KEYSTONE FINANCIAL INC
424B3, 1995-07-19
STATE COMMERCIAL BANKS
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<PAGE>
 
                                                       RULE 424(b)(3)
                                                       REGISTRATION NO. 33-91532

 [LOGO AND LETTERHEAD OF SHAWNEE FINANCIAL SERVICES CORPORATION APPEARS HERE]


                                          July 19, 1995

Dear Shareholder:

      A Special Meeting of the Shareholders of the Shawnee Financial Services
Corporation ("Shawnee") will be held on Tuesday, August 22, 1995, at 11:00 a.m.,
local time, at the Board Room of The Everett Bank, 115 East Main Street,
Everett, Pennsylvania 15537.

      The purpose of the Special Meeting is to consider and vote upon a proposal
to approve an Agreement and Plan of Reorganization and a related Agreement and
Plan of Merger (collectively, the "Plan of Merger") providing for the merger of
Shawnee into Keystone Financial, Inc. ("Keystone").  Keystone is a bank holding
company with its principal office in Harrisburg, Pennsylvania.  Through its
subsidiary banks, Keystone currently maintains 140 banking offices in central
and southeastern Pennsylvania, western Maryland and northeastern West Virginia.

      If the merger is approved, Shawnee shareholders will receive 6.25 shares
of Keystone Common Stock in exchange for each share of Shawnee Common Stock
owned by them.  Upon consummation of the merger, Shawnee shareholders will no
longer hold any interest in Shawnee.  Instead, you will be a shareholder of
Keystone.  Keystone Common Stock is quoted on the NASDAQ National Market System
under the symbol "KSTN."  Based on the July 13, 1995 closing sale price for
Keystone Common Stock of $30.00 per share, the value of the 6.25 shares of
Keystone Common Stock being offered for each Shawnee share in the merger would
be $187.50.  Shareholders should note that the market value of the Keystone
Common Stock may change prior to consummation of the merger.  SHAREHOLDERS ARE
ENCOURAGED TO READ AND CAREFULLY CONSIDER THE ATTACHED PROXY
STATEMENT/PROSPECTUS WHICH CONTAINS A MORE COMPLETE DESCRIPTION OF THE TERMS OF
THE PROPOSED MERGER AND PROVIDES DETAILED FINANCIAL, BUSINESS AND OTHER
INFORMATION CONCERNING SHAWNEE AND KEYSTONE.

      The Board of Directors of Shawnee has carefully considered the Plan of
Merger and believes that the proposed merger is in the best interests of Shawnee
and its shareholders.  ACCORDINGLY, YOUR BOARD OF DIRECTORS UNANIMOUSLY
RECOMMENDS THAT YOU VOTE FOR APPROVAL OF THE PLAN OF MERGER.  All the executive
officers and directors of Shawnee have advised Shawnee of their intention to
vote the shares of Shawnee Common Stock owned by them in favor of the Plan of
Merger.

      The affirmative vote of the holders of 75% of all outstanding shares of
Shawnee Common Stock is necessary for approval of the Plan of Merger.
Consummation of the Plan of Merger is also subject to the receipt of regulatory
approvals by certain banking authorities that have not been obtained as of this
date.  Your vote is important regardless of the number of shares you own.  We
urge you to participate in this significant development by marking, signing,
dating and returning promptly the enclosed proxy in the accompanying postage
paid, pre-addressed envelope, whether or not you plan to attend the Special
Meeting.  You will retain the right to vote your shares in person at the Special
Meeting if you so desire.  All properly executed proxies not previously revoked
will be voted at the Special Meeting in accordance with the instructions given
on the proxy.  Proxies containing no voting instructions regarding the proposal
to approve the Plan of Merger will be voted in favor of the merger.

                                          Sincerely yours,                     
                                                                               
                                          /s/ SAMUEL K. BOHN                   
                                                                               
                                                                               
                                          Samuel K. Bohn                       
                                          President and Chief Executive Officer
<PAGE>
 
                    SHAWNEE FINANCIAL SERVICES CORPORATION
                                 P.O. BOX 149
                         EVERETT, PENNSYLVANIA  15537

                             _________________

                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
                         TO BE HELD ON AUGUST 22, 1995
                             _________________

TO THE SHAREHOLDERS:

      NOTICE IS HEREBY GIVEN that a Special Meeting of Shareholders of Shawnee
Financial Services Corporation (the "Corporation") will be held on Tuesday,
August 22, 1995 at 11:00 a.m., local time, at the Board Room of The Everett
Bank, 115 East Main Street, Everett, Pennsylvania, for the purpose of
considering and acting upon the following:

      1.  Approval of the Agreement and Plan of Reorganization and the Agreement
          and Plan of Merger, each dated as of January 5, 1995, between the
          Corporation and Keystone Financial, Inc., which provide for the merger
          of the Corporation into Keystone Financial, Inc. and the conversion of
          each outstanding share of the Corporation's Common Stock into 6.25
          shares of Keystone Common Stock, as described in the accompanying
          Proxy Statement/Prospectus;

      2.  Such other matters as may properly come before the meeting or any
          adjournment thereof.

      Only shareholders of record at the close of business on June 24, 1995 are
entitled to notice of and to vote at the Special Meeting.

      ALL SHAREHOLDERS ARE URGED TO COMPLETE, SIGN, DATE AND RETURN THE ENCLOSED
PROXY CARD PROMPTLY, WHETHER OR NOT YOU EXPECT TO ATTEND THE MEETING.  If you
attend the meeting you may, if you wish, withdraw your proxy and vote your
shares in person.

                                          By Order of the Board of Directors



                                          B. Frank Dunkle, Jr., Secretary

July 19, 1995
<PAGE>
 
                          PROXY STATEMENT/PROSPECTUS

                           KEYSTONE FINANCIAL, INC.

                 501,150 SHARES OF COMMON STOCK, $2 PAR VALUE
                       ISSUABLE IN PROPOSED MERGER WITH

                    SHAWNEE FINANCIAL SERVICES CORPORATION

      This Proxy Statement/Prospectus is being furnished to the shareholders of
Shawnee Financial Services Corporation ("Shawnee") in connection with the
solicitation of proxies by its Board of Directors for use at a Special Meeting
of Shareholders of Shawnee to be held on August 22, 1995.  The purpose of the
Special Meeting is to consider a proposed merger (the "Merger") of Shawnee into
Keystone Financial, Inc. ("Keystone").  As a result of the Merger, Keystone,
which will be the surviving corporation, will acquire all of the assets and
liabilities of Shawnee, and the shareholders of Shawnee will become shareholders
of Keystone.  Each outstanding share of Shawnee Common Stock will be converted
in the Merger into 6.25 shares of Keystone Common Stock.  The Keystone Common
Stock is quoted on the NASDAQ National Market System under the symbol "KSTN."
Based on the July 13, 1995 closing sale price for Keystone Common Stock of
$30.00 per share, the value of the 6.25 shares of Keystone Common Stock being
offered for each Shawnee share in the Merger would be $187.50.  Shawnee
shareholders should note that the market value of the Keystone Common Stock may
change prior to consummation of the Merger.  The approximate date on which this
Proxy/Statement Prospectus will first be mailed to the shareholders of Shawnee
is July 19, 1995.

                            ______________________

    THE SHARES OF KEYSTONE COMMON STOCK TO BE ISSUED IN THE MERGER HAVE NOT
    BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION
    OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES AND EXCHANGE
         COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
           ACCURACY OR ADEQUACY OF THIS PROXY STATEMENT/PROSPECTUS.
           ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

          THE SHARES OF KEYSTONE COMMON STOCK OFFERED HEREBY ARE NOT
         SAVINGS ACCOUNTS, DEPOSITS OR OTHER OBLIGATIONS OF A BANK OR
        SAVINGS ASSOCIATION AND ARE NOT INSURED BY THE FEDERAL DEPOSIT
            INSURANCE CORPORATION OR ANY OTHER GOVERNMENTAL AGENCY.

                            ______________________
                        

      No person has been authorized to give any information or to make any
representation not contained in this Proxy Statement/Prospectus, and, if given
or made, any such information or representation should not be relied upon as
having been authorized by Keystone or Shawnee.  This Proxy Statement/Prospectus
does not constitute an offer or solicitation by any person in any State in which
such offer or solicitation is not authorized by the laws thereof or in which the
person making such offer or solicitation is not qualified to make the same.
Neither the delivery of this Proxy Statement/Prospectus at any time nor the
distribution of Keystone Common Stock hereunder shall imply that the information
contained herein is correct as of any time subsequent to its date.

                            ______________________

         The date of this Proxy Statement/Prospectus is July 14, 1995.
<PAGE>
 
                             AVAILABLE INFORMATION

      Keystone has filed with the Securities and Exchange Commission (the "SEC")
under the Securities Act of 1933 (the "Securities Act") a Registration Statement
on Form S-4 (the "Registration Statement") covering the shares of Keystone
Common Stock issuable in the Merger.  As permitted by the rules and regulations
of the SEC, this Proxy Statement/Prospectus omits certain information, exhibits
and undertakings contained in the Registration Statement.  The statements
contained in this Proxy Statement/Prospectus as to the contents of any contract
or other document filed as an exhibit to the Registration Statement are of
necessity brief descriptions and are not necessarily complete.  Each such
statement is qualified in its entirety by reference to the copy of such contract
or document filed as an exhibit to the Registration Statement.  The Registration
Statement and the exhibits thereto can be inspected at the public reference
facilities of the SEC at Room 1024, 450 Fifth Street, N.W., Washington, D.C.,
and copies of such material can be obtained at prescribed rates by mail
addressed to the SEC, Public Reference Section, Washington, D.C. 20549.

      Keystone is subject to the informational requirements of the Securities
Exchange Act of 1934 (the "Exchange Act") and in accordance therewith files
reports, proxy statements and other information with the SEC.  Such reports,
proxy statements and other information can be inspected and copied at the public
reference facilities maintained by the SEC at Room 1024, 450 Fifth Street, N.W.,
Washington, D.C.; Suite 1400, 500 West Madison Street, Chicago, Illinois; and
Room 1228, 75 Park Place, New York, New York.  Copies of such material can also
be obtained at prescribed rates by mail addressed to the SEC, Public Reference
Section, Washington, D.C. 20549.  Keystone Common Stock is quoted on the NASDAQ
National Market System, and such reports, proxy statements and other Keystone
information can also be inspected at the offices of NASDAQ Operations, 1735 K
Street, N.W., Washington, D.C.

      THIS PROXY STATEMENT/PROSPECTUS INCORPORATES BY REFERENCE CERTAIN
DOCUMENTS RELATING TO THE MERGER AND TO KEYSTONE WHICH ARE NOT PRESENTED HEREIN
OR DELIVERED HEREWITH.  SEE "PLAN OF MERGER" AND "KEYSTONE DOCUMENTS
INCORPORATED BY REFERENCE" BELOW.  COPIES OF SUCH DOCUMENTS, INCLUDING THE PLAN
OF MERGER, ARE AVAILABLE UPON WRITTEN OR ORAL REQUEST AND WITHOUT CHARGE TO ANY
PERSON TO WHOM THIS PROXY STATEMENT/PROSPECTUS HAS BEEN DELIVERED.  REQUESTS FOR
COPIES OF DOCUMENTS INCORPORATED BY REFERENCE HEREIN SHOULD BE DIRECTED TO
KEYSTONE FINANCIAL, INC., ONE KEYSTONE PLAZA, FRONT AND MARKET STREETS, P.O. BOX
3660, HARRISBURG, PENNSYLVANIA  17105-3660, ATTENTION:  BEN G. ROOKE, CORPORATE
SECRETARY (TELEPHONE:  717-231-5701).  IN ORDER TO ENSURE TIMELY DELIVERY OF THE
DOCUMENTS, ANY REQUEST BY A SHAWNEE SHAREHOLDER SHOULD BE MADE NOT LATER THAN
JULY 25, 1995.


                 KEYSTONE DOCUMENTS INCORPORATED BY REFERENCE

      The following documents previously filed by Keystone with the SEC pursuant
to the Exchange Act (File No. 0-11460) are hereby incorporated by reference into
this Proxy Statement/Prospectus:

          1.  Keystone's Annual Report on Form 10-K for the year ended December
      31, 1994;

          2.  Keystone's Quarterly Report on Form 10-Q for the quarter ended
      March 31, 1995; and

          3.  The description of the Keystone Common Stock which is contained in
      Keystone's Current Report on Form 8-K dated July 31, 1992.

      All documents filed by Keystone with the SEC pursuant to Section 13(a),
13(c), 14 or 15(d) of the Exchange Act after the date of this Proxy
Statement/Prospectus and prior to the date of the Shawnee Special Meeting shall
be deemed to be incorporated by reference in this Proxy Statement/Prospectus and
to be a part hereof from the date of the filing of such documents.

      Shawnee shareholders who wish to obtain copies of the Keystone documents
incorporated by reference herein may do so by following the instructions under
"Available Information" above.

                                      -2-
<PAGE>
 
                           KEYSTONE FINANCIAL, INC.
                                      AND
                    SHAWNEE FINANCIAL SERVICES CORPORATION
                                  _________

                          PROXY STATEMENT/PROSPECTUS
                                  _________

                               TABLE OF CONTENTS

<TABLE>
<CAPTION> 
                                                                   PAGE
                                                                   ----
<S>                                                                <C>
SUMMARY............................................................ iii

INTRODUCTION
     Record Date; Voting Rights....................................   1
     Purpose of the Special Meeting................................   1
     Voting and Revocation of Proxies..............................   2
     Solicitation of Proxies.......................................   2

PLAN OF MERGER
     The Merger....................................................   2
     Background of and Reasons for the Merger......................   3
     Required Vote; Management Recommendation......................   6
     Voting Agreements.............................................   6
     Trust Department Shares.......................................   7
     Opinion of Shawnee Financial Advisor..........................   7
     Conversion of Shawnee Shares..................................  11
     Tax Consequences to Shawnee Shareholders......................  12
     Boards of Directors Following the Merger......................  13
     Interests of Certain Persons in the Transaction...............  14
     Warrant Agreement.............................................  15
     Inconsistent Activities.......................................  16
     Conduct of Shawnee Business Pending the Merger................  16
     Shawnee Dividend Limitation...................................  16
     Conditions to the Merger......................................  17
     Representations and Warranties................................  17
     Amendment, Waiver and Termination.............................  17
     Dissenters' Rights of Shawnee Shareholders....................  18
     Restrictions on Resales by Shawnee Affiliates.................  20
     Effect of Certain Transactions Involving Keystone.............  21
     Expenses......................................................  21
     Effective Date of the Merger..................................  21
     Accounting Treatment..........................................  22

INFORMATION CONCERNING KEYSTONE
  KEYSTONE SELECTED FINANCIAL DATA.................................  23
  STOCK PRICES AND DIVIDENDS ON KEYSTONE COMMON STOCK..............  25
</TABLE>

                                      -i-
<PAGE>
 
<TABLE>
<S>                                                                <C>
INFORMATION CONCERNING SHAWNEE
  SHAWNEE SELECTED FINANCIAL DATA..................................  26
  SHAWNEE MANAGEMENT'S DISCUSSION AND ANALYSIS OF
     FINANCIAL CONDITION AND RESULTS OF OPERATIONS.................  27
  MARKET AND DIVIDEND INFORMATION CONCERNING
     SHAWNEE COMMON STOCK..........................................  38
  BUSINESS OF SHAWNEE..............................................  39
  MANAGEMENT OF SHAWNEE............................................  41
  CERTAIN BENEFICIAL OWNERS OF SHAWNEE COMMON STOCK................  43
  SHAWNEE'S INDEPENDENT AUDITORS...................................  43

COMPARISON OF KEYSTONE COMMON STOCK
  AND SHAWNEE COMMON STOCK.........................................  44

LEGAL OPINIONS.....................................................  49

EXPERTS............................................................  49

OTHER MATTERS......................................................  49

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS.........................  50

ANNEXES
   I. Opinion of Berwind Financial Group, L.P. to Shawnee.........  A-1
  II. Statutory Provisions Concerning Dissenters'
       Rights of Shawnee Shareholders.............................  A-3
</TABLE>

                                     -ii-
<PAGE>
 
                                    SUMMARY


      THE FOLLOWING IS A BRIEF SUMMARY OF CERTAIN INFORMATION WHICH MAY ALSO BE
CONTAINED ELSEWHERE IN THIS PROXY STATEMENT/PROSPECTUS. THIS SUMMARY IS PROVIDED
FOR CONVENIENCE AND SHOULD NOT BE CONSIDERED COMPLETE.  IT IS QUALIFIED IN ITS
ENTIRETY BY THE MORE DETAILED INFORMATION CONTAINED IN THIS PROXY
STATEMENT/PROSPECTUS AND IN THE ANNEXES HERETO.


THE PARTIES

      Keystone Financial, Inc. ("Keystone") is a bank holding company with its
principal executive offices at One Keystone Plaza, Front and Market Streets,
P.O. Box 3660, Harrisburg, Pennsylvania  17105-3660 (telephone:  717-233-1555).

      In terms of assets, Keystone is the seventh largest bank holding company
in Pennsylvania.  Its banking subsidiaries are Mid-State Bank and Trust Company,
Altoona, Pennsylvania ("Mid-State"); Pennsylvania National Bank and Trust
Company, Pottsville, Pennsylvania; Northern Central Bank, Williamsport,
Pennsylvania; The Frankford Bank, N.A., Horsham, Pennsylvania; American Trust
Bank, Cumberland, Maryland; and American Trust Bank of West Virginia, Inc.,
Keyser, West Virginia.

      Keystone's subsidiary banks provide a wide range of financial products and
services through a combined total of 140 community offices located in central
and southeastern Pennsylvania, western Maryland and northeastern West Virginia.
Keystone's subsidiary banks operate under the "supercommunity" banking
philosophy, functioning as local community banks with a personalized service
approach to customers while at the same time taking advantage of the size of the
larger Keystone organization to provide a broad product line and gain operating
and management efficiencies through economies of scale.  In addition to the
traditional banking services provided by its member banks, Keystone has
established several nonbanking subsidiaries to deliver an array of services to
both Keystone and its customers, including brokerage, mortgage banking, leasing,
investments and credit life and accident and health insurance.  See "Keystone
Documents Incorporated by Reference."

      Keystone Common Stock is traded in the over-the-counter market under the
symbol "KSTN" and is listed in the NASDAQ National Market System.  On July 13,
1995, the closing sale price for Keystone Common Stock on the NASDAQ National
Market System was $30.00.  See "Information Concerning Keystone--Stock Prices
and Dividends on Keystone Common Stock."

      At March 31, 1995, Keystone reported consolidated total assets of $4.680
billion, deposits of $3.825 billion and net loans and leases of $3.195 billion.
Keystone reported net income of $51,359,000, or $2.20 per share, for the year
ended December 31, 1994 and net income of $14,656,000, or $0.63 per share, for
the three months ended March 31, 1995.  See "Information Concerning Keystone--
Selected Financial Data" and "Keystone Documents Incorporated by Reference."

      Shawnee Financial Services Corporation ("Shawnee") is a bank holding
company with its principal executive offices at 115 East Main Street, Everett,
Pennsylvania 15537 (telephone:  814-652-5138).  Its sole subsidiary is The
Everett Bank, which has four banking offices in Bedford County in central
Pennsylvania.  See "Information Concerning Shawnee--Business of Shawnee."

      At March 31, 1995, Shawnee reported consolidated total assets of $71.209
million, deposits of $62.627 million and net loans of $38.752 million.  Shawnee
reported net income of $727,000, or $9.07 per share, for the year ended December
31, 1994 and net income of $191,000, or $2.38 per share, for the three months
ended March 31, 1995.  See "Information Concerning Shawnee--Selected Financial
Data;" Information Concerning Shawnee--Management's Discussion and Analysis of
Financial Condition and Results of Operations;" and "Index to Consolidated
Financial Statements."

                                     -iii-
<PAGE>
 
THE SHAWNEE SPECIAL MEETING

      The Special Meeting of Shareholders of Shawnee (the "Special Meeting")
will be held at 11:00 a.m., local time, on August 22, 1995 at The Everett Bank's
Board Room, 115 East Main Street, Everett, Pennsylvania.  Only holders of record
of Common Stock, par value $10.00 per share, of Shawnee ("Shawnee Common Stock")
at the close of business on June 24, 1995 will be entitled to vote at the
Special Meeting.  At that date, 80,184 shares of Shawnee Common Stock were
outstanding, each share being entitled to one vote.  See "Introduction."

THE MERGER

      At their Special Meeting, the shareholders of Shawnee will be asked to
approve an Agreement and Plan of Reorganization and a related Agreement and Plan
of Merger (collectively, the "Plan of Merger") between Keystone and Shawnee.
The Plan of Merger provides for the merger of Shawnee into Keystone (the
"Merger").  It is contemplated that simultaneously with or following the Merger,
The Everett Bank will be merged (the "Bank Merger") into Mid-State, one of
Keystone's operating bank subsidiaries.  See "Plan of Merger--The Merger."  As a
result of the Merger, each outstanding share of Shawnee Common Stock will be
converted into 6.25 shares of Keystone Common Stock, with cash to be paid in
lieu of any fractional share.  See "Plan of Merger--Conversion of Shawnee
Shares."  On July 13, 1995, the closing sale price for Keystone Common Stock on
the NASDAQ National Market System was $30.00 per share.


REASONS FOR THE MERGER

      Shawnee.  The past several years have evidenced significant changes in the
banking industry, including greater regulation at the federal level (both in
terms of paperwork and complexity) and significant consolidation among banks.

      During the first quarter of 1994, the Board of Directors of Shawnee began
to consider its goals for the future.  These goals included the enhancement of
shareholder value, continued service to the Everett area and surrounding
communities and continued attention to the needs of its employees.  In April
1994, certain representatives of Shawnee were approached by Keystone concerning
a possible merger of the two companies.  Throughout the summer and fall of 1994,
these discussions continued, leading to a definitive proposal in November 1994
for Keystone to acquire Shawnee.  This proposal addressed issues relating to the
structure of the transaction as a tax-free exchange, and proposed an exchange
ratio of 5.849 shares of Keystone Common Stock for each share of Shawnee Common
Stock outstanding.

      Berwind Financial Group, L.P. ("Berwind") was retained by the Board in
October 1994 to advise it concerning the financial aspects of a potential merger
with Keystone or another party.  Berwind has represented many banks in
acquisition transactions, acting on behalf of both acquirors and acquirees.
Berwind reported its preliminary findings on the value of Shawnee to the Board
of Directors in December 1994.  Following this presentation, the Board directed
Berwind to negotiate with Keystone over the next week to obtain a higher price
for Shawnee shareholders while meeting the Board's other, non-financial
objectives.  Berwind reported back to the Board on December 13, 1994 that
Keystone would be willing to increase its offer to 6.25 shares of Keystone
Common Stock for each share of Shawnee Common Stock outstanding, which the Board
then voted to accept.  The Board directed its attorneys to proceed to negotiate
a definitive merger agreement with Keystone.  This agreement was negotiated
between the parties, presented to the Board, and signed on January 5, 1995.

      Prior to the signing of the Plan of Merger with Keystone, Shawnee received
an opinion from its financial advisor to the effect that the Keystone offer was
fair to the shareholders of Shawnee.  Details of this opinion and Berwind's
analysis are set forth in greater detail in this Proxy Statement/Prospectus.
See "Plan of Merger--Opinion of Shawnee Financial Advisor."  In addition to
Berwind's fairness opinion, the Board favored the Merger for various other
reasons, including the strength of Keystone as a banking institution and its
ability to continue to serve customers in the bank's market, opportunities for
The Everett Bank's employees within Keystone's organization 

                                     -iv-
<PAGE>
 
and the significant benefits to Shawnee shareholders resulting from the
consideration offered by Keystone and the tax-free nature of the transaction.
For a more complete discussion of these reasons, see "Plan of Merger--Background
of and Reasons for the Merger."

      Based upon the above and other factors, the Board unanimously approved the
Plan of Merger on January 5, 1995.

      Shawnee has been contacted periodically by other banking institutions
which have expressed an interest in a possible merger.  Since beginning its
discussions with Keystone last year, three bank holding companies have indicated
orally a preliminary interest, and one bank holding company has expressed such
an interest by means of a letter.  No oral or written offer was made by any of
such parties, and Shawnee did not pursue any further contact with these parties.

      Keystone.  For Keystone, the addition of Everett's offices to Mid-State
resulting from the Merger and the Bank Merger will provide a natural extension
to Mid-State's market area and a bridge between the areas served by Mid-State
and American Trust Bank, Keystone's subsidiary headquartered in Cumberland,
Maryland.  The Merger will enable Mid-State to better serve the agricultural
market in eastern Bedford County and to serve this market's larger commercial
customers by providing financial products and services which Everett has been
unable to provide.


VOTE REQUIRED FOR APPROVAL

      Approval of the Plan of Merger by the shareholders of Shawnee requires the
affirmative vote of the holders of at least 75% of the outstanding shares of
Shawnee Common Stock.  A failure to vote, an abstention or a broker non-vote
will have the same legal effect as a vote against the approval of the Plan of
Merger.  See "Plan of Merger--Required Vote; Management Recommendation."  As of
June 19, 1995, the directors and executive officers of Shawnee beneficially
owned an aggregate of 21.33% of the outstanding Shawnee Common Stock.

      The directors and executive officers of Shawnee have entered into
agreements with Keystone to vote in favor of the Merger shares of Shawnee Common
Stock beneficially owned by them individually or jointly and to use their best
efforts to cause certain other shares over which they have or share voting power
to be voted in favor of the Merger.  These agreements cover an aggregate of
21.33% of the outstanding Shawnee Common Stock.  No monetary or other
compensation was paid to any Shawnee director or executive officer for entering
into these agreements.  See "Plan of Merger--Voting Agreements."

      The Trust Department of Keystone's wholly owned subsidiary, Mid-State,
acting in a fiduciary capacity, has voting power over 8.37% of the outstanding
Shawnee Common Stock.  It is anticipated that these shares will be voted in
favor of the Merger.

      Shawnee was informed in January 1995 by its largest shareholder, June A.
Derrick (through her legal representative), that it was Mrs. Derrick's intention
to vote her shares in favor of the Merger.  Mrs. Derrick presently holds 15.71%
of the outstanding Shawnee Common Stock.  If Mrs. Derrick were to vote her
shares in favor of the Merger, the percentage of the outstanding shares already
anticipated to be voted in favor of the Merger would be approximately 45%.
There can be no assurance that Mrs. Derrick will vote her shares in this manner.

      The Merger does not require approval by the shareholders of Keystone.


OPINION OF FINANCIAL ADVISOR

      The investment banking firm of Berwind Financial Group, L.P.  has rendered
an opinion to Shawnee dated June 30, 1995 that the terms of the Merger are fair,
from a financial point of view, to Shawnee and its  

                                      -v-
<PAGE>
 
shareholders. This opinion is attached as Annex I to this Proxy
Statement/Prospectus and should be read in its entirety for information as to
the matters considered and the assumptions made in rendering such opinion. See
"Plan of Merger--Opinion of Shawnee Financial Advisor."


BOARD OF DIRECTORS' RECOMMENDATION

      THE BOARD OF DIRECTORS OF SHAWNEE BELIEVES THAT THE MERGER IS IN THE BEST
INTERESTS OF THE SHAREHOLDERS OF SHAWNEE AND UNANIMOUSLY RECOMMENDS THAT SHAWNEE
SHAREHOLDERS VOTE "FOR" APPROVAL OF THE PLAN OF MERGER.

      SHAWNEE SHAREHOLDERS ARE REQUESTED TO COMPLETE, DATE AND SIGN THE
ACCOMPANYING PROXY CARD AND RETURN IT PROMPTLY IN THE ENCLOSED POSTAGE-PAID
ENVELOPE.


POST-MERGER BOARDS OF DIRECTORS

      Following the Bank Merger, L. Frank Bittner, presently Chairman of the
Board of Directors of Shawnee, will become a member of the Board of Directors of
Mid-State.  No change in the Board of Directors of Keystone will be made by
reason of the Merger.  See "Plan of Merger--Boards of Directors Following the
Merger."


INTERESTS OF CERTAIN PERSONS IN THE TRANSACTION

      As a director of Mid-State, L. Frank Bittner will receive the same fees as
other Mid-State directors, consisting of an annual retainer of $3,500, plus $500
per Board meeting and $200 per Board Committee meeting attended.  Samuel K.
Bohn, the President and a director of Shawnee and Everett, will be offered
$50,000 per year for a two-year period to assist in the post-Merger transition
and/or for a covenant not to compete.  Ralphard L. Black, Vice President of
Shawnee and Executive Vice President of Everett, will be employed as a Vice
President of Mid-State without change by reason of the Merger in his salary,
which is currently $65,000 per year.

      It is not intended that any of the remaining directors and executive
officers of Shawnee, none of whom are employees, will be retained by Keystone or
Mid-State following the Merger.  No severance or similar payments will be made
to such persons.

      Keystone has agreed to indemnify Shawnee's directors and officers with
respect to events occurring prior to the Merger and to provide such persons with
certain directors' and officers' liability insurance coverage.  See "Plan of
Merger--Interests of Certain Persons in the Transaction."


EMPLOYEE MATTERS

      Keystone has agreed to consider Everett employees for employment within
the Keystone organization to permit Everett employees employed by Keystone and
its subsidiaries to participate on an equal basis in Keystone's internal open
position posting and application procedures.  Shawnee and Everett employees who
become employees of Keystone and its subsidiaries will be provided employee
benefits no less favorable than those provided to other similarly situated
employees.  Following the Merger, Keystone and Mid-State will perform the
respective obligations of Shawnee and Everett with respect to vested benefits
accrued under Everett's retirement and profit sharing plans.

                                     -vi-
<PAGE>
 
TAX CONSEQUENCES

      No gain or loss for federal or Pennsylvania income tax purposes will be
recognized by shareholders of Shawnee on the exchange of their shares for
Keystone Common Stock in the Merger, except with respect to cash received in
lieu of fractional shares and cash paid to shareholders who elect dissenters'
rights.  For a more complete description of the Federal and Pennsylvania income
tax consequences of the Merger, see "Plan of Merger--Tax Consequences to Shawnee
Shareholders."


WARRANT AGREEMENT

      In connection with the Plan of Merger, Shawnee has entered into an
agreement granting Keystone a warrant to purchase up to 19.9% of the outstanding
Shawnee Common Stock, at an exercise price of $182.81 per share, upon the
occurrence of certain events.  In general, the events which would permit
Keystone to exercise its warrant would involve an attempt by a third person to
gain control of Shawnee.  The Warrant Agreement is designed to compensate
Keystone for its risks, costs and expenses and the commitment of resources
associated with the Plan of Merger in the event the Merger is not consummated
due to an attempt by a third person to gain control of Shawnee.  The Warrant
Agreement may discourage third persons from making competing offers to acquire
Shawnee and is intended to increase the likelihood that the Plan of Merger will
be consummated in accordance with its terms.  Exercise of the warrant for more
than 5% of the outstanding Shawnee Common Stock would be subject to the approval
of regulatory authorities.  See "Plan of Merger--Warrant Agreement."


DISSENTERS' RIGHTS

      Record holders of Shawnee Common Stock who object to the Merger and comply
with the prescribed statutory procedures are entitled to have the fair value of
their shares determined in accordance with the Pennsylvania Business Corporation
Law and paid to them in cash in lieu of the shares of Keystone Common Stock they
would otherwise be entitled to receive in the Merger.  A copy of the pertinent
statutory provisions is attached to this Proxy Statement/Prospectus as Annex II.
FAILURE TO FOLLOW SUCH PROVISIONS PRECISELY MAY RESULT IN A LOSS OF DISSENTERS'
RIGHTS.  See "Plan of Merger--Dissenters' Rights of Shawnee Shareholders."


DIFFERENCES IN SHAREHOLDER RIGHTS

      The rights of the holders of Keystone Common Stock differ in certain
respects from those of the holders of Shawnee Common Stock.  While for both
Shawnee and Keystone certain mergers and other potential change-of-control
transactions and certain amendments to the articles of incorporation or by-laws
require approval by 75% of the outstanding shares, the types of transactions or
amendments subject to the special vote requirements differ between the two
companies, and a such transaction or amendment involving Keystone would also
require approval by a majority of the shares not beneficially owned by a 20%
shareholder.  While both Keystone and Shawnee have classified Boards of
Directors, there are differences in the rights of shareholders of the two
companies to increase or decrease the size of the Board, to fill vacancies and
to nominate and remove directors.  Unlike Shawnee, Keystone has established a
shareholder rights plan and is subject to certain provisions of the Pennsylvania
Business Corporation Law which may discourage outside persons from attempting to
acquire control of Keystone or make such an attempt more difficult.  Because
Keystone Common Stock is publicly traded, holders of Keystone Common Stock are
not entitled to dissenters' appraisal rights in a variety of situations in which
such rights would be available to shareholders of Shawnee.  Unlike Shawnee,
Keystone has an authorized class of preferred stock which, if issued, could
affect the rights of the holders of Keystone Common Stock.  For a more detailed
discussion of the differences between the rights of the holders of Shawnee
Common Stock and those of the holders of Keystone Common Stock, see "Comparison
of Keystone Common Stock and Shawnee Common Stock."

                                     -vii-
<PAGE>
 
REGULATORY APPROVALS

      The Merger requires approval by the Board of Governors of the Federal
Reserve System and the Pennsylvania Department of Banking.  The Bank Merger
requires approval by the FDIC and the Pennsylvania Department of Banking.
Applications for these approvals have been filed and are expected to be
approved, although no assurances may be given as to whether or when such
approvals may be received.


