1999, as determined in accordance  with generally  accepted  accounting
principles.

         (b) For purposes of sections 5, 8, and 9 of this  Agreement,  the terms
"material"  and  "materially,"  when  used  with  reference  to  items  normally
expressed in dollars,  shall be deemed to refer to amounts  individually  and in
the aggregate in excess of 3 percent of the  shareholders'  equity of NBTB as of
June 30, 1999, as determined in accordance  with generally  accepted  accounting
principles.

         (c) For other purposes and, notwithstanding  subsections (a) and (b) of
this section 12.7, when used anywhere in this Agreement with explicit  reference
to any  of  the  federal  securities  laws  or to  the  Proxy  Statement  or the
Registration Statement, the terms "material" and "materially" shall be construed
and  understood  in  accordance  with  standards of  materiality  as  judicially
determined under the federal securities laws.

         (d) The term "Material  Adverse Effect" wherever used in this Agreement
shall mean, with respect to a person, a material adverse effect on the business,
results of operations,  financial  condition

                                       48

<PAGE>

or prospects of such person and its subsidiaries  taken as a whole or a material
adverse  effect  on  such  person's   ability  to  consummate  the  transactions
contemplated hereby on a timely basis; provided,  that, in determining whether a
Material Adverse Effect has occurred,  there shall be excluded any effect on the
referenced person the cause of which is (i) any change in banking laws, rules or
regulations of general  applicability  or  interpretations  thereof by courts or
governmental  authorities,  (ii) any  change in  generally  accepted  accounting
principles or regulatory  accounting  requirements  applicable to banks or their
holding companies generally,  (iii) any action or omission of LABN or any of its
subsidiaries  taken with the prior written consent of NBTB, or of NBTB or any of
its  subsidiaries  taken with the prior  written  consent  of LABN,  or (iv) any
changes  in  general  economic  conditions  affecting  banks  or  their  holding
companies.

     12.8.  Adjustments  for Certain  Events.  Anything in this agreement to the
contrary  notwithstanding,  all  prices  per  share,  share  amounts,  per-share
amounts,  and exchange ratios referred to in this Agreement  (including  without
limitation section 11.2(d) of this Agreement) shall be appropriately adjusted to
account   for   stock   dividends,   split-ups,   mergers,    recapitalizations,
combinations,  conversions,  exchanges of shares or the like, but not for normal
and recurring cash dividends  declared or paid in a manner  consistent  with the
established practice of the payer.

     12.9.  Counterparts.  This  Agreement  may  be  executed  in  two  or  more
counterparts  each of which shall be deemed to constitute an original,  but such
counterparts  together shall be deemed to be one and the same  instrument and to
become effective when one or more  counterparts  have been signed by each of the
parties  hereto.  It shall not be necessary in making proof of this Agreement or
any counterpart hereof to produce or account for the other counterpart.

     12.10. Entire Agreement. This Agreement sets forth the entire understanding
of the parties hereto with respect to their  commitments to each other and their
undertakings  vis-a-vis each other on the subject  matter  hereof.  Any previous
agreements or  understandings  among the parties  regarding  the subject  matter
hereof  are  merged  into and  superseded  by this  Agreement.  Nothing  in this
Agreement express or implied is intended or shall be construed to confer upon or
to give any person,  other than NBTB, LABN, and their  respective  shareholders,
any rights or remedies under or by reason of this Agreement.

     12.11. Survival of Representations,  Warranties, and Covenants. None of the
representations,  warranties,  covenants, and agreements in this Agreement or in
any instrument delivered pursuant to this Agreement (other than the Stock Option
Agreement,  the employment  agreement  described in section 4.8 hereof,  and the
change-in-control  agreements  described  in section 5.5  hereof,  each of which
shall terminate in accordance with its terms), shall survive the Effective Time,
except for sections 9.6, 12.4,  12.6,  and those other  covenants and agreements
contained  herein and  therein  which by their  terms  apply in whole or in part
after the Effective Time.

     12.12.  Section Headings.  The section and subsection  headings herein have
been inserted for  convenience  of reference  only and shall in no way modify or
restrict  any of the terms or  provisions  hereof.  Any  reference to a "person"
herein shall  include an  individual,  firm,  corporation,  partnership,  trust,
government  or  political  subdivision  or  agency or  instrumentality  thereof,
association,

                                       49

<PAGE>

unincorporated organization, or any other entity.

     12.13.  Notices.  All notices,  consents,  waivers, or other communications
which are required or permitted hereunder shall be in writing and deemed to have
been duly given if delivered personally or by messenger, transmitted by telex or
telegram,  by express courier,  or sent by registered or certified mail,  return
receipt requested, postage prepaid. All communications shall be addressed to the
appropriate address of each party as follows:

If to NBTB:

             NBT Bancorp Inc.
             52 South Broad Street
             Norwich, New York  13815

             Attention:           Mr. Daryl R. Forsythe
                                  President and Chief Executive Officer

With a required copy to:

             Brian D. Alprin, Esq.
             Duane, Morris & Heckscher LLP
             1667 K Street, N.W., Suite 700
             Washington, D.C.  20006

If to LABN or LA Bank:

             Lake Ariel Bancorp, Inc.
             409 Lackawanna Avenue, Suite 201
             Scranton, Pennsylvania 18503-2045

             Attention:           Mr. John G. Martines
                                  Chief Executive Officer

With a required copy to:

             John B. Lampi, Esq.
             Saul, Ewing, Remick & Saul LLP
             Penn National Insurance Tower
             Two North Second Street, 7th Floor
             Harrisburg, Pennsylvania   17101


             All such  notices  shall be deemed  to have been  given on the date
delivered, transmitted, or mailed in the manner provided above.

                                       50

<PAGE>

             12.14.  Choice of Law and Venue.  This Agreement  shall be governed
by,  construed,  and  enforced  in  accordance  with  the  laws of the  State of
Delaware,  without  giving effect to the  principles of conflict of law thereof,
except that the BCL (in the case of LABN) shall govern with respect to the terms
and conditions of the Merger,  the approval and effectiveness  thereof,  and the
authorization,  cancellation,  or  issuance of the stock or options of LABN with
respect  thereto.  The parties hereby designate the Chancery Court in New Castle
County,  Delaware to be the proper jurisdiction and venue for any suit or action
arising  out of  this  Agreement.  Each  of the  parties  consents  to  personal
jurisdiction  in such  venue for such a  proceeding  and  agrees  that it may be
served  with  process  in any  action  with  respect  to this  Agreement  or the
transactions  contemplated  thereby by  certified  or  registered  mail,  return
receipt  requested,  or to its  registered  agent for  service of process in the
State of Delaware.  Each of the parties irrevocably and  unconditionally  waives
and agrees,  to the fullest extent  permitted by law, not to plead any objection
that it may now or hereafter  have to the laying of venue or the  convenience of
the  forum  of any  action  or  claim  with  respect  to this  Agreement  or the
transactions contemplated thereby brought in the courts aforesaid.

             12.15.  Knowledge of a Party.  References in this  Agreement to the
knowledge  of a party shall mean the actual  knowledge  possessed by the present
executive officers of such party.

             12.16. Binding Agreement.  This Agreement shall be binding upon the
parties and their respective successors and assigns.


             IN WITNESS WHEREOF,  the parties have executed this Agreement as of
the date first above written.

                               NBT BANCORP INC.



                               By:         DARYL R. FORSYTHE
                                  ----------------------------------------------
                                           Daryl R. Forsythe
                                  President and Chief Executive Officer



                               By:         JOHN D. ROBERTS
                                  ----------------------------------------------
                                           John D. Roberts
                                  Senior Vice President and Secretary


                                       51

<PAGE>


                               LAKE ARIEL BANCORP, INC.



                               By:         JOHN G. MARTINES
                                  ----------------------------------------------
                                           John G. Martines
                                       Chief Executive Officer



                               By:         DONALD E. CHAPMAN
                                  ----------------------------------------------
                                           Donald E. Chapman
                                               Secretary

                                       52

<PAGE>

- ----------------------------------------------------------
                                                          )
State of New York                                         )
                                                          )        ss.
County of Chenango                                        )
                                                          )
- ----------------------------------------------------------

          On this sixteenth day of August,  1999, before me personally  appeared
Daryl R. Forsythe,  to me known to be the President and Chief Executive  Officer
of NBT  Bancorp  Inc.,  and John D.  Roberts,  to me known to be the Senior Vice
President  and  Secretary  of NBT  Bancorp  Inc.,  and  each  acknowledged  said
instrument to be the free and voluntary  act and deed of said  corporation,  for
the uses and  purposes  therein  mentioned,  and on oath each stated that he was
authorized to execute said instrument and that the seal affixed is the corporate
seal of said corporation.

          In Witness Whereof I have hereunto set my hand and affixed my official
seal the day and year first above written.





                      DAVID R. THELEMAN
              --------------------------------------
                        Notary Public

                       DAVID R. THELEMAN
                Notary Public, State of New York
                     Broome County, # 4940256
                Commission Expires Aug. 8, 2000

                                       53

<PAGE>




- ----------------------------------------------------------
                                                          )
Commonwealth of Pennsylvania                              )
                                                          )        ss.
County of Lackawanna                                      )
                                                          )
- ----------------------------------------------------------

          On this sixteenth day of August,  1999, before me personally  appeared
John G. Martines,  to me known to be the Chief  Executive  Officer of Lake Ariel
Bancorp,  Inc.,  and Donald E. Chapman,  to me known to be the Secretary of Lake
Ariel Bancorp,  Inc., and each  acknowledged  said instrument to be the free and
voluntary act and deed of said  corporation,  for the uses and purposes  therein
mentioned,  and on oath each  stated  that he was  authorized  to  execute  said
instrument and that the seal affixed is the corporate seal of said corporation.

          In Witness Whereof I have hereunto set my hand and affixed my official
seal the day and year first above written.





                       SUSAN MROCZKA
            ----------------------------------------
                       Notary Public

                       Notarial Seal
               Susan Mroczka, Notary Public
              Archibald Boro, Lackawanna County
             My Commission Expires Jan. 10, 2000
            ----------------------------------------
          Member, Pennsylvania Association of Notaries

                                       54

<PAGE>


           The  undersigned  members  of the Board of  Directors  of Lake  Ariel
Bancorp, Inc. ("LABN"),  acknowledging that NBT Bancorp Inc. ("NBTB") has relied
upon the action  heretofore taken by the board of directors in entering into the
Agreement,  and has required the same as a prerequisite  to NBTB's  execution of
the Agreement,  do individually and as a group agree, subject to their fiduciary
duties to  shareholders,  to support the Agreement and to recommend its adoption
by the other shareholders of LABN.

           The  undersigned do hereby,  individually  and as a group,  until the
Effective Time or  termination  of the Agreement,  further agree to refrain from
soliciting or, subject to their fiduciary duties to shareholders, negotiating or
accepting  any offer of  merger,  consolidation,  or  acquisition  of any of the
shares or all or  substantially  all of the assets of LABN or LA Bank,  National
Association.


      WILLIAM C. GUMBLE                            BRUCE D. HOWE
- --------------------------------            ---------------------------------

      KENNETH M. POLLOCK                          PETER O. CLAUSS
- --------------------------------            ---------------------------------

        PAUL D. HORGER                           DONALD E. CHAPMAN
- --------------------------------            ---------------------------------

      HARRY F. SCHOENAGEL                         JOHN G. MARTINES
- --------------------------------            ---------------------------------




                                       55


                                   EXHIBIT 2.3


                             STOCK OPTION AGREEMENT


           STOCK OPTION AGREEMENT (the  "Agreement"),  dated as of the sixteenth
day  of  August,   1999  between  NBT  Bancorp  Inc.,  a  Delaware   corporation
("Grantee"),   and  Lake  Ariel  Bancorp,   Inc.,  a  Pennsylvania   corporation
("Issuer").

                                    RECITALS

           WHEREAS,  contemporaneously  with the  execution and delivery of this
Agreement,  Grantee and Issuer have entered into an Agreement and Plan of Merger
dated as of August 16, 1999 (the "Merger Agreement"); and

           WHEREAS, as an inducement to the willingness of Grantee to enter into
the Merger  Agreement,  Grantee has  requested  that Issuer grant and Issuer has
agreed to grant Grantee the Option (as hereinafter defined).

           NOW,  THEREFORE,  in  consideration  of the  foregoing and the mutual
covenants and agreements set forth herein and in the Merger Agreement, intending
to be legally bound, the parties hereto agree as follows:

         1. Grant of Option.

                    (a)  Issuer  hereby  grants  to  Grantee  an  unconditional,
irrevocable  option (the "Option") to purchase,  subject to the terms hereof, up
to an aggregate of 965,300 fully paid and nonassessable  shares of common stock,
par value $0.21 per share, of Issuer ("Common Stock") at a price per share equal
to $11.375 (such price, as adjusted in the manner set forth herein,  the "Option
Price");  provided,  however,  that in no event  shall the  number of shares for
which  this  Option  is  exercisable  exceed  19.9  percent  of the  issued  and
outstanding  shares of Common  Stock.  The number of shares of Common Stock that
may be received upon the exercise of the Option and the Option Price are subject
to adjustment as herein set forth.

                    (b) In the event that any additional  shares of Common Stock
are issued or  otherwise  become  outstanding  after the date of this  Agreement
(other  than  pursuant  to this  Agreement  and other than  pursuant to an event
described in section 5(a) hereof),  the number of shares of Common Stock subject
to the Option  shall be  increased so that,  after such  issuance,  such number,
together  with any shares of Common Stock  previously  issued  pursuant  hereto,
equals 19.9  percent of the number of shares  subject or issued  pursuant to the
Option.  Nothing  contained in this section 1(b) or elsewhere in this  Agreement
shall be deemed to authorize  Issuer to issue shares in breach of any  provision
of the Merger Agreement.

