EXHIBIT 2.4

                               THIRD AMENDMENT TO
                          AGREEMENT AND PLAN OF MERGER

     THIS THIRD  AMENDMENT TO AGREEMENT  AND PLAN OF MERGER,  dated as of August
28, 2002 (this  "Amendment"),  is by and among (i)  Northwest  Savings  Bank,  a
Pennsylvania savings bank ("Northwest Bank"), Northwest Bancorp, Inc., a Federal
corporation  ("Northwest  Bancorp"),  Northwest  Bancorp,  MHC, a Federal mutual
holding  company  ("Northwest  MHC"),  and Leeds Federal Savings Bank, a Federal
savings  bank  ("Leeds  Savings"),  Leeds  Federal  Bankshares,  Inc., a Federal
corporation ("Leeds Bankshares"),  and Leeds Federal Bankshares,  MHC, a Federal
mutual holding company ("Leeds MHC"). Each of Northwest Bank, Northwest Bancorp,
Northwest  MHC,  Leeds  Savings,  Leeds  Bankshares  and Leeds MHC is  sometimes
individually referred to herein as a "party," and collectively as the "parties."

                                    RECITALS

     1. The parties entered into that certain Agreement and Plan of Merger dated
as  of  August  16,  2001,  as  amended  on  April  30,  2002  (as  amended  the
"Agreement").

     2. The parties are,  concurrently  with the  execution  of this  Amendment,
agreeing to extend the termination date of the Agreement to December 31, 2002 by
further amending Section 7.01(b)(ii).

     3. The Agreement sets forth a proposed transaction structure for the merger
of Leeds MHC into Northwest MHC, and Leeds Bankshares into Northwest Bancorp.

     4. The parties have agreed to restructure  the transaction set forth in the
Agreement,  whereby  immediately  prior to the MHC Merger Leeds Bankshares shall
exchange its charter for an interim stock savings  association charter and merge
into Leeds Savings.

     5. The  parties  desire  to  further  amend  the  Agreement  to make  other
conforming  changes to the  Agreement  as may be necessary  to  accomplish  such
restructuring.

     NOW THEREFORE, in consideration of the premises contained herein and in the
Agreement,  and intending to be legally bound hereby,  the parties hereto hereby
agree as follows:

     1.  Exhibits A and B of the  Agreement  shall be  deleted,  a new Exhibit A
shall be added in the Form attached  hereto  providing for the merger of Interim
with  Leeds  Savings,  and a new  Exhibit B shall be added in the form  attached
hereto providing for the Merger of Leeds MHC into Northwest MHC.

     2. Article I of the Agreement,  "Certain  Definitions," shall be amended by
adding the following definition:

          "Interim"  means  the  federal   interim  stock  savings   association
          resulting  from the exchange by Leeds  Bankshares of its federal stock
          holding  company  charter  for an interim  stock  savings  association
          charter.



     3.  Article I of the  Agreement,  "Certain  Definitions,"  shall be amended
further by deleting the existing  definitions of "Leeds  Bankshares"  and "Leeds
Bankshares Common Stock" and replacing them in their entirety with the following
definitions:

          "Leeds  Bankshares"  means Leeds Federal  Bankshares,  Inc., a Federal
          corporation  or any  successor  in  interest  thereto,  as the context
          requires.

          "Leeds  Bankshares  Common  Stock"  means  the  common  stock of Leeds
          Bankshares  described  in Section  3.02(a)  or the  common  stock of a
          successor in interest of Leeds Bankshares, as the context requires.

     4.  Article I of the  Agreement,  "Certain  Definitions,"  shall be amended
further by deleting the existing  definition of "Mid-Tier  Merger" and replacing
it in its entirety with the following definition:

          "Mid-Tier  Merger"  means the  merger of  Interim  with and into Leeds
          Savings with Leeds Savings as the surviving association.