CONDITIONS; AMENDMENT; TERMINATION

      In addition to shareholder and regulatory approval, consummation of the
Merger is contingent upon the receipt of certain tax opinions and the
satisfaction of a number of other conditions.  See "Plan of Merger--Conditions
to the Merger."  Notwithstanding prior shareholder approval, the Plan of Merger
may be amended in any respect other than the ratio for converting Shawnee Common
Stock into Keystone Common Stock in the Merger.

      The Plan of Merger may be terminated, and the Merger abandoned,
notwithstanding prior shareholder approval, by mutual agreement of Keystone and
Shawnee or by either of them in the event of a material breach by the other
party, failure to receive shareholder or regulatory approval or failure to
satisfy the conditions to the Merger prior to September 30, 1995 or, in certain
circumstances, December 31, 1995.  Shawnee may also terminate the Plan of Merger
if (1) the average closing bid price for Keystone Common Stock for the 10
trading days ending six trading days prior to the closing date for the Merger is
less than $24.86 and (2) such decline in Keystone's stock price exceeds by more
than 15% the decline in the NASDAQ Combined Bank Index since January 4, 1995.
See "Plan of Merger--Amendment, Waiver and Termination."


EFFECTIVE DATE OF THE MERGER

      It is presently anticipated that if the Plan of Merger is approved by the
shareholders of Shawnee, the Merger will become effective in the third quarter
of 1995.  However, there can be no assurance that all conditions necessary to
the consummation of the Merger will be satisfied or, if satisfied, that they
will be satisfied in time to permit the Merger to become effective at the
anticipated time.  See "Plan of Merger--Effective Date of the Merger."

 
EXCHANGE OF CERTIFICATES

      Instructions on how to effect the exchange of Shawnee Common Stock
certificates for Keystone Common Stock certificates will be sent as promptly as
practicable after the Merger becomes effective to each shareholder of record of
Shawnee immediately prior to the Merger.  SHAREHOLDERS SHOULD NOT SEND IN STOCK
CERTIFICATES UNTIL THEY RECEIVE WRITTEN INSTRUCTIONS TO DO SO.

                                    -viii-
<PAGE>
 
PRE-ANNOUNCEMENT PRICES

      The following table sets forth (i) the closing sale price for Keystone
Common Stock on the NASDAQ National Market System on January 5, 1995, the last
trading day prior to the first public announcement of the Merger and (ii) an
equivalent per share price for Shawnee Common Stock computed by multiplying the
closing sale price for Keystone Common Stock on January 5, 1995 by the Merger
exchange ratio of 6.25 to 1.

<TABLE> 
<CAPTION> 
                                                LAST
                                           PRE-ANNOUNCEMENT      EQUIVALENT PER
                                                PRICE             SHARE PRICE
                                                -----             -----------
<S>                                        <C>                   <C> 
Keystone Common Stock...................      $29.625                   --
Shawnee Common Stock....................        --                    $185.16
</TABLE> 

      On July 13, 1995, the closing sale price for Keystone Common Stock was
$30.00.  Using this price, the equivalent per share price for Shawnee Common
Stock would have been $187.50.

      The last trade of Shawnee Common Stock known to Shawnee management to have
occurred prior to announcement of the Merger was a trade of 300 shares of
Shawnee Common Stock at $92.00 per share on January 4, 1995 by parties not
affiliated with Shawnee.  There is no established market for Shawnee Common
Stock, and there has been only limited trading in Shawnee Common Stock.
Therefore, this price may not necessarily be indicative of the true market value
of Shawnee Common Stock.


ACCOUNTING TREATMENT

      Normally, the Merger would be accounted for by Keystone under the pooling-
of-interests method of accounting.  However, if the number of treasury shares
purchased by Keystone under its share repurchase program exceeds certain limits,
Keystone may be required to account for the Merger under the purchase method of
accounting.  See "Plan of Merger--Accounting Treatment."

      Pro forma financial information concerning the Merger is not included
herein since the addition of Shawnee under either accounting method would not
have materially affected the Keystone historical financial information as
presented.

                                     -ix-
<PAGE>
 
SELECTED FINANCIAL INFORMATION--(UNAUDITED)

      The following table sets forth certain historical financial information
for Keystone and Shawnee.  The addition of Shawnee would not have materially
affected the Keystone financial information as presented.  This information is
based on the consolidated financial statements of Keystone incorporated herein
by reference and the consolidated financial statements of Shawnee appearing
elsewhere herein and should be read in conjunction with such statements and the
related notes.

<TABLE> 
<CAPTION> 
                                  THREE MONTHS
                                 ENDED MARCH 31,                     YEAR ENDED DECEMBER 31,
                            ----------------------  ----------------------------------------------------------
                                 1995      1994        1994        1993         1992        1991       1990
                                 ----      ----        ----        ----         ----        ----       ----

                                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<S>                         <C>         <C>         <C>         <C>         <C>         <C>         <C>
KEYSTONE
Earnings
  Net interest income.....  $   49,726  $   45,174  $  188,418  $  182,510  $  177,927  $  163,734  $  155,726
  Provision for            
    credit losses.........       2,084       1,642       9,484       7,940      16,053      16,323      15,107
  Net income..............      14,656      14,046      51,359      51,349      45,742      40,268      37,720
 
Per Share
  Net income..............  $     0.63  $     0.60  $     2.20  $     2.20  $     1.99  $     1.77  $     1.66
  Dividends...............        0.34        0.32        1.30        1.19        1.10        1.02        0.91
   
Balances at Period End
  Assets..................  $4,679,942  $4,346,653  $4,706,000  $4,419,726  $4,311,779  $4,120,215  $4,041,232
  Deposits................   3,825,127   3,573,328   3,827,983   3,582,688   3,655,261   3,560,284   3,523,779
  Long-term debt..........       5,528       6,793       6,054       5,990       5,144       2,143       2,989
  Shareholders' equity....     424,632     411,289     407,774     412,880     378,314     348,143     327,092
   
SHAWNEE
Earnings
  Net interest income.....  $      721  $      731  $    3,083  $    3,036  $    2,833  $    2,437  $    2,101
  Provision for
  loan losses...........             0           0           0           0           0          50          27
  Net income..............         191         194         727         834         728         486         571
   
Per Share
  Net income..............  $     2.38  $     2.42  $     9.07  $    10.35  $     9.01  $     6.02  $     7.10
  Dividends...............          --          --        2.70        2.60        2.50        2.40        2.30
   
Balances at Period End
  Assets..................  $   71,209  $   72,935  $   69,951  $   72,392  $   68,671  $   61,721  $   58,905
  Deposits................      62,627      64,332      61,650      64,150      60,947      54,667      51,966
  Long-term debt..........          --          --          --          --          --          --          --
  Shareholders' equity....       8,053       7,603       7,581       7,306       6,719       6,193       5,886
  </TABLE>

                                      -x-
<PAGE>
 
COMPARATIVE PER SHARE DATA--(UNAUDITED)

      The following table sets forth for the periods indicated (i) historical
earnings, book values and dividends per share for Keystone Common Stock and (ii)
historical and equivalent comparative earnings and book values per share for
Shawnee Common Stock.  The addition of Shawnee would not have materially
affected Keystone's historical earnings and book values per share.  The
following data is based on the consolidated financial statements of Keystone
incorporated herein by reference and the consolidated financial statements of
Shawnee appearing elsewhere herein and should be read in conjunction with such
statements and the related notes.

<TABLE> 
<CAPTION> 
                                 THREE MONTHS
                                ENDED MARCH 31,             YEAR ENDED DECEMBER 31,
                               ----------------  ------------------------------------------
                                 1995    1994     1994      1993    1992      1991    1990
                                 ----    ----     ----      ----    ----      ----    ----
<S>                            <C>       <C>     <C>       <C>      <C>      <C>      <C>

NET INCOME PER COMMON SHARE
 
  Keystone Shareholders
    Keystone.................  $  0.63   $ 0.60  $  2.20   $ 2.20   $ 1.99   $ 1.77   $ 1.66
                                                                                      
  Shawnee Shareholders                                                                
    Shawnee..................  $  2.38   $ 2.42  $  9.07   $10.35   $ 9.01   $ 6.02   $ 7.10
    Shawnee equivalent (1)...     3.94     3.75    13.75    13.75    12.44    11.06    10.38
                                                                                      
BOOK VALUE PER COMMON SHARE                                                           
                                                                                      
  Keystone Shareholders                                                               
    Keystone.................  $ 18.06   $17.58  $ 17.46   $17.65   $16.29   $15.27   $14.41
                                                                                      
  Shawnee Shareholders                                                                
    Shawnee..................  $100.43   $94.82  $ 94.55   $91.11   $83.09   $76.58   $72.97
    Shawnee equivalent (1)...   112.88    --      109.13    --       --       --       --

CASH DIVIDENDS DECLARED PER
  COMMON SHARE (2)
 
  Keystone Shareholders
    Keystone.................  $  0.34   $ 0.32  $  1.30   $ 1.19   $ 1.10   $ 1.02   $ 0.91
                                                                                      
  Shawnee Shareholders                                                                
    Shawnee..................     --       --    $  2.70   $ 2.60   $ 2.50   $ 2.40   $ 2.30
    Shawnee equivalent (1)...  $  2.13   $ 2.00     8.13     7.44     6.88     6.38     5.69
</TABLE> 
_______________________

(1)  The Shawnee equivalent per share data represents the historical data of
     Keystone multiplied by the Merger exchange ratio of 6.25 shares of Keystone
     Common Stock for each share of Shawnee Common Stock.

(2)  While Keystone is not obligated to pay cash dividends, the Board of
     Directors presently intends to continue the policy of paying quarterly cash
     dividends.  Future dividends will depend, in part, upon the earnings and
     financial condition of Keystone.

                                     -xi-
<PAGE>
 
                           KEYSTONE FINANCIAL, INC.
                                      AND
                    SHAWNEE FINANCIAL SERVICES CORPORATION

                               ________________

                          PROXY STATEMENT/PROSPECTUS

                               ________________

                                 INTRODUCTION

      This Proxy Statement/Prospectus is furnished in connection with the
solicitation by the Board of Directors of Shawnee Financial Services Corporation
("Shawnee") of proxies to be voted at a Special Meeting of Shareholders of
Shawnee (the "Special Meeting") to be held on Tuesday, August 22, 1995 and at
any adjournment or adjournments thereof.  The Special Meeting will be held at
11:00 a.m., local time, at the Board Room of The Everett Bank, 115 East Main
Street, Everett, Pennsylvania.  The approximate date on which this Proxy
Statement/Prospectus will first be mailed to the shareholders of Shawnee is July
19, 1995.


RECORD DATE; VOTING RIGHTS

      The Board of Directors of Shawnee has fixed the close of business on June
24, 1995 as the record date for determining the shareholders of Shawnee entitled
to notice of and to vote at the Special Meeting.  At that date, 80,184 shares of
Common Stock, par value $10.00 per share, of Shawnee ("Shawnee Common Stock")
were outstanding.  Each such share entitles its holder of record at the close of
business on the record date to one vote on each matter properly submitted to the
shareholders for action at the Special Meeting.  Shawnee does not have any other
outstanding class of capital stock.  On June 19, 1995, there were approximately
168 shareholders of record of Shawnee Common Stock.


PURPOSE OF THE SPECIAL MEETING

      At the Special Meeting, the shareholders of Shawnee will be asked to
consider and vote upon a proposal to approve an Agreement and Plan of
Reorganization and a related Agreement and Plan of Merger, each dated as of
January 5, 1995 (collectively, the "Plan of Merger"), between Shawnee and
Keystone Financial, Inc. ("Keystone").  As more fully described below under
"Plan of Merger," the Plan of Merger provides for a merger of Shawnee into
Keystone (the "Merger").  In the Merger, each outstanding share of Shawnee
Common Stock (other than shares subject to dissenters' rights) will be converted
into 6.25 shares of Keystone Common Stock.  It is contemplated that
simultaneously with or shortly following the Merger, Shawnee's subsidiary, The
Everett Bank ("Everett"), will be merged into Mid-State Bank and Trust Company
("Mid-State"), one of Keystone's operating bank subsidiaries.

      Shawnee has received an opinion of the investment banking firm of Berwind
Financial Group, L.P. that the terms of the Merger are fair to the shareholders
of Shawnee from a financial point of view.  See "Plan of Merger--Opinion of
Shawnee Financial Advisor."

      THE BOARD OF DIRECTORS OF SHAWNEE BELIEVES THAT THE MERGER IS IN THE BEST
INTERESTS OF THE SHAREHOLDERS OF SHAWNEE AND UNANIMOUSLY RECOMMENDS THAT SHAWNEE
SHAREHOLDERS VOTE TO APPROVE THE PLAN OF MERGER.
<PAGE>
 
VOTING AND REVOCATION OF PROXIES

      All properly executed proxies not theretofore revoked will be voted at the
Special Meeting or any adjournments thereof in accordance with the instructions
thereon.  Proxies containing no voting instructions will be voted in favor of
approval of the Plan of Merger.  As to any other matter brought before the
Special Meeting and submitted to a shareholder vote, proxies will be voted in
accordance with the judgment of the proxyholders named thereon.  However, the
proxy of any shareholder who votes against approval of the Plan of Merger will
not be used to vote in favor of any proposal to adjourn the Special Meeting in
the event Shawnee management wishes to adjourn the meeting in order to allow
time for the solicitation of additional votes to approve the transaction.

      A shareholder who has executed and returned a proxy may revoke it at any
time before it is voted by filing with the Secretary of Shawnee written notice
of such revocation or a later dated proxy or by attending the Special Meeting
and voting in person.  Attendance at the Special Meeting will not, of itself,
constitute a revocation of a proxy.


SOLICITATION OF PROXIES

      In addition to solicitation by mail, directors, officers and employees of
Shawnee may solicit proxies from the shareholders of Shawnee in person or by
telephone or otherwise.  No additional compensation will be paid for such
solicitation.  Brokerage houses, nominees, fiduciaries and other custodians will
be requested to forward proxy soliciting materials to beneficial owners of
shares held of record by them and will be reimbursed for their reasonable
expenses.  Shawnee will bear its own expenses in connection with the
solicitation of proxies for the Special Meeting, except that Keystone and
Shawnee will each pay 50% of the printing costs related to the solicitation of
proxies from Shawnee shareholders.  See "Plan of Merger--Expenses."  Shawnee
estimates that its out-of-pocket expenses in connection with the solicitation of
proxies for the Special Meeting will be approximately $5,500, including 50% of
total printing costs estimated at $9,000.


                                PLAN OF MERGER
                                        
      This section of the Proxy Statement/Prospectus describes the material
terms of the Plan of Merger.  The following description does not purport to be
complete and is qualified in its entirety by reference to the Plan of Merger,
which has been filed with the SEC as an exhibit to the Registration Statement.
The Plan of Merger is incorporated in this Proxy Statement/Prospectus by
reference to such filing and is available upon request.  See "Available
Information."


THE MERGER

      The Plan of Merger provides for a merger of Keystone and Shawnee in which
Keystone will be the surviving corporation.  As a result of the Merger, Keystone
will acquire all of the assets and liabilities of Shawnee, and Shawnee will
cease to exist as a separate corporation.

      In the Merger, the shareholders of Shawnee will become shareholders of
Keystone.  Each of the approximately 80,184 outstanding shares of Shawnee Common
Stock (other than shares subject to dissenters' rights) will be converted into
6.25 shares of Keystone Common Stock, with cash to be paid in lieu of any
fractional share.  See "Conversion of Shawnee Shares."

      Keystone is a bank holding company with its principal executive offices in
Harrisburg, Pennsylvania.  The principal subsidiaries of Keystone are Mid-State,
Altoona, Pennsylvania; Pennsylvania National Bank and Trust Company, Pottsville,
Pennsylvania; Northern Central Bank, Williamsport, Pennsylvania; The Frankford
Bank, N.A., Horsham, Pennsylvania; American Trust Bank, Cumberland, Maryland;
and American Trust Bank of West  

                                      -2-
<PAGE>
 
Virginia, Inc., Keyser, West Virginia. Keystone's bank subsidiaries operate a
combined total of 140 banking offices in central and southeastern Pennsylvania,
western Maryland and northeastern West Virginia. See "Summary--The Parties--
Keystone" and "Keystone Documents Incorporated by Reference."

      Shawnee is a bank holding company with its principal executive offices in
Everett, Pennsylvania.  Shawnee's sole subsidiary is Everett, which has four
banking offices in Bedford County in central Pennsylvania.  See "Business of
Shawnee."

      It is contemplated that simultaneously with or shortly following the
Merger of Shawnee and Keystone, Everett, Shawnee's bank subsidiary, will be
merged into Mid-State, one of Keystone's bank subsidiaries (the "Bank Merger").
The Bank Merger is conditioned upon the prior or simultaneous consummation of
the Merger of Shawnee and Keystone.  While the Merger of Shawnee and Keystone is
not conditioned upon consummation of the Bank Merger, it is a waivable condition
to Keystone's obligations to consummate the Merger that the regulatory approvals
required for the Bank Merger shall have been received.  See "Conditions to the
Merger."


BACKGROUND OF AND REASONS FOR THE MERGER

      Shawnee.  In the view of Shawnee's management, the past several years have
been a period of substantial and rapid change in the banking industry in
general.  Recent changes in federal and state banking laws and regulations have
had a major impact upon the banking industry in Pennsylvania and throughout the
United States.  In response to these changes, many mergers and consolidations
involving banks and bank holding companies have occurred.  Further merger
activity is likely to occur in the future, resulting in increased concentration
levels in banking markets and other significant changes in the competitive
environment.  These changes are expected to intensify competition in local and
regional banking markets. In addition, recent changes in banking laws have
significantly increased the severity and complexity of banking regulations, as
well as increasing the costs that banks must incur in complying with those
regulations.  With these considerations in mind, the Board of Directors began to
consider its future course of action in early 1994.

      During the spring of 1994, representatives of Keystone approached
Shawnee's senior management to indicate Keystone's interest in pursuing a
possible acquisition of Shawnee.  A series of initial contacts and preliminary
discussions ensued over the next few months, and in June of 1994 Keystone made a
preliminary overture to acquire Shawnee.  Although no definitive decision had
been made by the Board to sell the company at that time, Shawnee's Board decided
it would be appropriate to retain legal and financial advisors to assist it in
the evaluation of the Keystone proposal and other strategic options.

      In mid-October 1994, Shawnee retained the investment banking firm of
Berwind Financial Group, L.P. ("Berwind"), to act as its financial advisor in
connection with any possible transaction with Keystone.  Berwind has extensive
experience in representing buyers and sellers in commercial transactions, with a
particular expertise in the banking industry.  Berwind evaluated the business
and prospects of Shawnee over the next several months, engaged in discussions
with senior management about the same, and prepared an analysis of Shawnee to be
presented to the Board.  In addition, upon the receipt of a more definitive
offer from Keystone in November 1994, Berwind also prepared a preliminary
analysis of this offer.

      The Keystone offer made on November 22, 1994 proposed a tax-free exchange
of shares whereby 5.849 shares of Keystone stock would be tendered for each one
share of Shawnee stock outstanding.  It also stated Keystone's intention to
attempt to provide employment opportunity to as many of the bank's employees as
possible, consistent with the previous discussions between the parties.  At
Keystone's closing stock price on November 22, 1994, the aggregate value of the
consideration offered to Shawnee's shareholders was $13,835,388.

      At a meeting of the Shawnee Board of Directors held on December 8, 1994,
Shawnee's senior management provided its Board of Directors with reports on the
status of the discussions with Keystone, including a discussion of the November
22 proposal.  Also, Berwind made detailed presentations regarding the financial
consequences of  

                                      -3-
<PAGE>
 
Shawnee remaining as an independent financial institution or affiliating with a
larger bank holding company, such as Keystone. Substantial information was
provided to the Shawnee Board of Directors regarding the likely future value of
Shawnee's common stock under these different scenarios.

      In addition, evaluating only publicly available information, Berwind
discussed with the Shawnee Board the financial condition and operations of
Keystone and, in general, other large bank holding companies that might have an
interest in making an acquisition in Shawnee's market, and the terms of other
recent, comparable transactions.  At the conclusion of the December 8th meeting,
the Shawnee Board of Directors authorized Berwind to negotiate on its behalf
with a view towards obtaining a higher price per share than that presented in
the November 22 proposal (5.849 shares of Keystone) while maintaining the
Board's interest in protecting its employees and other constituencies.

      Although not prohibited by Keystone from doing so, the Board did not want
to contact other potential acquirors before fully exploring a transaction with
Keystone because the Board believed that managerially, operationally and
financially Keystone was a very attractive merger partner.  Further, the Board
believed that there was no guarantee that the Keystone offer (if revised
upward), would not be withdrawn or subsequently reduced if such a revised offer
was rejected or delayed.

      At the December 13, 1994 Board meeting, Berwind communicated to the Board
of Directors that it was able to achieve an increase in the consideration
offered per share from 5.849 shares of Keystone for each share of Shawnee to
6.25 shares of Keystone for each share of Shawnee common stock. Keystone's
increased offer was conditioned upon Shawnee's agreeing to begin the negotiation
of a definitive merger agreement.  Berwind advised that this offer was also
subject to Keystone's performing a due diligence review on Shawnee and Shawnee
engaging in a similar due diligence review of Keystone.  Due diligence refers to
the process where legal and financial representatives from each party review the
books and records of the other party. Thereafter, the Board authorized its
attorneys to negotiate with Keystone with a view toward reaching a definitive
merger agreement that would address the legal, financial and social concerns of
the Board.

      Over the next few weeks, representatives of Keystone and Shawnee conducted
due diligence investigations of each others' respective operations and
negotiated the Plan of Merger.  Keystone also informed Shawnee that, as a
condition to Keystone's executing the Plan of Merger, Keystone would require the
execution by Shawnee of the Warrant Agreement, thereby giving Keystone the
ability to protect the benefit of its bargain in the event another acquiror
would pay a higher price for Shawnee and the Board of Shawnee would accept such
an offer.  The Warrant Agreement permits Keystone, under certain circumstances,
to acquire up to 19.9% of the shares of Shawnee at a price of $182.81 per share
(see "Plan of Merger--Warrant Agreement").

      Shawnee has been contacted periodically by other banking institutions
which have expressed an interest in a possible merger.  Since beginning its
discussions with Keystone last year, three bank holding companies have indicated
orally a preliminary interest, and one bank holding company has expressed such
an interest by means of a letter.  Only one of these bank holding companies was
larger in asset size than Keystone.  No oral or written offer was made by any of
such parties, and Shawnee did not pursue any further contact with these parties.

      On January 5, 1995, the Shawnee Board of Directors met to consider
Keystone's acquisition proposal, including the Plan of Merger and the Warrant
Agreement.  Attorneys from the law firm of Buchanan Ingersoll discussed with the
Board of Directors the legal ramifications of the provisions of the merger
agreements.  Berwind made a detailed presentation regarding the proposal and the
alternatives available to Shawnee, and compared the terms of the Keystone
proposal to the terms of other comparable transactions.  After the
presentations, the financial advisor gave the opinion that, from a financial
point of view, the offer from Keystone was fair to Shawnee and its shareholders.
At Keystone's closing stock price on January 5, 1995, the aggregate value of the
consideration offered to Shawnee's shareholders was $14,846,569.  For a detailed
discussion of the analysis underlying the financial advisor's fairness opinion,
see "Plan of Merger--Opinion of Shawnee Financial Advisor."  Then, after
extensive discussion and consideration, the Board of Directors unanimously voted
to accept the Keystone proposal and approve the Plan of Merger and the Warrant
Agreement.

                                      -4-
<PAGE>
 
      In reaching its determination to approve the Plan of Merger and the
Warrant Agreement, the Shawnee Board of Directors considered a variety of
factors, including:

(1)   The consideration offered by Keystone in the Plan of Merger in relation to
      the market value, book value and earnings per share of Shawnee on an
      historical basis;
    
(2)   Shawnee's business, results of operations, financial position and
      prospects for its remaining independent in a rapidly consolidating
      industry;
    
(3)   The management, business, results of operations and financial condition of
      Keystone, which the Board believes will serve the interests of its
      shareholders, its employees and the community served by Shawnee after the
      Merger;
    
(4)   The current and historical dividends paid on Shawnee Common Stock and
      Keystone Common Stock and the significant increase in dividends per year
      which would result to Shawnee's shareholders from the Merger;
    
(5)   The expectation that the Merger will be a tax-free transaction to Shawnee
      shareholders;
    
(6)   The financial terms of other recent business combinations in the banking
      industry;
    
(7)   The financial advice rendered by Berwind, including its opinion to the
      effect that the exchange ratio contemplated by the Plan of Merger is fair
      from a financial point of view to Shawnee shareholders;
    
(8)   The overall terms of the Plan of Merger, which provided protections for
      the employees of Shawnee;
    
(9)   The overall business environment in the banking industry, including
      increased competition from larger banks which offer a more diversified
      portfolio of products and services and the costs of complying with
      increasingly complex federal and state banking regulation; and
    
(10)  The benefit to shareholders of Shawnee by providing them with equity
      ownership in a larger, publicly traded banking organization and, thereby,
      increasing the liquidity of their investment.

      The Board considered factors (1), (4), (5) and (6) of great importance as
a means to enhance its shareholders' value over the short, intermediate, and
long-term.  The Board also believed that factors (3) and (8) were very
significant because it hoped that the bank would be able to provide employment
and serve its community into the future.  Other than the presentation made by
Berwind, which provided certain quantifications with respect to recent,
comparable transactions, the Board did not independently quantify, or assign
weightings to any of the 10 reasons listed above.  Further, no negative factors
were expressed by the Board with respect to the transaction with Keystone.

      The Board also considered that the directors of Shawnee, a Pennsylvania
corporation, were entitled by statute to consider other factors, in addition to
the maximization of shareholder value, in a change of control transaction.
These considerations included, but were not limited to, the effect on employment
of bank personnel and the effect on the community served by the corporation.

      The Board of Directors of Shawnee believes that the terms of the proposed
Merger are fair to and in the best interests of Shawnee and its shareholders.
Shawnee's Board of Directors also believes that the Merger will significantly
enhance the ability of Shawnee's offices to satisfy the financial needs of its
present customers and the communities served.  FOR THESE REASONS, THE BOARD OF
DIRECTORS UNANIMOUSLY RECOMMENDS THAT SHAWNEE SHAREHOLDERS VOTE TO APPROVE THE
MERGER OF SHAWNEE INTO KEYSTONE.

                                      -5-
<PAGE>
 
      Keystone.  For Keystone, the Merger is part of a continuing search for
areas in which to expand its existing franchise.  The central part of
Pennsylvania is historically Keystone's primary market area.  Keystone views
this area as an attractive market and one with which it is familiar.  The
territory served by Everett provides a bridge between the market areas of Mid-
State and American Trust Bank, Keystone's subsidiary headquartered in
Cumberland, Maryland.  Keystone views the addition of Everett's offices to Mid-
State as a natural extension of Mid-State's market which provides Mid-State a
means of better serving the agricultural market in eastern Bedford County.
Keystone also believes Mid-State can better serve this market's larger
commercial customers through the acquisition of Everett because it can provide
these customers with financial products and services which Everett has been
unable to provide.  Finally, Keystone believes the expansion of its market by
means of the Merger will result in increased efficiency and cost savings in the
delivery of financial services.  There were not any particular negative factors
considered important by Keystone in its evaluation of the Merger.


REQUIRED VOTE; MANAGEMENT RECOMMENDATION

      Approval of the Plan of Merger requires the affirmative votes of the
holders of at least 75% of the outstanding shares of Shawnee Common Stock,
voting in person or by proxy at the Shawnee Special Meeting.  BECAUSE SHAWNEE
SHAREHOLDER APPROVAL REQUIRES THE AFFIRMATIVE VOTES OF 75% OF ALL OUTSTANDING
SHAWNEE SHARES, A FAILURE TO VOTE, AN ABSTENTION OR A BROKER NON-VOTE WILL HAVE
THE SAME LEGAL EFFECT AS A VOTE BY A SHAWNEE SHAREHOLDER AGAINST APPROVAL OF THE
PLAN OF MERGER.  THE BOARD OF DIRECTORS OF SHAWNEE UNANIMOUSLY RECOMMENDS THAT
SHAWNEE SHAREHOLDERS VOTE "FOR" APPROVAL OF THE PLAN OF MERGER.

      The Board of Directors of Keystone has approved the Plan of Merger, and
under the Pennsylvania Business Corporation Law no approval of the Plan of
Merger by the shareholders of Keystone is required.


VOTING AGREEMENTS

      In connection with the Plan of Merger, the directors and executive
officers of Shawnee have entered into agreements to vote certain shares of
Shawnee Common Stock beneficially owned by them in favor of the Merger.  The
directors and executive officers of Shawnee have agreed with Keystone that they
will vote in favor of the Merger all shares of Shawnee Common Stock owned by
them as individuals or (to the extent of their proportionate voting interest)
jointly with other persons, and that they will use their best efforts to cause
any other shares of Shawnee Common Stock over which they have or share voting
power to be voted in favor of the Merger.  In the aggregate, these agreements
commit 17,105 shares of Shawnee Common Stock (21.33% of the outstanding shares)
to be voted in favor of the Merger.

      The agreements further provide that with respect to shares of Shawnee
Common Stock owned by the Shawnee directors and executive officers as
individuals or (to the extent of the director's or executive officer's
proportionate voting interest) jointly with other persons (collectively,
"Shares"), the directors and executive officers will not until the Merger has
been consummated or the Plan of Merger has been terminated:  (1) vote Shares in
favor of any other merger or transaction which would have the effect of a person
other than Keystone or an affiliate acquiring control of Shawnee or Everett or
(2) sell or otherwise transfer Shares (i) pursuant to any tender offer or
similar proposal made by a person other than Keystone or an affiliate, (ii) to
any person other than Keystone or an affiliate seeking to obtain control of
Shawnee or Everett or (iii) for the principal purpose of avoiding the director's
or executive officer's obligations under the agreement.  The agreements define
"control" as the ability to (1) direct the voting of 10% or more of the shares
eligible to vote in an election of directors or (2) direct the management and
policies of Shawnee or Everett.

      The agreements are applicable to the directors or executive officers only
in their capacities as shareholders and do not affect the exercise of their
responsibilities as directors or executive officers.  The agreements also do not
apply to any shares of Shawnee Common Stock held by a director or executive
officer as a trustee or other  

                                      -6-
<PAGE>
 
fiduciary. No monetary or other compensation was paid to any Shawnee director or
executive officer for entering into these agreements.

      The foregoing is a summary of the material terms of the voting agreements.
The form of these agreements has been filed with the SEC as an exhibit to the
Registration Statement.  Such form is incorporated herein by reference, and the
foregoing summary of the agreements is qualified in its entirety by reference to
such filing.


TRUST DEPARTMENT SHARES

      The Trust Department of Mid-State, a wholly owned Keystone subsidiary,
acting in a fiduciary capacity, has voting power over 6,708 shares of Shawnee
Common Stock, representing 8.37% of the outstanding shares.  It is anticipated
that these shares will be voted in favor of approval of the Plan of Merger.  See
"Information Concerning Shawnee--Certain Beneficial Owners of Shawnee Common
Stock."


OPINION OF SHAWNEE FINANCIAL ADVISOR

      Shawnee has retained Berwind to act as its financial advisor and to render
a fairness opinion in connection with the Merger.  Berwind has rendered its
opinion to the Board of Directors of Shawnee that, based upon and subject to the
various considerations set forth therein, as of January 5, 1995, and as of June
30, 1995, the Merger is fair, from a financial point of view, to the holders of
Shawnee Common Stock.

      The full text of Berwind's opinion as of June 30, 1995, which sets forth
the assumptions made, matters considered and limitations of the review
undertaken, is attached as Annex I to this Proxy Statement/Prospectus and should
be read in its entirety in connection with this Proxy Statement/Prospectus.
This section of the Proxy Statement/Prospectus sets forth the material terms of
Berwind's opinion; however, the summary of the opinion of Berwind set forth
herein is qualified in its entirety by reference to the full text of such
opinion attached as Annex I to this Proxy Statement/Prospectus.

      Shawnee retained Berwind to act as Shawnee's financial advisor in
connection with the Merger. Berwind was selected to act as Shawnee's financial
advisor based upon its qualifications, expertise and experience.  Berwind has
knowledge of, and experience with, Pennsylvania banking markets and banking
organizations operating in those markets and was selected by Shawnee because of
its knowledge of, experience with, and reputation in the financial services
industry.

      In such capacity, Berwind participated in the negotiations with respect to
the pricing and other terms of the Merger, but the decision with respect to the
Merger exchange ratio was determined by Shawnee in the process of its
negotiations with Keystone.  On January 5, 1995, Shawnee's Board of Directors
approved and executed the Plan of Merger.  Berwind delivered an opinion (the
January Opinion) to Shawnee's Board stating that, as of such date, the Merger
was fair to the shareholders of Shawnee from a financial point of view.  Berwind
reached the same opinion as of June 30, 1995.  The full text of the opinion of
Berwind dated as of June 30, 1995, which sets forth assumptions made, matters
considered and limits on the review undertaken (the Proxy Opinion), is attached
as Annex I to this Proxy Statement/Prospectus.  No limitations were imposed by
Shawnee's Board of Directors upon Berwind with respect to the investigations
made or procedures followed by Berwind in rendering the January Opinion or the
Proxy Opinion.

      In rendering its Proxy Opinion, Berwind:  (i) reviewed the historical
financial performances, current financial positions and general prospects of
Shawnee and Keystone, (ii) reviewed the Plan of Merger, (iii) reviewed and
analyzed the stock market performance of Keystone, (iv) studied and analyzed the
consolidated financial and operating data of Shawnee and Keystone, (v)
considered the terms and conditions of the proposed Merger between Shawnee and
Keystone as compared with the terms and conditions of comparable bank mergers
and acquisitions, (vi) met and/or communicated with certain members of Shawnee's
and Keystone's senior management to discuss  

                                      -7-
<PAGE>
 
their respective operations, historical financial statements and future
prospects and (vii) conducted such other financial analyses, studies and
investigations as it deemed appropriate.

