ONE GROUP
497, 1999-01-26
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<PAGE>   1
                                                   Filed pursuant to Rule 497(b)
                                                   Registration No. 333-69159

 
                                 PEGASUS FUNDS
                                 P.O. BOX 5142
                        WESTBOROUGH, MASSACHUSETTS 01581
 
                                                                January 19, 1999
 
Dear Shareholder:
 
     The Board of Trustees of the Pegasus Funds has called a Special Meeting of
Shareholders to be held at 10:00 a.m. (Eastern time) on March 17, 1999 at the
offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio (the
"Meeting"). At the Meeting, you will be asked:
 
          (1) To consider a proposed reorganization of your Pegasus Fund into a
              corresponding Fund of The One Group(R) ("One Group").
 
     Enclosed you will find several documents furnished to you in connection
with the Special Meeting of Shareholders of the Pegasus Money Market, Treasury
Money Market, Municipal Money Market, Michigan Municipal Money Market, Cash
Management, Treasury Cash Management, Treasury Prime Cash Management, U.S.
Government Securities Cash Management, Municipal Cash Management, Managed Assets
Conservative, Managed Assets Balanced, Managed Assets Growth, Equity Income,
Growth, Mid-Cap Opportunity, Small-Cap Opportunity, Intrinsic Value, Growth and
Value, Equity Index, Market Expansion Index, International Equity, Intermediate
Bond, Bond, Short Bond, Multi Sector Bond, High Yield Bond, Municipal Bond,
Short Municipal Bond, Intermediate Municipal Bond and Michigan Municipal Bond
Funds (collectively, the "Pegasus Portfolios"). We hope this material will
receive your immediate attention and that, if you cannot attend the meeting in
person, you will vote your proxy promptly.
 
     The Board of Trustees of Pegasus Funds recommends that shareholders of each
of the Pegasus Portfolios approve a proposed Agreement and Plan of
Reorganization (the "Reorganization Agreement"). The Reorganization Agreement
provides that each of the following Pegasus Portfolios will transfer all of its
assets and liabilities to the One Group investment portfolio (each, a "One Group
Fund") identified opposite its name:
 
<TABLE>
<CAPTION>
               PEGASUS FUNDS                                  ONE GROUP FUNDS
               -------------                                  ---------------
<S>                                             <C>
Money Market Fund                               Prime Money Market Fund
Treasury Money Market Fund                      U.S. Treasury Securities Money Market Fund
Municipal Money Market Fund                     Municipal Money Market Fund
Michigan Municipal Money Market Fund            Michigan Municipal Money Market Fund
Cash Management Fund                            Cash Management Money Market Fund
Treasury Cash Management Fund                   Treasury Cash Management Money Market Fund
Treasury Prime Cash Management Fund             Treasury Prime Cash Management Money Market
                                                Fund
U.S. Government Securities Cash                 U.S. Government Securities Cash Management
  Management Fund                               Money Market Fund
Municipal Cash Management Fund                  Municipal Cash Management Money
                                                Market Fund
Managed Assets Conservative Fund                Investor Balanced Fund
Managed Assets Balanced Fund                    Investor Growth & Income Fund
Managed Assets Growth Fund                      Investor Growth Fund
Equity Income Fund                              Income Equity Fund
Growth Fund                                     Large Company Growth Fund
Mid-Cap Opportunity Fund                        Diversified Mid Cap Fund
Small-Cap Opportunity Fund                      Small Cap Value Fund
Intrinsic Value Fund                            Disciplined Value Fund
Growth and Value Fund                           Value Growth Fund
Equity Index Fund                               Equity Index Fund
</TABLE>
<PAGE>   2
 
<TABLE>
<CAPTION>
               PEGASUS FUNDS                                  ONE GROUP FUNDS
               -------------                                  ---------------
<S>                                             <C>
Market Expansion Index Fund                     Market Expansion Index Fund
International Equity Fund                       Diversified International Fund
Intermediate Bond Fund                          Intermediate Bond Fund
Bond Fund                                       Bond Fund
Short Bond Fund                                 Limited Volatility Bond Fund
Multi Sector Bond Fund                          Income Bond Fund
High Yield Bond Fund                            High Yield Bond Fund
Municipal Bond Fund                             Tax-Free Bond Fund
Short Municipal Bond Fund                       Short-Term Municipal Bond Fund
Intermediate Municipal Bond Fund                Intermediate Tax-Free Bond Fund
Michigan Municipal Bond Fund                    Michigan Municipal Bond Fund
</TABLE>
 
     After the transfer, shares of the One Group Funds will be distributed to
the corresponding Pegasus Portfolios' shareholders and the Pegasus Funds will be
liquidated.
 
     As a result of these transactions, shares of your Pegasus Portfolio would,
in effect, be exchanged at net asset value and on a tax-free basis for shares of
a corresponding One Group Fund. Class A, Class B and Institutional Class or
Class I shares (either, "Class I" shares) of the Pegasus Portfolios will be
exchanged for One Group Class A, Class B and Class I shares, respectively.
Service Class ("Class S") shareholders of the Pegasus Cash Management, Treasury
Cash Management, Treasury Prime Cash Management, U.S. Government Securities Cash
Management and Municipal Cash Management Funds will receive Class A shares of
the One Group Cash Management Money Market, Treasury Cash Management Money
Market, Treasury Prime Cash Management Money Market, U.S. Government Securities
Cash Management Money Market and Municipal Cash Management Money Market Funds,
respectively.
 
     In considering the proposed reorganization, you should note, among other
things, the following benefits:
 
          1. The similarity of the investment objectives and policies of the One
             Group Funds with those of the Pegasus Portfolios;
 
          2. The performance of the One Group Funds, which are competitive with,
             and in many cases superior to, those of the Pegasus Portfolios;
 
          3. An enhanced range of investment options will be available to
             investors in the One Group. Upon completion of the Reorganization,
             the One Group will offer 49 different funds;
 
          4. The tax-free nature of the transaction; and
 
          5. The increased market presence that the One Group will have as a
             result of the Reorganization, which may result in additional
             investment opportunities and trading efficiencies.
 
     THE BOARD OF TRUSTEES BELIEVES THAT THE PROPOSED COMBINATION OF THE PEGASUS
PORTFOLIOS WITH THEIR CORRESPONDING ONE GROUP FUNDS IS IN THE BEST INTERESTS OF
THE PEGASUS PORTFOLIOS AND THEIR SHAREHOLDERS AND RECOMMEND THAT YOU VOTE IN
FAVOR OF SUCH PROPOSAL.
 
     The Notice of Special Meeting of Shareholders, the accompanying Combined
Prospectus/Proxy Statement, Prospectuses for the currently operating One Group
Funds and the form of proxy are enclosed. Please read these materials carefully.
If you are unable to attend the meeting in person, we urge you to sign, date,
and return the proxy card so that your shares may be voted in accordance with
your instructions.
 
     If you have any questions, you may call Shareholder Communications
Corporation which has been retained to assist in the solicitation of proxies at
(800)848-1134. Thank you for your cooperation.
 
                                        Sincerely,
 
                                        John P. Gould
                                        Chairman of the Board of Trustees
<PAGE>   3
 
                                 PEGASUS FUNDS
                                 P.O. BOX 5142
                        WESTBOROUGH, MASSACHUSETTS 01581
 
                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
                          TO BE HELD ON MARCH 17, 1999
 
To Pegasus Shareholders:
 
     Notice is hereby given that a Special Meeting of the Shareholders
("Shareholders") of each investment portfolio (a "Pegasus Portfolio") of Pegasus
Funds ("Pegasus") will be held at the offices of BISYS Fund Services, 3435
Stelzer Road, Columbus, Ohio, on March 17, 1999 at 10:00 a.m. (Eastern time) for
the following purposes:
 
     ITEM 1. With respect to each Pegasus Portfolio:
 
             To consider and act upon a proposal to approve an Agreement and
             Plan of Reorganization (the "Reorganization Agreement") and the
             transactions contemplated thereby, including (a) the transfer of
             all of the assets and liabilities of the Pegasus Money Market,
             Treasury Money Market, Municipal Money Market, Michigan Municipal
             Money Market, Cash Management, Treasury Cash Management, Treasury
             Prime Cash Management, U.S. Government Securities Cash Management,
             Municipal Cash Management, Managed Assets Conservative, Managed
             Assets Balanced, Managed Assets Growth, Equity Income, Growth,
             Mid-Cap Opportunity, Small-Cap Opportunity, Intrinsic Value, Growth
             and Value, Equity Index, Market Expansion Index, International
             Equity, Intermediate Bond, Bond, Short Bond, Multi Sector Bond,
             High Yield Bond, Municipal Bond, Short Municipal Bond, Intermediate
             Municipal Bond, and Michigan Municipal Bond Funds to corresponding
             investment portfolios ("One Group Funds") of The One Group(R) (the
             "One Group") in exchange for Class A, Class B or Class I shares, as
             applicable, of the One Group Funds; (b) the distribution of such
             One Group Fund shares to the shareholders of the Pegasus Portfolios
             according to their respective interests; and (c) the termination of
             Pegasus under state law and the Investment Company Act of 1940, as
             amended.
 
     ITEM 2. With respect to each Pegasus Portfolio:
 
             To transact such other business as may properly come before the
             Special Meeting or any adjournment(s) thereof.
 
     The proposed reorganization and related matters are described in the
attached Combined Prospectus/ Proxy Statement. Appendix I to the Combined
Prospectus/Proxy Statement is a copy of the Reorganization Agreement.
 
     Shareholders of record as of the close of business on December 18, 1998 are
entitled to notice of, and to vote at, the Special Meeting or any adjournment(s)
thereof.
 
     SHAREHOLDERS ARE REQUESTED TO EXECUTE AND RETURN PROMPTLY IN THE ENCLOSED
ENVELOPE EACH ACCOMPANYING PROXY CARD WHICH IS BEING SOLICITED BY PEGASUS' BOARD
OF TRUSTEES. THIS IS IMPORTANT TO ENSURE A QUORUM AT THE SPECIAL MEETING.
PROXIES MAY BE REVOKED AT ANY TIME BEFORE THEY ARE EXERCISED BY SUBMITTING TO
PEGASUS A WRITTEN NOTICE OF REVOCATION OR A SUBSEQUENTLY EXECUTED PROXY OR BY
ATTENDING THE SPECIAL MEETING AND VOTING IN PERSON.
 
                                        ----------------------------------------
                                        W. Bruce McConnel, III
                                        Secretary
 
January 19, 1999
<PAGE>   4
 
                      COMBINED PROSPECTUS/PROXY STATEMENT
                             DATED JANUARY 19, 1999
 
                                THE ONE GROUP(R)
                               3435 Stelzer Road
                              Columbus, Ohio 43219
                                 (800) 480-4111
 
                         TO ACQUIRE THE ASSETS OF THE:
 
                                 PEGASUS FUNDS
                                 P.O. Box 5142
                        Westborough, Massachusetts 01581
 
                                 1-800-688-3350
 
     This Combined Prospectus/Proxy Statement is furnished in connection with
the solicitation of proxies by the Board of Trustees of Pegasus Funds
("Pegasus") in connection with a Special Meeting (the "Meeting") of Shareholders
("Shareholders") to be held on March 17, 1999 at 10:00 a.m. (Eastern time) at
the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio at which
Shareholders will be asked to consider and approve a proposed Agreement and Plan
of Reorganization dated January 12, 1999 (the "Reorganization Agreement"), by
and between Pegasus and The One Group(R) ("One Group") and the transactions
contemplated therein. A copy of the Reorganization Agreement is attached as
Appendix I.
 
     Pegasus and One Group are each open-end, management investment companies.
First Chicago NBD Investment Management Company ("FCNIMCO") currently provides
investment advisory services to each of the investment portfolios of Pegasus
(the "Pegasus Portfolios"). Banc One Investment Advisors Corporation ("BOIA")
presently provides investment advisory services to each of the investment
portfolios offered by One Group (the "One Group Funds"). BANC ONE CORPORATION,
the parent company of BOIA, recently completed a merger with First Chicago NBD
Corporation ("FCN"), the parent company of FCNIMCO. In the merger, BANC ONE
CORPORATION and FCN combined into a new corporation named "BANK ONE CORPORATION"
("BOC") which has since taken steps to consolidate the mutual fund investment
advisory activities of its subsidiaries. As part of that consolidation, FCNIMCO
and BOIA recently recommended to the Boards of Trustees of Pegasus and One Group
the proposed reorganization of Pegasus and One Group ("Reorganization")
described below.
 
     In reviewing the proposed Reorganization, the Pegasus Board concluded that
participation in the proposed transaction is in the best interests of the
Pegasus Portfolios and their shareholders. The Board has further concluded that
the economic interests of the shareholders of the Pegasus Portfolios will not be
diluted as a result of the proposed transaction. In reaching this conclusion,
the Board considered, among other things:
 
          1. The similarity of the investment objectives and policies of the One
     Group Funds with those of the Pegasus Portfolios;
 
          2. The performance of the One Group Funds, which are competitive with,
     and in many cases superior to, those of the Pegasus Portfolios;
 
          3. An enhanced range of investment options which will be available to
     investors in the One Group. Upon completion of the Reorganization, the One
     Group will offer 49 different funds;
 
          4. The tax-free nature of the transaction; and
 
          5. The increased market presence that the One Group will achieve as a
     result of the Reorganization, which may result in additional investment
     opportunities and trading efficiencies.
 
     The Reorganization Agreement provides that each of the following sixteen
investment portfolios of Pegasus (collectively, the "Reorganizing Pegasus
Portfolios") will transfer all its assets and liabilities to the
<PAGE>   5
 
currently operating One Group investment portfolio (collectively, the "Existing
One Group Funds") identified below opposite its name:
 
<TABLE>
<CAPTION>
      REORGANIZING PEGASUS PORTFOLIOS                     EXISTING ONE GROUP FUNDS
      -------------------------------                     ------------------------
<S>                                             <C>
Pegasus Money Market Fund                       One Group(R) Prime Money Market Fund
Pegasus Treasury Money Market Fund              One Group(R) U.S. Treasury Securities Money
                                                Market Fund
Pegasus Municipal Money Market Fund             One Group(R) Municipal Money Market Fund
Pegasus Managed Assets Conservative Fund        One Group(R) Investor Balanced Fund
Pegasus Managed Assets Balanced Fund            One Group(R) Investor Growth & Income Fund
Pegasus Managed Assets Growth Fund              One Group(R) Investor Growth Fund
Pegasus Equity Income Fund                      One Group(R) Income Equity Fund
                                                (to be renamed Equity Income Fund upon
                                                  Reorganization)
Pegasus Growth Fund                             One Group(R) Large Company Growth Fund
                                                (to be renamed Large Cap Growth Fund upon
                                                  Reorganization)
Pegasus Intrinsic Value Fund                    One Group(R) Disciplined Value Fund  
                                                (to be renamed Mid Cap Value Fund
                                                  upon Reorganization)
Pegasus Growth and Value Fund                   One Group(R) Value Growth Fund
                                                (to be renamed Diversified Equity Fund upon
                                                  Reorganization)
Pegasus Equity Index Fund                       One Group(R) Equity Index Fund
Pegasus Intermediate Bond Fund                  One Group(R) Intermediate Bond Fund
Pegasus Short Bond Fund                         One Group(R) Limited Volatility Bond Fund
                                                (to be renamed Short-Term Bond Fund upon
                                                  Reorganization)
Pegasus Multi Sector Bond Fund                  One Group(R) Income Bond Fund
Pegasus High Yield Bond Fund                    One Group(R) High Yield Bond Fund
Pegasus Intermediate Municipal Bond Fund        One Group(R) Intermediate Tax-Free Bond Fund
</TABLE>
 
     The Reorganization Agreement also provides that each of the following
fourteen investment portfolios of Pegasus (collectively, the "Continuing Pegasus
Portfolios") will transfer all its assets and liabilities to the newly organized
One Group investment portfolio (collectively, the "New One Group Funds")
identified below opposite its name:
 
<TABLE>
<CAPTION>
       CONTINUING PEGASUS PORTFOLIOS                        NEW ONE GROUP FUNDS
       -----------------------------                        -------------------
<S>                                             <C>
Pegasus Michigan Municipal Money Market Fund    One Group(R) Michigan Municipal Money
                                                Market Fund
Pegasus Cash Management Fund                    One Group(R) Cash Management Money
                                                Market Fund
Pegasus Treasury Cash Management Fund           One Group(R) Treasury Cash Management Money
                                                Market Fund
Pegasus Treasury Prime Cash Management Fund     One Group(R) Treasury Prime Cash Management
                                                Money Market Fund
Pegasus U.S. Government Securities Cash         One Group(R) U.S. Government Securities Cash
  Management Fund                               Management Money Market Fund
</TABLE>
 
                                        2
<PAGE>   6
 
<TABLE>
<CAPTION>
       CONTINUING PEGASUS PORTFOLIOS                        NEW ONE GROUP FUNDS
       -----------------------------                        -------------------
<S>                                             <C>
Pegasus Municipal Cash Management Fund          One Group(R) Municipal Cash Management Money
                                                Market Fund
Pegasus Mid-Cap Opportunity Fund                One Group(R) Diversified Mid Cap Fund
Pegasus Small-Cap Opportunity Fund              One Group(R) Small Cap Value Fund
Pegasus Market Expansion Index Fund             One Group(R) Market Expansion Index Fund
Pegasus International Equity Fund               One Group(R) Diversified International Fund
Pegasus Bond Fund                               One Group(R) Bond Fund
Pegasus Municipal Bond Fund                     One Group(R) Tax-Free Bond Fund
Pegasus Short Municipal Bond Fund               One Group(R) Short-Term Municipal Bond Fund
Pegasus Michigan Municipal Bond Fund            One Group(R) Michigan Municipal Bond Fund
</TABLE>
 
     In exchange for the transfers of these assets and liabilities, One Group
will issue shares in the thirty One Group investment portfolios listed above
(collectively, the "One Group Funds") to the corresponding Pegasus investment
portfolios listed above (collectively, the "Pegasus Portfolios"). The
transaction between the Reorganizing Pegasus Portfolios and the Existing One
Group Funds and between the Pegasus Michigan Municipal Money Market, Mid-Cap
Opportunity, Small-Cap Opportunity, Market Expansion Index, International
Equity, Bond, Municipal Bond, Short Municipal Bond and Michigan Municipal Bond
Funds and their corresponding New One Group Funds is referred to as the
"Reorganizing Portfolios Transaction" and the transaction between the remaining
Continuing Pegasus Portfolios and their corresponding New One Group Funds is
referred to herein as the "Continuing Portfolios Transaction." The transactions
are expected to occur on or about March 22, 1999 and March 29, 1999,
respectively.
 
