CNY FINANCIAL CORP
8-K, 2000-01-06
SAVINGS INSTITUTION, FEDERALLY CHARTERED
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                         PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


         DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) December 28, 1999
                                                          -----------------

                         Commission file number 0-24739
                            CNY FINANCIAL CORPORATION
             (Exact name of registrant as specified in its charter)

               DELAWARE                                  16-1557490
     -------------------------------       ------------------------------------
     (State or other jurisdiction of       (I.R.S. Employer Identification No.)
     incorporation or organization)

                 ONE NORTH MAIN STREET, CORTLAND, NEW YORK 13450
                 -----------------------------------------------
                    (Address of principal executive offices)

Registrant's telephone number, including area code: (607) 756-5643

<PAGE>


Items 1, 2, 3, 4 and 6:  Not Applicable

Item 5.  Other Events


         CNY Financial Corporation (the "Registrant" or "CNYF") entered into an
Agreement and Plan of Merger (the "Agreement') with Niagara Bancorp, Inc. and
Niagara Merger Corp. as of December 28, 1999. CNYF is the holding company for
Cortland Savings Bank. As of September 30, 1999, CNYF had total assets of $296.3
million and total deposits of $196.4 million. Under the terms of the Agreement,
CNYF will be merged into Niagara Merger Corp, a subsidiary of Niagara Bancorp,
all shares and outstanding stock options of CNYF will be canceled, and Niagara
Bancorp will pay $18.75 per share in cash for each of the 4,568,385 outstanding
shares, excluding shares under the CNYF Personnel Recognition and Retention Plan
which have not yet been awarded. Niagara Bancorp will also pay, for 340,690
outstanding options under the CNYF Stock Option Plan, $18.75 minus the exercise
price of the options (weighted average exercise price $12.03). The aggregate
purchase price for CNYF is approximately $87.9 million. The transaction will be
accounted for using the purchase method.

         The Registrant has also given Niagara Bancorp, Inc. an option to
purchase 919,814 shares of Registrant's common stock at a price of $16.75 per
share.

         Consummation of the merger is subject to approval by CNYF shareholders
and the receipt of all required regulatory approvals. It is anticipated that the
transaction will be completed by the end of the second quarter of the year 2000.

Item 7.  Financial Statements, Pro Forma Financial Information, and Exhibits

The following Exhibits are filed as part of this report:

    Exhibit No.            Description

2.1 Agreement and Plan of Merger, dated December 28, 1999 by and between CNY
Financial Corporation, Niagara Bancorp, Inc. and Niagara Merger Corp, including
Stock Option Agreement and letter voting agreement as exhibits.

<PAGE>


                                   SIGNATURES

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



                                        CNY Financial Corporation



DATE: January 6, 2000                   By:  /s/ WESLEY STISSER
                                             ---------------------------------
                                                 Wesley Stisser, President and
                                                 Chief Executive Officer

<PAGE>


                                  EXHIBIT INDEX

The following Exhibits are filed as part of this report:


Exhibit No.                Description

2.1                        Agreement and Plan of Merger, dated December 28, 1999
                           by and between CNY Financial Corporation, Niagara
                           Bancorp, Inc. and Niagara Merger Corp, including
                           Stock Option Agreement and letter voting agreement as
                           exhibits.




                          AGREEMENT AND PLAN OF MERGER

                                 BY AND BETWEEN

                              NIAGARA BANCORP, INC.

                               NIAGARA MERGER CORP

                                       AND

                            CNY FINANCIAL CORPORATION


                          DATED AS OF DECEMBER 28, 1999

<PAGE>
<TABLE>
<CAPTION>
                          AGREEMENT AND PLAN OF MERGER

                                TABLE OF CONTENTS

                                                                                       Page

                                    ARTICLE I
                               CERTAIN DEFINITIONS

<S>                                                                                      <C>
Section 1.01  Definitions.................................................................2

                                   ARTICLE II
                        THE MERGER AND EXCHANGE OF SHARES

Section 2.01  Effects of Merger; Surviving Corporation....................................7
Section 2.02  Conversion of Shares........................................................7
Section 2.03  Exchange Procedures.........................................................8
Section 2.04  Stock Options and PRRP Shares..............................................10

                                   ARTICLE III
                     REPRESENTATIONS AND WARRANTIES OF CNYF

Section 3.01  Organization...............................................................11
Section 3.02  Capitalization.............................................................12
Section 3.03  Authority; No Violation....................................................12
Section 3.04  Consents...................................................................13
Section 3.05  Financial Statements.......................................................13
Section 3.06  Taxes......................................................................14
Section 3.07  No Material Adverse Effect.................................................15
Section 3.08  Contracts..................................................................15
Section 3.09  Ownership of Property; Insurance Coverage..................................16
Section 3.10  Legal Proceedings..........................................................17
Section 3.11  Compliance With Applicable Law.............................................17
Section 3.12  ERISA......................................................................18
Section 3.13  Brokers, Finders and Financial Advisors....................................19
Section 3.14  Environmental Matters......................................................19
Section 3.15  Loan Portfolio.............................................................21
Section 3.16  Securities Documents.......................................................22
Section 3.17  Related Party Transactions.................................................22
Section 3.18  Schedule of Termination Benefits...........................................22
Section 3.19  Deposits...................................................................23
Section 3.20  Antitakeover Provisions Inapplicable.......................................23
Section 3.21  Fairness Opinion...........................................................23
Section 3.22  Year 2000..................................................................23
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                   ARTICLE IV
                REPRESENTATIONS AND WARRANTIES OF NIAGARA BANCORP

<S>                                                                                     <C>
Section 4.01  Organization...............................................................24
Section 4.02  Capitalization.............................................................24
Section 4.03  Authority; No Violation....................................................25
Section 4.04  Consents...................................................................25
Section 4.05  Compliance with Applicable Law.............................................26
Section 4.06  Information to be Supplied.................................................26
Section 4.07  Year 2000..................................................................26
Section 4.08  Financing..................................................................27

                                    ARTICLE V
                            COVENANTS OF THE PARTIES

Section 5.01  Conduct of CNYF's Business.................................................27
Section 5.02  Access; Confidentiality....................................................30
Section 5.03  Regulatory Matters and Consents............................................31
Section 5.04  Taking of Necessary Action.................................................32
Section 5.05  Certain Agreements.........................................................32
Section 5.06  No Other Bids and Related Matters..........................................34
Section 5.07  Duty to Advise; Duty to Update CNYF Disclosure Schedules...................35
Section 5.08  Conduct of Niagara Bancorp's Business......................................35
Section 5.09  Board and Committee Minutes................................................36
Section 5.10  Undertakings by CNYF and Niagara Bancorp...................................36
Section 5.11  Employee and Termination of Benefits; Directors and Management.............38
Section 5.12  Duty to Advise; Duty to Update Niagara Bancorp's Disclosure Schedule.......39
Section 5.13  Governance and Related Matters.............................................39

                                   ARTICLE VI
                                   CONDITIONS

Section 6.01  Conditions to CNYF's Obligations under this Agreement......................40
Section 6.02  Conditions to Niagara Bancorp's Obligations under this Agreement...........41

                                   ARTICLE VII
                        TERMINATION, WAIVER AND AMENDMENT

Section 7.01  Termination................................................................42
Section 7.02  Effect of Termination......................................................43
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
                                  ARTICLE VIII
                                  MISCELLANEOUS
<S>                                                                                     <C>
Section 8.01  Expenses...................................................................43
Section 8.02  Non-Survival of Representations and Warranties.............................44
Section 8.03  Amendment, Extension and Waiver............................................44
Section 8.04  Entire Agreement...........................................................44
Section 8.05  No Assignment..............................................................44
Section 8.06  Notices....................................................................44
Section 8.07  Captions...................................................................45
Section 8.08  Counterparts...............................................................45
Section 8.09  Severability...............................................................45
Section 8.10  Specific Performance.......................................................46
Section 8.11  Governing Law..............................................................46
</TABLE>








EXHIBITS:
         Exhibit A         Stock Option Agreement
         Exhibit B         Form of CNYF Voting Agreement
         Exhibit 6.1       Form of Opinion of Counsel for Niagara Bancorp
         Exhibit 6.2       Form of Tax Opinion of Counsel for Niagara Bancorp
         Exhibit 6.3       Form of Opinion of Counsel for CNYF

<PAGE>


                          AGREEMENT AND PLAN OF MERGER

         THIS  AGREEMENT  AND PLAN OF  MERGER  (this  "Agreement"),  dated as of
December 28, 1999, is by and among Niagara Bancorp, Inc., a Delaware corporation
("Niagara Bancorp"),  Niagara Merger Corp, a wholly-owned  subsidiary of Niagara
Bancorp incorporated under the laws of the State of Delaware,  and CNY Financial
Corporation,  a Delaware corporation ("CNYF"). Each of Niagara Bancorp,  Niagara
Merger Corp and CNYF is sometimes  individually referred to herein as a "party,"
and Niagara  Bancorp,  Niagara  Merger Corp and CNYF are sometimes  collectively
referred to herein as the "parties."

                                    RECITALS

         WHEREAS,  Niagara  Bancorp,  a registered  bank holding  company,  with
principal offices in Lockport,  New York, owns all of the issued and outstanding
capital  stock of Lockport  Savings  Bank,  a New York  chartered  savings  bank
("Lockport Savings"), with principal offices in Lockport, New York.

         WHEREAS,  CNYF,  a  registered  bank holding  company,  with  principal
offices in Cortland,  New York, owns all of the issued and  outstanding  capital
stock of Cortland Savings Bank ("CSB"),  a New York chartered savings bank, with
principal offices in Cortland, New York.

         WHEREAS,  the Boards of Directors of the respective parties hereto deem
it  advisable  and in the  best  interests  of the  respective  stockholders  to
consummate the business  combination  transaction  contemplated  herein in which
CNYF, subject to the terms and conditions set forth herein, shall be merged with
and into Niagara Merger Corp, with CNYF surviving the merger,  to be followed by
the merger of CNYF with and into Niagara Bancorp, with Niagara Bancorp surviving
the merger (collectively referred to as the "Merger"),  with the result that CSB
shall be, and shall operate as, a  wholly-owned  subsidiary of Niagara  Bancorp;
and

         WHEREAS,  in  connection  with the execution of this  Agreement,  as an
inducement  to Niagara  Bancorp to enter into this  Agreement,  CNYF and Niagara
Bancorp  have  entered  into a Stock  Option  Agreement  dated  as of even  date
herewith pursuant to which CNYF will grant Niagara Bancorp the right to purchase
certain shares of CNYF Common Stock; and

         WHEREAS, the parties hereto desire to provide for certain undertakings,
conditions,  representations,  warranties  and covenants in connection  with the
Merger, and the other transactions contemplated by this Agreement, and the Stock
Option Agreement (collectively, the "Merger Documents").

         NOW,  THEREFORE,  in  consideration  of the  premises and of the mutual
representations,  warranties and covenants  herein contained and intending to be
legally bound hereby, the parties hereto do hereby agree as follows:

<PAGE>


                                    ARTICLE I
                               CERTAIN DEFINITIONS

         SECTION 1.01 DEFINITIONS.  Except as otherwise provided herein, as used
in this Agreement,  the following terms shall have the indicated  meanings (such
meanings to be equally  applicable  to both the singular and plural forms of the
terms defined):

                  "Affiliate"  means, with respect to any Person, any Person who
         directly, or indirectly, through one or more intermediaries,  controls,
         or is controlled by, or is under common control with,  such Person and,
         without  limiting  the  generality  of  the  foregoing,   includes  any
         executive  officer or director of such Person and any Affiliate of such
         executive officer or director.

                  "Agreement"  means  this  agreement,   and  any  amendment  or
         supplement hereto, which constitutes a "plan of merger" between Niagara
         Bancorp, Niagara Merger Corp and CNYF.

                  "Applications"  means the applications for regulatory approval
         which are required by the transactions contemplated hereby.

                  "BIF" means the Bank Insurance Fund administered by the FDIC.

                  "BHCA" means the Bank Holding Company Act of 1956, as amended.

                  "Closing Date" means the date  determined by Niagara  Bancorp,
         in its sole  discretion,  upon five (5) days  prior  written  notice to
         CNYF,  but in no event  later  than  fifteen  (15) days  after the last
         condition  precedent  pursuant to this  Agreement has been fulfilled or
         waived (including the expiration of any applicable waiting period),  or
         such other date as to which  Niagara  Bancorp  and CNYF shall  mutually
         agree.

                  "CNYF Common  Stock" means the common stock of CNYF  described
in Section 3.02(a).

                  "CNYF  Disclosure  Schedules"  means the Disclosure  Schedules
         delivered  by CNYF to Niagara  Bancorp  pursuant to Article III of this
         Agreement.

                  "CNYF Financials" means (i) the audited consolidated financial
         statements  of CNYF as of  December  31,1998  and1997 and for the three
         years ended December 31,1998, including the notes thereto, and (ii) the
         unaudited interim consolidated  financial statements of CNYF as of each
         calendar quarter thereafter  included in Securities  Documents filed by
         CNYF.

                  "CNYF Stock Option Plan" means the CNY  Financial  Corporation
         Stock Option Plan for Directors, Officers and Employees.

                                       2
<PAGE>


                  "CNYF  Regulatory  Reports"  means the Call Reports of CSB and
         accompanying  schedules,  as filed  with the  FDIC,  for each  calendar
         quarter  beginning  with the quarter ended March 31, 1998,  through the
         Closing Date, and all Annual Reports on Form FR Y-6, any Current Report
         on Form FR Y-6A  filed  with  the  FRB by CNYF  from  December  31,1998
         through the Closing Date.

                  "CNYF  Subsidiary"  means any corporation,  50% or more of the
         capital  stock of which is owned,  either  directly or  indirectly,  by
         CNYF, except any corporation the stock of which is held in the ordinary
         course of the lending activities of CNYF.

                  "Code" means the Internal Revenue Code of 1986, as amended.

                  "Merger" means the merger of CNYF with and into Niagara Merger
         Corp,  with CNYF surviving the merger,  to be followed by the merger of
         CNYF, as a wholly-owned  subsidiary of Niagara  Bancorp,  with and into
         Niagara Bancorp, with Niagara Bancorp being the surviving corporation.

                  "Department"  means the Banking Department of the State of New
         York.

                  "DGCL" means the Delaware General Corporation Law.

                  "DOL" means the U.S. Department of Labor.

                  "Environmental  Laws" means any Federal or state law, statute,
         rule, regulation,  code, order, judgement,  decree, injunction,  common
         law or  agreement  with any  Federal  or state  governmental  authority
         relating to (i) the  protection,  preservation  or  restoration  of the
         environment  (including air, water vapor,  surface water,  groundwater,
         drinking water supply,  surface land, subsurface land, plant and animal
         life or any  other  natural  resource),  (ii)  human  health  or safety
         relating to the presence of Hazardous  Material,  or (iii) exposure to,
         or the use, storage, recycling, treatment, generation,  transportation,
         processing,  handling,  labeling,  production,  release or disposal of,
         Hazardous Material, in each case as amended and now in effect.

                  "ERISA" means the Employee  Retirement  Income Security Act of
         1974, as amended.

                  "Exchange Act" means the  Securities  Exchange Act of 1934, as
         amended,  and the rules and regulations  promulgated  from time to time
         thereunder.

                  "Exchange  Agent" means the entity selected by Niagara Bancorp
         and  agreed  to by  CNYF,  as  provided  in  Section  2.01(b)  of  this
         Agreement.

                  "FDIA" means the Federal Deposit Insurance Act, as amended.

                  "FDIC" means the Federal Deposit Insurance Corporation.

                                       3
<PAGE>


                  "FRB"  means the Board of  Governors  of the  Federal  Reserve
         System.

                  "GAAP" means generally  accepted  accounting  principles as in
         effect at the relevant date and consistently applied.

                  "Hazardous  Material"  means  any  substance  (whether  solid,
         liquid  or gas)  which is or could be  detrimental  to human  health or
         safety or to the environment,  currently or hereafter listed,  defined,
         designated or classified as hazardous, toxic, radioactive or dangerous,
         or otherwise regulated, under any Environmental Law, whether by type or
         by quantity, including any substance containing any such substance as a
         component.  Hazardous Material includes,  without limitation, any toxic
         waste, pollutant,  contaminant,  hazardous substance,  toxic substance,
         hazardous waste, special waste, industrial substance, oil or petroleum,
         or any derivative or by-product thereof,  radon,  radioactive material,
         asbestos,   asbestos-containing   material,   urea   formaldehyde  foam
         insulation, lead and polychlorinated biphenyl.

                  "IRC" means the Internal Revenue Code of 1986, as amended.

                  "IRS" means the Internal Revenue Service.

                  "Loan  Property"  shall have the meaning given to such term in
Section 3.14(b) of this Agreement.

                  "Lockport Savings" means Lockport Savings Bank, Lockport,  New
         York.

                  "Material  Adverse  Effect" shall mean,  with respect to CNYF,
         any adverse  effect on its assets,  financial  condition  or results of
         operations  which is  material to its assets,  financial  condition  or
         results of operations on a consolidated  basis, except for any material
         adverse  effect  caused by (i) any change in the value of the assets of
         CNYF  resulting  from a change in interest  rates  generally,  (ii) any
         individual or combination of changes occurring after the date hereof in
         any  federal  or  state  law,  rule or  regulation  or in  GAAP,  which
         change(s) affect(s)  financial  institutions  generally,  including any
         changes affecting the Bank Insurance Fund, or (iii) any action taken by
         CNYF or any CNYF Subsidiary at the request of Niagara Bancorp.

                  "Merger  Effective  Date"  means  that  date  upon  which  the
         certificate  of merger as to the  merger of CNYF with and into  Niagara
         Merger  Corp is filed  with the  Delaware  Office of the  Secretary  of
         State,  or as  otherwise  stated  in  the  certificate  of  merger,  in
         accordance with the of the DGCL.

                  "Niagara  Bancorp  Common Stock" has the meaning given to that
         term in Section 4.02(a) of this Agreement.

                                       4
<PAGE>


                  "Niagara  Bancorp  Disclosure  Schedules" means the Disclosure
         Schedules  delivered by Niagara  Bancorp to CNYF pursuant to Article IV
         of this Agreement.

                  "Niagara   Bancorp   Financials"   means   (i)   the   audited
         consolidated financial statements of Niagara Bancorp as of December 31,
         1998  and  1997  and for the  three  years  ended  December  31,  1998,
         including  the  notes   thereto,   and  (ii)  the   unaudited   interim
         consolidated  financial  statements  of  Niagara  Bancorp  as  of  each
         calendar quarter thereafter  included in Securities  Documents filed by
         Niagara Bancorp

                  "Niagara Bancorp Regulatory Reports" means the Call Reports of
         Lockport  Savings and accompanying  schedules,  as filed with the FDIC,
         for each calendar  quarter  beginning  with the quarter ended March 31,
         1999,  through the Closing Date, and all Annual Reports on Form FR Y-6,
         any  Current  Report of on Form FR Y-6A  filed  with the FRB by Niagara
         Bancorp from April 17, 1998 through the Closing Date.

                  "Niagara  Bancorp  Option" means the option granted to Niagara
         Bancorp to acquire  shares of CNYF Common  Stock  pursuant to the Stock
         Option Agreement.

                  "Niagara Bancorp  Subsidiary"  means any  corporation,  50% or
         more of the  capital  stock of  which  is  owned,  either  directly  or
         indirectly,   by  Niagara  Bancorp  or  Lockport  Savings,  except  any
         corporation the stock of which is held as security by Lockport  Savings
         in the ordinary course of its lending activities.

                  "Participation  Facility" shall have the meaning given to such
         term in Section 3.14(b) of this Agreement.

                  "Person" means any individual, corporation, partnership, joint
         venture,  association,  trust or "group" (as that term is defined under
         the Exchange Act).

                  "PRRP"  means the CNYF  Personnel  Recognition  and  Retention
         Plan.

                  "Proxy Statement" means the proxy statement, together with any
         supplements  thereto, to be transmitted to holders of CNYF Common Stock
         in connection with the transactions contemplated by this Agreement.

                  "Regulatory  Agreement"  has the meaning given to that term in
Section 3.11 of this Agreement.

                  "Regulatory  Authority"  means any agency or department of any
         federal  or  state  government,   including   without   limitation  the
         Superintendent,  the OCC, the FDIC,  the FRB, the SEC or the respective
         staffs thereof.

                  "REIT  Preferred  Stock" means the preferred stock of Cortland
REIT Corp., a New York corporation.

                                       5
<PAGE>


                  "Rights"  means   warrants,   options,   rights,   convertible
         securities and other capital stock equivalents which obligate an entity
         to issue its securities.

                  "SBLI" means Savings Bank Life Insurance.

                  "SEC" means the Securities and Exchange Commission.

                  "Securities Act" means the Securities Act of 1933, as amended,
         and the rules and regulations promulgated from time to time thereunder.

                  "Securities  Documents"  means  all  registration  statements,
         schedules,  statements,  forms,  reports,  proxy  material,  and  other
         documents required to be filed under the Securities Laws.

                  "Securities  Laws" means the  Securities  Act and the Exchange
         Act  and  the  rules  and  regulations  promulgated  from  time to time
         thereunder.

                  "Stock  Option  Agreement"  means the Stock  Option  Agreement
         dated as of even  date  herewith  pursuant  to which  CNYF has  granted
         Niagara  Bancorp  the right to purchase  certain  shares of CNYF Common
         Stock and which is attached to this Agreement as Exhibit A thereto.

                  "Subsidiary" means any corporation, 50% or more of the capital
         stock of which is owned,  either  directly  or  indirectly,  by another
         entity,  except any  corporation the stock of which is held as security
         by either Niagara  Bancorp or CNYF, as the case may be, in the ordinary
         course of its lending activities.

                  "Superintendent"  means  the  Superintendent  of  Banks of the
         State of New York, and where appropriate includes the State of New York
         Banking Department and the Banking Board of the State of New York.

                                       6
<PAGE>


                                   ARTICLE II
                        THE MERGER AND EXCHANGE OF SHARES

         SECTION 2.01      EFFECTS OF MERGER; SURVIVING CORPORATION.

         (a)      (i) On the Merger  Effective  Date,  Niagara Merger Corp shall
merge with and into CNYF;  the separate  existence of Niagara  Merger Corp shall
cease;  CNYF shall be the surviving  corporation  in the Merger (the  "Surviving
Corporation") and a wholly-owned  subsidiary of Niagara Bancorp;  and all of the
property (real,  personal and mixed),  rights, powers and duties and obligations
of Niagara Merger Corp shall be taken and deemed to be transferred to and vested
in CNYF,  as the Surviving  Corporation  in the Merger,  without  further act or
deed; all in accordance with the applicable laws of the State of Delaware.

                  (ii)  On  the  Merger   Effective  Date:  the  Certificate  of
Incorporation of the Surviving Corporation shall be amended and restated to read
in its entirety as the Certificate of  Incorporation  of Niagara Merger Corp, as
in effect  immediately prior to the Merger Effective Date; and the Bylaws of the
Surviving Corporation shall be amended and restated to read in their entirety as
the Bylaws of Niagara Merger Corp, as in effect  immediately prior to the Merger
Effective Date, until thereafter altered, amended or repealed in accordance with
applicable law.