      Berwind relied without independent verification upon the accuracy and
completeness of all of the financial and other information reviewed by and
discussed with it for purposes of its opinion.  With respect to Shawnee's
financial forecasts reviewed by Berwind in rendering its opinion, Berwind
assumed that such financial forecasts were reasonably prepared on bases
reflecting the best currently available estimates and judgments of the
management of Shawnee as to the future financial performance of Shawnee.
Shawnee's senior management reviewed for accuracy and completeness all
information concerning Shawnee, including any forecasts, provided to Berwind.
Berwind did not make an independent evaluation or appraisal of the assets
(including loans) or liabilities of Shawnee or Keystone, nor was it furnished
with any such appraisal.  Berwind also did not independently verify and has
relied on and assumed that all allowances for loan and lease losses set forth in
the balance sheets of Shawnee and Keystone were adequate and complied fully with
applicable law, regulatory policy and sound banking practice as of the date of
such financial statements.

      The following is a summary of selected analyses prepared by Berwind and
presented to Shawnee's Board in connection with the January Opinion and analyzed
by Berwind in connection with the January and Proxy Opinions.

      The data presented herein, including certain financial ratios, were
extracted from call report information for The Everett Bank and its peer group
of banks.  Therefore, comparison ratios derived from this data may
insignificantly differ from Shawnee consolidated financial information presented
elsewhere in this Proxy Statement/Prospectus because of modest differences
between the Shawnee consolidated financial statements and those pertaining
solely to The Everett Bank.

      Comparable Companies and Comparable Acquisition Transaction Analyses.
Berwind compared selected financial and operating data for The Everett Bank with
those of a peer group of selected banks and bank holding companies with assets
between $50 million and $100 million, as of the most recent financial period
publicly available, located in Pennsylvania (49 banks).  Financial data and
operating ratios compared in the analysis of the Everett peer group included but
were not limited to:  return on average assets, return on average equity,
shareholders' equity to assets ratio and certain asset quality ratios.  The
analysis showed Everett's return on average assets was 1.11% compared to the
peer group median of 1.02%, its return on average equity was 10.75% compared to
a peer group median of 10.50%, its equity as a percentage of assets was 10.11%
versus the peer group median of 9.13%, its nonperforming assets as a percentage
of loans and other real estate owned was 0.55% compared to the peer group median
of 1.15%, its nonperforming assets as a percentage of equity plus loan loss
reserve was 2.86% compared to the peer group median of 7.61% and its loan loss
reserve as a percentage of nonperforming assets was 85.98% compared to 106.30%.

      Berwind also compared selected financial, operating and stock market data
for Keystone with those of a peer group of selected commercial banking companies
with assets between $2.5 billion and $6 billion, as of the most recent period
publicly available, located in Delaware, Maryland, New Jersey, New York, Ohio,
Pennsylvania and West Virginia (12 banks).  Financial, operating and stock
market data, ratios and multiples compared in the analysis of the Keystone peer
group included but were not limited to:  return on average assets, return on
average equity, shareholders' equity to asset ratios, certain asset quality
ratios, price to book value, price to tangible book value, price to earnings
(latest twelve months) and dividend yield.  The analysis showed Keystone's
return on average assets was 1.15% compared to the peer group median of 1.26%,
its return on average equity was 12.67% compared to a peer group median of
13.34%, its shareholders' equity as a percentage of assets was 9.07% versus the
peer group median of 8.77%, its nonperforming assets as a percentage of loans
and other real estate owned was 0.79% compared to the peer group median of
1.06%, its nonperforming assets as a percentage of shareholders' equity plus
loan loss reserve was 5.48% compared to the peer group median of 6.16% and its
loan loss reserve as a percentage of nonperforming assets was 168.04% compared
to 182.42%.

                                      -8-
<PAGE>
 
      In addition, the analysis showed that Keystone's price per share ($28.1875
on the date of the Proxy Opinion) as a percentage of book value per share was
156.08% compared to the peer group median of 163.08%, its price per share as a
percentage of tangible book value was 160.43% compared to the peer group median
of 171.90% and its price per share as a multiple of latest twelve months
earnings per share of 12.6 compared to the peer group median of 12.3 times.

      Berwind also compared the multiples of book value, tangible book value and
latest twelve months earnings inherent to the Merger with the multiples paid in
recent acquisitions of banks and bank holding companies that Berwind deemed
comparable.  These ratios are generally considered significant by analysts when
evaluating a bank acquisition transaction.  The transactions deemed comparable
by Berwind included both interstate and intrastate acquisitions announced since
June 1, 1994, in which the selling institution's assets were between $50 million
and $100 million.

      Berwind compared eighty-two transactions located throughout the country
and analyzed those transactions in three groups: a national group (82 banks), a
regional group (14 banks) and a performance group (28 banks).  The national
group included transactions throughout the United States; the regional group
included transactions in Maryland, New Jersey, Pennsylvania, Virginia and West
Virginia; and the performance group included transactions involving banks with
year-to-date return on average assets greater than 0.75% and less than 1.25%.
The median values calculated for price per share as a percentage of book value
per share were 166.59%, 176.32% and 168.86% for the national, regional and
performance group, respectively; the range of price per share as a percentage of
tangible book value per share was 166.59%, 176.32% and 168.86% for the national,
regional and performance group, respectively; and the range of the price per
share as a multiple of latest twelve months earnings per share was 14.2, 17.0
and 16.8 times earnings for the national, regional and performance group,
respectively.

      These medians compare to the Merger's price per share as a percentage of
book value per share, price per share as a percentage of tangible book value per
share, and price per share as a multiple of latest twelve months earnings per
share of 175.41%, 175.41% and 19.5 times, respectively.  No company or
transaction, however, used in this analysis is identical to Shawnee, Keystone or
the Merger. Accordingly, an analysis of the result of the foregoing is not
mathematical; rather, it involves complex considerations and judgments
concerning differences in financial and operating characteristics of the
companies and other factors that would affect the public trading values of the
companies or company to which they are being compared.

      Discounted Dividend Analyses.  Using discounted dividend analyses, Berwind
estimated the present value of the future dividend streams that Shawnee could
produce over a five-year period under different assumptions as to dividend pay
out levels, if Shawnee performed in accordance with various earnings growth
forecasts.  Berwind also estimated the ending value for Shawnee's Common Stock
after the five-year period by applying a range of earnings multiples from 8 to
12 to Shawnee's terminal year earnings.  The range of multiples used reflected a
variety of scenarios regarding the growth and profitability prospects of
Shawnee.  The dividend streams and terminal values were then discounted to
present value using discount rates ranging from 10% to 20%, reflecting different
assumptions regarding the rates of return required by holders or prospective
buyers of Shawnee's Common Stock.  This analysis is generally considered
significant by analysts in that it provides an estimate of the value of the bank
if it were to remain independent under various earnings and dividends scenarios.
The range of present values per fully diluted share of Shawnee Common Stock
resulting from these assumptions was $44 to $93 if earnings per share and
dividends grow at 2.5% per annum; $49 to $105 at assumed growth rates of 5%; and
$55 to $117 at assumed rates of growth of 7.5% per annum.

      Pro Forma Contribution Analysis.  Berwind analyzed the changes in the
amount of earnings, book value and dividends represented by one share of Shawnee
Common Stock prior to the Merger and 6.25 shares of Keystone Common Stock after
the Merger.  The analysis considered, among other things, the changes that the
Merger would cause to Shawnee's 1994 earnings per share, book value per share
and indicated dividends.  On a per share equivalent basis, Shawnee's earnings
per share increase 50% from $9.07 to $13.64, its tangible book value per share
increases 12% from $94.55 to $105.70 and its dividend per share increases 215%
from $2.70 to $8.50 per share.  In reviewing the pro forma combined earnings,
equity and assets of Keystone based on the Merger with  

                                      -9-
<PAGE>
 
Shawnee, Berwind analyzed the contribution that Shawnee would have made to the
combined company's earnings, equity and assets as of and for the period ended
December 31, 1994. Berwind also reviewed the percentage ownership that Shawnee's
stockholders would hold in the combined company.

      In connection with rendering its January Opinion and Proxy Opinion,
Berwind performed a variety of financial analyses.  Although the evaluation of
the fairness, from a financial point of view, of the consideration to be paid in
the Merger was to some extent a subjective one based on the experience and
judgment of Berwind and not merely the result of mathematical analysis of
financial data, Berwind principally relied on the previously discussed financial
valuation methodologies in its determinations. Berwind believes its analyses
must be considered as a whole and that selecting portions of such analyses and
factors considered by Berwind without considering all such analyses and factors
could create an incomplete view of the process underlying Berwind's opinion.  In
its analysis, Berwind made numerous assumptions with respect to business,
market, monetary and economic conditions, industry performance and other
matters, many of which are beyond Shawnee's and Keystone's control.  Any
estimates contained in Berwind's analyses are not necessarily indicative of
future results or values, which may be significantly more or less favorable than
such estimates.

      In reaching its opinion as to fairness, none of the analyses performed by
Berwind was assigned a greater weighting by Berwind than any other analysis.  As
a result of its consideration of the aggregate of all factors present and
analyses performed, Berwind reached the conclusion, and opined, that terms of
the Merger as set forth in the Plan of Merger, are fair from a financial point
of view to Shawnee and its shareholders.

      In connection with delivering its Proxy Opinion, Berwind updated certain
analyses described above to reflect current market conditions and events
occurring since the date of the Plan of Merger.  Such reviews and updates led
Berwind to conclude that it was not necessary to change the conclusions it had
reached in connection with rendering the January Opinion.

      Berwind, as part of its investment banking business, is engaged regularly
in the valuation of assets, securities and companies in connection with various
types of asset and security transactions, including mergers, acquisitions,
private placements, and valuations for various other purposes and in the
determination of adequate consideration in such transactions.

      Berwind's Proxy Opinion was based solely upon the information available to
it and the economic, market and other circumstances as they existed as of the
date its Proxy Opinion was delivered; events occurring after the date of its
Proxy Opinion could materially affect the assumptions used in preparing its
Proxy Opinion.  Berwind has not undertaken to reaffirm and revise its Proxy
Opinion or otherwise comment upon any events occurring after the date thereof.

      In delivering its January Opinion and Proxy Opinion, Berwind assumed that
in the course of obtaining the necessary regulatory and governmental approvals
for the Merger, no restriction will be imposed on Keystone that would have a
material adverse effect on the contemplated benefits of the Merger.  Berwind
also assumed that there would not occur any change in applicable law or
regulation that would cause a material adverse change in the prospects or
operations of Keystone after the Merger.

      During Berwind's presentation, and upon its conclusion, Shawnee's Board
and its counsel asked questions to better understand the assumptions and
limitations of the methodologies employed by Berwind in its analyses.  Although
the Board relied upon the expertise of Berwind as to the assumptions employed by
Berwind, the Board made its own determination as to the reasonableness of
Berwind's analyses and as to the adequacy of the consideration offered by
Keystone.

      Pursuant to the terms of the engagement letter dated October 25, 1994,
Shawnee has paid Berwind $42,500 for acting as financial advisor in connection
with the Merger, including delivering its January and Proxy Opinions.  In
addition, Shawnee has agreed to pay Berwind approximately $29,000 upon the
consummation of the Merger and to reimburse Berwind for its reasonable out-of-
pocket expenses.  Whether or not the Merger is  

                                      -10-
<PAGE>
 
consummated, Shawnee has also agreed to indemnify Berwind and certain related
persons against certain liabilities relating to or arising out of its
engagement.

      The full text of the Proxy Opinion of Berwind as of June 30, 1995, which
set forth assumptions made and matters considered, is attached hereto as Annex I
to this Proxy Statement/Prospectus.  Shawnee's stockholders are urged to read
the Proxy Opinion in its entirety. Berwind's Proxy Opinion is directed only to
the consideration to be received by Shawnee stockholders in the Merger and does
not constitute a recommendation to any holder of Shawnee Common Stock as to how
such holder should vote at the Shawnee Special Meeting.

      THE ABOVE DISCUSSION SETS FORTH THE MATERIAL TERMS OF BERWIND'S PROXY
OPINION.  HOWEVER, THE FOREGOING PROVIDES ONLY A SUMMARY OF THE PROXY OPINION OF
BERWIND AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE FULL TEXT OF THAT
OPINION, WHICH IS SET FORTH IN ANNEX I TO THIS PROXY STATEMENT/PROSPECTUS.


CONVERSION OF SHAWNEE SHARES

      Exchange Ratio.  On the effective date of the Merger, each outstanding
share of Shawnee Common Stock (other than shares subject to dissenters' rights)
will be converted into 6.25 shares of Keystone Common Stock, with cash to be
paid in lieu of the issuance of any fractional share.  On July 13, 1995, the
closing sale price for Keystone Common Stock reported on the NASDAQ National
Market System was $30.00.

      Surrender of Certificates.  As promptly as practicable after the effective
date of the Merger, Keystone will send to each shareholder of record of Shawnee
immediately prior to the Merger a letter of transmittal containing instructions
on how to effect the exchange of Shawnee Common Stock certificates for
certificates representing the shares of Keystone Common Stock into which their
shares have been converted.  SHAWNEE SHAREHOLDERS SHOULD NOT SEND IN THEIR
CERTIFICATES UNTIL THEY RECEIVE SUCH WRITTEN INSTRUCTIONS.  However,
certificates should be surrendered promptly after instructions to do so are
received.

      Any dividends declared on Keystone Common Stock after the effective date
of the Merger will apply to all whole shares of Keystone Common Stock into which
shares of Shawnee Common Stock have been converted in the Merger.  However, no
former Shawnee shareholder will be entitled to receive any such dividend until
such shareholder's Shawnee Common Stock certificates have been surrendered for
exchange as provided in the letter of transmittal.  Upon such surrender, the
shareholder will be entitled to receive all such dividends payable on the whole
shares of Keystone Common Stock represented by the surrendered certificate or
certificates (without interest thereon and less the amount of taxes, if any,
which may have been imposed or paid thereon).

      Payment for Fractional Shares.  No fractional shares of Keystone Common
Stock will be issued in connection with the Merger.  Instead, each Shawnee
shareholder who surrenders for exchange Shawnee Common Stock certificates
representing a fraction of a share of Keystone Common Stock will be entitled to
receive, in addition to a certificate for the whole shares of Keystone Common
Stock represented by the surrendered certificates, cash in an amount equal to
such fractional part of a share multiplied by the value of $29.25 for one whole
share of Keystone Common Stock.

      Unexchanged Certificates.  On the effective date of the Merger, the stock
transfer books of Shawnee will be closed, and no further transfers of Shawnee
Common Stock will be made or recognized.  Certificates for Shawnee Common Stock
not surrendered for exchange will entitle the holder only to receive, upon
surrender as provided in the letter of transmittal, a certificate for the whole
shares of Keystone Common Stock represented by such certificates, plus payment
of any amount for a fractional share or dividends to which such holder is
entitled as outlined above.

                                      -11-
<PAGE>
 
      If the Merger becomes effective and any former Shawnee shareholder does
not surrender his or her Shawnee Common Stock certificates for exchange on or
before the second anniversary of the effective date, Keystone, at its option,
may at any time thereafter sell such shareholder's Keystone Common Stock without
notice to the shareholder.  After any such sale, the sole right of such
shareholder shall be to receive, upon surrender of the shareholder's Shawnee
Common Stock certificates, the net proceeds of the sale (without interest and
less the amount of any taxes which may have been imposed or paid thereon).

      Keystone Shareholder Rights Plan.  If no Distribution Date under
Keystone's shareholder rights plan (see "Comparison of Keystone Common Stock and
Shawnee Common Stock--Keystone Shareholder Rights Plan") shall have occurred
prior to the effective date of the Merger, then each share of Keystone Common
Stock issued in the Merger shall also evidence one Right under Keystone's
shareholder rights plan.  If the Distribution Date shall have occurred, then it
is a condition to the Merger that Keystone take one of the actions set forth
under "Conditions to the Merger" below.

      Adjustment of Exchange Ratio.  The Plan of Merger contains provisions for
the proportionate adjustment of the exchange ratio in the event of a stock
dividend, stock split, reclassification or similar event involving the Keystone
Common Stock or the Shawnee Common Stock which occurs prior to the Merger.
Although no such adjustments are anticipated, any such adjustment would be
proportionate and therefore would not decrease the value of the consideration
per preadjustment share of Shawnee Common Stock to be received by Shawnee
shareholders in the Merger.


TAX CONSEQUENCES TO SHAWNEE SHAREHOLDERS

      Federal Income Tax.  The Plan of Merger requires as a condition to the
Merger that each party receive a written opinion of counsel or of independent
public accountants that:

          (1)  The Merger will constitute a reorganization within the meaning of
      Section 368(a)(1)(A) of the Internal Revenue Code of 1986, as amended (the
      "Code"), and Keystone and Shawnee will each be a "party to a
      reorganization" within the meaning of Section 368(b) of the Code;

           (2)  No gain or loss will be recognized by Keystone or Shawnee as a
      result of the Merger;

           (3)  Except for cash received in lieu of fractional shares, no gain
      or loss will be recognized by holders of Shawnee Common Stock on the
      exchange of their shares for shares of Keystone Common Stock;

           (4)  The basis of the shares of Keystone Common Stock to be received
      by the shareholders of Shawnee will be the same as the basis of the shares
      of Shawnee Common Stock exchanged therefor; and

           (5)  The holding period of the shares of Keystone Common Stock
      received by the shareholders of Shawnee will include the period during
      which the Shawnee Common Stock exchanged therefor was held by the Shawnee
      shareholder, provided that the Shawnee Common Stock was held as a capital
      asset at the time of the exchange.


      No gain or loss for federal income tax purposes will be recognized by
shareholders of Shawnee on the exchange of their shares for whole shares of
Keystone Common Stock.  However, gain or loss will be recognized by Shawnee
shareholders upon the receipt of cash in payment for a fractional share.  To
compute the amount, if any, of such gain or loss, the cost or other basis of the
Shawnee Common Stock exchanged must be allocated proportionately to the total
number of shares of Keystone Common Stock received, including any fractional
share interest.  Gain or loss will be recognized measured by the difference
between the cash received and the basis of the fractional share interest as so
allocated.  Under Section 302(a) of the Code, any such gain or loss will
generally be  

                                      -12-
<PAGE>
 
entitled to capital gain or loss treatment if the Shawnee Common Stock was a
capital asset in the hands of the shareholder.

      If any shares of Keystone Common Stock received in the Merger are
subsequently sold, gain or loss on the sale should be computed by allocating the
cost or other basis of the Shawnee Common Stock exchanged in the Merger to the
shares sold in the manner described in the preceding paragraph.  The holding
period for the shares of Keystone Common Stock received in the Merger will
include the holding period for the shares of Shawnee Common Stock exchanged in
determining, for example, whether any such gain or loss is a long-term or short-
term capital gain or loss.

      Where a Shawnee shareholder exercises dissenters' rights and receives cash
in exchange for Shawnee Common Stock, the cash will be treated as received by
the shareholder as a distribution in redemption of the Shawnee Common Stock
subject to the provisions and limitations of Section 302 of the Code.  The cash
received by a dissenting Shawnee shareholder will be treated as if the shares
had been sold to Shawnee for the cash received and will generally be entitled to
capital gain or loss treatment under Section 302 of the Code, provided the
shares are a capital asset in the hands of the shareholder.  However, because
the ownership of shares by certain individuals related to the shareholder and by
certain partnerships, estates, trusts and corporations in which the shareholder
has an interest may have an adverse impact on the tax treatment of the cash
received by the shareholder and result in it being taxed as a dividend, a
Shawnee shareholder should consult with his own personal tax advisor as to the
federal, state and local tax consequences of exercising dissenters' rights.

      Pennsylvania Personal Income Tax.  No gain or loss for Pennsylvania
personal income tax purposes will be recognized by shareholders of Shawnee who
are subject to that tax on the receipt by them of whole shares of Keystone
Common Stock in exchange for their Shawnee Common Stock.  For Pennsylvania
personal income tax purposes, the tax basis for the Keystone Common Stock
received by Shawnee shareholders in the Merger (including any fractional share
interests to which they are entitled) will be the same as the basis of the
Shawnee Common Stock exchanged.  Cash received in lieu of a fractional share of
Keystone Common Stock will be treated and taxed as if the fractional share had
actually been received by the Shawnee shareholder and then immediately sold by
the shareholder to Keystone for the cash received.  Cash received by a Shawnee
shareholder exercising dissenters' rights will be treated as if the shareholder
had sold his or her shares to Shawnee for the cash received and will be taxed
accordingly.

      The foregoing is intended only as a summary of certain federal income tax
and Pennsylvania personal income tax consequences of the Merger under existing
law and regulations, as presently interpreted by judicial decisions and
administrative rulings, all of which are subject to change without notice, and
any such change might be retroactively applied to the Merger.  Among other
things, the summary does not address state income tax consequences in states
other than Pennsylvania or any local taxes.  Accordingly, it is recommended that
Shawnee shareholders consult their own tax advisors with specific reference to
their own tax situations and potential changes in the applicable law as to all
federal, state and local tax matters in connection with the Merger.


BOARDS OF DIRECTORS FOLLOWING THE MERGER

      No change will be made by reason of the Merger in the Board of Directors
of Keystone.  At the time the Bank Merger becomes effective, L. Frank Bittner,
currently Chairman of the Board of Directors of Shawnee, will be added to the
Board of Directors of Mid-State to serve for a term or terms expiring not less
than one year after the Merger.  The Board of Directors of Mid-State presently
consists of 19 directors.  If prior to the Merger Mr. Bittner becomes unable or
declines to serve as a director of Mid-State, Shawnee shall be entitled to
designate a substitute director acceptable to Keystone.

                                      -13-
<PAGE>
 
INTERESTS OF CERTAIN PERSONS IN THE TRANSACTION

      Arrangements with Shawnee Directors and Executive Officers.  As indicated
under the preceding caption, following the Merger L. Frank Bittner, currently
Chairman of the Board of Directors of Shawnee and Everett, will become a
director of Mid-State.  As a director of Mid-State, Mr. Bittner will receive the
same fees as other Mid-State directors.   Effective July 1, 1995, those fees
will consist of an annual retainer of $3,500, payable in shares of Keystone
Common Stock, plus $500 per Board meeting and $200 per Board Committee meeting
attended.  Chairmen of Board Committees receive an additional $500 annual
retainer, and directors who participate by telephone in Board or Board Committee
meetings receive $100 per meeting.

      Mid-State has indicated its intention to offer Samuel K. Bohn, the
President and a director of Shawnee and Everett, $50,000 per year for a two-year
period following the Merger to assist Mid-State in the post-Merger transition
and/or in return for a covenant not to compete.

      It is intended that following the Merger Ralphard L. Black, Vice President
of Shawnee and Executive Vice President of Everett, will be employed as a Vice
President of Mid-State.  There will be no change by reason of the Merger in Mr.
Black's salary, which is currently $65,000 per year.

      It is not intended that any of the remaining directors and executive
officers of Shawnee, none of whom are employees, will be retained by Keystone or
Mid-State following the Merger.  No severance or similar payments will be made
to such persons.

      Shawnee Directors' and Officers' Indemnification and Insurance.  Keystone
has agreed that following the Merger it will perform the obligations of Shawnee
under Shawnee's By-Laws concerning the indemnification of Shawnee's directors
and officers with respect to events occurring at or prior to the Merger and will
cause Mid-State to perform the obligations of Everett under its By-Laws
concerning the indemnification of the directors and officers of Everett with
respect to events occurring at or prior to the Bank Merger.  The By-Laws of
Shawnee generally require Shawnee to indemnify its directors and officers
against expenses, including attorneys' fees, judgments, fines and amounts paid
in settlement actually and reasonably incurred in connection with any civil,
criminal, administrative or investigative proceeding to which such person is a
party by reason of having served in such capacity if such person acted in good
faith and in a manner he reasonably believed to be in, or not opposed to, the
best interests of Shawnee and, in the case of any criminal proceeding, had no
reasonable cause to believe that his conduct was unlawful.  In the case of a
suit by or in the right of Shawnee, no indemnification may be made as to any
claim, issue or matter as to which the director or officer shall have been found
liable for misconduct in the performance of his duty to Shawnee.  The By-Laws of
Keystone and its subsidiaries contain similar provisions regarding the
indemnification of directors and officers.  The By-Laws of Everett provide that
directors and officers may be indemnified for reasonable expenses actually
incurred in connection with any proceeding to which such person is a party by
reason of having served in such capacity, except that no indemnification shall
be made as to any matter as to which such person is found to have been guilty of
or liable for gross neglect of duty or willful misconduct or to have committed
an act or failed to perform a duty for which there is a common law or statutory
liability, and no person shall be indemnified with respect to any matter which
has been the subject of a compromise settlement unless approved by the parent
holding company.

      Keystone has also agreed to use its best efforts to obtain a one-year tail
policy of directors' and officers' liability insurance for the directors and
officers of Shawnee and Everett with respect to events which occurred prior to
the Merger.  Such insurance is to be provided on terms substantially equivalent
to Shawnee's current directors' and officers' liability policy, which has a $6
million coverage limit, except that the maximum premium Keystone must pay for
such policy is limited to $20,000.  In addition, for claims made within three
years following the Merger and at a time when such tail policy is not in effect,
Keystone will indemnify the former directors and officers of Shawnee and Everett
against any claim or liability, whether or not indemnifiable under the By-Laws
of Shawnee or Everett, if and to the extent that such claim or liability would
have been covered under Shawnee's current policy of directors' and officers'
liability insurance if such policy were then in effect.

                                      -14-
<PAGE>
 
      Employee Matters.  The Plan of Merger provides that Keystone will consider
Everett employees for employment within the Keystone organization and that
following the Merger Keystone will permit Everett employees employed by Keystone
and its subsidiaries to participate on an equal basis with other similarly
situated employees in Keystone's internal open position posting and application
procedures.  Shawnee and Everett employees who become employees of Keystone and
its subsidiaries shall be provided employee benefits, including retirement,
health and welfare benefits, life insurance, incentive compensation and vacation
and severance arrangements, no less favorable than those provided to other
similarly situated employees.  With respect to group health benefits, Keystone
will waive any otherwise applicable waiting periods and preexisting conditions
if at the time of the Merger the employee was covered under a similar plan of
Shawnee.  Following the Merger, Keystone and Mid-State will perform the
respective obligations of Shawnee and Everett with respect to vested benefits
accrued through the date of the Merger under Everett's retirement and profit
sharing plans.


WARRANT AGREEMENT

      In connection with the Plan of Merger, Keystone and Shawnee have entered
into an Investment Agreement, and Shawnee has issued to Keystone a Warrant
thereunder (collectively, the "Warrant Agreement"), entitling Keystone to
purchase up to approximately 19.9% of Shawnee's outstanding Common Stock upon
the occurrence of certain events described below.  The Warrant Agreement covers
19,921 shares of Shawnee Common Stock at an exercise price of $182.81 per share.

      The Warrant Agreement is designed to compensate Keystone for its risks,
costs and expenses and the commitment of resources associated with the Plan of
Merger in the event the Merger is not consummated due to an attempt by a third
person to gain control of Shawnee.  See also "Expenses" below.  Keystone may not
exercise or sell its Warrant except upon (i) a willful breach by Shawnee of the
Plan of Merger, (ii) the failure of Shawnee's shareholders to approve the Plan
of Merger after the announcement by a third person of a bona fide proposal to
acquire 10% or more of the Shawnee Common Stock, to acquire, merge or
consolidate with Shawnee or to acquire substantially all of Shawnee's assets or
Everett, (iii) the acquisition by a third person of 1% or more of the
outstanding Shawnee Common Stock if after such acquisition such person would
beneficially own 10% or more of the Shawnee Common Stock, (iv) the commencement
by a third person of a tender offer or exchange offer which would result in
beneficial ownership of 10% or more of the Shawnee Common Stock or (v) the entry
by Shawnee into an agreement or understanding with a third person for the third
person to acquire, merge or consolidate with Shawnee or to acquire substantially
all of its assets or Everett (each of the foregoing is hereafter referred to as
a "Warrant Event").  No Warrant Event has occurred as of the date of this Proxy
Statement/Prospectus, and neither Keystone nor Shawnee is aware that any Warrant
Event is contemplated by any third person.  The Warrant Agreement may discourage
third persons from making competing offers to acquire Shawnee and is intended to
increase the likelihood that the Merger will be consummated in accordance with
the terms set forth in the Plan of Merger.

      If a Warrant Event occurs, Keystone may exercise the Warrant in whole or
in part or may sell or transfer all or part of the Warrant to other persons.
Under federal banking law, exercise of the Warrant by Keystone for more than 5%
of the outstanding Shawnee Common Stock would require approval of the Board of
Governors of the Federal Reserve System ("Federal Reserve Board").  Any sale of
the Warrant or of shares of Shawnee Common Stock purchased thereunder would be
subject to a right of first refusal by Shawnee unless sold in a public offering
registered under the Securities Act.  Shawnee agrees in the Warrant Agreement to
effect such registration if requested.

      Keystone may require Shawnee to redeem the Warrant or any shares of
Shawnee Common Stock purchased thereunder if (i) a third person acquires
beneficial ownership of 50% or more of the outstanding Shawnee Common Stock or
(ii) a third person acquires, merges or consolidates with Shawnee or acquires
substantially all of its assets or Everett (each of the foregoing is hereafter
referred to as a "Redemption Event").  In general, the per share redemption
price for the Warrant would be the higher of 10% of the exercise price or a per
share price based on the difference between the exercise price and the highest
price paid or agreed to be paid by the third person in  

                                      -15-
<PAGE>
 
connection with the Redemption Event. The per share redemption price for shares
of Shawnee Common Stock purchased under the Warrant would generally be the
higher of 110% of the exercise price or the highest price paid or agreed to be
paid by the third person in connection with the Redemption Event.

      The Warrant Agreement also contains provisions giving Shawnee the right to
repurchase shares of Shawnee Common Stock issued under the Warrant in certain
limited circumstances and provisions for issuance of a substitute Warrant to
purchase shares of the surviving or acquiring company in the event of a merger
or other acquisition of Shawnee or Everett.

      The foregoing description is a summary of the material terms of the
Warrant Agreement and does not purport to be complete.  It is qualified in its
entirety by reference to the Warrant Agreement, which has been filed with the
SEC as an exhibit to the Registration Statement.  The Warrant Agreement is
incorporated in this Proxy Statement/Prospectus by reference to such filing.


INCONSISTENT ACTIVITIES

      Shawnee has agreed in the Plan of Merger that unless and until the Merger
has been consummated or the Plan of Merger has been terminated in accordance
with its terms, Shawnee will not (i) solicit or encourage any proposals by a
third person to acquire more than 1% of the Shawnee Common Stock, any stock of
Everett or any significant portion of its or Everett's assets (whether by tender
offer, merger, purchase of assets or otherwise), (ii) afford a third party which
may be considering any such transaction access to its or Everett's properties,
books or records except as required by law, (iii) enter into any discussions,
negotiations, agreement or understanding for any such transaction or (iv)
authorize or permit any of its directors, officers, employees or agents to do
any of the foregoing.  Notwithstanding the foregoing, Shawnee may take an action
referred to in clause (ii) or (iii) of the previous sentence (or permit its
directors, officers, employees or agents to do so) if Shawnee's Board of
Directors, after consulting with counsel, determines that such actions should be
taken or permitted in the exercise of its fiduciary duties.  If Shawnee becomes
aware of any offer or proposed offer to acquire any shares of Shawnee or Everett
or any significant portion or its or Everett's assets, or of any other matter
which is reasonably likely to adversely affect the parties' ability to
consummate the Merger, Shawnee is required to give immediate notice thereof to
Keystone.


CONDUCT OF SHAWNEE BUSINESS PENDING THE MERGER

      Shawnee has agreed in the Plan of Merger that, pending consummation of the
Merger, Shawnee and Everett will conduct their businesses only in the ordinary
course and that, except as consented to by Keystone, Shawnee and Everett will
not, among other things, (i) issue, purchase or otherwise dispose of or acquire
any shares of their capital stock or grant any options or other rights to
acquire such stock; (ii) make certain changes in the compensation or benefits
payable to employees or enter into employment contracts; (iii) merge or
consolidate with, or acquire control over, any other corporation, bank or other
organization or acquire or dispose of any material assets outside the ordinary
course of business; (iv) make capital expenditures or lease assets in excess of
certain limits; or (v) make material changes to their lending or investment
policies.


SHAWNEE DIVIDEND LIMITATION

      Shawnee has agreed in the Plan of Merger that pending the Merger it will
not declare or pay dividends on the Shawnee Common Stock other than its regular
$2.70 per share dividend declared in 1994 ($0.25 per share declared June 14,
1994, payable July 1, 1994, and $2.45 per share declared December 13, 1994,
payable January 1, 1995).  In 1995, Shawnee has agreed not to declare or pay
dividends exceeding $2.70 per share over the twelve month period, and has
further agreed to prorate the dividend based on the $2.70 annual amount, with
the prorated dividend to be payable shortly prior to the Merger.