     5.  Article II  Sections  2.01(a)  and  2.01(b) of the  Agreement  shall be
amended by  deleting  existing  Section  2.01(a)  and  Section  2.01(b) in their
entirety and adding a new Section 2.01(a) and 2.01(b), to read as follows:

          (a) The Mid-Tier  Merger.  Leeds  Bankshares will exchange its Federal
     stock holding  company  charter for an interim  stock  savings  association
     charter to become  Interim,  and  Interim  shall  merge with and into Leeds
     Savings with Leeds  Savings as the  surviving  association  pursuant to the
     merger agreement substantially in the Form of Exhibit A hereto. Thereafter,
     Leeds Savings shall be a wholly-owned  subsidiary of Leeds MHC. As a result
     of the Mid-Tier  Merger,  the separate  existence of Leeds  Bankshares  and
     Interim shall cease,  and all of the property  (real,  personal and mixed),
     rights,  powers,  duties and  obligations  of Leeds  Bankshares and Interim
     shall be  transferred  to and  assumed by Leeds  Savings  as the  surviving
     entity  in  the  Mid-Tier  Merger,  without  further  act or  deed,  all in
     accordance with the HOLA and regulations of the OTS.

          (b) The MHC Merger.  Immediately after the Mid-Tier Merger,  Leeds MHC
     shall merge with and into Northwest MHC with Northwest MHC as the surviving
     entity  pursuant  to the  merger  agreement  substantially  in the  form of
     Exhibit B hereto.  The separate existence of Leeds MHC shall cease, and all
     of the property (real,  personal and mixed),  rights, powers and duties and
     obligations  of Leeds MHC shall be  transferred to and assumed by Northwest
     MHC as the surviving entity in the MHC Merger, without further act or deed,
     all in accordance with the HOLA, and regulations of the OTS. As a result of
     the MHC Merger,  each borrower  member of Leeds MHC and holder of a deposit
     account in Leeds  Savings as of the  Merger  Effective  Date shall have the
     same rights and  privileges  in Northwest MHC as if such  borrowing  and/or
     deposit account,  respectively, had been established at Northwest Bank, and
     all  deposit  accounts  established  at Leeds  Savings  prior to the Merger
     Effective  Date shall confer on a depositor the same rights and  privileges
     in  Northwest  MHC as if such  deposit  account  had  been  established  at

                                       2


     Northwest  Bank on the date  established  at Leeds Savings and the borrower
     members of Leeds MHC identified by Leeds prior to the Merger Effective Date
     will be given  subscription  rights to the extent  permitted by  regulatory
     authorities  in any  conversion  of Northwest MHC to stock form that occurs
     prior to any merger of Leeds Savings with and into  Northwest  Bank if such
     borrowing  remains   outstanding  at  the  time  of  such   mutual-to-stock
     conversion (collectively, the "Membership Conversion").

     6. Section 2.02(a) of the Agreement  shall be amended by deleting  existing
paragraph 2.02(a)(i) in its entirety and adding a new Section 2.02(a)(i) to read
as follows:

          (i) Each issued and outstanding share of Leeds Bankshares Common Stock
     held by Leeds MHC shall be cancelled.

     7. Section  2.02(a) of the Agreement  shall be further  amended by deleting
existing  Section   2.02(a)(ii)  in  its  entirety  and  adding  a  new  Section
2.02(a)(ii) to read as follows:

          (i) Each issued and outstanding share of Leeds Bankshares Common Stock
     (except  shares held by Leeds MHC and except as otherwise  provided in this
     subsection (a) of Section 2.02) shall cease to be outstanding,  shall cease
     to exist and shall be  converted  automatically  into the right to  receive
     $32.00 in cash (the "Merger Consideration").