                                       1

<PAGE>


         2. Exercise of Option.

                    (a) The Holder (as  hereinafter  defined)  may  exercise the
Option, in whole or part, at any time after the occurrence of a Triggering Event
(as  hereinafter  defined),  provided  that such  Triggering  Event  shall  have
occurred  prior  to  the  occurrence  of  an  Exercise   Termination  Event  (as
hereinafter  defined),  and  provided  further  that  the  date of the  Holder's
exercise of the Option precedes the occurrence of an Exercise Termination Event.
Each of the following shall be an "Exercise  Termination  Event": (i) occurrence
of the Effective  Time (as such term is defined in the Merger  Agreement);  (ii)
termination of the Merger  Agreement in accordance  with the provisions  thereof
except (each of the following exceptions being hereinafter collectively referred
to as an "Excepted  Termination")  a termination by Grantee  pursuant to section
11.2(b)  of the Merger  Agreement  as a result of a breach by Issuer of the type
described in such  provision,  or a  termination  by Issuer  pursuant to section
11.2(c)(iii) of the Merger Agreement; or (iii) the passage of 18 months (or such
longer period as provided in section 10) after an Excepted Termination. The term
"Holder" shall mean the holder or holders of the Option.

                    (b)  The  term  "Triggering  Event"  shall  mean  any of the
following events or transactions occurring on or after the date hereof:

                            (i)  Issuer or LA Bank,  National  Association  (the
"Bank  Subsidiary"),  without having received  Grantee's prior written  consent,
shall have entered into an agreement to engage in an Acquisition Transaction (as
defined below) with any person (the term "person" for purposes of this Agreement
having the  meaning  assigned  thereto in sections  3(a)(9) and  13(d)(3) of the
Securities  Exchange Act of 1934, as amended (the "Exchange Act"), and the rules
and regulations  thereunder) other than Grantee or any of its subsidiaries (each
a  "Grantee  Subsidiary"),  or the Board of  Directors  of Issuer  (the  "Issuer
Board") or of the Bank Subsidiary  shall have  recommended that the shareholders
of  Issuer  approve  or  accept  any  Acquisition   Transaction  other  than  as
contemplated by the Merger Agreement;

                            (ii)  Any  person  other  than  the  Grantee  or any
Grantee  Subsidiary  shall have  acquired  beneficial  ownership or the right to
acquire beneficial  ownership of 10 percent or more of the outstanding shares of
Common Stock (the term  "beneficial  ownership"  for purposes of this  Agreement
having the meaning assigned thereto in section 13(d) of the Exchange Act and the
rules  and  regulations  thereunder),  or, to the  extent  any such  person  has
currently  acquired  beneficial  ownership  or the right to  acquire  beneficial
ownership of 10 percent or more of the outstanding  shares of Common Stock, such
person  shall  have  acquired  beneficial  ownership  or the  right  to  acquire
beneficial ownership of any additional shares of Common Stock;

                            (iii) The shareholders of Issuer shall have voted on
and failed to approve the Merger  Agreement at a meeting which has been held for
that purpose or any adjournment or postponement  thereof,  or such meeting shall
not have been held in  violation  of the  Merger  Agreement  or shall  have been
canceled prior to termination of the Merger  Agreement if, prior to such meeting
(or if such meeting shall not have been held or shall have been canceled,  prior
to such  termination),  it shall have been  publicly  announced  that any person
(other  than  Grantee  or any  Grantee  Subsidiary)  shall

                                       2

<PAGE>

have made a bona fide proposal to engage in an Acquisition Transaction;

                            (iv)  The  Issuer  Board  shall  have  withdrawn  or
modified  (or  publicly  announced  its  intention to withdraw or modify) in any
manner adverse to Grantee its  recommendation  that the  shareholders  of Issuer
approve the transactions  contemplated by the Merger Agreement, or Issuer or the
Bank  Subsidiary  shall have  authorized,  recommended  or proposed (or publicly
announced  its  intention  to  authorize,  recommend or propose) an agreement to
engage in an Acquisition  Transaction  with any person other than Grantee or any
Grantee Subsidiary;

                            (v) Any  person  other than  Grantee or any  Grantee
Subsidiary shall have made a bona fide proposal to Issuer or its shareholders to
engage in an Acquisition  Transaction and such proposal shall have been publicly
announced;

                            (vi) Any person  other than  Grantee or any  Grantee
Subsidiary shall have filed with the Securities and Exchange  Commission ("SEC")
a registration  statement or tender offer  materials with respect to a potential
exchange or tender offer that would constitute an Acquisition Transaction;

                            (vii)  Issuer  shall have  breached  any covenant or
obligation  contained in the Merger  Agreement in anticipation of engaging in an
Acquisition  Transaction  with  any  person  other  than  Grantee  or a  Grantee
Subsidiary,  and following  such breach,  Grantee would be entitled to terminate
the Merger Agreement pursuant to section 11.2(b) of the Merger Agreement; or

                            (viii) any person  other than Grantee or any Grantee
Subsidiary shall have filed an application or notice with the Board of Governors
of the Federal  Reserve  System (the "Board of  Governors")  or other federal or
state bank regulatory or antitrust  authority,  which  application or notice has
been  accepted  for  processing,  for  approval  to  engage  in  an  Acquisition
Transaction.

                    (c)  The  term  "Acquisition  Transaction"  shall  mean  any
transaction  under which a person  proposes to or will acquire a majority of the
stock of, merge or consolidate  with, or acquire all or substantially all of the
assets  of the  Issuer  or the  Bank  Subsidiary,  or  otherwise  engage  in any
substantially similar transaction with the Issuer or the Bank Subsidiary.

                    (d) Issuer shall notify Grantee in writing of the occurrence
of any Triggering Event promptly after becoming aware of the occurrence thereof,
it being  understood  that the  giving of such  notice by Issuer  shall not be a
condition to the right of the Holder to exercise the Option.

                    (e) In the event that the Holder is  entitled  to and wishes
to  exercise  the Option  (or any  portion  thereof),  it shall send to Issuer a
written notice (the date of which being herein referred to as the "Notice Date")
specifying  (i) the total  number of shares it will  purchase  pursuant  to such
exercise  and (ii) a place and date not  earlier  than three  business  days nor
later  than 60  business  days  from the  Notice  Date for the  closing  of such
purchase (the "Closing"); provided, that if prior notification to or approval of
the Board of Governors  or any other  federal or state  regulatory  or antitrust
authority  is  required  in  connection  with such  purchase,  the Holder  shall
promptly file the required  notice or

                                       3

<PAGE>

application for approval, shall promptly notify Issuer of such filing, and shall
expeditiously  process the same, and the period of time that otherwise would run
pursuant to this sentence  shall run instead from the date on which any required
notification periods have expired or been terminated or such approval shall have
been obtained and any requisite waiting period or periods shall have passed. Any
exercise  of the  Option  shall be deemed to occur on the Notice  Date  relating
thereto.

                    (f) At the Closing,  the Holder shall (i) pay the Issuer the
aggregate  purchase price for the shares of Common Stock  purchased  pursuant to
the exercise of the Option in immediately  available funds by wire transfer to a
bank account  designated by Issuer and (ii) present and surrender this Agreement
to Issuer at its  principal  executive  offices,  provided  that the  failure or
refusal of the Issuer to designate  such a bank  account or accept  surrender of
this Agreement shall not preclude the Holder from exercising the Option.

                    (g) At any  Closing,  simultaneously  with the  delivery  of
immediately  available  funds as provided in  subsection  (f) of this section 2,
Issuer shall deliver to the Holder a certificate  or  certificates  representing
the number of shares of Common Stock  purchased by the Holder and, if the Option
shall have been  exercised in part only, a new Option  evidencing  the rights of
the Holder thereof to purchase the balance of the shares purchasable  hereunder.
Certificates  for shares of Common Stock purchased by the Holder hereunder shall
be  delivered  by  Issuer  free and  clear of all  liens,  claims,  charges  and
encumbrances of any kind, and shall be in such  denominations  and in such names
designated by the Holder.

                    (h)  Certificates  for Common  Stock  delivered at a Closing
hereunder  may  be  endorsed   with  a   restrictive   legend  that  shall  read
substantially as follows:

         "The transfer of the shares  represented by this certificate
         is subject to certain  provisions of an agreement,  dated as
         of August 16, 1999, between the registered holder hereof and
         Issuer  and  to  resale   restrictions   arising  under  the
         Securities Act of 1933, as amended. A copy of such agreement
         is on file at the  principal  office of  Issuer  and will be
         provided to the holder hereof without charge upon receipt by
         Issuer of a written request therefor."

It is understood and agreed that (i) the reference to the resale restrictions of
the  Securities  Act of 1933, as amended (the  "Securities  Act"),  in the above
legend shall be removed by delivery of  substitute  certificate(s)  without such
reference  if the Holder or any Owner (as  defined  below),  as the case may be,
shall have  delivered to Issuer a copy of a letter from the staff of the SEC, or
an opinion of counsel, in form and substance reasonably  satisfactory to Issuer,
to the effect that such legend is not required  for  purposes of the  Securities
Act; (ii) the reference to the  provisions of this Agreement in the above legend
shall be removed by delivery of substitute certificate(s) without such reference
if the shares have been sold or transferred in compliance with the provisions of
this Agreement and under circumstances that do not require the retention of such
references in the  reasonable  opinion of counsel to the Holder or any Owner (as
defined below), as the case may be; and (iii) the legend shall be removed in its
entirety  if the  conditions  in the  preceding  clauses  (i) and  (ii) are both
satisfied.  In addition, such

                                       4

<PAGE>


certificates shall bear any other legend as may be required by law.

                    (i) Upon the giving by the  Holder to Issuer of the  written
notice of  exercise  of the Option  provided  for under  subsection  (e) of this
section  2 and the  tender  of the  applicable  purchase  price  in  immediately
available  funds,  the Holder  shall be deemed to be the holder of record of the
shares of Common Stock  issuable upon such  exercise,  notwithstanding  that the
stock  transfer  books of  Issuer  shall  then be  closed  or that  certificates
representing such shares of Common Stock shall not then be actually delivered to
the Holder.  Issuer shall pay all expenses,  and any and all federal,  state and
local taxes and other charges that may be payable in connection with the initial
preparation,  issue and delivery of stock  certificates  under this section 2 in
the name of the Holder or its assignee, transferee or designee.

         3. Covenants of Issuer.

           Issuer  agrees:  (i) that it shall at all times  maintain,  free from
preemptive  rights,  sufficient  authorized  but unissued or treasury  shares of
Common   Stock  so  that  the  Option  may  be  exercised   without   additional
authorization  of  Common  Stock  after  giving  effect  to all  other  options,
warrants, convertible securities and other rights to purchase Common Stock; (ii)
that it will not, by charter amendment or through reorganization, consolidation,
merger,  dissolution or sale of assets,  or by any other voluntary act, avoid or
seek  to  avoid  the   observance  of  performance  of  any  of  the  covenants,
stipulations  or conditions to be observed or performed  hereunder by Issuer (it
being  agreed  that this clause (ii) shall not be deemed to prohibit or restrict
Issuer from engaging in one or more  transactions  contemplated  by section 8(a)
hereof  if the  provisions  of  section  8  hereof  shall  be  complied  with in
connection with each such transaction); (iii) promptly to take all action as may
from time to time be  required  (including  (x)  complying  with all  applicable
premerger  notification,  reporting and waiting period requirements specified in
15 U.S.C.  section 18a and  regulations  promulgated  thereunder  and (y) in the
event that, under the Bank Holding Company Act of 1956, as amended, or any other
applicable  federal or state  banking  law,  prior  notice to or approval of the
Board of  Governors  or any  other  federal  or state  regulatory  authority  is
necessary before the Option may be exercised,  cooperating fully with the Holder
in preparing such  applications or notices and providing such information to the
Board of Governors or such other federal or state  regulatory  authority as they
may  require)  in order to permit the Holder to  exercise  the Option and Issuer
duly and effectively to issue shares of Common Stock pursuant  hereto;  and (iv)
promptly to take all action  provided  in sections 5 and 8 as and when  required
pursuant to such sections.

         4. Exchangeability.

           This  Agreement  (and the Option  granted  hereby) are  exchangeable,
without expense, at the option of the Holder, upon presentation and surrender of
this Agreement at the principal office of Issuer, for other Agreements providing
for Options of different denominations entitling the Holder thereof to purchase,
on the same terms and subject to the same conditions as are set forth herein, in
the aggregate the same number of shares of Common Stock  purchasable  hereunder.
The terms  "Agreement"  and "Option" as used herein  include any  Agreements and
related  Options for which this Agreement (and the Option granted hereby) may be
exchanged.  Upon receipt by Issuer of evidence

                                       5

<PAGE>

reasonably  satisfactory to it of the loss, theft,  destruction or mutilation of
this  Agreement,  and (in the case of loss,  theft or destruction) of reasonably
satisfactory  indemnification,  and  upon  surrender  and  cancellation  of this
Agreement, if mutilated, Issuer will execute and deliver a new Agreement of like
tenor and date in  substitution  for the lost,  stolen,  destroyed  or mutilated
Agreement.