                                      -16-
<PAGE>
 
CONDITIONS TO THE MERGER

      In addition to shareholder approval, the Merger is contingent upon the
satisfaction of a number of other conditions, including (i) approval of the
Merger by the Federal Reserve Board and the Pennsylvania Department of Banking
without conditions deemed unduly burdensome by Keystone and the absence of any
suit by the United States to prohibit the Merger filed within the 30 days
following Federal Reserve Board approval, (ii) receipt of the tax opinion
described above (see "Tax Consequences"), (iii) receipt of the agreements of
Shawnee affiliates described below under "Restrictions on Resales by Shawnee
Affiliates" and (iv) the absence of any judicial or administrative order
prohibiting or adversely affecting the Merger or any pending or threatened
litigation or administrative proceeding challenging the Merger.  Keystone's
obligation to consummate the Merger is subject to the additional conditions that
the Bank Merger shall have been approved by the Federal Deposit Insurance
Corporation ("FDIC") and the Pennsylvania Department of Banking without
conditions deemed unduly burdensome by Keystone and that no suit to prohibit the
Bank Merger shall have been filed by the United States during the 30 days
following FDIC approval.  In addition, unless waived, each party's obligation to
consummate the Merger is subject to the performance by the other party of its
obligations under the Plan of Merger, the accuracy of the representations and
warranties of the other party contained therein and the receipt of certain
certificates and opinions from the other party and its counsel.  If the
Distribution Date under Keystone's shareholder rights plan (see "Comparison of
Keystone Common Stock and Shawnee Common Stock--Keystone Shareholder Rights
Plan") shall have occurred, then either (i) all Rights outstanding under the
plan (other than those which have become void) shall have been exchanged for
Keystone Common Stock and the ratio for converting Shawnee Common Stock into
Keystone Common Stock in the Merger shall have been proportionately adjusted as
provided in the Plan of Merger, (ii) all Rights outstanding under the plan shall
have been redeemed or (iii) Keystone shall have made provision for the issuance
of equivalent rights to the holders of Shawnee Common Stock upon consummation of
the Merger.


REPRESENTATIONS AND WARRANTIES

      The representations and warranties of Keystone and Shawnee contained in
the Plan of Merger relate, among other things, to the organization and good
standing of Keystone, Shawnee and their subsidiaries; the capitalization of
Keystone and Shawnee and ownership of their subsidiaries; the authorization by
Keystone and Shawnee of the Plan of Merger and the Warrant Agreement and the
absence of conflict with laws or other agreements; the accuracy and completeness
of the financial statements and other information furnished to the other party;
the absence of material adverse changes since December 31, 1994; the absence of
undisclosed litigation; compliance with laws; and the accuracy of this Proxy
Statement/Prospectus and of Keystone's Registration Statement of which it is a
part.  Additional representations and warranties by Shawnee concern payment of
taxes; title to properties; the absence of undisclosed equity investments,
employment contracts, employee benefit plans or material contracts; and the
absence of certain potential environmental liabilities.  None of the
representations and warranties contained in the Plan of Merger will survive the
consummation of the Merger.


AMENDMENT, WAIVER AND TERMINATION

      Notwithstanding prior shareholder approval, the Plan of Merger may be
amended in any respect by written agreement between the parties, except that
after shareholder approval no amendment may change the rate of exchange of
Shawnee Common Stock for Keystone Common Stock in the Merger or change the form
of such consideration.  Keystone or Shawnee may also (i) extend the time for
performance of any of the obligations of the other; (ii) waive any inaccuracies
in the representations and warranties of the other; (iii) waive compliance by
the other with any of its obligations under the Plan of Merger; and (iv) waive
any condition precedent to its obligations under the Plan of Merger other than
approval by the shareholders of Shawnee of the Plan of Merger, governmental
regulatory approvals required to consummate the Merger, securities registration
requirements incident to the issuance of Keystone Common Stock in the Merger,
the receipt of the tax opinions described above and the absence of any judicial
or administrative order prohibiting the Merger.

                                      -17-
<PAGE>
 
      Notwithstanding prior shareholder approval, the Plan of Merger may be
terminated without liability of either party at any time prior to effectiveness
of the Merger (i) by mutual consent of Keystone and Shawnee or (ii) by either
party in the event of (a) a material breach by the other party of a
representation and warranty or covenant which has not been cured within 30 days
after notice to the breaching party, (b) failure of the Shawnee shareholders to
approve the Plan of Merger at the Special Meeting, (c) a final judicial or
regulatory determination denying any regulatory approval required for the Merger
or imposing conditions or requirements which Keystone determines to be unduly
burdensome or (d) failure to satisfy prior to September 30, 1995 any condition
to its obligations to consummate the Merger, if such failure occurs despite the
good faith effort of the terminating party to perform all covenants and satisfy
all conditions required of it.  The deadline for satisfying the conditions to
the Merger will be extended to December 31, 1995 if the failure to satisfy such
conditions results from a delay in receiving Federal Reserve Board approval.

      Shawnee may terminate the Plan of Merger if (i) the average of the closing
bid prices for Keystone Common Stock on the NASDAQ National Market System for
the 10 consecutive trading days ending on the sixth trading day prior to the
closing date for the Merger (the "Valuation Period") shall be less than $24.86
(85% of the closing bid price on January 4, 1995) and (ii) the number obtained
by dividing such average Keystone bid price by $29.25 (the closing bid price on
January 4, 1995) is less than 85% of the number obtained by dividing the average
of the NASDAQ Combined Bank Index for the Valuation Period by 708.30 (such index
at January 4, 1995).


DISSENTERS' RIGHTS OF SHAWNEE SHAREHOLDERS

      A holder of shares of Shawnee Common Stock is entitled to exercise the
rights of a dissenting shareholder under Subchapter D of Chapter 15 ("Subchapter
D") of the Pennsylvania Business Corporation Law of 1988, as amended (the
"BCL"), to object to the Plan of Merger and make written demand that Shawnee or
Keystone, as the surviving corporation in the Merger, pay in cash the fair value
of the shares held as determined in accordance with such statutory provisions.
The following summary does not purport to be a complete statement of the
provisions of Subchapter D and is qualified in its entirety by reference to such
statutory provisions, which (together with Section 1930 of the BCL) are set
forth in full as Annex II to this Proxy Statement/Prospectus.

      A record holder of shares of Shawnee Common Stock may assert dissenters'
rights as to fewer than all such shares registered in his name only if he
dissents with respect to all the shares beneficially owned by any one person and
discloses the name and address of the person or persons on whose behalf he
dissents.

      A beneficial owner of shares of Shawnee Common Stock who is not the record
holder of such shares is entitled to assert dissenters' rights with respect to
shares held on his behalf only if he submits to Shawnee no later than the time
of the assertion of dissenters' rights a written consent of the record holder of
such shares.  A beneficial owner may not dissent with respect to less than all
shares of Shawnee Common Stock owned by him, whether or not the shares so owned
by him are registered in his name.

      In the event that a holder of shares of Shawnee Common Stock wishes to
dissent to the Plan of Merger and obtain payment of the fair value of his
shares, he must satisfy all the following conditions to acquire any right to
payment of the fair value of his shares under Subchapter D:

           (1)  He must file with Shawnee, prior to the vote on the Plan of
      Merger, a written notice of intention to demand that he be paid the fair
      value for his shares if the Plan of Merger is effectuated. Neither a proxy
      indicating a vote against, nor a vote in person against, the Plan of
      Merger shall constitute the written notice required.

           (2)  He must effect no change in the beneficial ownership of his
      shares from the date of filing such written notice continuously through
      the effective date of the Merger.

                                      -18-
<PAGE>
 
           (3)  He must not vote his shares in favor of the Plan of Merger.
      Neither an abstention from voting with respect to, nor failure to vote in
      person or by proxy against approval of, the Plan of Merger constitutes a
      waiver of the rights of a dissenting shareholder. However, a signed proxy
      that is returned without any instruction as to how the proxy should be
      voted will be voted in favor of approval of the Plan of Merger and will be
      deemed a waiver of the rights of a dissenting shareholder.

      A dissenter who fails in any of these respects shall not acquire any right
to payment of the fair value of his shares under Subchapter D.  Each written
notice of intention to demand payment must clearly state that the shareholder
intends to demand that he be paid the fair value of his shares if the Plan of
Merger is effectuated, must provide the name, address and telephone number of
the shareholder and should be sent to Shawnee Financial Services Corporation,
115 East Main Street, P.O. Box 149, Everett, Pennsylvania 15537, Attention:
Samuel K. Bohn, President.  A dissenting shareholder shall retain all other
rights of a Shawnee shareholder until those rights are modified by effectuation
of the Plan of Merger.

      If the Plan of Merger is approved by the shareholders of Shawnee by the
required vote at the Special Meeting, Shawnee or Keystone shall mail a notice to
all dissenters who gave due notice of intention to demand payment of the fair
value of their shares and who did not vote in favor of the Plan of Merger.  Such
notice shall:

          (1)  State where and when a demand for payment must be sent and
      certificates representing Shawnee shares must be deposited in order to
      obtain payment. The time set for receipt of the demand and deposit of
      shares shall be not less than 30 days from the mailing of the notice.

          (2)  Supply a form for demanding payment that includes a request for
      certification of the date on which the shareholder, or the person on whose
      behalf the shareholder dissents, acquired beneficial ownership of the
      shares.

          (3)  Be accompanied by a copy of Subchapter D.

      The dissenting shareholder must make written demand for payment of the
fair value of the shares with respect to which dissent is made and must deposit
certificates representing such shares in accordance with the terms of the notice
to demand payment sent by Shawnee or Keystone.  A shareholder who fails to
timely demand payment, or fails to timely deposit certificates, as required by
the notice to demand payment, shall not have any right under Subchapter D to
receive payment of the fair value of his shares.

      Within 60 days after the date set for demanding payment and depositing
certificates, if the Plan of Merger has not been effectuated, Shawnee or
Keystone shall return any certificates that have been deposited.  When deposited
certificates have been returned, Shawnee or Keystone may at any later time send
a new notice to demand payment, which will have a like effect as the original
notice.

      Promptly after effectuation of the Plan of Merger, or upon timely receipt
of demand for payment if the Plan of Merger has already been effectuated,
Keystone shall either remit to dissenters who have made demand and have
deposited their certificates the amount that Keystone estimates to be the fair
value of the shares, or shall give written notice that no remittance will be
made.  The remittance or notice shall be accompanied by:  (1) the closing
balance sheet and statement of income of Shawnee for the fiscal year ending not
more than 16 months before the date of remittance or notice, together with the
latest available interim financial statements; (2) a statement of Keystone's
estimate of the fair value of the shares; and (3) a notice of the right of the
dissenter to demand payment or supplemental payment, as the case may be,
accompanied by a copy of Subchapter D.  If Keystone does not remit the amount of
its estimate of the fair value of the shares, it shall return any certificates
that have been deposited.  Keystone may make a notation on any such certificates
that demand for payment has been made.

      If Keystone gives notice of its estimate of the fair value of the shares,
without remitting such amount, or remits payment of its estimate of the fair
value of a dissenter's shares and the dissenter believes that the amount  

                                      -19-
<PAGE>
 
stated or remitted is less than the fair value of his shares, the dissenter may
send to Keystone his own estimate of the fair value of the shares, which shall
be deemed a demand for payment of such amount or the deficiency.

      Where the dissenter does not file his own estimate within 30 days after
the mailing by Keystone of its remittance or notice, the dissenter shall be
entitled to no more than the amount stated on the notice or remitted to him by
Keystone.

      Within 60 days after the latest of (1) effectuation of the Plan of Merger,
(2) timely receipt of any demands for payment, or (3) timely receipt of any
estimates by dissenters of the fair value of their shares, if any demands for
payment remain unsettled, Keystone may file in court an application for relief
requesting that the fair value of the shares be determined by the court.  All
dissenting shareholders, wherever residing, whose demands have not been settled
shall be made parties to the proceeding.  A copy of the application for relief
shall be served on each such dissenter.

      The court may appoint an appraiser to receive evidence and recommend a
decision on the issue of fair value, which appraiser shall have such power and
authority as may be specified by the court.

      Each dissenter who is made a party to the proceeding shall be entitled to
recover the amount, if any, by which the fair value of his shares is found to
exceed the amount, if any, previously remitted by Keystone, plus interest.

      If Keystone fails to file an application for relief, any dissenter who
made a demand and who has not already settled his claim against Keystone may do
so in the name of Keystone at any time within 30 days after the expiration of
the 60-day period.  If a dissenter does not file an application within such 30-
day period, each dissenter entitled to file an application shall be paid
Keystone's estimate of the fair value of his shares and no more, and may bring
an action to recover any amount not previously remitted.

      In general, the costs and expenses of any valuation proceeding, including
the reasonable compensation and expenses of the appraiser appointed by the
court, shall be determined by the court and assessed against Keystone.  However,
any part of the costs and expenses may be apportioned and assessed as the court
deems appropriate against all or some of the dissenting shareholders who are
parties to the proceeding and whose action in demanding supplemental payment the
court finds to be dilatory, obdurate, arbitrary, vexatious or in bad faith.

      Fees and expenses of counsel and of experts for the respective parties may
be assessed as the court deems appropriate against Keystone and in favor of any
or all dissenters if Keystone or Shawnee failed to comply substantially with the
requirements of Subchapter D.  Such fees and expenses may be assessed against
either Keystone or a dissenter, in favor of any other party, if the court finds
that the party against whom the fees and expenses are assessed acted in bad
faith or in a dilatory, obdurate, arbitrary or vexatious manner in respect to
the rights provided by Subchapter D.  If the court finds that the services of
counsel for any dissenter were of substantial benefit to other dissenters
similarly situated and should not be assessed against Keystone, it may award to
those counsel reasonable fees to be paid out of the amounts awarded to the
dissenters who were benefited.

      SHAWNEE SHAREHOLDERS WISHING TO EXERCISE DISSENTERS' RIGHTS ARE ADVISED TO
CONSULT THEIR OWN COUNSEL TO ENSURE THAT THEY FULLY AND PROPERLY COMPLY WITH THE
REQUIREMENTS OF SUBCHAPTER D.


RESTRICTIONS ON RESALES BY SHAWNEE AFFILIATES

      The shares of Keystone Common Stock issuable in the Merger have been
registered under the Securities Act, and such shares will generally be freely
tradeable by the Shawnee shareholders who receive Keystone shares as a result of
the Merger.  However, this registration does not cover resales by Shawnee
shareholders who may be deemed to control or be under common control with
Shawnee and who therefore may be deemed "affiliates" of  

                                      -20-
<PAGE>
 
Shawnee as that term is defined in Rule 145 under the Securities Act. Such
affiliates may not sell their shares of Keystone Common Stock acquired in the
Merger except pursuant to: (i) an effective Registration Statement under the
Securities Act covering the shares to be sold; (ii) the conditions contemplated
by Rules 144 and 145 under the Securities Act; or (iii) another applicable
exemption from the registration requirements of the Securities Act. The
management of Shawnee will notify those persons whom it believes may be such
affiliates.

      The Plan of Merger requires as a condition to the Merger that each such
Shawnee affiliate enter into an agreement not to sell the shares of Keystone
Common Stock acquired in the Merger except in accordance with the requirements
of the Securities Act and the regulations thereunder.


EFFECT OF CERTAIN TRANSACTIONS INVOLVING KEYSTONE

      The Plan of Merger provides that Keystone may not enter into an agreement
for a merger, consolidation or share exchange in which it will not be the
surviving or resulting corporation unless the surviving or resulting corporation
shall have agreed in writing to be bound by the terms of the Plan of Merger and
the Warrant Agreement.  If under the terms of any such transaction the
outstanding Keystone Common Stock is converted into or exchanged for other
securities of any person, cash or other property, the Plan of Merger shall be
appropriately amended so that Shawnee shareholders will receive in the Merger,
for each share of Shawnee Common Stock held, 6.25 times the consideration paid
in such transaction for shares of Keystone Common Stock.  As indicated above, it
is a condition to the Merger that the parties receive the tax opinion described
under "Tax Consequences" above.  While this condition will not prevent Keystone
from entering into any such transaction, Shawnee is not required to amend or
waive this condition.

      As of the date of this Proxy Statement/Prospectus, Keystone does not
contemplate entering into any transaction of the type described above, and
Keystone is not aware that any such transaction is contemplated by any third
person.


EXPENSES

      Keystone and Shawnee will each pay 50% of (1) all printing costs related
to securities registration and the solicitation of proxies for the Special
Meeting, (2) all filing fees and legal and accounting fees and expenses related
to the tax opinion referred to above and to the regulatory approvals required
for the Merger and (3) the fees of Berwind Financial Group, L.P., Shawnee's
financial advisor, except that the portion of such fees payable by Keystone
shall be limited to $26,250.  Each party will pay its own other expenses
incurred in connection with the Plan of Merger.  However, the Plan of Merger
provides that if the Merger is not consummated as a direct or indirect
consequence of a change of control of Shawnee, Shawnee shall reimburse Keystone
for all of its reasonable out-of-pocket expenses incurred in connection with the
Plan of Merger.


EFFECTIVE DATE OF THE MERGER

      It is presently anticipated that if the Plan of Merger is approved by the
shareholders of Keystone and Shawnee, the Merger will become effective in the
third quarter of 1995.  However, as noted above, consummation of the Merger is
subject to the satisfaction of a number of conditions, some of which cannot be
waived.  There can be no assurance that all conditions to the Merger will be
satisfied or, if satisfied, that they will be satisfied in time to permit the
Merger to become effective within the anticipated time frame.  In addition, as
also noted above, Keystone and Shawnee retain the power to abandon the Merger or
to extend the time for performance of conditions or obligations necessary to its
consummation, notwithstanding prior shareholder approval.

                                      -21-
<PAGE>
 
ACCOUNTING TREATMENT

      Normally, the Merger would be accounted for by Keystone under the pooling-
of-interests method of accounting, which views the Merger as a uniting of the
separate ownership interests of Keystone and Shawnee through an exchange of
shares.  However, if the number of treasury shares purchased by Keystone under
its share repurchase program exceeds certain limits, Keystone may be required to
account for the Merger under the purchase method of accounting.

      Under the pooling-of-interests method, the financial statements of the
merged company normally reflect the combined historical financial data of the
merging companies, subject only to certain adjustments to the capital accounts
to reflect the share exchange of shares.  However, due to the immaterial impact
of the Merger on Keystone's previously reported results, it is anticipated that
Keystone's historical financial statements would not be restated if the Merger
is accounted for as a pooling-of-interests.

      If the Merger is accounted for under the purchase method, the assets and
liabilities of Shawnee acquired in the Merger will be recorded by Keystone for
financial reporting purposes at their market values as of the date of the
Merger, and any excess of the consideration paid over the net market values
acquired will be recorded and amortized as goodwill.

      Pro forma financial information concerning the Merger is not included
herein since the addition of Shawnee under either accounting method would not
have materially affected the Keystone historical financial information as
presented.

                                      -22-
<PAGE>
 
                        INFORMATION CONCERNING KEYSTONE

                           KEYSTONE FINANCIAL, INC.
                            SELECTED FINANCIAL DATA

      The following unaudited table of selected financial data should be read in
conjunction with Keystone's consolidated financial statements and the related
notes and with Keystone's management's discussion and analysis of financial
condition and results of operation (Financial Review), incorporated herein by
reference.  See "Keystone Documents Incorporated by Reference."

<TABLE>
<CAPTION>
                                         THREE MONTHS
                                        ENDED MARCH 31,                               YEAR ENDED DECEMBER 31,
                                    ----------------------      -------------------------------------------------------------------
                                       1995           1994          1994          1993          1992          1991          1990
                                       ----           ----          ----          ----          ----          ----          ----  

                                                        (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND RATIOS)

<S>                                 <C>           <C>           <C>           <C>           <C>           <C>           <C>
OPERATIONS:
Interest income..............       $    88,758   $    73,515   $   313,202   $   307,755   $   330,645   $   365,516   $   377,048
Interest expense.............            39,032        28,341       124,784       125,245       152,718       201,782       221,322
                                    -----------   -----------   -----------   -----------   -----------   -----------   -----------
Net interest income..........            49,726        45,174       188,418       182,510       177,927       163,734       155,726
Provision for credit losses..             2,084         1,642         9,484         7,940        16,053        16,323        15,107
Noninterest income...........            11,486        11,279        44,629        45,819        39,276        33,563        29,185
Noninterest expense..........            37,933        35,416       151,723       148,003       138,840       127,896       120,501
Income tax expense...........             6,539         5,349        20,481        21,037        16,568        12,810        11,583
                                    -----------   -----------   -----------   -----------   -----------   -----------   -----------
Net income...................       $    14,656   $    14,046   $    51,359   $    51,349   $    45,742   $    40,268   $    37,720
                                    ===========   ===========   ===========   ===========   ===========   ===========   ===========
Pre-tax security gains,
  included in above..........       $        32   $       611   $       834   $     1,669   $     1,750   $     1,976   $        84
 
PER SHARE:
Net income...................       $      0.63   $      0.60   $      2.20   $      2.20   $      1.99   $      1.77   $      1.66
Dividends....................              0.34          0.32          1.30          1.19          1.10          1.02          0.91
Dividend payout ratio........             54.00%        53.30%        59.22%        54.01%        55.27%        57.58%        54.89%

Average shares
  outstanding................        23,431,267    23,423,767    23,395,425    23,304,618    22,983,908    22,732,729    22,700,587
 
BALANCES AT PERIOD END:
Loans and leases.............       $ 3,237,611   $ 2,800,225   $ 3,193,405   $ 2,775,198   $ 2,785,335   $ 2,821,302   $ 2,762,647
Allowance for
  credit losses..............            43,109        40,175        42,440        40,181        38,940        35,770        32,299
Total assets.................         4,679,942     4,346,653     4,706,000     4,419,726     4,311,779     4,120,215     4,041,232
Deposits.....................         3,825,127     3,573,328     3,827,983     3,582,688     3,655,261     3,560,284     3,523,779
Long-term debt...............             5,528         6,793         6,054         5,990         5,144         2,143         2,989
Shareholders' equity.........           424,632       411,289       407,774       412,880       378,314       348,143       327,092
Book value per share.........             18.06         17.58         17.46         17.65         16.29         15.27         14.41
 
SELECTED RATIOS:
Return on average assets.....              1.26%         1.31%         1.16%         1.19%         1.08%         0.98%         0.96%

Return on average equity.....             14.33         13.81         12.71         12.98         12.58         11.87         11.82
Interest rate spread.........              3.96          4.04          4.04          4.07          4.02          3.66          3.51
Net interest margin..........              4.63          4.60          4.63          4.63          4.67          4.48          4.45
Average equity to
  average assets.............              8.82          9.47          9.09          9.13          8.62          8.29          8.10
Loans to deposits
  at period end..............             84.64         78.36         83.42         77.46         76.20         79.24         78.40
</TABLE>

                                      -23-
<PAGE>
 
<TABLE>
<CAPTION>
                                         THREE MONTHS
                                        ENDED MARCH 31,                               YEAR ENDED DECEMBER 31,
                                    ----------------------      -------------------------------------------------------------------
                                       1995           1994          1994          1993         1992          1991          1990
                                       ----           ----          ----          ----         ----          ----          ----  

                                                (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND RATIOS)

<S>                                    <C>            <C>           <C>           <C>          <C>           <C>           <C>
SELECTED RATIOS (CONTINUED):
Allowance for credit losses to
  loans at period end.............      1.33           1.43          1.33          1.45          1.40          1.27          1.17   
Nonperforming assets to                                                                                                             
  loans and ORE...................      0.79           1.34          0.95          1.32          1.66          1.51          1.17   
Loans 90 days past due............      0.28           0.26          0.24          0.14          0.22          0.30          0.53   
Total risk elements to loans and                                                                                                    
  ORE at period end (1)...........      1.07           1.60          1.19          1.46          1.88          1.81          1.70   
RISK-ADJUSTED CAPITAL RATIOS:                                                                                                       
Leverage ratio....................      9.14%          9.42%         8.84%         9.18%         8.66%         8.30%         7.81%  
                                                                                                                                    
"Tier 1" capital ratio............     13.39          14.86         12.96         14.05         13.06         12.21         11.21   
"Total" capital ratio.............     14.64          16.11         14.21         15.30         14.26         13.44         12.36   
</TABLE>

_____________

(1)  Total risk elements include nonperforming assets and loans past due 90 days
or more.

                                      -24-
<PAGE>
 
              STOCK PRICES AND DIVIDENDS ON KEYSTONE COMMON STOCK

      Keystone Common Stock is traded in the over-the-counter market under the
symbol "KSTN" and is listed in the NASDAQ National Market System.  The following
table sets forth the high and low closing sales prices for Keystone Common Stock
for the periods indicated, in each case as reported by NASDAQ, and the cash
dividends per share declared on Keystone Common Stock for such periods.

<TABLE>
<CAPTION>
                                  QUARTERLY CLOSING SALES       CASH    
                                        PRICE RANGE           DIVIDENDS 
                                  -----------------------               
                                  HIGH             LOW        DECLARED 
                                  ----             ---        -------- 
<S>                              <C>              <C>         <C>      
1993                                                                    
                                                                        
First Quarter............        $34.00           $29.00      $ .29   
Second Quarter...........         34.50            30.75        .29   
Third Quarter............         31.75            28.25        .29   
Fourth Quarter...........         32.50            29.75        .32   
                                                               ----   
                                                              $1.19   
                                                              =====   
1994                                                                    
                                                                        
First Quarter............        $32.25           $27.50      $ .32   
Second Quarter...........         32.00            27.75        .32   
Third Quarter............         32.00            27.75        .32   
Fourth Quarter...........         30.25            27.25        .34   
                                                               ----   
                                                              $1.30   
                                                              =====   
1995                                                                    
                                                                        
First Quarter............        $30.25           $26.25      $ .34   
Second Quarter...........         29.125           26.75        .34   
Third Quarter  (through                                                 
 July 13, 1995)..........         30.00            27.75         --    
</TABLE>

      On January 5, 1995, the last NASDAQ trading day prior to the public
announcement of the Merger, the closing sale price for the Keystone Common Stock
was $29.625.  On July 13, 1995, the closing sale price for the Keystone Common
Stock was $30.00.  On April 30, 1995, there were approximately 23,509,609 shares
of Keystone Common Stock outstanding.  On March 31, 1995 Keystone had
approximately 10,790 shareholders of record.

      While Keystone is not obligated to pay cash dividends, Keystone's Board of
Directors presently intends to continue the policy of paying quarterly cash
dividends.  Future dividends will depend, in part, upon the earnings and
financial condition of Keystone.

                                      -25-
<PAGE>
 
                        INFORMATION CONCERNING SHAWNEE

                    SHAWNEE FINANCIAL SERVICES CORPORATION
                            SELECTED FINANCIAL DATA

      The following unaudited table of selected financial data should be read in
conjunction with Shawnee Management's Discussion and Analysis of Financial
Condition and Results of Operations, which follows, and with Shawnee's
consolidated financial statements and the related notes, which begin on page 
F-1.

<TABLE>
<CAPTION>
                                         THREE MONTHS
                                        ENDED MARCH 31,                       YEAR ENDED DECEMBER 31,
                                    ----------------------      ------------------------------------------------
                                       1995         1994            1994     1993     1992       1991      1990
                                       ----         ----            ----     ----     ----       ----      ----  

                                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND RATIOS)

<S>                                 <C>            <C>          <C>        <C>       <C>       <C>       <C> 
OPERATIONS:
Interest income...................  $ 1,263         $ 1,238      $ 5,090   $ 5,074   $ 5,033   $ 5,480   $ 5,460
Interest expense..................      542             507        2,007     2,039     2,199     2,993     3,332
                                    -------         -------      -------   -------   -------   -------   -------
Net interest income...............      721             731        3,083     3,036     2,833     2,487     2,128
Provision for loan losses.........        0               0            0         0         0        50        27
Noninterest income................       40              42          145       158        69        89       303
Noninterest expense...............      509             507        2,259     2,093     1,967     1,930     1,681
Income tax expense................       61              72          242       266       207       110       152
                                    -------         -------      -------   -------   -------   -------   -------
Net income........................  $   191         $   194      $   727   $   834   $   728   $   486   $   571
                                    =======         =======      =======   =======   =======   =======   =======
Pre-tax security gains (losses),                   
  included in above...............  $    --         $    --      $    --   $     1   $   (22)  $    (1)  $   188
                                                   
PER SHARE:                                         
Net income........................  $  2.38         $  2.42      $  9.07   $ 10.35   $  9.01   $  6.02   $  7.10
Dividends.........................       --              --         2.70      2.60      2.50      2.40      2.30
Dividend payout ratio.............      N/A             N/A        29.77%    24.98%    27.75%    39.95%    32.48%
Average shares                                     
  outstanding.....................   80,184          80,184       80,184    80,600    80,870    80,870    80,670
                                                   
BALANCES AT PERIOD END:                            
Loans.............................  $38,915         $38,659      $40,044   $39,016   $31,231   $30,647   $31,920
Allowance for loan losses.........      184             185          184       184       196       207       179
Total assets......................   71,209          72,935       69,951    72,392    68,671    61,721    58,905
Deposits..........................   62,627          64,332       61,650    64,150    60,947    54,667    51,966
Long-term debt....................       --              --           --        --        --        --        --
Shareholders' equity..............    8,053           7,603        7,581     7,306     6,719     6,193     5,866
Book value per share..............   100.43           94.82        94.55     91.11     83.09     76.58     72.97
                                                   
SELECTED RATIOS:                                   
Return on average assets..........     1.12%    (3)    1.13%        1.01%     1.18%     1.16%     0.79%     0.98%
Return on average equity..........    10.60     (3)   11.55         9.69     12.28     11.83      8.52     10.18
Interest rate spread..............     3.70            3.81         3.92      3.94      3.99      3.16      2.73
Net interest margin...............     4.40            4.35         4.51      4.51      4.72      4.30      3.95
Average equity to
  average assets..................    10.49            9.59        10.52     10.31     10.68      9.31      9.58
Loans to deposits
  at period end...................    61.81           59.71        62.79     60.53     50.92     55.68     61.08
</TABLE>

                                      -26-
<PAGE>
 
<TABLE>
<CAPTION>
                                         THREE MONTHS
                                        ENDED MARCH 31,                       YEAR ENDED DECEMBER 31,
                                    ----------------------      ------------------------------------------------
                                       1995         1994            1994     1993     1992       1991      1990
                                       ----         ----            ----     ----     ----       ----      ----  
 
                                                       (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS AND RATIOS)
                                                                         
<S>                                 <C>            <C>          <C>        <C>       <C>       <C>       <C> 
SELECTED RATIOS (CONTINUED):
Allowance for loan losses to
  loans at period end.............     0.47            0.48         0.48      0.47      0.63      0.68      0.56
Nonperforming assets to                                                                                  
  loans and ORE...................     0.44     (3)    0.44         0.44      0.44      0.56        --      0.25
Loans 90 days past due............     0.25            0.33         0.10      0.14      0.09      0.23      0.25
Total risk elements to loans and                                                                         
  ORE at period end (1)...........     0.69            0.77         0.54      0.58      0.65      0.23      0.50
                                                                                                         
RISK-ADJUSTED CAPITAL RATIOS:                                                                            
Leverage ratio....................    11.25%             (2)       11.14%       (2)       (2)       (2)       (2)
"Tier 1" capital ratio............    14.04              (2)       14.03        (2)       (2)       (2)       (2)
"Total" capital ratio.............    14.36              (2)       14.36        (2)       (2)       (2)       (2)
</TABLE> 
 
________________

(1)  Total risk elements include nonperforming assets and loans past due 90 days
     or more.

(2)  These numbers are not available.

(3)  The consolidated numbers presented for Shawnee differ marginally from those
     for The Everett Bank, as computed by Berwind.  The Everett-only percentages
     for return on average assets, return on average equity and nonperforming
     assets to loans and ORE, as computed by Berwind, were 1.11%, 10.75% and
     0.55%, respectively.  See "Plan of Merger--Opinion of Shawnee Financial
     Advisor."



                 SHAWNEE MANAGEMENT'S DISCUSSION AND ANALYSIS
               OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

GENERAL

      The disclosures called for by SEC Industry Guide 3, which detail many
aspects of a banking company's financial condition and results of operations,
are generally required by the SEC for banking companies subject to the SEC's
periodic reporting requirements.  Shawnee is not subject to the SEC's periodic
reporting requirements.  Shawnee does not in its ordinary course maintain the
information necessary to compile many of the disclosures required pursuant to
Guide 3 and compiling such information would be very expensive and time
consuming.  Therefore, Shawnee is not providing all disclosures required by
Guide 3 to shareholders.  Shawnee believes it is providing shareholders with all
material information concerning the company and its operations (including
elements of the bank's loan portfolio) for shareholders to make an investment
decision in favor or against the proposed Merger.

                                      -27-
<PAGE>
 
1994 VERSUS 1993

      Net Income

      Net income decreased year to year by 12.86% from 834,494 in 1993 to
$727,198 in 1994.  The principal reasons for this decline were an increased cost
of funds, resulting from several interest rate hikes by the Federal Reserve
Board during the year, and an increase in certain expenses, relating to
increased staff levels and the phase-in of certain newer technologies.  The bank
remained solidly profitable, however, although net income per share fell from
$10.35 in 1993 to $9.07 in 1994.