                  (iii) On the Merger  Effective  Date, the directors of Niagara
Merger Corp duly elected and holding office  immediately  prior to the Effective
Date shall be the directors of the Surviving  Corporation in the Merger, each to
hold office until his or her  successor is elected and qualified or otherwise in
accordance  with the  Certificate of  Incorporation  and Bylaws of the Surviving
Corporation.

                  (iv) On the Merger  Effective  Date,  the  officers of Niagara
Merger Corp duly elected and holding office  immediately  prior to the Effective
Date shall be the officers of the Surviving  Corporation in the Merger,  each to
hold office until his or her  successor is elected and qualified or otherwise in
accordance with the Certificate of Incorporation and the Bylaws of the Surviving
Corporation.

         (b)  Notwithstanding  any provision of this  Agreement to the contrary,
Niagara Bancorp may elect,  subject to the filing of all necessary  applications
and the receipt of all required regulatory approvals, to modify the structure of
the  transactions  contemplated  hereby,  and the parties  shall enter into such
alternative  transactions,  so long as (i) there are no adverse tax consequences
to any of the  stockholders,  directors  or officers of CNYF as a result of such
modification,  (ii) the Merger  Consideration  is not thereby changed in kind or
reduced in amount because of such  modification and (iii) such modification will
not be  likely  to  materially  delay  or  jeopardize  receipt  of any  required
regulatory approvals.

         SECTION 2.02  CONVERSION  OF SHARES.  Subject to Section  6.03,  at the
Merger  Effective  Date,  by virtue of the Merger and  without any action on the
part of CNYF or the holders of shares of CNYF Common Stock:

                                       7
<PAGE>


         (i) Each outstanding  share of CNYF Common Stock issued and outstanding
at the Merger  Effective  Date,  except as  provided in clause (ii) and (iii) of
this Section,  shall cease to be outstanding,  shall cease to exist and shall be
converted  into the right to receive  $18.75 in cash (referred to as the "Merger
Consideration).

         (ii) Any shares of CNYF Common  Stock which are owned or held by either
party hereto or any of their respective  Subsidiaries (other than in a fiduciary
capacity  or in  connection  with  debts  previously  contracted)  at the Merger
Effective Date shall cease to exist,  the  certificates for such shares shall as
promptly as practicable be canceled, such shares shall not be converted into the
Merger Consideration,  and no cash or shares of capital stock of Niagara Bancorp
shall be issued or exchanged therefor.

         (iii) The Surviving Corporation shall pay for any Dissenters' Shares in
accordance  with Section 262 of the DGCL,  and the holders  thereof shall not be
entitled to receive any Merger Consideration; provided, that if appraisal rights
under Section 262 of the DGCL with respect to any Dissenters'  Shares shall have
been  effectively  withdrawn  or lost,  such shares will  thereupon  cease to be
treated as  Dissenters'  Shares and shall be converted into the right to receive
the Merger Consideration pursuant to this Section 2.02.

         (iv) Each share of Niagara  Bancorp Common Stock issued and outstanding
immediately  before the Merger Effective Date shall remain an outstanding  share
of Common Stock of Niagara Bancorp

         (v) The  holders of  certificates  representing  shares of CNYF  Common
Stock (any such certificate  being  hereinafter  referred to as a "Certificate")
shall cease to have any rights as stockholders of CNYF,  except such rights,  if
any, as they may have pursuant to applicable law.

         SECTION 2.03      EXCHANGE PROCEDURES.

         (a) As promptly as  practicable  after the Effective  Date,  and in any
event within five calendar days of the Merger  Effective Date, an Exchange Agent
designated  by  Niagara  Bancorp  shall  mail to each  holder  of  record  of an
outstanding share Certificate or Certificates a Letter of Transmittal containing
instructions  for the surrender of the Certificate or Certificates  held by such
holder for payment  therefor.  Upon surrender of the Certificate or Certificates
to the  Exchange  Agent in  accordance  with the  instructions  set forth in the
Letter of Transmittal,  such holder shall promptly receive in exchange  therefor
the Merger  Consideration,  without interest  thereon.  The Exchange Agent shall
send payments within three business days after the receipt of properly submitted
documents.  Approval  of  this  Agreement  by the  stockholders  of  CNYF  shall
constitute  authorization  for Niagara  Bancorp to  designate  and appoint  such
Exchange  Agent.  Neither  Niagara  Bancorp  nor the  Exchange  Agent  shall  be
obligated to deliver the Merger  Consideration  to a former  stockholder of CNYF
until such former stockholder  surrenders his Certificate or Certificates or, in
lieu thereof, any such appropriate affidavit of loss and indemnity agreement and
bond as may be reasonably required by Niagara Bancorp. The Exchange Agent in its
agreement shall be obligated to pay the Merger  Consideration in accordance with
this Agreement.

                                       8
<PAGE>


         (b) If payment of the  Merger  Consideration  is to be made to a person
other  than the  person in whose  name a  Certificate  surrendered  in  exchange
therefore is registered, it shall be a condition of payment that the Certificate
so  surrendered  shall be properly  endorsed (or  accompanied  by an appropriate
instrument of transfer) and otherwise in proper form for transfer,  and that the
person requesting such payment shall pay any transfer or other taxes required by
reason  of the  payment  to a person  other  than the  registered  holder of the
Certificate surrendered, or required for any other reason, or shall establish to
the  satisfaction  of the  Exchange  Agent that such tax has been paid or is not
payable.

         (c) On or prior to the Merger  Effective  Date,  Niagara  Bancorp shall
deposit or cause to be deposited, in trust with the Exchange Agent, an amount of
cash equal to the  aggregate  Merger  Consideration  that the CNYF  stockholders
shall be entitled to receive on the Merger  Effective  Date  pursuant to Section
2.02 hereof.

         (d) The payment of the Merger Consideration upon the conversion of CNYF
Common Stock in accordance  with the above terms and conditions  shall be deemed
to have been issued and paid in full  satisfaction  of all rights  pertaining to
such CNYF Common Stock.

         (e) Promptly following the date which is twelve months after the Merger
Effective  Date, the Exchange  Agent shall deliver to Niagara  Bancorp all cash,
certificates and other documents in its possession  relating to the transactions
described in this Agreement,  and the Exchange  Agent's duties shall  terminate.
Thereafter,  each holder of a Certificate  formerly  representing shares of CNYF
Common Stock may surrender such  Certificate to Niagara  Bancorp and (subject to
applicable   abandoned   property,   escheat  and  similar   laws)   receive  in
consideration  therefore  the Merger  Consideration  multiplied by the number of
shares of CNYF Common Stock formerly  represented by such  Certificate,  without
any interest or dividends thereon.

         (f) After the close of business  on the Merger  Effective  Date,  there
shall be no transfers on the stock  transfer books of CNYF of the shares of CNYF
Common Stock which are  outstanding  immediately  prior to the Merger  Effective
Date,  and the stock transfer books of CNYF shall be closed with respect to such
shares.  If, after the Merger  Effective Date,  Certificates  representing  such
shares are presented for transfer to the Exchange Agent,  they shall be canceled
and exchanged for the Merger Consideration as provided in this Article II.

         (g) In the event any  certificate for CNYF Common Stock shall have been
lost, stolen or destroyed, the Exchange Agent shall deliver (except as otherwise
provided in Section  2.02(iii))  in exchange for such lost,  stolen or destroyed
certificate,  upon the making of an affidavit of the fact by the holder thereof,
the cash to be paid in the Merger as  provided  for herein;  provided,  however,
that Niagara Bancorp may, in its sole discretion and as a condition precedent to
the  delivery  thereof,  require  the owner of such  lost,  stolen or  destroyed
certificate  to  deliver a bond in such  reasonable  sum as  Niagara  Bancorp as
indemnity  against any claim that may be made against CNYF,  Niagara  Bancorp or
any other  party  with  respect  to the  certificate  alleged to have been lost,
stolen or destroyed.

                                       9
<PAGE>


         (h) Niagara Bancorp is hereby  authorized to adopt additional rules and
regulations  with  respect to the matters  referred to in this  Section 2.03 not
inconsistent with the provisions of this Agreement.

         SECTION  2.04 STOCK  OPTIONS AND PRRP SHARES.  On the Merger  Effective
Date, each option issued and outstanding that is unexercised  pursuant to CNYF's
Stock Option Plan (options to purchase 340,690 shares, subject to reduction upon
the exercise of  outstanding  options)  shall  convert into the right to receive
cash in an amount equal to the Merger  Consideration minus the exercise price of
the option,  multiplied  by the number of shares  covered by the option.  On the
Merger Effective Date, CNYF shall provide Niagara Bancorp with a schedule of all
outstanding  options not exercised,  the exercise price thereof,  the optionee's
mailing address, and the optionees'  acknowledgment that the payment pursuant to
this  Section  2.04 shall be in full  satisfaction  of all rights under the CNYF
Stock Option Plan and any option award agreement entered into thereunder. Within
three business days after the Merger  Effective Date,  Niagara Bancorp shall pay
to the  holders  of the  options,  by  mailing a bank  check for the same to the
applicable address shown on the schedule, the amount payable with respect to the
option as set forth in this paragraph,  net of any applicable withholding taxes.
Such payments shall be in full  satisfaction  of all the optionee's  rights with
respect to the option.

         All  shares  awarded  pursuant  to the  PRRP  which  have  not yet been
distributed  by the PRRP trust to the beneficial  owners  thereof shall,  on the
Merger   Effective   Date,   convert  into  the  right  to  receive  the  Merger
Consideration  and shall be treated in the same  manner as all other  issued and
outstanding  shares.  CNYF shall take all  actions  necessary  so that as of the
Merger  Effective Date, or as soon thereafter as permitted under the PRRP trust,
all shares held by the PRRP trust which are not yet the subject of awards  shall
be returned to CNYF or the  Surviving  Corporation  and no Merger  Consideration
shall be payable with respect thereto,  except to the extent the Niagara Bancorp
reasonably directs CNYF to do otherwise.

         CNYF hereby represents and warrants to Niagara Bancorp that the maximum
number of shares of CNYF  Common  Stock  subject  to  issuance  pursuant  to the
exercise of stock options issued and  outstanding  under CNYF Stock Option Plans
is not and shall not be at or prior to the Effective  Time more than 340,690 and
the maximum number of shares  awarded  pursuant to the PRRP is not and shall not
be at or prior to the Effective Time more than 181,278 shares.

                                       10
<PAGE>


                                   ARTICLE III
                     REPRESENTATIONS AND WARRANTIES OF CNYF

         CNYF  represents  and warrants to Niagara  Bancorp that the  statements
contained  in this  Article III are correct and  complete as of the date of this
Agreement  and  will be  correct  and  complete  as of the  Closing  Date in all
material  respects  (as  though  made then and as though the  Closing  Date were
substituted for the date of this Agreement  throughout this Article III), except
as set  forth in the CNYF  Disclosure  Schedules  delivered  by CNYF to  Niagara
Bancorp on the date hereof. CNYF has made a good faith effort to ensure that the
disclosure on each schedule of the CNYF Disclosure Schedules  corresponds to the
section  reference  herein.   However,  for  purposes  of  the  CNYF  Disclosure
Schedules,  any item  disclosed  on any  schedule  therein is deemed to be fully
disclosed with respect to all schedules under which such item may be relevant.

         SECTION 3.01      ORGANIZATION.

         (a) CNYF is a corporation duly organized,  validly existing and in good
standing  under the laws of the State of Delaware,  and is duly  registered as a
bank holding company under the Bank Holding Company Act of 1956, as amended (the
"BHCA"). CNYF has full corporate power and authority to carry on its business as
now  conducted and is duly licensed or qualified to do business in the states of
the United  States and foreign  jurisdictions  where its ownership or leasing of
property or the conduct of its business requires such qualification.

         (b) CSB is a  savings  bank  organized,  validly  existing  and in good
standing  under the laws of the  State of New York.  Except as set forth in CNYF
DISCLOSURE  SCHEDULE 3.01(b),  CSB is the only CNYF Subsidiary.  The deposits of
CSB are insured by the FDIC through the BIF to the fullest  extent  permitted by
law,  and all  premiums  and  assessments  required  to be  paid  in  connection
therewith  have been paid when due by CSB.  CSB is a member in good  standing of
the Federal  Home Loan Bank of New York and owns the  requisite  amount of stock
therein.  Each other CNYF Subsidiary is a corporation  duly  organized,  validly
existing  and  in  good  standing  under  the  laws  of  its   jurisdiction   of
incorporation  or  organization.  CNYF has heretofore  made available to Niagara
Bancorp a complete  and correct copy of the  Certificate  of  Incorporation  and
By-laws  or  comparable  organizational  documents,  each as amended to the date
hereof, of each of its Subsidiaries.

         (c) Except  as  disclosed  in CNYF  DISCLOSURE  SCHEDULE  3.01(c),  the
respective minute books of CNYF and each CNYF Subsidiary  accurately  record, in
all  material  respects,  all  material  corporate  actions of their  respective
shareholders and boards of directors (including  committees) through the date of
this  Agreement.  The CSB SBLI  Department  and its employees  have all licenses
required in order to conduct the  business of the SBLI  Department  as presently
conducted.  Any surplus  accounts  required to be maintained by the Savings Bank
Life Insurance Fund of New York are properly maintained.

         (d) Prior to the date of this Agreement,  CNYF has delivered to Niagara
Bancorp true and correct copies of the certificate of  incorporation  and bylaws
of CNYF and CSB.

                                       11
<PAGE>


         SECTION 3.02      CAPITALIZATION.

         (a) The authorized  capital stock of the Company consists of 18,000,000
shares of Common  Stock,  $.01 par value per share ("CNYF  Common  Stock"),  and
2,000,000  shares of Preferred  Stock, par value $.01 per share ("CNYF Preferred
Stock").  There are  4,601,373  shares of CNYF Common Stock  validly  issued and
outstanding,  all of which  are  fully  paid and  non-assessable,  which  shares
include  32,988  shares which the PRRP Trust owns but which have not yet awarded
to PRRP participants.  No shares of CNYF Preferred Stock have been issued or are
outstanding.  Neither CNYF nor any CNYF  Subsidiary has or is bound by any Right
of any  character  relating to the  purchase,  sale or issuance or voting of, or
right to receive dividends or other  distributions on, any shares of CNYF Common
Stock, or any other security of CNYF or any securities representing the right to
vote, purchase or otherwise receive any shares of CNYF Common Stock or any other
security of CNYF,  other than shares  issuable under the Niagara  Bancorp Option
and other than as set forth in reasonable detail in the CNYF DISCLOSURE SCHEDULE
3.02(a). CNYF DISCLOSURE SCHEDULE 3.02(a) sets forth: the name of each holder of
options to purchase CNYF Common Stock, the number of shares each such individual
may acquire  pursuant to the exercise of such  options,  and the exercise  price
relating to the options held;  and the name of each  recipient of an award under
the PRRP, the number of unvested  shares subject to such award,  and the vesting
schedule.

         (b) CNYF owns all of the  capital  stock of CSB,  free and clear of any
lien or encumbrance.  Except for the CNYF Subsidiaries, and as set forth in CNYF
DISCLOSURE SCHEDULE 3.02(b), CNYF does not possess, directly or indirectly,  any
material equity interest in any corporation, except for equity interests held in
the investment  portfolios of CNYF  Subsidiaries,  equity interests held by CNYF
Subsidiaries in a fiduciary  capacity,  equity interests held in connection with
the lending activities of CNYF Subsidiaries, and equity interests held as of the
date of this Agreement by CNYF as passive  investments  not  representing  5% or
more of any  class of stock  of any  issuer.  Except  as  disclosed  in the CNYF
DISCLOSURE SCHEDULE 3.02(b), all the outstanding shares of capital stock of each
CNYF Subsidiary are validly issued,  fully paid and non-assessable and are owned
by CNYF or by a  wholly-owned  subsidiary of CNYF,  free and clear of any Liens.
There are no existing options,  warrants,  calls or other rights,  agreements or
commitments  of any  character  relating to the sale,  issuance or voting of any
shares of the issued or unissued capital stock of any CNYF Subsidiary which have
been issued, granted or entered into by CNYF or any of its Subsidiaries.

         (c) To CNYF's knowledge,  no Person or "group" (as that term is used in
Section  13(d)(3) of the Exchange Act), is the  beneficial  owner (as defined in
Section  13(d) of the Exchange Act) of 5% or more of the  outstanding  shares of
CNYF Common Stock, except as disclosed in the CNYF DISCLOSURE SCHEDULE 3.02(c).

         SECTION 3.03 AUTHORITY; NO VIOLATION.

         (a) CNYF 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 by CNYF and the  completion by CNYF of
the transactions  contemplated hereby have been duly and validly approved by the
Board of Directors of CNYF and, except for approval of the shareholders of CNYF,

                                       12
<PAGE>


no other corporate proceedings on the part of CNYF are necessary to complete the
transactions  contemplated  hereby.  This  Agreement  has been duly and  validly
executed and delivered by CNYF and,  subject to approval by the  shareholders of
CNYF and receipt of the required approvals of Regulatory  Authorities  described
in Section 4.04 hereof,  constitutes  the valid and binding  obligation of CNYF,
enforceable  against CNYF in  accordance  with its terms,  subject to applicable
bankruptcy,  insolvency and similar laws affecting  creditors' rights generally,
and as to CSB, the  conservatorship or receivership  provisions of the FDIA, and
subject, as to enforceability, to general principles of equity.

         (b) (A) The  execution  and  delivery of this  Agreement  by CNYF,  (B)
subject to receipt of approvals from the Regulatory  Authorities  referred to in
Section  4.04  hereof and  CNYF's  and  Niagara  Bancorp's  compliance  with any
conditions contained therein, the consummation of the transactions  contemplated
hereby,  and (C)  compliance  by CNYF or CSB with any of the terms or provisions
hereof will not (i) conflict  with or result in a breach of any provision of the
certificate  of  incorporation  or bylaws of CNYF or any CNYF  Subsidiary or the
charter and bylaws of CSB;  (ii) violate any  statute,  code,  ordinance,  rule,
regulation,  judgment,  order, writ, decree or injunction  applicable to CNYF or
any CNYF Subsidiary or any of their  respective  properties or assets;  or (iii)
violate,  conflict with,  result in a breach of any provisions of,  constitute a
default  (or an event  which,  with  notice  or lapse  of time,  or both,  would
constitute a default),  under,  result in the  termination  of,  accelerate  the
performance  required by, or result in a right of termination or acceleration or
the creation of any lien,  security  interest,  charge or other encumbrance upon
any of the  properties  or  assets  of  CNYF  or CSB  under,  any of the  terms,
conditions or provisions of any note, bond, mortgage,  indenture, deed of trust,
license, lease, agreement or other investment or obligation to which CNYF or CSB
is a party, or by which they or any of their respective properties or assets may
be bound or affected.

         SECTION 3.04 CONSENTS. Except for the consents, waivers, approvals, and
filings  from or with the  Regulatory  Authorities  referred to in Section  4.04
hereof and compliance with any conditions contained therein, and the approval of
this Agreement by the requisite vote of the  shareholders  of CNYF, no consents,
waivers or approvals  of, or filings or  registrations  with,  any  governmental
authority  are  necessary,  and, to CNYF's  knowledge,  no consents,  waivers or
approvals  of, or filings or  registrations  with,  any other third  parties are
necessary,  in connection  with (a) the execution and delivery of this Agreement
by CNYF, and (b) the completion by CNYF or CSB of the transactions  contemplated
hereby.  CNYF has no  reason  to  believe  that  (i) any  required  consents  or
approvals will not be received,  or that (ii) any public body or authority,  the
consent or  approval  of which is not  required  or any filing with which is not
required, will object to the completion of the transactions contemplated by this
Agreement.

         SECTION 3.05 FINANCIAL STATEMENTS.

         (a) CNYF  has  previously   delivered  to  Niagara   Bancorp  the  CNYF
Regulatory Reports.  The CNYF Regulatory Reports have been, or will be, prepared
in all material  respects in accordance  with applicable  regulatory  accounting
principles and practices throughout the periods covered by such statements,  and
fairly  present,   or  will  fairly  present  in  all  material  respects,   the
consolidated financial position, results of operations and changes in

                                       13
<PAGE>


shareholders'  equity  of  CNYF as of and for the  periods  ended  on the  dates
thereof, in accordance with applicable  regulatory accounting principles applied
on a consistent basis.

         (b) CNYF  has  previously   delivered  to  Niagara   Bancorp  the  CNYF
Financials.  The CNYF  Financials  have been, or will be, prepared in accordance
with GAAP, and (including the related notes where applicable) fairly present, or
will fairly present,  in each case in all material respects (subject in the case
of the  unaudited  interim  statements  to  normal  year-end  adjustments),  the
consolidated  financial  position,  results of operations and cash flows of CNYF
and the CNYF  Subsidiaries  as of and for the  respective  periods ending on the
dates thereof,  in accordance with GAAP applied on a consistent basis during the
periods  involved,  except as indicated in the notes thereto,  or in the case of
unaudited statements, as permitted by Form 10-Q.

         (c) At the date of each balance sheet  included in the CNYF  Financials
or the  CNYF  Regulatory  Reports,  CNYF  did not  have,  or will  not  have any
liabilities,  obligations or loss contingencies of any nature (whether absolute,
accrued,  contingent  or  otherwise)  of a type required to be reflected in such
CNYF Financials or CNYF Regulatory Reports or in the footnotes thereto which are
not fully reflected or reserved against therein or fully disclosed in a footnote
thereto,  except for liabilities,  obligations and loss contingencies  which are
not  material  individually  or in the  aggregate  and which are incurred in the
ordinary  course of  business,  consistent  with past  practice  and  except for
liabilities,  obligations  and loss  contingencies  which are within the subject
matter of a specific representation and warranty herein and subject, in the case
of any unaudited  statements,  to normal,  recurring  audit  adjustments and the
absence of footnotes.

         SECTION 3.06 TAXES.  CNYF and the CNYF  Subsidiaries are members of the
same affiliated group within the meaning of IRC Section  1504(a).  CNYF has duly
filed all federal,  state and material local tax returns required to be filed by
or with  respect to CNYF and all CNYF  Subsidiaries  on or prior to the  Closing
Date (all such returns being accurate and correct in all material  respects) and
has duly paid or will pay, or made or will make,  provisions  for the payment of
all material  federal,  state and local taxes which have been incurred by or are
due or  claimed  to be due  from  CNYF  and any CNYF  Subsidiary  by any  taxing
authority  or pursuant to any written tax sharing  agreement  on or prior to the
Closing  Date other than taxes or other  charges  which (i) are not  delinquent,
(ii)  are  being  contested  in good  faith,  or (iii)  have not yet been  fully
determined.  As of the date of this  Agreement,  there is no audit  examination,
deficiency  assessment,  tax  investigation or refund litigation with respect to
any taxes of CNYF or any of its Subsidiaries,  and no claim has been made by any
authority in a jurisdiction  where CNYF or any of its  Subsidiaries  do not file
tax  returns  that CNYF or any such  Subsidiary  is subject to  taxation in that
jurisdiction. Except as set forth in CNYF DISCLOSURE SCHEDULE 3.06, CNYF and its
Subsidiaries  have not  executed  an  extension  or  waiver  of any  statute  of
limitations  on the  assessment  or  collection  of any material tax due that is
currently in effect. CNYF and each of its Subsidiaries has withheld and paid all
taxes required to have been withheld and paid in connection with amounts paid or
owing to any employee,  independent contractor,  creditor,  stockholder or other
third party,  and CNYF and each of its Subsidiaries has timely complied with all
applicable  information  reporting  requirements under Part III, Subchapter A of
Chapter  61 of the Code and  similar  applicable  state  and  local  information
reporting requirements in all material respects.