         5. Adjustment.

           In addition to the adjustment in the number of shares of Common Stock
that are  purchasable  upon exercise of the Option pursuant to section 1 of this
Agreement, the number of shares of Common Stock purchasable upon exercise of the
Option and the Option Price shall be subject to adjustment  from time to time as
provided in this section 5.

                    (a) In the  event of any  change  in,  or  distributions  in
respect of, the Common Stock by reason of stock dividends,  split-ups,  mergers,
recapitalizations,  reclassifications,  combinations, subdivisions, exchanges of
shares or the like,  the type and number of shares of Common  Stock  purchasable
upon exercise hereof shall be appropriately  adjusted and proper provision shall
be made so that, in the event that the number of shares of Common Stock that are
issued or issuable is to be increased or  decreased  (other than  pursuant to an
exercise  of the  Option),  the  number of shares of Common  Stock  that  remain
subject to the Option shall be increased  or  decreased,  as the case may be, so
that,  after such issuance and together  with shares of Common Stock  previously
issued  pursuant to the exercise of the Option (as adjusted on account of any of
the foregoing changes in the Common Stock), such number is equal to 19.9 percent
of the number of shares of Common Stock then issued and outstanding.

                    (b)   Whenever   the  number  of  shares  of  Common   Stock
purchasable  upon exercise hereof is adjusted as provided in this section 5, the
Option Price shall be adjusted by multiplying the Option Price immediately prior
to the  adjustment  by a fraction,  the numerator of which shall be equal to the
number of shares of Common Stock  purchasable  prior to the  adjustment  and the
denominator  of which  shall be equal to the  number of  shares of Common  Stock
purchasable after the adjustment.

         6. Registration of Option Shares.

           Upon the occurrence of the first  Triggering  Event that occurs prior
to an  Exercise  Termination  Event,  Issuer  shall,  at the  request of Grantee
delivered from time to time (but not more frequently than once every six months)
after  such  Triggering  Event  (whether  on its own  behalf or on behalf of any
subsequent  Holder of this  Option (or part  thereof)  or any Owner (as  defined
below) of any of the shares of Common Stock issued  pursuant  hereto),  promptly
prepare, file and keep current a registration statement under the Securities Act
covering any shares  issued and  issuable  pursuant to this Option and shall use
its  reasonable  best  efforts to cause such  registration  statement  to become
effective and remain current in order to permit the sale or other disposition of
any shares of Common Stock issued upon total or partial  exercise of this Option
("Option  Shares")  in  accordance  with any plan of  disposition  requested  by
Grantee.  Issuer will use its reasonable best efforts to cause such registration
statement  promptly to become  effective  and then to remain  effective for such
period not in excess of 180 days from the day such registration  statement first
becomes effective or such shorter time as may be reasonably  necessary

                                       6

<PAGE>

to effect  such  sales or other  dispositions.  Grantee  shall have the right to
demand no more than two such  registrations.  Issuer shall bear the cost of such
registrations (including, but not limited to, Issuer's attorneys' fees, printing
costs and  filing  fees),  except for  underwriting  discounts  or  commissions,
brokers'  fees and the fees  and  disbursements  of  Grantee's  counsel  related
thereto.  The  foregoing  notwithstanding,  if,  at the time of any  request  by
Grantee  for  registration  of Option  Shares as  provided  above,  Issuer is in
registration with respect to an underwritten public offering by Issuer of shares
of Common Stock,  and if in the good faith judgment of the managing  underwriter
or managing underwriters,  or, if none, the sole underwriter or underwriters, of
such offering the offer and sale of the Option Shares would  interfere  with the
successful marketing of the shares of Common Stock offered by Issuer, the number
of  Option  Shares  otherwise  to  be  covered  in  the  registration  statement
contemplated  hereby  may be  reduced,  provided,  however,  that after any such
required  reduction  the number of Option Shares to be included in such offering
for the account of the Holder shall  constitute at least 25 percent of the total
number of shares to be sold by Holder and Issuer in the aggregate;  and provided
further,  however,  that if such  reduction  occurs,  then  Issuer  shall file a
registration  statement for the balance as promptly as practicable thereafter as
to which no reduction pursuant to this section 6 shall be permitted or occur and
the Holder shall  thereafter be entitled to one  additional  registration.  Each
such Holder shall  provide all  information  reasonably  requested by Issuer for
inclusion in any registration  statement to be filed hereunder.  If requested by
any such Holder in  connection  with such  registration,  Issuer  shall become a
party to any  underwriting  agreement  relating to the sale of such shares,  but
only  to  the  extent  of  obligating  itself  in  respect  of  representations,
warranties,  indemnities  and  other  agreements  customarily  included  in such
underwriting  agreements  for Issuer.  Upon  receiving  any  request  under this
section 6 from any  Holder,  Issuer  agrees to send a copy  thereof to any other
person known to Issuer to be entitled to registration  rights under this section
6, in each case by promptly mailing the same, postage prepaid, to the address of
record of the persons entitled to receive such copies.  Notwithstanding anything
to the contrary  contained herein, in no event shall the number of registrations
that Issuer is obligated to effect be increased by reason of the fact that there
shall be more than one Holder as a result of any  assignment or division of this
Agreement.

         7. Option Repurchase.

                    (a) At any time after the  occurrence of a Repurchase  Event
(as defined  below),  (i) at the request of the  Holder,  delivered  prior to an
Exercise  Termination  Event (or such later  period as provided in section  10),
Issuer (or any successor thereto) shall repurchase the Option from the Holder at
a price (the  "Option  Repurchase  Price")  equal to the amount by which (A) the
Market/Offer  Price (as defined below) exceeds (B) the Option Price,  multiplied
by the number of shares for which this Option may then be exercised  and (ii) at
the  request  of the owner of  Option  Shares  from time to time (the  "Owner"),
delivered  prior to an  Exercise  Termination  Event  (or such  later  period as
provided in section 10), Issuer (or any successor thereto) shall repurchase such
number of the Option  Shares  from the Owner as the Owner shall  designate  at a
price (the "Option  Share  Repurchase  Price") equal to the  Market/Offer  Price
multiplied by the number of Option Shares so designated.  The term "Market/Offer
Price" shall mean the highest of (i) the highest price per share of Common Stock
paid by any person that acquires  beneficial  ownership of 50 percent or more of
the then outstanding  Common Stock,  (ii) the price per share of Common Stock to
be paid by any third party  pursuant to an  agreement  with Issuer  entered into
after the date  hereof  and  prior to the date the  Holder  gives  notice of the
required  repurchase

                                       7

<PAGE>

of this Option or the Owner gives  notice of the required  repurchase  of Option
Shares, as the case may be, (iii) the highest closing price for shares of Common
Stock within the  six-month  period  immediately  preceding  the date the Holder
gives notice of the required repurchase of this Option or the Owner gives notice
of the required  repurchase of Option Shares, as the case may be, or (iv) in the
event  of a sale  of all  or any  substantial  part  of  the  Issuer's  or  Bank
Subsidiary's  assets or deposits,  the sum of the net price paid in such sale of
such assets or deposits and the current market value of the remaining net assets
of  Issuer  or  Issuer  Subsidiary  as  determined  by a  nationally  recognized
investment banking firm selected by the Holder or the Owner, as the case may be,
and reasonably  acceptable to Issuer,  divided by the number of shares of Common
Stock of Issuer  outstanding at the time of such sale on a fully-diluted  basis.
In determining the Market/Offer  Price,  the value of  consideration  other than
cash shall be  determined  by a nationally  recognized  investment  banking firm
selected by the Holder or Owner,  as the case may be, and reasonably  acceptable
to Issuer.

                    (b) The  Holder  or any  Owner,  as the  case  may  be,  may
exercise  its right to  require  Issuer to  repurchase  the Option or any Option
Shares pursuant to this section 7 by surrendering for such purpose to Issuer, at
its  principal  office,  a copy of this  Agreement  or  certificates  for Option
Shares,  as applicable,  accompanied by a written notice or notices stating that
the  Holder  or the  Owner,  as the case may be,  elects  to  require  Issuer to
repurchase  this  Option  and/or  the  Option  Shares  in  accordance  with  the
provisions  of this  section 7. As  promptly  as  practicable,  and in any event
within five business days after the surrender of the Option and/or  certificates
representing  Option  Shares and the receipt of such notice or notices  relating
thereto,  Issuer shall deliver or cause to be delivered to the Holder the Option
Repurchase  Price and/or to the Owner the Option Share Repurchase Price therefor
or the portion thereof that Issuer is not then prohibited  under applicable law,
regulation and administrative policy from so delivering.

                    (c) To the extent that Issuer is prohibited under applicable
law  or  regulation,   or  as  a  consequence  of  administrative  policy,  from
repurchasing  the  Option  and/or  the  Option  Shares  in  full,  Issuer  shall
immediately  so notify the Holder  and/or  the Owner and  thereafter  deliver or
cause to be delivered,  from time to time,  to the Holder  and/or the Owner,  as
appropriate,  the portion of the Option  Repurchase  Price and the Option  Share
Repurchase Price, respectively, that it is no longer prohibited from delivering,
within  five  business  days  after  the date on which  Issuer  is no  longer so
prohibited;  provided,  however,  that if Issuer at any time after delivery of a
notice of  repurchase  pursuant to paragraph (b) of this section 7 is prohibited
under  applicable  law or  regulation,  or as a  consequence  of  administrative
policy,  from  delivering to the Holder and/or the Owner,  as  appropriate,  the
Option Repurchase Price and the Option Share Repurchase Price, respectively,  in
full (and Issuer hereby  undertakes to use its reasonable best efforts to obtain
all required  regulatory and legal approvals and to file any required notices as
promptly as practicable in order to accomplish each such repurchase), the Holder
or Owner may revoke its notice of repurchase of the Option and/or Option Shares,
either in whole or to the  extent  of the  prohibition.  If the  Holder or Owner
revokes its notice of  repurchase  of the Option and/or the Option Shares in its
entirety,  Issuer  shall  promptly  deliver to the Holder  and/or the Owner,  as
appropriate,  all  documents  delivered to the Issuer by the Holder and/or Owner
under paragraph (b) of this section 7. If the Holder or Owner revokes its notice
of  repurchase  of  the  Option  and/or  Option  Shares  to  the  extent  of the
prohibition to which the Issuer is subject, Issuer shall promptly (i) deliver to
the  Holder  and/or  the  Owner,  as  appropriate,  that  portion  of the Option

                                       8

<PAGE>

Repurchase  Price  and/or the Option Share  Repurchase  Price that Issuer is not
prohibited from delivering, and (ii) deliver, as appropriate,  either (A) to the
Holder,  a new  Agreement  evidencing  the right of the Holder to purchase  that
number of shares of Common Stock obtained by multiplying the number of shares of
Common Stock for which the surrendered  Agreement was exercisable at the time of
delivery of the notice of  repurchase  by a fraction,  the numerator of which is
the Option  Repurchase Price less the portion thereof  theretofore  delivered to
the Holder and the  denominator of which is the Option  Repurchase  Price and/or
(B) to the Owner,  a certificate  for the Option Shares it is then so prohibited
from repurchasing. If an Exercise Termination Event shall have occurred prior to
the date of the  notice  by  Issuer  described  in the  first  sentence  of this
subsection (c), or shall be scheduled to occur at any time before the expiration
of a period  ending on the  thirtieth  day after  such date,  the  Holder  shall
nonetheless  have the right to exercise the Option until the  expiration of such
30-day period.

                    (d) For  purposes of this  section 7, a  "Repurchase  Event"
shall be deemed to have  occurred  upon the  occurrence  of any of the following
events or transactions after the date hereof:

                            (i)  the  acquisition  by  any  person  (other  than
Grantee or any Grantee Subsidiary) of beneficial ownership of 50 percent or more
of the then outstanding Common Stock; or

                            (ii) the consummation of any Acquisition Transaction
by any person other than Grantee or any Grantee Subsidiary.

         8. Conversion or Exchange of Option.

                    (a) In the  event  that,  prior to an  Exercise  Termination
Event,  Issuer  or  Bank  Subsidiary  shall  enter  into  an  agreement  (i)  to
consolidate  with or merge  into any  person,  other  than  Grantee or a Grantee
Subsidiary,  or engage in a plan of exchange with any person, other than Grantee
or a Grantee  Subsidiary,  and  Issuer or the Bank  Subsidiary  shall not be the
continuing  or  surviving  corporation  of such  consolidation  or merger or the
acquirer in such plan of exchange, (ii) to permit any person, other than Grantee
or a Grantee  Subsidiary,  to merge  into  Issuer or the Bank  Subsidiary  or be
acquired by Issuer or the Bank  Subsidiary  in a plan of exchange  and Issuer or
the  Bank  Subsidiary   shall  be  the  continuing  or  surviving  or  acquiring
corporation,  but, in connection with such merger or plan of exchange,  the then
outstanding  shares of Common Stock shall be changed into or exchanged for stock
or other  securities  of any other  person or cash or any other  property or the
then  outstanding  shares of Common  Stock  shall  after such  merger or plan of
exchange  represent  less than 50  percent of the  outstanding  shares and share
equivalents  of the merged or acquiring  company,  or (iii) to sell or otherwise
transfer  all or  substantially  all of the  Issuer's  or the Bank  Subsidiary's
assets or deposits to any person,  other than  Grantee or a Grantee  Subsidiary,
then, and in each such case, the agreement governing such transaction shall make
proper  provision so that the Option shall,  upon the  consummation  of any such
transaction  and upon the terms and  conditions  set forth herein,  be converted
into, or exchanged for, an option (the "Substitute  Option"), at the election of
the Holder, of either (x) the Acquiring Corporation (as hereinafter defined), or
(y) any person that controls the Acquiring Corporation.