<TABLE>
<CAPTION>
                                                YEARS ENDED DECEMBER 31,             
                                               --------------------------             
                                                                                     
                                                 1994              1993             % CHANGE         
                                                 ----              ----             --------         
<S>                                            <C>               <C>                <C>               
INTEREST INCOME                                                                                      
  Loans................................        $3,443,191        $3,403,912           1.15%          
  Investment Securities................         1,273,873         1,253,638           1.61%          
  Interest-bearing Deposits............            79,073           208,369         (62.05%)         
  Federal Funds Sold...................           293,477           208,404          40.82%          
                                               ----------        ----------                          
                                                5,089,614         5,074,323            .30%          
                                                                                                     
INTEREST EXPENSE                                                                                     
  Deposits.............................         2,007,075         2,038,678          (1.55%)         
                                               ----------        ----------                          
                                                                                                     
   NET INTEREST INCOME.................         3,082,539         3,035,645           1.54%          
  Provision for Loan Losses............                 0                 0                          
                                               ----------        ----------                          
                                                                                                     
   NET INTEREST INCOME AFTER                                                                         
    PROVISION FOR LOAN LOSSES..........         3,082,539         3,035,645           1.54%          
                                                                                                     
OTHER INCOME                                                                                         
  Service Fees.........................            79,510            69,874          13.79%          
  Other................................            65,256            75,179         (13.20%)         
  Net Investment Gains.................                 0             9,300                          
  Gain on Sale of Equipment............                 0             3,700                          
                                               ----------        ----------                          
                                                  144,766           158,053          (8.41%)         
                                                                                                     
OTHER EXPENSES                                                                                       
  Salaries.............................           913,234           829,935          10.04%          
  Pension and Other Employee Benefits..           223,195           230,393          (3.12%)         
  Occupancy Expense....................           121,905           115,601           5.45%          
  Depreciation.........................           210,583           213,394          (1.32%)         
  Other................................           790,263           703,407          12.35%          
                                               ----------        ----------                          
                                                2,259,180         2,092,730           7.95%          
                                               ----------        ----------                          
                                                                                                     
   INCOME BEFORE INCOME TAXES..........           968,125         1,100,968         (12.07%)         
                                                                                                     
  PROVISION FOR INCOME TAXES...........           240,927           266,474          (9.59%)         
                                               ----------        ----------                          
                                                                                                     
   NET INCOME..........................        $  727,198        $  834,494         (12.86%)         
                                               ==========        ==========                          
                                                                                                     
  NET INCOME PER SHARE.................        $     9.07        $    10.35         (12.37%)         
                                               ==========        ==========                           
</TABLE>

                                      -28-
<PAGE>
 
      Net Interest Income

      Interest income was virtually unchanged year to year ($5,089,614 in 1994
vs. $5,074,323 in 1993), with a decrease of income from interest-bearing
deposits held by the bank in other institutions being offset by an increase in
income from federal funds sold.  The latter are instruments sold to other banks
to meet short-term liquidity needs.

      Interest on loans grew only 1.15% year to year, with growth occurring
primarily in the real estate loan area.  The return on average earning assets
dropped from 7.74% in 1993 to 7.68% in 1994, as the general decline in interest
rates from 1993 levels was the primary driver of these lower asset yields.

      The Bank's net interest margin (i.e., the difference between the cost of
funds for the bank and the cost at which it can lend these funds) remained the
same in 1994 as in 1993 at 4.51%.  Management anticipates a decline in net
interest margins in 1995 if short-term interest rates continue to rise.

      Interest Expense

      Interest expense remained practically unchanged year to year, although
deposits decreased by approximately $2.5 million year to year.  The effects of
the Federal Reserve's interest rate policy began to have a greater effect during
the later part of 1994, reflecting an increased cost of funds which is expected
to continue into 1995.  An increase in the bank's cost of funds is also likely
because the bank must compete against various bank and non-bank institutions to
retain or expand its deposit base.

      Provision for Loan Losses

      Non-performing assets as a percentage of total assets remained at
comparable levels year to year.

      Shawnee's allowance for loan losses was $184,000 at the end of 1994 and
represented .48% of loans.  The allowance at the end of 1993 was $184,000, or
 .47% of loans.  Total risk elements, which include nonperforming assets and
loans 90 days past due, decreased from .58% of loans at the end of 1993 to .52%
of loans at December 31, 1994.

      Shawnee's 1994 provision was consistent with the volume of net charge-offs
and responsive to overall asset quality trends, and the allowance for loan
losses is maintained at a level which, in management's judgment, is adequate to
absorb potential losses in its loan portfolio.

      The breakdown of the categories for loan loss reserves were as follows for
both 1994 and 1993:

<TABLE>
            <S>                                    <C>      
            Real Estate Loans                      $ 30,000
            Installment Loans                      $ 40,000
            Commercial Loans                       $114,000 
</TABLE>

      Other than as disclosed in this Management's Discussion and Analysis or
elsewhere in this Proxy Statement/Prospectus, Shawnee management is unaware of
any potential problem loans.  Further, the Bank does not make any foreign loans,
nor is it aware of any significant concentration of loans.

      Non-Interest Income

      Other income, which includes revenues from service fees, was also flat
year to year ($144,766 in 1994 vs. $158,043 in 1993).  Gains on the sales of
securities in 1993 matched increases in service fees and other revenues in 1994.

                                      -29-
<PAGE>
 
      Non-Interest Expense

      Other expenses, which includes salaries, employee benefits and expenses
related to the maintenance and upkeep of the bank's properties, rose 7.9% year
to year.  Salary expense increased as a result of increased staff levels added
during the year.  In addition, increased occupancy expense, insurance expense
and expenses related to the continuing phase-in of several automated teller
machines ("ATMs") affected costs significantly.  While expenses relating to
operation of ATMs currently exceed revenues, management believes that the
attractiveness to customers of ATMs makes them worthwhile, and that this
imbalance will equalize over time.

      Book Value and Dividends

      Book value continued its historic climb to $94.55 in 1994 from $91.11 in
1993.  This occurred notwithstanding the implementation of SFAS No. 115,
"Accounting for Certain Investments in Debt and Equity Securities," which
negatively impacted shareholders' equity by $235,119, or $2.93 per share.  As
required by SFAS No. 115, implemented on January 1, 1994, management classified
its entire securities portfolio as available for sale due to the identification
of circumstances which could result in the securities not being held to
maturity.

      In 1994 Shawnee raised its dividend to $2.70 per share from $2.60 per
share in 1993, continuing its historical pattern of increasing annual dividends.

      Other Key Indices

      As of December 31, 1994, the average yields on the Bank's interest
generating assets were as follows:

<TABLE> 
            <S>                              <C>  
            Loans                            8.82%
            Investments                      6.38%
            Interest-bearing deposits        4.11%
            Federal Funds                    4.21%
</TABLE> 

      The average cost for customers' deposits was 3.59%.

      Return on average assets (ROA) and return on average equity (ROE) were
1.01% and 9.69%, respectively, for 1994 versus 1.18% and 12.28% for 1993.  These
ratios indicate to shareholders how well their money is being employed by
Shawnee and compare favorably with other banks of similar size.  The declines in
ROA and ROE were largly due to the decrease in earnings year to year.  The
decline in ROE was proportionately greater than that of ROA because the capital
base of Shawnee continued to increase given the Bank's overall profitability,
while the Bank's asset size fell slightly.

      Capital Resources

      The Bank is required to maintain certain levels of capital in accordance
with regulations of the FDIC.  The minimum guidelines for the ratio of total
capital to risk-weighted assets (including certain off-balance-sheet activities,
such as standby letters of credit) is 8%.  At least 4% of the total capital must
be "Tier I Capital" or core capital, which may be composed of common equity,
retained earnings and a limited amount of perpetual preferred stock, less
goodwill and intangible assets other than purchased mortgage servicing rights
acquired after February 18, 1992.  The remainder may consist of subordinated
debt, cumulative preferred stock and a limited amount of loan loss reserves
("Tier II Capital").  In addition, the Federal Reserve Board has established
minimum leverage ratio guidelines for bank holding companies.  These guidelines
provide a minimum leverage ratio of tangible equity (shareholders' equity less
disallowed intangibles) to adjusted average quarterly assets equal to 3% for
bank holding companies that meet certain specified criteria.  The Bank's capital
levels and capital requirements as of December 31, 1994, are set forth in the
following table:

                                      -30-
<PAGE>
 
<TABLE>
<CAPTION>
                       FDIC MINIMUM         SHAWNEE'S         CAPITAL IN EXCESS
                          CAPITAL             ACTUAL             OF MINIMUM
                       REQUIREMENTS          CAPITAL            REQUIREMENTS
                                      ---------------------  -------------------
                          AS % OF                    % OF                % OF
                         ADJUSTED                  ADJUSTED            ADJUSTED
                           TOTAL                    TOTAL               TOTAL
                          ASSETS        AMOUNT      ASSETS    AMOUNT    ASSETS
                          ------        ------      ------    ------    ------

<S>                    <C>            <C>          <C>        <C>      <C>
Risk-Based Capital:
 Tier 1 Capital......       4.00%      $7,816,000   14.03%    $784,000   10.03%
 Tier 2 Capital......                  $  184,000    0.33%    $184,000    0.33%
   Total Capital.....       8.00%      $8,000,000   14.36%    $509,000    6.36%
Leverage Ratio.......       3.00%      $7,816,000   11.14%    $636,000    8.14%
</TABLE>

      As of December 31, 1994, Shawnee complied with all capital levels required
by the FDIC.

                                      -31-
<PAGE>
 
1993 versus 1992

      Net Income

      Net income in 1993 reached an historic high as a result of a very
favorable net interest margin (i.e., the difference between the cost of funds
for the Bank and the cost at which it can lend these funds). This was coupled
with a stronger economy in 1993 than in 1992 and lower interest rates, causing
business and individuals to increase their demand for loans.  On a year-to-year
basis, net income increased almost 15% from $728,484 in 1992 to $834,494 in
1993, and net income per share increased from $9.01 to $10.35.

<TABLE>
<CAPTION>
                                         YEARS ENDED DECEMBER 31,
                                         ------------------------

                                           1993        1992        % CHANGE
                                           ----        ----        --------
<S>                                      <C>         <C>           <C>
INTEREST INCOME
  Loans................................  $3,403,912  $3,255,668       4.55%
  Investment Securities................   1,253,638   1,334,187      (6.04%)
  Interest-bearing Deposits............     208,369     272,788     (23.62%)
  Federal Funds Sold...................     208,404     170,177      22.46%
                                         ----------  ----------    
                                          5,074,323   5,032,920        .82%
   
INTEREST EXPENSE
  Deposits.............................   2,038,678   2,199,492      (7.31%)
                                         ----------  ----------
 
   NET INTEREST INCOME.................   3,035,645   2,833,328       7.14%
  Provision for Loan Losses............           0           0
                                         ----------  ----------
 
   NET INTEREST INCOME AFTER
    PROVISION FOR LOAN LOSSES..........   3,035,645   2,833,328       7.14%
 
OTHER INCOME
  Service Fees.........................      69,874      42,773      63.36%
  Other................................      75,179      48,629      54.60%
  Net Investment Gains.................       9,300     (21,950)
  Gain on Sale of Equipment............       3,700           0     100.00%
                                         ----------  ----------
                                            158,053      69,452     127.57%
 
OTHER EXPENSES
  Salaries.............................     829,935     728,183      13.97%
  Pension and Other Employee Benefits..     230,393     217,382       5.99%
  Occupancy Expense....................     115,601     134,290     (13.92%)
  Depreciation.........................     213,394     176,734      20.74%
  Other................................     703,407     710,532      (1.00%)
                                         ----------  ----------
                                          2,092,730   1,967,121       6.39%
                                         ----------  ----------
 
   INCOME BEFORE INCOME TAXES..........   1,100,968     935,659      17.67%
 
  PROVISION FOR INCOME TAXES...........     266,474     207,175      28.62%
                                         ----------  ----------
 
   NET INCOME..........................  $  834,494  $  728,484      14.55%
                                         ==========  ==========
 
  NET INCOME PER SHARE.................  $    10.35  $     9.01      14.87%
                                         ==========  ==========
</TABLE>

                                      -32-
<PAGE>
 
      Net Interest Income

      Lending increased substantially in 1993.  In particular, lending in the
mortgage, installment and commercial sectors was up approximately 25% year to
year.  This resulted in interest income from loans increasing $148,244 or 4.5%.
This was partially offset by less income from the Bank's holdings of investment
securities, as interest rates declined over the course of the year.

      Interest Expense

      Interest expense declined to $2,038,678 (7.31%) from 1992 to 1993,
notwithstanding an increase in deposits of approximately $3.2 million year to
year.  This decrease was a result of the Federal Reserve Board's move to lower
interest rates through most of 1993, thereby decreasing the interest the Bank
was required to pay on depositor's accounts.  The Bank's net interest margin
decreased from 4.72% to 4.51% year to year.

      Provision for Loan Losses

      Shawnee's allowance for loan losses fell slightly from 1992 to 1993 from
$195,788 to $184,118.  This reflected an improvement in the economy but remained
at a level that management believed was adequate to absorb possible losses on
loans that may become uncollectible.

      Non-Interest Income

      Other income increased significantly year to year ($158,053 vs. $69,452).
Increased service fee income and gains from the sale of investment securities
accounted for the bulk of the difference year to year.

      Non-Interest Expense

      Other expenses increased 6.3% from 1992.  Salary expense increased
significantly as a result of a raise effected during the year and an increase in
staff levels.  In addition, certain other expenses increased as a result of
costs related to the expansion to a branch office in Loysburg, Pennsylvania (and
related depreciation increase) and the addition of three drive-up ATMs and one
interior ATM.  Also, a change in accounting principle, SFAS 109 (Accounting for
Income Taxes) resulted in a deferred benefit of $24,621 in 1993.

      Book Value and Dividends

      Given the increase in net income of 15% year to year, book value per share
increased to $91.11 in 1993 from $83.09 in 1992, a boost of 9.65% year to year.
Shawnee also increased its dividend from $2.50 to $2.60.

      Other Key Indices

      Other measures of overall performance, including return on assets and
return on equity, also improved from 1992 to 1993, from 1.16% to 1.18%, and from
11.83% to 12.28%, respectively.

INTEREST RATE SENSITIVITY AND LIQUIDITY

      The objective of the Corporation's asset/liability management policy is to
maximize current and future net interest income within acceptable levels of
interest rate risk while satisfying liquidity and capital requirements.
Consistent with conservative banking practices, the Asset/Liability Management
Committee recommends the allocation of funds within prescribed guidelines to
achieve specified target goals for Return on Equity and Return on Assets.  These
guidelines are established to reduce the bank's level of risk to fluctuating
interest rates, while leaving open the possibility of capitalizing on favorable
trends.

                                      -33-
<PAGE>
 
      The following table summarizes the Corporation's interest rate sensitivity
or gap position, which is the estimated aggregate maturity and repricing of
interest earning assets and interest bearing liabilities, at December 31, 1994:

                           INTEREST RATE SENSITIVITY

<TABLE> 
<CAPTION> 
                             90-Day    90-Day    180-Day   180-Day    365-Day   365-Day
                             Volume     Yield     Volume     Yield     Volume     Yield
                             ------     -----     ------     -----     ------     -----

                                         (Dollars in Thousands)
<S>                     <C>           <C>     <C>          <C>      <C>         <C>  
ASSETS

Beginning Balance                 0    0.00%  $14,496,879    7.55%  $17,952,970   7.63%
U.S. Governments        $   200,000    7.06%      300,000    5.29%      300,000   6.08%
Government Agencies         700,000    7.71%      300,000    8.88%      200,000   6.79%
Municipals                   85,000   11.25%      100,000    8.47%      300,000   6.74%
Certificates                793,000    5.26%      298,000    5.38%      297,000   6.54%
Other Securities            100,000    9.20%      200,000    6.20%      200,000   5.81%
Federal Funds             5,900,000    5.75%            0    0.00%            0   0.00%
PHEAA                     1,496,215    7.83%            0    0.00%            0   0.00%
Demand Loans              2,369,199   10.66%            0    0.00%            0   0.00%
Tax Free Loans                4,200    7.42%        4,200    7.42%       43,400   7.42%
Real Estate Loans           960,329    9.12%      490,476    8.94%      808,495   8.97%
Installment               1,888,936    8.94%    1,763,415    8.66%    3,577,361   7.80%
                        -----------           -----------           -----------
 
TOTAL RATE SENSITIVE
  ASSETS                $14,496,879    7.55%  $17,952,970    7.63%  $23,684,226   7.64%
 
LIABILITIES
 
Beginning Balance                 0    0.00%  $18,075,439    4.02%  $22,232,594   4.06%
Super-Nov               $   507,009    2.50%            0    0.00%            0   0.00%
MMDA                      5,774,297    3.00%            0    0.00%            0   0.00%
IRAs                      3,976,716    6.09%            0    0.00%            0   0.00%
$100,000 CDs              2,346,261    4.29%      200,000    4.25%      202,000   4.98%
Other CDs                 5,471,155    3.63%    3,957,155    4.22%    3,199,964   4.60%
                        -----------           -----------           -----------
 
TOTAL RATE SENSITIVE
  LIABILITIES           $18,075,439    4.02%  $22,232,594    4.06%  $25,634,558   4.14%
 
Total Assets:           $70,802,682
Total Equity:           $ 7,682,285
 
RSA/RSL                                0.80                  0.81                 0.92
GAP (RSA-RSL)            (3,578,560)           (4,279,624)           (1,950,332)
GAP/Total Assets                      -5.05%                -6.04%               -2.75%
</TABLE>

      As measured by the one-year cumulative sensitivity gap at December 31,
1994, the Corporation was liability sensitive such that the maturity and
repricing of interest bearing liabilities exceeded interest earning assets.  As
discussed elsewhere in this Management's Discussion and Analysis, short-term
market interest rates rose dramatically in 1994 as a result of the Federal
Reserve's efforts to slow the economy by raising the federal funds rate.  Long-
term rates have also risen but not to the same extent as short-term rates.
Management expects these rate increases to continue into 1995.  The focus in
1994 was to reduce the Corporation's sensitivity to rising interest  

                                      -34-
<PAGE>
 
rates to the extent possible while limiting the negative impact on earnings.
Measures in 1994 to reduce the liability-sensitive position included adjusting
lending rates upward to reflect the increased costs on deposits, subject to
competitive factors, as well as increasing investments in higher-yielding,
longer-term government agency investments (many of which remain subject to calls
prior to maturity).

      On a quarterly basis, or as may be necessitated by significant changes in
the marketplace, the Committee reviews its asset/liability management policy.
Factors considered by the Committee in evaluating interest rate risk include,
but are not limited to, the current interest rate outlook nationally and
locally, current forecasts on loans and deposits, various rate-sensitive asset-
to-liabilities ratios, and current and projected liquidity needs.

      Shawnee manages its liquidity position by continually evaluating its
funding needs and the cost and terms of funding sources.  The Corporation has
sufficient sources of funds available to meet its routine operational cash needs
by virtue of its monetary assets and liabilities.  The Corporation does not
borrow to meet its long-term liquidity needs.

      Net cash from operating activities in 1994 was provided by net income,
increased by non-cash related items such as depreciation expense.  Net cash from
investing activities was primarily redeployed in the purchase of investment
securities.  Interest bearing accounts were decreased to offset an approximate
$2.5 million decline in customer deposits.  Federal funds sold and repayments on
loans provide sources of short-term liquidity.  In addition, the Corporation's
securities portfolio provides liquidity due to the active markets for the
securities held.

                                      -35-
<PAGE>
 
THREE MONTHS ENDED MARCH 31, 1995 VERSUS THREE MONTHS ENDED MARCH 31, 1994

      Net Income

      Net income decreased marginally quarter to quarter by .98% from $194,000
in 1994 to $191,000 in 1995.  The principal reason for this decline was a higher
overall level of interest paid on deposits. Net income per share slipped from
$2.42 to $2.38.

<TABLE>
<CAPTION>
                                                        THREE MONTHS ENDED MARCH 31,        
                                            -----------------------------------------------    
                                                         1995                1994              
                                                         ----                ----              

                                            (IN THOUSANDS, EXCEPT PER SHARE AND SHARE DATA)     

<S>                                                  <C>                     <C>             
INTEREST INCOME                                                                            
  Loans................................              $          841          $          839
  Investment Securities................                         298                     316
  Interest-bearing Deposits............                          14                      31
  Federal Funds Sold...................                         110                      52
                                                     --------------          --------------
                                                              1,263                   1,238
                                                                                           
INTEREST EXPENSE                                                                           
  Deposits.............................                         542                     507
                                                     --------------          --------------
                                                                                           
    NET INTEREST INCOME................                         721                     731
  Provision for Loan Losses............                           0                       0
                                                     --------------          --------------
                                                                                           
    NET INTEREST INCOME AFTER                                                              
    PROVISION FOR LOAN LOSSES..........                         721                     731
                                                                                           
OTHER INCOME                                                                               
  Service Fees.........................                          13                      20
  Other................................                          27                      22
                                                     --------------          --------------
                                                                 40                      42
                                                                                           
OTHER EXPENSES                                                                             
  Salaries.............................                         206                     209
  Pension and Other Employee Benefits..                          42                      47
  Occupancy Expense....................                          33                      33
  Depreciation.........................                          53                      53
  Other................................                         175                     165
                                                     --------------          --------------
                                                                509                     507
                                                     --------------          --------------
                                                                                           
    INCOME BEFORE INCOME TAXES.........                         252                     266
                                                                                           
  PROVISION FOR INCOME TAXES...........                          61                      72
                                                     --------------          --------------
                                                                                           
    NET INCOME.........................              $          191          $          194
                                                     ==============          ==============
                                                                                           
  NET INCOME PER SHARE.................              $         2.38          $         2.42
                                                     ==============          ==============
                                                                                           
  WEIGHTED AVERAGE NUMBER OF                                                               
  SHARES OUTSTANDING...................                      80,184                  80,184
                                                     ==============          ============== 
</TABLE>

                                      -36-
<PAGE>
 
      Net Interest Income

      Interest income increased 2% quarter to quarter from $1,238,000 in 1994 to
$1,263,000 in 1995.  Interest earned from federal funds sold increased
significantly on higher volumes, offset partially by a decrease on investment
securities income.  This reflected the bank's overall move toward lessening the
maturities of its investments in light of a trend of increasing interest rate
moves by the Federal Reserve Board.  Interest income from loans was flat quarter
to quarter ($839,000 in 1994 versus $841,000 in 1995) with the overall level of
loans remaining fairly constant quarter to quarter as well.

      The return on average earning assets decreased slightly from 1.13% to
1.12% from 1994 to 1995. The increase in interest expense accounted for the
change.

      The bank's net interest margin (i.e., the difference between the cost of
funds for the bank and the cost at which it can lend these funds) increased in
1995 as compared to 1994, 4.40% versus 4.35%. The principal factor causing the
increase in net interest margin was an overall rise in the level of non-
interest-bearing deposits during the first quarter of 1995.

      Interest Expense

      Interest expense on deposits increased significantly year to year from
$507,000 in 1994 to $542,000 in 1995, or 6.9%.  The increase in the expense was
due primarily to the increase in short-term interest rates during the period.
In addition, competitive pressures in the bank's market area required it to
offer higher yields to maintain its deposit base at prior levels.

      Provision for Loan Losses

      Nonperforming loans as a percentage of total average assets remained
approximately the same quarter to quarter (.238% versus .235%).  Shawnee did not
increase its allowance for loan losses during the first quarter of 1995 and did
not experience any increase in nonperforming loans during the period. Total risk
elements, which include nonperforming assets and loans 90 days past due,
decreased from .77% of loans in 1994 to .69% of loans in 1995.

      The Bank's provision for loan losses continued to be consistent with the
volume of net charge-offs and responsive to overall asset quality trends.  The
provision is maintained at a level which management believes to be adequate to
absorb potential losses in its portfolio.

      Non-Interest Income

      Other income was flat quarter to quarter ($40,000 in 1995 versus $42,000
in 1994).  A slight decrease in service fee income was offset by a small
increase in other income.

      Non-Interest Expense

      The overall level of non-interest expenses necessary for the operation of
the bank remained constant quarter to quarter ($509,000 in 1995 versus $507,000
in 1994).  Salaries and benefits decreased slightly by 3.1%.  Other expenses,
which included an increase in the cost of FDIC insurance, increased by 6.1%.

      Book Value and Dividends

      Book value per share increased significantly during the first quarter of
1995 to $100.43 per share from $94.55 at the end of 1994.  The increase was due
to the continued profitability of the bank ($2.38 per share during the quarter)
as well as a turnaround in the value of the securities portfolio held by the
bank from a net unrealizable holding loss of $235,000 at the end of 1994 to a
net unrealized holding gain of $46,000 at the end of the first  

                                      -37-
<PAGE>
 
quarter of 1995. The bank holds these securities as "available for sale" but has
no present intention of liquidating these securities.

      Shawnee paid a dividend of $2.45 per share in January, 1995.  Shawnee has
historically paid its second, and larger, dividend in January of each year.
Pursuant to the Plan of Merger, Shawnee is permitted to pay an additional
dividend in 1995 based on a pro-ration of $2.70 per share divided by the number
of months until the merger is consummated.  Shawnee anticipates paying a
dividend of $1.35 per share at the end of June.

      Other Key Indices

      Return on average assets (ROA) and return on average equity (ROE) were
1.12% and 10.60% for the first quarter of 1995.  These ratios indicate to
shareholders how well Shawnee is employing the bank's assets to create income
and how well the bank is employing shareholders' equity to create income.  ROA
decreased slightly quarter to quarter (1.13% vs 1.12%) due to slightly lower
levels of income on a marginally higher asset base, and ROE declined from 11.55%
to 10.60% due primarily to higher overall levels of shareholders' equity because
of the turnaround in the value of the securities portfolio.

      Liquidity

      On a quarterly basis, or as may be necessitated by significant changes in
the marketplace, the bank, through its Asset and Liability Committee ("ALCO")
reviews its asset/liability management policy. During the first quarter the bank
increased loan rates including mortgage rates, in particular, to reflect changes
in the overall market and increased the rates paid on deposits to maintain its
deposit base and counter competitive pressures.

      Shawnee manages its liquidity position by continually evaluating its
funding needs and the cost and terms of funding sources.

      Net cash from operating activities during the first quarter was provided
by net income, increased by non-cash related items such as depreciation expense,
for a net overall increase of $250,000.

      Net cash flows from investing activities during the quarter, including
proceeds from the maturities of investment securities, were primarily redeployed
by purchasing additional investment securities.  The bank was also able to
marginally increase loans during the quarter, reversing a decline in lending of
$352,000 during the fourth quarter of 1994.  Areas of lending which increased
included student loans and commercial loans.  Overall, net cash provided by
investing activities increased by $247,000 during the quarter.

      The net level of deposits increased by $795,000 during the first quarter.
This was primarily due to the bank's increase in demand deposits of 12.8%.  Cash
flows were decreased by the payment of a dividend in the first quarter.

      Overall, net cash and cash equivalents increased by $1,277,000 during the
quarter.  In addition, federal funds sold and repayments on loans provide
sources of short-term liquidity.   Further, Shawnee's securities portfolio
provides liquidity due to the active markets for the securities held.


        MARKET AND DIVIDEND INFORMATION CONCERNING SHAWNEE COMMON STOCK

      There has never been an organized public trading market for Shawnee Common
Stock.  Shawnee Common Stock is traded occasionally in the over-the-counter
market.  At the present time, there are no securities dealers which make a
market for Shawnee Common Stock, and NASDAQ does not report prices for trades of
Shawnee Common Stock.  While Shawnee's management from time to time receives
information concerning trades of Shawnee Common Stock, it does not have any
reliable basis on which to provide information concerning trades of Shawnee
Common Stock, and it does not have any reliable basis on which to provide
information concerning  

                                      -38-
<PAGE>
 
historical ranges of trading prices or bid-and-asked quotations. On January 4,
1995, prior to the announcement of the Shawnee Merger, 300 shares of Shawnee
Common Stock were traded by parties not affiliated with Shawnee at a price of
$92 per share. Because of the limited trading in Shawnee Common Stock, this
price should not necessarily be considered as indicative of Shawnee Common
Stock's true market value.

      For 1994, Shawnee declared an annual dividend of $2.70 per share.  For
1993, the annual dividend was $2.60 per share.  Under the terms of the Plan of
Merger, Shawnee is permitted to pay prior to the effective date of the Merger a
prorated dividend for 1995 based on the annual rate of $2.70 per share.  The
amount of this dividend will depend upon the timing of the merger and of the
record date for the first Keystone dividend following the Merger.

      While banking laws and regulations limit the amount of dividends that may
be paid by Shawnee, these laws and regulations would not currently restrict the
payment by Shawnee of dividends at Shawnee's historical rates.


                              BUSINESS OF SHAWNEE

HISTORY AND BUSINESS

      The Everett Bank was incorporated on December 21, 1949 as a Pennsylvania
banking institution. In 1986, the shareholders of The Everett Bank approved a
reorganization into a holding company structure, whereby The Everett Bank became
the sole subsidiary of the newly-created Shawnee Financial Services Corporation
("Shawnee").  Shawnee's headquarters are located at 115 East Main Street,
Everett, Pennsylvania 15537, a two-story building in downtown Everett which
contains a full service banking facility and the central administration offices
of Shawnee.

      Shawnee, through its sole subsidiary, The Everett Bank, transacts business
with customers primarily within its local trade area, which is concentrated in
Bedford County, Pennsylvania.  Shawnee engages in a full-service commercial
banking business within the vicinity of its service area.  It offers various
loan services, including secured and non-secured commercial and consumer loans,
construction and mortgage loans, all types of deposit services, including check
services, and interest-bearing demand, savings and other time deposits.
Shawnee's business is not seasonal in nature, but does vary with the business
cycle.  In addition, as a community bank, Shawnee's profitability is impacted by
the commercial activity in Bedford County.

      As of March 31, 1995, The Everett Bank had total assets of approximately
$71,209,000, total shareholders' equity of approximately $8,053,000, and total
deposits and liabilities of approximately $62,627,000.

      Major classifications of loans are summarized as follows:

<TABLE>
<CAPTION>
                                            MARCH 31,         DECEMBER 31,      
                                                        ------------------------
                                              1995         1994         1993    
                                           -----------  -----------  -----------
<S>                                        <C>          <C>          <C>        
Commercial........................         $ 2,339,866  $ 2,387,347  $ 3,760,268
Real Estate - Construction........             471,293    1,201,212      582,979
Real Estate - Mortgage............          16,738,711   16,011,682   15,271,983
Installment Loans to Individuals..          18,563,650   18,694,713   19,391,395
Other.............................           1,657,331    1,564,913    1,284,900
                                           -----------  -----------  -----------
                                           $39,830,651  $39,859,867  $40,291,525 
</TABLE>

      In addition to its main office in Everett, the Bank has three branch
offices located in Bedford, Breezewood and Loysburg, Pennsylvania.  All of these
facilities are owned by Shawnee.  Management believes all such  

                                      -39-
<PAGE>
 
facilities are in good repair and well suited to their current uses. The
Northern Bedford County branch office in Loysburg was significantly updated and
expanded in 1993.

      In the past two years, the Bank added four automated teller machines
("ATMs") to various locations.  These machines permit customers to conduct
routine banking transactions 24 hours a day, and all but one are located on the
premises of a banking office.  All the ATMs are part of the MAC Network, which
consists of over 14,000 ATMs owned by numerous banks and savings and loans in
over 16 states.

      As of December 31, 1994, the Bank had 38 full-time employees and seven
part-time employees. The Bank believes its relationship with its employees to be
good.

COMPETITION

      The Everett Bank competes actively with other commercial banks and savings
and loans in its area, many of which are larger than The Everett Bank, as well
as with major banking and financial institutions headquartered elsewhere.  The
Everett Bank is generally competitive with all competing financial institutions
in its service area with respect to interest rates paid on time and savings
deposits, service charges on deposit accounts and interest rates charged on
loans.  Recently, a number of competitors have begun to offer enhanced financial
services and products, including mutual funds, to their customers which The
Everett Bank does not offer.

REGULATION AND SUPERVISION

      Shawnee is a bank holding company, registered as such with the Federal
Reserve Board under the Bank Holding Company Act of 1956.  As a bank holding
company, Shawnee is required to file with the Federal Reserve Board an annual
report and other information.  The Federal Reserve Board is also empowered to
make examinations and inspections of Shawnee and its subsidiary.

      In addition, The Everett Bank is subject to the supervision of and is
regularly examined by the Pennsylvania Department of Banking and the Federal
Deposit Insurance Corporation ("FDIC"), and is subject to certain regulations of
the Federal Reserve Board.  The areas of operation of The Everett Bank which are
subject to regulation by federal and Pennsylvania laws, regulations and
regulatory agencies include reserves against deposits, maximum interest rates
for specific classes of loans, truth-in-lending and truth-in-savings disclosure,
permissible types of loans and investments, mergers and acquisitions, issuance
of securities, payment of dividends, Community Reinvestment Act evaluations,
establishment of branches and other aspects of operations.

      Shawnee is not a reporting company under the Exchange Act and is therefore
not required to file reports with the Securities and Exchange Commission.
Shawnee has regularly provided its shareholders with an Annual Report which has
included audited financial statements.

                                      -40-
<PAGE>
 
                             MANAGEMENT OF SHAWNEE

      The table below provides information concerning the Board of Directors and
executive officers of Shawnee.  Share ownership information contained in the
table reflects beneficial ownership (see note (1) to the table) of Shawnee
Common Stock as of June 19, 1995, and is based upon information furnished by or
on behalf of the persons referred to in the table.