                                       14
<PAGE>


         SECTION 3.07 NO   MATERIAL   ADVERSE   EFFECT.   CNYF   and  the   CNYF
Subsidiaries,  taken as a whole,  have not suffered any Material  Adverse Effect
since December 31, 1998.

         SECTION 3.08 CONTRACTS.

         (a) Except as set forth in CNYF DISCLOSURE  SCHEDULE  3.08(a),  neither
CNYF nor any CNYF  Subsidiary  is a party to or subject to: (i) any  employment,
consulting  or  severance  contract  or  material  arrangement  with any past or
present officer, director or employee of CNYF or any CNYF Subsidiary, except for
"at  will"  arrangements;  (ii)  any  plan,  material  arrangement  or  contract
providing for bonuses,  pensions,  options,  deferred  compensation,  retirement
payments,  profit sharing or similar material  arrangements for or with any past
or present  officers,  directors or  employees  of CNYF or any CNYF  Subsidiary;
(iii) any  collective  bargaining  agreement  with any labor  union  relating to
employees of CNYF or any CNYF Subsidiary;  (iv) any agreement which by its terms
limits the  payment of  dividends  by CNYF;  (v) any  instrument  evidencing  or
related  to  material  indebtedness  for  borrowed  money  whether  directly  or
indirectly,  by  way of  purchase  money  obligation,  conditional  sale,  lease
purchase, guaranty or otherwise, in respect of which CNYF or any CNYF Subsidiary
is  an  obligor  to  any  person,  which  instrument  evidences  or  relates  to
indebtedness other than deposits, repurchase agreements,  Federal Home Loan Bank
of New York advances, bankers' acceptances, and "treasury tax and loan" accounts
established  in the  ordinary  course of business and  transactions  in "federal
funds" or which contains financial  covenants or other restrictions  (other than
those relating to the payment of principal and interest when due) which would be
applicable  on or after the  Closing  Date to  Niagara  Bancorp  or any  Niagara
Bancorp  Subsidiary;  or (vi) any contract (other than this Agreement)  limiting
the freedom,  in any material  respect,  of CNYF or CSB to engage in any type of
banking or  bank-related  business  which CNYF is  permitted  to engage in under
applicable law as of the date of this Agreement.

         (b) True  and  correct   copies  of   agreements,   plans,   contracts,
arrangements and instruments referred to in Section 3.08(a),  have been provided
to Niagara  Bancorp on or before the date hereof,  are listed on CNYF DISCLOSURE
SCHEDULE 3.08(a) and are in full force and effect on the date hereof and neither
CNYF nor any CNYF Subsidiary  (nor, to the knowledge of CNYF, any other party to
any such contract,  plan, arrangement or instrument) has materially breached any
provision  of, or is in  default  in any  respect  under  any term of,  any such
contract,  plan,  arrangement  or  instrument.  Except  as set forth in the CNYF
DISCLOSURE  SCHEDULE  3.08(b),   no  party  to  any  material  contract,   plan,
arrangement  or  instrument  will have the right to terminate  any or all of the
provisions of any such contract,  plan, arrangement or instrument as a result of
the execution of, and the transactions  contemplated by, this Agreement.  Except
as set  forth  in  CNYF  DISCLOSURE  SCHEDULE  3.08(b),  none  of the  employees
(including officers) of CNYF, possess the right to terminate their employment as
a  result  of the  execution  of this  Agreement.  Except  as set  forth in CNYF
DISCLOSURE  SCHEDULE  3.08(b),   no  plan,   contract,   employment   agreement,
termination agreement,  or similar agreement or arrangement to which CNYF or any
CNYF  Subsidiary  is a party or under which CNYF or any CNYF  Subsidiary  may be
liable contains provisions which permit an employee or independent contractor to
terminate it without  cause and continue to accrue future  benefits  thereunder.
Except as set forth in CNYF  DISCLOSURE  SCHEDULE  3.08(b),  no such  agreement,
plan, contract, or arrangement (x) provides for acceleration in the vesting of

                                       15
<PAGE>


benefits or payments due thereunder upon the occurrence of a change in ownership
or control of CNYF or any CNYF Subsidiary  absent the occurrence of a subsequent
event;  or (y) requires CNYF or any CNYF  Subsidiary to provide a benefit in the
form of CNYF Common Stock or determined by reference to the value of CNYF Common
Stock.  Except  as set  forth  in  CNYF  DISCLOSURE  SCHEDULE  3.08(b),  no such
agreement, plan or arrangement with respect to officers or directors of CNYF, or
to CNYF's knowledge, to its employees, provides for benefits which will cause an
"excess parachute payment" or the disallowance of a federal income tax deduction
under IRC Section 280G.

         SECTION 3.09 OWNERSHIP OF PROPERTY; INSURANCE COVERAGE.

         (a) Except as disclosed in CNYF DISCLOSURE  SCHEDULE 3.09, CNYF and the
CNYF  Subsidiaries  have good and, as to real property,  marketable title to all
material  assets  and  properties  owned by CNYF or any CNYF  Subsidiary  in the
conduct of their  businesses,  whether  such assets and  properties  are real or
personal, tangible or intangible, including assets and property reflected in the
balance  sheets  contained  in the  CNYF  Regulatory  Reports  and  in the  CNYF
Financials or acquired subsequent thereto (except to the extent that such assets
and properties have been disposed of in the ordinary  course of business,  since
the date of such balance sheets),  subject to no material  encumbrances,  liens,
mortgages,  security  interests or pledges,  except (i) those items which secure
liabilities for public or statutory  obligations or any discount with, borrowing
from or other  obligations  to any  Federal  Home Loan Bank,  inter-bank  credit
facilities,  or any  transaction  by a CNYF  Subsidiary  acting  in a  fiduciary
capacity, (ii) statutory liens for amounts not yet delinquent or which are being
contested in good faith, and (iii) items permitted under Article V. CNYF and the
CNYF Subsidiaries,  as lessee,  have the right under valid and subsisting leases
of real and material  personal  properties used by CNYF and its  Subsidiaries in
the conduct of their  businesses to occupy or use all such leased  properties as
presently  occupied  and  used by each of  them.  Except  as  disclosed  in CNYF
DISCLOSURE  SCHEDULE  3.09(a),  such existing  leases and  commitments  to lease
constitute  or will  constitute  operating  leases  for both  tax and  financial
accounting  purposes and the lease expense and minimum rental  commitments  with
respect to such leases and lease  commitments  are as  disclosed in the Notes to
the CNYF Financials.

         (b) With respect to all material  agreements  pursuant to which CNYF or
any CNYF Subsidiary has purchased  securities subject to an agreement to resell,
if any, CNYF or such CNYF Subsidiary, as the case may be, has a lien or security
interest  (which to CNYF's  knowledge is a valid,  perfected  first lien) in the
securities or other collateral securing the repurchase agreement,  and the value
of such collateral equals or exceeds the amount of the debt secured thereby.

         (c) CNYF  and  each  CNYF  Subsidiary   currently  maintains  insurance
considered by CNYF to be reasonable for their respective  operations and similar
in scope  and  coverage  to that  customarily  maintained  by  other  businesses
similarly  engaged  in a similar  location,  in  accordance  with good  business
practice.  CNYF has not received notice from any insurance carrier that (i) such
insurance  will be  canceled  or that  coverage  thereunder  will be  reduced or
eliminated,  or (ii) premium  costs with  respect to such  policies of insurance
will be substantially increased. Except as disclosed in CNYF DISCLOSURE SCHEDULE
3.09(c),  there are presently no material  claims pending under such policies of
insurance and no notices have been given by CNYF under such  policies.  All such
insurance is valid and enforceable and in full force and effect, and within the

                                       16
<PAGE>


last three years CNYF has received each type of insurance  coverage for which it
has applied and during such periods has not been denied  indemnification for any
material claims submitted under any of its insurance policies.

         SECTION 3.10 LEGAL PROCEEDINGS.  Except as disclosed in CNYF DISCLOSURE
SCHEDULE 3.10, neither CNYF nor any CNYF Subsidiary is a party to any, and there
are  no  pending  or,  to  the  best  of  CNYF's  knowledge,  threatened  legal,
administrative,  arbitration or other  proceedings,  claims (whether asserted or
unasserted),  actions or governmental  investigations or inquiries of any nature
(i)  against  CNYF or any  CNYF  Subsidiary,  (ii)  to  which  CNYF or any  CNYF
Subsidiary's  assets are or may be subject,  (iii)  challenging  the validity or
propriety of any of the  transactions  contemplated by this  Agreement,  or (iv)
which  could  adversely  affect  the  ability  of CNYF  to  perform  under  this
Agreement,  except  for any  proceedings,  claims,  actions,  investigations  or
inquiries  referred to in clauses (i) or (ii) which,  if  adversely  determined,
individually  or in the  aggregate,  could not be reasonably  expected to have a
Material Adverse Effect on CNYF and the CNYF Subsidiaries, taken as a whole.

         SECTION 3.11 COMPLIANCE WITH APPLICABLE LAW.

         (a) CNYF  and the CNYF  Subsidiaries  hold  all  licenses,  franchises,
permits and authorizations  necessary for the lawful conduct of their respective
businesses  under, and have complied in all material  respects with,  applicable
laws,  statutes,  orders,  rules or regulations  of any federal,  state or local
governmental  authority  relating to them, other than where such failure to hold
or such  noncompliance  will  neither  result in a  limitation  in any  material
respect on the  conduct of their  respective  businesses  nor  otherwise  have a
Material  Adverse  Effect on CNYF and the CNYF  Subsidiaries,  taken as a whole.
CNYF and its  Subsidiaries,  directly or  indirectly,  own,  or are  licensed or
otherwise possess legally  enforceable  rights to use, all patents,  trademarks,
trade  names,   service  marks,   copyrights  and  any  applications   therefor,
technology,  know-how  and tangible or  intangible  proprietary  information  or
material that are material to the business of CNYF and its Subsidiaries.

         (b) Except as disclosed in CNYF DISCLOSURE  SCHEDULE  3.11(b),  neither
CNYF nor any CNYF Subsidiary has received any notification or communication from
any Regulatory  Authority (i) asserting that CNYF or any CNYF  Subsidiary is not
in material compliance with any of the statutes, regulations or ordinances which
such  Regulatory  Authority  enforces;  (ii)  threatening to revoke any license,
franchise, permit or governmental authorization which is material to CNYF or any
CNYF  Subsidiary;  (iii)  requiring or  threatening  to require CNYF or any CNYF
Subsidiary,  or indicating that CNYF or any CNYF Subsidiary may be required,  to
enter into a cease and desist order, agreement or memorandum of understanding or
any other agreement with any federal or state  governmental  agency or authority
which is charged with the  supervision  or regulation of banks or engages in the
insurance of bank deposits restricting or limiting, or purporting to restrict or
limit,  in any material  respect the operations of CNYF or any CNYF  Subsidiary,
including  without  limitation any  restriction on the payment of dividends;  or
(iv) directing,  restricting or limiting,  or purporting to direct,  restrict or
limit,  in any manner the operations of CNYF or any CNYF  Subsidiary,  including

                                       17
<PAGE>


without limitation any restriction on the payment of dividends (any such notice,
communication,  memorandum,  agreement or order  described  in this  sentence is
hereinafter referred to as a "Regulatory Agreement").  Neither CNYF nor any CNYF
Subsidiary has consented to or entered into any currently  effective  Regulatory
Agreement, except as set forth in CNYF DISCLOSURE SCHEDULE 3.11. The most recent
regulatory  rating given to CSB as to compliance with the CRA is satisfactory or
better.

         SECTION 3.12 ERISA.

         (a) CNYF DISCLOSURE SCHEDULE 3.12 contains a complete and accurate list
of all pension,  retirement,  stock option,  stock  purchase,  stock  ownership,
savings,  stock  appreciation  right,  profit  sharing,  deferred  compensation,
consulting,   bonus,  group  insurance,   severance  and  other  benefit  plans,
contracts, agreements and arrangements, including, but not limited to, "employee
benefit  plans," as defined in Section  3(3) of the Employee  Retirement  Income
Security Act of 1974,  as amended  ("ERISA"),  incentive  and welfare  policies,
contracts,  plans and arrangements and all trust agreements related thereto with
respect to any present or former directors,  officers or other employees of CNYF
or any of its Subsidiaries  (hereinafter  collectively  referred to as the "CNYF
Employee  Plans").  If the plan,  contract,  agreement or  arrangement is funded
through a trust or third party funding vehicle, such as an insurance contract, a
copy of the  trust  or  other  funding  arrangement  (including  all  amendments
thereto)  and the latest  financial  statements  thereof  have been  provided to
Niagara Bancorp.

         All of the CNYF Employee Plans comply in all material respects with all
applicable  requirements of ERISA,  the IRC and other applicable laws; there has
occurred  no  "prohibited  transaction"  (as  defined in Section 406 of ERISA or
Section  4975 of the IRC)  which is likely to  result in the  imposition  of any
penalties or taxes under Section 502(i) of ERISA or Section 4975 of the IRC upon
CNYF  or any of its  Subsidiaries.  No  liability  to the  PBGC  has  been or is
expected by CNYF or any of its  Subsidiaries  to be incurred with respect to any
CNYF Employee Plan which is subject to Title IV of ERISA, or with respect to any
"single-employer  plan" (as defined in Section  4001(a) of ERISA)(" CNYF Pension
Plan")  currently  or  formerly  maintained  by  CNYF  or any  entity  which  is
considered  one employer with CNYF under Section  4001(b)(1) of ERISA or Section
414 of the IRC (an "ERISA Affiliate").  No CNYF Pension Plan had an "accumulated
funding deficiency" (as defined in Section 302 of ERISA), whether or not waived,
as of the last day of the end of the most recent  plan year ending  prior to the
date  hereof;  the fair  market  value of the assets of each CNYF  Pension  Plan
exceeds the present  value of the "benefit  liabilities"  (as defined in Section
4001(a)(16)  of ERISA)  under such CNYF  Pension  Plan as of the end of the most
recent plan year with respect to the  respective  CNYF Pension Plan ending prior
to the date hereof, calculated on the basis of the actuarial assumptions used in
the most recent  actuarial  valuation  for such CNYF Pension Plan as of the date
hereof;  and no notice of a  "reportable  event" (as defined in Section  4043 of
ERISA) for which the 30-day  reporting  requirement has not been waived has been
required to be filed for any CNYF Pension Plan within the 12-month period ending
on the date hereof. Neither CNYF nor any of its Subsidiaries has provided, or is
required to provide, security to any CNYF Pension Plan or to any single-employer
plan of an ERISA Affiliate  pursuant to Section  401(a)(29) of the IRC.  Neither
CNYF,  its  Subsidiaries,  nor  any  ERISA  Affiliate  has  contributed  to  any
"multiemployer  plan,"  as  defined  in  Section  3(37)  of  ERISA,  on or after
September 26, 1980.

                                       18
<PAGE>


         (b) Each CNYF Employee Plan that is an "employee  pension benefit plan"
(as  defined in Section  3(2) of ERISA) and which is  intended  to be  qualified
under  Section  401(a)  of the IRC (a "CNYF  Qualified  Plan")  has  received  a
favorable  determination  letter from the Internal Revenue Service ("IRS"),  and
CNYF and its Subsidiaries are not aware of any circumstances likely to result in
revocation of any such favorable  determination  letter. There is no pending or,
to CNYF's knowledge, threatened litigation,  administrative action or proceeding
relating to any CNYF Employee Plan. There has been no announcement or commitment
by CNYF or any of its  Subsidiaries  to create an additional CNYF Employee Plan,
or to amend any CNYF Employee Plan, except for amendments required by applicable
law which do not materially  increase the cost of such CNYF Employee Plan;  and,
except as  specifically  identified in CNYF DISCLOSURE  SCHEDULES,  CNYF and its
Subsidiaries do not have any obligations for  post-retirement or post-employment
benefits under any CNYF Employee Plan that cannot be amended or terminated  upon
60 days' notice or less without incurring any liability  thereunder,  except for
coverage  required by Part 6 of Title I of ERISA or Section 4980B of the IRC, or
similar state laws, the cost of which is borne by the insured individuals.  With
respect to each CNYF Employee Plan,  CNYF has supplied to Niagara Bancorp a true
and correct  copy of (A) the annual  report on the  applicable  form of the Form
5500 series filed with the IRS for the most recent three plan years, if required
to be filed, (B) such CNYF Employee Plan, including amendments thereto, (C) each
trust agreement,  insurance  contract or other funding  arrangement  relating to
such CNYF  Employee  Plan,  including  amendments  thereto,  (D) the most recent
summary plan description and summary of material  modifications thereto for such
CNYF  Employee  Plan,  if the CNYF Employee Plan is subject to Title I of ERISA,
(E) the most recent  actuarial report or valuation if such CNYF Employee Plan is
a CNYF  Pension Plan and any  subsequent  changes to the  actuarial  assumptions
contained therein and (F) the most recent determination letter issued by the IRS
if such Employee Plan is a Qualified Plan.

         (c) No  compensation  payable by CNYF and any CNYF Subsidiary to any of
their  employees  under  any CNYF  Employee  Plan  (including  by  reason of the
transactions  contemplated hereby) will be subject to disallowance under Section
162(m) of the IRC.

         SECTION 3.13 BROKERS, FINDERS AND FINANCIAL ADVISORS. Except for CNYF's
engagement  of CIBC World  Markets  ("CIBC")  in  connection  with  transactions
contemplated by this Agreement, neither CNYF nor any CNYF Subsidiary, nor any of
their  respective  officers,  directors,  employees or agents,  has employed any
broker,  finder  or  financial  advisor  in  connection  with  the  transactions
contemplated by this Agreement, or, except for its commitments disclosed in CNYF
DISCLOSURE  SCHEDULE 3.13,  incurred any liability or commitment for any fees or
commissions to any such person in connection with the transactions  contemplated
by this Agreement, which has not been reflected in the CNYF Financials.

         SECTION 3.14 ENVIRONMENTAL MATTERS.

         (a) With  respect to CNYF and each of its  Subsidiaries,  and except as
set forth in CNYF DISCLOSURE SCHEDULE 3.14:

                                       19
<PAGE>


                  (i)  Each of  CNYF  and its  Subsidiaries,  the  Participation
Facilities, and, to CNYF's knowledge, the Loan Properties are, and have been, in
substantial compliance with, and are not liable under, any Environmental Laws;

                  (ii) There is no suit,  claim,  action,  demand,  executive or
administrative  order,  directive,  investigation  or proceeding  pending or, to
CNYF's knowledge,  threatened, before any court, governmental agency or board or
other forum against it or any of its Subsidiaries or any Participation  Facility
(x) for alleged noncompliance  (including by any predecessor) with, or liability
under, any  Environmental  Law or (y) relating to the presence of or release (as
defined  herein)  into the  environment  of any  Hazardous  Material (as defined
herein),  whether or not occurring at or on a site owned,  leased or operated by
it or any of its Subsidiaries or any Participation Facility;

                  (iii) There is no suit, claim,  action,  demand,  executive or
administrative  order,  directive,  investigation  or proceeding  pending or, to
CNYF's knowledge threatened,  before any court,  governmental agency or board or
other  forum  relating to or against  any Loan  Property  (or CNYF or any of its
Subsidiaries  in  respect  of  such  Loan  Property)  (x)  relating  to  alleged
noncompliance  (including  by any  predecessor)  with, or liability  under,  any
Environmental  Law or (y)  relating  to the  presence  of or  release  into  the
environment of any Hazardous Material,  whether or not occurring at or on a site
owned, leased or operated by a Loan Property;

                  (iv) To CNYF's  knowledge,  the properties  currently owned or
operated  by CNYF or any of its  Subsidiaries  (including,  without  limitation,
soil, groundwater or surface water on, under or adjacent to the properties,  and
buildings  thereon) are not contaminated  with and do not otherwise  contain any
Hazardous Material other than as permitted under applicable Environmental Law;

                  (v) Neither CNYF nor any of its  Subsidiaries has received any
notice, demand letter,  executive or administrative order,  directive or request
for information from any federal, state, local or foreign governmental entity or
any third party  indicating that it may be in violation of, or liable under, any
Environmental Law;

                  (vi) To CNYF's  knowledge,  there are no  underground  storage
tanks on, in or under any  properties  owned or  operated  by CNYF or any of its
Subsidiaries or any  Participation  Facility,  and no underground  storage tanks
have been closed or removed from any properties owned or operated by CNYF or any
of its Subsidiaries or any Participation Facility; and

                  (vii) To CNYF's knowledge,  during the period of (s) CNYF's or
any of its  Subsidiaries'  ownership  or  operation  of any of their  respective
current  properties or (t) CNYF's or any of its  Subsidiaries'  participation in
the management of any Participation Facility, there has been no contamination by
or release of Hazardous Materials in, on, under or affecting such properties. To
CNYF's knowledge,  prior to the period of (x) CNYF's or any of its Subsidiaries'
ownership or  operation of any of their  respective  current  properties  or (y)
CNYF's  or any of  its  Subsidiaries'  participation  in the  management  of any
Participation  Facility,  there was no  contamination by or release of Hazardous
Material in, on, under or affecting such properties.

                                       20
<PAGE>


         (b) "Loan  Property"  means any property in which the applicable  party
(or a Subsidiary of it) holds a security  interest,  and,  where required by the
context,  includes the owner or operator of such property, but only with respect
to such  property.  "Participation  Facility"  means any  facility  in which the
applicable  party  (or a  Subsidiary  of  it)  participates  in  the  management
(including all property held as trustee or in any other fiduciary capacity) and,
where required by the context,  includes the owner or operator of such property,
but only with respect to such property.

         SECTION 3.15 LOAN PORTFOLIO.

         (a) With  respect  to each loan  owned by CNYF or its  Subsidiaries  in
whole or in part (each, a "Loan"), to the best knowledge of CNYF:

             (i) the note and the  related  security  documents  are each legal,
valid and  binding  obligations  of the maker or  obligor  thereof,  enforceable
against such maker or obligor in accordance with their terms;

             (ii) neither CNYF nor any of its Subsidiaries, nor any prior holder
of a Loan, has modified the note or any of the related security documents in any
material  respect or satisfied,  canceled or subordinated the note or any of the
related  security  documents  except as otherwise  disclosed by documents in the
applicable Loan file;

             (iii)  CNYF  or a  Subsidiary  is the  sole  holder  of  legal  and
beneficial title to each Loan (or CNYF's applicable  participation  interest, as
applicable), except as otherwise referenced on the books and records of CNYF;

             (iv) the note and the related security  documents,  copies of which
are  included in the Loan files,  are true and correct  copies of the  documents
they purport to be and have not been suspended,  amended, modified,  canceled or
otherwise  changed except as otherwise  disclosed by documents in the applicable
Loan file;

             (v) there is no pending or  threatened  condemnation  proceeding or
similar  proceeding  affecting  the property that serves as security for a Loan,
except as otherwise referenced on the books and records of CNYF;

             (vi) there is no  litigation  or  proceeding  pending or threatened
relating to the  property  that serves as security  for a Loan that would have a
Material Adverse Effect upon the related Loan; and

             (vii) with  respect to a Loan held in the form of a  participation,
the participation documentation is legal, valid, binding and enforceable.