     8. Section  2.02(a) of the Agreement  shall be further  amended by deleting
Section 2.02(a)(iii) in its entirety.

     9.  Section  2.03(c) of the  Agreement  shall be deleted  and a new Section
2.03(c) added to read as follows:

          On or prior to the Merger Effective Date,  Leeds Bankshares  shall, or
     shall cause Leeds  Savings  Bank to,  deposit or cause to be  deposited  in
     trust with the  Exchange  Agent,  an amount of cash equal to the  Aggregate
     Merger  Consideration that Leeds Bankshares  stockholders shall be entitled
     to receive on the Merger Effective Date pursuant to Section 2.02 hereof.

     10. The  parties  acknowledge  and agree that all other  provisions  of the
Agreement  shall remain in full force and effect,  and that this Third Amendment
shall not  constitute a waiver of any of the  provisions  of the Agreement as to
any matter, whether occurring prior or subsequent to the execution of this Third
Amendment; provided, however, that if either party would be forced to breach any
covenant,  condition,  representation  or warranty of the  Agreement in order to
perform the obligations  required of such party contained in this Amendment then
this Amendment shall act as a waiver of such covenant, condition, representation
or warranty of the Agreement.

                                       3



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


                                                NORTHWEST SAVINGS BANK

                                                /s/ William J. Wagner
                                                --------------------------------
                                                By: William J. Wagner, President



                                                NORTHWEST BANCORP, INC.

                                                /s/ William J. Wagner
                                                --------------------------------
                                                By: William J. Wagner, President



                                                NORTHWEST BANCORP, MHC

                                                /s/ William J. Wagner
                                                --------------------------------
                                                By: William J. Wagner, President



                                                LEEDS FEDERAL SAVINGS BANK

                                                /s/ Gordon E. Clark
                                                --------------------------------
                                                By: Gordon E. Clark, President



                                                LEEDS FEDERAL BANKSHARES, INC.

                                                /s/ Gordon E. Clark
                                                --------------------------------
                                                By: Gordon E. Clark, President



                                                LEEDS FEDERAL BANKSHARES, MHC

                                                /s/ Gordon E. Clark
                                                --------------------------------
                                                By: Gordon E. Clark, President

                                       4


                                  EXHIBIT A

                                     FORM OF
                           AGREEMENT OF MERGER BETWEEN
                    LEEDS INTERIM FEDERAL SAVINGS ASSOCIATION
                                       AND
                           LEEDS FEDERAL SAVINGS BANK

     THIS AGREEMENT OF MERGER (this  "Mid-Tier  Merger  Agreement")  dated as of
__________  __, 2002,  is made by and between  Leeds  Federal  Bankshares,  Inc.
("Leeds Bankshares"),  Leeds Interim Federal Savings Association ("Interim"), an
interim  federal  savings  association,  and Leeds Federal  Savings Bank ("Leeds
Savings"), a federal savings bank.

                                R E C I T A L S :

     1. Northwest Savings Bank, a Pennsylvania  savings bank ("Northwest Bank"),
Northwest Bancorp, Inc., a Federal corporation ("Northwest Bancorp"),  Northwest
Bancorp,  MHC, a Federal mutual holding  company  ("Northwest  MHC"),  and Leeds
Federal  Savings Bank, a Federal savings bank ("Leeds  Savings"),  Leeds Federal
Bankshares, Inc., a Federal corporation ("Leeds Bankshares"),  and Leeds Federal
Bankshares,  MHC, a Federal mutual holding  company  ("Leeds MHC") have executed
and  delivered  the Agreement and Plan of Merger dated as of August 16, 2001 and
amended  on April  30,  2002  and  August  28,  2002 (as  amended,  the  "Merger
Agreement"),  pursuant to which:  (i) Leeds  Bankshares shall exchange its stock
holding company charter for a federal interim stock savings  association charter
to become  Interim,  and merge into Leeds  Savings  with Leeds  Savings  and the
surviving  association;   (ii)  each  issued  and  outstanding  share  of  Leeds
Bankshares Common Stock held by Leeds MHC shall be cancelled;  (iii) each issued
and outstanding  share of Leeds  Bankshares  Common Stock (except shares held by
Leeds  MHC) shall  cease to be  outstanding,  shall  cease to exist and shall be
converted  into the  right to  receive  $32.00  in  cash;  and (iv)  immediately
thereafter, Leeds MHC shall merge with and into Northwest MHC with Northwest MHC
as the resulting entity.