     The Pegasus Portfolios have two or three classes of shares outstanding. The
One Group Funds offer comparable classes of shares. Holders of each share class
of a Pegasus Portfolio will receive shares of the corresponding One Group Fund
share class. Class A shares, Class B shares and Institutional Class and Class I
(either, "Class I") shares of the Pegasus Portfolios will be exchanged for One
Group Class A, Class B and Class I shares, respectively. Service Class ("Class
S") shareholders of the Pegasus Cash Management, Treasury Cash Management,
Treasury Prime Cash Management, U.S. Government Securities Cash Management and
Municipal Cash Management Funds will receive Class A shares of the One Group
Cash Management Money Market, Treasury Cash Management Money Market, Treasury
Prime Cash Management Money Market, U.S. Government Securities Cash Management
Money Market and Municipal Cash Management Money Market Funds, respectively.
 
     The Pegasus Portfolios will make distributions of the One Group Funds'
shares to the Shareholders of the Pegasus Portfolios in connection with the
liquidation of Pegasus, so that a holder of a share class in a Pegasus Portfolio
will receive shares of a share class (as described herein) of the corresponding
One Group Fund with the same aggregate net asset value as the Shareholder had in
the Pegasus Portfolio immediately before the transaction. Following the
Reorganization, Shareholders of the Pegasus Portfolios will be Shareholders of
their corresponding One Group Funds, and Pegasus will be terminated under state
law and the Investment Company Act of 1940, as amended (the "1940 Act").
 
     The Existing One Group Funds currently are conducting investment operations
as described in this Combined Prospectus/Proxy Statement. The New One Group
Funds have recently been organized for the purpose of continuing the investment
operations of the Continuing Pegasus Portfolios, and have no substantial assets
or prior history of investment operations.
 
     This Combined Prospectus/Proxy Statement sets forth the information that a
Shareholder of Pegasus should know before voting on matters covered by the
Reorganization Agreement, and should be retained for future reference. The
Prospectuses relating to the shares of the Existing One Group Funds, which
describe those Funds' operations, accompany this Combined Prospectus/Proxy
Statement and the information contained therein is incorporated by reference
into this Combined Prospectus/Proxy Statement. Additional
 
                                        3
<PAGE>   7
 
information is set forth in the Statements of Additional Information relating to
the Existing One Group Funds dated November 1, 1998 and this Combined
Prospectus/Proxy Statement dated January 19, 1999 and in the Prospectuses and
Statements of Additional Information, each dated April 30, 1998, relating to
Pegasus. Annual reports for the Existing One Group Funds and for Pegasus and
Semi-annual reports for Pegasus will accompany the Statement of Additional
Information. Each of these documents is on file with the Securities and Exchange
Commission (the "SEC"), is available without charge upon written or oral request
by writing or calling either Pegasus or One Group at their respective addresses
or telephone numbers indicated above, and is incorporated herein by reference.
 
     This Combined Prospectus/Proxy Statement constitutes the Proxy Statement of
Pegasus for the Meeting of its Shareholders, and One Group's Prospectus for the
shares of its Existing and New One Group Funds that have been registered with
the SEC and are to be issued in connection with the Reorganization.
 
     The following summarizes the proposals to be voted on by Pegasus
Shareholders at the meeting:
 
<TABLE>
<CAPTION>
                  PROPOSAL                                 SHAREHOLDERS SOLICITED
                  --------                                 ----------------------
<S>                                             <C>
1. To approve a Reorganization Agreement,       Shareholders of each Pegasus Portfolio
   which provides for (a) the transfer of       voting separately on a class-by-class basis
   all of the assets and liabilities of the     on the Reorganization Agreement.
   Pegasus Portfolios to corresponding One
   Group Funds in exchange for Class A,
   Class B or Class I shares, as applicable,
   of the One Group Funds, (b) the
   distribution of such One Group Fund
   shares to the Shareholders of the Pegasus
   Portfolios according to their respective
   interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.
</TABLE>
 
     This Combined Prospectus/Proxy Statement is expected to first be sent to
Shareholders on or about January 19, 1999.
 
     THE SECURITIES OF THE ONE GROUP FUNDS OFFERED HEREBY 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 COMBINED
PROSPECTUS/PROXY STATEMENT. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL
OFFENSE.
 
     NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS COMBINED PROSPECTUS/PROXY
STATEMENT AND IN THE MATERIALS EXPRESSLY INCORPORATED HEREIN BY REFERENCE AND,
IF GIVEN OR MADE, SUCH OTHER INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY PEGASUS, ONE GROUP OR THEIR RESPECTIVE
DISTRIBUTORS.
 
     EACH MONEY MARKET FUND SEEKS TO MAINTAIN A NET ASSET VALUE OF $1.00 PER
SHARE. AN INVESTMENT IN A MONEY MARKET FUND IS NEITHER INSURED NOR GUARANTEED BY
THE U.S. GOVERNMENT. THERE CAN BE NO ASSURANCE THAT A MONEY MARKET FUND WILL BE
ABLE TO MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
 
     SHARES OF PEGASUS AND ONE GROUP ARE NOT DEPOSITS OR OBLIGATIONS OF, OR
GUARANTEED, ENDORSED OR OTHERWISE SUPPORTED BY BANK ONE CORPORATION, ANY OF ITS
AFFILIATES, OR ANY BANK. SHARES OF PEGASUS AND ONE GROUP ARE NOT FEDERALLY
INSURED OR GUARANTEED BY THE U.S. GOVERNMENT, FEDERAL DEPOSIT INSURANCE
CORPORATION, OR ANY OTHER GOVERNMENTAL AGENCY. MUTUAL FUND SHARES INVOLVE
INVESTMENT RISKS, INCLUDING POSSIBLE LOSS OF PRINCIPAL. THE DISTRIBUTOR OF
PEGASUS IS BISYS FUND SERVICES LIMITED PARTNERSHIP. THE DISTRIBUTOR OF ONE GROUP
IS THE ONE GROUP SERVICES COMPANY.
 
                                        4
<PAGE>   8
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                PAGE
                                                                -----
<S>                                                             <C>
FEE TABLES..................................................        6
SUMMARY.....................................................        6
  Proposed Reorganization...................................        6
  Overview of Pegasus and One Group.........................        7
  Purchase/Redemption Procedures............................        8
  Federal Income Tax Consequences...........................        8
  Board Consideration.......................................        8
  Principal Risk Factors....................................        9
  Voting Information........................................       13
  Management Discussion.....................................       13
INFORMATION RELATING TO THE PROPOSED REORGANIZATION.........       13
  Description of the Reorganization Agreement...............       13
  Pegasus Board Consideration...............................       14
  Capitalization............................................       20
  Federal Income Tax Consequences...........................       29
  One Group Board Composition...............................       30
COMPARISON OF PEGASUS AND ONE GROUP.........................       32
  Investment Objectives and Policies........................       32
  Expense Ratios............................................       32
  Investment Adviser -- Pegasus Portfolios..................       36
  Investment Adviser -- One Group Funds.....................       38
  Certain Other Service Providers...........................       40
  Distribution Plan and Shareholder Servicing
     Arrangements -- Pegasus Portfolios.....................       41
  Distribution Plan and Shareholder Servicing
     Arrangements -- One Group..............................       42
  Shareholder Transactions and Services.....................       42
INFORMATION RELATING TO VOTING MATTERS......................       43
  General Information.......................................       43
  Shareholder and Board Approvals...........................       46
  Appraisal Rights..........................................       73
  Quorum....................................................       74
  Annual Meetings...........................................       74
ADDITIONAL INFORMATION ABOUT THE ONE GROUP AND PEGASUS......       74
LITIGATION..................................................       75
FINANCIAL STATEMENTS........................................       75
OTHER BUSINESS..............................................       75
SHAREHOLDER INQUIRIES.......................................       75
Appendix I  -- Agreement and Plan of Reorganization.........      I-1
Appendix II  -- Comparative Fee Tables......................     II-1
Appendix III -- Comparison of Investment Objectives and
  Certain Significant Policies..............................    III-1
Appendix IV  -- Shareholder Transactions and Services.......     IV-1
Appendix V  -- Management's Discussion of Fund
  Performance -- Existing One Group Funds...................      V-1
</TABLE>
 
                                        5
<PAGE>   9
 
                                   FEE TABLES
 
     All shareholders of the Pegasus Municipal Money Market, Michigan Municipal
Money Market, Cash Management, Treasury Cash Management, Treasury Prime Cash
Management, Municipal Cash Management, Managed Assets Conservative, Mid-Cap
Opportunity, Small-Cap Opportunity, Equity Index, International Equity,
Intermediate Bond, Bond, Short Bond, Multi-Sector Bond, High Yield Bond,
Municipal Bond, Intermediate Municipal Bond and the Pegasus Michigan Municipal
Bond Funds, are projected to experience lower annualized per share total
operating expense ratios upon consummation of the Reorganization. All
shareholders of the Pegasus Money Market, Treasury Money Market, Managed Assets
Balanced, Managed Assets Growth, Equity Income, Growth, Intrinsic Value, and
Growth and Value Funds, are projected to experience higher annualized per share
total expense ratios upon consummation of the Reorganization. The Pegasus U.S.
Government Securities Cash Management, Pegasus Market Expansion Index and
Pegasus Short Municipal Bond Funds are projected to experience no increase in
annualized per share total expense ratios upon consummation of the
Reorganization. Such projections take into account potential savings in fixed
and variable expenses resulting from synergies and renegotiated contract terms
with vendors, as well as voluntary fee waivers and/or expense reimbursements.
The voluntary fee waivers and/or expense reimbursements may be terminated at any
time except as noted below. For detailed information regarding pro forma and
other expense information, see the Tables under "Expense Ratios," "Investment
Adviser -- Pegasus Portfolios," "Investment Adviser -- One Group Funds" under
the heading "Comparison of Pegasus and One Group" and Appendix II -- Comparative
Fee Tables. BOIA as investment adviser to the Existing One Group Funds has
agreed to limit the total operating expense ratios of the Existing One Group
Funds following the Reorganization as set forth in the Table under "Comparison
of Pegasus and One Group -- Expense Ratios" and Appendix II until August 1999.
With respect to the New One Group Funds, BOIA has agreed to waive a portion of
its investment advisory fee until at least March 2000 so that the rate of total
operating expenses actually paid will not exceed the rate currently paid for
total operating expenses by the corresponding Continuing Pegasus Portfolios.
 
                                    SUMMARY
 
     The following is a summary of certain information relating to the
Reorganization and is qualified by reference to the more complete information
contained elsewhere in this Combined Prospectus/Proxy Statement, the
Prospectuses and Statements of Additional Information of Pegasus and One Group,
and the Appendices attached hereto. Pegasus' Annual Reports and Semi-Annual
Reports to Shareholders may be obtained free of charge by calling 1-800-688-3350
or writing Pegasus Funds, P.O. Box 5142, Westborough, Massachusetts 01581. One
Group's Annual Reports to Shareholders may be obtained free of charge by calling
1-800-480-4111 or writing to The One Group(R), 3435 Stelzer Road, Columbus, Ohio
43219.
 
     PROPOSED REORGANIZATION. The Reorganization Agreement provides for: (1) the
transfer of all of the Fund Assets and Liabilities of each of the Reorganizing
Pegasus Portfolios and Continuing Pegasus Portfolios (each a "Pegasus
Portfolio," together the "Pegasus Portfolios") to a corresponding Existing One
Group Fund or a New One Group Fund (each a "One Group Fund," together the "One
Group Funds") in exchange for Shares of designated classes of the corresponding
One Group Fund; and (2) the distribution of One Group Fund Shares to the
shareholders of the Pegasus Portfolios in liquidation of the Pegasus Portfolios.
The Reorganization is subject to a number of conditions with respect to each
Pegasus Portfolio, including shareholder approval. Shareholders of each Pegasus
Portfolio will vote separately on the Reorganization on a class-by-class basis.
Following the Reorganization, Pegasus will wind up its affairs and deregister as
an investment company under the 1940 Act. If a majority of the shares of one or
more classes of a Pegasus Portfolio fails to approve the Reorganization, that
Pegasus Portfolio will not participate in the Reorganization and Pegasus will
not be terminated under state law. In such a case, the Pegasus Board of Trustees
will take such action as it deems to be in the best interests of any such
non-participating portfolio.
 
     As a result of the proposed Reorganization, a Pegasus Portfolio shareholder
will become a shareholder of the corresponding One Group Fund and will hold,
immediately after the Exchange Date (as defined in the Reorganization
Agreement), shares of the designated classes of the corresponding One Group Fund
having a
 
                                        6
<PAGE>   10
 
total dollar value equal to the total dollar value of the shares of the Pegasus
Portfolio that the shareholder held immediately before the Exchange Date. The
exchange of the Fund Assets and Liabilities of each Pegasus Portfolio, other
than the Pegasus Cash Management, Treasury Cash Management, Treasury Prime Cash
Management, U.S. Government Securities Cash Management and Municipal Cash
Management Funds, is expected to occur on or about March 22, 1999 or such later
date as may be determined pursuant to the Reorganization Agreement. The exchange
of the Fund Assets and Liabilities of the remaining Pegasus Portfolios is
expected to occur on or after March 29, 1999 or such later date as may be
determined pursuant to the Reorganization Agreement.
 
     OVERVIEW OF PEGASUS AND ONE GROUP. The investment objectives and policies
of the Pegasus Portfolios are similar to those of their corresponding One Group
Funds. There are, however, certain significant differences. For example, the
Pegasus Small-Cap Opportunity Fund primarily invests in companies with a market
capitalization of $100 million to $1 billion while The One Group Small Cap Value
Fund invests in companies with a market capitalization of $100 million to $2
billion. Likewise, the Pegasus Mid-Cap Opportunity Fund invests primarily in
companies with a market capitalization of $500 million to $3 billion while The
One Group Diversified Mid Cap Fund invests in companies with a market
capitalization of $500 million to $5 billion. Investments in companies with
smaller market capitalizations may be riskier than investments in companies with
larger market capitalizations.
 
     The Intermediate Municipal Bond Fund and the International Equity Fund of
Pegasus are "non-diversified" funds, but the corresponding One Group Funds are
diversified. Non-diversified funds may invest a more significant portion of
their assets in the securities of a single issuer which increases the risk of
loss if an issuer fails to make interest or principal payments or if the market
value of a security declines. The Pegasus High Yield Bond Fund has no stated
policy on weighted average maturity, but as of September 30, 1998, the Fund's
average weighted maturity was 6.2 years. The weighted average maturity of the
investments of The One Group High Yield Bond Fund must range between five and
ten years. This is significant because the longer the maturity of an investment,
the greater its volatility. The Pegasus Multi Sector Bond Fund may invest in
investment grade debt securities only, but the corresponding One Group Income
Bond Fund may invest up to 30% of its total assets in securities rated below
investment grade (sometimes known as "junk bonds"). As of December 1, 1998, The
One Group Income Bond Fund had invested less than 10% of its total assets in
below investment grade securities. Investments in securities rated below
investment grade are high risk investments subject to greater risk of loss,
valuation difficulties, interest rate sensitivity, low liquidity and changes in
credit quality. The percentage of assets allocated to the various underlying
mutual funds varies for the Pegasus Managed Assets Funds and The One Group
Investor Funds. For additional investment related information, see "Comparison
of Pegasus and One Group -- Investment Objectives and Policies," Appendix
III -- Comparison of Investment Objectives and Certain Significant Policies
attached to this Combined Prospectus/Proxy Statement, and Pegasus' and Existing
One Group Funds' Prospectuses and Statements of Additional Information, which
are incorporated by reference herein.
 