         (b) The  allowance  for possible  losses  reflected  in CNYF's  audited
statement of condition at December 31, 1998 was, and the  allowance for possible
losses shown on the balance  sheets in CNYF's  Securities  Documents for periods
ending after December 31, 1998 have been and will be, adequate,  as of the dates
thereof, under GAAP.

                                       21
<PAGE>


         (c) CNYF DISCLOSURE SCHEDULE 3.15 sets forth by category the amounts of
all loans, leases,  advances,  credit enhancements,  other extensions of credit,
commitments and  interest-bearing  assets of CNYF and its Subsidiaries that have
been  classified   (whether   regulatory  or  internal)  as  "Special  Mention,"
"Substandard,"  "Doubtful,"  "Loss" or words of similar import, and CNYF and its
Subsidiaries shall promptly after the end of any month inform Niagara Bancorp of
any such  classification  arrived at any time after the date  hereof.  The other
real estate owned ("OREO") included in any non-performing  assets of CNYF or any
of its  Subsidiaries  is carried  net of  reserves  at the lower of cost or fair
value, less estimated selling costs, based on current independent  appraisals or
evaluations or current management appraisals or evaluations;  provided, however,
that "current" shall mean within the past 12 months.

         SECTION 3.16 SECURITIES  DOCUMENTS.   CNYF  has  delivered  to  Niagara
Bancorp  copies of its (i)  annual  reports  on Form  10-K for the  years  ended
December 31, 1997 and 1998, (ii) quarterly reports on Form 10-Q for the quarters
ended March 31, June 30, and September 30, 1999, and (iii) proxy  materials used
or for use in connection  with its meetings of  shareholders  held in 1999. Such
reports and such proxy  materials  complied,  at the time filed with the SEC, in
all material respects, with the Securities Laws.

         SECTION 3.17 RELATED  PARTY  TRANSACTIONS.  Except as disclosed in CNYF
DISCLOSURE SCHEDULE 3.17, or as described in CNYF's Proxy Statement  distributed
in connection with the 1999 annual meeting of shareholders (which has previously
been  provided  to  Niagara  Bancorp),  CNYF is not a party  to any  transaction
(including  any loan or other credit  accommodation)  with any Affiliate of CNYF
(except a CNYF  Subsidiary).  Except as  disclosed in CNYF  DISCLOSURE  SCHEDULE
3.17, all such  transactions  (a) were made in the ordinary  course of business,
(b) were made on  substantially  the same terms,  including  interest  rates and
collateral,  as those  prevailing at the time for comparable  transactions  with
other  Persons,   and  (c)  did  not  involve  more  than  the  normal  risk  of
collectability  or present other  unfavorable  features.  Except as set forth on
CNYF DISCLOSURE SCHEDULE 3.17, no loan or credit  accommodation to any Affiliate
of CNYF is  presently  in default or,  during the three year period prior to the
date of this Agreement,  has been in default or has been restructured,  modified
or extended. CNYF has not been notified that principal and interest with respect
to any such loan or other credit accommodation will not be paid when due or that
the loan grade classification accorded such loan or credit accommodation by CNYF
is inappropriate.

         SECTION 3.18 SCHEDULE OF TERMINATION BENEFITS. CNYF DISCLOSURE SCHEDULE
3.18 includes a schedule of all termination  benefits and related  payments that
would be payable to the individuals identified thereon, excluding any options to
acquire  CNYF  Common  Stock,  and  awards  under  the  PRRP,  granted  to  such
individuals,  under  any  and all  employment  agreements,  special  termination
agreements,  supplemental  executive  retirement  plans,  deferred  bonus plans,
deferred  compensation  plans,  salary  continuation  plans, or any compensation
arrangement, or other pension benefit or welfare benefit plan maintained by CNYF
solely for the  benefit of officers or  directors  of CNYF or CNYF  Subsidiaries
(the "Benefits Schedule"), assuming their employment or service is terminated as
of December 31, 1999 and the Closing Date occurs prior to such  termination.  No
other individuals are entitled to benefits under any such plans.

                                       22
<PAGE>


         SECTION 3.19 DEPOSITS.  None  of the  deposits  of  CNYF  or any of its
Subsidiaries is a "brokered" deposit.

         SECTION 3.20 ANTITAKEOVER PROVISIONS INAPPLICABLE.  Except as set forth
on CNYF  DISCLOSURE  SCHEDULE 3.20, and except for approvals  required under the
federal and state banking laws, the transactions  contemplated by this Agreement
are not subject to any applicable state takeover law.

         Section 3.21 FAIRNESS OPINION. CNYF has received a written opinion from
CIBC to the effect that, subject to the terms, conditions and qualifications set
forth therein, as of the date thereof,  the Merger  Consideration to be received
by the  stockholders  of  CNYF  pursuant  to  this  Agreement  is  fair  to such
stockholders  from a financial  point of view. Such opinion has not been amended
or rescinded as of the date of this Agreement.

         Section 3.22 YEAR 2000.

         (a) Each of CNYF and each CNYF  Subsidiary  has adopted a plan (in each
case, a "YEAR 2000 PLAN")  requiring  testing,  information-gathering  and other
procedures to conform to the deadlines and material  requirements and guidelines
applicable  to it as a provider of services  using  Information  Technology  and
imposed by any Bank Regulator or the Federal Financial Institutions  Examination
Council  ("FFIEC"),  to  cause  such  Information  Technology  to be  Year  2000
Compliant (such deadlines,  material requirements and guidelines, as they may be
in effect from time to time,  being  referred to in this  Agreement as the "YEAR
2000 REGULATORY Requirements").

         (b) Each of CNYF and each CNYF Subsidiary has taken appropriate actions
and has committed the resources reasonably necessary or otherwise appropriate to
comply with its Year 2000 Plan in a timely manner.  Such actions  (including the
testing and information-gathering  procedures) have not produced any preliminary
findings or other results which would indicate that the  Information  Technology
will not be Year 2000 Compliant in any material  respects or that it will not be
in  compliance  with the  Year  2000  Regulatory  Requirements  in any  material
respects;  and it has not received any written notice or preliminary oral notice
from a Regulatory Authority to one of its officers or senior executive employees
with respect to any adverse action against it relating to Year 2000 Compliance.

         (c) Each of CNYF and CSB has taken  appropriate  actions to assure that
CSB has,  and will  continue to have at all  relevant  points in time,  adequate
funds to meet  anticipated  loan and deposit  customer demand in connection with
the Year 2000 date change and related circumstances.

                                       23
<PAGE>


                                   ARTICLE IV
                REPRESENTATIONS AND WARRANTIES OF NIAGARA BANCORP

         Niagara  Bancorp  represents  and warrants to CNYF that the  statements
contained  in this  Article IV are correct  and  complete as of the date of this
Agreement  and will be correct and  complete  as of the Closing  Date (as though
made then and as though the Closing Date were  substituted  for the date of this
Agreement  throughout  this  Article  IV),  except as set  forth in the  Niagara
Bancorp  Disclosure  Schedules  delivered by Niagara Bancorp to CNYF on the date
hereof.  Niagara  Bancorp  has  made a good  faith  effort  to  ensure  that the
disclosure  on  each  schedule  of  the  Niagara  Bancorp  Disclosure  Schedules
corresponds  to the  section  reference  herein.  However,  for  purposes of the
Niagara Bancorp Disclosure Schedules, any item disclosed on any schedule therein
is deemed to be fully  disclosed with respect to all schedules  under which such
item may be relevant.

         SECTION 4.01 ORGANIZATION.

         (a) Niagara Bancorp is a corporation  duly organized,  validly existing
and in good  standing  under  the  laws of the  State of  Delaware,  and is duly
registered as a bank holding  company under the BHCA.  Niagara  Merger Corp is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware. Niagara Bancorp has full corporate power and authority
to carry on its business as now  conducted  and is duly licensed or qualified to
do business in the states of the United States and foreign  jurisdictions  where
its  ownership  or leasing of property or the conduct of its  business  requires
such qualification.

         (b) Lockport  Savings is a stock savings bank duly  organized,  validly
existing  and in good  standing  under the laws of the  State of New  York.  The
deposits  of Lockport  Savings  are  insured by the FDIC  through the BIF to the
fullest extent permitted by law, and all premiums and assessments required to be
paid in connection therewith have been paid when due by Lockport Savings.

         (c) Prior to the date of this Agreement,  Niagara Bancorp has delivered
to CNYF true and correct copies of the certificate of  incorporation  and bylaws
of Niagara Bancorp

         SECTION 4.02 CAPITALIZATION.

         (a) The  authorized  capital stock of Niagara  Bancorp  consists of (a)
45,000,000  shares of common  stock,  par value  $0.01 per share  (the  "Niagara
Bancorp Common  Stock"),  of which,  at the date of this  Agreement,  29,756,250
shares are validly issued,  fully paid and  nonassessable  (including shares are
held by  Niagara  Bancorp  as  treasury  stock),  and (b)  5,000,000  shares  of
preferred  stock,  par value  $0.01  per  share,  of which,  at the date of this
Agreement, no shares of were issued and outstanding.

         (b) Niagara Bancorp owns all of the capital stock of Lockport  Savings,
free and clear of any lien or encumbrance.

                                       24
<PAGE>


         SECTION 4.03 AUTHORITY; NO VIOLATION.

         (a) Niagara  Bancorp and  Niagara  Merger Corp each 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
by Niagara Bancorp and Niagara Merger Corp and the completion by Niagara Bancorp
and Niagara Merger Corp of the transactions  contemplated  hereby have been duly
and validly  approved by the Board of Directors  of Niagara  Bancorp and Niagara
Merger Corp, and no other  corporate  proceedings on the part of Niagara Bancorp
or Niagara Merger Corp are necessary to complete the  transactions  contemplated
hereby.  This  Agreement  has been duly and validly  executed  and  delivered by
Niagara Bancorp and Niagara Merger Corp and,  subject to receipt of the required
approvals  of   Regulatory   Authorities   described  in  Section  4.04  hereof,
constitutes  the valid and  binding  obligation  of Niagara  Bancorp and Niagara
Merger Corp,  enforceable against them in accordance with its terms,  subject to
applicable  bankruptcy,  insolvency and similar laws affecting creditors' rights
generally.

         (b) (A) The execution and delivery of this Agreement by Niagara Bancorp
and Niagara Merger Corp, (B) subject to receipt of approvals from the Regulatory
Authorities  referred to in Section 4.04 hereof and CNYF's and Niagara Bancorp's
compliance  with any  conditions  contained  therein,  the  consummation  of the
transactions  contemplated  hereby,  and (C)  compliance  by Niagara  Bancorp or
Lockport  Savings  with  any of the  terms  or  provisions  hereof  will not (i)
conflict  with or result  in a breach of any  provision  of the  certificate  of
incorporation or bylaws of Niagara Bancorp or any Niagara Bancorp  Subsidiary or
the charter and bylaws of Lockport  Savings;  (ii)  violate any  statute,  code,
ordinance,  rule,  regulation,  judgment,  order,  writ,  decree  or  injunction
applicable to Niagara Bancorp or any Niagara Bancorp  Subsidiary or any of their
respective  properties or assets;  or (iii) violate,  conflict with, result in a
breach of any  provisions  of,  constitute  a default (or an event  which,  with
notice or lapse of time, or both, would constitute a default),  under, result in
the termination of, accelerate the performance required by, or result in a right
of termination or acceleration or the creation of any lien,  security  interest,
charge or other  encumbrance  upon any of the  properties  or assets of  Niagara
Bancorp or Lockport Savings under, any of the terms, conditions or provisions of
any note, bond, mortgage, indenture, deed of trust, license, lease, agreement or
other investment or obligation to which Niagara Bancorp or Lockport Savings is a
party, or by which they or any of their  respective  properties or assets may be
bound or affected, except for such violations, conflicts.

         SECTION 4.04 CONSENTS.  Except for  consents,  approvals,  filings  and
registrations  from  or  with  the  Superintendent,  FDIC,  FRB,  and  SEC,  and
compliance  with any  conditions  contained  therein,  and the  approval of this
Agreement by the  shareholders  of CNYF, and the  certificate of merger with the
Secretary  of State of the State of Delaware,  no consents or  approvals  of, or
filings or registrations  with, any public body or authority are necessary,  and
no consents or  approvals  of any third  parties are  necessary,  or will be, in
connection  with (a) the  execution  and  delivery of this  Agreement by Niagara
Bancorp and Niagara Merger Corp,  and (b) the completion by Niagara  Bancorp and
Niagara Merger Corp of the transactions contemplated hereby. Niagara Bancorp has
no reason to believe  that (i) any required  consents or  approvals  will not be
received  or will be  received  with  conditions,  limitations  or  restrictions
unacceptable to it or which would adversely impact Niagara Bancorp's ability to

                                       25
<PAGE>


complete the transactions contemplated by this Agreement or that (ii) any public
body or  authority,  the  consent or  approval  of which is not  required or any
filing  with  which  is not  required,  will  object  to the  completion  of the
transactions contemplated by this Agreement.

         SECTION 4.05 COMPLIANCE  WITH  APPLICABLE  LAW.  Except as set forth in
Niagara  Bancorp  DISCLOSURE  SCHEDULE  4.05,  neither  Niagara  Bancorp nor any
Niagara Bancorp  Subsidiary has received any notification or communication  from
any  Regulatory  Authority  (i)  asserting  that Niagara  Bancorp or any Niagara
Bancorp  Subsidiary is not in compliance in any material  manner with any of the
statutes,  regulations or ordinances which such Regulatory  Authority  enforces;
(ii)  threatening  to revoke  any  license,  franchise,  permit or  governmental
authorization  which is  material  to  Niagara  Bancorp or any  Niagara  Bancorp
Subsidiary;  (iii)  requiring or threatening to require  Niagara  Bancorp or any
Niagara  Bancorp  Subsidiary,  or indicating that Niagara Bancorp or any Niagara
Bancorp  Subsidiary  may be  required,  to enter into a cease and desist  order,
agreement or memorandum of understanding  or any other agreement  restricting or
limiting,  or purporting to restrict or limit,  in any manner the  operations of
Niagara  Bancorp  or  any  Niagara  Bancorp   Subsidiary;   or  (iv)  directing,
restricting  or limiting,  or  purporting to direct,  restrict or limit,  in any
manner the  operations  of Niagara  Bancorp or any Niagara  Bancorp  Subsidiary,
including  without  limitation any  restriction on the payment of dividends (any
such notice,  communication,  memorandum,  agreement or order  described in this
sentence  is  hereinafter  referred  to as a  "Regulatory  Agreement").  Neither
Niagara  Bancorp  nor any  Niagara  Bancorp  Subsidiary  is a party to,  nor has
consented to any Regulatory  Agreement.  The most recent regulatory rating given
to Lockport Savings as to compliance with the CRA is satisfactory or better.

         SECTION 4.06 INFORMATION TO BE SUPPLIED. The information to be supplied
by Niagara  Bancorp for inclusion in the Proxy  Statement  will not, at the time
the Proxy Statement is mailed  pursuant to the Exchange Act,  contain any untrue
statement  of a material  fact or omit to state any material  fact  necessary in
order to make the statements therein not misleading.  The information  supplied,
or to be supplied, by Niagara Bancorp for inclusion in the Applications will, at
the time such documents are filed with any Regulatory Authority,  be accurate in
all material aspects.

         Section 4.07 YEAR 2000..

         (a) Each of Niagara  Bancorp and each Niagara  Bancorp  Subsidiary  has
adopted  a  plan  (in  each  case,  a  "YEAR  2000  PLAN")  requiring   testing,
information-gathering  and other  procedures  to  conform to the  deadlines  and
material  requirements and guidelines applicable to it as a provider of services
using Information  Technology and imposed by any Bank Regulator or the FFIEC, to
cause such  Information  Technology to be Year 2000 compliant  (such  deadlines,
material  requirements  and  guidelines,  as they may be in effect  from time to
time,  being  referred  to in  this  Agreement  as  the  "YEAR  2000  REGULATORY
REQUIREMENTS").

         (b) Each of Niagara  Bancorp and each Niagara  Bancorp  Subsidiary  has
taken appropriate actions and has committed the resources  reasonably  necessary
or otherwise  appropriate  to comply with its Year 2000 Plan in a timely manner.
Such actions (including the testing and  information-gathering  procedures) have
not produced any preliminary findings or other results which would indicate that
the  Information  Technology  will not be Year 2000  Compliant  in any  material

                                       26
<PAGE>


respect  or that it will not be in  compliance  with the  Year  2000  Regulatory
Requirements in any material respect; and it has not received any written notice
or preliminary oral notice from a Regulatory Authority to one of its officers or
senior  executive  employees  with  respect  to any  adverse  action  against it
relating to Year 2000 compliance.

         (c) Each of Niagara Bancorp and Lockport Savings has taken  appropriate
actions to assure that the Lockport  Savings  has, and will  continue to have at
all relevant points in time, adequate funds to meet anticipated loan and deposit
customer  demand  in  connection  with the Year  2000 date  change  and  related
circumstances.

         SECTION 4.08 FINANCING.  As of the date hereof Niagara Bancorp has, and
at the  Merger  Effective  Date,  Niagara  Bancorp  will  have  funds  which are
sufficient and available under applicable  regulatory  capital standards to meet
its  obligations  under this  Agreement and to consummate in a timely manner the
transactions contemplated hereby and thereby.

                                    ARTICLE V
                            COVENANTS OF THE PARTIES

         SECTION 5.01 CONDUCT OF CNYF'S BUSINESS.

         (a) From the date of this  Agreement to the Closing Date,  CNYF and CSB
will conduct their business and engage in transactions,  including extensions of
credit,  only in the  ordinary  course and  consistent  with past  practice  and
policies, except as otherwise required or contemplated by this Agreement or with
the written consent of Niagara  Bancorp.  CNYF and CSB will use their reasonable
good faith efforts,  to (i) preserve their business  organizations  intact, (ii)
maintain good  relationships  with employees,  and (iii) preserve for themselves
the good will of their  customers  and others with whom  business  relationships
exist. From the date hereof to the Closing Date,  except as otherwise  consented
to or approved by Niagara  Bancorp in writing or as  contemplated or required by
this Agreement, CNYF will not, and CNYF will not permit any CNYF Subsidiary to:

             (i)  amend  or  change  any   provision  of  its   certificate   of
incorporation, charter, or bylaws;

             (ii)  change  the  number of  authorized  or  issued  shares of its
capital stock or issue or grant any Right or agreement of any character relating
to its  authorized or issued capital stock or any  securities  convertible  into
shares of such  stock,  or split,  combine or  reclassify  any shares of capital
stock,  or  declare,  set aside or pay any  dividend  or other  distribution  in
respect of capital stock,  or redeem or otherwise  acquire any shares of capital
stock, except that (A) CNYF may issue shares of CNYF Common Stock upon the valid
exercise,  in  accordance  with the  information  set  forth in CNYF  DISCLOSURE
SCHEDULE 3.02(a), of presently  outstanding options to acquire CNYF Common Stock
under the CNYF Stock Option Plans, and (B) CNYF many continue to pay its regular
quarterly  cash  dividend  of $0.10 per share  with  payment  and  record  dates
consistent  with past practice.  Notwithstanding  the  foregoing,  the following
dividends are also permitted:  a dividend by a CNYF Subsidiary to its parent(s);
and the dividends on the REIT Preferred  Stock that are paid in accordance  with
its terms;

                                       27
<PAGE>


             (iii) grant or agree to pay any bonus, severance or termination to,
or enter into,  renew or amend any  employment  agreement,  severance  agreement
and/or  supplemental  executive  agreement  with,  or increase in any manner the
compensation or fringe benefits of, any of its directors, officers or employees,
except:  for salary  increases for calendar 2000 approved in December 1999 (in a
manner  consistent  with past  practice);  and as may be  required  pursuant  to
legally  binding  commitments  existing on the date hereof and set forth on CNYF
DISCLOSURE SCHEDULES 3.08 and 3.12;

             (iv) enter into or,  except as may be required  by law,  modify any
pension,  retirement,  stock option,  stock purchase,  stock appreciation right,
stock  grant,  savings,  profit  sharing,  deferred  compensation,  supplemental
retirement,  consulting,  bonus,  group  insurance  or other  employee  benefit,
incentive  or welfare  contract,  plan or  arrangement,  or any trust  agreement
related thereto, in respect of any of its directors,  officers or employees;  or
make any  contributions to any defined  contribution or defined benefit plan not
in the ordinary course of business consistent with past practice;  or materially
amend  any CNYF  Employee  Plan  except  to the  extent  such  modifications  or
amendments do not result in an increase in cost;

             (v) merge or consolidate CNYF or any CNYF Subsidiary with any other
corporation;  sell or lease  all or any  substantial  portion  of the  assets or
business  of CNYF or any CNYF  Subsidiary;  make any  acquisition  of all or any
substantial  portion  of the  business  or  assets of any  other  person,  firm,
association,  corporation or business organization other than in connection with
foreclosures,  settlements  in  lieu  of  foreclosure,  troubled  loan  or  debt
restructuring, or the collection of any loan or credit arrangement between CNYF,
or any  CNYF  Subsidiary,  and any  other  person;  enter  into a  purchase  and
assumption  transaction  with  respect to deposits and  liabilities;  permit the
revocation or surrender by any CNYF  Subsidiary of its  certificate of authority
to maintain,  or file an application  for the relocation of, any existing branch
office, or file an application for a certificate of authority to establish a new
branch office;

             (vi) sell or otherwise dispose of the capital stock of CNYF or sell
or otherwise  dispose of any asset of CNYF or of any CNYF Subsidiary  other than
in the ordinary course of business  consistent  with past practice;  subject any
asset of CNYF or of any CNYF Subsidiary to a lien, pledge,  security interest or
other   encumbrance   (other  than  in  connection  with  deposits,   repurchase
agreements, bankers acceptances, "treasury tax and loan" accounts established in
the ordinary  course of business  and  transactions  in "federal  funds" and the
satisfaction  of legal  requirements in the exercise of trust powers) other than
in the ordinary  course of business  consistent  with past  practice;  incur any
indebtedness  for borrowed  money (or  guarantee any  indebtedness  for borrowed
money), except in the ordinary course of business consistent with past practice;

             (vii)  take  any  action   which   would   result  in  any  of  the
representations  and  warranties  of CNYF set forth in this  Agreement  becoming
untrue as of any date  after the date  hereof  or in any of the  conditions  set
forth in Article VI hereof  not being  satisfied,  except in each case as may be
required by applicable law;

                                       28
<PAGE>


             (viii)  change any method,  practice or  principle  of  accounting,
except  as may be  required  from  time to time by GAAP  (without  regard to any
optional  early  adoption  date) or any  Regulatory  Authority  responsible  for
regulating CNYF or CSB;

             (ix) waive, release, grant or transfer any material rights of value
or modify or change in any material respect any existing  material  agreement or
indebtedness to which CNYF or any CNYF Subsidiary is a party,  other than in the
ordinary course of business, consistent with past practice;

             (x)  purchase any equity  securities,  or purchase any security for
its  investment  portfolio  not rated "A" or higher by either  Standard & Poor's
Corporation  or Moody's  Investor  Services,  Inc. or  otherwise  alter,  in any
material respect, the mix, maturity, credit or interest rate risk profile of its
portfolio  of  investment   securities  or  its  portfolio  of   mortgage-backed
securities;

             (xi)  except  for  commitments  issued  prior  to the  date of this
Agreement  which have not yet expired and have disclosed on the CNYF  DISCLOSURE
SCHEDULE 5.01(a)(xi),  and the renewal of existing lines of credit, make any new
loan or other credit facility commitment (including without limitation, lines of
credit and letters of credit) to any borrower or group of  affiliated  borrowers
in excess of $250,000 in the aggregate  for unsecured  loans and $750,000 in the
aggregate  for secured  loans.  In  addition,  the  following  require the prior
consent of Niagara: a residential loan of $350,000 or greater; an unsecured loan
of  $100,000  or  greater;  and a  commercial  real  estate  loan of $500,000 or
greater;

             (xii)  except  as  set  forth  on  the  CNYF  DISCLOSURE   SCHEDULE
5.01(a)(xii), enter into, renew, extend or modify any other transaction with any
Affiliate;

             (xiii) enter into any futures contract, option, interest rate caps,
interest rate floors,  interest rate  exchange  agreement or other  agreement or
take  any  other   action  for   purposes  of  hedging   the   exposure  of  its
interest-earning  assets and  interest-bearing  liabilities to changes in market
rates of interest;

             (xiv) except for the execution of this Agreement, and actions taken
in  accordance  with this  Agreement,  take any action that would give rise to a
right of payment to any individual under any employment agreement;

             (xv) make any change in policies  with regard to the  extension  of
credit,  the establishment of reserves with respect to the possible loss thereon
or the  charge  off  of  losses  incurred  thereon  investment,  asset/liability
management or other material  banking policies in any material respect except as
may be required by changes in applicable law or regulations;

             (xvi)  except for the  execution  of this  Agreement,  or resulting
therefrom,  take any  action  that  would give rise to a right of payment to any
individual under any CNYF Employee Plan;

             (xvii)   except   as  set   forth  in  CNYF   DISCLOSURE   SCHEDULE
5.01(a)(xvii),  make any capital  expenditures in excess of $50,000 individually
or $100,000 in the aggregate, other than pursuant to binding commitments

                                       29
<PAGE>


existing on the date hereof and other than  expenditures  necessary  to maintain
existing assets in good repair;

             (xviii) purchase or otherwise acquire, or sell or otherwise dispose
of, any assets or incur any  liabilities  other than in the  ordinary  course of
business consistent with past practices and policies;

             (xix) sell any loan (other  than sales of loans  secured by one- to
four-family  real  estate  that  are  consistent  with  past  practice)  or OREO
properties  (other than sales of OREO which generate a net book loss of not more
than $10,000 per property); or

             (xxii) agree to do any of the foregoing.