<TABLE>
<CAPTION>
                                                                AMOUNT AND       PERCENTAGE
                                                                NATURE OF            OF
                                                  DIRECTOR      BENEFICIAL       OUTSTANDING
                                                     OF        OWNERSHIP OF        SHAWNEE
NAME, PRINCIPAL OCCUPATION DURING THE             SHAWNEE     SHAWNEE COMMON        COMMON
PAST FIVE YEARS, OTHER DIRECTORSHIPS        AGE    SINCE       STOCK (1)(2)         STOCK
- ------------------------------------        ---    -----       ------------         -----

<S>                                         <C>   <C>         <C>                <C>
Term Ending in 1998:
 
Samuel K. Bohn............................   66    1986           3,000             3.74%
  Director and President of Shawnee;                
  Director, President and                           
  Secretary of The Everett Bank                     
                                                   
Stephen G. McCahan, Jr....................   63    1986             225               (3)
  Director of Shawnee; Director of                   
  The Everett Bank; President of Everett             
  Rexall Pharmacy Inc., Everett and Saxon,           
  Pennsylvania                                       
                                                   
Barry R. Scatton..........................   48    1988             220               (3)
  Director of Shawnee; Director of                   
  The Everett Bank; Attorney-at-Law,                 
  Bedford County, Pennsylvania                       
                                                   
Term Ending in 1997:                               
                                                   
Constance B. Cragan.......................   45    1993             240               (3)
  Director of Shawnee; Director of                   
  The Everett Bank; Owner of Cragan                  
  Insurance Agency                                   
                                                   
B. Frank Dunkle, Jr.......................   66    1986           1,700             2.12%
  Director and Secretary of Shawnee;
  Director, Vice President and
  Assistant Secretary of The Everett
  Bank; Owner and Tax Consultant for
  B. F. Dunkle Services, Everett,
  Pennsylvania

Carl R. Feather...........................   55    1993             200               (3)
  Director of Shawnee; Director of
  The Everett Bank; Owner, Feather
  Mobile Home Sales
</TABLE> 

                                      -41-
<PAGE>
 
<TABLE>
<CAPTION>
                                                                AMOUNT AND       PERCENTAGE
                                                                NATURE OF            OF
                                                  DIRECTOR      BENEFICIAL       OUTSTANDING
                                                     OF        OWNERSHIP OF        SHAWNEE
NAME, PRINCIPAL OCCUPATION DURING THE             SHAWNEE     SHAWNEE COMMON        COMMON
PAST FIVE YEARS, OTHER DIRECTORSHIPS        AGE    SINCE       STOCK (1)(2)         STOCK
- ------------------------------------        ---    -----       ------------         -----

<S>                                         <C>   <C>         <C>                <C> 
Term Ending in 1996:
 
L. Frank Bittner...........................  66    1986           8,648  (4)       10.79%
  Chairman of the Board of Shawnee;   
  Chairman of the Board of The Everett
  Bank; President of Breezewood       
  Enterprises and Snyder's Gateway,   
  a truck stop gasoline, restaurant
  and rest stop complex in Breezewood,
  Pennsylvania
   
John H. Jordan.............................  88    1986           2,420             3.02%
  Director and Treasurer of Shawnee;
  Director and Vice President of
  The Everett Bank; Attorney-at-Law,
  Bedford County, Pennsylvania
 
Other Executive Officers
 
Ralphard L. Black..........................  52      --             452               (3)
  Vice President of Shawnee, Executive
  Vice President of The Everett Bank,
  not a director
  
All directors and executive officers
of Shawnee as a group (9 persons)............................... 17,105            21.33%
</TABLE> 
_______________

(1)  Under regulations of the Securities and Exchange Commission, a person who
     has or shares voting or investment power with respect to a security is
     considered a beneficial owner of the security.  Voting power is the power
     to vote or direct the voting of shares, and investment power is the power
     to dispose of or direct the disposition of shares.  Unless otherwise
     indicated in the other footnotes below, each director and officer has sole
     voting power and sole investment power with respect to the shares indicated
     opposite his name in the table  .

(2)  Includes 5,652 shares held jointly with spouses.

(3)  Less than one percent of the outstanding shares.

(4)  Includes 3,846 shares held by Alice C. Bittner, wife of L. Frank Bittner,
     for which Mr. Bittner disclaims beneficial ownership.

      Each of the persons listed above has held the position described above or
other executive positions with the same entity (or a subsidiary thereof) for at
least the past five years.

                                      -42-
<PAGE>
 
               CERTAIN BENEFICIAL OWNERS OF SHAWNEE COMMON STOCK

      The following table sets forth, as of June 19, 1995, and as to each person
who owns of record, or who is known by the Board of Directors of Shawnee to be
the beneficial owner of, more than 5% of the outstanding shares of Shawnee
Common Stock, the name and address of such person, the number of shares
beneficially owned and the percentage of the outstanding shares of Shawnee
Common Stock so owned:

<TABLE>
<CAPTION>
                                                                 PERCENTAGE OF
                                                                  OUTSTANDING   
                                           AMOUNT AND NATURE OF     SHAWNEE     
NAME AND ADDRESS                           BENEFICIAL OWNERSHIP   COMMON STOCK  
- ----------------                           --------------------   ------------
<S>                                        <C>                   <C>            
                                                                                
L. Frank Bittner (1)                               8,648            10.79%      
  Everett, Pennsylvania                                                         
                                                                                
June A. Derrick                                   12,600            15.71%      
  Everett, Pennsylvania                                                         
                                                                                
Mid-State Bank and                                                              
  Trust Company (2)                                6,708             8.37%      
  Altoona, Pennsylvania                  
</TABLE>

_______________

(1)  Includes 3,856 shares held by Alice C. Bittner, wife of L. Frank Bittner,
     for which Mr. Bittner disclaims beneficial ownership.

(2)  Mid-State is a wholly owned bank subsidiary of Keystone.  These shares are
     held by Mid-State in a fiduciary capacity, as trustee of a trust under
     which Mid-State has sole voting and investment power over the shares.  It
     is anticipated that these shares will be voted in favor of approval of the
     Plan of Merger.  The amount shown in the table does not include 300 shares
     of Shawnee Common Stock held by Mid-State in a custodial account over which
     it has no voting or investment power.


                         SHAWNEE'S INDEPENDENT AUDITORS

      Edwards Leap & Sauer, Inc., Shawnee's auditors since 1966, have been
selected to serve as Shawnee's independent auditors for 1995.  Services provided
to Shawnee by Edwards Leap & Sauer, Inc. include examination of Shawnee's
financial statements and consultation in connection with accounting-related and
tax matters.  It is not expected that a representative of Edwards Leap & Sauer,
Inc. will attend the Shawnee Special Meeting.

                                      -43-
<PAGE>
 
          COMPARISON OF KEYSTONE COMMON STOCK AND SHAWNEE COMMON STOCK

GENERAL

      Upon consummation of the Merger, shareholders of Shawnee will become
shareholders of Keystone.  Since the Articles of Incorporation ("Articles") and
By-Laws of Keystone and Shawnee are not the same, the Merger will result in
certain changes in the rights of the holders of Shawnee Common Stock.  The
material differences in the rights of holders of Keystone Common Stock and
Shawnee Common Stock are discussed below.


VOTING RIGHTS

      General.  The holders of Keystone Common Stock, like the holders of
Shawnee Common Stock, are generally entitled to one vote for each share held of
record on all matters submitted to a shareholder vote and do not have cumulative
voting rights in the election of directors.  The absence of cumulative voting
means that a nominee for director must receive the votes of a plurality of the
shares voted in order to be elected.

      Special Votes for Certain Transactions.  The Articles of Keystone and
Shawnee contain provisions requiring special shareholder votes to approve
certain types of transactions.  In the absence of these provisions, either the
transactions would require approval by a majority of the shares voted at a
meeting or no shareholder vote would be required.

      Keystone's Articles require that certain transactions between Keystone or
a subsidiary and an "interested shareholder" be approved by the votes of the
holders of (1) 75% of the voting power of all outstanding voting stock of
Keystone and (2) a majority of the voting power of the voting stock not
beneficially owned by the interested shareholder.  An "interested shareholder"
is generally defined by Keystone's Articles to mean a person or a group acting
in concert that beneficially owns more than 20% of the voting power of
Keystone's outstanding voting stock.

      The transactions subject to Keystone's special vote requirements include
(1) a merger, consolidation or share exchange of Keystone or a subsidiary with
an interested shareholder, (2) the sale, lease, exchange or other disposition,
or the loan, mortgage, pledge or investment, by Keystone or a subsidiary of 5%
or more of Keystone's assets to, with or for the benefit of an interested
shareholder, (3) the issuance or transfer to an interested shareholder of
securities of Keystone or a subsidiary valued at 5% or more of Keystone's
consolidated total assets, (4) the adoption of any plan for the liquidation of
Keystone proposed by or on behalf of an interested shareholder, (5) any
reclassification of securities, recapitalization of Keystone, merger or
consolidation of Keystone with a subsidiary or other transaction which increases
the percentage of any class of stock of Keystone or a subsidiary owned by an
interested shareholder and (6) any other transaction which is similar in purpose
or effect to the foregoing.

      Keystone's special shareholder vote requirements do not apply to any
transaction approved by a majority of the "disinterested directors."  A
disinterested director is any member of the Keystone Board who is not an
interested shareholder or an affiliate, associate or representative of an
interested shareholder and who (1) was a director before the interested
shareholder became an interested shareholder or (2) is a successor to a
disinterested director and was recommended for election by a majority of the
disinterested directors then on the Board.

      Shawnee's Articles require that certain transactions involving Shawnee be
approved by the vote of the holders of at least 75% of the outstanding shares of
Shawnee Common Stock.  The transactions subject to Shawnee's special voting
requirements are a merger, consolidation, liquidation or dissolution of Shawnee
or any action that would result in the sale or other disposition of all or
substantially all of the assets of Shawnee.

                                      -44-
<PAGE>
 
BOARD OF DIRECTORS

      Classified Boards.  The Articles of Keystone and the By-Laws of Shawnee
divide the Board of Directors into three classes, each consisting of one-third
(or as near as may be) of the whole number of the Board of Directors.  One class
of directors is elected at each Annual Meeting of Shareholders, and each class
serves for a term of three years.

      The number of directors which constitute the full Board of Directors of
Keystone may be increased or decreased only by the Board of Directors, by a vote
including a majority of the disinterested directors then in office, and except
as otherwise required by law, vacancies on the Board of Directors of Keystone,
including vacancies resulting from an increase in the size of the Board, may be
filled only by the Board of Directors by a similar vote.  Directors elected by
the Board to fill vacancies serve for the full remainder of the term of the
class to which they have been elected.

      Shawnee's By-Laws provide that Shawnee's Board of Directors shall consist
of not less than six nor more than 25 directors, and that within those limits
the Board may fix the number of directors.  Vacancies on the Shawnee Board,
including vacancies resulting from an increase in the number of directors, may
be filled by a majority vote of the remaining directors (though less than a
quorum).  Directors elected by the Board to fill vacancies serve for the
remainder of the term of the class to which they have been elected.  The
shareholders of Shawnee can also change the number of Shawnee directors by
amending the By-Laws in accordance with the provisions described below and may
at the same meeting elect directors to fill any vacancies created by an increase
in the size of the Board.

      Removal of Directors.  Keystone's Articles provide that a director, any
class of directors or the entire Board of Directors may be removed from office
by shareholder vote only for cause and only if, in addition to any other vote
required by law, such removal is approved by a majority of the voting power of
the outstanding voting stock of Keystone which is not beneficially owned by an
interested shareholder.

      Shawnee's Articles and By-Laws are silent as to removal of directors by
shareholder vote.  Under the Pennsylvania Business Corporation Law ("BCL"),
because Shawnee has a classified Board, the entire Board, any class of directors
or any individual director may be removed from office only for cause by a
majority of the votes cast at a meeting of the Shawnee shareholders.  In
addition, the entire Board may be removed from office with or without cause by
the unanimous vote or consent of the holders of Shawnee Common Stock.

      Nomination of Director Candidates.  The Articles of Keystone and the By-
Laws of Shawnee require that any shareholder intending to nominate a candidate
for election as a director must give the corporation advance written notice of
the nomination, containing certain specified information.  Keystone's Articles
require that the notice be given not later than 120 days in advance of the
meeting at which the election is to be held.  Shawnee's By-Laws require the
notice to be given not less than 60 days prior to the meeting at which the
election is to be held.


AMENDMENT OF ARTICLES AND BY-LAWS

      Proposal of amendments.  Because Shawnee does not have a class of
securities registered under the Exchange Act, the BCL provides that amendments
to Shawnee's Articles may be proposed either (1) by the Board of Directors or
(2) by a petition of the holders of not less than 10% of the outstanding Shawnee
Common Stock.  Under the BCL, because Keystone's Common Stock is registered
under the Exchange Act, the shareholders of Keystone are not entitled by statute
to propose amendments to Keystone's Articles.  Any amendment to Keystone's
Articles must first be proposed by Keystone's Board of Directors.  Any
shareholder of Shawnee or Keystone may propose an amendment to the corporation's
By-Laws.

      Approval of Amendments.  Keystone's Articles require the votes of the
holders of (1) 75% of the voting power of all outstanding voting stock of
Keystone and (2) a majority of the voting power of the voting stock not

                                      -45-
<PAGE>
 
beneficially owned by an interested shareholder to approve any amendment to
Keystone's Articles or By-Laws.  The special voting requirement does not apply
to any amendment approved by a majority of the disinterested directors if at the
time of such approval the disinterested directors constitute a majority of
Keystone's Board.  Under applicable provisions of the BCL, such amendments may
be adopted by a majority of the votes cast at a meeting of Keystone
shareholders.  Except as to matters for which a shareholder vote is required by
statute, Keystone's Board may also amend the By-Laws without shareholder
approval by a vote including a majority of the disinterested directors then in
office.

      Shawnee's Articles require the vote of the holders of at least 75% of the
outstanding Shawnee Common Stock to approve any amendment of the special
shareholder vote provisions described above under "Voting Rights--Special Votes
for Certain Transactions."  Under applicable provisions of the BCL, amendments
to other provisions of Shawnee's Articles may be approved by a majority of the
votes cast at a meeting of Shawnee shareholders.

      Shawnee's By-Laws require the vote of the holders of at least 75% of the
outstanding Shawnee Common Stock to adopt any amendment to the By-Laws of
Shawnee.  Except as to matters for which a shareholder vote is required by
statute, Shawnee's Board may also amend the By-Laws without shareholder approval
by a majority vote of the members of the Board.


KEYSTONE SHAREHOLDER RIGHTS PLAN

      Keystone has established a shareholder rights plan under which each share
of Keystone Common Stock presently outstanding or which is issued hereafter
prior to the Distribution Date (defined below) is granted one preferred share
purchase right (a "Right").  Each Right entitles the registered holder to
purchase from Keystone eight one-thousandths (8/1,000ths) of a share of Series A
Junior Participating Preferred Stock, par value $1.00 per share (the "Preferred
Shares"), of Keystone at a price of $56.00 per eight one-thousandths of a
Preferred Share, subject to adjustment in the event of stock dividends and
similar events occurring prior to the Distribution Date.  Each eight one-
thousandths of a Preferred Share would have voting, dividend and liquidation
rights which are the approximate equivalent of one share of Keystone Common
Stock.

      The Rights are not exercisable until the Distribution Date, which is the
earlier to occur of (i) 10 days following a public announcement that a person or
group (an "Acquiring Person") has acquired beneficial ownership of 20% or more
of the outstanding Keystone Common Stock or (ii) 10 business days (unless
extended by the Board of Directors prior to any person or group becoming an
Acquiring Person) following the commencement of, or announcement of an intention
to make, a tender offer or exchange offer the consummation of which would result
in the beneficial ownership by a person or group of 20% or more of the
outstanding Keystone Common Stock.

      Until the Distribution Date, the Rights will be transferred with and only
with Keystone Common Stock, and the surrender for transfer of any certificate
for Keystone Common Stock will also constitute the transfer of the Rights
associated with the shares represented by such certificate.  As soon as
practicable following the Distribution Date, separate certificates evidencing
the Rights will be mailed to holders of record of Keystone Common Stock as of
the close of business on the Distribution Date, and the Rights will then become
separately tradeable.

      In the event that any person becomes an Acquiring Person, each holder of a
Right, other than Rights beneficially owned by the Acquiring Person or its
associates or affiliates (which will be void), will thereafter have the right to
receive upon exercise that number of Common Shares or, at the option of
Keystone, Preferred Shares (or shares of a class or series of Keystone's
preferred stock having equivalent rights, preferences and privileges) or, in
certain circumstances, other securities or assets, having a market value of two
times the exercise price of the Right.  In the event that after the first public
announcement that any person has become an Acquiring Person, Keystone is
acquired in a merger or other business combination transaction or 50% or more of
its consolidated assets or earning power are sold, proper provision will be made
so that each holder of a Right, other than rights beneficially owned by the
Acquiring Person or its associates or affiliates (which will be void) will
thereafter have  

                                      -46-
<PAGE>
 
the right to receive, upon exercise of the Right, that number of shares of
common stock of the acquiring company which at the time of such transaction will
have a market value of two times the exercise price of the Right.

      At any time after the acquisition by a person or group of beneficial
ownership of 20% or more of the outstanding Keystone Common Stock and prior to
the acquisition by such person or group of 50% or more of the outstanding
Keystone Common Stock, the Board of Directors may exchange the Rights (other
than Rights owned by such person or group, which have become void), in whole or
in part, at an exchange ratio of one share of Keystone Common Stock, or eight
one-thousandths of a Preferred Share (or of a share of a class or series of
Keystone's preferred stock having equivalent rights, preferences and
privileges), or, in certain circumstances, an amount of other securities or
assets having equivalent value, per Right (subject to adjustment).

      At any time prior to the acquisition by a person or group of beneficial
ownership of 20% or more of the outstanding Keystone Common Stock, the Board of
Directors may redeem the Rights in whole, but not in part, at a price of $.01
per Right.

      Prior to the Distribution Date, the terms of the Rights may be amended by
the Board of Directors in any respect whatever, without the consent of the
holders of the Rights, except for an amendment that would reduce the redemption
price.  Prior to any person becoming an Acquiring Person, Keystone may without
the consent of the holders of the Rights lower the 20% thresholds referred to
above to not less than the greater of (i) any percentage greater than the
largest percentage of the outstanding Keystone Common Stock then known to
Keystone to be beneficially owned by any person or group of affiliated or
associated persons and (ii) 10%.  The Rights will expire on February 8, 2000,
unless the expiration date is extended or unless the Rights are earlier redeemed
by Keystone as described above.


PENNSYLVANIA BUSINESS CORPORATION LAW

      The provisions of Keystone's Articles described under "Voting Rights" and
"Board of Directors" above and Keystone's shareholder rights plan are in
addition to certain provisions of Chapter 25 of the BCL which may have the
effect of discouraging or rendering more difficult a hostile takeover attempt
against Keystone.  Because it does not have a class of securities registered
under the Exchange Act, Shawnee is not subject to these provisions.

      Under Section 2538 of the BCL, any merger, consolidation, share exchange
or sale of assets between Keystone or a subsidiary and any Keystone shareholder,
any division of Keystone in which any Keystone shareholder receives a
disproportionate amount of any shares or other securities of any corporation
resulting from the division, any voluntary dissolution of Keystone in which a
Keystone shareholder is treated differently from other shareholders of the same
class or any reclassification in which any Keystone shareholder's voting or
economic interest in Keystone is materially increased relative to substantially
all other shareholders must, in addition to any other shareholder vote required,
be approved by a majority of the votes which all shareholders other than the
shareholder receiving the special treatment are entitled to cast with respect to
the transaction.  This special vote requirement does not apply to a transaction
(1) which has been approved by a majority vote of the Board, without counting
the vote of certain directors affiliated with or nominated by the interested
shareholder or (2) in which the consideration to be received by Keystone's
shareholders is not less than the highest amount paid by the interested
shareholder in acquiring shares of the same class.

      Under Subchapter 25E of the BCL, if any person or group acting in concert
acquires voting power over Keystone shares representing 20% or more of the votes
which all Keystone shareholders would be entitled to cast in an election of
directors, any other Keystone shareholder may demand that such person or group
purchase such shareholder's shares at a price determined in an appraisal
proceeding.

      Under Subchapter 25G of the BCL, Keystone may not engage in merger,
consolidation, share exchange, division, asset sale or a variety of other
"business combination" transactions with a person which becomes the "beneficial
owner" of Keystone shares representing 20% or more of the voting power in an
election of Keystone  

                                      -47-
<PAGE>
 
directors unless (1) the business combination or the acquisition of the 20%
interest is approved by Keystone's Board of Directors prior to the date the 20%
interest is acquired, (2) the person beneficially owns at least 80% of the
outstanding shares and the business combination (a) is approved by a majority
vote of the disinterested shareholders and (b) satisfies certain minimum price
and other conditions prescribed in Subchapter 25F, (3) the business combination
is approved by a majority vote of the disinterested shareholders at a meeting
called no earlier than five years after the date the 20% interest is acquired or
(4) the business combination (a) is approved by shareholder vote at a meeting
called no earlier than five years after the date the 20% interest is acquired
and (b) satisfies certain minimum price and other conditions prescribed in
Subchapter 25F

      Keystone has elected to opt out from coverage by Subchapter 25G of the
BCL, which would have required a shareholder vote to accord voting rights to
control shares acquired by a 20% shareholder in a control-share acquisition, and
Subchapter 25H of the BCL, which would have required a person or group to
disgorge to Keystone any profits received from a sale of Keystone's equity
securities within 18 months after the person or group acquired or offered to
acquire 20% of Keystone's voting power or publicly disclosed an intention to
acquire control of Keystone.


DISSENTERS' RIGHTS

      The BCL provides for dissenters' rights in a variety of transactions
including:  (i) mergers or consolidations to which a corporation is a party
(other than mergers not requiring a shareholder vote); (ii) certain sales,
leases or exchanges of all or substantially all of the assets of a corporation;
and (iii) certain share exchanges or plans of division.  However, except in the
case of (1) a merger, consolidation, share exchange or division in which their
shares would be converted into or exchanged for something other than shares of
the surviving, new, acquiring or other corporation (or cash in lieu of
fractional shares) or (2) a transaction in which certain shareholders receive
materially different treatment from that accorded other holders of the same
class or series of shares, shareholders of a Pennsylvania business corporation
are not entitled to dissenters' rights in any of the transactions mentioned
above if their stock is either listed on a national securities exchange or held
of record by 2,000 or more shareholders.  Neither the Keystone nor Shawnee
Common Stock is listed on a national securities exchange.  However, Keystone
currently has more than 2,000 shareholders of record, and Shawnee currently has
fewer than 2,000 shareholders of record.  Shareholders of Shawnee will have the
right to dissent from the Merger.  See "Plan of Merger--Dissenters' Rights of
Shawnee Shareholders."


PREFERRED STOCK

      Shawnee's Articles do not authorize any class of stock other than Shawnee
Common Stock.  The Articles of Keystone authorize Keystone to issue up to
8,000,000 shares of Keystone preferred stock.

      The authorized shares of Keystone preferred stock are issuable in one or
more series on the terms set by the resolution or resolutions of Keystone's
Board of Directors providing for the issuance thereof.  Each series of preferred
stock would have such dividend rate, which might or might not be cumulative,
such voting rights, which might be general or special, and such liquidation
preferences, redemption and sinking funds provisions, conversion rights or other
rights and preferences, if any, as Keystone's Board of Directors may determine.
Except for such rights as may be granted to the holders of any series of
preferred stock in the resolution establishing such series or as required by
law, all of the voting and other rights of the shareholders of Keystone belong
exclusively to the holders of Keystone Common Stock.


DIVIDEND RIGHTS

      The holders of Shawnee Common Stock and Keystone Common Stock are entitled
to dividends when, as and if declared by their Board of Directors out of funds
legally available therefor.  However, if Keystone preferred  

                                      -48-
<PAGE>
 
stock is issued, the Board of Directors of Keystone may grant preferential
dividend rights to the holders of such stock which would prohibit payment of
dividends on the Keystone Common Stock unless and until specified dividends on
the preferred stock had been paid.


LIQUIDATION RIGHTS

      Upon liquidation, dissolution or winding up of Keystone or Shawnee,
whether voluntary or involuntary, the holders of Keystone or Shawnee Common
Stock are entitled to share ratably in the assets of the corporation available
for distribution after all liabilities of the corporation have been satisfied.
However, if preferred stock is issued by Keystone, the Board of Directors of
Keystone may grant preferential liquidation rights to the holders of such stock
which would entitle them to be paid out of the assets of the corporation
available for distribution before any distribution is made to the holders of
Keystone Common Stock.


MISCELLANEOUS

      There are no preemptive rights, sinking fund provisions, conversion
rights, or redemption provisions applicable to Keystone or Shawnee Common Stock.
Holders of fully paid shares of Keystone or Shawnee Common Stock are not subject
to any liability for further calls or assessments.


                                LEGAL OPINIONS
                                        
      Opinions with respect to certain legal matters in connection with the
Merger will be rendered by Reed Smith Shaw & McClay, Pittsburgh, Pennsylvania,
as counsel for Keystone, and by Buchanan Ingersoll Professional Corporation,
Pittsburgh, Pennsylvania, as counsel for Shawnee.


                                    EXPERTS
                                        
      The consolidated financial statements of Keystone incorporated by
reference in Keystone's Annual Report (Form 10-K) for the year ended December
31, 1994 have been audited by Ernst & Young LLP, independent auditors, as set
forth in their report thereon included therein and incorporated herein by
reference.  Such consolidated financial statements are incorporated herein by
reference in reliance upon such report given upon the authority of such firm as
experts in auditing and accounting.

      The consolidated financial statements of Shawnee appearing on pages F-2
through F-18 of this Proxy Statement/Prospectus have been audited by Edwards,
Leap & Sauer, independent auditors, whose report thereon is included herein on
page F-1.  Such financial statements have been included herein in reliance upon
such report, given upon the authority of said firm as experts in auditing and
accounting.


                                 OTHER MATTERS
                                        
      The management of Shawnee does not know of any other matters intended to
be presented for shareholder action at the Special Meeting.  If any other matter
does properly come before the Special Meeting and is put to a shareholder vote,
the proxies solicited hereby will be voted in accordance with the judgment of
the proxyholders named thereon.

                                      -49-
<PAGE>
 
                  INDEX TO CONSOLIDATED FINANCIAL STATEMENTS


                                                                 PAGE
                                                                 ----
SHAWNEE FINANCIAL SERVICES CORPORATION AND SUBSIDIARY:

Audited Annual Financial Statements:
 
Report of Independent Auditors..................................  F-1
 
Consolidated Balance Sheets as of December 31, 1994 and 1993....  F-2
 
Consolidated Statements of Income for the years ended
    December 31, 1994, 1993 and 1992............................  F-3
 
Consolidated Statements of Changes in Stockholders' Equity for
    the years ended December 31, 1994, 1993 and 1992............  F-4
 
Consolidated Statements of Cash Flows for the years ended
    December 31, 1994, 1993 and 1992............................  F-5
 
Notes to Consolidated Financial Statements......................  F-6
 
Unaudited Interim Financial Statements
 
Consolidated Balance Sheets as of March 31, 1995 and December 
    31, 1994 (unaudited)........................................ F-19
 
Consolidated Statements of Income for three-month periods ended
    March 31, 1995 and 1994 (unaudited)......................... F-20
 
Consolidated Statements of Changes in Stockholders' Equity for
    three-month periods ended March 31, 1995 and 1994 
    (unaudited)................................................. F-21
 
Consolidated Statements of Cash Flows for three-month periods 
    ended March 31, 1995 and 1994 (unaudited)................... F-22
 
Notes to Consolidated Financial Statements (unaudited).......... F-23

                                      -50-
<PAGE>
 
                         INDEPENDENT AUDITORS' REPORT

                    [LETTERHEAD OF EDWARDS, LEAP AND SAUER]

To the Board of Directors
Shawnee Financial Services Corporation
Everett, Pennsylvania


We have audited the accompanying consolidated balance sheets of Shawnee
Financial Services Corporation and Subsidiary, as of December 31, 1994 and 1993,
and the related consolidated statements of income, changes in stockholders'
equity and cash flows for the years ended December 31, 1994, 1993 and 1992.
These financial statements are the responsibility of the Corporation's
management. Our responsibility is to express an opinion on these financial
statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of Shawnee Financial
Services Corporation and Subsidiary, as of December 31, 1994 and 1993, and the
results of its operations and its cash flows for the years ended December 31,
1994, 1993 and 1992 in conformity with generally accepted accounting principles.

As discussed in Note A to the financial statements, the Bank changed its method
of accounting for investment securities by adopting Financial Accounting
Standards Board No. 115 "Accounting for Certain Investments in Debt and Equity
Securities."


                                           s/ Edwards, Leap & Sauer


EDWARDS, LEAP & SAUER
Hollidaysburg, Pennsylvania
January 31, 1995

                                      F-1
<PAGE>
 
CONSOLIDATED BALANCE SHEETS
SHAWNEE FINANCIAL SERVICES CORPORATION

<TABLE>
<CAPTION>
                                                                       DECEMBER 31,
                                                                 -------------------------
                                                                    1994           1993
                                                                 ----------     ----------

<S>                                                             <C>            <C>
ASSETS

  Cash and due from banks                                       $ 2,978,991    $ 2,993,064
  Interest-bearing deposits                                       1,091,000      3,954,000
  Investment securities                                          18,227,117     18,349,962
     (market value of $19,288,735 for 1993)
  Federal funds sold                                              5,900,000      5,250,000
  Loans, net                                                     38,707,461     38,831,713
  Premises and equipment, net                                     2,194,054      2,382,203
  Other assets                                                      852,311        630,576
                                                                -----------    -----------

         Total assets                                           $69,950,934    $72,391,518
                                                                ===========    ===========


LIABILITIES AND STOCKHOLDERS' EQUITY

LIABILITIES

  Deposits
    Non-interest-bearing                                        $ 7,867,090    $ 7,679,608
    Interest-bearing                                             53,783,190     56,470,387
                                                                -----------    -----------

         Total deposits                                          61,650,280     64,149,995

  Dividends payable                                                 196,451        188,432
  Accrued interest and other liabilities                            522,915        747,385
                                                                -----------    -----------

         Total liabilities                                       62,369,646     65,085,812

STOCKHOLDERS' EQUITY

  Capital stock, $10 par value, 1,000,000 shares
    authorized; 80,870 shares issued of which
    80,184 are outstanding                                          808,700        808,700
  Surplus                                                           671,935        671,935
  Retained earnings                                               6,387,222      5,876,521
  Net unrealized holding losses on
    securities available for sale                                  (235,119)             0
                                                                -----------    -----------

     7,632,738                                                    7,357,156
  Less: treasury stock, 686 shares at cost                          (51,450)       (51,450)
                                                                -----------    -----------
                                                                                             
         Total stockholders' equity                               7,581,288      7,305,706   
                                                                -----------    -----------   
                                                                                             
         Total liabilities and                                                               
            stockholders' equity                                $69,950,934    $72,391,518   
                                                                ===========    ===========    
 </TABLE>

  The accompanying notes are an integral part of the financial statements.   

                                      F-2
<PAGE>
 
CONSOLIDATED STATEMENTS OF INCOME
SHAWNEE FINANCIAL SERVICES CORPORATION


<TABLE>
<CAPTION>
                                                            YEARS ENDED DECEMBER 31,
                                                     ---------------------------------------
                                                         1994          1993         1992     
                                                     -----------   -----------   -----------  
                                                                                             
<S>                                                  <C>           <C>           <C>        
INTEREST INCOME                                                                              
  Loans                                              $ 3,443,191   $ 3,403,912   $ 3,255,668 
  Investment securities                                1,273,873     1,253,638     1,334,187 
  Interest-bearing deposits                               79,073       208,369       272,788 
  Federal funds sold                                     293,477       208,404       170,177 
                                                     -----------   -----------   -----------  
                                                                                             
                                                       5,089,614     5,074,323     5,032,820 
INTEREST EXPENSE                                                                             
  Deposits                                             2,007,075     2,038,678     2,199,492 
                                                     -----------   -----------   -----------  
                                                                                             
       NET INTEREST INCOME                             3,082,539     3,035,645     2,833,328 
                                                                                             
PROVISION FOR LOAN LOSSES                                      0             0             0 
                                                     -----------   -----------   -----------  
                                                                                             
       NET INTEREST INCOME AFTER                                                             
         PROVISION FOR LOAN LOSSES                     3,082,539     3,035,645     2,833,328 
                                                                                             
OTHER INCOME                                                                                 
  Service fees                                            79,510        69,874        42,773 
  Other                                                   65,256        75,179        48,629 
  Net investment gains (losses)                                0         9,300       (21,950)
  Gain on sale of equipment                                    0         3,700             0 
                                                     -----------   -----------   -----------  
                                                                                             
                                                         144,766       158,053        69,452 
                                                                                             
OTHER EXPENSES                                                                               
  Salaries                                               913,234       829,935       728,183 
  Pension and other employee benefits                    223,195       230,393       217,382 
  Occupancy expense                                      121,905       115,601       134,290 
  Depreciation                                           210,583       213,394       176,734 
  Other                                                  790,263       703,407       710,532 
                                                     -----------   -----------   -----------  
                                                                                             
                                                       2,259,180     2,092,730     1,967,121 
                                                     -----------   -----------   -----------  
                                                                                             
       INCOME BEFORE INCOME TAXES                        968,125     1,100,968       935,659 
                                                                                             
PROVISION FOR INCOME TAXES                               240,927       266,474       207,175 
                                                     -----------   -----------   -----------  
                                                                                             
       NET INCOME                                     $  727,198    $  834,494   $   728,484 
                                                     ===========   ===========   ===========   
                                                                                             
NET INCOME PER SHARE OF CAPITAL STOCK                 $     9.07    $    10.35   $      9.01 
                                                     ===========   ===========   ===========   
 </TABLE>


  The accompanying notes are an integral part of the financial statements.   