     FCNIMCO presently serves as the investment adviser to each Pegasus
Portfolio. Federated Investment Counseling ("Federated") currently serves as
sub-adviser to the Pegasus High Yield Bond Fund. BOIA currently serves as
investment adviser to The One Group Funds. FCNIMCO and BOIA are affiliates of
BOC. Banc One High Yield Partners, LLC, an affiliate of BOIA, serves as
sub-adviser to The One Group High Yield Bond Fund and Independence International
Associates, Inc. serves as sub-adviser to The One Group International Equity
Index Fund. The Pegasus Portfolios and One Group Funds have different trustees
and service providers, but similar custodial, administrative and distribution
arrangements. State Street Bank and Trust Company ("State Street") serves as
Custodian to The One Group and sub-custodian to Pegasus. BISYS Fund Services
serves as co-administrator and distributor for Pegasus and an affiliate, The One
Group Services Company ("OGSC"), serves as administrator and distributor for The
One Group. BOIA serves as sub-administrator of The One Group. See "Investment
Advisers," "Certain Other Service Providers" and "Distribution Plan and
Shareholder Servicing Arrangements" under "Comparison of Pegasus and One Group."
 
                                        7
<PAGE>   11
 
     The Table under "Comparison of Pegasus and One Group -- Expense Ratios,"
shows the current annualized per share total operating expense ratio for each
share class of each Pegasus Portfolio along with the pro forma total operating
expense ratio that could be expected for each designated class of shares of the
corresponding One Group Fund after the Reorganization. The section entitled "Fee
Tables" above and Appendix II -- Comparative Fee Tables to this Combined
Prospectus/Proxy Statement provide additional information about the fees and
expenses for each of the Pegasus Portfolios and corresponding One Group Funds.
 
     PURCHASE/REDEMPTION PROCEDURES. The purchase, redemption, dividend and
other policies and procedures of the Pegasus Portfolios and the One Group Funds
are generally similar. See "Comparison of Pegasus and One Group -- Shareholder
Transactions and Services" and Appendix IV -- Shareholder Transactions and
Services to this Combined Prospectus/Proxy Statement. NO SALES CHARGE OR
CONTINGENT DEFERRED SALES CHARGE ("CDSC") WILL BE IMPOSED ON ANY OF THE
SHAREHOLDERS OF PEGASUS PORTFOLIOS IN CONNECTION WITH THE REORGANIZATION.
 
     FEDERAL INCOME TAX CONSEQUENCES. Ropes & Gray, independent outside counsel
to One Group and to its Board of Trustees, is expected to issue an opinion
(based on certain assumptions) as of the effective time of each of the
Reorganizing Pegasus Portfolios Transaction and the Continuing Pegasus
Portfolios Transaction that each transaction, will not give rise to the
recognition of income, gain or loss for federal income tax purposes to the
Pegasus Portfolios or the One Group Funds or their respective shareholders. Such
an opinion is required by the Reorganization Agreement with respect to each
Pegasus Portfolio that is not a money market fund, but is not required with
respect to a Pegasus Portfolio that is a money market fund.
 
     Shareholders should note that each One Group Fund may, to the extent
permitted by law and consistent with the opinion to be issued by Ropes & Gray
discussed above, dispose of some of the securities acquired by it in connection
with the transaction. Disposition of securities may have tax consequences to
shareholders. In addition, immediately prior to the transaction, each Pegasus
Portfolio will declare and distribute a dividend which will have the effect of
distributing to shareholders all of the Pegasus Portfolio's investment company
taxable income and net realized capital gains. To the extent that a Pegasus
Portfolio's investments, consistent applicable law and with the opinion to be
issued by Ropes & Gray, are restructured prior to the Reorganization, the
Pegasus Portfolio may realize a greater amount of net capital gains which would
then need to be distributed to Pegasus shareholders. These distributions may
have tax consequences to Pegasus shareholders. In addition, any distributions by
a One Group fund after the Reorganization will be taxable to Pegasus
shareholders who become shareholders of such fund as a result of the
Reorganization even if the distributions are paid from income earned prior to
the Reorganization. For additional information, see the sections below entitled
"Federal Income Tax Consequences" and "Pegasus Board Consideration" under
"Information Relating to the Proposed Reorganization."
 
     BOARD CONSIDERATION. Based upon their evaluation of the relevant
information presented to them, and in light of their fiduciary duties under
federal and state law, Pegasus' and One Group's Boards, including their members
who are not "interested persons" within the meaning of the 1940 Act, have
unanimously determined that the proposed Reorganization is in the best interests
of their Funds' respective shareholders and that the interests of such
shareholders will not be diluted as a result of the Reorganization. In making
this determination, the Pegasus Board considered the potential overall effect of
the Reorganization on shareholders of the Pegasus Portfolios including the
following factors in particular: (1) the relative performance of the Pegasus
Portfolios and One Group Funds; (2) comparative management fees and expense
ratios; (3) tax-free nature of the transaction; (4) similarity of fund
investment objectives, policies and limitations; (5) terms and conditions of the
Reorganization Agreement; (6) capabilities, practices, and resources of BOIA and
the other service providers; (7) increased market presence; (8) enhanced
shareholder services; (9) products offered; (10) back office support; (11)
availability of Class C shares; and (12) benefits to other persons, especially
BOIA and its affiliates.
 
     For a more complete discussion of the factors affecting the Board's
decision, see "Information Relating to the Proposed Reorganization -- Pegasus
Board Consideration."
 
                                        8
<PAGE>   12
 
     PEGASUS' BOARD OF TRUSTEES RECOMMENDS THAT SHAREHOLDERS VOTE "FOR" APPROVAL
OF THE REORGANIZATION AGREEMENT.
 
     PRINCIPAL RISK FACTORS. Because of the similarities in investment
objectives and policies, the Pegasus Portfolios and The One Group Funds (for
purposes of this discussion only, collectively, the "Funds") are subject to
similar investment risks. The following discussion identifies certain broad
risks inherent in investing in the Funds. The One Group Investor Funds and the
Pegasus Managed Assets Funds invest primarily in the securities of other One
Group Funds and Pegasus Portfolios ("Underlying Funds"), respectively. These
Funds do not invest in individual securities (other than certain short-term
instruments). However, to the extent the Underlying Funds invest in various
securities the following risks apply. For more specific risks relating to
specific securities purchased by a particular Fund described below, see the
sections entitled "Investment Practices" and "Investment Risks" in The One Group
Prospectuses, and "Risk Factors" and "Supplemental Information" in the Pegasus
Prospectuses.
 
     Volatility. The One Group Income Equity, Disciplined Value, Value Growth,
Equity Index, Intermediate Bond, Limited Volatility Bond and Intermediate
Tax-Free Bond Funds have a "beta" statistic higher than that of their
corresponding Pegasus Portfolios. The "beta" statistic measures the relative
volatility (that is, the variability in returns) to a common market index.
Specifically, "beta" equals the expected change in fund return per 1% change in
the index return.
 
     The chart below illustrates "beta" statistic differentials for One Group
Funds with betas higher than their corresponding Pegasus Portfolios during the
three-year period ended June 30, 1998:
 
<TABLE>
<CAPTION>
                       FUND NAME                              INDEX          3 YEAR BETA VS INDEX
                       ---------                              -----          --------------------
<S>                                                      <C>                 <C>
One Group(R) Income Equity.............................      S&P 500(1)              0.87
Pegasus Equity Income                                                                0.62
One Group(R) Disciplined Value.........................      S&P 500                 0.76
Pegasus Intrinsic Value                                                              0.70
One Group(R) Value Growth..............................      S&P 500                 1.04
Pegasus Growth and Value                                                             0.79
One Group(R) Equity Index..............................      S&P 500                 1.00
Pegasus Equity Index                                                                 0.98
One Group(R) Intermediate Bond.........................  Lehman Aggregate(2)         0.77
Pegasus Intermediate Bond                                                            0.74
One Group(R) Limited Volatility Bond...................  Lehman Aggregate            0.42
Pegasus Short Bond                                                                   0.30
One Group(R) Intermediate Tax-Free Bond................  Lehman Aggregate            0.68
Pegasus Intermediate Municipal Bond                                                  0.58
</TABLE>
 
- ---------------
 
(1) The S&P 500 Index is comprised of 500 widely held common stocks. It consists
    of 400 industrial, 40 utility, 20 transportation and 40 financial companies
    listed on U.S. market exchanges. It is a capitalization-based index,
    calculated on a total return basis with dividends reinvested.
 
(2) The Lehman Brothers Aggregate Bond Index is comprised of publicly-issued
    fixed-rate non-convertible domestic bond issues rated investment grade or
    higher, with at least one year to maturity and having an outstanding par
    value of at least $100 million. It is a capitalization-based index,
    calculated on a total return basis inclusive of accrued income.
 
     None of these funds has a "beta" statistic indicative of a high risk
posture relative to its index. As a general policy, BOIA attempts to limit the
volatility of all One Group Funds by managing them within a band around a market
index. BOIA attempts to use stock selection to outperform the index without
assuming significant risk. As a result, the One Group Funds generally seek to
achieve higher returns while maintaining volatility consistent with the chosen
index. BOIA believes that this strategy achieves an acceptable risk/return
tradeoff.

                                        9
<PAGE>   13
 
     Equity Securities. The Pegasus Managed Assets Conservative, Managed Assets
Balanced, Managed Assets Growth, Equity Income, Growth, Mid-Cap Opportunity,
Small-Cap Opportunity, Intrinsic Value, Growth and Value, Equity Index, Market
Expansion Index, International Equity Funds and The One Group Investor Balanced,
Investor Growth & Income, Investor Growth, Income Equity, Large Company Growth,
Diversified Mid Cap, Small Cap Value, Disciplined Value, Value Growth, Equity
Index, Market Expansion Index, and Diversified International Funds invest in
equity securities, which may increase or decrease in value. As a result, the
value of your investment in a Fund may increase or decrease in value. The
Pegasus High Yield Bond Fund and The One Group Intermediate Bond, Income Bond,
Limited Volatility Bond, High Yield Bond and Bond Funds also invest to a limited
extent in preferred stocks.
 
     Small Capitalization Companies. The Pegasus Small-Cap Opportunity and The
One Group Small Cap Value Funds invest in small capitalization companies.
Investments in smaller, younger companies may be riskier than investments in
larger, more established companies. These companies may be more vulnerable to
changes in economic conditions, specific industry conditions, market
fluctuations, and other factors affecting the profitability of other companies.
Because economic events may have a greater impact on smaller companies, there
may be a greater and more frequent fluctuation in their stock price. This may
cause frequent and unexpected increases or decreases in the value of your
investment.
 
     Fixed Income Securities. Each Fund may invest in fixed income securities.
Investments in fixed income securities (for example, bonds) will increase or
decrease in value based on changes in interest rates. If rates increase, the
value of a Fund's investments generally declines. On the other hand, if rates
fall, the value of the investments generally increases. The value of your
investment in a Fund will increase and decrease as the value of a Fund's
investments increase and decrease. While securities with longer duration and
maturities tend to produce higher yields, they also are subject to greater
fluctuations in value when interest rates change. Usually changes in the value
of fixed income securities will not affect cash income generated, but may affect
the value of your investment.
 
     Non-Diversified Funds. The Pegasus Michigan Municipal Money Market,
International Equity, Municipal Bond, Short Municipal Bond, Intermediate
Municipal Bond and Michigan Municipal Bond Funds and The One Group Michigan
Municipal Money Market and Michigan Municipal Bond Funds are "non-diversified"
funds. This means that the Funds may invest a more significant portion of their
assets in the securities of a single issuer than can a "diversified" fund. In
addition, these Funds' investments may be concentrated geographically. These
concentrations increase the risk of loss to the Funds if an issuer fails to make
interest or principal payments or if the market value of a security declines. A
diversified Fund invests in a larger number of issuers, with a smaller
percentage in each issuer. Although diversification reduces the risk that a
fund's investments will be affected by a single issuer, other factors, such as
risks inherent in the underlying securities, are also relevant.
 
     State Specific Municipal Securities. Because the Pegasus Michigan Municipal
Money Market and Michigan Municipal Bond Funds and The One Group Michigan
Municipal Money Market and Michigan Municipal Bond Funds concentrate their
investments in Michigan, the following factors may have a disproportionately
negative effect on the Funds' investments. First, the economy of Michigan is
dependent on the automobile manufacturing industry which is highly cyclical.
This cyclical economy affects the revenue streams of the state and its political
subdivisions because it impacts their tax sources. Second, state based sources,
including increased sales tax, are being used to pay a larger portion of the
cost of public education than in the past. These recent changes in the payment
of education costs will affect state and local revenue of Michigan governmental
units in future years in varying ways.
 
     Index Funds. The Pegasus Market Expansion Index and Equity Index Funds and
The One Group Market Expansion Index and Equity Index Funds are index funds. An
index fund's investment objective is to track the performance of a specified
index. Therefore, securities may be purchased, retained and sold by an index
fund at times when an actively managed fund would not do so. As a result, you
can expect greater risk of loss (and a correspondingly greater prospect of gain)
from changes in the value of securities that are heavily weighted in the index
than would be the case if the Funds were not fully invested in such securities.
Because of
 
                                       10
<PAGE>   14
 
this, an index fund's share price can be volatile and you should be prepared to
handle sudden, and sometimes substantial, fluctuations in the value of your
investment.
 
     International Funds. Investments in foreign securities involve risks
different from investments in U.S. securities. These include the risk of losses
attributable to unfavorable governmental or political actions, seizure of
foreign assets, changes in tax or trade statutes, and governmental collapse and
war. Investments in foreign securities also involve the risk associated with
higher transaction costs, delayed settlements, currency controls and adverse
economic developments. This also includes the risk that fluctuations in the
exchange rates between the U.S. dollar and foreign currencies may negatively
affect an investment. Adverse changes in exchange rates may erode or reverse any
gains produced by foreign currency denominated investments and may widen any
losses. Exchange rate volatility also may affect the ability of an issuer to
repay U.S. dollar denominated debt, thereby increasing credit risk. Because of
these risk factors, the share price of both the Pegasus International Equity
Fund and The One Group(R) Diversified International Fund can be volatile, and
you should be prepared to sustain sudden, and sometimes, substantial,
fluctuations in the value of your investment.
 
     Lower Rated Investment Grade Securities. All Pegasus Portfolios, other than
the money market funds, and The One Group Income Bond, Limited Volatility Bond,
Bond, Investor Balanced, Investor Growth & Income, Investor Growth, and
Intermediate Bond Funds may invest in debt securities rated in the lowest
investment grade category. Securities in this rating category are considered to
have speculative characteristics. Changes in economic conditions or other
circumstances may have a greater effect on the ability of issuers of these
securities to make principal and interest payments than they do on issuers of
higher grade securities.
 
     High Yield/Junk Bonds. The Pegasus Managed Assets Growth, Managed Assets
Balanced, Managed Assets Conservative, Equity Income, Equity Index, Growth and
Value, Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
International Equity, Market Expansion Index and High Yield Bond Funds and The
One Group Investor Growth, Investor Growth & Income, Investor Balanced, Income
Bond and High Yield Bond Funds may invest in debt securities rated below
investment grade. These securities are regarded as predominantly speculative.
Securities rated below investment grade generally provide a higher yield than
higher rated securities of similar maturity, but are subject to a greater degree
of risk that the issuer may not be able to make principal and interest payments.
Issuers of these securities may not be as strong financially as those issuing
higher rated securities. Such high yield issuers may include smaller, less
creditworthy companies or highly indebted firms.
 
     The market value of high yield securities may fluctuate more than the
market value of higher rated securities, since high yield securities tend to
reflect short-term corporate and market developments to a greater extent than
higher rated securities. Thus, periods of economic uncertainty and change can
result in the increased volatility of market prices of high yield bonds and of
the fund's net asset value. Additional risks of high yield securities include
limited liquidity and secondary market support. As a result, the prices of high
yield securities may decline rapidly in the event that a significant number of
holders decide to sell. Issuers of high yield securities also are more
vulnerable to real or perceived economic changes, political changes or adverse
developments specific to the issuer. A projection of an economic downturn, for
example, could cause the price of these securities to decline because a
recession could lessen the ability of a highly leveraged company to make
principal and interest payments on its debt securities. In the event of a
default, these Funds would experience a decline in the market value of their
investments. In addition, a long-term track record on bond default rates, such
as that for investment grade corporate bonds, does not exist for the high yield
market. It may be that future default rates on high-yield bonds will be more
widespread and higher than in the past, especially during periods of
deteriorating economic conditions.
 