         (b) For  purposes  of  this  Section  5.01,  unless  provided  for in a
business plan, budget or similar document  delivered to Niagara Bancorp prior to
the date of this Agreement, it shall not be considered in the ordinary course of
business for CNYF or any CNYF Subsidiary to do any of the following:  (i) except
as set forth in CNYF DISCLOSURE  SCHEDULE  5.01(b),  make any sale,  assignment,
transfer, pledge, hypothecation or other disposition of any assets having a book
or market value,  whichever is greater,  in the aggregate in excess of $100,000,
other than pledges of assets to secure  government  deposits,  to exercise trust
powers, sales of assets received in satisfaction of debts previously  contracted
in the  normal  course  of  business,  issuance  of loans,  sales of  previously
purchased  government  guaranteed  loans,  or  transactions  in  the  investment
securities portfolio by CNYF or a CNYF Subsidiary or repurchase agreements made,
in each case, in the ordinary course of business; or (ii) undertake or enter any
lease,  contract or other  commitment for its account,  other than in the normal
course  of  providing  credit  to  customers  as part of its  banking  business,
involving  a  payment  by CNYF or any  CNYF  Subsidiary  of  more  than  $50,000
annually,  or containing a material financial commitment and extending beyond 12
months from the date hereof.

         SECTION 5.02 ACCESS; CONFIDENTIALITY.

         (a) Each of CNYF and the CNYF Subsidiaries shall permit Niagara Bancorp
and its representatives  reasonable access to its properties, and shall disclose
and make available to them all books, papers and records relating to the assets,
stock ownership, properties, operations, obligations and liabilities of CNYF and
its subsidiaries, including, but not limited to, all books of account (including
the  general  ledger),  tax  records,  minute  books of  meetings  of  boards of
directors (and any committees  thereof)(other  than minutes of any  confidential
discussion of this  Agreement and the  transactions  contemplated  hereby),  and
stockholders,   organizational   documents,   bylaws,   material  contracts  and
agreements,  filings with any regulatory  authority,  accountants'  work papers,
litigation files, plans affecting  employees,  and any other business activities
or prospects in which Niagara Bancorp may have a reasonable  interest.  CNYF and
CSB shall make their  respective  officers,  employees and agents and authorized
representatives (including counsel and independent public accountants) available
to confer  with  Niagara  Bancorp  and its  representatives.  CNYF and CSB shall
permit a representative  of Niagara Bancorp to attend any meeting of CNYF and/or
CSB's Board of Directors or the  Executive  Committees  thereof  (provided  that

                                       30
<PAGE>


neither  CNYF  nor  CSB  shall  be  required  to  permit  the  Niagara   Bancorp
representative  to remain  present  during any  confidential  discussion  of the
Agreement and the transactions  contemplated thereby). The parties will hold all
such  information  delivered  in  confidence  to the extent  required by, and in
accordance with, the provisions of the confidentiality agreement, dated November
22, 1999, among CNYF and Niagara Bancorp (the "Confidentiality Agreement").

         (b) Niagara   Bancorp  agrees  to  conduct  such   investigations   and
discussions  hereunder  in a manner  so as not to  interfere  unreasonably  with
normal operations and customer and employee relationships of the other party.

         (c) In addition to the access permitted by subparagraph (a) above, from
the date of this Agreement through the Closing Date, CNYF shall permit employees
of Niagara Bancorp  reasonable access to information  relating to problem loans,
loan restructurings and loan work-outs of CNYF.

         (d) If the  transactions  contemplated  by this Agreement  shall not be
consummated,  CNYF and Niagara Bancorp will each destroy or return all documents
and records  obtained  from the other party or its  representatives,  during the
course of its  investigation  and will cause all information with respect to the
other party obtained  pursuant to this Agreement or preliminarily  thereto to be
kept confidential,  except to the extent such information becomes public through
no  fault  of the  party  to whom the  information  was  provided  or any of its
representatives  or agents  and  except  to the  extent  disclosure  of any such
information is legally required. CNYF and Niagara Bancorp shall each give prompt
written  notice to the other  party of any  contemplated  disclosure  where such
disclosure is so legally required.

         SECTION 5.03 REGULATORY MATTERS AND CONSENTS.

         (a) Niagara Bancorp and Lockport  Savings will prepare all Applications
and make all filings  for,  and use their best  efforts to obtain as promptly as
practicable after the date hereof, all necessary permits,  consents,  approvals,
waivers and authorizations of all Regulatory  Authorities necessary or advisable
to consummate the transactions contemplated by this Agreement.

         (b) CNYF will furnish Niagara  Bancorp with all information  concerning
CNYF and CNYF  Subsidiaries  as may be necessary or advisable in connection with
any  Application  or  filing  made by or on  behalf of  Niagara  Bancorp  to any
Regulatory  Authority in connection with the  transactions  contemplated by this
Agreement.

         (c) Niagara  Bancorp  and CNYF will  promptly  furnish  each other with
copies of all material written  communications  to, or received by them from any
Regulatory Authority in respect of the transactions  contemplated hereby, except
information which is filed by either party which is designated as confidential.

         (d) The parties  hereto  agree that they will  consult  with each other
with  respect  to  the  obtaining  of  all  permits,  consents,   approvals  and
authorizations of all third parties and Regulatory Authorities.  Niagara Bancorp
will furnish CNYF with (i) copies of all  Applications  prior to filing with any
Regulatory  Authority  and  provide  CNYF a  reasonable  opportunity  to provide
changes  to such  Applications,  and (ii)  copies of all  Applications  filed by
Niagara Bancorp.

                                       31
<PAGE>


         (e) CNYF and  Niagara  Bancorp  will  cooperate  with each other in the
foregoing  matters and will furnish the  responsible  party with all information
concerning  it and  its  subsidiaries  as  may  be  necessary  or  advisable  in
connection with any Application or filing (including the Proxy Statement and any
report  filed with the SEC) made by or on behalf of  Niagara  Bancorp or CNYF to
any Regulatory  Authority in connection  with the  transactions  contemplated by
this  Agreement,  and such  information  will be  accurate  and  complete in all
material respects. In connection therewith, each party will provide certificates
and other documents reasonably requested by the other.

         SECTION 5.04 TAKING OF NECESSARY ACTION.

         (a) Niagara  Bancorp  and CNYF shall each use its best  efforts in good
faith,  and each of them shall cause its  Subsidiaries to use their best efforts
in good faith, to (i) furnish such  information as may be required in connection
with the  preparation  of the  documents  referred  to in  Section  5.03 of this
Agreement,  and (ii) take or cause to be taken all action necessary or desirable
on its part  using its best  efforts  so as to permit  completion  of the Merger
including,  without  limitation,  (A)  obtaining the consent or approval of each
individual,   partnership,   corporation,   association  or  other  business  or
professional  entity  whose  consent or approval is  required or  desirable  for
consummation of the transactions  contemplated  hereby (including  assignment of
leases  without any change in terms),  provided  that  neither CNYF nor any CNYF
Subsidiary  shall agree to make any payments or  modifications  to agreements in
connection  therewith without the prior written consent of Niagara Bancorp,  and
(B) requesting the delivery of appropriate  opinions,  consents and letters from
its counsel and independent  auditors.  No party hereto shall take, or cause, or
to  the  best  of  its  ability  permit  to be  taken,  any  action  that  would
substantially  impair the  prospects of completing  the Merger  pursuant to this
Agreement; provided that nothing herein contained shall preclude Niagara Bancorp
or CNYF from exercising its rights under this Agreement or the Option Agreement.

         (b) CNYF shall  prepare,  subject to the review and  consent of Niagara
Bancorp with respect to matters relating to Niagara Bancorp and the transactions
contemplated by this  Agreement,  a Proxy Statement to be filed by CNYF with the
SEC and to be mailed to the  shareholders of CNYF in connection with the meeting
of its shareholders and transactions  contemplated hereby, which Proxy Statement
shall conform to all applicable legal requirements.  The parties shall cooperate
with each other with respect to the preparation of the Proxy Statement.

         SECTION 5.05 CERTAIN AGREEMENTS.

         (a) From  and  after  the  Merger  Effective  Date  through  the  sixth
anniversary  thereof,  Niagara  Bancorp  agrees to  indemnify,  defend  and hold
harmless  each  present  and  former  director  and  officer  of  CNYF  and  its
Subsidiaries  determined  as of the  Closing  Date (the  "INDEMNIFIED  PARTIES")
against all losses,  claims,  damages,  costs,  expenses  (including  reasonable
attorneys'  fees  and  expenses),  liabilities,  judgments  or  amounts  paid in
settlement  (with the approval of Niagara  Bancorp,  which approval shall not be
unreasonably withheld) or in connection with any claim, action, suit, proceeding
or investigation arising out of matters existing or occurring at or prior to the
Merger Effective Date (a "CLAIM") in which an Indemnified Party is, or is

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threatened  to be made,  a party or a  witness  based in whole or in part on, or
arising  in whole  or in part out of,  the fact  that  such  person  is or was a
director or officer of CNYF or any of its  subsidiaries,  regardless  of whether
such Claim is asserted or claimed prior to, at or after the Closing Date, to the
fullest  extent to which  directors and officers of CNYF are entitled  under the
DGCL, CNYF's certificate of incorporation and bylaws, or other applicable law as
in effect on the date hereof (and Niagara  Bancorp shall pay expenses in advance
of the final  disposition  of any such action or proceeding to each  Indemnified
Party to the extent  permissible  to a Delaware  corporation  under the DGCL and
CNYF's  certificate of incorporation and bylaws as in effect on the date hereof;
PROVIDED,  that the person to whom expenses are advanced provides an undertaking
to repay such  expenses if it is ultimately  determined  that such person is not
entitled  to  indemnification).  All rights to  indemnification  in respect of a
Claim  asserted or made within the period  described in the  preceding  sentence
shall continue until the final disposition of such Claim.

         (b) Any  Indemnified  Party  wishing  to  claim  indemnification  under
Section  5.05(a),  upon learning of any Claim,  shall  promptly  notify  Niagara
Bancorp,  but the failure to so notify shall not relieve  Niagara Bancorp of any
liability it may have to such  Indemnified  Party except to the extent that such
failure  materially  prejudices  Niagara Bancorp In the event of any Claim,  (1)
Niagara Bancorp shall have the right to assume the defense thereof (with counsel
reasonably  satisfactory  to the  Indemnified  Party) and shall not be liable to
such  Indemnified  Parties for any legal  expenses of other counsel or any other
expenses  subsequently  incurred by such Indemnified  Parties in connection with
the defense  thereof,  except that, if Niagara Bancorp elects not to assume such
defense or counsel for the  Indemnified  Parties  advises  that there are issues
which raise  conflicts of interest  between  Niagara Bancorp and the Indemnified
Parties,  the Indemnified  Parties may retain counsel  satisfactory to them, and
Niagara  Bancorp shall pay all reasonable  fees and expenses of such counsel for
the Indemnified Parties promptly as statements  therefor are received,  provided
further that Niagara  Bancorp  shall in all cases be obligated  pursuant to this
paragraph to pay for only one firm of counsel for all Indemnified  Parties,  (2)
the Indemnified  Parties will cooperate in the defense of any such Claim and (3)
Niagara  Bancorp  shall not be liable for any  settlement  effected  without its
prior written consent (which consent shall not unreasonably be withheld).

         (c) In the event Niagara Bancorp or any of is successors or assigns (1)
consolidates  with or merges  into any other  Person and shall not  continue  or
survive  such  consolidation  or merger,  or (2)  transfers  or  conveys  all or
substantially all of its properties and assets to any Person,  then, and in each
such case, to the extent  necessary,  proper provision shall be made so that the
successors and assigns of Niagara  Bancorp assume the  obligations  set forth in
this Section 5.05.

         (d) Niagara  Bancorp shall  maintain in effect for three years from the
Closing Date,  if  available,  the current  directors'  and officers'  liability
insurance  policy   maintained  by  CNYF  (PROVIDED  that  Niagara  Bancorp  may
substitute  therefor policies of at least the same coverage containing terms and
conditions  which are not  materially  less  favorable)  with respect to matters
occurring at or prior to the Closing  Date. In  connection  with the  foregoing,
CNYF and CSB each agrees to provide such insurer or substitute insurer with such
representations  as such  insurer may  reasonably  request  with  respect to the
reporting of any prior claims.

         (e) The  provisions  of this  Section  5.05 are  intended to be for the
benefit of, and shall be enforceable by, each  Indemnified  Party and his or her
heirs and representatives.

                                       33
<PAGE>


         SECTION 5.06 NO OTHER BIDS AND RELATED MATTERS. From and after the date
hereof until the  termination of this  Agreement,  neither CNYF, CSB or any CNYF
Subsidiary,  nor  any  of  their  respective  officers,  directors,   employees,
representatives,  agents  or  affiliates  (including,  without  limitation,  any
investment  banker,  attorney  or  accountant  retained  by  CNYF  or any of its
Subsidiaries),  will,  directly or  indirectly,  initiate,  solicit or knowingly
encourage (including by way of furnishing non-public information or assistance),
or  facilitate  knowingly,  any  inquiries  or the making of any  proposal  that
constitutes,  or may reasonably be expected to lead to, any Acquisition Proposal
(as  defined  below),  or enter into or  maintain  or  continue  discussions  or
negotiate  with any  person or entity in  furtherance  of such  inquiries  or to
obtain an Acquisition Proposal or agree to or endorse any Acquisition  Proposal,
or authorize or permit any of its  officers,  directors,  or employees or any of
its  subsidiaries  or  any  investment  banker,  financial  advisor,   attorney,
accountant or other  representative  retained by any of its subsidiaries to take
any such  action,  and CNYF shall  notify  Niagara  Bancorp  orally  (within one
business day) and in writing (as promptly as practicable) of all of the relevant
details  relating  to  all  inquiries  and  proposals  which  it or  any  of its
Subsidiaries  or  any  such  officer,  director  employee,   investment  banker,
financial  advisor,  attorney,  accountant or other  representative  may receive
relating  to any of such  matters  and if such  inquiry  or  proposal  promptly,
PROVIDED,  HOWEVER,  that nothing  contained in this Section 5.06 shall prohibit
the Board of Directors of CNYF from (i) furnishing  information  to, or entering
into  discussions  or  negotiations  with any  person  or entity  that  makes an
unsolicited  written,  bona fide proposal,  to acquire CNYF or CSB pursuant to a
merger, consolidation,  share exchange, business combination, tender or exchange
offer or other  similar  transaction,  if, and only to the extent that,  (A) the
Board of  Directors  of CNYF  receives a written  opinion  from its  independent
financial  advisor  that such  proposal  may be  superior  to the Merger  from a
financial  point-of-view to CNYF's  stockholders,  (B) the Board of Directors of
CNYF,  after  consultation  with and based upon the advice of independent  legal
counsel, determines in good faith that such action is necessary for the Board of
Directors  of CNYF to comply with its  fiduciary  duties to  stockholders  under
applicable  law (such  proposal  that  satisfies  (A) and (B) being  referred to
herein as a "Superior  Proposal"),  (C) prior to furnishing such information to,
or entering into discussions or negotiations  with, such person or entity,  CNYF
(x)  provides  reasonable  notice to Niagara  Bancorp  to the effect  that it is
furnishing  information to, or entering into  discussions or negotiations  with,
such  person or entity and (y)  receives  from such person or entity an executed
confidentiality  agreement  in form  and  substance  identical  in all  material
respects to the Confidentiality  Agreement,  and (D) the CNYF Special Meeting of
Stockholders convened to approve this Agreement has not occurred, (ii) complying
with Rule 14e-2  promulgated  under the  Exchange Act with regard to a tender or
exchange  offer,  or (iii)  prior to the CNYF  Special  Meeting of  Stockholders
convened to approve this Agreement,  failing to make or withdrawing or modifying
its  recommendation  to stockholders,  and entering into a Superior  Proposal if
there  exists a Superior  Proposal  and the Board of  Directors  of CNYF,  after
consultation  with and based  upon the  advice  of  independent  legal  counsel,
determined  in good  faith  that such  action  is  necessary  for such  Board of
Directors to comply with its fiduciary  duties to stockholders  under applicable
law. For purposes of this  Agreement,  "Acquisition  Proposal" shall mean any of
the following (other than the  transactions  contemplated  hereunder)  involving
CNYF or any of its subsidiaries: (i) any merger, consolidation,  share exchange,
business  combination,  or other  similar  transactions;  (ii) any sale,  lease,
exchange,  mortgage, pledge, transfer or other disposition of 20% or more of the
assets of CNYF or CSB,  taken as a whole,  in a single  transaction or series of

                                       34
<PAGE>


transactions;  (iii) any tender  offer or exchange  offer for 10% or more of the
outstanding  shares of  capital  stock of CNYF or the  filing of a  registration
statement under the Securities Act in connection  therewith;  or (iv) any public
announcement of a proposal,  plan or intention to do any of the foregoing or any
agreement to engage in any of the foregoing.

         SECTION 5.07 DUTY  TO  ADVISE;  DUTY  TO  UPDATE  THE  CNYF  DISCLOSURE
SCHEDULES.  CNYF shall promptly  advise  Niagara  Bancorp of any change or event
having a Material  Adverse  Effect on it or on any CNYF  Subsidiary  or which it
believes  would or would be reasonably  likely to cause or constitute a material
breach of any of its representations,  warranties or covenants set forth herein.
CNYF shall update the CNYF DISCLOSURE SCHEDULES as promptly as practicable after
the  occurrence  of an event or fact which,  if such event or fact had  occurred
prior to the date of this  Agreement,  would  have  been  disclosed  in the CNYF
DISCLOSURE  SCHEDULES.  The delivery of such updated  Schedule shall not relieve
CNYF  from any  breach or  violation  of this  Agreement  and shall not have any
effect for the purposes of  determining  the  satisfaction  of the condition set
forth in Sections 6.02(c) hereof.

         SECTION 5.08 CONDUCT OF NIAGARA  BANCORP'S  BUSINESS.  From the date of
this Agreement to the Closing Date, Niagara Bancorp will use its best efforts to
(x) preserve its business  organizations intact, (y) maintain good relationships
with  employees,  and (z)  preserve  for itself the  goodwill  of  customers  of
Lockport Savings and its other Subsidiaries.  From the date of this Agreement to
the Closing Date,  neither  Niagara  Bancorp will (i) amend its  certificate  of
incorporation,  charter or bylaws in any manner inconsistent with the prompt and
timely  consummation of the  transactions  contemplated by this Agreement,  (ii)
take any action which would result in any of the  representations and warranties
of Niagara  Bancorp or  Lockport  Savings set forth in this  Agreement  becoming
untrue as of any date  after the date  hereof  or in any of the  conditions  set
forth in Article VI hereof  not being  satisfied,  except in each case as may be
required by applicable  law,  (iii) take any action which would or is reasonably
likely to  adversely  effect or  materially  delay the receipt of the  necessary
approvals  from the Regulatory  Authorities;  (iv) take action which would or is
reasonably  likely to materially and adversely affect Niagara  Bancorp's ability
to perform its  covenants  and  agreements  under this  Agreement;  (v) take any
action  that  would  result in any of the  conditions  to the  Merger  not being
satisfied; or (vi) agree to do any of the foregoing.

         SECTION 5.09  BOARD  AND  COMMITTEE MINUTES.  CNYF and CSB  shall  each
provide to Niagara  Bancorp,  within thirty (30) days after any meeting of their
respective Board of Directors,  or any committee  thereof, a copy of the minutes
of such meeting, except that with respect to any meeting held within thirty (30)
days of the Closing Date,  such minutes shall be provided to each party prior to
the Closing Date.

         SECTION 5.10 UNDERTAKINGS BY CNYF AND NIAGARA BANCORP

         (a) From and after the date of this Agreement:

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<PAGE>


             (i) VOTING BY DIRECTORS.  Simultaneously with the execution of this
Agreement,  or within  five days  thereof,  each  Director of CNYF and CSB shall
enter into the agreement set forth as Exhibit B to this Agreement;

             (ii)  PROXY  SOLICITOR.  CNYF  shall  retain a proxy  solicitor  in
connection with the solicitation of shareholder approval of this Agreement;

             (iii) TIMELY  REVIEW.  If  requested by Niagara  Bancorp at Niagara
Bancorp's  sole  expense,  CNYF shall  cause its  independent  certified  public
accountants  to  perform  a  review  of  its  unaudited  consolidated  financial
statements as of the end of any calendar  quarter,  in accordance with Statement
of  Auditing  Standards  No. 36,  and to issue  their  report on such  financial
statements as soon as is practicable thereafter;

             (iv) OUTSIDE  SERVICE  BUREAU  CONTRACTS.  If requested to do so by
Niagara  Bancorp,  CNYF shall use its best efforts to obtain an extension of, or
termination  of, any contract with an outside  service bureau or other vendor of
services  to CNYF,  on terms  and  conditions  mutually  acceptable  to CNYF and
Niagara Bancorp;

             (v) BOARD MEETINGS.  CNYF and CSB shall permit a representative  of
Niagara Bancorp to attend any meeting of CNYF and/or CSB's Board of Directors or
the Executive  Committees  thereof  (provided that neither CNYF nor CSB shall be
required to permit the Niagara Bancorp  representative  to remain present during
any confidential  discussion of the Agreement and the transactions  contemplated
thereby).  CNYF and CSB shall effect such  changes to the Restated  Organization
Certificate  and the Bylaws of CSB,  such  amendments  to be effective as of the
Merger  Effective  Date, as Niagara  Bancorp may reasonably  request in order to
facilitate the operation of CSB as a wholly-owned subsidiary of Niagara Bancorp.