                                      F-3
<PAGE>
 
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
SHAWNEE FINANCIAL SERVICES CORPORATION

YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992



<TABLE>
<CAPTION>
                                                                       NET
                                                                    UNREALIZED
                            CAPITAL                     RETAINED      HOLDING     TREASURY
                             STOCK        SURPLUS       EARNINGS      LOSSES        STOCK           TOTAL
                            -------      ---------      --------      ------      ---------       ---------

<S>                        <C>           <C>           <C>          <C>           <C>            <C>
Balance at
December 31, 1991          $ 808,700     $  659,965   $ 4,724,196                                $ 6,192,861

Net income                                                728,484                                    728,484
Cash dividends                                           (202,175)                                  (202,175)
                           ---------      ---------    -----------   -----------  ---------      ------------

Balance at
December 31, 1992            808,700        659,965     5,250,505                                  6,719,170

Net income                                                834,494                                    834,494
Cash dividends                                           (208,478)                                  (208,478)
Treasury stock
   purchased                                                                      $(171,600)        (171,600)
Treasury stock sold                          11,970                                 120,150          132,120
                           ---------     ----------    -----------   ----------   ---------      -----------

Balance at
December 31, 1993            808,700        671,935     5,876,521                   (51,450)       7,305,706

Net income                                                727,198                                    727,198
Cash dividends                                           (216,497)                                  (216,497)
Net unrealized holding
   losses on securities
   available for sale                                                $(235,119)                     (235,119)
                           ---------     ----------    -----------   ----------   ---------       ----------

Balance at
December 31, 1994          $ 808,700      $ 671,935   $ 6,387,222   $ (235,119)   $ (51,450)     $ 7,581,288
                           =========      =========   ===========   ==========    =========      ===========
 </TABLE>

  The accompanying notes are an integral part of the financial statements.   

                                      F-4
<PAGE>
 
CONSOLIDATED STATEMENTS OF CASH FLOWS
SHAWNEE FINANCIAL SERVICES CORPORATION

<TABLE>
<CAPTION>
                                                            YEARS ENDED DECEMBER 31,
                                                  ---------------------------------------------
                                                      1994            1993            1992
                                                  -------------   -------------   -------------

<S>                                               <C>             <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES
  Net income                                        $  727,198      $  834,494     $  728,484
  Adjustments to reconcile net income to net
       cash provided by operating activities:
    Depreciation                                       210,583         213,394        176,734
    (Gain) loss on sale of investment
       securities                                            0          (9,300)        21,950
    (Gain) on sale of equipment                              0          (3,700)             0
    Increase in other assets                          (100,613)       (154,274)       (23,867)
    (Decrease) increase in accrued interest
      and other liabilities                           (224,470)        (75,220)       135,902
                                                     ---------       ---------     ----------

      NET CASH PROVIDED BY
       OPERATING ACTIVITIES                            612,698         805,394      1,039,203


CASH FLOWS FROM INVESTING ACTIVITIES
  Net decrease in interest-bearing deposits          2,863,000       1,981,000        999,000
  Proceeds from sales and maturities
    of investment securities                         4,930,000      17,537,031     14,280,178
  Purchase of investment securities                 (5,163,396)    (17,131,463)   (17,559,334)
  Net decrease (increase) in loans                     124,252      (7,796,985)      (594,145)
  Premises and equipment expenditures                  (22,434)       (443,626)       (93,888)
  Proceeds from sale of equipment                            0           3,700              0
                                                    ----------     -----------    -----------

       NET CASH PROVIDED (USED) BY
        INVESTING ACTIVITIES                         2,731,422      (5,850,343)    (2,968,189)


CASH FLOWS FROM FINANCING ACTIVITIES
  Net (decrease) increase in deposits               (2,499,715)      3,202,900      6,279,990
  Proceeds from sale of treasury stock                       0         132,120              0
  Purchase of treasury stock                                 0        (171,600)             0
  Dividends paid                                      (208,478)       (202,089)      (194,003)
                                                   -----------     -----------    -----------

        NET CASH (USED) PROVIDED BY
         FINANCING ACTIVITIES                       (2,708,193)      2,961,331      6,085,987
                                                   -----------     -----------    -----------

NET INCREASE (DECREASE) IN CASH
  AND CASH EQUIVALENTS                                 635,927      (2,083,618)     4,157,001

  Cash and cash equivalents at beginning of year     8,243,064      10,326,682      6,169,681
                                                   -----------     -----------    -----------

CASH AND CASH EQUIVALENTS
  AT END OF YEAR                                   $ 8,878,991     $ 8,243,064    $10,326,682
                                                   ===========     ===========    ===========
</TABLE>

  The accompanying notes are an integral part of the financial statements.

                                      F-5
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE A - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

PRINCIPLES OF CONSOLIDATION:  The consolidated financial statements include the
accounts of Shawnee Financial Services Corporation and its wholly-owned
subsidiary, The Everett Bank.  All significant intercompany accounts have been
eliminated in the consolidation.

INVESTMENT SECURITIES:  In May 1993, the Financial Accounting Standards Board
(the FASB) issued Statement of Financial Accounting Standards No. 115,
"Accounting for Certain Investments in Debt and Equity Securities." Statement
No. 115 requires all investments in debt and equity securities to be classified
into three categories. Securities which management has positive intent and
ability to hold until maturity are classified as held to maturity. Securities
held to maturity are stated at cost, adjusted for amortization of premium and
accretion of discount, computed primarily under the interest method. Securities
that are bought and held principally for the purpose of selling them in the near
term are classified as trading securities. All other securities are classified
as available for sale securities. Unrealized holding gains and losses for
trading securities are included in earnings. Unrealized gains and losses for
available for sale securities are excluded from earnings and reported as a net
amount and separate component of stockholders' equity until realized.

As required by Statement No. 115, management implemented the standard on January
1, 1994 and classified its entire securities portfolio as available for sale due
to the identification of circumstances which could result in the securities not
being held to maturity. Circumstances resulting in securities sales could
include, but are not limited to, changes in market interest rates, changes in
prepayment risk, income tax considerations, and liquidity needs. At this time,
management has no intention of establishing a trading securities classification.

Interest and dividends on securities are reported as interest income. Gains and
losses realized on sales of securities represent the differences between net
proceeds and carrying values determined by the specific identification method.

LOANS AND ALLOWANCE FOR LOAN LOSSES:  Loans are stated at unpaid principal
balances, less the allowance for loan losses and net unearned discounts.

Unearned discounts on installment loans are recognized as income over the term
of the loans using a method that approximates the interest method.

Loans are placed on nonaccrual when a loan is specifically determined to be
impaired. Any unpaid interest previously accrued on those loans is reversed from
income. Interest income generally is not recognized on specific impaired loans
unless the likelihood of further loss is remote. Interest payments received on
such loans are applied as a reduction of the loan principal balance. Interest
income on other nonaccrual loans is recognized only to the extent of interest
payments received.

The allowance for loan losses is maintained at a level which, in management's
judgement, is adequate to absorb potential losses inherent in the loan
portfolio. The amount of the allowance is based on management's evaluation of
the collectibilty of the loan portfolio, including the nature of the portfolio,
credit concentrations, trends in historical loss experience, specific impaired
loans, and economic conditions. Allowances for impaired loans generally are
determined based on collateral values or the present value of estimated cash
flows. The allowance is increased by a provision for loan losses, which is
charged to expense, and reduced by charge-offs, net of recoveries. Changes in
the allowance relating to impaired loans are charged or credited to the
provision for loan losses.

                                      F-6
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE A - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

PREMISES AND EQUIPMENT:  Premises and equipment are stated at cost less
accumulated depreciation. Depreciation is computed on the straight-line method
and accelerated methods over the estimated useful lives of the assets ranging
from 3 to 40 years.  Expenditures for maintenance and repairs are charged to
expense as incurred.  Cost of major additions or improvements are capitalized.
When premises and equipment are removed or otherwise disposed of, the cost and
related accumulated depreciation are removed from the accounts, and any
resulting gain or loss is credited or charged to income.

INCOME TAXES:  In February 1992, the FASB issued Statement of Financial
Accounting Standards No. 109, "Accounting for Income Taxes." Statement No. 109
requires a change from the deferred method of accounting for income taxes of APB
Opinion 11 to the asset and liability method of accounting for income taxes.
Under the asset and liability method of Statement No. 109, deferred tax assets
and liabilities are recognized for the future tax consequences attributable to
differences between the financial statement carrying amounts of existing assets
and liabilities and their respective tax bases. Deferred tax assets and
liabilities are measured using enacted tax rates expected to apply to taxable
income in the years in which those temporary differences are expected to be
recovered or settled. Under Statement No. 109, the effect on deferred tax assets
and liabilities of a change in tax rates is recognized in income in the period
that includes the enactment date.

Effective January 1, 1993, management adopted Statement No. 109 and reported the
cumulative effect of that change in the method of accounting for income taxes in
the accompanying 1993 statement of income.

EARNINGS PER SHARE:  Earnings per share are calculated on the basis of the
weighted average number of common shares outstanding.

CASH FLOW INFORMATION:  For purposes of the Statements of Cash Flows, cash and
cash equivalents are defined as those amounts included in the balance sheet
captions Cash and due from banks and Federal funds sold.

Cash payments for interest in 1994, 1993 and 1992 were $2,185,657, $1,997,160
and $2,079,466, respectively.  Cash payments for income taxes for 1994, 1993 and
1992 were $339,249, $281,575 and $145,549, respectively.

RECLASSIFICATIONS:  Certain amounts in 1993 and 1992 have been reclassified to
conform with the 1994 presentation.

                                      F-7
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE B - INVESTMENT SECURITIES

Securities available for sale consisted of the following:

<TABLE>
<CAPTION>
                                            December 31, 1994
                             ------------------------------------------------
 
                                            Gross       Gross      Estimated
                              Amortized   Unrealized  Unrealized    Market
                                Cost        Gains       Losses       Value
                             -----------  ----------  ----------  -----------
<S>                          <C>          <C>         <C>         <C>    
U.S. Treasury securities     $ 5,691,352  $    2,815  $  206,123  $ 5,488,044
Obligations of other U.S.
  government agencies          8,296,813      16,590     351,939    7,961,464
Obligations of states and
  political subdivisions       3,184,621      47,069      53,157    3,178,533
Stocks                           216,235     214,680           0      430,915
Corporate notes                1,194,337         196      26,372    1,168,161
                             -----------    --------    --------  -----------
 
                             $18,583,358  $  281,350  $  637,591  $18,227,117
                             ===========  ==========  ==========  ===========


<CAPTION>  
                                           December 31, 1993
                             ------------------------------------------------
 
                                            Gross       Gross       Estimated
                              Amortized   Unrealized  Unrealized     Market
                                Cost        Gains       Losses       Value
                             -----------  ----------  ----------  -----------
<S>                          <C>          <C>         <C>         <C>    
U.S. Treasury securities     $ 5,293,058  $  162,308  $    2,689  $ 5,452,677
Obligations of other U.S.
  government agencies          7,899,117     285,454       4,932    8,179,639
Obligations of states and
  political subdivisions       3,614,578     192,642         755    3,806,465
Stocks                           216,235     257,814           0      474,049
Corporate notes                1,326,974      49,663         732    1,375,905
                             -----------  ----------  ----------  -----------
 
                             $18,349,962  $  947,881  $    9,108  $19,288,735
                             ===========  ==========  ==========  ===========
</TABLE>

The amortized cost and estimated market values as of December 31, 1994, by
contractual maturity, are shown below.  Expected maturities will differ from
contractual maturities because borrowers may have the right to call or prepay
obligations with or without call or prepayment penalties.

                                      F-8
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION


 
NOTE B - INVESTMENT SECURITIES (CONTINUED)

<TABLE> 
<CAPTION> 
                                               Amortized    Estimated
                                                  Cost     Market Value
                                              -----------  ------------
<S>                                           <C>          <C>
Due in one year or less                       $ 3,084,929   $ 3,076,654
Due after one year through five years          12,834,310    12,363,185
Due after five years through ten years          2,353,339     2,262,452
Due after ten years                                94,545        93,911
                                              -----------   -----------
 
                                               18,367,123    17,796,202
Stocks                                            216,235       430,915
                                              -----------   -----------
 
        Total                                 $18,583,358   $18,227,117
                                              ===========   ===========
</TABLE>

Investment securities with a carrying amount of approximately $5,300,000 at
December 31, 1994 were pledged to secure deposits as required or permitted by
law.


NOTE C - LOANS

Major classifications of loans are as follows:

<TABLE> 
<CAPTION> 
                                                      December 31,                                     
                                                ------------------------                             
                                                                                                     
                                                    1994         1993                                
                                                -----------  -----------                             
<S>                                             <C>          <C> 
Commercial                                                                                           
Real estate - construction                      $ 2,387,347  $ 3,760,268                             
Real estate - mortgage                            1,201,212      582,979                             
Installment loans to individuals                 16,011,682   15,271,983                             
Other                                            18,694,713   19,391,395                             
                                                  1,564,913    1,284,900                             
                                                -----------  -----------                             
                                                                                                     
Less:    Unearned  discount                      39,859,867   40,291,525                             
         Allowance for loan losses                  968,419    1,275,694                             
                                                    183,987      184,118                             
                                                -----------  -----------                             
         Net Loans                                                                                   
                                                $38,707,461  $38,831,713                            
                                                ===========  ===========  
</TABLE>                                      

The Bank's primary business activity is with customers located within its local
trade area which is concentrated in Bedford County,  Pennsylvania.  Commercial,
residential and personal loans are granted.  Although the loan portfolio is
diversified, loans outstanding to individuals and businesses are dependent upon
local economic conditions in the immediate trade area.

Loans on which the accrual of interest has been discontinued amounted to
$170,600 at December 31, 1994 and 1993.  The gross amount of interest which
would have been recorded if all such loans had been accruing interest at their
original terms from the date of being placed on nonaccrual is $53,399 for 1994
and $37,949 for 1993.

                                      F-9
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE C - LOANS (CONTINUED)

In the normal course of business, loans are extended to directors and executive
officers and their associates. In management's opinion, all of these loans are
on substantially the same terms and conditions as loans to other individuals and
businesses of comparable creditworthiness.

A summary of loans to executive officers and directors, including associates of
such persons, is as follows:

<TABLE>
<CAPTION>
                                                                1994          
                                                             ----------
<S>                                                          <C>       
Loans at beginning of year                                   $  953,473
New loans                                                     1,315,202
Loan payments                                                  (438,942)
                                                             ----------
                                                                       
Loans at end of year                                         $1,829,733
                                                             ========== 
</TABLE> 

Changes in the allowance for loan losses were as follows:

<TABLE>
<CAPTION>
 
                                                       1994              1993             1992           
                                                   ----------        ----------       ----------         
<S>                                                <C>               <C>              <C>              
Balance, beginning of year                         $  184,118        $  195,788       $  206,503         
Provision charged to operations                             0                 0                0         
Loans charged off                                     (10,623)          (15,135)         (15,731)        
Recoveries                                             10,492             3,465            5,016         
                                                   ----------        ----------       ----------  
                                                                                                         
                                                   $  183,987        $  184,118       $  195,788         
                                                   ==========        ==========       ==========          
</TABLE>

NOTE D - PREMISES AND EQUIPMENT

Major classes of premises and equipment are summarized as follows:

<TABLE>
<CAPTION>
                                                                            December 31,
                                                                     ---------------------------
                                                                        1994             1993
                                                                     ----------       ---------- 
<S>                                                                  <C>              <C>
Land                                                                 $  337,247       $  337,247
Buildings and improvements                                            1,839,486        1,839,486
Furniture and equipment                                               1,541,516        1,519,082
                                                                     ----------       ----------

                                                                      3,718,249        3,695,815
Less:  Accumulated depreciation                                       1,524,195        1,313,612
                                                                     ----------       ----------

                                                                     $2,194,054       $2,382,203
                                                                     ==========       ==========
</TABLE>                                            

Depreciation expense amounted to $210,583, $214 and  $176,734 for the years
ended December 31, 1994, 1993 and 1992, respectively.
                                              
                                     F-10
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE E - INCOME TAXES

As discussed in Note A, management implemented Statement No. 109 as of January
1, 1993.  The cumulative effect of this change in accounting for income taxes
was a deferred benefit of $24,621 as of January 1, 1993 and is reported in the
statement of income for the year ended December 31, 1993.

The provision for income taxes consist of:

<TABLE>
<CAPTION>
                                        1994           1993           1992   
                                     ----------     ----------     ----------
                                                                              
<S>                                  <C>            <C>            <C>        
Current                              $  234,167     $  287,752     $  207,175
Deferred                                  6,760        (21,278)             0
                                     ----------     ----------     ----------
                                                                              
      Total                          $  240,927     $  266,474     $  207,175
                                     ==========     ==========     ========== 
</TABLE>

The significant components of temporary differences under Statement No. 109 for
1994 and 1993 are as follows:

<TABLE>
<CAPTION>
                                        1994          1993             
                                     ----------    -----------          
                                                                        
<S>                                  <C>           <C>                  
Provision for loan losses            $      838    $   (12,307)         
Depreciation                              1,243         18,586          
Other                                     4,679        (27,557)         
                                     ----------    -----------          
                                                                        
       Total                         $    6,760    $   (21,278)         
                                     ==========    ===========           
</TABLE>                              

A reconciliation of the federal statutory tax rate to the effective tax rate
applicable to income before income taxes follows:

<TABLE>
<CAPTION>
                                           1994                 1993                 1992
                                   -------------------  -------------------  -------------------
                                                % of                 % of                 % of
                                               Pretax               Pretax               Pretax
                                     Amount    Income     Amount    Income     Amount    Income
                                     ------    ------     ------    ------     ------    ------

<S>                                <C>         <C>      <C>         <C>      <C>         <C>
Provision at statutory rate         $329,163     34.0%   $374,329     34.0%   $318,124     34.0%
Effect of tax free income            (79,737)    (8.2)    (91,560)    (8.3)    (98,917)    (9.1)
Non-deductible interest expense        7,507       .8       9,016       .8      10,945      1.0
Other                                (16,006)    (1.7)    (25,311)    (2.3)    (22,977)    (3.8)
                                    --------     ----    --------     ----    --------     ----
 
  Actual tax expense and
    effective rate                  $240,927     24.9%   $266,474     24.2%   $207,175     22.1%
                                    ========     ====    ========     ====    ========     ====
</TABLE>

                                     F-11
 
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE E - INCOME TAXES (CONTINUED)

The deferred tax assets and deferred tax liabilities recorded on the balance
sheet as of December 31, 1994 are as follows:

<TABLE>
<CAPTION>
                                                                 Deferred Tax                
                                                          ------------------------------                
                                                             Assets          Liabilities                
                                                          -----------        -----------                 
                                                                                                        
<S>                                                         <C>              <C>                        
Provision for loan losses                                 $    11,469        $         0                
Depreciation                                                        0             19,530                
Pension expense                                                21,505                  0                
Unrealized holding losses on                                                                            
  available for sale securities                               121,122                  0                
Other                                                           1,074                  0                
                                                          -----------        -----------                
                                                                                                        
                                                          $   155,170        $    19,530                
                                                          ===========        ===========                 
</TABLE>

NOTE F - PENSION PLANS

The Bank has a non-contributory defined benefit pension plan covering
substantially all employees meeting minimum age and service requirements.  The
plan generally provides benefits based on years of credited service and final
average earnings.  The current funding policy is to contribute annually the
maximum amount that can be deducted for federal income tax purposes.  Pension
plan assets are primarily mortgage-backed securities. Changes in plan assets
values attributable to differences between actual and expected returns on plan
assets are deferred as unrecognized gains or losses and included in the
determination of the pension cost over time.


Net pension expense for 1994, 1993 and 1992 consisted of the following:

<TABLE>
<CAPTION>
                                                         1994               1993               1992     
                                                   -----------        -----------        -----------     

<S>                                                <C>                <C>                <C>         
Service-cost benefits earned during the year       $    36,689        $    40,392        $    30,737    
Interest accrued on projected benefit obligation        69,765             60,414             54,025    
Actual return on plan assets                           (71,332)           (68,615)           (66,664)   
Net amortization and deferral                            2,163              8,180             11,477    
                                                   -----------        -----------        -----------     
                                                                                                        
    Net pension expense                            $    37,285        $    40,371        $    29,575    
                                                   ===========        ===========        ===========     
</TABLE>

                                     F-12
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE F - PENSION PLANS (CONTINUED)

The following table sets forth the plan's funded status and amounts recognized
in the accompanying balance sheets at December 31, 1994 and 1993:

<TABLE>
<CAPTION>
                                                             1994         1993
                                                         ------------  -----------
<S>                                                      <C>           <C>
Actuarial present value of benefit obligations:
  Accumulated benefit obligation, including
    vested benefits (based upon retirement date)
    of $749,134 and $653,449 for 1994 and
    1993, respectively.                                  $  (759,580)   $(707,501)
                                                         ===========    =========
 
Projected benefit obligation                             $(1,034,990)   $(904,102)
Plan assets at fair value                                    957,705      838,531
                                                         -----------    ---------
 
Projected benefit obligation in excess of plan assets        (77,285)     (65,571)
 
Unrecognized actuarial gain                                   54,449       31,072
Unrecognized prior service costs                               9,642       10,177
Unrecognized transition credit                               (49,518)     (52,588)
                                                         -----------    ---------
Prepaid (accrued) pension costs included
  in the balance sheet                                   $   (62,712)   $ (76,910)
                                                         ===========    =========
 
</TABLE>

The projected benefit obligation was determined using an assumed discount rate
of 7.5% for 1994 and 1993 and 5.5% for 1992.  The expected rate of increase in
compensation was 5.5% for each year and the assumed rate of return on plan
investment earnings was 7.5% for 1994 and 1993 and 8.0% for 1992.

The Bank maintains a profit sharing plan covering substantially all employees.
Contributions to the plan are at the discretion of the Board of Directors.
Amounts charged to operations during 1994, 1993 and 1992 were $0, $30,792 and
$48,025, respectively.


NOTE G - COMMITMENTS AND CONTINGENCIES

In the normal course of business, there are various outstanding commitments and
certain contingent liabilities which are not reflected in the accompanying
financial statements.  These commitments and contingent liabilities represent
financial instruments with off-balance-sheet risk.  The contract or notional
amounts of those instruments were comprised of commitments to extend credit
approximating $912,700 and $1,780,000 as of December 31, 1994 and 1993,
respectively.

The instruments involve, to varying degrees, elements of credit and interest
rate risk in excess of the amount recognized in the balance sheet.  The same
credit policies are used in making commitments and conditional obligations as
for on-balance-sheet instruments.  The amount of collateral obtained, if deemed
necessary upon extension of credit, is based on management's credit evaluation.
The terms are typically for a one year period, with an annual renewal option
subject to prior approval by management.

                                     F-13
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE G - COMMITMENTS AND CONTINGENCIES (CONTINUED)

Commitments to extend credit are agreements to lend to a customer as long as
there is no violation of any condition established in the loan agreement.  These
commitments are comprised primarily of available commercial and personal lines
of credit.

The exposure to loss under these commitments is limited by subjecting them to
credit approval and monitoring procedures.  Substantially all of the commitments
to extend credit are contingent upon customers maintaining specific credit
standards at the time of the loan funding.  Management assesses the credit risk
associated with certain commitments to extend credit in determining the level of
the allowance for loan loses. Since some of the commitments are expected to
expire without being drawn upon, the total contractual amounts do not
necessarily represent future funding requirements.

The Bank is involved in various legal actions from normal business activities.
Management believes that the liability, if any, arising from such actions will
not have a material adverse effect on the Bank's financial position.


NOTE H - RECENT ACCOUNTING PRONOUNCEMENTS

During 1992, the FASB issued Statement No. 107 "Disclosures about Fair Value of
Financial Instruments" which is effective for fiscal years ending after December
15, 1992, except for entities with less than $150 million in total assets.  For
those entities, the effective date is for fiscal years ending after December 15,
1995. Statement No. 107 requires disclosure of the fair value of financial
instruments, both assets and liabilities recognized and not recognized in the
financial statements, with exceptions for certain financial instruments.

In May 1993, the FASB issued Statement No. 114 "Accounting by Creditors for
Impairment of a Loan" which is effective for fiscal years beginning after
December 15, 1994.  Statement No. 114 addresses the methods to be used by a
creditor to measure the impairment of a loan and the proper recognition of a
change in the value of an impaired loan.

In October 1994,  the FASB issued Statement No. 118 "Accounting by Creditors for
Impairment of a Loan -Income Recognition and Disclosure" which amends Statement
No. 114 by allowing creditors to use existing methods for recognizing interest
income on impaired loans.  Statement No. 118 is effective concurrent with the
effective date of Statement No. 114.

In October 1994, the FASB issued Statement No. 119 "Disclosure About Derivative
Financial Instruments and Fair Value of Financial Instruments"  which is
effective for calendar year 1994 financial statements, except for entities with
less than $150 million in total assets having a one year delay.  Statement No.
119 primarily requires disclosures about the amounts, nature and terms of
derivatives that do not fall under FASB's Statement No. 105 "Disclosures of
Information about Financial Instruments with Off-Balance Sheet Risk and
Financial Instruments with Concentrations of Credit Risk."

Management is currently evaluating the combined financial statement impact of
these statements.


                                     F-14
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE I - SUBSEQUENT EVENT (PROPOSED MERGER)

On January 5, 1995, Shawnee Financial Services Corporation entered into a
preliminary merger agreement with Keystone Financial, Inc., a Pennsylvania
corporation (Keystone).  Under the terms of the agreement, Shawnee will be
merged with and into Keystone, which will be the surviving corporation.  Each
outstanding share of Shawnee's common stock will be converted into 6.25 shares,
subject to adjustment, of Keystone common stock, par value $2.00 per share.
Simultaneously with or following the merger, Shawnee's subsidiary, The Everett
Bank, will be merged with and into Mid-State Bank and Trust Company, a
Pennsylvania bank and trust company and wholly-owned subsidiary of Keystone.
Management believes the merger will be finalized during 1995.

                                     F-15
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE J - PARENT COMPANY ONLY - CONDENSED FINANCIAL STATEMENTS

CONDENSED BALANCE SHEETS

<TABLE> 
<CAPTION> 
                                                        December 31,       
                                                 -------------------------
                                                     1994          1993   
                                                 -------------   ---------
<S>                                               <C>          <C> 
ASSETS                                                                   
                                                                         
   Cash                                           $  285,427   $  290,723
   Taxes receivable                                   27,485       17,507
   Investment in subsidiary                        7,163,929    6,959,483
   Furniture and equipment                           172,262      234,026
   Other assets                                      137,970            0
                                                  ----------   ----------
                                                                         
       Total assets                               $7,787,073   $7,501,739
                                                  ==========   ========== 
 
LIABILITIES AND STOCKHOLDERS' EQUITY

LIABILITIES
 
   Dividends payable                            $  196,451    $  188,433
   Deferred tax liability                            9,334         7,600
                                                ----------    ----------
 
       Total liabilities                           205,785       196,033
 
 
STOCKHOLDERS' EQUITY
 
   Capital stock                                   808,700       808,700
   Additional paid-in capital                      671,935       671,935
   Retained earnings                             6,387,222     5,876,521
   Net unrealized holding losses on
      securities available for sale               (235,119)            0
                                                ----------    ----------
 
                                                 7,632,738     7,357,156
 
   Less: treasury stock, 686 shares at cost        (51,450)      (51,450)
                                                ----------    ----------
 
       Total stockholders' equity                7,581,288     7,305,706
                                                ----------    ----------
 
       Total liabilities and
          stockholders' equity                  $7,787,073    $7,501,739
                                                ==========    ==========
 </TABLE>

                                     F-16
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE J - PARENT COMPANY ONLY - CONDENSED FINANCIAL STATEMENTS (CONTINUED)

CONDENSED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                              Years Ended December 31,
                                       ---------------------------------
                                         1994         1993        1992
                                       ---------    ---------   --------
 
<S>                                    <C>         <C>         <C>    
INCOME
   Dividend income                     $216,497    $208,478    $202,175
   Gain on sale of asset                      0       3,700           0
                                       --------    --------    --------
 
                                        216,497     212,178     202,175
 
GENERAL AND ADMINISTRATIVE
  EXPENSES
   Depreciation                          71,720      50,322           0
   Miscellaneous                          4,017       4,760       3,873
                                       --------    --------    --------
 
                                         75,737      55,082       3,873
                                       --------    --------    --------
 
          INCOME BEFORE
            INCOME TAXES                140,760     157,096     198,302
 
INCOME TAXES CREDIT                     (25,751)     (9,907)     (1,317)
                                       --------    --------    --------
 
          INCOME BEFORE EQUITY IN
            UNDISTRIBUTED EARNINGS
            OF SUBSIDIARY               166,511     167,003     199,619
 
EQUITY IN UNDISTRIBUTED
   EARNINGS OF SUBSIDIARY               560,687     667,492     528,865
                                       --------    --------    --------
 
          NET INCOME                   $727,198    $834,495    $728,484
                                       ========    ========    ========
</TABLE>

                                     F-17
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE J - PARENT COMPANY ONLY - CONDENSED FINANCIAL STATEMENTS (CONTINUED)

CONDENSED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
 
                                                      Years Ended December 31,
                                                 ----------------------------------
                                                    1994        1993        1992
                                                 ----------  ----------  ----------
<S>                                              <C>         <C>         <C>
 
CASH FLOWS FROM OPERATING
  ACTIVITIES
   Net income                                    $ 727,198   $ 834,495   $ 728,484
   Adjustments to reconcile net income to net
      cash provided by operating activities:
         Gain on sale of asset                           0      (3,700)          0
         Depreciation                               71,720      50,322           0
         Equity in undistributed
           earnings of subsidiary                 (560,687)   (667,492)   (528,865)
         Increase (decrease) in cash due to
           changes in assets and liabilities:
               Taxes receivable                     (9,978)    (16,190)       (666)
               Other assets                        (16,848)          0           0
               Deferred tax liability                1,734       7,600           0
                                                 ---------   ---------   ---------
 
           NET CASH PROVIDED BY
               OPERATING ACTIVITIES                213,139     205,035     198,953
 
CASH FLOWS FROM INVESTING
  ACTIVITIES
   Purchase of equipment                            (9,957)   (284,398)          0
   Proceeds from sale of equipment                       0       3,750           0
                                                 ---------   ---------   ---------
 
           NET CASH USED BY
               INVESTING ACTIVITIES                 (9,957)   (280,648)          0
 
CASH FLOWS FROM FINANCING
  ACTIVITIES
   Dividends paid                                 (208,478)   (202,088)   (194,003)
   Purchase of treasury stock                            0    (171,600)          0
   Proceeds from sale of treasury stock                  0     132,120           0
                                                 ---------   ---------   ---------
 
           NET CASH USED BY
               FINANCING ACTIVITIES               (208,478)   (241,568)   (194,003)
                                                 ---------   ---------   ---------
 
NET (DECREASE) INCREASE IN CASH                     (5,296)   (317,181)      4,950
 
   Cash at beginning of year                       290,723     607,904     602,954
                                                 ---------   ---------   ---------
 
CASH AT END OF YEAR                              $ 285,427   $ 290,723   $ 607,904
                                                 =========   =========   =========
</TABLE>

                                     F-18
<PAGE>
 
CONSOLIDATED BALANCE SHEETS
SHAWNEE FINANCIAL SERVICES CORPORATION
(UNAUDITED)
(IN THOUSANDS)

<TABLE> 
<CAPTION> 
                                                               MARCH 31,          DECEMBER 31, 
                                                                 1995                 1994                        
                                                              -----------         ------------                            
<S>                                                           <C>                 <C>                                     
ASSETS                                                                                                                  
                                                                                                                        
   Cash and due from banks                                    $     2,606         $      2,979                            
   Interest-bearing deposits                                          893                1,091                          
   Investment securities                                           18,557               18,227                          
   Federal funds sold                                               7,550                5,900                          
   Loans, net                                                      38,752               38,708                          
   Premises and equipment, net                                      2,137                2,194                          
   Other assets                                                       714                  852                          
                                                              -----------         ------------                            
                                                                                                                        
          Total assets                                        $    71,209         $     69,951                          
                                                              ===========         ============                            
                                                                                               
LIABILITIES AND STOCKHOLDERS' EQUITY                                                           
                                                                                               
                                                                                               
LIABILITIES                                                                                    
                                                                                               
   Deposits                                                                                    
      Non-interest-bearing                                    $     8,877         $      7,867 
      Interest-bearing                                             53,750               53,783 
                                                              -----------         ------------                            
                                                                                               
          Total deposits                                           62,627               61,650 
                                                                                               
   Dividends payable                                                    0                  197 
   Accrued interest and other liabilities                             529                  523 
                                                              -----------         ------------                            
                                                                                               
          Total liabilities                                        63,156               62,370 
                                                                                               
STOCKHOLDERS' EQUITY                                                                           
                                                                                               
   Capital stock, $10 par value, 1,000,000 shares authorized;                                  
      80,870 shares issued of which 80,184 are outstanding            809                  809 
   Surplus                                                            672                  672 
   Retained earnings                                                6,578                6,387 
   Net unrealized holding gains (losses) on securities                                         
     available for sale                                                46                 (235)
                                                              -----------         ------------                            
                                                                                               
                                                                    8,105                7,633 
   Less: treasury stock, 686 shares at cost                           (52)                 (52)
                                                              -----------         ------------                            
                                                                                               
          Total stockholders' equity                                8,053                7,581 
                                                              -----------         ------------                            
                                                                                               
          Total liabilities and                                                                
             stockholders' equity                             $    71,209         $     69,951  
                                                              ===========         ============                            
</TABLE>
                See notes to consolidated financial statements.