                                       9

<PAGE>


                    (b)     The following terms have the meanings indicated:

                            (i)  "Acquiring  Corporation"  shall  mean  (i)  the
continuing or surviving  person of a consolidation  or merger with Issuer or the
Bank  Subsidiary  (if  other  than  Issuer  or the  Bank  Subsidiary),  (ii) the
acquiring  person in a plan of exchange in which  Issuer or Bank  Subsidiary  is
acquired,  (iii)  the  Issuer  or the Bank  Subsidiary  in a  merger  or plan of
exchange in which Issuer or the Bank  Subsidiary is the  continuing or surviving
or acquiring  person,  and (iv) the  transferee of all or  substantially  all of
Issuer's or the Bank Subsidiary's assets or deposits.

                            (ii) "Substitute Common Stock" shall mean the common
stock  issued by the  issuer  of the  Substitute  Option  upon  exercise  of the
Substitute Option.

                            (iii) "Assigned  Value" shall mean the  Market/Offer
Price, as defined in section 7.

                            (iv) "Average  Price" shall mean the average closing
price  of a share  of the  Substitute  Common  Stock  for one  year  immediately
preceding the consolidation, merger or sale in question; provided that if Issuer
is the issuer of the Substitute Option, the Average Price shall be computed with
respect to a share of common stock  issued by the person  merging into Issuer or
the Bank  Subsidiary or by any company  which  controls or is controlled by such
person, as the Holder may elect.

                    (c) The  Substitute  Option shall have the same terms as the
Option,  provided that if the terms of the Substitute  Option cannot,  for legal
reasons,  be the same as the Option,  such terms shall be as similar as possible
and in no event less  advantageous  to the Holder.  The issuer of the Substitute
Option shall also enter into an agreement with the then Holder or Holders of the
Substitute Option in substantially the same form as this Agreement (after giving
effect for such purpose to the provisions of section 9), which  agreement  shall
be applicable to the Substitute Option.

                    (d) The  Substitute  Option  shall be  exercisable  for such
number of shares of  Substitute  Common Stock as is equal to the Assigned  Value
multiplied  by the  number of shares of Common  Stock for which the  Option  was
exercisable  immediately  prior to the event  described in the first sentence of
section 8(a), divided by the Average Price. The exercise price of the Substitute
Option per share of  Substitute  Common  Stock shall then be equal to the Option
Price  multiplied  by a fraction,  the numerator of which shall be the number of
shares of Common Stock for which the Option was exercisable immediately prior to
the event described in the first sentence of section 8(a) and the denominator of
which  shall be the number of shares of  Substitute  Common  Stock for which the
Substitute Option is exercisable.

                    (e)  In  no  event,   pursuant  to  any  of  the   foregoing
paragraphs,  shall  the  Substitute  Option  be  exercisable  for more than 19.9
percent of the shares of Substitute  Common Stock  outstanding prior to exercise
of the  Substitute  Option.  In the event that the  Substitute  Option  would be
exercisable for more than the maximum number of the shares of Substitute  Common
Stock permitted by the preceding sentence but for this clause (e), the issuer of
the Substitute Option (the "Substitute Option Issuer") shall make a cash payment
to Holder equal to the excess of (i) the value of

                                       10

<PAGE>

the Substitute Option without giving effect to the limitation in this clause (e)
over  (ii)  the  value of the  Substitute  Option  after  giving  effect  to the
limitation in this clause (e). This difference in value shall be determined by a
nationally  recognized  investment  banking  firm  selected  by the  Holder  and
reasonably acceptable to the Issuer.

                    (f) Issuer shall not enter into any transaction described in
subsection (a) of this section 8 unless the Acquiring Corporation and any person
that controls the Acquiring Corporation assume in writing all the obligations of
Issuer hereunder.

         9. Substitute Option Repurchase.

                    (a) At the  request of the holder of the  Substitute  Option
(the "Substitute Option Holder"),  the Substitute Option Issuer shall repurchase
the  Substitute  Option  from  the  Substitute  Option  Holder  at a price  (the
"Substitute  Option  Repurchase  Price")  equal to the  amount  by which (i) the
Highest Closing Price (as hereinafter  defined)  exceeds (ii) the exercise price
of the  Substitute  Option,  multiplied  by the  number of shares of  Substitute
Common Stock for which the Substitute  Option may then be exercised,  and at the
request  of the owner (the  "Substitute  Share  Owner") of shares of  Substitute
Common Stock (the  "Substitute  Shares"),  the  Substitute  Option  Issuer shall
repurchase the Substitute  Shares at a price (the  "Substitute  Share Repurchase
Price")  equal  to  the  Highest  Closing  Price  multiplied  by the  number  of
Substitute Shares so designated. The term "Highest Closing Price" shall mean the
highest closing price for shares of Substitute Common Stock within the six-month
period immediately  preceding the date the Substitute Option Holder gives notice
of the required  repurchase of the  Substitute  Option or the  Substitute  Share
Owner  gives  notice  of  the  required  repurchase  of  Substitute  Shares,  as
applicable.

                    (b) The  Substitute  Option Holder or any  Substitute  Share
Owner,  as the case may be, may  exercise its  respective  rights to require the
Substitute  Option Issuer to repurchase the Substitute  Option or any Substitute
Shares  pursuant  to this  section 9 by  surrendering  for such  purpose  to the
Substitute  Option  Issuer,  at its  principal  office,  the  agreement for such
Substitute  Option  (or in the  absence  of  such an  agreement,  a copy of this
Agreement) and/or  certificates for Substitute  Shares  accompanied by a written
notice or notices  stating that the  Substitute  Option Holder or the Substitute
Share Owner, as the case may be, elects to require the Substitute  Option Issuer
to repurchase the Substitute  Option and/or the Substitute  Shares in accordance
with the  provisions of this section 9. As promptly as  practicable,  and in any
event within five  business days after the  surrender of the  Substitute  Option
and/or  certificates  representing  Substitute  Shares  and the  receipt of such
notice of notices relating  thereto,  the Substitute Option Issuer shall deliver
or cause to be delivered to the Substitute  Option Holder the Substitute  Option
Repurchase  Price  and/or to the  Substitute  Share Owner the  Substitute  Share
Repurchase  Price therefor or the portion  thereof which the  Substitute  Option
Issuer  is  not  then   prohibited   under   applicable   law,   regulation  and
administrative policy from so delivering.

                    (c) To the  extent  that the  Substitute  Option  Issuer  is
prohibited  under  applicable  law  or  regulation,   or  as  a  consequence  of
administrative  policy,  from  repurchasing  the  Substitute  Option  and/or the
Substitute  Shares in full,  the Substitute  Option Issuer shall  immediately so
notify the  Substitute  Option  Holder  and/or the  Substitute  Share  Owner and
thereafter  deliver  or  cause  to be

                                       11

<PAGE>

delivered,  from  time to time,  to the  Substitute  Option  Holder  and/or  the
Substitute  Share Owner,  as appropriate,  the portion of the Substitute  Option
Repurchase  Price and/or the Substitute Share  Repurchase  Price,  respectively,
which it is no longer  prohibited  from  delivering,  within five  business days
after the date on which the Substitute Option Issuer is no longer so prohibited;
provided,  however,  that if the  Substitute  Option Issuer is at any time after
delivery of a notice of  repurchase  pursuant to paragraph (b) of this section 9
prohibited  under  applicable  law  or  regulation,   or  as  a  consequence  of
administrative  policy,  from delivering to the Substitute  Option Holder and/or
the Substitute  Share Owner, as appropriate,  the Substitute  Option  Repurchase
Price and the Substitute Share Repurchase Price, respectively,  in full (and the
Substitute Option Issuer hereby undertakes to use its reasonable best efforts to
obtain all  required  regulatory  and legal  approvals  and to file any required
notices as promptly as practicable in order to accomplish such repurchase),  the
Substitute  Option Holder and/or Substitute Share Owner may revoke its notice of
repurchase of the Substitute Option or Substitute Shares,  either in whole or to
the extent of the  prohibition.  If the  Substitute  Option Holder or Substitute
Share Owner  revokes its notice of repurchase  of the  Substitute  Option and/or
Substitute  Shares in its entirety,  the Substitute Option Issuer shall promptly
deliver to the Substitute  Option Holder and/or the Substitute  Share Owner,  as
appropriate,  all  documents  delivered to the  Substitute  Option Issuer by the
Substitute  Option Holder or the Substitute  Share Owner under  paragraph (b) of
this Paragraph 9. If the Substitute  Option Holder or the Substitute Share Owner
revokes its notice of repurchase of the Substitute  Option and/or the Substitute
Shares to the extent of the prohibition to which the Substitute Option Issuer is
subject,  the  Substitute  Option  Issuer  shall  promptly  (i)  deliver  to the
Substitute  Option Holder or the Substitute  Share Owner, as  appropriate,  that
portion  of the  Substitute  Option  Repurchase  Price or the  Substitute  Share
Repurchase  Price  that the  Substitute  Option  Issuer is not  prohibited  from
delivering,  and (ii)  deliver,  as  appropriate,  either (A) to the  Substitute
Option Holder,  a new Substitute  Option  evidencing the right of the Substitute
Option Holder to purchase that number of shares of the  Substitute  Common Stock
obtained by  multiplying  the number of shares of  Substitute  Common  Stock for
which the surrendered  Substitute Option was exercisable at the time of delivery
of the  notice  of  repurchase  by a  fraction,  the  numerator  of which is the
Substitute  Option  Repurchase  Price  less  the  portion  thereof   theretofore
delivered to the  Substitute  Option Holder and the  denominator of which is the
Substitute  Option  Repurchase Price and/or (B) to the Substitute Share Owner, a
certificate  for the  Substitute  Option  Shares it is then so  prohibited  from
repurchasing.  If an Exercise Termination Event shall have occurred prior to the
date of the  notice  by the  Substitute  Option  Issuer  described  in the first
sentence  of this  subsection  (c), or shall be  scheduled  to occur at any time
before the  expiration  of a period ending on the thirtieth day after such date,
the Substitute  Option Holder shall  nevertheless have the right to exercise the
Substitute Option until the expiration of such 30-day period.

         10. Extension of Time Periods.

           The periods of  exercise of those  rights of any party other than the
Issuer and the Bank  Subsidiary  set forth in  sections  2, 6, 7, and 9 shall be
extended: (i) to the extent necessary to obtain all regulatory approvals for the
exercise of such rights (for so long as the  Holder,  Owner,  Substitute  Option
Holder or  Substitute  Share  Owner,  as the case may be, is using  commercially
reasonable efforts to obtain such regulatory approvals),  and for the expiration
of all  statutory  waiting  periods;  (ii) during the pendency of any  temporary
restraining order, injunction or other legal bar to exercise of such rights; and
(iii) to the extent  necessary to avoid  liability  under  section  16(b) of the
Exchange Act by reason

                                       12

<PAGE>

of such exercise.

         11. Representations and Warranties of Issuer.

           Issuer hereby represents and warrants to Grantee as follows:

                    (a) Issuer has full corporate power and authority to execute
and deliver this  Agreement  and to  consummate  the  transactions  contemplated
hereby. The execution and delivery of this Agreement and the consummation of the
transactions  contemplated  hereby have been duly and validly  authorized by the
Issuer Board on the date hereof and no other  corporate  proceedings on the part
of Issuer are  necessary  to  authorize  this  Agreement  or to  consummate  the
transactions so contemplated.  This Agreement has been duly and validly executed
and delivered by Issuer.

                    (b)  Issuer  has taken  all  necessary  corporate  action to
authorize and reserve and to permit it to issue,  and at all times from the date
hereof through the  termination  of this Agreement in accordance  with its terms
will have reserved for issuance, upon the exercise of the Option, that number of
shares of Common Stock equal to the maximum  number of shares of Common Stock at
any time and from time to time  issuable  hereunder,  and all such shares,  upon
issuance pursuant thereto, will be duly authorized,  validly issued, fully paid,
nonassessable,  and will be  delivered  free and  clear  of all  claims,  liens,
encumbrances and security interests and not subject to any preemptive rights.

         12. Assignment.

           Neither  of the  parties  hereto  may  assign  any of its  rights  or
obligations  under this Agreement or the Option  created  hereunder to any other
person without the express written  consent of the other party,  except that, in
the  event  a  Triggering  Event  shall  have  occurred  prior  to  an  Exercise
Termination Event, Grantee, subject to the express provisions hereof, may assign
in whole or in part its rights and obligations  hereunder  following the date of
such Triggering Event; provided,  however, that until the date 15 days following
the date on which the Board of Governors has approved an  application by Grantee
to acquire the shares of Common  Stock  subject to the  Option,  Grantee may not
assign  its  rights  under the Option  except in (i) a widely  dispersed  public
distribution,  (ii) a private placement in which no one party acquires the right
to  purchase  in excess of 2 percent  of the voting  shares of Issuer,  (iii) an
assignment to a single party (e.g., a broker or investment  banker) for the sole
purpose of conducting a widely dispersed public distribution on Grantee's behalf
or (iv) any other manner approved by the Board of Governors.

         13. Further Assurances.

           Each of Grantee and Issuer will use its  reasonable  best  efforts to
make all filings with, and to obtain  consents of, all third parties  (including
but not limited to their respective  stockholders) and governmental  authorities
necessary  to  the  consummation  of  the  transactions   contemplated  by  this
Agreement.