             (vi) LIST OF  NONPERFORMING  ASSETS.  CNYF  shall  provide  Niagara
Bancorp,  within ten (10) days of the end of each calendar month, a written list
of nonperforming  assets (the term "nonperforming  assets," for purposes of this
subsection, means (i) loans that are "troubled debt restructuring" as defined in
Statement of Financial  Accounting  Standards No. 15, "Accounting by Debtors and
Creditors for Troubled Debt Restructuring," (ii) loans on nonaccrual, (iii) real
estate owned, (iv) all loans ninety (90) days or more past due) as of the end of
such month and (iv) and impaired loans; and

             (vii) RESERVES AND MERGER-RELATED COSTS. On or before the Effective
Date,  CNYF shall  establish  such  additional  accruals  and reserves as may be
necessary to conform the  accounting  reserve  practices and methods  (including
credit loss practices and methods) of CNYF to those of Niagara  Bancorp (as such
practices and methods are to be applied to CNYF from and after the Closing Date)
and Niagara  Bancorp's plans with respect to the conduct of the business of CNYF
following the Merger and otherwise to reflect Merger-related  expenses and costs
incurred  by CNYF,  provided,  however,  that CNYF shall not be required to take
such action  unless  Niagara  Bancorp  agrees in writing that all  conditions to
closing set forth in Section 6.02 have been  satisfied or waived (except for the
expiration of any applicable waiting periods);  prior to the delivery by Niagara
Bancorp of the writing referred to in the preceding clause,

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<PAGE>


CNYF  shall  provide  Niagara  Bancorp a written  statement,  certified  without
personal  liability by the chief executive officer of CNYF and dated the date of
such writing,  that the representation made in Section 3.15(b) hereof is true as
of such date or,  alternatively,  setting forth in detail the circumstances that
prevent such  representation  from being true as of such date; and no accrual or
reserve made by CNYF or any CNYF Subsidiary pursuant to this subsection,  or any
litigation or regulatory  proceeding arising out of any such accrual or reserve,
shall constitute or be deemed to be a breach or violation of any representation,
warranty,  covenant,  condition  or  other  provision  of this  Agreement  or to
constitute a termination  event within the meaning of Section 7.01(b) hereof. No
action shall be required to be taken by CNYF pursuant to this Section  5.10(vii)
if, in the opinion of CNYF's independent auditors,  such action would contravene
GAAP;

             (viii)  SHAREHOLDERS  MEETING.  CNYF shall submit this Agreement to
its  shareholders  for approval at a meeting to be held as soon as  practicable,
and,  subject to the next  sentence,  its  Boards of  Director  shall  recommend
approval of this Agreement to the CNYF  shareholders.  The Board of Directors of
CNYF may fail to make such a recommendation,  or withdraw,  modify or change any
such recommendation only in connection with a Superior Proposal, as set forth in
Section  5.06 of this  Agreement,  and only if such  Board of  Directors,  after
having  consulted  with and  considered  the advice of  outside  counsel to such
Board, has determined that the making of such recommendation,  or the failure so
to withdraw,  modify or change its recommendation,  would constitute a breach of
the fiduciary  duties of such directors  under Delaware law. CNYF shall take all
steps  necessary  in order to hold a special  meeting  of  stockholders  for the
purpose of  approving  this  Agreement  within  four  months of the date of this
Agreement,  or as soon thereafter as is practicable.  CNYF shall promptly inform
Niagara  Bancorp of any  shareholder who makes a written demand upon CNYF for an
appraisal of his shares of CNYF Common Stock in connection with the Merger.

             (ix) SYSTEMS CONVERSIONS.  CNYF and Niagara Bancorp shall meet on a
regular  basis  to  discuss  and  plan  for  the  conversion  of  CNYF  and  its
Subsidiaries'  data processing and related electronic  informational  systems to
those  used by  Niagara  Bancorp  and its  subsidiaries,  which  planning  shall
include,  but not be limited to, discussion of the possible  termination by CNYF
and CSB of third-party service provider arrangements  effective at the Effective
Time or at a date  thereafter,  non-renewal  of  personal  property  leases  and
software licenses used by CNYF or any of its Subsidiaries in connection with its
systems operations, retention of outside consultants and additional employees to
assist with the conversion, and outsourcing,  as appropriate,  of proprietary or
self-provided  system  services,  it being  understood  that  CNYF  shall not be
obligated to take any such action prior to the Effective  Time and,  unless CNYF
otherwise agrees, no conversion shall take place prior to the Effective Time. In
the event that CNYF or any of its Subsidiaries  takes, at the request of Niagara
Bancorp,  any action relative to third parties to facilitate the conversion that
results in the imposition of any termination fees, expenses or charges,  Niagara
Bancorp shall indemnify CNYF and its  Subsidiaries  for any such fees,  expenses
and  charges,  and the costs of reversing  the  conversion  process,  if for any
reason  the  Merger  is not  consummated  in  accordance  with the terms of this
Agreement.

         (b) From and after the date of this Agreement, Niagara Bancorp and CNYF
shall each:

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<PAGE>


             (i)  FILINGS  AND  APPROVALS.  Cooperate  with  the  other  in  the
preparation and filing, as soon as practicable, of (A) the Applications, (B) the
Proxy Statement, (C) all other documents necessary to obtain any other approvals
and consents required to effect the completion of the Merger,  and (D) all other
documents contemplated by this Agreement;

             (ii) PUBLIC  ANNOUNCEMENTS.  Cooperate  and cause their  respective
officers, directors, employees and agents to cooperate in good faith, consistent
with their respective legal obligations, in the preparation and distribution of,
and agree  upon the form and  substance  of, any press  release  related to this
Agreement  and  the  transactions  contemplated  hereby,  and any  other  public
disclosures  related thereto,  including  without  limitation  communications to
shareholders,  internal  announcements  and  customer  disclosures,  but nothing
contained  herein shall prohibit  either party from making any disclosure  which
its counsel deems  necessary,  provided that the  disclosing  party notifies the
other party reasonably in advance of the timing and contents of such disclosure;

             (iii)   MAINTENANCE  OF  INSURANCE.   Maintain,   and  cause  their
respective Subsidiaries to maintain, insurance in such amounts as are reasonable
to cover such risks as are  customary in relation to the  character and location
of its properties and the nature of its business;

             (iv)  MAINTENANCE OF BOOKS AND RECORDS.  Maintain,  and cause their
respective Subsidiaries to maintain,  books of account and records in accordance
with generally accepted accounting principles applied on a basis consistent with
those  principles  used  in  preparing  the  financial   statements   heretofore
delivered;

             (v) DELIVERY OF SECURITIES DOCUMENTS.  Deliver to the other, copies
of all Securities Documents simultaneously with the filing thereof; or

             (vi) TAXES. File all federal, state, and local tax returns required
to be filed by them or their respective  Subsidiaries on or before the date such
returns are due (including any  extensions) and pay all taxes shown to be due on
such returns on or before the date such payment is due.

         SECTION 5.11 EMPLOYEE   AND   TERMINATION   BENEFITS;   DIRECTORS   AND
                      MANAGEMENT.

         (a) The CNYF Employee  Stock  Ownership Plan (the "CNYF ESOP") shall be
terminated as of, or prior to, the Merger Effective Date (all shares held by the
ESOP shall be converted into the right to receive the Merger Consideration), all
outstanding  CNYF ESOP  indebtedness  shall be repaid,  and the balance shall be
allocated  and  distributed  to CNYF  employees  (subject  to the  receipt  of a
determination  letter from the IRS), as provided for in the CNYF ESOP and unless
otherwise  required by applicable law. Niagara Bancorp will review other CNYF or
CSB employee plans to determine whether to maintain,  terminate or continue such
plans.  If any CNYF or CSB  employee  plans are  consolidated  with any  Niagara
Bancorp (or subsidiary  thereof)  employee plan,  credit will be given for prior
service with CNYF or CSB for determining  eligibility  and vesting,  but not for
benefit accrual purposes.

         (b) After the Merger  Effective  Date, any former  employees of CNYF or
any CNYF Subsidiary whose employment is terminated, other than for cause, within
twelve months of the Closing Date shall be provided with  severance  benefits in

                                       38
<PAGE>


accordance  with the  severance  policy  described on CNYF  DISCLOSURE  SCHEDULE
5.11(b).  In addition,  it is anticipated  that in order for Niagara  Bancorp to
effectuate a smooth transition of the back office operations and data processing
systems of CSB,  it may be  necessary  to retain  the  services  of certain  CSB
back-office  personnel for up to one and one-half  years after the Closing Date.
Niagara  Bancorp  agrees  that  notwithstanding  that such  persons  will not be
terminated  within  twelve  months  after the Closing  Date,  they will still be
entitled to receive severance payments pursuant to CSB's employee severance plan
for service with CSB prior to termination.

         SECTION 5.12 DUTY  TO  ADVISE;   DUTY  TO  UPDATE   NIAGARA   BANCORP'S
DISCLOSURE  SCHEDULES.  Niagara Bancorp shall promptly advise CNYF of any change
or event  which it  believes  would or would be  reasonably  likely  to cause or
constitute  a  material  breach  of any of its  representations,  warranties  or
covenants  set forth herein.  Niagara  Bancorp  shall update  Niagara  Bancorp's
DISCLOSURE SCHEDULES as promptly as practicable after the occurrence of an event
or fact  which,  if such  event or fact had  occurred  prior to the date of this
Agreement, would have been disclosed in the Niagara Bancorp DISCLOSURE SCHEDULE.
The delivery of such updated Schedule shall not relieve Niagara Bancorp from any
breach or  violation  of this  Agreement  and shall not have any  effect for the
purposes of determining the  satisfaction of the condition set forth in Sections
6.01(c) hereof.

         SECTION 5.13 GOVERNANCE AND RELATED MATTERS.

         (a) Following the Merger  Effective  Date, and subject to paragraph (c)
below,  the  Board of  Directors  of CSB  shall  consist  of the  seven  current
directors listed on CNYF DISCLOSURE  SCHEDULE 5.13.  Harvey Kaufman shall remain
chairman of the board of directors of CSB. One additional  person  designated by
the CSB board, and reasonably acceptable to Niagara Bancorp, may be appointed to
the CSB board. The directors of CSB shall be entitled to receive  attendance and
retainer  fees in the same  amounts as in effect on the date of this  Agreement.
The  retirement  age for  service  on the CSB board  shall be 70 years.  Niagara
Bancorp shall have appropriate representation on the CSB board.

         (b) Niagara  Bancorp  shall honor all  obligations  of the CNYF and CSB
with respect to their existing Directors  Deferred  Compensation Plans and shall
provide  post-retirement  health  insurance  benefits to existing  retirees  and
employees of CSB upon the same terms and  conditions  as presently  exist in the
Post-Retirement Health Insurance Plan of CSB.

         (c) Niagara  Bancorp  will honor the  employment  contract  termination
provisions  for  executive  officers  of CNYF and CSB,  except for the  existing
employment  contract with the President of CSB, who will retire on or before the
consummation  of the Merger without further  obligation  under any employment or
severance agreement (and will execute an acknowledgment to this effect),  except
that he shall not forfeit  benefits  under the ESOP,  PRRP and the Stock  Option
Plan.  Michael  Stapleton will be elected as the chief executive  officer of CSB
effective  as of the Merger  Effective  Date,  and will be  appointed to the CSB
board  of  directors.  He  will  be  offered  a one  year  evergreen  employment
agreement.

                                       39
<PAGE>


         (d) Niagara Bancorp hereby affirms that it is its present  intention to
operate  CSB as a separate  subsidiary  for at least the next two years with the
same board of directors as constituted pursuant to Section 5.13(a).

         (e) The board of directors of CSB may form an outplacement committee to
oversee outplacement of those employees who will not be retained. However, it is
understood  that CSB will  only  provide  nominal  funding  for an  outplacement
program.  The chief  financial  officer of CSB as of the date of this  Agreement
will be  permitted  to  continue  to use an office  and a  telephone,  facsimile
machine  and  personal  computer  at the main  offices  of CSB for  outplacement
purposes for six months after the Closing Date.

         (f) Niagara  Bancorp  shall cause its Board of Directors to be expanded
to include Harvey Kaufman, the current chairman of the board of CNYF and, and he
shall  commence  service on the Niagara  Bancorp Board of Directors  immediately
following the Merger Effective Date.

                                   ARTICLE VI
                                   CONDITIONS

         SECTION 6.01 CONDITIONS TO CNYF'S OBLIGATIONS UNDER THIS AGREEMENT. The
obligations of CNYF hereunder  shall be subject to  satisfaction  at or prior to
the Closing  Date of each of the  following  conditions,  unless  waived by CNYF
pursuant to Section 8.03 hereof:

         (a) CORPORATE  PROCEEDINGS.  All action  required to be taken by, or on
the part of, Niagara Bancorp and Niagara Merger Corp to authorize the execution,
delivery  and  performance  of  this  Agreement,  and  the  consummation  of the
transactions  contemplated by this  Agreement,  shall have been duly and validly
taken by Niagara  Bancorp and Niagara  Merger Corp; and CNYF shall have received
certified copies of the resolutions evidencing such authorizations;

         (b) COVENANTS.   The  obligations  and  covenants  of  Niagara  Bancorp
required by this Agreement to be performed by Niagara Bancorp at or prior to the
Closing Date shall have been duly  performed  and complied  with in all material
respects;

         (c) REPRESENTATIONS AND WARRANTIES.  The representations and warranties
of Niagara  Bancorp set forth in this Agreement shall be true and correct in all
material  respects as of the date of this Agreement,  and as of the Closing Date
as though made on and as of the Closing Date (except as to any representation or
warranty which specifically relates to an earlier date);

         (d) APPROVALS OF  REGULATORY  AUTHORITIES.  Niagara  Bancorp shall have
received all required approvals of Regulatory Authorities of the Merger, and all
notice and  waiting  periods  required  thereunder  shall  have  expired or been
terminated;

         (e) NO  INJUNCTION.  There shall not be in effect any order,  decree or
injunction  of a court or agency of  competent  jurisdiction  which  enjoins  or
prohibits consummation of the transactions contemplated hereby;

                                       40
<PAGE>


         (f) OFFICER'S CERTIFICATE. Niagara Bancorp shall have delivered to CNYF
a certificate, dated the Closing Date and signed, without personal liability, by
its chairman of the board or president,  to the effect that the  conditions  set
forth in  subsections  (a)  through (e) and (i) of this  Section  6.01 have been
satisfied, to the best knowledge of the officer executing the same;

         (g) OPINION OF NIAGARA BANCORP'S  COUNSEL.  CNYF shall have received an
opinion  of Luse  Lehman  Gorman  Pomerenk  & Schick,  P.C.,  counsel to Niagara
Bancorp,  dated the Closing Date, in form and substance reasonably  satisfactory
to CNYF and its counsel to the effect set forth on Exhibit 6.1 attached hereto;

         (h) APPROVAL OF CNYF'S  SHAREHOLDERS.  This  Agreement  shall have been
approved  by the  shareholders  of  CNYF  by  such  vote  as is  required  under
applicable Delaware law, and CNYF's certificate of incorporation and bylaws; and

         (i) FUNDS DEPOSITED WITH THE EXCHANGE AGENT. Niagara Bancorp shall have
deposited or caused to be deposited, in trust with the Exchange Agent, an amount
of cash equal to the aggregate Merger  Consideration  that the CNYF stockholders
shall be entitled to receive on the Merger  Effective  Date  pursuant to Section
2.02 of this Agreement.

         SECTION 6.02  CONDITIONS TO NIAGARA  BANCORP'S  OBLIGATIONS  UNDER THIS
AGREEMENT.  The  obligations of Niagara  Bancorp  hereunder  shall be subject to
satisfaction  at or  prior  to  the  Closing  Date  of  each  of  the  following
conditions, unless waived by Niagara Bancorp pursuant to Section 8.03 hereof:

         (a) CORPORATE  PROCEEDINGS.  All action  required to be taken by, or on
the part of, CNYF to authorize the execution,  delivery and  performance of this
Agreement,  and  the  consummation  of the  transactions  contemplated  by  this
Agreement,  shall have been duly and validly taken by CNYF; and Niagara  Bancorp
shall  have  received  certified  copies  of  the  resolutions  evidencing  such
authorizations;

         (b) COVENANTS.  The  obligations and covenants of CNYF required by this
Agreement  to be performed by it at or prior to the Closing Date shall have been
duly performed and complied with in all material respects;

         (c) REPRESENTATIONS AND WARRANTIES.  The representations and warranties
of CNYF set forth in this  Agreement  shall be true and correct in all  material
respects as of the date of this Agreement,  and as of the Closing Date as though
made on and as of the Closing Date (except as to any  representation or warranty
which specifically relates to an earlier date);

         (d) APPROVALS OF  REGULATORY  AUTHORITIES.  Niagara  Bancorp shall have
received all required approvals of Regulatory Authorities of the Merger (without
the  imposition  of any  conditions  that are in  Niagara  Bancorp's  reasonable
judgment  unduly  burdensome);  and all  notice  and  waiting  periods  required
thereunder shall have expired or been terminated;

                                       41
<PAGE>


         (e) NO  INJUNCTION.  There shall not be in effect any order,  decree or
injunction  of a court or agency of  competent  jurisdiction  which  enjoins  or
prohibits consummation of the transactions contemplated hereby;

         (f) NO MATERIAL  ADVERSE EFFECT.  Since December 31, 1998,  there shall
not have occurred any Material Adverse Effect with respect to CNYF;

         (g) APPROVAL OF CNYF'S  SHAREHOLDERS.  This  Agreement  shall have been
approved  by the  shareholders  of  CNYF  by  such  vote  as is  required  under
applicable Delaware law, and CNYF's certificate of incorporation and bylaws;

         (h) OFFICER'S CERTIFICATE. CNYF shall have delivered to Niagara Bancorp
a certificate, dated the Closing Date and signed, without personal liability, by
its chairman of the board or president,  to the effect that the  conditions  set
forth in  subsections  (a)  through (g) and (k) of this  Section  6.02 have been
satisfied, to the best knowledge of the officer executing the same;

         (i) OPINIONS OF CNYF'S COUNSEL.  Niagara Bancorp shall have received an
opinion of Serchuk & Zelermyer, LLP, counsel to CNYF, dated the Closing Date, in
form and substance reasonably satisfactory to Niagara Bancorp and its counsel to
the effect set forth on Exhibit 6.3 attached hereto;

         (j) TAX OPINION. Niagara Bancorp shall have received an opinion of Luse
Lehman Gorman Pomerenk & Schick, P.C., its counsel,  substantially to the effect
set forth on Exhibit 6.2 attached hereto.

         (k) EQUITY.  The  stockholders'  equity of CNYF shall not decline below
the level set  forth in the  September  30,  1999 CNYF  Financials,  except as a
result of  actions  taken at the  request of Niagara  Bancorp  pursuant  to this
Agreement or due to any change in the net unrealized  gain or loss in securities
available  for sale or as a result of stock  repurchases  completed  in October,
1999.

         SECTION 6.03 ENVIRIONMENTAL CONDITION.

         (a) With  respect  to a  CSB-owned  property  located  at 12 South Main
Street  in the  Village  of  Homer  ("Homer  Site"),  a Phase  II  environmental
inspection has been conducted regarding underground oil tanks and a dry well. If
the cost of remediation,  if any, necessary to obtain a letter from the New York
State  Department  of  Environmental  Conservation  that no further  action with
respect  to  the  Homer  Site  is  required  is  $100,000  or  less,   then  the
environmental  conditions  at the  Homer  Site  shall  have  no  effect  on this
Agreement  and  the  transactions  contemplated  hereby.  If the  cost  of  such
remediation  exceeds  $100,000,  then for  each  $50,000  that the cost  exceeds
$100,000,  the Merger Consideration  payable hereunder shall be reduced by $0.01
per share. If the aggregate  reduction in the Merger  consideration  pursuant to
the preceding  sentence would be more than $0.10 per share, then CNYF shall have
the right to terminate  this  Agreement  and the Niagara  Option and the parties
shall have no further liability to each other hereunder.

                                       42
<PAGE>


         (b) CNYF shall have the right to purchase insurance against remediation
expenses in excess of a level specified in such insurance policy. CNYF shall use
it reasonable best efforts to obtain a letter from the New York State Department
of Environmental  Conservation  that no further action with respect to the Homer
Site is required prior to purchasing insurance.  CNYF shall further consult with
Niagara Bancorp in connection  with the purchase of any such insurance.  Niagara
Bancorp agrees to accept such policy in satisfaction of any obligation to obtain
a  letter  from  the  DEC.  For the  purposes  of the  preceding  paragraph,  in
calculating  whether  the  environment   conditions  have  any  effect  on  this
Agreement,  whether  there is any  adjustment  in the Merger  Consideration,  or
whether  CNYF has the right to  terminate  this  Agreement  and the Option,  the
premium for such insurance shall be added to any remediation  expenses  actually
paid by CNYF or which remains payable by CNYF in order to trigger the insurance.

                                   ARTICLE VII
                        TERMINATION, WAIVER AND AMENDMENT

         SECTION 7.01 TERMINATION. This Agreement may be terminated on or at any
time prior to the Closing Date:

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

         (b) By Niagara Bancorp or CNYF:

             (i)  if  there   shall   have  been  a   material   breach  of  any
representation,  warranty,  covenant or other obligation of the other party, and
the breach cannot be, or shall not have been, cured within 30 days after receipt
by such other  party of notice in writing  specifying  the nature of such breach
and requesting that it be cured;

             (ii) if the  Closing  Date  shall  not have  occurred  on or before
September 30, 2000,  unless the failure of such  occurrence  shall be due to the
failure of the party seeking to terminate  this  Agreement to perform or observe
its obligations set forth in this Agreement required to be performed or observed
by such party on or before the Closing Date;

             (iii) if either party has been  informed in writing by a Regulatory
Authority  whose  approval or consent has been  requested  that such approval or
consent is unlikely to be granted,  unless the failure of such occurrence  shall
be due to the  failure  of the party  seeking to  terminate  this  Agreement  to
perform or observe its agreements  set forth herein  required to be performed or
observed by such party on or before the Closing Date;

             (iv) if there has been no Superior Proposal but the approval of the
shareholders of CNYF required for the  consummation of the Merger shall not have
been  obtained  by reason of the failure to obtain the  required  vote at a duly
held meeting of shareholders or at any adjournment or postponement thereof;

         (c) by CNYF if, as  provided  in Section  5.06,  it receives a Superior
Proposal  and the  CNYF  Board  of  Directors  determines  that it  would  be in
accordance with its fiduciary duties, based upon the advice of its outside legal

                                       43
<PAGE>


counsel,  to accept  the third  party  proposal;  PROVIDED,  HOWEVER,  that such
termination  shall not effect the right of Niagara Bancorp to exercise the Stock
Option Agreement; or

         (d) by Niagara Bancorp if (i) as provided in Section 5.06, the Board of
Directors of CNYF withdraws its recommendation of this Agreement,  fails to make
such  recommendation  or modifies or qualifies  its  recommendation  in a manner
adverse to Niagara Bancorp, or (ii) CNYF enters into an agreement to be acquired
by, or merge or  combine  with,  a third  party in  connection  with a  Superior
Proposal. PROVIDED, HOWEVER, that such termination shall not effect the right of
Niagara Bancorp to exercise the Stock Option Agreement

         SECTION 7.02 EFFECT OF  TERMINATION.  If this  Agreement is  terminated
pursuant to Section 7.01 hereof,  this  Agreement  shall  forthwith  become void
(other than Section 5.02(a) and (d) and Section 8.01 hereof,  which shall remain
in full force and effect),  and there shall be no further  liability on the part
of any of Niagara  Bancorp,  Niagara  Merger Corp or CNYF,  or their  respective
officers, directors and employees.