     The market prices of debt securities generally fluctuate with changes in
interest rates so that these Funds' net asset values can be expected to decrease
as long-term interest rates rise and to increase as long-term rates fall. The
market prices of high yield securities structured as zero coupon or pay-in-kind
securities are generally affected to a greater extent by interest rate changes
and tend to be more volatile than securities which pay interest periodically.
 
                                       11
<PAGE>   15
 
     Credit quality in the high yield market can change suddenly and
unexpectedly, and even recently-issued credit ratings may not fully reflect the
actual risks posed by a particular high-yield security.
 
     Because investments in high yield securities involve greater investment
risk, achievement of a fund's investment objective may be more dependent on its
adviser's credit analysis than would be the case if the fund were investing in
higher rated securities. The One Group Funds may seek to hedge investments
through transactions in options, futures contracts and related options. The One
Group Funds also may use swap agreements to further manage exposure to high
yield securities.
 
     Derivatives. Some of the Funds invest in securities that are considered to
be derivatives. These securities may be more volatile and may be riskier than
other investments. These include:
 
     - Each Pegasus Portfolio, other than the money market funds, and each One
       Group Fund, other than the money market funds and the Limited Volatility
       Bond Fund, may purchase options, futures contracts or options on futures
       contracts.
 
     - The Pegasus Managed Assets Growth, Managed Assets Balanced, Managed
       Assets Conservative, Equity Income, Equity Index, Growth and Value,
       Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
       International Equity, Market Expansion Index, Multi Sector Bond and High
       Yield Bond Funds and The One Group Investor Balanced, Investor Growth &
       Income, Investor Growth, Large Company Growth, Diversified Mid Cap, Small
       Cap Value, Value Growth, Market Expansion Index, Equity Index,
       Diversified International, Income Bond and High Yield Bond Funds may hold
       warrants.
 
     - The Pegasus Managed Assets Growth, Managed Assets Balanced, Managed
       Assets Conservative, Equity Income, Equity Index, Growth and Value,
       Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
       International Equity, Market Expansion Index, Short Bond, Intermediate
       Bond, Multi Sector Bond, Bond, High Yield Bond, Intermediate Municipal
       Bond, Municipal Bond, Michigan Municipal Bond and Short Municipal Bond
       Funds, and The One Group Prime Money Market, Municipal Money Market,
       Michigan Municipal Money Market, Municipal Cash Management Money Market,
       Investor Growth, Investor Growth & Income, Investor Balanced, Diversified
       Mid Cap, Small Cap Value, Market Expansion Index, Diversified
       International, Intermediate Bond, Bond, Limited Volatility, Income Bond,
       High Yield Bond, Intermediate Tax-Free Bond, Tax-Free Bond, Michigan
       Municipal Bond and Short-Term Municipal Bond Funds may invest in
       mortgage-backed securities, which may include collateralized mortgage
       obligations and Real Estate Mortgage Investment Conduits (CMOs and
       REMICs) and stripped mortgage-backed securities (IOs and POs).
 
     - The Pegasus Managed Assets Growth, Managed Assets Balanced, Managed
       Assets Conservative, Equity Income, Equity Index, Growth and Value,
       Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
       International Equity, Market Expansion Index, Short Bond, Intermediate
       Bond, Multi Sector Bond, Bond and High Yield Bond Funds, and The One
       Group Prime Money Market, Municipal Money Market, Investor Growth,
       Investor Growth & Income, Investor Balanced, Diversified Mid Cap, Small
       Cap Value, Market Expansion Index, Diversified International,
       Intermediate Bond, Bond, Limited Volatility, Income Bond, High Yield
       Bond, Municipal Bond, Michigan Municipal Bond, Short-Term Municipal Bond
       and Intermediate Tax-Free Bond Funds may purchase asset-backed
       securities.
 
     - The Pegasus Managed Assets Growth, Managed Assets Balanced, Managed
       Assets Conservative, Equity Income, Equity Index, Growth and Value,
       Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
       International Equity, Market Expansion Index, Short Bond, Intermediate
       Bond, Multi Sector Bond, Bond, High Yield Bond, Municipal Bond, Short
       Municipal Bond, Intermediate Municipal Bond and Michigan Municipal Bond
       Funds and The One Group Investor Growth, Investor Growth & Income,
       Investor Balanced, Income Equity, Equity Index, Value Growth, Disciplined
       Value, Large Company Growth, Diversified Mid Cap, Small Cap Value,
       Diversified International, Market Expansion Index, Intermediate Bond,
       Limited Volatility Bond, Income Bond,
 
                                       12
<PAGE>   16
 
       Bond, High Yield Bond, Intermediate Tax-Free Bond, Tax-Free Bond,
       Michigan Municipal Bond and Short-Term Municipal Bond Funds may invest in
       swap, cap and floor transactions.
 
     - Each Pegasus Fund, other than the money market funds, and The One Group
       Investor Growth, Investor Growth & Income, Investor Balanced,
       Intermediate Bond, Income Bond, Bond, High Yield Bond, Intermediate
       Tax-Free Bond, Tax-Free Bond, Short-Term Municipal Bond and Michigan
       Municipal Bond Funds may invest in inverse floating rate instruments.
       Inverse floating rate instruments are floating rate debt instruments with
       interest rates that reset in the opposite direction from the market rate
       of interest to which the inverse floater is indexed.
 
     - The Pegasus Managed Assets Growth, Managed Assets Balanced, Managed
       Assets Conservative, Equity Income, Equity Index, Growth and Value,
       Intrinsic Value, Growth, Mid-Cap Opportunity, Small-Cap Opportunity,
       International Equity, Market Expansion Index, Short Bond, Intermediate
       Bond, Multi Sector Bond, Bond, High Yield Bond, Intermediate Municipal
       Bond, Municipal Bond, Michigan Municipal Bond and Short Municipal Bond
       Funds, and The One Group Investor Growth, Investor Growth & Income,
       Investor Balanced, Diversified Mid Cap, Small Cap Value, Diversified
       International, Market Expansion Index, Limited Volatility Bond,
       Intermediate Bond, Income Bond, Bond, High Yield Bond, Intermediate
       Tax-Free Bond, Tax-Free Bond, Michigan Municipal Bond and Short-Term
       Municipal Bond Funds may invest in structured instruments.
 
     - Each Fund, other than the Pegasus money market funds, and The One Group
       money market funds and Limited Volatility Bond Fund, may invest in new
       financial products.
 
     The above discussion is qualified in its entirety by the disclosure in The
One Group Funds Prospectuses accompanying this Combined Prospectus/Proxy
Statement and the information in the Pegasus Funds Prospectuses incorporated
herein by reference.
 
     VOTING INFORMATION. This Combined Prospectus/Proxy Statement is being
furnished in connection with the solicitation of proxies by Pegasus' Board of
Trustees at the Meeting. Only shareholders of record at the close of business on
December 18, 1998 will be entitled to vote at the Meeting. Each whole or
fractional share is entitled to a whole or fractional vote, respectively. Shares
represented by a properly executed proxy will be voted in accordance with the
instructions thereon or, if no specification is made, the persons named as
proxies will vote in favor of each proposal set forth in the Notice of Meeting.
Proxies may be revoked at any time before they are exercised by submitting to
Pegasus a written notice of revocation or a subsequently executed proxy or by
attending the Meeting and voting in person. For additional information, see
"Information Relating to Voting Matters."
 
     MANAGEMENT DISCUSSION. A discussion of the management and performance of
The One Group Funds (except The One Group High Yield Bond Fund and the New One
Group Funds) and an analysis of their performance can be found at Appendix V to
this Combined Prospectus/Proxy Statement.
 
              INFORMATION RELATING TO THE PROPOSED REORGANIZATION
 
     The terms and conditions of the Reorganization are set forth in the
Reorganization Agreement. Certain provisions of the Reorganization Agreement are
summarized below; however, this summary is qualified in its entirety by
reference to the Reorganization Agreement, a copy of which is attached as
Appendix I to this Combined Prospectus/Proxy Statement.
 
     DESCRIPTION OF THE REORGANIZATION AGREEMENT. The Reorganization Agreement
provides that on the Exchange Date (as that term is defined in the
Reorganization Agreement), the Assets and Liabilities existing at the Valuation
Time (as that term is defined in the Reorganization Agreement) of each Pegasus
Portfolio will be transferred to its corresponding One Group Fund, as previously
described (see pages 2-3 of this Combined Prospectus/Proxy Statement), in
exchange for full and fractional Shares of the designated classes of the
corresponding One Group Fund.
 
                                       13
<PAGE>   17
 
     The Shares issued by each One Group Fund in the Reorganization will have an
aggregate dollar value equal to the aggregate dollar value of the net assets per
share of the respective Pegasus Portfolio at the Valuation Time. Immediately
after the Exchange Date, each Pegasus Portfolio will distribute the Shares of
the One Group Fund received in the Reorganization to its shareholders in
liquidation of each Pegasus Portfolio. Each shareholder owning shares of a
particular Pegasus Portfolio at the Exchange Date will receive Shares of the
designated class of the corresponding One Group Fund, and will receive any
unpaid dividends or distributions that were declared before the Exchange Date on
Pegasus Portfolio shares. One Group will establish an account for each former
shareholder of the Pegasus Portfolios reflecting the appropriate number of One
Group Fund Shares distributed to that shareholder. These accounts will be
substantially identical to the accounts currently maintained by Pegasus for each
shareholder. Shares of the One Group Funds are in uncertificated form.
 
     With respect to each Pegasus Portfolio, the Reorganization is subject to a
number of conditions, including approval of the Reorganization Agreement and the
related matters described in this Combined Prospectus/ Proxy Statement by
Pegasus shareholders at the Meeting; the receipt of certain legal opinions
described in the Reorganization Agreement (which include an opinion of One
Group's counsel addressed to Pegasus that the One Group Fund Shares issued in
the Reorganization will be validly issued, fully paid and non-assessable); the
receipt of certain certificates from the parties concerning the continuing
accuracy of the representations and warranties in the Reorganization Agreement;
the receipt of certain information from the independent accountants of Pegasus
regarding tax matters; and the parties' performance in all material respects of
their respective covenants and undertakings in the Reorganization Agreement.
 
     The Reorganization Agreement provides that Pegasus and One Group will each
be responsible for their own expenses in connection with the Reorganization.
However, BOIA has agreed to assume the costs of proxy materials proxy
solicitations and certain other fees payable by Pegasus in connection with the
Reorganization as described on page 30. The Reorganization Agreement also
provides, among other things, that the Reorganization may be abandoned at any
time upon the mutual consent of both Pegasus and One Group, or by either One
Group or Pegasus under certain conditions; that in the event shareholder
approval of the Reorganization is obtained by one or more but not all Pegasus
Portfolios, the Reorganization will be consummated with respect to those Pegasus
Portfolios whose shareholders have approved the Reorganization; that in the
event that shareholder approval is obtained with respect to some but not all
classes of a Pegasus Portfolio, the transactions with respect to that Pegasus
Portfolio, will not be consummated unless and until shareholder approval is
obtained with respect to all classes; and that officers of One Group and of
Pegasus may amend, modify or supplement the Reorganization Agreement, provided
however, that following the Meeting, no such amendment may have the effect of
changing the provisions for determining the number of Shares of the
corresponding One Group Fund to be issued to the shareholders of any Pegasus
Portfolio without obtaining the Pegasus Portfolio shareholders' further
approval. In the event the transactions contemplated by the Reorganization
Agreement are not consummated by reason of Pegasus or One Group being either
unwilling or unable to go forward (other than by reason of the nonfulfillment or
failure of any condition to that party's obligations referred to in Sections
8(a) and 10 of the Reorganization Agreement), the party failing to consummate
shall pay directly all reasonable fees and expenses incurred by Pegasus or by
One Group in connection with such transactions, including without limitation,
legal, accounting and filing fees.
 
     PEGASUS BOARD CONSIDERATION. At meetings on August 13, September 28,
October 30, November 5, November 18, November 23 and December 16, 1998 and
January 12, 1999, the Board of Trustees of Pegasus considered the proposed
Reorganization. On January 12, 1999, the Board of Trustees of Pegasus approved
the Reorganization Agreement and determined that the Reorganization of the
Pegasus Portfolios and the One Group Funds would be in the best interests of
each Pegasus Portfolio. The Trustees further determined that the interests of
existing shareholders of the Pegasus Portfolios would not be diluted upon
effectuation of the Reorganization. The Trustees recommend approval of the
Reorganization Agreement after considering the
 
                                       14
<PAGE>   18
 
potential overall effect of the Reorganization on the shareholders of the
Pegasus Portfolios including the following factors:
 
     1. Performance. The total returns of the One Group Funds are competitive
with, and in many cases superior to, those of the Pegasus Portfolios as shown
below. Total returns for Class A and Class B shares reflect any applicable sales
load. The Trustees noted, however, that the performance shown is based on
historical earnings and is not predictive of future performance.
 
<TABLE>
<CAPTION>
                                              PEGASUS                      ONE GROUP(R) PRIME
                                         MONEY MARKET FUND                  MONEY MARKET FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............   4.20%     3.55%     4.42%          4.22%     3.56%     4.43%
1 Year Annualized -- 10/31/98.....   5.08%     4.29%     5.34%          5.11%     4.32%     5.37%
3 Year Annualized -- 10/31/98.....   5.05%     4.52%     5.25%          5.05%        --     5.31%
5 Year Annualized -- 10/31/98.....   4.84%     4.52%     4.96%          4.82%        --     5.08%
10 Year Annualized -- 10/31/98....   5.47%     5.31%     5.53%             --        --     5.55%
</TABLE>
 
<TABLE>
<CAPTION>
                                         PEGASUS TREASURY                ONE GROUP(R) U.S. TREASURY
                                         MONEY MARKET FUND              SECURITIES MONEY MARKET FUND
                                    ---------------------------        ------------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A    CLASS B    CLASS I
                                    -------   -------   -------        --------   --------   --------
<S>                                 <C>       <C>       <C>            <C>        <C>        <C>
YTD Ending 10/31/98...............   4.08%        --     4.29%           4.04%      3.39%      4.25%
1 Year Annualized -- 10/31/98.....   4.94%        --     5.20%           4.89%      4.10%      5.15%
3 Year Annualized -- 10/31/98.....   4.93%        --     5.12%           4.88%         --      5.14%
5 Year Annualized -- 10/31/98.....   4.72%        --     4.84%           4.62%         --      4.88%
10 Year Annualized -- 10/31/98....      --        --        --              --         --      5.32%
</TABLE>
 
<TABLE>
<CAPTION>
                                         PEGASUS MUNICIPAL               ONE GROUP(R) MUNICIPAL
                                         MONEY MARKET FUND                  MONEY MARKET FUND
                                    ---------------------------        ---------------------------
                                    CLASS A             CLASS I        CLASS A             CLASS I
                                    -------             -------        -------             -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............   2.40%               2.61%          2.39%               2.60%
1 Year Annualized -- 10/31/98.....   2.93%               3.19%          2.93%               3.19%
3 Year Annualized -- 10/31/98.....   3.00%               3.19%          2.98%               3.22%
5 Year Annualized -- 10/31/98.....   2.92%               3.03%          2.87%               3.11%
10 Year Annualized -- 10/31/98....   3.59%               3.65%             --               3.69%
</TABLE>
 
<TABLE>
<CAPTION>
                                      PEGASUS MANAGED ASSETS              ONE GROUP(R) INVESTOR
                                         CONSERVATIVE FUND                    BALANCED FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............  -1.27%    -1.54%     4.16%          3.87%     3.05%     9.09%
1 Year Annualized -- 10/31/98.....   0.62%     1.38%     6.19%          6.77%     5.96%    12.20%
3 Year Annualized -- 10/31/98.....   8.96%     9.17%    11.12%             --        --        --
5 Year Annualized -- 10/31/98.....   8.72%        --    10.06%             --        --        --
10 Year Annualized -- 10/31/98....  10.75%        --    11.56%             --        --        --
</TABLE>
 
                                       15
<PAGE>   19
 
<TABLE>
<CAPTION>
                                      PEGASUS MANAGED ASSETS              ONE GROUP(R) INVESTOR
                                           BALANCED FUND                  GROWTH & INCOME FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............  -2.51%    -2.82%     2.75%          4.16%     3.14%     9.14%
1 Year Annualized -- 10/31/98.....   0.08%     0.99%     5.53%          7.77%     6.92%    13.05%
3 Year Annualized -- 10/31/98.....  10.08%     9.06%    12.21%             --        --        --
5 Year Annualized -- 10/31/98.....      --        --        --             --        --        --
</TABLE>
 
<TABLE>
<CAPTION>
                                              PEGASUS                     ONE GROUP(R) INVESTOR
                                    MANAGED ASSETS GROWTH FUND                 GROWTH FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............  -4.02%    -4.47%     1.19%          3.73%     2.99%     8.88%
1 Year Annualized -- 10/31/98.....  -0.96%    -0.51%     4.43%          8.14%     7.37%    13.50%
3 Year Annualized -- 10/31/98.....      --        --        --             --        --        --
5 Year Annualized -- 10/31/98.....      --        --        --             --        --        --
</TABLE>
 