                                     F-19
<PAGE>
 
CONSOLIDATED STATEMENTS OF INCOME
SHAWNEE FINANCIAL SERVICES CORPORATION
(UNAUDITED)
(IN THOUSANDS, EXCEPT PER SHARE AND SHARE DATA)

<TABLE>
<CAPTION>
                                                  THREE MONTHS ENDED MARCH 31,
                                                  ----------------------------
                                                      1995           1994
                                                  -----------     ------------  

<S>                                               <C>              <C>
INTEREST INCOME
  Loans                                           $       841      $       839
  Investment securities                                   298              316
  Interest-bearing deposits                                14               31
  Federal funds sold                                      110               52
                                                  -----------      -----------
                                                                    
                                                        1,263            1,238        
INTEREST EXPENSE                                                    
  Deposits                                                542              507
                                                  -----------      -----------
                                                                    
       NET INTEREST INCOME                                721              731
                                                                    
PROVISION FOR LOAN LOSSES                                   0                0
                                                  -----------      -----------
                                                                    
       NET INTEREST INCOME AFTER                                    
          PROVISION FOR LOAN LOSSES                       721              731
                                                                    
OTHER INCOME                                                        
  Service fees                                             13               20
  Other                                                    27               22
                                                  -----------      -----------
                                                                    
                                                           40               42
                                                                    
OTHER EXPENSES                                                      
  Salaries                                                206              209
  Pension and other employee benefits                      42               47
  Occupancy expense                                        33               33
  Depreciation                                             53               53
  Other                                                   175              165
                                                  -----------      -----------
                                                                    
                                                          509              507
                                                  -----------      -----------
                                                                    
       INCOME BEFORE INCOME TAXES                         252              266
                                                                    
PROVISION FOR INCOME TAXES                                 61               72
                                                  -----------      -----------
                                                                    
       NET INCOME                                 $       191      $       194
                                                  ===========      ===========
                                                                    
NET INCOME PER SHARE OF CAPITAL STOCK             $      2.38      $      2.42
                                                  ===========      ===========
                                                                    
WEIGHTED AVERAGE NUMBER                                             
    OF SHARES OUTSTANDING                              80,184           80,184
                                                  ===========      ===========
</TABLE>

                See notes to consolidated financial statements.

                                     F-20
<PAGE>
 
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
SHAWNEE FINANCIAL SERVICES CORPORATION

THREE MONTHS ENDED MARCH 31, 1995 AND 1994
(UNAUDITED)
(IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                          NET                          
                                                                       UNREALIZED                      
                                                                         HOLDING                       
                          CAPITAL                       RETAINED          GAINS          TREASURY           
                           STOCK          SURPLUS       EARNINGS        (LOSSES)           STOCK          TOTAL  
                          -------         -------       --------        --------         ---------       ------- 
<S>                       <C>             <C>           <C>            <C>               <C>             <C>     
                                                                                                                 
Balance at                                                                                                       
December 31, 1993      $      809      $      672     $    5,877       $        0       $      (52)    $   7,306 
                                                                                                                 
Net income                                                   194                                             194 
Net unrealized holding                                                                                           
  gains on securities                                                                                            
  available for sale                                                          290                            290 
                       ----------      ----------     ----------       ----------       ----------     ---------
                                                                                                                 
Balance at                                                                                                       
March 31, 1994         $      809      $      672     $    6,071       $      290       $     (52)     $   7,790 
                       ==========      ==========     ==========       ==========       ==========     =========
                                                                                                                 
                                                                                                                 
                                                                                                                 
Balance at                                                                                                       
December 31, 1994      $      809      $      672     $    6,387       $     (235)      $     (52)     $   7,581 
                                                                                                                 
Net income                                                   191                                             191 
Net unrealized holding                                                                                           
  gains on securities                                                                                            
  available for sale                                                          281                            281 
                       ----------      ----------     ----------       ----------       ----------     ---------
                                                                                                                 
Balance at                                                                                                       
March 31, 1995         $      809      $      672     $    6,578       $       46       $     (52)     $   8,053 
                       ==========      ==========     ==========       ==========       ==========     =========
</TABLE>



                See notes to consolidated financial statements.

                                     F-21
<PAGE>
 
CONSOLIDATED STATEMENTS OF CASH FLOWS
SHAWNEE FINANCIAL SERVICES CORPORATION
(UNAUDITED)
(IN THOUSANDS)

<TABLE>
<CAPTION>
                                                               THREE MONTHS ENDED MARCH 31,
                                                              -----------------------------
                                                                  1995             1994
                                                              ----------        ----------- 
<S>                                                          <C>                <C>
CASH FLOWS FROM OPERATING ACTIVITIES
  Net income                                                     $   191            $   194 
  Adjustments to reconcile net income to net                                                
      cash provided by operating activities:                                                
    Depreciation                                                      53                 53  
    Loss on disposal of equipment                                      6                  0  
    (Increase) decrease in other assets                               (6)                14  
    Increase (decrease) in accrued interest                                                  
      and other liabilities                                            6               (130) 
                                                              ----------        ----------- 
                                                                                            
  NET CASH PROVIDED BY                                                                      
    OPERATING ACTIVITIES                                             250                131  
                                                                                             
CASH FLOWS FROM INVESTING ACTIVITIES                                                         
Net decrease in interest-bearing deposits                            198              1,389  
Proceeds from maturities of investment securities                  1,095              1,172  
Purchase of investment securities                                 (1,000)            (1,591) 
Net (increase) decrease in loans                                     (44)               352  
Premises and equipment expenditures                                   (2)                (3) 
                                                              ----------        ----------- 
                                                                                            
      NET CASH PROVIDED BY                                                                  
        INVESTING ACTIVITIES                                         247              1,319  
                                                                                             
CASH FLOWS FROM FINANCING ACTIVITIES                                                         
Net increase in deposits                                             977                182  
Dividends paid                                                      (197)              (188) 
                                                              ----------        ----------- 
                                                                                            
      NET CASH PROVIDED (USED) BY                                                           
        FINANCING ACTIVITIES                                         780                 (6)
                                                              ----------        ----------- 
                                                                                            
NET INCREASE IN CASH                                                                        
AND CASH EQUIVALENTS                                               1,277              1,444  
                                                                                             
Cash and cash equivalents at beginning of period                   8,879              8,243  
                                                              ----------        ----------- 
                                                                                            
CASH AND CASH EQUIVALENTS AT END OF PERIOD                       $10,156            $ 9,687
                                                              ==========        ===========  
</TABLE>


                See notes to consolidated financial statements.

                                     F-22
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(SELECTED INFORMATION - SUBSTANTIALLY ALL DISCLOSURES REQUIRED BY
 GENERALLY ACCEPTED ACCOUNTING PRINCIPLES ARE NOT INCLUDED)

SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE A - BASIS OF PRESENTATION

Management Representation:  The accompanying consolidated financial statements,
- -------------------------                                                      
which are unaudited, have been prepared in accordance with generally accepted
accounting principles for interim financial information and with the
instructions of Regulation S-X.  Accordingly, they do not include all of the
information and footnotes required by generally accepted accounting principles
for complete financial statements.  In the opinion of management, all
adjustments (consisting of normal recurring accruals) considered necessary for a
fair presentation have been included. Operating results for the three months
ended March 31, 1995 are not necessarily indicative of the results that may be
expected for the year ended December 31, 1995.  The interim consolidated
financial statements and the following discussion should be read in conjunction
with the consolidated financial statements and footnotes thereto included in the
Corporation's audited financial statements for the years ended December 31, 1994
and 1993.


NOTE B - CASH FLOW DISCLOSURES (IN THOUSANDS)

Supplemental Disclosures: Cash paid during the first three months of the year
- ------------------------                                                     
for interest and income taxes were as follows:

<TABLE>
<CAPTION>
                                                 1995   1994
                                                -----  -----
<S>                                             <C>    <C>
 
     Interest                                   $ 471  $ 469
     Income taxes                                   0     66
 
Non Cash Transactions:
- ---------------------
 
     Recorded unrealized gains on securities
        available for sale                        425    439
 
     Deferred income taxes on recorded
        unrealized gains on securities
        available for sale                        144    149
</TABLE>

NOTE C - EARNINGS PER SHARE

Earnings per common share are based on the weighted average number of common
shares outstanding during each period.


                                     F-23
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(SELECTED INFORMATION - SUBSTANTIALLY ALL DISCLOSURES REQUIRED BY
 GENERALLY ACCEPTED ACCOUNTING PRINCIPLES ARE NOT INCLUDED)

SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE D - INVESTMENT SECURITIES

In May 1993, the Financial Accounting Standards Board (the FASB) issued
Statement of Financial Accounting Standards No. 115, "Accounting for Certain
Investments in Debt and Equity Securities." Statement No. 115 requires all
investments in debt and equity securities to be classified into three
categories. Securities which management has positive intent and ability to hold
until maturity are classified as held to maturity.  Securities held to maturity
are stated at cost, adjusted for amortization of premium and accretion of
discount, computed primarily under the interest method.  Securities that are
bought and held principally for the purpose of selling them in the near term are
classified as trading securities.  All other securities are classified as
available for sale securities.  Unrealized holding gains and losses for trading
securities are included in earnings.  Unrealized holding gains and losses for
available for sale securities are excluded from earnings and reported as a net
amount and separate component of stockholders' equity until realized.

As required by Statement No. 115, management implemented the standard on January
1, 1994 and classified its entire securities portfolio as available for sale due
to the identification of circumstances which could result in the securities not
being held to maturity.  Circumstances resulting in securities sales could
include, but are not limited to, changes in market interest rates, changes in
prepayment risk, income tax considerations, and liquidity needs.  At this time,
management has no intention of establishing a trading securities classification.


NOTE E - RECENT ACCOUNTING PRONOUNCEMENTS

Prior to 1993, the FASB issued Statement No. 107 "Disclosure about Fair Value of
Financial Instruments" which is effective for fiscal years ending after December
15, 1992, except for entities with less than $150 million in total assets.  For
those entities, the effective date is for fiscal years ending after December 15,
1995.  Statement No. 107 requires disclosure of the fair value of financial
instruments, both assets and liabilities recognized and not recognized in the
financial statements, with exceptions for certain financial instruments.

In May 1993, the FASB issued Statement No. 114 "Accounting By Creditors for
Impairment of a Loan" which is effective for fiscal years beginning after
December 15, 1994.  Statement No. 114 addresses the methods to be used by a
creditor to measure the impairment of a loan and the proper recognition of a
change in the value of an impaired loan.

In October 1994, the FASB issued Statement No. 118 "Accounting by Creditors for
Impairment of a Loan -Income Recognition and Disclosure" which amends Statement
No. 114 by allowing creditors to use existing methods for recognizing interest
income on impaired loans.  Statement No. 118 is effective concurrent with the
effective date of Statement No. 114.

In October 1994, the FASB issued Statement No. 119 "Disclosure About Derivative
Financial Instruments and Fair Value of Financial Instruments" which is
effective for calendar year 1994 financial statements, except for entities with
less than $150 million in total assets having a one year delay.  Statement No.
119 primarily requires disclosures about the amounts, nature and terms of
derivatives that do not fall under FASB's Statement No. 105 "Disclosures of
Information about Financial Instruments with Off-Balance Sheet Risk and
Financial Instruments with Concentrations of Credit Risk."


                                     F-24
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
(SELECTED INFORMATION - SUBSTANTIALLY ALL DISCLOSURES REQUIRED BY
 GENERALLY ACCEPTED ACCOUNTING PRINCIPLES ARE NOT INCLUDED)

SHAWNEE FINANCIAL SERVICES CORPORATION



NOTE E - RECENT ACCOUNTING PRONOUNCEMENTS (CONTINUED)

Management implemented the above applicable standards for the three months ended
March 31, 1995 and determined that the combined financial statement impact of
these statements was not material.  Management is currently evaluating the
financial statement impact of Statement No. 107.


NOTE F - PROPOSED MERGER

On January 5, 1995, Shawnee Financial Services Corporation entered into a merger
agreement with Keystone Financial, Inc., a Pennsylvania corporation (Keystone).
Under the terms of the agreement, Shawnee will be merged with and into Keystone,
which will be the surviving corporation. Each outstanding share of Shawnee's
common stock will be converted into 6.25 shares, subject to adjustment, of
Keystone common stock, par value $2.00 per share. Simultaneously with or
following the merger, Shawnee's subsidiary, The Everett Bank, will be merged
with and into Mid-State Bank and Trust Company, a Pennsylvania bank and trust
company and wholly-owned subsidiary of Keystone. Management believes the merger
will be finalized during 1995.

                                     F-25
<PAGE>
 
                                                                         ANNEX I


                                                                    BERWIND
                                                       FINANCIAL GROUP, L.P.

                                       

                                                              Investment Banking
                                                                Merchant Banking


June 30, 1995



Board of Directors
Shawnee Financial Services Corporation
115 East Main Street
Everett, PA  15537

Directors:

      You have requested our opinion as to the fairness, from a financial point
of view, to the shareholders of Shawnee Financial Services Corporation
("Shawnee") of the financial terms of the proposed merger whereby Shawnee will
be merged into Keystone Financial, Inc. ("Keystone").  The terms of the proposed
merger (the "Proposed Merger") between Shawnee and Keystone are set forth in the
Agreement and Plan of Reorganization (the "Agreement") dated January 5, 1995,
and provide that each outstanding share of Shawnee common stock will be
converted into 6.25 shares of Keystone common stock subject to certain terms and
conditions as detailed in the Agreement.

      Berwind Financial Group, L.P., as part of its investment banking business,
regularly is engaged in the valuation of assets, securities and companies in
connection with various types of asset and security transactions, including
mergers, acquisitions, private placements and valuations for various other
purposes, and in the determination of adequate consideration in such
transactions.

      In arriving at our opinion, we have, among other things:  (i) reviewed the
historical financial performances, current financial positions and general
prospects of Shawnee and Keystone, (ii) reviewed the Agreement, (iii) reviewed
the Proxy Statement/Prospectus, (iv) reviewed and analyzed stock market
performance of Keystone, (v) studied and analyzed the consolidated financial and
operating data of Shawnee and Keystone, (vi) considered the terms and conditions
of the Proposed Merger between Shawnee and Keystone as compared with the terms
and conditions of comparable bank mergers and acquisitions, (vii) met and/or
communicated with certain members of Shawnee's and Keystone's senior managements
to discuss their respective operations, historical financial statements, and
future prospects, and (viii) conducted such other financial analyses, studies
and investigations as we deemed appropriate.

      Our opinion is given in reliance on information and representations made
or given by Shawnee and Keystone, and their respective officers, directors,
auditors, counsel and other agents, and on filings, releases and other
information issued by Shawnee and Keystone, including financial statements,
financial projections and stock price data, as well as certain information from
recognized independent sources.  We have not independently verified the
information concerning Shawnee and Keystone nor other data which we have
considered in our review and, for purposes of the opinion set forth below, we
have assumed and relied upon the accuracy and completeness of all such
information and data.  Additionally, we assume that the Proposed Merger is, in
all respects, lawful under applicable law.


                                      A-1


3000 CENTRE SQUARE WEST, 1500 MARKET STREET, PHILADELPHIA, PENNSYLVANIA 19102, 
                   PHONE (215) 575-2395, FAX: (215) 564-5402
<PAGE>
 
Board of Directors
June 30, 1995
Page 2

      With regard to financial and other information relating to the general
prospects of Shawnee and Keystone, we have assumed that such information has
been reasonably prepared and reflects the best currently available estimates and
judgments of the managements of Shawnee and Keystone as to Shawnee's and
Keystone's most likely future performance.  In rendering our opinion, we have
assumed that in the course of obtaining the necessary regulatory approvals for
the Proposed Merger, and in preparation of the final proxy statement, no
conditions will be imposed that will have a material adverse effect on the
contemplated benefits of the Proposed Merger to Shawnee.

      Our opinion is based upon information provided to us by the managements of
Shawnee and Keystone, as well as market, economic, financial, and other
conditions as they exist and can be evaluated only as of the date hereof and
speaks to no other period.  Our opinion pertains only to the financial
consideration of the Proposed Merger and does not constitute a recommendation to
the Board of Shawnee and does not constitute a recommendation to Shawnee's
shareholders as to how such shareholders should vote on the Agreement.

      Based on the foregoing, it is our opinion that, as of the date hereof, the
Proposed Merger between Shawnee and Keystone is fair, from a financial point of
view, to the shareholders of Shawnee.


                                               Sincerely,

                                               /s/ Berwind Financial Group, L.P.

                                               BERWIND FINANCIAL GROUP, L.P.

                                      A-2
<PAGE>
 
                                                                        ANNEX II


              STATUTORY PROVISIONS CONCERNING DISSENTERS' RIGHTS
                            OF SHAWNEE SHAREHOLDERS
                                        

                 PENNSYLVANIA BUSINESS CORPORATION LAW OF 1988
                       SUBCHAPTER D.--DISSENTERS RIGHTS


(S) 1571.  APPLICATION AND EFFECT OF SUBCHAPTER.

      (a)  GENERAL RULE.--Except as otherwise provided in subsection (b), any
shareholder of a business corporation shall have the right to dissent from, and
to obtain payment of the fair value of his shares in the event of, any corporate
action, or to otherwise obtain fair value for his shares, where this part
expressly provides that a shareholder shall have the rights and remedies
provided in this subchapter.  See:

      Section 1906(c) (relating to dissenters rights upon special treatment).

      Section 1930 (relating to dissenters rights).

      Section 1931(d) (relating to dissenters rights in share exchanges).

      Section 1932(c) (relating to dissenters rights in asset transfers).

      Section 1952(d) (relating to dissenters rights in division).

      Section 1962(c) (relating to dissenters rights in conversion).

      Section 2104(b) (relating to procedure).

      Section 2324 (relating to corporation option where a restriction on
      transfer of a security is held invalid).

      Section 2325(b) (relating to minimum vote requirement).

      Section 2704(c) (relating to dissenters rights upon election).

      Section 2705(d) (relating to dissenters rights upon renewal of election).

      Section 2907(a) (relating to proceedings to terminate breach of qualifying
      conditions)

      Section 7104(b)(3) (relating to procedure).


      (b)  EXCEPTIONS.-- 

           (1)  Except as otherwise provided in paragraph (2), the holders of
     the shares of any class or series of shares that, at the record date fixed
     to determine the shareholders entitled to notice of and to vote at the
     meeting at which a plan specified in any of section 1930, 1931(d), 1932(c)
     or 1952(d) is to be voted on, are either:

           (i) listed on a national securities exchange; or

                                      A-3
<PAGE>
 
           (ii) held of record by more than 2,000 shareholders;

      shall not have the right to obtain payment of the fair value of any such
      shares under this subchapter.

            (2) Paragraph (1) shall not apply to and dissenters rights shall be
      available without regard to the exception provided in that paragraph in
      the case of:

            (i) Shares converted by a plan if the shares are not converted
                solely into shares of the acquiring, surviving, new or other
                corporation or solely into such shares and money in lieu of
                fractional shares.

           (ii) Shares of any preferred or special class unless the articles,
                the plan or the terms of the transaction entitle all
                shareholders of the class to vote thereon and require for the
                adoption of the plan or the effectuation of the transaction the
                affirmative vote of a majority of the votes cast by all
                shareholders of the class.

          (iii) Shares entitled to dissenters rights under section 1906(c)
                (relating to dissenters rights upon special treatment).

            (3) The shareholders of a corporation that acquires by purchase,
      lease, exchange or other disposition all or substantially all of the
      shares, property or assets of another corporation by the issuance of
      shares, obligations or otherwise, with or without assuming the liabilities
      of the other corporation and with or without the intervention of another
      corporation or other person, shall not be entitled to the rights and
      remedies of dissenting shareholders provided in this subchapter regardless
      of the fact, if it be the case, that the acquisition was accomplished by
      the issuance of voting shares of the corporation to be outstanding
      immediately after the acquisition sufficient to elect a majority or more
      of the directors of the corporation.

      (c) GRANT OF OPTIONAL DISSENTERS RIGHTS.--The bylaws or a resolution of
the board of directors may direct that all or a part of the shareholders shall
have dissenters rights in connection with any corporate action or other
transaction that would otherwise not entitle such shareholders to dissenters
rights.

      (d) NOTICE OF DISSENTERS RIGHTS.--Unless otherwise provided by statute, if
a proposed corporate action that would give rise to dissenters rights under this
subpart is submitted to a vote at a meeting of shareholders, there shall be
included in or enclosed with the notice of meeting:

          (1) a statement of the proposed action and a statement that the
shareholders have a right to dissent and obtain payment of the fair value of
their shares by complying with the terms of this subchapter; and

          (2)  a copy of this subchapter.

      (e) OTHER STATUTES.--The procedures of this subchapter shall also be
applicable to any transaction described in any statute other than this part that
makes reference to this subchapter for the purpose of granting dissenters
rights.

      (f) CERTAIN PROVISIONS OF ARTICLES INEFFECTIVE.--This subchapter may not
be relaxed by any provision of the articles.

      (g) CROSS REFERENCES.--See sections 1105 (relating to restriction on
equitable relief), 1904 (relating to de facto transaction doctrine abolished)
and 2512 (relating to dissenters rights procedure).


                                      A-4
<PAGE>
(S) 1572.  DEFINITIONS.

      The following words and phrases when used in this subchapter shall have
the meanings given to them in this section unless the context clearly indicates
otherwise:

      "CORPORATION."  The issuer of the shares held or owned by the dissenter
before the corporate action or the successor by merger, consolidation, division,
conversion or otherwise of that issuer.  A plan of division may designate which
of the resulting corporations is the successor corporation for purpose of this
subchapter.  The successor corporation in a division shall have sole
responsibility for payments to dissenters and other liabilities under this
subchapter except as otherwise provided in the plan of division.

      "DISSENTER."  A shareholder or beneficial owner who is entitled to and
does assert dissenters rights under this subchapter and who has performed every
act required up to the time involved for the assertion of those rights.

      "FAIR VALUE."  The fair value of shares immediately before the
effectuation of the corporate action to which the dissenter objects, taking into
account all relevant factors, but excluding any appreciation or depreciation in
anticipation of the corporate action.

      "INTEREST."  Interest from the effective date of the corporate action
until the date of payment at such rate as is fair and equitable under all of the
circumstances, taking into account all relevant factors including the average
rate currently paid by the corporation on its principal bank loans.


(S) 1573.  RECORD AND BENEFICIAL HOLDERS AND OWNERS.

      (a) RECORD HOLDERS OF SHARES.--A record holder of shares of a business
corporation may assert dissenters rights as to fewer than all of the shares
registered in his name only if he dissents with respect to all the shares of the
same class or series beneficially owned by any one person and discloses the name
and address of the person or persons on whose behalf he dissents.  In that
event, his rights shall be determined as if the shares as to which he has
dissented and his other shares were registered in the names of different
shareholders.

      (b) BENEFICIAL OWNERS OF SHARES.--A beneficial owner of shares of a
business corporation who is not the record holder may assert dissenters rights
with respect to shares held on his behalf and shall be treated as a dissenting
shareholder under the terms of this subchapter if he submits to the corporation
not later than the time of the assertion of dissenters rights a written consent
of the record holder.  A beneficial owner may not dissent with respect to some
but less than all shares of the same class or series owned by the owner, whether
or not the shares so owned by him are registered in his name.


(S) 1574.  NOTICE OF INTENTION TO DISSENT.

      If the proposed corporate action is submitted to a vote at a meeting of
shareholders of a business corporation, any person who wishes to dissent and
obtain payment of the fair value of his shares must file with the corporation,
prior to the vote, a written notice of intention to demand that he be paid the
fair value for his shares if the proposed action is effectuated, must effect no
change in the beneficial ownership of his shares from the date of such filing
continuously through the effective date of the proposed action and must refrain
from voting his shares in approval of such action.  A dissenter who fails in any
respect shall not acquire any right to payment of the fair value of his shares
under this subchapter.  Neither a proxy nor a vote against the proposed
corporate action shall constitute the written notice required by this section.

                                      A-5
<PAGE>
 
(S) 1575.  NOTICE TO DEMAND PAYMENT.

      (a) GENERAL RULE.--If the proposed corporate action is approved by the
required vote at a meeting of shareholders of a business corporation, the
corporation shall mail a further notice to all dissenters who gave due notice of
intention to demand payment of the fair value of their shares and who refrained
from voting in favor of the proposed action.  If the proposed corporate action
is to be taken without a vote of shareholders, the corporation shall send to all
shareholders who are entitled to dissent and demand payment of the fair value of
their shares a notice of the adoption of the plan or other corporate action.  In
either case, the notice shall:

          (1) State where and when a demand for payment must be sent and
      certificates for certificated shares must be deposited in order to obtain
      payment.

          (2) Inform holders of uncertificated shares to what extent transfer of
      shares will be restricted from the time that demand for payment is
      received.

          (3) Supply a form for demanding payment that includes a request for
      certification of the date on which the shareholder, or the person on whose
      behalf the shareholder dissents, acquired beneficial ownership of the
      shares.

          (4) Be accompanied by a copy of this subchapter.

      (b) TIME FOR RECEIPT OF DEMAND FOR PAYMENT.--The time set for receipt of
the demand and deposit of certificated shares shall be not less than 30 days
from the mailing of the notice.


(S) 1576.  FAILURE TO COMPLY WITH NOTICE TO DEMAND PAYMENT, ETC.

      (a) EFFECT OF FAILURE OF SHAREHOLDER TO ACT.--A shareholder who fails to
timely demand payment, or fails (in the case of certificated shares) to timely
deposit certificates, as required by a notice pursuant to section 1575 (relating
to notice to demand payment) shall not have any right under this subchapter to
receive payment of the fair value of his shares.

      (b) RESTRICTION ON UNCERTIFICATED SHARES.--If the shares are not
represented by certificates, the business corporation may restrict their
transfer from the time of receipt of demand for payment until effectuation of
the proposed corporate action or the release of restrictions under the terms of
section 1577(a) (relating to failure to effectuate corporate action).

      (c) RIGHTS RETAINED BY SHAREHOLDER.--The dissenter shall retain all other
rights of a shareholder until those rights are modified by effectuation of the
proposed corporate action.


(S) 1577.  RELEASE OF RESTRICTIONS OR PAYMENT FOR SHARES.

      (a) FAILURE TO EFFECTUATE CORPORATE ACTION.--Within 60 days after the
date set for demanding payment and depositing certificates, if the business
corporation has not effectuated the proposed corporate action, it shall return
any certificates that have been deposited and release uncertificated shares from
any transfer restrictions imposed by reason of the demand for payment.

      (b) RENEWAL OF NOTICE TO DEMAND PAYMENT.--When uncertificated shares have
been released from transfer restrictions and deposited certificates have been
returned, the corporation may at any later time send a new notice conforming to
the requirements of section 1575 (relating to notice to demand payment), with
like effect.

                                      A-6
<PAGE>
 
      (c) PAYMENT OF FAIR VALUE OF SHARES.--Promptly after effectuation of the
proposed corporate action, or upon timely receipt of demand for payment if the
corporate action has already been effectuated, the corporation shall either
remit to dissenters who have made demand and (if their shares are certificated)
have deposited their certificates the amount that the corporation estimates to
be the fair value of the shares, or give written notice that no remittance under
this section will be made.  The remittance or notice shall be accompanied by:

          (1)  The closing balance sheet and statement of income of the issuer
      of the shares held or owned by the dissenter for a fiscal year ending not
      more than 16 months before the date of remittance or notice together with
      the latest available interim financial statements.

          (2)  A statement of the corporation's estimate of the fair value of
      the shares.

          (3)  A notice of the right of the dissenter to demand payment or
      supplemental payment, as the case may be, accompanied by a copy of this
      subchapter.

      (d) FAILURE TO MAKE PAYMENT.--If the corporation does not remit the amount
of its estimate of the fair value of the shares as provided by subsection (c),
it shall return any certificates that have been deposited and release
uncertificated shares from any transfer restrictions imposed by reason of the
demand for payment.  The corporation may make a notation on any such certificate
or on the records of the corporation relating to any such uncertificated shares
that such demand has been made.  If shares with respect to which notation has
been made shall be transferred, each new certificate issued therefor or the
records relating to any transferred uncertificated shares shall bear a similar
notation, together with the name of the original dissenting holder or owner of
such shares.  A transferee of such shares shall not acquire by such transfer any
rights in the corporation other than those which the original dissenter had
after making demand for payment of their fair value.


(S) 1578.  ESTIMATE BY DISSENTER OF FAIR VALUE OF SHARES.

      (a) GENERAL RULE.--If the business corporation gives notice of its
estimate of the fair value of the shares, without remitting such amount, or
remits payment of its estimate of the fair value of a dissenter's shares as
permitted by section 1577(c) (relating to payment of fair value of shares) and
the dissenter believes that the amount stated or remitted is less than the fair
value of his shares, he may send to the corporation his own estimate of the fair
value of the shares, which shall be deemed a demand for payment of the amount or
the deficiency.

      (b) EFFECT OF FAILURE TO FILE ESTIMATE.--Where the dissenter does not file
his own estimate under subsection (a) within 30 days after the mailing by the
corporation of its remittance or notice, the dissenter shall be entitled to no
more than the amount stated in the notice or remitted to him by the corporation.


(S) 1579.  VALUE PROCEEDINGS GENERAL.

      (a) GENERAL RULE.--Within 60 days after the latest of:

          (1) effectuation of the proposed corporate action;

          (2) timely receipt of any demands for payment under section 1575
      (relating to notice to demand payment); or

          (3) timely receipt of any estimates pursua nt to section 1578
      (relating to estimate by dissenter of fair value of shares);

if any demands for payment remain unsettled, the business corporation may file
in court an application for relief requesting that the fair value of the shares
be determined by the court.

                                      A-7
<PAGE>
 
      (b) MANDATORY JOINDER OF DISSENTERS.--All dissenters, wherever residing,
whose demands have not been settled shall be made parties to the proceeding as
in an action against their shares.  A copy of the application shall be served on
each such dissenter.  If a dissenter is a nonresident, the copy may be served on
him in the manner provided or prescribed by or pursuant to 42 Pa. C.S. Ch. 53
(relating to bases of jurisdiction and interstate and international procedure).

      (c) JURISDICTION OF THE COURT.--The jurisdiction of the court shall be
plenary and exclusive.  The court may appoint an appraiser to receive evidence
and recommend a decision on the issue of fair value.  The appraiser shall have
such power and authority as may be specified in the order of appointment or in
any amendment thereof.

      (d) MEASURE OF RECOVERY.--Each dissenter who is made a party shall be
entitled to recover the amount by which the fair value of his shares is found to
exceed the amount, if any, previously remitted, plus interest.

      (e) EFFECT OF CORPORATION'S FAILURE TO FILE APPLICATION.--If the
corporation fails to file an application as provided in subsection (a), any
dissenter who made a demand and who has not already settled his claim against
the corporation may do so in the name of the corporation at any time within 30
days after the expiration of the 60-day period.  If a dissenter does not file an
application within the 30-day period, each dissenter entitled to file an
application shall be paid the corporation's estimate of the fair value of the
shares and no more, and may bring an action to recover any amount not previously
remitted.


(S) 1580.  COSTS AND EXPENSES OF VALUATION PROCEEDINGS.

      (a) GENERAL RULE.--The costs and expenses of any proceeding under section
1579 (relating to valuation proceedings generally), including the reasonable
compensation and expenses of the appraiser appointed by the court, shall be
determined by the court and assessed against the business corporation except
that any part of the costs and expenses may be apportioned and assessed against
all or some of the dissenters who are parties and whose action in demanding
supplemental payment under section 1578 (relating to estimate by dissenter of
fair value of shares) the court finds to be dilatory, obdurate, arbitrary,
vexatious or in bad faith.

      (b) ASSESSMENT OF COUNSEL FEES AND EXPERT FEES WHERE LACK OF GOOD FAITH
APPEARS.--Fees and expenses of counsel and of experts for the respective parties
may be assessed as the court deems appropriate against the corporation and in
favor of any or all dissenters if the corporation failed to comply substantially
with the requirements of this subchapter and may be assessed against either the
corporation or a dissenter, in favor of any other party, if the court finds that
the party against whom the fees and expenses are assessed acted in bad faith or
in a dilatory, obdurate, arbitrary or vexatious manner in respect to the rights
provided by this subchapter.

      (c) AWARD OF FEES FOR BENEFITS TO OTHER DISSENTERS.--If the court finds
that the services of counsel for any dissenter were of substantial benefit to
other dissenters similarly situated and should not be assessed against the
corporation, it may award to those counsel reasonable fees to be paid out of the
amounts awarded to the dissenters who were benefited.


                                      A-8

<PAGE>
 
                    SHAWNEE FINANCIAL SERVICES CORPORATION
                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS

          THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

The undersigned hereby appoints Ronald R. McFarland, Everett, Pennsylvania, and
Frederick M. Shumaker, Bedford, Pennsylvania, or either of them, as proxies,
with full power of substitution, to vote all shares of Common Stock of Shawnee
Financial Services Corporation which the undersigned is entitled to vote at the
Special Meeting of Shareholders to be held August 22, 1995 and at any
adjournment thereof, as follows:

            THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" ITEM 1.

1.   Approval of the Agreement and Plan of
     Reorganization and the Agreement and Plan of Merger dated as
     of January 5, 1995 between the Corporation and Keystone
     Financial, Inc., which provide for the merger of the
     Corporation into Keystone and the conversion of each
     outstanding share of the Corporation's Common Stock into
     6.25 shares of Keystone Common Stock, as described in the Proxy 
     Statement/Prospectus............ FOR [_] AGAINST [_] ABSTAIN  [_]


2.   To vote in their discretion on such other matters as may properly come
     before the meeting or any adjournment thereof.

                                  (continued)
<PAGE>
 
THIS PROXY, WHEN PROPERLY EXECUTED, WILL BE VOTED IN THE MANNER DIRECTED HEREIN.
IF NO DIRECTION IS MADE, THIS PROXY WILL BE VOTED FOR ITEM 1.

                                        Dated:___________________________, 1995

                                        _______________________________________
                                        Signature

                                        _______________________________________
                                        Signature

                                        Please sign exactly as name appears
                                        hereon. For joint accounts, each joint
                                        owner should sign. When signing as
                                        attorney, executor, administrator,
                                        trustee or guardian, please give your
                                        full title as such. If a corporation,
                                        please sign the full corporate name by
                                        President or other authorized officer,
                                        giving your full title as such. If a
                                        partnership, please sign in the
                                        partnership name by authorized person,
                                        giving your full title as such.

PLEASE MARK, DATE, EXECUTE AND RETURN THIS PROXY PROMPTLY IN THE ENCLOSED
ENVELOPE.


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