                                  ARTICLE VIII
                                  MISCELLANEOUS

         SECTION 8.01 EXPENSES.

         (a) Whether or not the Merger is  consummated,  all costs and  expenses
incurred in connection with this Agreement and the transactions  contemplated by
this Agreement  shall be paid by the party  incurring  such expenses,  except as
this Agreement otherwise expressly provides.

         (b) In the event of a willful breach of any  representation,  warranty,
covenant or agreement  contained in this  Agreement,  the breaching  party shall
remain  liable  for any and all  damages,  costs  and  expenses,  including  all
reasonable  attorneys' fees, sustained or incurred by the non-breaching party as
a result  thereof or in  connection  therewith  or with the  enforcement  of its
rights hereunder.

         SECTION  8.02  NON-SURVIVAL  OF  REPRESENTATIONS  AND  WARRANTIES.  All
representations,  warranties  and,  except to the extent  specifically  provided
otherwise herein, agreements and covenants, other than those covenants set forth
in Article  II, and  Section  5.02(d),  the last  sentence  of Section  5.02(d),
Sections  5.05, and 5.13(b),  (e) and (f), which will survive the Merger,  shall
terminate on the Closing Date.

         SECTION 8.03  AMENDMENT,  EXTENSION  AND WAIVER.  Subject to applicable
law, at any time prior to the consummation of the  transactions  contemplated by
this Agreement,  the parties may (a) amend this  Agreement,  (b) extend the time
for the  performance  of any of the  obligations  or other acts of either  party
hereto,  (c)  waive  any  inaccuracies  in the  representations  and  warranties
contained  herein or in any document  delivered  pursuant  hereto,  or (d) waive
compliance with any of the agreements or conditions  contained in Articles V and
VI  hereof  or  otherwise.  This  Agreement  may  not be  amended  except  by an
instrument  in writing  authorized  by the  respective  Boards of Directors  and
signed,  by duly  authorized  officers,  on behalf of the  parties  hereto.  Any

                                       44
<PAGE>


agreement  on the part of a party  hereto to any  extension  or waiver  shall be
valid only if set forth in an instrument in writing signed by a duly  authorized
officer on behalf of such party,  but such waiver or failure to insist on strict
compliance  with such  obligation,  covenant,  agreement or condition  shall not
operate as a waiver of, or estoppel  with  respect to, any  subsequent  or other
failure.

         SECTION 8.04 ENTIRE AGREEMENT. This Agreement,  including the documents
and other writings referred to herein or delivered pursuant hereto, contains the
entire  agreement and  understanding  of the parties with respect to its subject
matter.  This Agreement  supersedes all prior  arrangements  and  understandings
between the parties,  both  written or oral with respect to its subject  matter.
This  Agreement  shall inure to the  benefit of and be binding  upon the parties
hereto and their respective successors;  provided, however, that nothing in this
Agreement,  expressed  or implied,  is intended to confer upon any party,  other
than the parties hereto and their respective successors,  any rights,  remedies,
obligations or liabilities  other than pursuant to Sections 2.02, 2.03, 2.04 and
5.05.

         SECTION 8.05 NO ASSIGNMENT.  Neither party hereto may assign any of its
rights or obligations  hereunder to any other person,  without the prior written
consent of the other party hereto.

         SECTION 8.06 NOTICES.  All  notices or other  communications  hereunder
shall be in writing and shall be deemed given if delivered personally, mailed by
prepaid  registered or certified  mail (return  receipt  requested),  or sent by
telecopy, addressed as follows:





         (a)  If to Niagara Bancorp, Inc. to:

                       Niagara Bancorp
                       6950 South Transit Road, P.O. Box 514
                       Lockport, New York 14095-0514
                       Attention:       William E. Swan
                                        President and Chief Executive Officer

              with a copy to:           Luse Lehman Gorman Pomerenk & Schick, PC
                                        5335 Wisconsin Avenue, NW
                                        Washington, D.C. 20015
                                        Attention:   John J. Gorman, Esq.
                                                     Eric Luse, Esq.

                                       45
<PAGE>




         (b)  If to CNYF, to:

                       CNY Financial Corporation
                       One North Main Street
                       Cortland, New York 13405
                       Attn:            Harvey Kaufman
                                        Chairman of the Board

              with a copy to:           Jay Hack, Esq.
                                        Serchuk & Zelermyer, LLP
                                        81 Main Street
                                        White Plains, New York 10601
                                        Telecopy: 914-761-2299

         SECTION 8.07 CAPTIONS. The captions contained in this Agreement are for
reference purposes only and are not part of this Agreement.

         SECTION 8.08 COUNTERPARTS. This Agreement may be executed in any number
of  counterparts,  and each such  counterpart  shall be deemed to be an original
instrument,  but  all  such  counterparts  together  shall  constitute  but  one
agreement.

         SECTION 8.09 SEVERABILITY.  If any  provision of this  Agreement or the
application   thereof  to  any  person  or  circumstance  shall  be  invalid  or
unenforceable to any extent, the remainder of this Agreement and the application
of such  provisions  to other  persons or  circumstances  shall not be  affected
thereby and shall be enforced to the greatest extent permitted by law.

         SECTION 8.10 SPECIFIC  PERFORMANCE.   The  parties  hereto  agree  that
irreparable  damage would occur in the event that any of the  provisions of this
Agreement  were not performed in accordance  with their  specific  terms or were
otherwise breached.  It is accordingly agreed that the parties shall be entitled
to an injunction or  injunctions  to prevent  breaches of this  Agreement and to
enforce  specifically the terms and provisions hereof, this being in addition to
any other remedy to which they are entitled at law or in equity.

         SECTION 8.11 GOVERNING  LAW.  This  Agreement  shall be governed by and
construed in accordance  with the domestic  internal law  (including  the law of
conflicts of law) of the State of Delaware.

                                       46
<PAGE>


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


                                  NIAGARA BANCORP, INC.

                                  By:  /s/ WILLIAM E. SWAN
                                       -----------------------------------------
                                           William E. Swan
                                           President and Chief Executive Officer



                                  NIAGARA MERGER CORP

                                  By:  /s/ WILLIAM E. SWAN
                                       -----------------------------------------
                                           William E. Swan
                                           President and Chief Executive Officer


                                  CNY FINANCIAL CORPORATION

                                  By:  /s/ HARVEY KAUFMAN
                                       -----------------------------------------
                                           Harvey Kaufman
                                           Chairman of the Board

                                       47
<PAGE>


                                                                       EXHIBIT A

                             STOCK OPTION AGREEMENT

         STOCK OPTION AGREEMENT,  dated December 28, 1999, between CNY Financial
Corporation.,  a Delaward  corporation  ("Issuer") and Niagara Bancorp,  Inc., a
Delaware  corporation   ("Grantee").   Capitalized  terms  used  herein  without
definition have the meanings  specified in the Merger  Agreement (as hereinafter
defined).

                              W I T N E S S E T H:

         WHEREAS,  Grantee and Issuer have entered into an Agreement and Plan of
Merger dated  December 28, 1999 (the "Merger  Agreement"),  which  agreement has
been executed by the parties hereto prior to this Agreement; and

         WHEREAS, as a condition to Grantee's entering into the Merger Agreement
and in consideration therefor, 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,  the
parties hereto agree as follows:

         1. (a) Issuer  hereby grants to Grantee an  unconditional,  irrevocable
option (the  "Option") to purchase,  subject to the terms hereof,  up to 919,814
fully paid and  nonassessable  shares of its common  stock,  par value $0.01 per
share ("Common Stock"),  at a price of $16.75 per share (such price, as adjusted
if applicable, the "Option Price"); provided,  however, that in the event Issuer
issues or agrees to issue any shares of Common  Stock  (other than as  permitted
under the Merger  Agreement) at a price less than $16.75 per share,  such Option
Price shall be equal to such lesser price.  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), the number of shares of Common Stock subject to the
Option shall be increased so that, after such issuance,  it equals 19.99% of the
number of shares of Common  Stock then  issued and  outstanding  without  giving
effect to any 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 or Grantee to breach any provision of the Merger Agreement.

         2. (a) The holder or holders  of the Option  (including  Grantee or any
subsequent  transferee(s))  (the "Holder") may exercise the Option,  in whole or
part, if, but only if, both an Initial Triggering Event (as hereinafter defined)
and a Subsequent  Triggering Event (as hereinafter  defined) shall have occurred
prior  to the  occurrence  of an  Exercise  Termination  Event  (as  hereinafter
defined),  provided  that the Holder shall have sent the written  notice of such
exercise  (as  provided  in  subsection  (e) of this  Section 2) within 180 days
following  the first such  Subsequent  Triggering  Event.  Each of the following
shall be an  Exercise  Termination  Event:  (i) the  Merger  Effective  Date (as

<PAGE>


defined in the Merger  Agreement);  (ii)  termination of the Merger Agreement in
accordance with the provisions  thereof if such termination  occurs prior to the
occurrence  of an Initial  Triggering  Event;  or (iii) the  passage of eighteen
months after termination of the Merger Agreement if such termination  follows or
occurs at the same time as the occurrence of an Initial Triggering Event.

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

             (i)  Issuer   participates   (or   authorizes   participation   in)
         negotiations regarding a Superior Proposal, as contemplated in Sections
         5.06 and 7.01(c) of the Merger Agreement.

             (ii)   Issuer  or  any  of  its   Subsidiaries   (each  an  "Issuer
         Subsidiary"),  without having received Grantee's prior written consent,
         shall  have  entered  into an  agreement  to engage  in an  Acquisition
         Transaction (as hereinafter defined) 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,
         and the rules and  regulations  thereunder (the "1934 Act")) other than
         Grantee or any of its Subsidiaries (each a "Grantee  Subsidiary").  For
         purposes of this Agreement,  "Acquisition Transaction" shall mean (x) a
         merger or consolidation,  or any similar transaction,  involving Issuer
         or any  SIGNIFICANT  Subsidiary  (as defined in Rule 1-02 of Regulation
         S-X promulgated by the SEC) of Issuer,  (y) a purchase,  lease or other
         acquisition of all or substantially  all of the assets of Issuer or any
         Significant   Subsidiary  of  Issuer,   or  (z)  a  purchase  or  other
         acquisition (including by way of merger, consolidation,  share exchange
         or otherwise) of beneficial ownership of securities representing 15% or
         more of the voting  power of Issuer or any  Significant  Subsidiary  of
         Issuer,  provided  that the  term  "Acquisition  Transaction"  does not
         include any  internal  merger or  consolidation  involving  only Issuer
         and/or Issuer Subsidiaries;

             (iii) (A) Any person other than Grantee, or any Grantee Subsidiary,
         or any Issuer Subsidiary acting in a fiduciary capacity  (collectively,
         "Excluded  Persons"),  alone or together with such person's  affiliates
         and  associates (as such terms are defined in Rule 12b-2 under the 1934
         Act) shall have acquired  beneficial  ownership or the right to acquire
         beneficial ownership of 15% or more of the outstanding shares of Common
         Stock (the term  "beneficial  ownership"  for  purposes  of this Option
         Agreement  having the meaning  assigned thereto in Section 13(d) of the
         1934 Act, and the rules and  regulations  thereunder)  or (B) any group
         (as such term is defined in Section  13(d)(3)  of the 1934 Act),  other
         than a group of which only  Excluded  Persons are  members,  shall have
         been formed that  beneficially  owns15% or more of the shares of Common
         Stock then outstanding;

             (iv) The  Board  of  Directors  of  Issuer  shall  have  failed  to
         recommend to its  stockholders  the adoption of the Merger Agreement or
         shall have  withdrawn,  modified  or changed  its  recommendation  in a
         manner adverse to Grantee;

                                       2
<PAGE>


             (v)  After a  proposal  is made by a  third  party  (other  than an
         Excluded  Person)  to Issuer to engage in an  Acquisition  Transaction:
         Issuer   shall  have   intentionally   and   knowingly   breached   any
         representation, warranty, covenant or agreement contained in the Merger
         Agreement  and such breach (x) would  entitle  Grantee to terminate the
         Merger Agreement pursuant to Section 7.01(b)(i) therein (without regard
         to any grace  period  provided for therein) and (y) shall not have been
         cured  prior  to the  Notice  Date  (as  defined  below);  or the  CNYF
         stockholders shall fail to approve the Merger Agreement.

             (vi) Any person other than Grantee or any Grantee Subsidiary, other
         than in connection  with a  transaction  to which Grantee has given its
         prior written  consent,  shall have filed an application or notice with
         any   federal  or  state   bank   regulatory   authority   ("Regulatory
         Authority"), for approval to engage in an Acquisition Transaction.

         (c) The term  "Subsequent  Triggering  Event"  shall mean either of the
following events or transactions occurring after the date hereof:

             (i) The  acquisition by any person other than an Excluded Person of
         beneficial  ownership  of 25% or more of the  then  outstanding  Common
         Stock; or

             (ii) The occurrence of the Initial  Triggering  Event  described in
         subparagraph (ii) of subsection (b) of this Section 2.

         (d) Issuer shall notify  Grantee  promptly in writing of the occurrence
of any Initial  Triggering Event or Subsequent  Triggering  Event  (together,  a
"Triggering  Event"),  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 the Holder is entitled  to and wishes to exercise  the
Option,  it shall send to Issuer a written  notice  (the date of which is 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  Date");  provided that if prior
notification  to  or  approval  of  any  Regulatory  Authority  is  required  in
connection  with such  purchase,  the Holder  shall  promptly  file the required
notice or application for approval 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 approvals 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 each closing  referred to in  subsection  (e) of this Section 2,
the Holder shall pay to 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,

                                       3
<PAGE>


provided  that  failure or refusal of Issuer to  designate  such a bank  account
shall not preclude the Holder from exercising the Option.

         (g) At such 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  should be
exercised in part only, a new Option evidencing the rights of the Holder thereof
to purchase the balance of the shares purchasable hereunder.

         (h) 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 United States federal,  state and local taxes
and other charges that may be payable in connection with the preparation,  issue
and  delivery  of stock  certificates  under  this  Section 2 in the name of the
Holder or its assignee, transferee or designee.

         3. 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  or  performance  of  any  of  the  covenants,
stipulations  or  conditions  to be observed or  performed  hereunder by Issuer;
(iii)  promptly  to take  all  action  as may  from  time  to  time be  required
(including (x) complying with all premerger notification,  reporting and waiting
period  requirements   specified  in  15  U.S.C.  Section  18a  and  regulations
promulgated  thereunder  and (y) in the event,  under the Change in Bank Control
Act of 1978, as amended,  or any state banking law,  prior approval of or notice
to to any 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 any 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 herein to protect the rights of the Holder
against dilution.

         4. 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 Stock  Option
Agreements and related  Options for which this Agreement (and the Option granted

                                       4
<PAGE>


hereby)  may be  exchanged.  Upon  receipt  by  Issuer  of  evidence  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. Any such new Agreement  executed and delivered shall  constitute
an additional  contractual  obligation on the part of Issuer, whether or not the
Agreement  so  lost,  stolen,  destroyed  or  mutilated  shall  at any  time  be
enforceable by anyone.

         5. 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,  in the event of any change in Common  Stock by reason of stock
dividends, split-ups, mergers,  recapitalizations,  combinations,  subdivisions,
conversions,  exchanges  of  shares,  distributions,  or the like,  the type and
number,  and/or the price, of shares of Common Stock  purchasable  upon exercise
hereof shall be  appropriately  adjusted,  and proper provision shall be made in
the agreements governing such transaction so that the Holder shall receive, upon
exercise of the Option (at the aggregate exercise price calculated in accordance
with  Section  1 of this  Agreement),  the  number  and class of shares or other
securities  or property that Holder would have received in respect of the Common
Stock if the Option had been exercised  immediately  prior to such event, or the
record date therefor, as applicable.

         6. (a) In the event that prior to an Exercise Termination Event, Issuer
shall enter into an agreement (i) to consolidate  with or merge into any person,
other than Grantee or one of its  Subsidiaries,  and shall not be the continuing
or surviving  corporation of such  consolidation  or merger,  (ii) to permit any
person, other than Grantee or one of its Subsidiaries,  to merge into Issuer and
Issuer shall be the continuing or surviving corporation, but, in connection with
such merger,  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 represent less than 50% of the outstanding  shares and share  equivalents
of  the  merged  company,  or  (iii)  to  sell  or  otherwise  transfer  all  or
substantially all of its assets to any person,  other than Grantee or one of its
Subsidiaries,  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.

         (b) The following terms have the meanings indicated:

             (1)  "Acquiring  Corporation"  shall  mean  (i) the  continuing  or
         surviving  corporation  of a  consolidation  or merger  with Issuer (if
         other  than  Issuer),  (ii)  Issuer in a merger in which  Issuer is the
         continuing  or surviving  person,  and (iii) the  transferee  of all or
         substantially all of Issuer's assets.

             (2)  "Substitute  Common  Stock"  shall  mean the shares of capital
         stock (or similar equity interest) with the greatest voting power with

                                       5
<PAGE>


         respect  of the  election  of  directors  (or other  persons  similarly
         responsible for direction of the business and affairs) of the issuer of
         the Substitute Option.

             (3)  "Assigned  Value"  shall mean the highest of (i) the price per
         share  of  Common  Stock at which a  tender  offer  or  exchange  offer
         therefor has been made,  (ii) the price per share of Common Stock to be
         paid by any third party pursuant to an agreement with Issuer,  or (iii)
         in the event of a sale of all or substantially  all of Issuer's assets,
         the sum of the price paid in such sale for such  assets and the current
         market  value of the  remaining  assets of Issuer  as  determined  by a
         nationally  recognized  investment banking firm selected by the Holder,
         divided by the number of shares of Common  Stock of Issuer  outstanding
         at the time of such sale. 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.

             (4) "Average Price" shall mean the average closing price of a share
         of the Substitute Common Stock for the six months immediately preceding
         the consolidation,  merger or sale in question,  but in no event higher
         than the closing price of the shares of Substitute  Common Stock on the
         day  preceding  such  consolidation,  merger or sale;  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 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 and conditions as
the Option,  provided,  that if any term or condition of the  Substitute  Option
cannot,  for legal  reasons,  be the same as the Option,  such term or condition
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, which 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 (i) the  product  of (A) the
Assigned Value and (B) the number of shares of Common Stock for which the Option
is then  exercisable,  divided by (ii) 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 is then  exercisable  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% of the shares of Substitute
Common Stock outstanding prior to exercise of the Substitute Option.

                                       6
<PAGE>


         (f) Issuer shall not enter into any transaction described in subsection
(a) of this  Section 7 unless the  Acquiring  Corporation  and any  person  that
controls the  Acquiring  Corporation  assume in writing all the  obligations  of
Issuer hereunder.

         7. The 180-day  period for exercise of certain  rights under  Section 2
shall  be  extended:  (i) to the  extent  necessary  to  obtain  all  regulatory
approvals  for the  exercise  of such  rights,  and  for the  expiration  of all
statutory  waiting periods;  and (ii) to the extent necessary to avoid liability
under Section 16(b) of the 1934 Act by reason of such exercise.

         8. Repurchase at the Option of Holder.  (a) At the request of Holder at
any time commencing upon the first  occurrence of a Repurchase Event (as defined
in  Section  8(d)) and ending 12 months  immediately  thereafter,  Issuer  shall
repurchase from Holder (i) the Option and (ii) all shares of Issuer Common Stock
purchased  by Holder  pursuant  hereto  with  respect to which  Holder  then has
beneficial  ownership.  The date on which Holder exercises its rights under this
Section 8 is referred to as the "Request Date".  Such repurchase  shall be at an
aggregate price (the "Section 8 Repurchase Consideration") equal to the sum of:

            (i) the  aggregate  Option  Price  paid by Holder  for any shares of
Issuer Common Stock acquired pursuant to the Option with respect to which Holder
then has beneficial ownership;

            (ii) the  excess,  if any, of (x) the  Applicable  Price (as defined
below) for each share of Common  Stock over (y) the  Option  Price  (subject  to
adjustment  pursuant to Sections 1 and 5), multiplied by the number of shares of
Common Stock with respect to which the Option has not been exercised; and

            (iii) the excess,  if any, of the  Applicable  Price over the Option
Price (subject to adjustment pursuant to Sections 1 and 5) paid (or, in the case
of Option  Shares with  respect to which the Option has been  exercised  but the
Closing Date has not occurred, payable) by Holder for each share of Common Stock
with  respect to which the Option has been  exercised  and with respect to which
Holder then has beneficial ownership, multiplied by the number of such shares.

            (b) If Holder  exercises  its rights  under this  Section 8,  Issuer
shall,  within 10  business  days  after the  Request  Date,  pay the  Section 8
Repurchase   Consideration  to  Holder  in  immediately   available  funds,  and
contemporaneously with such payment, Holder shall surrender to Issuer the Option
and the certificates  evidencing the shares of Common Stock purchased thereunder
with respect to which  Holder then has  beneficial  ownership,  and Holder shall
warrant that it has sole record and beneficial ownership of such shares and that
the same are then free and clear of all liens. Notwithstanding the foregoing, to
the extent  that  prior  notification  to or  approval  of any  federal or state
regulatory  authority is required in  connection  with the payment of all or any
portion of the Section 8 Repurchase Consideration, Holder shall have the ongoing
option to revoke its request for  repurchase  pursuant to Section 8, in whole or
in part, or to require that Issuer deliver from time to time that portion of the
Section 8 Repurchase Consideration that it is not then so prohibited from paying
and  promptly  file  the  required   notice  or  application  for  approval  and

                                       7
<PAGE>


expeditiously process the same (and each party shall cooperate with the other in
the  filing of any such  notice or  application  and the  obtaining  of any such
approval).  If any federal or state regulatory authority disapproves of any part
of  Issuer's  proposed  repurchase  pursuant  to this  Section 8,  Issuer  shall
promptly give notice of such fact to Holder.  If any federal or state regulatory
authority  prohibits the repurchase in part but not in whole,  then Holder shall
have the  right (i) to  revoke  the  repurchase  request  or (ii) to the  extent
permitted by such regulatory authority,  determine whether the repurchase should
apply to the Option and/or Option Shares and to what extent to each,  and Holder
shall thereupon have the right to exercise the Option as to the number of Option
Shares for which the Option was  exercisable at the Request Date less the sum of
the number of shares  covered by the Option in respect of which payment has been
made  pursuant  to  Section  8(a)(ii)  and the  number of shares  covered by the
portion of the Option (if any) that has been  repurchased.  Holder  shall notify
Issuer  of its  determination  under  the  preceding  sentence  within  five (5)
business days of receipt of notice of disapproval of the repurchase.