         14. Remedies.

                                       13

<PAGE>

           The parties  hereto  acknowledge  that damages would be an inadequate
remedy  for a breach of this  Agreement  by  either  party  hereto  and that the
obligations  of the parties  hereto shall be enforceable by either party through
injunctive or other  equitable  relief.  In connection  therewith,  both parties
waive the posting of any bond or similar requirement.

         15. Validity.

           If any term,  provision,  covenant or  restriction  contained in this
Agreement  is held  by a court  or a  federal  or  state  regulatory  agency  of
competent  jurisdiction to be invalid,  void or unenforceable,  the remainder of
the terms, provisions and covenants and restrictions contained in this Agreement
shall remain in full force and effect, and shall in no way be affected, impaired
or  invalidated.  If for any reason such court or regulatory  agency  determines
that the Holder is not  permitted  to  acquire,  or Issuer is not  permitted  to
repurchase  pursuant  to  section 7, the full  number of shares of Common  Stock
provided in section 1(a) hereof (as adjusted pursuant to section 1(b) or section
5 hereof),  it is the express intention of Issuer to allow the Holder to acquire
or to  require  Issuer  to  repurchase  such  lesser  number of shares as may be
permissible, without any amendment or modification hereof.

         16. Notices.

           All  notices,  requests,  claims,  demands  and other  communications
hereunder  shall be deemed to have been duly given when  delivered in the manner
and at the respective addresses of the parties set forth in section 12.13 of the
Merger Agreement.

         17. Governing Law.

           This Agreement shall be governed and construed in accordance with the
internal  laws of the State of Delaware,  without  regard to the conflict of law
principles thereof.

         18. Execution.

           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. Expenses.

           Except as otherwise  expressly  provided herein,  each of the parties
hereto shall bear and pay all costs and expenses incurred by it or on its behalf
in connection with the transactions  contemplated hereunder,  including fees and
expenses of its own financial consultants,  investment bankers,  accountants and
counsel.

         20. Entire Agreement.

           Except  as  otherwise  expressly  provided  herein  or in the  Merger
Agreement, this Agreement contains the entire agreement between the parties with
respect to the  transactions  contemplated

                                       14

<PAGE>

hereunder and supersedes all prior  arrangements  or  understandings  in respect
thereof, written or oral. The terms and conditions of this Agreement shall inure
to the benefit of and be binding  upon the parties  hereto and their  respective
successors  and permitted  assignees.  Nothing in this  Agreement,  expressed or
implied,  is intended to confer upon any party,  other than the parties  hereto,
and their  respective  successors  except as  assignees,  any  rights,  remedies
obligations  or  liabilities  under or by  reason of this  Agreement,  except as
expressly provided herein.

         21. Meaning of Terms.

           Capitalized terms used in this Agreement and not defined herein shall
have the meanings assigned thereto in the Merger Agreement.


           IN WITNESS WHEREOF,  each of the parties had caused this Agreement to
be executed on its behalf by its officers  thereunto duly authorized,  all as of
the date first above written.


                                NBT BANCORP INC.



                                By:      DARYL R. FORSYTHE
                                    --------------------------------------------
                                         Daryl R. Forsythe
                                         President and Chief Executive Officer


                                By:      JOHN D. ROBERTS
                                    --------------------------------------------
                                         John D. Roberts
                                         Senior Vice President and Secretary

                                LAKE ARIEL BANCORP, INC.



                                By:      JOHN G. MARTINES
                                    --------------------------------------------
                                         John G. Martines
                                         Chief Executive Officer


                                By:      DONALD E. CHAPMAN
                                    --------------------------------------------
                                         Donald E. Chapman
                                         Secretary


                                        15




                                   EXHIBIT 2.4

                              EMPLOYMENT AGREEMENT


         This EMPLOYMENT  AGREEMENT (the "Agreement") made and entered into this
[ ] day of [ ], 1999,  by and between  JOHN G.  MARTINES  ("Executive")  and NBT
BANCORP INC., a Delaware corporation having its principal office in Norwich, New
York ("NBTB")

                         W I T N E S S E T H  T H A T :

         WHEREAS,  the  Agreement  and Plan of Merger (the  "Merger  Agreement")
dated as of August 16, 1999 by and between NBTB and Lake Ariel Bancorp,  Inc., a
Pennsylvania corporation having its principal office in Lake Ariel, Pennsylvania
("LABN"), provides that LABN will be merged with and into NBTB (the "Merger");

         WHEREAS,  Executive is the president and chief executive  officer of LA
Bank,  National   Association,   a  national  banking  association  which  is  a
wholly-owned subsidiary of LABN ("LA Bank");

         WHEREAS,  NBTB  desires  to secure the  employment  of  Executive  upon
consummation of the Merger;

         WHEREAS,  Executive is desirous of entering into the Agreement for such
periods and upon the terms and conditions set forth herein; and

         WHEREAS,  to assist in achieving  the  objectives  of the  transactions
described  in  the  Merger  Agreement,  section  4.8  of  the  Merger  Agreement
contemplates  that  Executive  will  enter  into an  employment  agreement  as a
condition to the consummation of the transactions described therein.

         NOW,  THEREFORE,  in consideration of the premises and mutual covenants
and agreements hereinafter set forth, intending to be legally bound, the parties
agree as follows:

         1. Employment; Responsibilities and Duties.

                  (a) Contingent upon the occurrence of the Merger,  NBTB hereby
agrees to cause LA Bank to employ  Executive,  and  Executive  hereby  agrees to
serve as  president  and chief  executive  officer of LA Bank during the Term of
Employment. Executive shall have such duties, responsibilities, and authority as
shall be set forth in the bylaws of LA Bank on the date of this  Agreement or as
may  otherwise  be  determined  by  NBTB  or by LA  Bank.  During  the  Term  of
Employment,  Executive shall report  directly to the chief executive  officer of
NBTB.

                  (b) Contingent upon the occurrence of the Merger,  NBTB hereby
agrees to cause  Executive  to be reelected to the board of directors of LA Bank
for successive terms throughout the Term of Employment.

                                       1

<PAGE>


                  (c)  Executive  shall  devote his full  working  time and best
efforts to the performance of his  responsibilities  and duties hereunder and to
the  retention of the customer  relationships  to which LA Bank has been a party
prior  to the  date  of  this  Agreement  and  the  expansion  of  the  customer
relationships  of LA Bank subsequent to the date of this  Agreement.  During the
Term of Employment,  Executive  shall not,  without the prior written consent of
the Board of Directors of LA Bank,  render services as an employee,  independent
contractor,  or otherwise,  whether or not compensated,  to any person or entity
other  than  LA Bank or its  affiliates;  provided  that  Executive  may,  where
involvement  in  such  activities  does  not  individually  or in the  aggregate
significantly  interfere  with the  performance  by  Executive  of his duties or
violate the  provisions of section 4 hereof,  (i) render  services to charitable
organizations,  (ii) manage his personal  investments,  and (iii) with the prior
permission of the Board of Directors of NBTB, hold such other  directorships  or
part-time  academic  appointments  or have such other business  affiliations  as
would otherwise be prohibited under this section 1.

         2. Term of Employment.

                  (a) The term of this Agreement ("Term of Employment") shall be
the period commencing on the first business day following the date of the Merger
(the "Commencement Date") and continuing until the Termination Date, which shall
mean the earliest to occur of:

                           (i) the third  anniversary of the Commencement  Date,
unless the Term of  Employment  shall be  extended  for one  additional  year by
Executive, upon written notice provided by Executive to NBTB not later than nine
months prior to the third anniversary of the Commencement Date;

                           (ii) the death of Executive;

                           (iii)  Executive's  inability  to perform  his duties
hereunder, as a result of physical or mental disability as reasonably determined
by the personal physician of Executive, for a period of at least 180 consecutive
days or for at least 180 days  during  any period of twelve  consecutive  months
during the Term of Employment; or

                           (iv) the  discharge of Executive by NBTB "for cause,"
which shall mean one or more of the following:

                                    (A)  any  willful  or  gross  misconduct  by
Executive  with respect to the business and affairs of NBTB or LA Bank,  or with
respect  to any of its  affiliates  for which  Executive  is  assigned  material
responsibilities or duties;

                                    (B) the  conviction of Executive of a felony
(after the earlier of the  expiration of any  applicable  appeal period  without
perfection  of an appeal by Executive or the denial of any appeal as to which no
further appeal or review is available to Executive)  whether or not committed in
the course of his employment by NBTB;

                                    (C) Executive's willful neglect, failure, or
refusal to carry out his

                                       2

<PAGE>

duties hereunder in a reasonable  manner (other than any such failure  resulting
from  disability or death or from  termination by Executive for Good Reason,  as
hereinafter defined); or

                                    (D)  the   breach   by   Executive   of  any
representation or warranty in section 6(a) hereof or of any agreement  contained
in section 1, 4, 5, or 6(b) hereof, which breach is material and adverse to NBTB
or LA Bank or any of its  affiliates  for which  Executive is assigned  material
responsibilities or duties; or

                           (v)  Executive's  resignation  from his  position  as
chief executive  officer of LA Bank other than for "Good Reason," as hereinafter
defined; or

                           (vi) the  termination  of  Executive's  employment by
NBTB  "without  cause," which shall be for any reason other than those set forth
in subsections (i), (ii), (iii), (iv), or (v) of this section 2(a), at any time,
upon the thirtieth day following notice to Executive; or

                           (vii) Executive's resignation for "Good Reason."

"Good  Reason"  shall  mean,  without   Executive's   express  written  consent,
reassignment  of  Executive  to a  position  other than as  president  and chief
executive officer of LA Bank other than for "Cause," or a decrease in the amount
of Executive's salary from the amount established in section 3(a) hereof.

                  (b)  In the  event  that  the  Term  of  Employment  shall  be
terminated  for any  reason  other than that set forth in  section  2(a)(vi)  or
2(a)(vii) hereof, Executive shall be entitled to receive, upon the occurrence of
any such event:

                           (i)  any  salary  (as  hereinafter  defined)  payable
pursuant  to  section  3(a)(i)  hereof  which  shall  have  accrued  as  of  the
Termination Date; and

                           (ii) such rights as  Executive  shall have accrued as
of the Termination Date under the terms of any plans or arrangements in which he
participates  pursuant to section 3(b) hereof,  any right to  reimbursement  for
expenses  accrued as of the  Termination  Date payable  pursuant to section 3(e)
hereof,  and the right to receive the cash  equivalent  of paid annual leave and
sick leave accrued as of the Termination Date pursuant to section 3(c) hereof.

                  (c)  In the  event  that  the  Term  of  Employment  shall  be
terminated  for the reason set forth in section  2(a)(vi) or  2(a)(vii)  hereof,
Executive shall be entitled to receive:

                           (i) for the period commencing on the date immediately
following  the  Termination  Date  and  ending  upon  and  including  the  third
anniversary of the  Commencement  Date,  salary payable at the rate  established
pursuant  to section  3(a)(i)  hereof,  in a manner  consistent  with the normal
payroll practices of LA Bank with respect to executive personnel as presently in
effect or as they may be modified by LA Bank from time to time; and

                           (ii) such rights as Executive  may have accrued as of
the  Termination  Date

                                       3

<PAGE>

under the terms of any plans or arrangements  in which he participates  pursuant
to section 3(b) hereof,  any right to  reimbursement  for expenses accrued as of
the Termination Date payable  pursuant to section 3(e) hereof,  and the right to
receive the cash  equivalent  of paid annual leave and sick leave  accrued as of
the Termination Date pursuant to section 3(c) hereof.

                  (d)  Any   provision   of  this  section  2  to  the  contrary
notwithstanding,  in the event that the  employment of Executive with NBTB or LA
Bank  is   terminated   in  any   situation   described  in  section  3  of  the
change-in-control  letter  agreement  dated [ ] between NBTB and Executive  (the
"Change-in-Control Agreement") so as to entitle Executive to a severance payment
and other benefits  described in section 3 of the  Change-in-Control  Agreement,
then Executive  shall be entitled to receive the following,  and no more,  under
this section 2:

                           (i) any salary  payable  pursuant to section  3(a)(i)
hereof which shall have accrued as of the Termination Date;

                           (ii) such rights as  Executive  shall have accrued as
of the Termination Date under the terms of any plans or arrangements in which he
participates  pursuant to section 3(b) hereof,  any right to  reimbursement  for
expenses  accrued as of the  Termination  Date payable  pursuant to section 3(e)
hereof,  and the right to receive the cash  equivalent  of paid annual leave and
sick leave accrued as of the  Termination  Date pursuant to section 3(c) hereof;
and

                           (iii)  the  severance   payment  and  other  benefits
provided in the Change-in-Control Agreement.

         3.  Compensation.  For the services to be performed by Executive for LA
Bank under this  Agreement,  Executive  shall be  compensated  in the  following
manner:

                  (a) Salary. During the Term of Employment:

                           (i) LA Bank shall pay Executive a salary which, on an
annual  basis,  shall not be less than  $230,000,  assuming  Executive  performs
competently.  Salary  shall be payable  in  accordance  with the normal  payroll
practices of LA Bank with respect to executive  personnel as presently in effect
or as they may be modified by LA Bank from time to time.

                           (ii) Executive shall be eligible to be considered for
salary increases,  upon review, in accordance with the compensation  policies of
NBTB with respect to  executive  personnel as presently in effect or as they may
be modified by NBTB from time to time.