     2. At least  two-thirds  of the members of the boards of directors of Leeds
Bankshares,  Interim  and Leeds  Savings  have  approved  this  Mid-Tier  Merger
Agreement  and  authorized  the  execution  and delivery of the Mid-Tier  Merger
Agreement.

     NOW,  THEREFORE,  in  consideration  of the premises and mutual  agreements
contained herein, the parties hereto have agreed as follows:

     1. Merger. At and on the Mid-Tier Merger Effective Date (as defined below),
Interim  shall merge with and into Leeds  Savings (the  "Mid-Tier  Merger") with
Leeds Savings as the resulting entity.  The separate  existence of Interim shall
cease. On the Mid-Tier Merger Effective Date, each issued and outstanding  share
of Leeds Bankshares  Common Stock (except shares held by Leeds MHC), shall cease
to be  outstanding,  shall cease to exist and shall be  converted  automatically
into the right to receive $32.00 in cash, and each issued and outstanding  share
of Leeds Bankshares Common Stock held by Leeds MHC shall be cancelled.




     2. Effective  Date. The Mid-Tier  Merger  Effective Date shall be the date,
after all  regulatory  approvals  required in connection  with the  transactions
contemplated by the Merger Agreement have been received,  upon which articles of
combination  are filed with and endorsed by the Director of the Office of Thrift
Supervision.

     3.  Name.  The name of the  Resulting  Institution  shall be Leeds  Federal
Savings Bank.

     4.  Offices.  The main office of the  Resulting  Institution  shall be 1101
Maiden Choice Lane, Baltimore, Maryland 20229.

     5.  Directors  and  Officers.  The  directors and officers of Leeds Savings
immediately  prior to the Mid-Tier Merger  Effective Date shall be the directors
and officers of the Resulting  Institution  after the Mid-Tier Merger  Effective
Date.

     6. Rights and Duties of the Resulting  Institution.  At the Mid-Tier Merger
Effective Date,  Interim shall be merged with and into Leeds Savings,  and Leeds
Savings  shall be the  Resulting  Institution.  The  business  of the  Resulting
Institution  shall be that of a Federal savings bank as provided in its charter.
All assets,  rights,  interests,  privileges,  powers,  franchises  and property
(real, personal and mixed) of Leeds Bankshares,  Interim and Leeds Savings shall
be  automatically  transferred  to and vested in the  Resulting  Institution  by
virtue of such  merger  without  any deed or other  document  of  transfer.  The
Resulting  Institution,  without any order or action on the part of any court or
otherwise and without any documents of assumption or assignment,  shall hold and
enjoy all of the properties,  franchises and interests,  including appointments,
powers,  designations,  nominations  and all other  rights and  interests as the
agent or other  fiduciary  in the same  manner  and to the same  extent  as such
rights,  franchises,  and  interests  and  powers  were held or enjoyed by Leeds
Bankshares,  Interim  and Leeds  Savings.  The  Resulting  Institution  shall be
responsible for all of the  liabilities,  restrictions  and duties of every kind
and description of Leeds Bankshares, Interim and Leeds Savings immediately prior
to the Mid-Tier  Merger,  including  liabilities for all debts,  obligations and
contracts of Leeds Bankshares,  Interim and Leeds Savings, matured or unmatured,
whether accrued, absolute,  contingent or otherwise and whether or not reflected
or  reserved  against on balance  sheets,  books or accounts or records of Leeds
Bankshares,  Interim  and  Leeds  Savings.  All  rights of  creditors  and other
obligees  and all  liens on  property  of Leeds  Bankshares,  Interim  and Leeds
Savings shall be preserved and shall not be released or impaired.