         Notwithstanding anything herein to the contrary, all of Holder's rights
under this Section 8 shall  terminate on the date of  termination of this Option
pursuant to Section 2(a).

            (c) For purposes of this Agreement, the "Applicable Price" means the
highest  of (i) the  highest  price per share of Common  Stock paid for any such
share by the person or groups described in Section  8(d)(i),  (ii) the price per
share of Common Stock received by holders of Common Stock in connection with any
merger or other business combination  transaction  described in Section 6(a)(i),
6(a)(ii)  or  6(a)(iii),  or (iii) the  highest  closing  bid price per share of
Issuer  Common Stock quoted on the Nasdaq  System (or if Issuer  Common Stock is
not quoted on the Nasdaq  System,  the  highest bid price per share as quoted on
the principal  trading  market or  securities  exchange on which such shares are
traded as  reported  by a  recognized  source  chosen by  Holder)  during the 40
business days preceding the Request Date; provided,  however,  that in the event
of a sale of less than all of Issuer's assets, the Applicable Price shall be the
sum of the price paid in such sale for such assets and the current  market value
of the  remaining  assets of Issuer as  determined  by a  nationally  recognized
investment  banking firm selected by Holder,  divided by the number of shares of
Common Stock  outstanding at the time of such sale. If the  consideration  to be
offered,  paid or received  pursuant to either of the  foregoing  clauses (i) or
(ii)  shall be other  than in cash,  the  value of such  consideration  shall be
determined  in good faith by an  independent  nationally  recognized  investment
banking  firm  selected by Holder and  reasonably  acceptable  to Issuer,  which
determination shall be conclusive for all purposes of this Agreement.

            (d) As used herein,  "Repurchase  Event" shall occur if, prior to an
Exercise Termination Event, (i) any person (other than Grantee or any subsidiary
of Grantee) shall have acquired beneficial ownership of (as such term is defined
in Rule  13d-3  promulgated  under the  Exchange  Act),  or the right to acquire
beneficial  ownership  of, or any  "group"  (as such term is  defined  under the
Exchange Act) shall have been formed which beneficially owns or has the right to
acquire  beneficial  ownership of, 25% or more of the then outstanding shares of
Issuer  Common  Stock,  or (ii) any of the  transactions  described  in  Section
6(a)(i), 6(a)(ii) or 6(a)(iii) shall be consummated.

                                       8
<PAGE>


         9.  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
Board of Directors of Issuer 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.  This  Agreement  is the valid and  legally  binding
obligation of 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  hereto,  will  be  duly  authorized,   validly  issued,   fully  paid,
nonassessable,  and will be  delivered  free and  clear  of all  claims,  liens,
encumbrance and security interests and not subject to any preemptive rights.

         (c) Issuer has taken all necessary action to exempt this Agreement, and
the  transactions  contemplated  hereby and thereby from, and this Agreement and
the  transactions  contemplated  hereby and  thereby  are exempt  from,  (i) any
applicable  state takeover laws, (ii) any state laws limiting or restricting the
voting  rights of  stockholders  and (iii)  any  provision  in its or any of its
subsidiaries' articles of incorporation,  certificate of incorporation,  charter
or bylaws  restricting  or  limiting  stock  ownership  or the voting  rights of
stockholders.

         (d) The execution,  delivery and performance of this Agreement does not
or  will  not,  and  the  consummation  by  Issuer  of any  of the  transactions
contemplated  hereby will not, constitute or result in (i) a breach or violation
of, or a default under,  its  certificate  of  incorporation  or bylaws,  or the
comparable governing instruments of any of its subsidiaries, or (ii) a breach or
violation  of,  or a  default  under,  any  agreement,  lease,  contract,  note,
mortgage,  indenture,  arrangement  or  other  obligation  of it or  any  of its
subsidiaries  (with or without the giving of notice,  the lapse of time or both)
or under any law,  rule,  ordinance or  regulation or judgment,  decree,  order,
award or governmental or nongovernmental permit or license to which it or any of
its subsidiaries is subject,  that would, in any case referred to in this clause
(ii),  give  any  other  person  the  ability  to  prevent  or  enjoin  Issuer's
performance under this Agreement in any material respect.

         10. Grantee hereby represents and warrants to Issuer that:

         (a) Grantee has full  corporate  power and authority to enter into this
Agreement  and,  subject to any  approvals  or consents  referred to herein,  to
consummate the transactions  contemplated  hereby. The execution and delivery of

                                       9
<PAGE>


this Agreement and the consummation of the transactions contemplated hereby have
been duly authorized by all necessary  corporate  action on the part of Grantee.
This Agreement has been duly executed and delivered by Grantee.

         (b) This  Option  is not  being  acquired  with a  view  to the  public
distribution  thereof  and  neither  this  Option nor any Option  Shares will be
transferred  or  otherwise  disposed of except in a  transaction  registered  or
exempt from registration  under applicable federal and state securities laws and
regulations.

         11. Neither  of the  parties  hereto  may  assign  any of its rights or
obligations  under this Option Agreement or the Option created  hereunder to any
other person, without the express written consent of the other party, except (i)
to any wholly-owned Subsidiary or (ii) that in the event a Subsequent 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 to one or more transferees.

         12. Each of Grantee  and Issuer  will use its best  efforts to make all
filings  with,  and to obtain  consents of all third  parties  and  governmental
authorities  necessary to the consummation of the  transactions  contemplated by
this Agreement.

         13. Notwithstanding  anything to the contrary herein, in the event that
the Holder or any Related Person thereof is a person making an offer or proposal
to  engage  in  an  Acquisition   Transaction   (other  than  the   transactions
contemplated  by the  Merger  Agreement),  then in the case of a  Holder  or any
Related Person thereof, the Option held by it shall immediately terminate and be
of no further force or effect.  A Related Person of a Holder means any Affiliate
(as  defined in Rule 12b-2 of the rules and  regulations  under the 1934 Act) of
the  Holder and any person  that is the  beneficial  owner of 20% or more of the
voting power of the Holder.

         14. 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 hereto
through injunctive or other equitable relief.

         15. 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 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  such  lesser  number  of  shares  as may be  permissible,  without  any
amendment or modification hereof.

         16. All notices,  requests,  claims,  demands and other  communications
hereunder  shall be deemed to have been duly given when delivered in person,  by
cable, telegram,  telecopy or telex, or by registered or certified mail (postage

                                       10
<PAGE>


prepaid,  return receipt  requested) at the respective  addresses of the parties
set forth in the Merger Agreement.

         17. This  Agreement  shall be governed by and  construed in  accordance
with the laws of the  State  of  Delaware,  regardless  of the laws  that  might
otherwise govern under applicable principles of conflicts of laws thereof.

         18. 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. 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.  Notwithstanding  anything to the contrary  contained  herein or in the
Merger Agreement,  in the event a Subsequent  Triggering Event shall occur prior
to an Exercise  Termination  Event,  Issuer shall pay to Grantee upon demand the
amount of the expenses incurred by Grantee in connection with this Agreement and
the Merger Agreement and the transactions contemplated hereby and thereby.

         20. 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  hereunder and  supersedes  all prior
arrangements or understandings with 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  assigns.
Nothing in this Agreement,  expressed or implied, is intended to confer upon any
party,  other than the parties hereto,  and their respective  successors and, as
permitted herein,  assignees, any rights,  remedies,  obligations or liabilities
under or by reason of this Agreement, except as expressly provided herein.

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

                                       11
<PAGE>


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



                                      CNY FINANCIAL CORPORATION.



                                      BY:
                                           -------------------------------------
                                           Harvey Kaufman
                                           Chairman of the Board



                                      NIAGARA BANCORP, INC.



                                      BY:
                                           -------------------------------------
                                           William E. Swan
                                           President and Chief Executive Officer

                                       12
<PAGE>


                                                                       EXHIBIT B


                                            December ___, 1999

Niagara Bancorp, Inc.
6950 South Transit Road
P.O. Box 514
Lockport, New York 14095-0514

Ladies and Gentlemen:

         Niagara  Bancorp,  Inc.  ("Niagara  Bancorp"),   Niagara  Bancorp  Corp
("Merger  Corp"),  and CNY Financial  Corporation  ("CNYF") have entered into an
Agreement  and Plan of  Merger  dated  as of  December  28,  1999  (the  "Merger
Agreement"),  pursuant to which,  subject to the terms and  conditions set forth
therein,  (a) CNYF will merge with and into Merger Corp with CNYF  surviving the
merger, to be followed by the merger of CNYF with and into Niagara Bancorp, with
Niagara Bancorp surviving the merger (collectively referred to as the "Merger");
and (b)  shareholders  of CNYF will receive  $18.75 in cash in exchange for each
share of common stock of CNYF outstanding on the closing date.

         Niagara  Bancorp has  requested,  as a condition to its  execution  and
delivery to CNYF of the Merger Agreement, that the undersigned,  being directors
and  executive  officers of CNYF,  execute and deliver to Niagara  Bancorp  this
Letter Agreement.

         Each of the undersigned,  in order to induce Niagara Bancorp to execute
and deliver to CNYF the Merger  Agreement,  and  intending to be legally  bound,
hereby irrevocably:

         (a) Agrees to be present  (in  person or by proxy) at all  meetings  of
shareholders  of CNYF  called  to vote for  approval  of the  Merger so that all
shares of common  stock of CNYF over  which the  undersigned  or a member of the
undersigned's  immediate  family  now has sole or shared  voting  power  will be
counted for the purpose of determining the presence of a quorum at such meetings
and to vote all such shares (i) in favor of approval  and adoption of the Merger
Agreement and the transactions contemplated thereby (including any amendments or
modifications  of the terms thereof approved by the Board of Directors of CNYF),
and (ii) against approval or adoption of any other merger, business combination,
recapitalization, partial liquidation or similar transaction involving CNYF;

         (b) Agrees not to vote or  execute  any  written  consent to rescind or
amend in any manner any prior vote or written consent, as a shareholder of CNYF,
to approve or adopt the Merger Agreement;

         (c) Agrees not to sell,  transfer  or  otherwise  dispose of any common
stock of CNYF on or prior to the date of the  meeting  of CNYF  shareholders  to
vote on the Merger  Agreement,  except for transfers to a lineal descendant or a

<PAGE>


spouse of the  undersigned,  or to a trust for the benefit of one or more of the
foregoing  persons,  providing that the transferee agrees in writing to be bound
by the terms of this letter agreement; and

         (d) Represents that the undersigned has the capacity to enter into this
Letter  Agreement  and that it is a valid  and  binding  obligation  enforceable
against the  undersigned  in accordance  with its terms,  subject to bankruptcy,
insolvency  and other laws  affecting  creditors'  rights and general  equitable
principles.

         The obligations set forth herein shall terminate  concurrently with any
termination of the Merger Agreement.

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


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

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

         The undersigned intend to be legally bound hereby.


                                   Sincerely,



                                   Name


                                   Title

<PAGE>


                                   EXHIBIT 6.1

[MATTERS TO BE COVERED IN OPINION OF COUNSEL TO BE DELIVERED TO CNYF PURSUANT TO
SECTION 6.01(G) OF THE AGREEMENT]

         (a) Each of Niagara Bancorp and Niagara Merger Corp ("Merger Corp"), is
incorporated,  validly existing and in good standing under the laws of the State
of Delaware,  and has the  corporate  power and authority to own or lease all of
its  properties  and  assets  and to carry on its  business  as it is now  being
conducted.  All eligible  accounts of  depositors in Lockport are insured by the
BIF administered by the FDIC to the fullest extent permitted by law.

         (b) Each of Niagara Bancorp and Merger Corp has the corporate power and
authority  to adopt or execute  and deliver  the  Agreement  and the Bank Merger
Agreement  included as Exhibit A thereto,  as the case may be, and to consummate
the  corporate  transactions   contemplated  thereby  and  to  carry  out  their
respective obligations thereunder, as applicable.  The adoption or execution and
delivery of the Agreement and the Stock Option  Agreement  included as Exhibit A
thereto  and the  consummation  of the  transactions  contemplated  thereby,  as
applicable,  have been duly  authorized  by the board of  directors  of  Niagara
Bancorp and Merger Corp, as the case may be, and no other corporate  proceedings
on the part of such  entities are necessary to consummate  the  transactions  so
contemplated.  The Agreement has been duly and validly executed and delivered by
Niagara  Bancorp and Merger Corp, and in each case such  instruments  constitute
valid and  legally  binding  obligations  of Niagara  Bancorp  and Merger  Corp,
enforceable  in  accordance  with  their  terms,  except  as may be  limited  by
bankruptcy,  insolvency,  reorganization,   moratorium  or  other  similar  laws
affecting  creditors'  rights  generally,  and except that the  availability  of
equitable remedies  (including,  without  limitation,  specific  performance) is
within the discretion of the appropriate court.

         (c) None of the adoption or execution and delivery of the Agreement and
the Stock Option Agreement  included as Exhibit A thereto by Niagara Bancorp and
Merger  Corp,  or  the   consummation  by  such  entities  of  the  transactions
contemplated  thereby in accordance with their respective  terms, as applicable,
nor  compliance  by  such  entities  with  any of  their  respective  terms,  as
applicable,  will (i) violate any  provision  of their  respective  Organization
Certificate,  organization certificate or other chartering instrument or bylaws,
nor (ii) violate any federal or New York State banking  statute,  code,  rule or
regulation  or, to the knowledge of such counsel,  any  judgment,  order,  writ,
decree  or  injunction  applicable  to  any of  such  entities  or any of  their
respective  properties  or assets,  except,  with respect to clauses (ii) above,
such as individually or in the aggregate will not have a material adverse effect
on the business,  operations,  assets or financial  condition of Niagara Bancorp
and its  subsidiaries  taken as a whole and which will not  prevent or delay the
consummation of the transactions contemplated by the Agreement.

         (d) All  regulatory or  governmental  approvals and consents  which are
necessary  to be  obtained  by Niagara  Bancorp  and  Merger  Corp to permit the

<PAGE>


execution,  delivery  and  performance  of the  Agreement  and the Stock  Option
Agreement have been obtained.

         (e) Assuming due authorization of the Merger by all necessary corporate
and  governmental  proceedings on the part of CNYF and CSB and that CNYF and CSB
have taken all action  required to be taken by them prior to the Effective Time,
upon the filing of a Certificate of Merger  pursuant to Section 251 of the DGCL,
the Merger will be validly  consummated  in  accordance  with the  Agreement and
applicable laws and regulations and each outstanding  share of Common Stock will
be converted into the right to receive a cash payment in the manner specified in
the Agreement.

         (f)  To  the  knowledge  of  such  counsel,   there  are  no  judicial,
administrative,  arbitral or other actions, suits, proceedings or investigations
pending or threatened which (i) if adversely  determined,  would have a material
adverse effect on the ability of Niagara Bancorp to consummate the  transactions
contemplated by the Agreement or (ii) seek to restrain or prohibit the Merger or
the Bank Merger or to obtain monetary damages in connection therewith.

         In rendering  their opinion,  such counsel may rely, to the extent such
counsel deems such  reliance  necessary or  appropriate,  upon  certificates  of
governmental  officials and, as to matters of fact,  certificates of any officer
or officers of Niagara  Bancorp.  The opinion of such  counsel may include  such
qualifications  and  explanations  of the  basis  thereof  as may be  reasonably
acceptable to CNYF.

<PAGE>


                                   EXHIBIT 6.2

[MATTERS TO BE COVERED IN OPINION OF COUNSEL TO BE DELIVERED TO NIAGARA  BANCORP
PURSUANT TO SECTION 6.02(J) OF THE AGREEMENT]

     1.  The formation of Niagara  Merger Corp and its merger with and into CNYF
         will  be  disregarded   for  federal  income  tax  purposes,   and  the
         transaction  will be treated as a  purchase  by Niagara  Bancorp of the
         outstanding shares of CNYF. See 90-95, 1990-2 C.B. 67; Rev. Rul. 73~27,
         1973-2 C.B.  301.  The  purchase  will be treated as a qualified  stock
         purchase within the meaning of Section 338(d)(3) of the IRC.

     2.  For federal income tax purposes,  no gain or loss will be recognized by
         Niagara Bancorp, Niagara Merger Corp or CNYF as a result of the Merger.

     3.  For federal  income tax  purposes,  the  statutory  merger of CNYF into
         Niagara  Bancorp  pursuant to  applicable  law (the  "Merger")  will be
         treated as a distribution  by CNYF in complete  liquidation  within the
         meaning  of  Section  332 of the IRC.  See  Section  1.332-2(d)  of the
         Treasury Regulations.

     4.  For federal income tax purposes,  no gain or loss will be recognized by
         Niagara Bancorp on its receipt of the assets of CNYF distributed in the
         Merger. See Section 332(a) of the IRC.

     5.  For federal income tax purposes,  no gain or loss will be recognized by
         CNYF on the  distribution  of its  assets  to  Niagara  Bancorp  in the
         Merger. See Section 337(a) of the IRC.

     6.  For federal income tax purposes, the basis of the assets of CNYF in the
         hands of Niagara  Bancorp will be the same as the basis of those assets
         in the hands of CNYF  immediately  preceding  the  Merger.  See Section
         334(b)(1) of the IRC.

     7.  The holding  period of the assets  received  by Niagara  Bancorp in the
         Merger will include the period  during which such  property was held by
         CNYF. See Section 1223(2) of the IRC.

     8.  As provided in Section  381(c)(2) of the IRC and Section  1.381(c)(2)-1
         of the Treasury  Regulations,  Niagara Bancorp will succeed to and take
         into  account the  earnings  and  profits,  or deficit in earnings  and
         profits,  of  CNYF  as of  the  date  of  the  Merger,  subject  to the
         limitations of Sections 382 and 383 of the IRC.

<PAGE>


                                  EXHIBIT 6.3

[MATTERS TO BE COVERED IN OPINION OF COUNSEL TO BE DELIVERED TO NIAGARA  BANCORP
PURSUANT TO SECTION 6.02(I) OF THE AGREEMENT]

         (a) Each of CNYF and CSB is incorporated,  validly existing and in good
standing under the laws of its jurisdiction of  incorporation.  Each such entity
has the corporate  power and authority to own or lease all of its properties and
assets  and to carry on its  business  as it is now  being  conducted.  CSB is a
member of the Federal  Home Loan Bank of New York and all  eligible  accounts of
depositors in CSB are insured by the BIF administered by the FDIC to the fullest
extent permitted by law. CNYF is duly registered as a bank holding company under
the BHCA and the regulations of the FRB thereunder.

         (b) The  authorized  capital stock of CNYF consists of shares of Common
Stock, $0.01 par value per share, and shares of preferred stock, $0.01 par value
per share ("Preferred Stock"). As of the date of this opinion, there were shares
of Common Stock issued and  outstanding and shares of Preferred Stock issued and
outstanding.  All issued and  outstanding  shares of Common Stock and  Preferred
Stock,  and all  issued  and  outstanding  shares of  capital  stock of each CSB
Subsidiary,  have been duly  authorized  and validly  issued and are fully paid,
nonassessable and free of preemptive  rights. To the best of our knowledge,  all
of the outstanding shares of CSB are owned, directly or indirectly, by CNYF free
and clear of any adverse claims,  and,  neither CNYF nor any of its subsidiaries
is a party to any subscription,  option,  warrant,  call,  commitment or similar
agreement  providing  for the  transfer,  purchase  or issuance of any shares of
capital stock of CNYF or any of its subsidiaries or any securities  representing
the right to purchase or otherwise  acquire any shares of such capital  stock or
any  securities  convertible  into or  representing  the  right to  purchase  or
otherwise acquire any such stock.

         (c) CNYF has the  corporate  power and authority to execute and deliver
the Agreement and the Stock Option Agreement  included as Exhibit A thereto,  as
applicable, and to consummate the Merger and to carry out all of its obligations
thereunder.  The  execution  and delivery of the  Agreement and the Stock Option
Agreement  included as Exhibit A thereto and the  consummation  of the Merger by
CNYF have been duly  authorized by the boards of directors and  stockholders  of
each of CNYF and CSB and no other  corporate  proceedings on the part of CNYF or
CSB are necessary to consummate the  transactions so  contemplated.  Each of the
Agreement and the Stock Option Agreement  included as Exhibit A thereto has been
duly and validly  executed  and  delivered  by CNYF,  and  constitute  valid and
legally binding  obligations of CNYF enforceable in accordance with their terms,
except as may be limited by bankruptcy,  insolvency, moratorium or other similar
laws affecting creditors' rights and except as may be limited by the exercise of
judicial discretion in applying principles of equity (regardless of whether said
Agreement or Stock Option  Agreement are considered in a proceeding in equity or
at law).

         (d)  None  of the  execution  and  delivery  of the  Agreement  and the
agreement included as Exhibit A thereto by CNYF, nor the consummation by CNYF of
the transactions contemplated thereby in accordance with their respective terms,
as applicable, nor compliance by CNYF or CSB with any of their respective terms,

<PAGE>


as applicable,  will (i) violate any provision of CNYF's or CSB's Certificate of
Incorporation,  charter  or other  chartering  instrument  or  bylaws,  nor (ii)
violate any federal statute,  code, rule or regulation,  or, to the knowledge of
such counsel,  any judgment,  order,  writ,  decree or injunction  applicable to
CNYF, CSB, or any of their respective properties or assets, except, with respect
to clauses (ii) above,  such as individually or in the aggregate will not have a
material  adverse  effect  on the  business,  operations,  assets  or  financial
condition  of CNYF and its  subsidiaries  taken as a whole  and  which  will not
prevent  or delay  the  consummation  of the  transactions  contemplated  by the
Agreement.

         (e) All  regulatory or  governmental  approvals and consents  which are
necessary  to be  obtained  by  CNYF  to  permit  the  execution,  delivery  and
performance of the Agreement and the Stock Option Agreement  included as Exhibit
A thereto have been obtained.

         (f) The  Agreement,   including   consummation   of  the   transactions
contemplated thereby, has been approved by the requisite vote of stockholders of
CNYF.

         (g) Assuming due authorization of the Merger by all necessary corporate
and governmental  proceedings on the part of parties other than CNYF and CSB and
that such other parties have taken all action required to be taken by them prior
to the Effective  Time,  upon the proper  filing of a [REGULATORY  FILINGS,] the
Merger  will be  validly  consummated  in  accordance  with  the  Agreement  and
applicable laws and regulations and each outstanding  share of Common Stock will
be converted into the right to receive a cash payment in the manner specified in
Agreement.

         (h) To  the  knowledge  of  such   counsel,   there  are  no  judicial,
administrative,  arbitral or other actions, suits, proceedings or investigations
pending or threatened,  which (i) if adversely  determined,  would result in any
material  adverse  change  in the  business,  operations,  assets  or  financial
condition of CNYF and its subsidiaries taken as a whole or (ii) seek to restrain
or prohibit the Merger or to obtain monetary damages in connection therewith.

         In rendering  their opinion,  such counsel may rely, to the extent such
counsel deems such  reliance  necessary or  appropriate,  upon  certificates  of
governmental  officials and, as to matters of fact,  certificates of any officer
or  officers  of CNYF and its  subsidiaries.  The  opinion of such  counsel  may
include such  qualifications  and  explanations  of the basis  thereof as may be
reasonably acceptable to Niagara Bancorp.



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