<TABLE>
<CAPTION>
                                              PEGASUS                      ONE GROUP(R) INCOME
                                        EQUITY INCOME FUND                     EQUITY FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............  -7.72%    -7.85%    -2.65%          4.53%     3.86%     9.76%
1 Year Annualized -- 10/31/98.....  -4.07%    -2.92%     1.24%         11.39%    10.78%    16.99%
3 Year Annualized -- 10/31/98.....  13.19%    13.53%    15.47%         20.30%    20.61%    22.51%
5 Year Annualized -- 10/31/98.....  11.33%    11.74%    12.90%         16.75%        --    18.15%
10 Year Annualized -- 10/31/98....  12.05%    12.32%    13.13%             --        --    15.45%
</TABLE>
 
<TABLE>
<CAPTION>
                                              PEGASUS                  ONE GROUP(R) LARGE COMPANY
                                            GROWTH FUND                        GROWTH FUND
                                    ---------------------------        ---------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                    -------   -------   -------        -------   -------   -------
<S>                                 <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98...............   9.45%     9.42%    15.36%         19.70%    19.54%    25.59%
1 Year Annualized -- 10/31/98.....  14.19%    15.23%    20.41%         27.09%    27.02%    33.41%
3 Year Annualized -- 10/31/98.....  21.29%    21.76%    23.68%         25.11%    25.68%    27.52%
5 Year Annualized -- 10/31/98.....  17.07%    17.49%    18.66%             --        --    21.82%
10 Year Annualized -- 10/31/98....  15.82%    16.08%    16.91%             --        --        --
</TABLE>
 
<TABLE>
<CAPTION>
                                           PEGASUS                  ONE GROUP(R) DISCIPLINED
                                    INTRINSIC VALUE FUND                   VALUE FUND
                                 ---------------------------       ---------------------------
                                 CLASS A   CLASS B   CLASS I       CLASS A   CLASS B   CLASS I
                                 -------   -------   -------       -------   -------   -------
<S>                              <C>       <C>       <C>           <C>       <C>       <C>
YTD Ending 10/31/98............  -11.50%   -12.04%    -6.67%        -6.52%    -7.03%    -1.93%
1 Year
  Annualized -- 10/31/98.......   -8.05%    -7.45%    -2.99%         2.11%     1.81%     7.10%
3 Year
  Annualized -- 10/31/98.......   13.01%    13.53%    15.16%        15.83%    16.00%    17.91%
5 Year
  Annualized -- 10/31/98.......   11.65%    12.28%    12.92%        12.99%        --    14.29%
10 Year
  Annualized -- 10/31/98.......   12.12%    12.50%    12.76%            --        --        --
</TABLE>
 
                                       16
<PAGE>   20
 
<TABLE>
<CAPTION>
                                              PEGASUS                  ONE GROUP(R) VALUE GROWTH FUND
                                       GROWTH AND VALUE FUND            (FORMERLY VALUE GROWTH FUND)
                                    ---------------------------        ------------------------------
                                    CLASS A   CLASS B   CLASS I        CLASS A    CLASS B    CLASS I
                                    -------   -------   -------        --------   --------   --------
<S>                                 <C>       <C>       <C>            <C>        <C>        <C>
YTD Ending 10/31/98...............  -1.18%    -1.43%     4.20%           8.28%      7.59%     13.64%
1 Year Annualized -- 10/31/98.....   5.49%     6.53%    11.29%          14.95%     14.47%     20.72%
3 Year Annualized -- 10/31/98.....  17.44%    17.74%    19.67%          22.01%     22.27%     24.21%
5 Year Annualized -- 10/31/98.....  14.88%    15.37%    16.19%          16.50%         --     17.76%
10 Year Annualized -- 10/31/98....  13.24%    13.54%    13.88%              --         --         --
</TABLE>
 
<TABLE>
<CAPTION>
                                                 PEGASUS                      ONE GROUP(R) EQUITY
                                            EQUITY INDEX FUND                     INDEX FUND
                                       ---------------------------        ---------------------------
                                       CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                       -------   -------   -------        -------   -------   -------
<S>                                    <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98..................   10.75%    10.47%    14.42%          8.96%     8.40%    14.33%
1 Year Annualized -- 10/31/98........   17.69%    17.42%    21.62%         15.88%    15.46%    21.65%
3 Year Annualized -- 10/31/98........   24.19%    23.70%    25.66%         23.29%    23.63%    25.57%
5 Year Annualized -- 10/31/98........   20.13%    20.10%    20.99%         19.46%       --     20.83%
10 Year Annualized -- 10/31/98.......   17.11%    17.09%    17.52%            --        --        --
</TABLE>
 
<TABLE>
<CAPTION>
                                                 PEGASUS                   ONE GROUP(R) INTERMEDIATE
                                         INTERMEDIATE BOND FUND                    BOND FUND
                                       ---------------------------        ---------------------------
                                       CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                       -------   -------   -------        -------   -------   -------
<S>                                    <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98..................    6.88%     6.13%     7.08%          6.60%     6.06%     6.83%
1 Year Annualized -- 10/31/98........    7.86%     7.00%     8.10%          7.40%     6.72%     7.65%
3 Year Annualized -- 10/31/98........    7.91%     7.40%     8.13%          6.86%     6.22%     7.11%
5 Year Annualized -- 10/31/98........    6.42%     6.11%     6.55%            --        --      6.13%
10 Year Annualized -- 10/31/98.......    8.11%     7.95%     8.18%            --        --        --
</TABLE>
 
<TABLE>
<CAPTION>
                                                 PEGASUS                   ONE GROUP(R) LIMITED VOLATILITY
                                             SHORT BOND FUND                          BOND FUND
                                       ---------------------------        ---------------------------------
                                       CLASS A   CLASS B   CLASS I         CLASS A     CLASS B     CLASS I
                                       -------   -------   -------        ---------   ---------   ---------
<S>                                    <C>       <C>       <C>            <C>         <C>         <C>
YTD Ending 10/31/98..................    4.66%     4.07%     5.94%           3.04%       2.80%       6.42%
1 Year Annualized -- 10/31/98........    5.45%     4.72%     6.78%           2.96%       2.78%       6.45%
3 Year Annualized -- 10/31/98........    5.55%     5.29%     6.10%           4.97%       4.94%       6.32%
5 Year Annualized -- 10/31/98........    5.17%     5.02%     5.50%           4.75%         --        5.68%
10 Year Annualized -- 10/31/98.......    6.75%     6.67%     6.92%             --          --          --
</TABLE>
 
<TABLE>
<CAPTION>
                                                 PEGASUS                      ONE GROUP(R) INCOME
                                         MULTI SECTOR BOND FUND                    BOND FUND
                                       ---------------------------        ---------------------------
                                       CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                       -------   -------   -------        -------   -------   -------
<S>                                    <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98..................    3.43%     3.03%     6.90%          1.16%     0.39%     6.08%
1 Year Annualized -- 10/31/98........    4.87%     4.38%     8.44%          1.43%     0.54%     6.36%
3 Year Annualized -- 10/31/98........    5.90%     5.64%     7.32%          4.73%     4.77%     6.56%
5 Year Annualized -- 10/31/98........    6.03%     6.16%     6.93%          4.53%       --      5.76%
10 Year Annualized -- 10/31/98.......      --        --        --             --        --      7.62%
</TABLE>
 
                                       17
<PAGE>   21
 
<TABLE>
<CAPTION>
                                          PEGASUS INTERMEDIATE             ONE GROUP(R) INTERMEDIATE
                                           MUNICIPAL BOND FUND                TAX-FREE BOND FUND
                                       ---------------------------        ---------------------------
                                       CLASS A   CLASS B   CLASS I        CLASS A   CLASS B   CLASS I
                                       -------   -------   -------        -------   -------   -------
<S>                                    <C>       <C>       <C>            <C>       <C>       <C>
YTD Ending 10/31/98..................    1.72%     1.21%     5.08%          0.54%    -0.34%     5.43%
1 Year Annualized -- 10/31/98........    3.39%     2.80%     6.86%          2.39%     1.50%     7.44%
3 Year Annualized -- 10/31/98........    4.69%     4.32%     6.05%          4.81%     4.88%     6.71%
5 Year Annualized -- 10/31/98........    4.65%     4.67%     5.63%          4.32%       --      5.54%
10 Year Annualized -- 10/31/98.......    6.86%     6.88%     7.50%            --        --        --
</TABLE>
 
     No performance comparison is provided for the Pegasus Michigan Municipal
Money Market, Cash Management, Treasury Cash Management, Treasury Prime Cash
Management, U.S. Government Securities Cash Management, Municipal Cash
Management, Mid-Cap Opportunity, Small-Cap Opportunity, Market Expansion Index,
International Equity, Bond, High Yield Bond, Municipal Bond, Short Municipal
Bond and Michigan Municipal Bond Funds because the corresponding One Group Funds
have not yet commenced operations as of October 31, 1998 and the investment
policies and historical performance of these Pegasus Portfolios (other than the
High Yield Bond Fund) will carry forward. Although performance numbers are
provided for the Pegasus Intermediate Bond Fund and Pegasus Multi Sector Bond
Fund and the corresponding One Group Funds, Pegasus' performance history for
these funds survives the Reorganization.
 
     For additional information concerning performance of the Pegasus Portfolios
and One Group Funds, see the Statement of Additional Information prepared in
connection with this Combined Prospectus/Proxy Statement, Pegasus' Prospectuses,
Statements of Additional Information, Annual Reports and Semi-Annual Reports to
Shareholders, One Group's Prospectuses, Statements of Additional Information and
Annual Reports to Shareholders, and Appendix V Management's Discussion of Fund
Performance -- Existing One Group Funds attached to this Combined
Prospectus/Proxy Statement.
 
     2.  Management Fees and Expense Ratios. The Trustees noted that in many
instances the investment advisory fees, and in some instances the total
operating expense ratios, of the One Group Funds are or will be higher than
those of the corresponding Pegasus Portfolios. For comparative information, see
the sections entitled "Investment Adviser -- Pegasus Portfolios," "Investment
Adviser -- One Group" and "Expense Ratios" under "Comparison of Pegasus and One
Group" below, "Fee Tables" above and Appendix II -- Comparative Fee Tables
attached to this Combined Prospectus/Proxy Statement.
 
     BOIA has agreed to limit the total operating expense ratios of the Existing
One Group Funds following the Reorganization until August 1999 as set forth
under the "Pro Forma Total Operating Expenses" column in the Table under
"Comparison of Pegasus and One Group -- Expense Ratios" and Appendix II
- -Comparative Fee Tables to this Combined Prospectus/Proxy Statement. See also
"Fee Tables" above. With respect to the New One Group Funds, BOIA has agreed to
waive a portion of its advisory fee until at least March 2000 so that the rate
of total operating expenses actually paid will not exceed the rate currently
paid for total operating expenses by the Continuing Pegasus Portfolios.
Furthermore, if the Reorganization Agreement is approved, One Group's increased
asset size to approximately $50 billion and resulting leverage with its service
providers may result in lower overall expense ratios. BOIA's current estimates
anticipate expense savings.
 
     3.  Tax-Free Conversion of Pegasus Portfolio Shares. If a Pegasus
shareholder were to redeem his or her investment in a Pegasus Portfolio, other
than a money market fund, in order to invest in a One Group Fund or another
investment product, the shareholder would recognize gain or loss for Federal
income tax purposes upon the redemption of those shares. By contrast, the
proposed Reorganization of each Pegasus Portfolio will cause shareholders to
exchange their investments in the Pegasus Portfolios for investments in the One
Group Funds without recognition of gain or loss for Federal income tax purposes.
After the Reorganization, as a shareholder of One Group, investors may redeem
any or all of their One Group shares (other than Class B shares) at any time,
without incurring a redemption fee or sales charge. At that time, a taxable gain
or loss would be recognized. For further information concerning the tax
consequences of the Reorganization, see "Information Relating to the Proposed
Reorganization -- Federal Income Tax Consequences" below.
 
                                       18
<PAGE>   22
 
     4.  Similarity of Fund Investment Objectives, Policies and Limitations and
Related Tax Consequences. The Trustees considered the similarities between One
Group Funds' investment objectives, policies and limitations and those of the
corresponding Pegasus Portfolios. For information relating to certain
significant differences in the investment objectives, policies and related risk
factors, see the sections entitled "Overview of Pegasus and One Group" and
"Principal Risk Factors" under "Summary" above, "Comparison of Pegasus and One
Group -- Investment Objectives and Policies" below and Appendix
III -- Comparison of Investment Objectives and Certain Significant Policies
attached to this Combined Prospectus/Proxy Statement.
 
     The Trustees noted that the One Group Funds may dispose of some of the
securities acquired by them in the Reorganization and that such dispositions may
have tax consequences to shareholders. In addition, to the extent that a Pegasus
Portfolio's investments are restructured prior to the Reorganization, the
Portfolio may realize capital gains and losses which may have tax consequences
to shareholders. The ability of either entity to dispose of assets in connection
with the Reorganization is limited by the Internal Revenue Code. For additional
information, see "Comparison of Pegasus and One Group -- Federal Income Tax
Consequences" below.
 
     5.  Terms and Conditions of the Reorganization Agreement. The Trustees
considered the terms and conditions of the Reorganization Agreement. See
"Summary -- Proposed Reorganization," "Information Relating to the Proposed
Reorganization -- Description of the Reorganization Agreement" and Appendix
I -- Agreement and Plan of Reorganization attached hereto.
 
     6.  Capabilities, Practices and Resources of BOIA and the Other Service
Providers. The Trustees considered the capabilities, practices and resources of
BOIA and the other service providers. For further information, see
"Summary -- Overview of Pegasus and One Group" above, and the sections entitled
"Investment Advisers," "Certain Other Service Providers," "Distribution Plan and
Shareholder Servicing Arrangements" under "Comparison of Pegasus and One Group"
below.
 
     7.  Increased Market Presence. The Reorganization is expected to result in
greater market presence for the One Group. If the Reorganization Agreement is
consummated, the One Group would have approximately $50 billion in assets under
management. BOIA believes fund investment opportunities increase as assets
increase.
 
     8.  Enhanced Shareholder Services. OGSC and BOIA provide a higher level of
shareholder servicing for One Group shareholders, including a dedicated
shareholder support function, broker-dealer desk and a transaction oriented
state-of-the-art website. The website allows investors to purchase and exchange
shares of their One Group Funds. The website is directly linked to the BOC
website for convenient use. It contains up-to-date investor tools such as
pricing and account history queries, retirement planning, and investment
profiling tools, and allows on-line prospectus access. Moreover, shareholders of
One Group have access to weekly-recorded economic updates, as well as updates on
the equity and fixed income markets through a state of the art voice response
unit ("VRU").
 
     9.  Expanded Product Offering. Through exchange privileges, current Pegasus
shareholders (other than those shareholders owning shares of an institutional
money market fund) will be able to exchange the One Group shares they receive in
the Reorganization for any of the 49 funds (excluding the 7 institutional money
market funds) which will be offered by One Group to the general public after the
Reorganization. Institutional money market fund shareholders may exchange their
new One Group shares for any of the 7 institutional money market funds offered
by One Group. Investors in One Group will enjoy a wide variety of investment
options and strategies, ranging from various equity styles and state specific
municipal bond funds, to taxable and tax-advantaged bond funds and
funds-of-funds.
 
     10.  Strong Back Office. OGSC provides a strong back office infrastructure
for One Group, including fund administration and fund accounting services. A
wholly-owned subsidiary of BISYS Fund Services, OGSC leverages the extensive
knowledge and experience of BISYS, yet is dedicated to The One Group.
 
     11.  Availability of Class C Shares. Unlike Pegasus, the One Group offers
Class C Shares. Class C shareholders pay a "level load." This means that Class C
shareholders do not pay a front end sales charge and,

                                       19
<PAGE>   23
 
if they hold their shares for more than one year, they do not pay a contingent
deferred sales load. However, shareholders do pay a 12b-1 fees for as long as
they hold the Class C shares.
 
     12.  Benefits to Other Persons, Especially BOIA and Its Affiliates. The
Trustees considered the potential benefits of the Reorganization to other
persons, especially BOIA and its affiliates.
 
     CAPITALIZATION. As proposed, the sixteen Reorganizing Pegasus Portfolios
would be reorganized into the sixteen corresponding Existing One Group Funds.
The following table sets forth as of June 30, 1998, (1) the capitalization of
each of the Reorganizing Pegasus Portfolios, (2) the capitalization of each of
the corresponding Existing One Group Funds, and (3) the pro forma capitalization
of each of the Existing One Group Funds as adjusted to give effect to the
Reorganization of the Reorganizing Pegasus Portfolios. The following table also
sets forth as of June 30, 1998, the capitalization of each of the Continuing
Pegasus Portfolios and the pro forma capitalization of each of the New One Group
Funds. The capitalization of each Reorganizing Pegasus Portfolio and Existing
One Group Fund is likely to be different at the effective time of the
Reorganizing Pegasus Portfolios Transaction as a result of daily share purchase
and redemption activity in the respective Portfolios and Funds, as well as the
effects of the other ongoing operations of the respective Portfolios and Funds
prior to the effective time of the Reorganizing Pegasus Portfolios Transaction.
 