     7. Other Terms.  All terms used in this Mid-Tier  Merger  Agreement  shall,
unless defined herein, have the meanings set forth in the Merger Agreement.


                                      A-2



     IN WITNESS WHEREOF, Leeds Bankshares, Interim and Leeds Savings have caused
this  Mid-Tier  Merger  Agreement  to be  executed  as of the date  first  above
written.


                                       Leeds Bankshares, Inc.
ATTEST:


                                       By:
- -------------------------------------    ---------------------------------------
Margaret Balsamo, Corporate Secretary    Gordon E. Clark, President

                                       Leeds Interim Federal Savings Association
ATTEST:


                                       By:
- -------------------------------------    ---------------------------------------
Margaret Balsamo, Corporate Secretary    Gordon E. Clark, President

                                       Leeds Federal Savings Bank
ATTEST:


                                       By:
- -------------------------------------    ---------------------------------------
Margaret Balsamo, Corporate Secretary    Gordon E. Clark, President





                                      A-3



                                    EXHIBIT B

                                     FORM OF
                           AGREEMENT OF MERGER BETWEEN
                          LEEDS FEDERAL BANKSHARES, MHC
                           AND NORTHWEST BANCORP, MHC

     THIS  AGREEMENT  OF  MERGER  (this  "MHC  Merger  Agreement")  dated  as of
___________  __, 2002,  is made by and between  Leeds  Federal  Bankshares,  MHC
("Leeds  MHC"),  a federal mutual  holding  company and Northwest  Bancorp,  MHC
("Northwest MHC"), a federal mutual holding company.

                                R E C I T A L S :

     1. Northwest Savings Bank, a Pennsylvania  savings bank ("Northwest Bank"),
Northwest Bancorp, Inc., a Federal corporation ("Northwest Bancorp"),  Northwest
Bancorp,  MHC, a Federal mutual holding  company  ("Northwest  MHC"),  and Leeds
Federal  Savings Bank, a Federal savings bank ("Leeds  Savings"),  Leeds Federal
Bankshares, Inc., a Federal corporation ("Leeds Bankshares"),  and Leeds Federal
Bankshares,  MHC, a Federal mutual holding  company  ("Leeds MHC") have executed
and delivered the Agreement and Plan of Merger,  dated as of August 16, 2001 and
amended  on April  30,  2002  and  August  28,  2002 (as  amended,  the  "Merger
Agreement"),  pursuant to which:  (i) Leeds  Bankshares shall exchange its stock
holding company charter for a federal interim stock savings  association charter
to become an interim federal stock savings association ("Interim"),  and Interim
will merge  with and into Leeds  Savings  with  Leeds  Savings as the  surviving
association;  (ii) each issued and outstanding  share of Leeds Bankshares Common
Stock held by Leeds MHC shall be  cancelled;  (iii) each issued and  outstanding
share of Leeds  Bankshares  Common Stock (except shares held by Leeds MHC) shall
cease to exist and shall be converted  into the right to receive $32.00 in cash;
and (iv) immediately  thereafter,  Leeds MHC shall merge with and into Northwest
MHC with Northwest MHC as the resulting entity;

     2. At least  two-thirds  of the members of the boards of directors of Leeds
MHC and Northwest MHC have approved this MHC Merger Agreement and authorized the
execution and delivery of this MHC Merger Agreement.