                           (iii)  Executive  shall be eligible to be  considered
for  performance  bonuses of up to 75 percent  of salary  (with his  performance
evaluated primarily based upon the performance of LA Bank, and secondarily based
upon  the  performance  of NBTB  taken  as a  whole),  in  accordance  with  the
compensation  policies of NBTB with respect to executive  personnel as presently
in effect or as they may be modified by NBTB from time to time.

                                       4

<PAGE>


                  (b) Employee Benefit Plans or Arrangements. During the Term of
Employment,  Executive shall be entitled to participate in all employee  benefit
plans of NBTB,  as  presently  in effect or as they may be modified by NBTB from
time to time,  under such terms as may be applicable to officers of  Executive's
rank employed by NBTB or its affiliates,  including,  without limitation,  plans
providing retirement benefits, stock options, medical insurance, life insurance,
disability insurance, and accidental death or dismemberment insurance,  provided
that there be no  duplication  of such benefits as are provided  under any other
provision of this Agreement.  During the Term of Employment,  medical  insurance
for Executive will be procured through the same carrier that provided  insurance
coverage to  Executive  as an employee of LA Bank as of June 30,  1999,  or from
such other  insurance  carrier as shall be mutually  acceptable to Executive and
NBTB.

                  (c) Supplemental Executive Retirement Plans. NBTB shall assume
and continue in effect the LA Bank, N.A. Salary  Continuation  Agreement between
LA Bank and Executive dated March 7, 1997, the Supplementary  Retirement Benefit
Agreement  between LA Bank and Martines  dated  January 6, 1995,  and the Salary
Continuation  Agreement  between LA Bank and Martines dated May 5, 1989, and, in
return  therefor,   Executive  renounces   entitlement  to  benefits  under  any
supplemental  executive  retirement plan to which he would otherwise be entitled
as an executive of NBTB or an affiliate of NBTB.

                  (d)  Vacation and Sick Leave.  During the Term of  Employment,
Executive  shall be entitled to paid annual  vacation  periods and sick leave in
accordance with the policies of NBTB as in effect as of the Commencement Date or
as may be modified by NBTB from time to time as may be applicable to officers of
Executive's  rank employed by NBTB or its affiliates,  but in no event less than
four weeks of paid vacation per year.

                  (e) Automobile. During the Term of Employment, Executive shall
be entitled to the use of an automobile  owned by LA Bank, the make,  model, and
year of which  automobile shall be appropriate to an officer of Executive's rank
employed  by NBTB or its  affiliates.  Executive  shall be  responsible  for all
expenses of ownership and use of such  automobile,  subject to  reimbursement of
expenses for business use in accordance with section 3(h).

                  (f)  Country  Club  Dues.   During  the  Term  of  Employment,
Executive shall be reimbursed for dues and  assessments  incurred in relation to
Executive's membership at Country Club of Scranton.

                  (g)  Life  Insurance.  During  the  Term of  Employment,  life
insurance  paid by LA  Bank on the  life of  Executive  for the  benefit  of his
designated  beneficiary or beneficiaries shall be maintained at no less than the
level of insurance maintained as of June 30, 1999.

                  (h)  Withholding.  All  compensation  to be paid to  Executive
hereunder shall be subject to required withholding and other taxes.

                  (i) Expenses.  During the Term of Employment,  Executive shall
be  reimbursed  for  reasonable  travel and other  expenses  incurred or paid by
Executive  in  connection  with  the  performance

                                       5

<PAGE>

of his services under this Agreement, upon presentation of expense statements or
vouchers  or such  other  supporting  information  as may  from  time to time be
requested,  in accordance  with such policies of NBTB as are in effect as of the
Commencement  Date and as may be modified by NBTB from time to time,  under such
terms as may be applicable to officers of  Executive's  rank employed by NBTB or
its affiliates.

         4. Confidential Business Information; Non-Competition.

                  (a)  Executive  acknowledges  that certain  business  methods,
creative techniques,  and technical data of NBTB and its affiliates and the like
are deemed by NBTB to be and are in fact  confidential  business  information of
NBTB or its  affiliates or are  entrusted to third  parties.  Such  confidential
information  includes  but  is  not  limited  to  procedures,   methods,   sales
relationships  developed  while  in the  service  of  NBTB  or  its  affiliates,
knowledge  of  customers  and their  requirements,  marketing  plans,  marketing
information,  studies, forecasts, and surveys, competitive analyses, mailing and
marketing  lists, new business  proposals,  lists of vendors,  consultants,  and
other persons who render service or provide material to NBTB or LA Bank or their
affiliates, and compositions,  ideas, plans, and methods belonging to or related
to the  affairs of NBTB or LA Bank or their  affiliates.  In this  regard,  NBTB
asserts  proprietary  rights in all of its business  information and that of its
affiliates  except for such  information  as is  clearly  in the public  domain.
Notwithstanding  the  foregoing,  information  that would be generally  known or
available to persons  skilled in  Executive's  fields shall be  considered to be
"clearly in the public  domain"  for the  purposes  of the  preceding  sentence.
Executive agrees that he will not disclose or divulge to any third party, except
as may be required by his duties hereunder,  by law,  regulation,  or order of a
court or government  authority,  or as directed by NBTB, nor shall he use to the
detriment of NBTB or its  affiliates  or use in any business or on behalf of any
business competitive with or substantially similar to any business of NBTB or LA
Bank or their affiliates,  any confidential business information obtained during
the course of his employment by LA Bank. The foregoing shall not be construed as
restricting  Executive from disclosing such information to the employees of NBTB
or LA Bank or their affiliates.

                  (b) Executive  hereby agrees that from the  Commencement  Date
until the second  anniversary of the  Termination  Date,  Executive will not (i)
engage in the banking  business other than on behalf of NBTB or LA Bank or their
affiliates  within the Market Area (as  hereinafter  defined),  (ii) directly or
indirectly own, manage, operate,  control, be employed by, or provide management
or consulting services in any capacity to any firm, corporation, or other entity
(other than NBTB or LA Bank or their affiliates) engaged in the banking business
in the Market  Area,  or (iii)  directly  or  indirectly  solicit  or  otherwise
intentionally cause any person known to Executive to be an employee, officer, or
member of the respective Boards of Directors of LA Bank or any of its affiliates
to engage in any  action  prohibited  under  (i) or (ii) of this  section  4(b);
provided  that the  ownership  by Executive as an investor of not more than five
percent of the outstanding shares of stock of any corporation,  or the shares of
any investment  company as defined in section 3 of the Investment Company Act of
1940,  as amended,  shall not in itself  constitute a violation  of  Executive's
obligations under this section 4(b).

                  (c) Executive  acknowledges and agrees that irreparable injury
will  result to NBTB in the event of a breach of any of the  provisions  of this
section 4 (the  "Designated  Provisions")  and that

                                       6

<PAGE>

NBTB will have no adequate remedy at law with respect thereto.  Accordingly,  in
the event of a material breach of any Designated  Provision,  and in addition to
any other  legal or  equitable  remedy  NBTB or LA Bank may have,  NBTB shall be
entitled to the entry of a  preliminary  and  permanent  injunction  (including,
without limitation,  specific performance) by a court of competent  jurisdiction
in Chenango  County,  New York,  Wayne County,  Pennsylvania,  or elsewhere,  to
restrain the violation or breach thereof by Executive,  and Executive submits to
the jurisdiction of such court in any such action.

                  (d) It is the  desire  and  intent  of the  parties  that  the
provisions of this section 4 shall be enforced to the fullest extent permissible
under  the  laws and  public  policies  applied  in each  jurisdiction  in which
enforcement is sought.  Accordingly, if any particular provision of this section
4 shall be adjudicated to be invalid or  unenforceable,  such provision shall be
deemed amended to delete therefrom the portion thus adjudicated to be invalid or
unenforceable, such deletion to apply only with respect to the operation of such
provision in the particular  jurisdiction in which such adjudication is made. In
addition, should any court determine that the provisions of this section 4 shall
be unenforceable with respect to scope, duration, or geographic area, such court
shall be empowered to substitute, to the extent enforceable,  provisi
ons similar
hereto or other  provisions  so as to provide  to NBTB,  to the  fullest  extent
permitted by applicable law, the benefits intended by this section 4.

                  (e) As used herein, "Market Area" shall mean the area or areas
delineated by circles formed by radii extending  twenty-five  miles from (i) the
head  office of LA Bank,  (ii) the  authorized  branches  of LA Bank as they may
exist  from time to time,  and (iii)  each  branch of a  depository  institution
affiliated with LA Bank for which Executive has or has had significant executive
or managerial responsibilities.

         5. Life Insurance.  In light of the unusual abilities and experience of
Executive, NBTB in its discretion may apply for and procure as owner and for its
own benefit insurance on the life of Executive,  in such amount and in such form
as NBTB may choose.  NBTB shall make all payments for such  insurance  and shall
receive all benefits from it. Executive shall have no interest whatsoever in any
such policy or policies  but,  at the request of NBTB,  shall  submit to medical
examinations  and supply such  information  and execute  such  documents  as may
reasonably be required by the  insurance  company or companies to which NBTB has
applied for insurance.

         6. Representations and Warranties.

                  (a)  Executive  represents  and  warrants  to  NBTB  that  his
execution,  delivery,  and  performance  of this Agreement will not result in or
constitute  a breach of or  conflict  with any  term,  covenant,  condition,  or
provision  of any  commitment,  contract,  or  other  agreement  or  instrument,
including,   without  limitation,  any  other  employment  agreement,  to  which
Executive is or has been a party.

                  (b) Executive shall indemnify,  defend, and hold harmless NBTB
for, from, and against any and all losses, claims, suits, damages,  expenses, or
liabilities,  including court costs and counsel fees, which NBTB has incurred or
to which  NBTB may  become  subject,  insofar  as such  losses,

                                       7

<PAGE>

claims, suits, damages,  expenses,  liabilities,  costs, or fees arise out of or
are based upon any failure of any  representation  or warranty of  Executive  in
section 6(a) hereof to be true and correct when made.

         7. Notices.  All notices,  consents,  waivers, or other  communications
which are required or permitted hereunder shall be in writing and deemed to have
been duly given if delivered personally or by messenger, transmitted by telex or
telegram,  by express courier,  or sent by registered or certified mail,  return
receipt requested, postage prepaid. All communications shall be addressed to the
appropriate address of each party as follows:

If to NBTB:

         NBT Bancorp Inc.
         52 South Broad Street
         Norwich, New York  13815

         Attention:        Mr. Daryl R. Forsythe
                           President and Chief Executive Officer

With a required copy to:

         Brian D. Alprin, Esq.
         Duane, Morris & Heckscher LLP
         1667 K Street, N.W., Suite 700
         Washington, D.C.  20006

If to Executive:

         Mr. John G. Martines
         R.D. 1, Box 824
         Carbondale, Pennsylvania  18407

All such  notices  shall be  deemed to have  been  given on the date  delivered,
transmitted, or mailed in the manner provided above.

         8. Assignment. Neither party may assign this Agreement or any rights or
obligations hereunder without the consent of the other party.

         9. Governing Law. This Agreement shall be governed by,  construed,  and
enforced in accordance  with the laws of the State of Delaware,  without  giving
effect  to the  principles  of  conflict  of law  thereof.  The  parties  hereby
designate  the Chancery  Court in New Castle  County,  Delaware to be the proper
jurisdiction  and venue for any suit or action  arising  out of this  Agreement.
Each of the parties  consents to personal  jurisdiction in such venue for such a
proceeding  and agrees  that it may be served  with  process in any action  with
respect to this Agreement or the transactions  contemplated thereby by certified
or registered  mail,  return receipt  requested,  or to its registered agent for
service of

                                       8

<PAGE>

process in the State of Delaware. Each of the parties irrevocably and
unconditionally  waives and agrees,  to the fullest extent permitted by law, not
to plead any objection  that it may now or hereafter have to the laying of venue
or the  convenience  of the forum of any  action or claim  with  respect to this
Agreement  or the  transactions  contemplated  thereby  brought  in  the  courts
aforesaid.

           10.  Entire   Agreement.   This  Agreement   constitutes  the  entire
understanding  among NBTB, LA Bank, and Executive relating to the subject matter
hereof. Any previous agreements or understandings  between the parties hereto or
between  Executive  and LA Bank or any of its  affiliates  regarding the subject
matter  hereof,  including  without  limitation  the  terms  and  conditions  of
employment,    compensation,   benefits,   retirement,   competition   following
employment,  and the like,  are merged into and  superseded  by this  Agreement.
Neither this  Agreement  nor any  provisions  hereof can be  modified,  changed,

discharged, or terminated except by an instrument in writing signed by the party
against whom any waiver, change, discharge, or termination is sought.

           11. Illegality; Severability.

                    (a)   Anything   in   this   Agreement   to   the   contrary
notwithstanding,  this  Agreement  is not intended and shall not be construed to
require  any  payment to  Executive  which  would  violate  any federal or state
statute or  regulation,  including  without  limitation  the  "golden  parachute
payment  regulations" of the Federal Deposit Insurance  Corporation  codified to
Part 359 of title 12, Code of Federal Regulations.

                    (b) If any provision or provisions of this  Agreement  shall
be held to be invalid, illegal, or unenforceable for any reason whatsoever:

                            (i) the validity,  legality,  and  enforceability of
the remaining provisions of this Agreement (including,  without limitation, each
portion of any section of this  Agreement  containing any such provision held to
be  invalid,  illegal,  or  unenforceable)  shall not in any way be  affected or
impaired thereby; and

                            (ii) to the fullest extent possible,  the provisions
of this Agreement (including, without limitation, each portion of any section of
this Agreement  containing any such provisions held to be invalid,  illegal,  or
unenforceable)  shall be construed so as to give effect to the intent manifested
by the provision held invalid, illegal, or unenforceable.