<TABLE>
<CAPTION>
                                            PEGASUS                  ONE GROUP(R) PRIME            PRO FORMA
                                       MONEY MARKET FUND             MONEY MARKET FUND              COMBINED
                                       -----------------             ------------------          --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $2,708,552,219                $3,223,901,238            $5,932,453,457
  Class A Shares.................        $1,167,246,199                $  605,291,334            $1,772,537,533
  Class B Shares.................        $    1,180,010                $    1,912,430            $    3,092,440
  Class I Shares.................        $1,540,126,010                $2,616,697,474            $4,156,823,484
Shares Outstanding...............         2,708,549,425                 3,223,806,869             5,932,356,294
  Class A Shares.................         1,167,243,404                   605,275,293             1,772,518,697
  Class B Shares.................             1,180,010                     1,911,896                 3,091,906
  Class I Shares.................         1,540,126,011                 2,616,619,680             4,156,745,691
Net Asset Value Per Share
  Class A Shares.................                 $1.00                         $1.00                     $1.00
  Class B Shares.................                 $1.00                         $1.00                     $1.00
  Class I Shares.................                 $1.00                         $1.00                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                                                        ONE GROUP(R)
                                        PEGASUS TREASURY          U.S. TREASURY SECURITIES         PRO FORMA
                                       MONEY MARKET FUND             MONEY MARKET FUND              COMBINED
                                       -----------------          ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $1,062,585,850                $3,887,139,739            $4,949,725,589
  Class A Shares.................        $  219,101,494                $  861,349,389            $1,080,450,883
  Class B Shares.................                   N/A                $      181,171            $      181,171
  Class C Shares.................                   N/A                $        1,162            $        1,162
  Class I Shares.................        $  843,484,356                $3,025,608,017            $3,869,092,373
Shares Outstanding...............         1,062,602,578                 3,886,904,029             4,949,506,607
  Class A Shares.................           219,118,222                   861,312,823             1,080,431,045
  Class B Shares.................                   N/A                       181,172                   181,172
  Class C Shares.................                   N/A                         1,162                     1,162
  Class I Shares.................           843,484,356                 3,025,408,872             3,868,893,228
Net Asset Value Per Share
  Class A Shares.................                 $1.00                         $1.00                     $1.00
  Class B Shares.................                   N/A                         $1.00                     $1.00
  Class C Shares.................                   N/A                         $1.00                     $1.00
  Class I Shares.................                 $1.00                         $1.00                     $1.00
</TABLE>
 
                                       20
<PAGE>   24
 
<TABLE>
<CAPTION>
                                       PEGASUS MUNICIPAL           ONE GROUP(R) MUNICIPAL          PRO FORMA
                                       MONEY MARKET FUND             MONEY MARKET FUND              COMBINED
                                       -----------------           ----------------------        --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  764,664,703                $  602,935,643            $1,367,600,346
  Class A Shares.................        $  209,296,247                $  104,808,547            $  314,104,794
  Class I Shares.................        $  555,368,456                $  498,127,096            $1,053,495,552
Shares Outstanding...............           764,720,453                   603,066,850             1,367,787,303
  Class A Shares.................           209,350,372                   104,821,450               314,171,822
  Class I Shares.................           555,370,081                   498,245,400             1,053,615,481
Net Asset Value Per Share
  Class A Shares.................                 $1.00                         $1.00                     $1.00
  Class I Shares.................                 $1.00                         $1.00                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS
                                         MANAGED ASSETS                 ONE GROUP(R)               PRO FORMA
                                       CONSERVATIVE FUND           INVESTOR BALANCED FUND           COMBINED
                                       -----------------           ----------------------        --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  134,985,917                $  203,277,567            $  338,231,988
  Class A Shares.................        $  100,507,996                $   32,604,462            $  133,112,458
  Class B Shares.................        $   22,223,117                    70,462,733            $   92,685,850
  Class C Shares.................                   N/A                $    6,652,937            $    6,652,937
  Class I Shares.................        $   12,254,804                $   93,557,435            $  105,780,743
Shares Outstanding...............             9,147,504                    17,207,740                28,618,891
  Class A Shares.................             6,814,414                     2,755,243                11,251,270
  Class B Shares.................             1,505,363                     5,962,388                 7,842,516
  Class C Shares.................                   N/A                       565,081                   565,081
  Class I Shares.................               827,727                     7,925,028                 8,960,024
Net Asset Value Per Share
  Class A Shares.................                $14.75                        $11.83                    $11.83
  Class B Shares.................                $14.76                        $11.82                    $11.82
  Class C Shares.................                   N/A                        $11.77                    $11.77
  Class I Shares.................                $14.81                        $11.81                    $11.81
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)
                                         MANAGED ASSETS              INVESTOR GROWTH &             PRO FORMA
                                         BALANCED FUND                  INCOME FUND                 COMBINED
                                     ----------------------          -----------------           --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  277,228,675                $  229,830,622            $  507,054,440
  Class A Shares.................        $  169,028,463                $   39,873,760            $  208,902,223
  Class B Shares.................        $   15,874,569                $   85,467,873            $  101,342,442
  Class C Shares.................                   N/A                $    6,428,710            $    6,428,710
  Class I Shares.................        $   92,325,643                $   98,060,279            $  190,381,065
Shares Outstanding...............            23,320,248                    18,219,060                40,139,308
  Class A Shares.................            14,298,714                     3,142,422                16,462,238
  Class B Shares.................             1,198,186                     6,761,003                 8,016,902
  Class C Shares.................                   N/A                       512,841                   512,841
  Class I Shares.................             7,823,748                     7,802,794                15,147,327
Net Asset Value Per Share
  Class A Shares.................                $11.82                        $12.69                    $12.69
  Class B Shares.................                $13.25                        $12.64                    $12.64
  Class C Shares.................                   N/A                        $12.54                    $12.54
  Class I Shares.................                $11.80                        $12.57                    $12.57
</TABLE>
 
                                       21
<PAGE>   25
 
<TABLE>
<CAPTION>
                                            PEGASUS
                                         MANAGED ASSETS                 ONE GROUP(R)               PRO FORMA
                                          GROWTH FUND               INVESTOR GROWTH FUND            COMBINED
                                     ----------------------         --------------------         --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $   21,899,958                $  220,699,449            $  242,599,407
  Class A Shares.................        $    9,404,036                $   55,056,896            $   64,460,932
  Class B Shares.................        $   10,912,932                $   70,514,733            $   81,427,665
  Class C Shares.................                   N/A                $    8,772,688            $    8,772,688
  Class I Shares.................        $    1,582,990                $   86,355,132            $   87,938,122
Shares Outstanding...............             1,847,635                    16,475,898                18,109,765
  Class A Shares.................               787,670                     4,131,090                 4,836,569
  Class B Shares.................               928,030                     5,236,548                 6,046,714
  Class C Shares.................                   N/A                       657,648                   657,648
  Class I Shares.................               131,935                     6,450,612                 6,568,834
Net Asset Value Per Share
  Class A Shares.................                $11.94                        $13.33                    $13.33
  Class B Shares.................                $11.76                        $13.47                    $13.47
  Class C Shares.................                   N/A                        $13.34                    $13.34
  Class I Shares.................                $12.00                        $13.39                    $13.39
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                       EQUITY INCOME FUND            INCOME EQUITY FUND             COMBINED
                                       ------------------            ------------------          --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  328,320,624                $  976,168,311            $1,304,466,364
  Class A Shares.................        $   13,397,091                $  117,682,024            $  131,079,115
  Class B Shares.................        $    3,637,767                $  165,813,214            $  169,450,981
  Class C Shares.................                   N/A                $      795,480            $      795,480
  Class I Shares.................        $  311,285,766                $  691,877,593            $1,003,140,788
Shares Outstanding...............            26,402,536                    40,556,276                54,196,212
  Class A Shares.................             1,074,534                     4,894,497                 5,451,780
  Class B Shares.................               291,641                     6,886,250                 7,037,320
  Class C Shares.................                   N/A                        33,035                    33,035
  Class I Shares.................            25,036,361                    28,742,494                41,674,077
Net Asset Value Per Share
  Class A Shares.................                $12.47                        $24.04                    $24.04
  Class B Shares.................                $12.47                        $24.08                    $24.08
  Class C Shares.................                   N/A                        $24.08                    $24.08
  Class I Shares.................                $12.43                        $24.07                    $24.07
</TABLE>
 
<TABLE>
<CAPTION>
                                                                        ONE GROUP(R)
                                            PEGASUS                    LARGE COMPANY               PRO FORMA
                                          GROWTH FUND                   GROWTH FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  847,715,182                $1,990,628,224            $2,838,316,707
  Class A Shares.................        $  109,752,170                $  199,051,299            $  308,803,469
  Class B Shares.................        $    4,353,084                $  280,563,764            $  284,916,848
  Class C Shares.................                   N/A                $      491,859            $      491,859
  Class I Shares.................        $  733,609,928                 1,510,521,302            $2,244,104,531
Shares Outstanding...............            49,937,827                    87,419,506               124,619,585
  Class A Shares.................             6,471,853                     8,533,858                13,240,212
  Class B Shares.................               261,575                    12,341,219                12,532,732
  Class C Shares.................                   N/A                        21,792                    21,792
  Class I Shares.................            43,204,399                    66,522,637                98,824,849
Net Asset Value Per Share
  Class A Shares.................                $16.96                        $23.32                    $23.32
  Class B Shares.................                $16.64                        $22.73                    $22.73
  Class C Shares.................                   N/A                        $22.57                    $22.57
  Class I Shares.................                $16.98                        $22.71                    $22.71
</TABLE>
 
                                       22
<PAGE>   26
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)
                                           INTRINSIC                    DISCIPLINED                PRO FORMA
                                           VALUE FUND                    VALUE FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  683,010,616                $  694,209,090            $1,377,219,706
  Class A Shares.................        $  132,278,364                $   29,442,860            $  161,721,224
  Class B Shares.................        $    5,341,678                $   30,094,907            $   35,436,585
  Class I Shares.................        $  545,390,574                $  634,671,323            $1,180,061,897
Shares Outstanding...............            42,744,414                    41,084,545                81,486,443
  Class A Shares.................             8,254,937                     1,738,826                 9,552,078
  Class B Shares.................               469,782                     1,785,585                 2,102,599
  Class I Shares.................            34,019,695                    37,560,134                69,831,766
Net Asset Value Per Share
  Class A Shares.................                $16.02                        $16.93                    $16.93
  Class B Shares.................                $11.37                        $16.85                    $16.85
  Class I Shares.................                $16.03                        $16.90                    $16.90
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                     GROWTH AND VALUE FUND           VALUE GROWTH FUND              COMBINED
                                     ---------------------           -----------------           --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $1,227,370,787                $  737,575,048            $1,964,945,835
  Class A Shares.................        $  264,449,804                $   80,500,100            $  344,949,904
  Class B Shares.................        $    9,612,670                $   25,501,072            $   35,113,742
  Class C Shares.................                   N/A                $    1,234,273            $    1,234,273
  Class I Shares.................        $  953,308,313                $  630,339,603            $1,583,647,916
Shares Outstanding...............            72,759,641                    54,603,610               145,473,009
  Class A Shares.................            15,604,881                     5,963,678                25,552,552
  Class B Shares.................               938,778                     1,902,425                 2,619,788
  Class C Shares.................                   N/A                        91,611                    91,611
  Class I Shares.................            56,215,982                    46,645,896               117,209,058
Net Asset Value Per Share
  Class A Shares.................                $16.95                        $13.50                    $13.50
  Class B Shares.................                $10.24                        $13.40                    $13.40
  Class C Shares.................                   N/A                        $13.47                    $13.47
  Class I Shares.................                $16.96                        $13.51                    $13.51
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                       EQUITY INDEX FUND             EQUITY INDEX FUND              COMBINED
                                       -----------------             -----------------             ---------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  981,290,293                $1,244,778,050            $2,226,068,343
  Class A Shares.................        $  281,046,761                $  218,517,419            $  499,564,180
  Class B Shares.................        $    2,821,942                $  351,624,116            $  354,446,058
  Class C Shares.................                   N/A                $    3,214,236            $    3,214,236
  Class I Shares.................        $  697,421,590                $  671,422,279            $1,368,843,869
Shares Outstanding...............            39,629,988                    45,844,648                81,978,556
  Class A Shares.................            11,332,956                     8,048,525                18,400,155
  Class B Shares.................               188,271                    12,959,252                13,063,268
  Class C Shares.................                   N/A                       118,427                   118,427
  Class I Shares.................            28,108,761                    24,718,444                50,396,706
Net Asset Value Per Share
  Class A Shares.................                $24.80                        $27.15                    $27.15
  Class B Shares.................                $14.99                        $27.13                    $27.13
  Class C Shares.................                   N/A                        $27.14                    $27.14
  Class I Shares.................                $24.81                        $27.16                    $27.16
</TABLE>
 
                                       23
<PAGE>   27
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)
                                          INTERMEDIATE                  INTERMEDIATE               PRO FORMA
                                           BOND FUND                     BOND FUND                  COMBINED
                                          ------------                  ------------               ---------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  593,679,600                $  746,159,292            $1,339,838,892
  Class A Shares.................        $   86,340,805                $   44,566,620            $  130,907,425
  Class B Shares.................        $      728,387                $   19,924,343            $   20,652,730
  Class C Shares.................                   N/A                $      868,686            $      868,686
  Class I Shares.................        $  506,610,408                $  680,799,643            $1,187,410,051
Shares Outstanding...............            56,515,680                    73,742,862               127,533,898
  Class A Shares.................             8,222,132                     4,392,082                12,466,572
  Class B Shares.................                69,980                     1,969,711                 1,983,942
  Class C Shares.................                   N/A                        85,636                    83,447
  Class I Shares.................            48,223,568                    67,295,433               112,999,937
Net Asset Value Per Share
  Class A Shares.................                $10.50                        $10.15                    $10.50
  Class B Shares.................                $10.41                        $10.12                    $10.41
  Class C Shares.................                   N/A                        $10.14                    $10.41
  Class I Shares.................                $10.51                        $10.12                    $10.51
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                        SHORT BOND FUND           LIMITED VOLATILITY FUND           COMBINED
                                        ---------------           -----------------------          ---------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  259,058,041                $  613,102,190            $  872,151,629
  Class A Shares.................        $   14,082,561                $   15,582,402            $   29,664,963
  Class B Shares.................        $      273,648                $    4,851,117            $    5,124,765
  Class I Shares.................        $  244,701,832                $  592,668,671            $  837,361,901
Shares Outstanding...............            25,534,348                    58,347,823                82,996,852
  Class A Shares.................             1,387,147                     1,484,029                 2,825,225
  Class B Shares.................                27,205                       458,824                   484,713
  Class I Shares.................            24,119,996                    56,404,970                79,686,914
Net Asset Value Per Share
  Class A Shares.................                $10.15                        $10.50                    $10.50
  Class B Shares.................                $10.06                        $10.57                    $10.57
  Class I Shares.................                $10.15                        $10.51                    $10.51
</TABLE>
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                     MULTI-SECTOR BOND FUND           INCOME BOND FUND              COMBINED
                                     ----------------------           ----------------           --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  131,260,895                $  928,511,932            $1,059,757,735
  Class A Shares.................        $   12,159,376                $   14,737,824            $   26,897,200
  Class B Shares.................        $      603,757                $   15,511,055            $   16,114,812
  Class I Shares.................        $  118,497,762                $  898,263,053            $1,016,745,723
Shares Outstanding...............            16,221,028                    97,587,753               130,984,875
  Class A Shares.................             1,503,596                     1,549,876                 3,325,329
  Class B Shares.................                74,393                     1,617,401                 1,984,621
  Class I Shares.................            14,643,039                    94,420,476               125,674,925
Net Asset Value Per Share
  Class A Shares.................                 $8.09                         $9.51                     $8.09
  Class B Shares.................                 $8.12                         $9.59                     $8.12
  Class I Shares.................                 $8.09                         $9.51                     $8.09
</TABLE>
 
                                       24
<PAGE>   28
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)               PRO FORMA
                                      HIGH YIELD BOND FUND         HIGH YIELD BOND FUND*            COMBINED
                                      --------------------         ---------------------         --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $   68,442,132                           N/A            $   68,442,132
  Class A Shares.................        $    1,574,353                           N/A            $    1,574,353
  Class B Shares.................        $      234,824                           N/A            $      234,824
  Class I Shares.................        $   66,632,955                           N/A            $   66,632,955
Shares Outstanding...............             6,642,830                           N/A                 6,642,830
  Class A Shares.................               153,979                           N/A                   153,979
  Class B Shares.................                22,931                           N/A                    22,931
  Class I Shares.................             6,465,920                           N/A                 6,465,920
Net Asset Value Per Share
  Class A Shares.................                $10.22                           N/A                    $10.22
  Class B Shares.................                $10.24                           N/A                    $10.24
  Class I Shares.................                $10.31                           N/A                    $10.31
</TABLE>
 
- ---------------
 
* The One Group High Yield Bond Fund commenced investment operations on November
  12, 1998.
 