     NOW,  THEREFORE,  in  consideration  of the premises and mutual  agreements
contained herein, the parties hereto have agreed as follows:

     1.  Merger.  At and on the MHC Merger  Effective  Date (as defined  below),
Leeds MHC shall  merge  with and into  Northwest  MHC (the  "MHC  Merger")  with
Northwest MHC as the resulting  entity (the  "Resulting  Entity").  The separate
existence  of Leeds MHC and shall  cease.  As a result of the MHC  Merger,  each
borrower member of Leeds MHC and holder of a deposit account in Leeds Savings as
of the  Merger  Effective  Date shall have the same  rights  and  privileges  in
Northwest MHC as if such borrowing  and/or deposit  account,  respectively,  had
been  established  at Northwest  Bank, and all deposit  accounts  established at
Leeds Savings prior to the Merger Effective Date shall confer on a depositor the
same rights and privileges in Northwest MHC as if such deposit  account had been
established at Northwest  Bank on the date



established at Leeds Savings and the borrower members of Leeds MHC identified by
Leeds prior to the Merger  Effective Date will be given  subscription  rights to
the extent  permitted by regulatory  authorities  in any conversion of Northwest
MHC to stock form that occurs prior to any merger of Leeds Savings with and into
Northwest  Bank  if  such  borrowing  remains  outstanding  at the  time of such
mutual-to-stock conversion.

     2. Effective Date. The MHC Merger  Effective Date shall be the date,  after
all  regulatory   approvals   required  in  connection  with  the   transactions
contemplated by the Merger Agreement have been received, upon which the articles
of  combination  are filed with and  endorsed  by the  Director of the Office of
Thrift Supervision.

     3. Name. The name of the Resulting Entity shall be Northwest Bancorp, MHC.

     4. Offices.  The main office of the  Resulting  Entity shall be Liberty and
Second Streets, Warren, Pennsylvania.

     5.  Directors  and  Officers.  The  directors and officers of Northwest MHC
immediately  prior to the Effective  Date shall be the directors and officers of
the Resulting Entity after the Effective Date.

     6. Rights and Duties of the Resulting  Entity.  At the MHC Merger Effective
Date,  Leeds MHC shall be merged with and into  Northwest MHC, and Northwest MHC
shall be the Resulting  Entity.  The business of the  Resulting  Entity shall be
that of a federal mutual holding company as provided in its charter. All assets,
rights, interests,  privileges,  powers, franchises and property (real, personal
and mixed) of Leeds MHC and Northwest MHC shall be automatically  transferred to
and vested in the Resulting  Entity by virtue of such merger without any deed or
other document of transfer. The Resulting Entity, without any order or action on
the part of any court or otherwise  and without any  documents of  assumption or
assignment,  shall  hold  and  enjoy  all  of  the  properties,  franchises  and
interests,  including appointments,  powers,  designations,  nominations and all
other rights and  interests  as the agent or other  fiduciary in the same manner
and to the same extent as such rights, franchises, and interests and powers were
held or enjoyed by Leeds MHC and Northwest  MHC. The  Resulting  Entity shall be
responsible for all of the  liabilities,  restrictions  and duties of every kind
and  description  of Leeds MHC and Northwest MHC,  immediately  prior to the MHC
Merger,  including liabilities for all debts, obligations and contracts of Leeds
MHC  and  Northwest  MHC,  matured  or  unmatured,  whether  accrued,  absolute,
contingent  or otherwise  and whether or not  reflected  or reserved  against on
balance sheets, books or accounts or records of Leeds MHC and Northwest MHC. All
rights of  creditors  and other  obligees and all liens on property of Leeds MHC
and Northwest MHC shall be preserved and shall not be released or impaired.

     7. Other Terms. All terms used in this MHC Merger  Agreement shall,  unless
defined herein, have the meanings set forth in the Merger Agreement.


                                      B-2



         IN WITNESS WHEREOF, Leeds MHC and Northwest MHC have caused this MHC
Merger Agreement to be executed as of the date first above written.


                                                 Northwest Bancorp, MHC
ATTEST:


                                                 By:
- ---------------------------------------             ----------------------------
Gregory C. LaRocca, Corporate Secretary             William J. Wagner, President


                                                 Leeds Bankshares, MHC
ATTEST:


                                                 By:
- ---------------------------------------             ----------------------------
Margaret Balsamo, Corporate Secretary               Gordon E. Clark, President



                                      B-3