           12. Arbitration.  Subject to the right of each party to seek specific
performance  (which  right  shall not be subject to  arbitration),  if a dispute
arises out of or related to this Agreement,  or the breach thereof, such dispute
shall be referred to arbitration in accordance  with the Commercial  Arbitration
Rules of the American Arbitration  Association ("AAA"). A dispute subject to the
provisions  of this section will exist if either party  notifies the other party
in  writing  that a dispute  subject to  arbitration  exists  and  states,  with
reasonable  specificity,  the issue  subject to  arbitration  (the  "Arbitration
Notice").  The parties agree that, after the issuance of the Arbitration Notice,
the  parties  will try in good faith to resolve  the  dispute  by  mediation  in
accordance  with the Commercial  Rules of Arbitration of AAA between the date of
the  issuance  of the  Arbitration  Notice  and the date the  dispute

                                       9

<PAGE>

is set for  arbitration.  If the  dispute  is not  settled  by the  date set for
arbitration,  then any controversy or claim arising out of this Agreement or the
breach  hereof shall be resolved by binding  arbitration  and judgment  upon any
award rendered by arbitrator(s)  may be entered in a court having  jurisdiction.
Any person  serving as a mediator  or  arbitrator  must have at least ten years'
experience in resolving  commercial disputes through  arbitration.  In the event
any claim or dispute involves an amount in excess of $100,000,  either party may
request that the matter be heard by a panel of three arbitrators;  otherwise all
matters  subject  to  arbitration  shall  be  heard  and  resolved  by a  single
arbitrator. The arbitrator shall have the same power to compel the attendance of
witnesses  and to order the  production  of documents or other  materials and to
enforce  discovery as could be exercised by a United States District Court judge
sitting in the Northern  District of New York. In the event of any  arbitration,
each party shall have a reasonable right to conduct discovery to the same extent
permitted by the Federal Rules of Civil Procedure,  provided that such discovery
shall be  concluded  within  ninety  days  after the date the  matter is set for
arbitration.  In the event of any  arbitration,  the  arbitrator or  arbitrators
shall  have the  power to award  reasonable  attorney's  fees to the  prevailing
party.  Any provision in this  Agreement to the contrary  notwithstanding,  this
section  shall be governed by the Federal  Arbitration  Act and the parties have
entered into this Agreement pursuant to such Act.

           13.  Costs of  Litigation.  In the event  litigation  is commenced to
enforce  any of the  provisions  hereof,  or to  obtain  declaratory  relief  in
connection  with any of the provisions  hereof,  the  prevailing  party shall be
entitled to recover  reasonable  attorney's fees. In the event this Agreement is
asserted in any litigation as a defense to any liability, claim, demand, action,
cause of action,  or right asserted in such litigation,  the party prevailing on
the issue of that defense shall be entitled to recovery of reasonable attorney's
fees.

           14.  Affiliation.  A company will be deemed to be  "affiliated"  with
NBTB or LA Bank  according to the  definition of  "Affiliate"  set forth in Rule
12b-2 of the General Rules and Regulations under the Securities  Exchange Act of
1934, as amended.

           15.  Headings.  The section and subsection  headings herein have been
inserted  for  convenience  of  reference  only and  shall in no way  modify  or
restrict any of the terms or provisions hereof.

           16.  Agreement  Contingent Upon Merger.  This Agreement is contingent
upon the  occurrence  of the  Merger  and,  if the Merger  fails to occur,  this
Agreement will be null and void and of no past or future effect.

                                       10

<PAGE>


           IN WITNESS  WHEREOF,  the  parties  hereto  executed  or caused  this
Agreement to be executed as of the day and year first above written.


                                NBT BANCORP INC.

                                By:
                                   ---------------------------------------------
                                     Daryl R. Forsythe
                                     President and Chief Executive Officer



                                JOHN G. MARTINES


                                ---------------------------------



                                       11



                                   EXHIBIT 2.5

                           CHANGE-IN-CONTROL AGREEMENT

                             [               ], 1999



[                                ]
[                                ]
[                                ]

Dear Mr. [                        ]:

           NBT Bancorp Inc. (which, together with its wholly-owned subsidiaries,
NBT Bank, National Association and LA Bank, National Association, is referred to
as the  "Company")  considers  the stability of its key  management  group to be
essential to the best interests of the Company and its shareholders. The Company
recognizes  that,  as is the case  with  many  publicly-held  corporations,  the
possibility of a change in control may arise and that the attendant  uncertainty
may result in the departure or distraction  of key  management  personnel to the
detriment of the Company and its shareholders.

           Accordingly,  the Board of Directors of the Company (the "Board") has
determined that  appropriate  steps should be taken to encourage  members of the
Company's  key  management  group to continue as employees  notwithstanding  the
possibility of a change in control of the Company.

           The Board also believes it important that, in the event of a proposal
for transfer of control of the  Company,  you be able to assess the proposal and
advise the Board  without  being  influenced  by the  uncertainties  of your own
situation.

           In order to induce you to remain in the employ of the  Company,  this
Agreement,  which has been  approved  by the  Board,  sets  forth the  severance
compensation  which the Company agrees will be provided to you in the event your
employment with the Company is terminated subsequent to a "change in control" of
the Company under the circumstances described below.

         1. Agreement to Provide Services; Right to Terminate.

           (a) Termination Prior to Certain Offers. Except as otherwise provided
in paragraph (b) below, or in any written  employment  agreement between you and
the Company,  the Company or you may terminate your  employment at any time. If,
and only if, such  termination  occurs  after a change in control of the Company
(as  defined in section  6), the  provisions  of this  Agreement  regarding  the
payment of severance compensation and benefits shall apply.

           (b) Termination  Subsequent to Certain Offers.  In the event a tender
offer or  exchange  offer is made by a person (as defined in section 6) for more
than 30  percent  of the  combined  voting

                                       1

<PAGE>

power of the Company's  outstanding  securities  ordinarily  having the right to
vote at elections of directors ("Voting Securities"), including shares of common
stock, no par value, of the Company (the "Company  Shares"),  you agree that you
will not leave the employ of the Company  (other than as a result of  Disability
as such term is defined in section 6) and will render services to the Company in
the capacity in which you then serve until such tender  offer or exchange  offer
has been  abandoned  or  terminated  or a change in control of the  Company  has
occurred as a result of such  tender  offer or exchange  offer.  If,  during the
period you are  obligated  to continue in the employ of the Company  pursuant to
this section 1(b), the Company reduces your compensation, your obligations under
this section 1(b) shall thereupon terminate.

           2. Term of  Agreement.  This  Agreement  shall  commence  on the date
hereof and shall  continue  in effect  until the third  anniversary  of the date
hereof; provided,  however, that commencing on the first anniversary of the date
hereof,  and  each  such  anniversary  thereafter,  the  remaining  term of this
Agreement shall automatically be extended for one additional year (to a total of
three years) unless at least 90 days prior to such  anniversary,  the Company or
you shall have given  notice  that this  Agreement  shall not be  extended;  and
provided,  however, that if a change in control of the Company shall occur while
this Agreement is in effect,  this Agreement shall automatically be extended for
24 months  from the date the  change in control  occurs.  This  Agreement  shall
terminate if you or the Company  terminates your employment prior to a change in
control of the Company but without  prejudice to any remedy the Company may have
for breach of your obligations, if any, under section 1(b).

           3.  Severance  Payment and Benefits If Termination  Occurs  Following
Change in Control for Disability, Without Cause, or With Good Reason. If, within
24 months  from the date of  occurrence  of any event  constituting  a change in
control of the  Company (it being  recognized  that more than one such event may
occur in which case the 24-month period shall run from the date of occurrence of
each such event),  your  employment  with the Company is  terminated  (i) by the
Company for Disability,  (ii) by the Company without Cause, or (iii) by you with
Good  Reason (as  defined in section  6), you shall be  entitled  to a severance
payment and other benefits as follows:

           (a) Disability. If your employment with the Company is terminated for
Disability,  your benefits shall thereafter be determined in accordance with the
Company's long-term disability income insurance plan. If the Company's long-term
disability income insurance plan is modified or terminated following a change in
control,  the Company shall  substitute such a plan with benefits  applicable to
you  substantially  similar  to  those  provided  by  such  plan  prior  to  its
modification  or  termination.  During any period that you fail to perform  your
duties  hereunder as a result of incapacity  due to physical or mental  illness,
you shall  continue to receive  your full base salary at the rate then in effect
until your employment is terminated by the Company for Disability.

           (b) Termination Without Cause or With Good Reason. If your employment
with the Company is terminated  without Cause by the Company or with Good Reason
by you, then the Company shall pay to you,  upon demand,  the following  amounts
(net of applicable payroll taxes):

                    (i) Your full base salary plus year-to-date accrued vacation
through the Date of  Termination at the rate in effect on the date the change in
control occurs.

                                       2

<PAGE>


                    (ii) As  severance  pay,  an amount  equal to the product of
your "Base  Amount"  multiplied  by the  number [ ].(1) As used in the  previous
sentence,  your "Base Amount" is your average annual compensation  includible in
your gross income for federal income tax purposes for the five years immediately
preceding the year in which the change in control  occurs (or, if you shall have
been  employed by the Company for less than those five years,  for the number of
those years during which you shall have been  employed by the Company,  with any
partial year  annualized),  including  base salary,  non-deferred  amounts under
annual incentive, long-term performance, and profit-sharing plans, distributions
of previously  deferred amounts under such plans, and ordinary income recognized
with respect to stock options.

           (c) Related Benefits. Unless you die or your employment is terminated
by the Company for Cause or  Disability,  or by you other than for Good  Reason,
the Company shall maintain in full force and effect,  for the continued  benefit
of you for one year after the Date of Termination,  all noncash employee benefit
plans,  programs, or arrangements  (including,  without limitation,  pension and
retirement plans and arrangements, stock option plans, life insurance and health
and accident plans and arrangements,  medical insurance plans, disability plans,
and vacation plans) in which you were entitled to participate  immediately prior
to the  Date of  Termination  provided  that  your  continued  participation  is
possible after Termination under the general terms and provisions of such plans,
programs,  and arrangements;  provided,  however, that if you become eligible to
participate in a benefit plan, program, or arrangement of another employer which
confers  substantially  similar  benefits  upon you,  you shall cease to receive
benefits under this subsection in respect of such plan, program, or arrangement.
In the event that your participation in any such plan,  program,  or arrangement
is barred, the Company shall arrange to provide you with benefits  substantially
similar to those which you are  entitled to receive  under such plans,  programs
and arrangements.

           4. Payment If Termination Occurs Following Change In Control, Because
of Death,  For Cause,  or  Without  Good  Reason.  If your  employment  shall be
terminated  following any event  constituting a change in control of the Company
because of your death,  or by the  Company  for Cause,  or by you other than for
Good Reason,  the Company shall pay you your full base salary plus  year-to-date
accrued  vacation  through the Date of  Termination at the rate in effect on the
date of the  change  in  control  occurs.  The  Company  shall  have no  further
obligations to you under this Agreement.

           5. No Mitigation. You shall not be required to mitigate the amount of
any payment  provided  for in this  Agreement  by seeking  other  employment  or
otherwise,  nor,  except as expressly set forth herein,  shall the amount of any
payment provided for in this Agreement be reduced by any compensation  earned by
you  as the  result  of  employment  by  another  employer  after  the  Date  of
Termination, or otherwise.

         6. Definitions of Certain Terms. For the purpose of this Agreement, the
terms defined

- --------
           1      [John G. Martines:  insert "2.99."]
                  [Louis M. Martarano:  insert "2."]
                  [Joseph J. Earyes:  insert "2."]

                                       3

<PAGE>

in this section 6 shall have the meanings assigned to them herein.

                    (a) Cause. Termination of your employment by the Company for
"Cause" shall mean termination  because,  and only because, you committed an act
of fraud,  embezzlement,  or theft constituting a felony or an act intentionally
against the interests of the Company which causes the Company  material  injury.
Notwithstanding  the foregoing,  you shall not be deemed to have been terminated
for Cause  unless and until there shall have been  delivered  to you a copy of a
resolution duly adopted by the affirmative vote of not less than  three-quarters
of the entire  membership of the Board at a meeting of the Board called and held
for the purpose  (after  reasonable  notice to you and an  opportunity  for you,
together with your counsel,  to be heard before the Board),  finding that in the
good faith opinion of the Board you were guilty of conduct constituting Cause as
defined above and specifying the particulars thereof in detail.

                    (b) Change in Control.  A "Change in Control" of the Company
shall mean:

                            (i) A change in  control  of a nature  that would be
required to be reported in response to Item 6(e) of Schedule  14A of  Regulation
14A as in effect on the date hereof  pursuant to the Securities  Exchange Act of
1934 (the "Exchange Act");  provided that, without limitation,  such a change in
control  shall be deemed to have  occurred at such time as any Person  hereafter
becomes the  "Beneficial  Owner" (as  defined in Rule 13d-3  under the  Exchange
Act), directly or indirectly, of 30 percent or more of the combined voting power
of the Company's Voting Securities; or

                            (ii)  During  any period of two  consecutive  years,
individuals  who at the beginning of such period  constitute the Board cease for
any reason to constitute at least a majority thereof unless the election, or the
nomination for election by the Company's shareholders,  of each new director was
approved by a vote of at least  two-thirds of the directors then still in office
who were directors at the beginning of the period; or

                            (iii)   There   shall   be   consummated   (x)   any
consolidation  or  merger  of the  Company  in  which  the  Company  is not  the
continuing or surviving corporation or pursuant to which Voting Securities would
be converted into cash,  securities,  or other property,  other than a merger of
the Company in which the holders of Voting  Securities  immediately prior to the
merger have the same  proportionate  ownership of common stock of the  surviving
corporation  immediately after the merger, or (y) any sale, lease,  exchange, or
other transfer (in one transaction or a series of related  transactions) of all,
or  substantially  all of the  assets  of the  Company,  provided  that any such
consolidation,  merger,  sale, lease,  exchange or other transfer consummated at
the insistence of an appropriate  banking regulatory agency shall not constitute
a change in control; or

                            (iv) Approval by the  shareholders of the Company of
any plan or proposal for the liquidation or dissolution of the Company.