<TABLE>
<CAPTION>
                                            PEGASUS                     ONE GROUP(R)
                                     INTERMEDIATE MUNICIPAL        INTERMEDIATE TAX-FREE           PRO FORMA
                                           BOND FUND                     BOND FUND                  COMBINED
                                     ----------------------        ---------------------         --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  454,779,406                $  513,859,726            $  968,622,640
  Class A Shares.................        $   20,176,884                $   14,515,087            $   34,691,971
  Class B Shares.................        $      800,830                $    5,658,736            $    6,459,566
  Class I Shares.................        $  433,801,692                $  493,685,903            $  927,471,103
Shares Outstanding...............            36,966,397                    46,100,591                86,888,062
  Class A Shares.................             1,640,534                     1,303,116                 3,114,326
  Class B Shares.................                65,162                       507,110                   578,869
  Class I Shares.................        $   35,260,701                    44,290,365                83,194,867
Net Asset Value Per Share
  Class A Shares.................                $12.30                        $11.14                    $11.14
  Class B Shares.................                $12.29                        $11.16                    $11.16
  Class I Shares.................                $12.30                        $11.15                    $11.15
</TABLE>
 
<TABLE>
<CAPTION>
                                        PEGASUS MICHIGAN           ONE GROUP(R) MICHIGAN
                                        MUNICIPAL MONEY               MUNICIPAL MONEY              PRO FORMA
                                          MARKET FUND                   MARKET FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  107,749,167                           N/A            $  107,749,167
  Class A Shares.................        $   37,229,831                           N/A            $   37,229,831
  Class I Shares.................        $   70,519,336                           N/A            $   70,519,336
Shares Outstanding...............           107,750,154                           N/A               107,750,154
  Class A Shares.................            37,230,395                           N/A                37,230,395
  Class I Shares.................            70,519,759                           N/A                70,519,759
Net Assets Value Per Share
  Class A Shares.................                 $1.00                           N/A                     $1.00
  Class I Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
                                       25
<PAGE>   29
 
<TABLE>
<CAPTION>
                                                                     ONE GROUP(R) CASH
                                          PEGASUS CASH                MANAGEMENT MONEY             PRO FORMA
                                        MANAGEMENT FUND                 MARKET FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $2,117,354,253                           N/A            $2,117,354,253
  Class I Shares.................        $  928,341,028                           N/A            $  928,341,028
  Class S Shares.................        $1,189,013,225                           N/A            $1,189,013,225
Shares Outstanding...............         2,117,556,151                           N/A             2,117,556,151
  Class I Shares.................           928,500,029                           N/A               928,500,029
  Class S Shares.................         1,189,056,122                           N/A             1,189,056,122
Net Assets Value Per Share
  Class I Shares.................                 $1.00                           N/A                     $1.00
  Class S Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                        PEGASUS TREASURY           ONE GROUP(R) TREASURY
                                        CASH MANAGEMENT               CASH MANAGEMENT              PRO FORMA
                                              FUND                   MONEY MARKET FUND              COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  309,992,426                           N/A            $  309,992,426
  Class I Shares.................        $   22,868,856                           N/A            $   22,868,856
  Class S Shares.................        $  287,123,570                           N/A            $  287,123,570
Shares Outstanding...............           309,992,426                           N/A               309,992,426
  Class I Shares.................            22,868,856                           N/A                22,868,856
  Class S Shares.................           287,123,570                           N/A               287,123,570
Net Assets Value Per Share
  Class I Shares.................                 $1.00                           N/A                     $1.00
  Class S Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                                                   ONE GROUP(R) TREASURY
                                        PEGASUS TREASURY                 PRIME CASH
                                           PRIME CASH                    MANAGEMENT                PRO FORMA
                                        MANAGEMENT FUND              MONEY MARKET FUND              COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  443,090,087                           N/A            $  443,090,087
  Class I Shares.................        $   92,324,603                           N/A            $   92,324,603
  Class S Shares.................        $  350,765,484                           N/A            $  350,765,484
Shares Outstanding...............           443,080,975                           N/A               443,080,975
  Class I Shares.................            92,323,956                           N/A                92,323,956
  Class S Shares.................           350,757,019                           N/A               350,757,019
Net Assets Value Per Share
  Class I Shares.................                 $1.00                           N/A                     $1.00
  Class S Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                                                     ONE GROUP(R) U.S.
                                          PEGASUS U.S.                   GOVERNMENT
                                           GOVERNMENT                 SECURITIES CASH
                                        SECURITIES CASH                  MANAGEMENT                PRO FORMA
                                        MANAGEMENT FUND              MONEY MARKET FUND              COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $1,257,778,347                           N/A            $1,257,778,347
  Class I Shares.................        $  810,685,995                           N/A            $  810,685,995
  Class S Shares.................        $  447,092,352                           N/A            $  447,092,352
Shares Outstanding...............         1,258,285,310                           N/A             1,258,285,310
  Class I Shares.................           811,092,142                           N/A               811,092,142
  Class S Shares.................           447,193,168                           N/A               447,193,168
Net Assets Value Per Share
  Class I Shares.................                 $1.00                           N/A                     $1.00
  Class S Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
                                       26
<PAGE>   30
 
<TABLE>
<CAPTION>
                                       PEGASUS MUNICIPAL           ONE GROUP(R) MUNICIPAL
                                        CASH MANAGEMENT               CASH MANAGEMENT              PRO FORMA
                                              FUND                   MONEY MARKET FUND              COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  420,500,355                           N/A            $  420,500,355
  Class I Shares.................        $  352,314,800                           N/A            $  352,314,800
  Class S Shares.................        $   68,185,555                           N/A            $   68,185,555
Shares Outstanding...............           420,500,355                           N/A               420,500,355
  Class I Shares.................           352,314,800                           N/A               352,314,800
  Class S Shares.................            68,185,555                           N/A                68,185,555
Net Assets Value Per Share
  Class I Shares.................                 $1.00                           N/A                     $1.00
  Class S Shares.................                 $1.00                           N/A                     $1.00
</TABLE>
 
<TABLE>
<CAPTION>
                                     PEGASUS INTERNATIONAL        ONE GROUP(R) DIVERSIFIED         PRO FORMA
                                          EQUITY FUND                INTERNATIONAL FUND             COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  599,026,639                           N/A            $  599,026,639
  Class A Shares.................        $   43,279,818                           N/A            $   43,279,818
  Class B Shares.................        $    2,455,836                           N/A            $    2,455,836
  Class I Shares.................        $  553,870,240                           N/A            $  553,870,240
Shares Outstanding...............            43,832,810                           N/A                43,832,810
  Class A Shares.................             3,173,445                           N/A                 3,173,445
  Class B Shares.................               191,940                           N/A                   191,940
  Class I Shares.................            40,467,425                           N/A                40,467,425
Net Assets Value Per Share
  Class A Shares.................                $13.64                           N/A                    $13.64
  Class B Shares.................                $12.79                           N/A                    $12.79
  Class I Shares.................                $13.67                           N/A                    $13.67
</TABLE>
 
<TABLE>
<CAPTION>
                                          PEGASUS BOND                  ONE GROUP(R)               PRO FORMA
                                              FUND                       BOND FUND                  COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $1,448,676,385                           N/A            $1,448,676,385
  Class A Shares.................        $  238,038,439                           N/A            $  238,038,439
  Class B Shares.................        $    6,097,242                           N/A            $    6,097,242
  Class I Shares.................        $1,204,540,704                           N/A            $1,204,540,704
Shares Outstanding...............           135,765,947                           N/A               135,765,947
  Class A Shares.................            22,312,932                           N/A                22,312,932
  Class B Shares.................               571,538                           N/A                   571,538
  Class I Shares.................           112,881,477                           N/A               112,881,477
Net Assets Value Per Share
  Class A Shares.................                $10.67                           N/A                    $10.67
  Class B Shares.................                $10.67                           N/A                    $10.67
  Class I Shares.................                $10.67                           N/A                    $10.67
</TABLE>
 
                                       27
<PAGE>   31
 
<TABLE>
<CAPTION>
                                       PEGASUS MUNICIPAL           ONE GROUP(R) TAX FREE           PRO FORMA
                                           BOND FUND                     BOND FUND                  COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  444,879,451                           N/A            $  444,879,451
  Class A Shares.................        $   40,156,768                           N/A            $   40,156,768
  Class B Shares.................        $    1,757,634                           N/A            $    1,757,634
  Class I Shares.................        $  402,965,049                           N/A            $  402,965,049
Shares Outstanding...............            34,631,030                           N/A                34,631,030
  Class A Shares.................             3,124,215                           N/A                 3,124,215
  Class B Shares.................               136,862                           N/A                   136,862
  Class I Shares.................            31,369,953                           N/A                31,369,953
Net Assets Value Per Share
  Class A Shares.................                $12.85                           N/A                    $12.85
  Class B Shares.................                $12.84                           N/A                    $12.84
  Class I Shares.................                $12.85                           N/A                    $12.85
</TABLE>
 
<TABLE>
<CAPTION>
                                         PEGASUS SHORT               ONE GROUP(R) SHORT
                                           MUNICIPAL                        TERM                   PRO FORMA
                                           BOND FUND                MUNICIPAL BOND FUND             COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $   10,696,373                           N/A            $   10,696,373
  Class A Shares.................        $       72,967                           N/A            $       72,967
  Class B Shares.................        $          100                           N/A            $          100
  Class I Shares.................        $   10,623,306                           N/A            $   10,623,306
Shares Outstanding...............             1,060,460                           N/A                 1,060,460
  Class A Shares.................                 7,245                           N/A                     7,245
  Class B Shares.................                    10                           N/A                        10
  Class I Shares.................             1,053,205                           N/A                 1,053,205
Net Assets Value Per Share
  Class A Shares.................                $10.07                           N/A                    $10.07
  Class B Shares.................                $10.00                           N/A                    $10.00
  Class I Shares.................                $10.09                           N/A                    $10.09
</TABLE>
 
<TABLE>
<CAPTION>
                                        PEGASUS MICHIGAN           ONE GROUP(R) MICHIGAN           PRO FORMA
                                      MUNICIPAL BOND FUND           MUNICIPAL BOND FUND             COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  100,063,233                           N/A            $  100,063,233
  Class A Shares.................        $   18,692,737                           N/A            $   18,692,737
  Class B Shares.................        $    1,436,391                           N/A            $    1,436,391
  Class I Shares.................        $   79,934,105                           N/A            $   79,934,105
Shares Outstanding...............             9,140,591                           N/A                 9,140,591
  Class A Shares.................             1,706,520                           N/A                 1,706,520
  Class B Shares.................               135,407                           N/A                   135,407
  Class I Shares.................             7,298,664                           N/A                 7,298,664
Net Assets Value Per Share
  Class A Shares.................                $10.95                           N/A                    $10.95
  Class B Shares.................                $10.61                           N/A                    $10.61
  Class I Shares.................                $10.95                           N/A                    $10.95
</TABLE>
 
                                       28
<PAGE>   32
 
<TABLE>
<CAPTION>
                                        PEGASUS MID-CAP           ONE GROUP(R) DIVERSIFIED         PRO FORMA
                                        OPPORTUNITY FUND                MID CAP FUND                COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $1,145,956,419                           N/A            $1,145,956,419
  Class A Shares.................        $  296,264,467                           N/A            $  296,264,467
  Class B Shares.................        $    6,632,015                           N/A            $    6,632,015
  Class I Shares.................        $  843,059,937                           N/A            $  843,059,937
Shares Outstanding...............            54,537,323                           N/A                54,537,323
  Class A Shares.................            14,048,016                           N/A                14,048,016
  Class B Shares.................               662,182                           N/A                   662,182
  Class I Shares.................            39,827,125                           N/A                39,827,125
Net Assets Value Per Share
  Class A Shares.................                $21.09                           N/A                    $21.09
  Class B Shares.................                $10.02                           N/A                    $10.02
  Class I Shares.................                $21.17                           N/A                    $21.17
</TABLE>
 
<TABLE>
<CAPTION>
                                       PEGASUS SMALL-CAP           ONE GROUP(R) SMALL CAP          PRO FORMA
                                        OPPORTUNITY FUND                 VALUE FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $  327,614,361                           N/A            $  327,614,361
  Class A Shares.................        $   33,523,431                           N/A            $   33,523,431
  Class B Shares.................        $    3,843,342                           N/A            $    3,843,342
  Class I Shares.................        $  290,247,588                           N/A            $  290,247,588
Shares Outstanding...............            19,409,424                           N/A                19,409,424
  Class A Shares.................             2,008,892                           N/A                 2,008,892
  Class B Shares.................               235,473                           N/A                   235,473
  Class I Shares.................            17,165,059                           N/A                17,165,059
Net Assets Value Per Share
  Class A Shares.................                $16.69                           N/A                    $16.69
  Class B Shares.................                $16.32                           N/A                    $16.32
  Class I Shares.................                $16.91                           N/A                    $16.91
</TABLE>
 
<TABLE>
<CAPTION>
                                         PEGASUS MARKET            ONE GROUP(R) SMALL CAP          PRO FORMA
                                     EXPANSION INDEX FUND*               INDEX FUND                 COMBINED
                                     ----------------------       ------------------------       --------------
<S>                                  <C>                          <C>                            <C>
Total Net Assets.................        $   27,514,159                           N/A            $   27,514,159
  Class A Shares.................        $       30,460                           N/A            $       30,460
  Class B Shares.................        $          219                           N/A            $          219
  Class I Shares.................        $   27,483,480                           N/A            $   27,483,480
Shares Outstanding...............             2,615,460                           N/A                 2,615,460
  Class A Shares.................                 2,894                           N/A                     2,894
  Class B Shares.................                    21                           N/A                        21
  Class I Shares.................             2,612,545                           N/A                 2,612,545
Net Assets Value Per Share
  Class A Shares.................                $10.53                           N/A                    $10.53
  Class B Shares.................                $10.49                           N/A                    $10.49
  Class I Shares.................                $10.52                           N/A                    $10.52
</TABLE>
 
- ---------------
 
* Fund commenced operations on July 29, 1998. Data provided for this fund is as
  of December 31, 1998.
 
     FEDERAL INCOME TAX CONSEQUENCES. With respect to each Pegasus Portfolio
that is not a money market fund, consummation of the Reorganization is subject
to the condition that Pegasus and One Group receive an opinion from Ropes &
Gray, in form reasonably satisfactory to both Pegasus and One Group and dated as
of the Exchange Date, to the effect that for federal income tax purposes: (i) no
gain or loss will be recognized by the Pegasus Portfolio upon transfer of the
assets to the corresponding One Group Fund in exchange for Shares and the
assumption by such One Group Fund of the liabilities of the Pegasus Portfolio;
(ii) no gain or loss will
 
                                       29
<PAGE>   33
 
be recognized by the shareholders of the Pegasus Portfolio upon the exchange of
their shares for Shares; (iii) the basis of the Shares a Pegasus shareholder
receives in connection with the transaction will be the same as the basis of his
or her Pegasus Portfolio shares exchanged therefor; (iv) a Pegasus shareholder's
holding period for his or her Shares will be determined by including the period
for which he or she held the Pegasus Portfolio shares exchanged therefor,
provided that he or she held such Pegasus Portfolio shares as capital assets;
(v) no gain or loss will be recognized by the corresponding One Group Fund upon
the receipt of the assets of the corresponding Pegasus Portfolio in exchange for
Shares and the assumption by the One Group Fund of the liabilities of the
corresponding Pegasus Portfolio; (vi) the basis in the hands of the
corresponding One Group Fund of the assets of the corresponding Pegasus
Portfolio transferred to the One Group Fund in the transaction will be the same
as the basis of the assets in the hands of the corresponding Pegasus Portfolio
immediately prior to the transfer; and (vii) the holding periods of the assets
of the Pegasus Portfolio in the hands of the corresponding One Group Fund will
include the periods for which such assets were held by the Pegasus Portfolio.
Receipt of such an opinion with respect to any Pegasus Portfolio that is a money
market fund is not a condition to the Reorganization. In any event, however, no
material amount of taxable gain or loss will be recognized by any money market
fund or money market fund shareholders by reason of the Reorganization.
 
     Pegasus and One Group have not sought a tax ruling from the Internal
Revenue Service ("IRS"), but are acting in reliance upon the opinion of counsel
discussed in the previous paragraph. That opinion is not binding on the IRS and
does not preclude the IRS from adopting a contrary position. Shareholders should
consult their own advisers concerning the potential tax consequences to them,
including state and local income taxes.
 