                    (c) Date of Termination.  "Date of  Termination"  shall mean
(i) if your  employment  is terminated  by the Company for  Disability,  30 days
after Notice of Termination is given  (provided that you shall not have returned
to the  performance  of your  duties on a  full-time  basis  during  such 30-day

                                       4

<PAGE>

period),  and (ii) if your  employment is terminated  for any other reason,  the
date on which a Notice of Termination is given;  provided that if within 30 days
after any Notice of  Termination  is given the party  receiving  such  Notice of
Termination  notifies  the other  party  that a dispute  exists  concerning  the
termination,  the Date of Termination  shall be the date on which the dispute is
finally  determined,  either by mutual written  agreement of the parties or by a
final judgment,  order, or decree of a court of competent jurisdiction (the time
for appeal therefrom  having expired and no appeal having been  perfected).  The
term of this Agreement shall be extended until the Date of Termination.

                    (d)  Disability.  Termination  of  your  employment  by  the
Company for  "Disability"  shall mean  termination  because of your absence from
your duties with the Company on a full-time basis for 180 consecutive  days as a
result of your  incapacity due to physical or mental illness and your failure to
return to the  performance of your duties on a full-time basis during the 30-day
period after Notice of Termination is given.

                    (e) Good Reason.  Termination by you of your  employment for
"Good Reason" shall mean termination based on any of the following:

                            (i) A change in your status or position(s)  with the
Company, which in your reasonable judgment,  does not represent a promotion from
your  status or  position(s)  as in effect  immediately  prior to the  change in
control,  or a  change  in  your  duties  or  responsibilities  which,  in  your
reasonable  judgment,  is inconsistent  with such status or position(s),  or any
removal  of you from,  or any  failure to  reappoint  or  reelect  you to,  such
position(s),  except in connection  with the  termination of your employment for
Cause or  Disability  or as a result of your death or by you other than for Good
Reason.

                            (ii) A reduction  by the Company in your base salary
as in effect immediately prior to the change in control.

                            (iii) The  failure  by the  Company to  continue  in
effect any Plan (as hereinafter defined) in which you
are  participating at the time of the change in control of the Company (or Plans
providing  you with at least  substantially  similar  benefits)  other than as a
result of the normal expiration of any such Plan in accordance with its terms as
in effect at the time of the change in control,  or the taking of any action, or
the failure to act, by the Company which would  adversely  affect your continued
participation in any of such Plans on at least as favorable a basis to you as is
the case on the date of the change in control or which would  materially  reduce
your  benefits  in the  future  under any of such  Plans or  deprive  you of any
material benefit enjoyed by you at the time of the change in control.

                            (iv) The  failure  by the  Company  to  provide  and
credit you with the number of paid  vacation days to which you are then entitled
in accordance with the Company's normal vacation policy as in effect immediately
prior to the change in control.

                            (v) The Company's requiring you to be based anywhere
other  than  where your  office is  located  immediately  prior to the change in
control  except  for  required  travel on the  Company's  business  to an extent
substantially   consistent  with  the  business  travel  obligations  which  you
undertook on behalf of the Company prior to the change in control.

                                       5

<PAGE>

                            (vi) The  failure by the  Company to obtain from any
successor the assent to this Agreement contemplated by section 8 hereof.

                            (vii) Any  purported  termination  by the Company of
your  employment  which is not  effected  pursuant  to a Notice  of  Termination
satisfying  the  requirements  of  this  Agreement;  and  for  purposes  of this
Agreement, no such purported termination shall be effective.

                            (viii) Any  refusal by the  Company to  continue  to
allow you to attend to matters or engage in activities  not directly  related to
the  business of the  Company  which,  prior to the change in control,  you were
permitted by the Board to attend to or engage in.

           For purposes of this  subsection,  "Plan" shall mean any compensation
plan such as an incentive or stock option plan or any employee benefit plan such
as a thrift,  pension,  profit  sharing,  medical,  disability,  accident,  life
insurance  plan, or a relocation plan or policy or any other plan,  program,  or
policy of the Company intended to benefit employees.

                    (f) Notice of Termination. A "Notice of Termination" of your
employment  given by the Company shall mean a written notice given to you of the
termination of your  employment  which shall  indicate the specific  termination
provision  in this  Agreement  relied  upon,  and shall set forth in  reasonable
detail the facts and circumstances claimed to provide a basis for termination of
your employment under the provision so indicated.

                    (g)  Person.  The term  "Person"  shall mean and include any
individual, corporation,  partnership, group, association, or other "person," as
such term is used in section 14(d) of the Exchange  Act,  other than the Company
or any employee benefit plan(s) sponsored by the Company.

           7. Notice. For the purposes of this Agreement,  notices and all other
communications  provided for in the  Agreement  shall be in writing and shall be
deemed  to have been  duly  given  when  delivered  or  mailed by United  States
certified  or  registered  mail,  return  receipt  requested,  postage  prepaid,
addressed  to the  respective  addresses  set  forth on the  first  page of this
Agreement,  provided  that all notices to the  Company  shall be directed to the
attention  of the Chief  Executive  Officer  of the  Company  with a copy to the
Secretary  of the  Company,  or to such other  address as either  party may have
furnished to the other in writing in accordance herewith, except that notices of
change of address shall be effective only upon receipt.

         8. Successors; Binding Agreement.

                    (a) This  Agreement  shall  inure to the  benefit of, and be
binding upon, any corporate or other  successor or assignee of the Company which
shall acquire, directly or indirectly, by merger,  consolidation or purchase, or
otherwise,  all or  substantially  all of the business or assets of the Company.
The  Company  shall  require any such  successor,  by an  agreement  in form and
substance  satisfactory  to you,  expressly  to assume and agree to perform this
Agreement  in the same  manner and to the same  extent as the  Company  would be
required to perform if no such succession had taken place.

                                       6

<PAGE>

                    (b) This  Agreement  shall  inure to the  benefit  of and be
enforceable   by   your   personal   or   legal   representatives,    executors,
administrators,  successors, heirs, distributees,  devisees and legatees. If you
should die while any amount  would still be payable to you  hereunder if you had
continued to live, all such amounts,  unless otherwise provided herein, shall be
paid in accordance with the terms of this Agreement to your devisee, legatee, or
other designee or, if there is no such designee, to your estate.

         9. Increased Severance Payments Upon Application of Excise Tax.

                    (a)  Adjustment  of  Payment.  In the event any  payments or
benefits you become  entitled to pursuant to the Agreement or any other payments
or benefits  received or to be  received by you in  connection  with a change in
control of the Company or your  termination of employment  (whether  pursuant to
the terms of any other agreement,  plan, or arrangement,  or otherwise, with the
Company,  any person whose  actions  result in a change in control or any person
affiliated  with  the  Company  or such  person)  (collectively  the  "Severance
Payments") will be subject to the tax (the "Excise Tax") imposed by section 4999
of the Internal Revenue Code of 1986, as amended (the "Code"), the Company shall
pay you an  additional  amount (the  "Gross-Up  Payment") so that the net amount
retained by you, after deduction of the Excise Tax (but before deduction for any
federal,  state  or  local  income  tax) on the  Severance  Payments  and  after
deduction  for the  aggregate  of any  federal,  state,  or local income tax and
Excise Tax upon the gross-Up Payment,  shall be equal to the Severance Payments.
For  purposes of  determining  whether  any of the  Severance  Payments  will be
subject  to the Excise Tax and the  amount of such  Excise  Tax,  (i) the entire
amount of the Severance Payments shall be treated as "parachute payments" within
the meaning of section  280G(b)(2) of the Code and as subject to the Excise Tax,
unless and to the extent, in the written opinion of outside tax counsel selected
by the Company's independent  accountants and reasonably acceptable to you, such
payments  (in whole or in part) are not subject to the Excise Tax;  and (ii) the
value of any noncash benefits or any deferred payment or benefit (constituting a
part of the Severance Payments) shall be determined by the Company's independent
auditors in accordance with the principles of sections 280G(d)(3) and (4) of the
Code. For purposes of determining the amount of the Gross-Up Payment,  you shall
be  deemed to pay  federal  income  taxes at the  highest  marginal  rate of the
federal income taxation  applicable to individuals  (without taking into account
surtaxes or loss or reduction of deductions)  for the calendar year in which the
Gross-Up  Payment is to be made and state and local  income taxes at the highest
marginal  rates of taxation in the state and  locality of your  residence on the
date of Termination. In the event that the amount of Excise Tax you are required
to pay is subsequently  determined to be less than the amount taken into account
hereunder,  you  shall  repay to the  Company  promptly  after the time that the
amount of such  reduction in Excise Tax is finally  determined the amount of the
reduction, together with interest on the amount of such reduction at the rate of
6 percent  per annum  from the date of the  Gross-Up  Payment,  plus,  if in the
written  opinion of outside tax counsel  selected by the  Company's  independent
accountants  and  reasonably  acceptable  to you,  such  payment  (or a  portion
thereof) was not taxable income to you when reported or is deductible by you for
federal  income tax  purposes,  the net federal  income tax benefit you actually
realize as a result of making such  payment  pursuant to this  sentence.  In the
event  that the  amount of Excise Tax you are  required  to pay is  subsequently
determined to exceed the amount taken into account hereunder,  the Company shall
make an additional  Gross-Up Payment in the manner set forth above in respect of
such excess (plus any  interest,  additions

                                       7

<PAGE>

to tax, or penalties  payable by you with respect to such excess) promptly after
the time that the amount can be reasonably determined.

                    (b)  Time  of  Payment:   Estimated  Payment.  The  payments
provided  for in  subsection  (a) above,  shall be made not later than the fifth
business day following the Date of Termination;  provided,  however, that if the
amounts of such payments cannot be finally determined on or before such day, the
Company shall pay to you on such day an estimate, as determined in good faith by
the Company, of the minimum amount of such payments, and shall pay the remainder
of such payments  (together with interest at the rate of 6 percent per annum) as
soon as the amount  thereof can be  determined.  In the event that the amount of
the estimated payments exceeds the amount  subsequently  determined to have been
due, such excess shall  constitute a loan by the Company to you,  payable on the
fifth day after demand by the Company  (together  with interest at the rate of 6
percent per annum).

           10.  Miscellaneous.  No provision of this  Agreement may be modified,
waived, or discharged unless such  modification,  waiver, or discharge is agreed
to in a writing  signed by you and the Chief  Executive  Officer or President of
the  Company.  No waiver by either party hereto at any time of any breach by the
other party hereto of, or of compliance with, any condition or provision of this
Agreement  to be  performed  by such  other  party  shall be  deemed a waiver of
similar or  dissimilar  provisions or conditions at the same, or at any prior or
subsequent,  time. No agreements or representations,  oral or otherwise, express
or implied,  with respect to the subject  matter hereof have been made by either
party  which  are not  expressly  set  forth in this  Agreement.  The  validity,
interpretation,  construction,  and  performance  of  this  Agreement  shall  be
governed  by  laws  of the  State  of New  York  without  giving  effect  to the
principles of conflict of laws thereof.

           11. Legal Fees and  Expenses.  The Company shall pay or reimburse any
reasonable  legal fees and expenses you may incur in  connection  with any legal
action to  enforce  your  rights  under,  or to defend  the  validity  of,  this
Agreement.  The Company will pay or reimburse  such legal fees and expenses on a
regular,  periodic basis upon  presentation  by you of a statement or statements
prepared by your counsel in accordance with its usual practices.

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

           13. Payments During Controversy.  Notwithstanding the pendency of any
dispute  or  controversy,  the  Company  will  continue  to pay  you  your  full
compensation  in effect  when the notice  giving  rise to the  dispute was given
(including,  but not  limited  to, base  salary and  installments  of  incentive
compensation)  and continue you as a participant in all  compensation,  benefit,
and insurance plans in which you were  participating when the notice giving rise
to the dispute was given,  until the dispute is finally  resolved in  accordance
with section 7(c).  Amounts paid under this section are in addition to all other
amounts due under this  Agreement and shall not be offset  against or reduce any
other amounts due under this  Agreement.  You shall be entitled to seek specific
performance  of your right to be paid until the Date of  Termination  during the
pendency of any dispute or controversy  arising

                                       8

<PAGE>

under or in connection with this Agreement.

           If this  letter  correctly  sets forth our  agreement  on the subject
matter  hereof,  kindly sign and return to the Company the enclosed copy of this
letter, which will then constitute our agreement on this subject.

                                Very truly yours,

                                NBT BANCORP INC.


                                By:
                                   ---------------------------------------------
                                    Daryl R. Forsythe
                                    President and Chief Executive Officer


AGREED TO:


- ---------------------------------------------------
        [                                ]








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