     Shareholders should note that each One Group Fund may, to the extent
permitted by law and consistent with the opinion to be issued by Ropes & Gray
discussed above, dispose of some of the securities acquired by it in connection
with the transaction. Disposition of securities may have tax consequences to
shareholders. In addition, immediately prior to the transaction, each Pegasus
Portfolio will declare and distribute a dividend which will have the effect of
distributing to Pegasus shareholders all of the Pegasus Portfolio's investment
company taxable income and net realized capital gains. To the extent that a
Pegasus Portfolio's investments are restructured prior to the Reorganization,
the Pegasus Portfolio may realize a greater amount of net capital gains which
would then need to be distributed to Pegasus shareholders. These distributions
may have tax consequences to Pegasus shareholders. The ability of either entity
to dispose of assets in connection with the Reorganization is limited by federal
tax requirements. For additional information, see "Information Relating to the
Proposed Reorganization -- Federal Income Tax Consequences."
 
BOARD COMPOSITION
 
     Listed below are the current members of the Board of Trustees of One Group.
Following the Reorganization, three members of the current Board of Trustees of
Pegasus will be invited to join the One Group Board of Trustees. One Group will
hold a shareholders meeting to elect these new Trustees. Pegasus will pay a
retirement benefit of $60,000 to each of its Trustees who does not become a One
Group Trustee, in recognition of the Trustee's services to Pegasus. These
amounts, together with certain other expenses of the Reorganization, will be
reimbursed by BOIA or an affiliate.
 
                                       30
<PAGE>   34
 
<TABLE>
<CAPTION>
                                   POSITION(S) HELD             PRINCIPAL OCCUPATION
    NAME AND ADDRESS        AGE     WITH THE TRUST             DURING THE PAST 5 YEARS
    ----------------        ---    ----------------            -----------------------
<S>                         <C>    <C>                 <C>
Peter C. Marshall           56         Trustee         From November, 1993 to present,
DCI Marketing, Inc.                                    President, DCI Marketing, Inc.; from
2727 W. Good Hope Road                                 August, 1992 to November, 1993, Vice
Milwaukee, WI 53209                                    President-Finance and Treasurer DCI
                                                       Marketing, Inc.
Charles I. Post             70         Trustee         From July, 1986 to present, consultant
7615 4th Avenue West
Bradenton, FL 34209

Frederick W. Ruebeck        58         Trustee         From June, 1988 to present, Director of
Eli Lilly & Company                                    Investments, Eli Lilly and Company
Lilly Corporate Center
307 East McCarty
Indianapolis, IN 46285

Robert A. Oden, Jr.         51         Trustee         From 1995 to present, President, Kenyon
Office of the President                                College; from 1989 to 1995, Headmaster,
Ransom Hall                                            The Hotchkiss School
Kenyon College
Gambier, OH 43022

John F. Finn                51         Trustee         From 1975 to present, President of
President                                              Gardner, Inc.
Gardner, Inc.
1150 Chesapeake Avenue
Columbus, Ohio 43212
</TABLE>
 
                                       31
<PAGE>   35
 
                      COMPARISON OF PEGASUS AND ONE GROUP
 
     INVESTMENT OBJECTIVES AND POLICIES. The investment objectives, policies and
restrictions of the Pegasus Portfolios are, in general, similar to those of
their corresponding One Group Funds. There are, however, certain differences.
For example, the percentage of assets allocated to the various Underlying Funds
varies for the three Pegasus Managed Assets Funds and the three One Group
Investor Funds; and the Intermediate Municipal Bond Fund and the International
Equity Fund of Pegasus are "non-diversified" funds, but the corresponding One
Group Funds are diversified. Diversification reduces the risk that a fund's
investments will be affected by a single issuer.
 
     The Bond Funds have certain differences. The Pegasus Multi Sector Bond Fund
may invest in investment grade debt securities only, but the corresponding One
Group(R) Income Bond Fund may invest up to 30% of its assets in securities rated
below investment grade (also known as junk bonds). Investments in securities
rated below investment grade are high risk investments subject to greater risk
of loss, valuation difficulties, interest rate sensitivity, low liquidity and
changes in credit quality. The One Group(R) Limited Volatility Bond Fund must
invest 80% of its total assets in debt securities with short to intermediate
maturities, while the Pegasus Short Bond Fund has no such limitation. The
average weighted maturities of the investments of the Pegasus Short Bond,
Intermediate Bond, Multi Sector Bond, Bond and High Yield Bond Funds differ from
those of their corresponding One Group(R) Limited Volatility, Intermediate Bond,
Income Bond and High Yield Bond Funds. Generally, these Pegasus Funds have
shorter average weighted maturities. This is significant because a longer
average weighted maturity will cause greater fluctuations in the value of a
fund.
 
     The Equity Funds have differences as well. The Pegasus Small-Cap
Opportunity Fund primarily invests in companies with market capitalization of
$100 million to $1 billion while The One Group(R) Small Cap Value Fund invests
in companies with a market capitalization of $100 million to $2 billion. The
Pegasus Mid-Cap Opportunity Fund invests primarily in equity securities of
companies with a market capitalization of $500 million to $3 billion. The One
Group(R) Diversified Mid-Cap Fund invests primarily in equity securities of
companies with a market capitalization of $500 million to $5 billion.
 
     For additional information, see "Overview of Pegasus and One Group" and
"Principal Risk Factors" under "Summary" above and Appendix III -- Comparison of
Investment Objectives and Certain Significant Policies attached to this Combined
Prospectus and Proxy Statement. Further information on the investment
objectives, policies and restrictions of the One Group Funds and the Pegasus
Portfolios is also included in their respective Prospectuses and Statements of
Additional Information, which have been incorporated herein by reference.
 
     EXPENSE RATIOS. The following table shows (1) the current total expense
ratios of the Pegasus Portfolios, before and after fee waivers and/or expense
reimbursements, based on information contained in the Pegasus Prospectuses dated
April 30, 1998, (2) the current total expense ratios of the corresponding
Existing One Group Funds, before and after fee waivers and/or expense
reimbursements, based on information contained in the One Group Prospectuses
dated November 1, 1998, and (3) the pro forma annualized total expense ratios of
the combined funds, based upon the fee arrangements, before and after fee
waivers and/or expense reimbursements, that will be in place upon consummation
of the Reorganization. BOIA has agreed to limit the total operating expense
ratios of the Existing One Group Funds following the Reorganization as set forth
under the column "Pro Forma Total Operating Expenses" in the following Table
until at least August 1999. With respect to the New One Group Funds, BOIA has
agreed to waive a portion of its investment advisory fee until at least March
2000 so that the rate of total operating expenses actually paid will at least
equal the rate currently paid for total operating expense by the corresponding
Continuing Pegasus Portfolios. Detailed pro forma expense information for each
proposed reorganization is included in Appendix II -- Comparative Fee Tables to
this Combined Prospectus/Proxy Statement.
 
                                       32
<PAGE>   36
 
<TABLE>
<CAPTION>
 
                              TOTAL                                          TOTAL
                            OPERATING                                      OPERATING
                            EXPENSES             CORRESPONDING             EXPENSES                COMBINED
     PEGASUS FUND         BEFORE/AFTER        ONE GROUP FUND SHARE       BEFORE/AFTER          FUND SHARE CLASS
      SHARE CLASS            WAIVERS                 CLASS                  WAIVERS          POST-REORGANIZATION
- -----------------------  ---------------  ----------------------------  ---------------  ----------------------------
<S>                      <C>              <C>                           <C>              <C>
Pegasus Money Market                      One Group(R) Prime Money                       One Group(R) Prime Money
Fund                                      Market Fund                                    Market Fund
  Class A Shares           0.77%/0.75%      Class A Shares                 0.77%/0.77%     Class A Shares
  Class B Shares           1.52%/1.50%      Class B Shares                 1.52%/1.52%     Class B Shares
  Class I Shares           0.52%/0.50%      Class I Shares                 0.52%/0.52%     Class I Shares
Pegasus Treasury Money                    One Group(R) U.S. Treasury                     One Group(R) U.S. Treasury
Market Fund                               Securities Money Market Fund                   Securities Money Market Fund
  Class A Shares           0.73%/0.73%      Class A Shares                 0.77%/0.77%     Class A Shares
  Class B Shares               N/A          Class B Shares                 1.52%/1.52%     Class B Shares
  Class I Shares           0.48%/0.48%      Class I Shares                 0.52%/0.52%     Class I Shares
Pegasus Municipal Money                   One Group(R) Municipal                         One Group(R) Municipal
Market Fund                               Money Market Fund                              Money Market Fund
  Class A Shares           0.73%/0.73%      Class A Shares                 0.80%/0.72%     Class A Shares
  Class B Shares               N/A          Class B Shares                     N/A         Class B Shares
  Class I Shares           0.48%/0.48%      Class I Shares                 0.55%/0.47%     Class I Shares
Pegasus Michigan                            One Group(R) Michigan                          One Group(R) Michigan
Municipal Money Market                    Municipal Money Market Fund                    Municipal Money Market Fund
Fund
  Class A Shares           0.76%/0.75%      Class A Shares                 0.84%/0.74%     Class A Shares
  Class B Shares               N/A          Class B Shares                     N/A         Class B Shares
  Class I Shares           0.51%/0.50%      Class I Shares                 0.59%/0.49%     Class I Shares
Pegasus Cash Management                   One Group(R) Cash Management                   One Group(R) Cash Management
Fund                                      Money Market Fund                              Money Market Fund
  Class I Shares           0.39%/0.35%      Class I Shares                 0.39%/0.34%     Class I Shares
  Class S Shares           0.64%/0.60%      Class A Shares                 0.64%/0.59%     Class A Shares
Pegasus Treasury Cash                     One Group(R) Treasury Cash                     One Group(R) Treasury Cash
Management Fund                           Management Money Market Fund                   Management Money Market Fund
  Class I Shares           0.38%/0.35%      Class I Shares                 0.38%/0.34%     Class I Shares
  Class S Shares           0.63%/0.60%      Class A Shares                 0.63%/0.59%     Class A Shares
Pegasus Treasury Prime                    One Group(R) Treasury Prime                    One Group(R) Treasury Prime
Cash Management Fund                      Cash Management Money Market                   Cash Management Money Market
                                          Fund                                           Fund
  Class I Shares           0.40%/0.35%      Class I Shares                 0.40%/0.34%     Class I Shares
  Class S Shares           0.65%/0.60%      Class A Shares                 0.65%/0.59%     Class A Shares
Pegasus U.S. Government                   One Group(R) U.S. Government                   One Group(R) U.S. Government
Securities Cash                           Securities Cash Management                     Securities Cash Management
Management Fund                           Money Market Fund                              Money Market Fund
  Class I Shares           0.37%/0.35%      Class I Shares                 0.38%/0.35%     Class I Shares
  Class S Shares           0.62%/0.60%      Class A Shares                 0.63%/0.60%     Class A Shares
Pegasus Municipal Cash                    One Group(R) Municipal Cash                    One Group(R) Municipal Cash
Management Fund                           Management Money Market Fund                   Management Money
                                                                                         Market Fund
  Class I Shares           0.38%/0.35%      Class I Shares                 0.38%/0.34%     Class I Shares
  Class S Shares           0.63%/0.60%      Class A Shares                 0.63%/0.59%     Class A Shares
Pegasus Managed Assets                    One Group(R) Investor                          One Group(R) Investor
Conservative Fund                         Balanced Fund                                  Balanced Fund
  Class A Shares           1.38%/1.25%      Class A Shares                 1.43%/1.23%     Class A Shares
  Class B Shares           2.13%/2.00%      Class B Shares                 2.08%/1.98%     Class B Shares
  Class I Shares           1.13%/1.00%      Class I Shares                 1.08%/0.98%     Class I Shares

<CAPTION>
   PRO FORMA
     TOTAL
   OPERATING
   EXPENSES
 BEFORE/AFTER
    WAIVERS
- ---------------
<S><C>


  0.82%/0.77%
  1.57%/1.52%
  0.57%/0.52%


  0.78%/0.75%
  1.53%/1.50%
  0.53%/0.50%


  0.82%/0.70%
      N/A
  0.57%/0.45%



  0.84%/0.74%
      N/A
  0.59%/0.49%


  0.39%/0.34%
  0.64%/0.59%


  0.38%/0.34%
  0.63%/0.59%



  0.40%/0.34%
  0.65%/0.59%



  0.38%/0.35%
  0.63%/0.60%



  0.38%/0.34%
  0.63%/0.59%


  1.43%/1.22%
  2.08%/1.97%
  1.08%/0.97%
</TABLE>
 
                                       33
<PAGE>   37
<TABLE>
<CAPTION>
 
                              TOTAL                                          TOTAL
                            OPERATING                                      OPERATING
                            EXPENSES             CORRESPONDING             EXPENSES                COMBINED
     PEGASUS FUND         BEFORE/AFTER        ONE GROUP FUND SHARE       BEFORE/AFTER          FUND SHARE CLASS
      SHARE CLASS            WAIVERS                 CLASS                  WAIVERS          POST-REORGANIZATION
- -----------------------  ---------------  ----------------------------  ---------------  ----------------------------
<S>                      <C>              <C>                             <C>            <C>
Pegasus Managed Assets                    One Group(R) Investor Growth                   One Group(R) Investor Growth
Balanced Fund                             & Income Fund                                  & Income Fund
  Class A Shares           1.38%/1.25%      Class A Shares                1.46%/1.28%      Class A Shares
  Class B Shares           2.13%/2.00%      Class B Shares                2.11%/2.03%      Class B Shares
  Class I Shares           1.13%/1.00%      Class I Shares                1.11%/1.03%      Class I Shares
Pegasus Managed Assets                    One Group(R) Investor Growth                   One Group(R) Investor Growth
Growth Fund                               Fund                                           Fund
  Class A Shares           1.67%/1.25%      Class A Shares                1.47%/1.30%      Class A Shares
  Class B Shares           2.42%/2.00%      Class B Shares                2.12%/2.05%      Class B Shares
  Class I Shares           1.42%/1.00%      Class I Shares                1.12%/1.05%      Class I Shares
Pegasus Equity Income                     One Group(R) Income Equity                     One Group(R) Equity Income
Fund                                      Fund                                           Fund
  Class A Shares           0.95%/0.95%      Class A Shares                1.35%/1.25%      Class A Shares
  Class B Shares           1.70%/1.70%      Class B Shares                2.00%/2.00%      Class B Shares
  Class I Shares           0.70%/0.70%      Class I Shares                1.00%/1.00%      Class I Shares
Pegasus Growth Fund                       One Group(R) Large Company                     One Group(R) Large Cap
                                          Growth Fund                                    Growth Fund
  Class A Shares           1.07%/1.07%      Class A Shares                1.35%/1.25%      Class A Shares
  Class B Shares           1.82%/1.82%      Class B Shares                2.00%/2.00%      Class B Shares
  Class I Shares           0.82%/0.82%      Class I Shares                1.00%/1.00%      Class I Shares
Pegasus Mid-Cap                           One Group(R) Diversified                       One Group(R) Diversified
Opportunity Fund                          MidCap Fund                                    MidCap Fund
  Class A Shares           1.14%/1.14%      Class A Shares                1.36%/1.11%      Class A Shares
  Class B Shares           1.89%/1.89%      Class B Shares                2.01%/1.86%      Class B Shares
  Class I Shares           0.89%/0.89%      Class I Shares                1.01%/0.86%      Class I Shares
Pegasus Small-Cap                         One Group(R) Small Cap Value                   One Group(R) Small Cap Value
Opportunity Fund                          Fund                                           Fund
  Class A Shares           1.19%/1.19%      Class A Shares                1.31%/1.16%      Class A Shares
  Class B Shares           1.94%/1.94%      Class B Shares                1.96%/1.91%      Class B Shares
  Class I Shares           0.94%/0.94%      Class I Shares                0.96%/0.91%      Class I Shares
Pegasus Intrinsic Value                   One Group(R) Disciplined                       One Group(R) Mid Cap Value
Fund                                      Value Fund                                     Fund
  Class A Shares           1.09%/1.09%      Class A Shares                1.35%/1.25%      Class A Shares
  Class B Shares           1.84%/1.84%      Class B Shares                2.00%/2.00%      Class B Shares
  Class I Shares           0.84%/0.84%      Class I Shares                1.00%/1.00%      Class I Shares
Pegasus Growth and                        One Group(R) Value Growth                      One Group(R) Diversified
Value Fund                                Fund                                           Equity Fund
  Class A Shares           1.11%/1.11%      Class A Shares                1.35%/1.25%      Class A Shares
  Class B Shares           1.86%/1.86%      Class B Shares                2.00%/2.00%      Class B Shares
  Class I Shares           0.86%/0.86%      Class I Shares                1.00%/1.00%      Class I Shares
Pegasus Equity Index                      One Group(R) Equity Index                      One Group(R) Equity Index
Fund                                      Fund                                           Fund
  Class A Shares           0.65%/0.65%      Class A Shares                0.90%/0.75%      Class A Shares
  Class B Shares           1.40%/1.40%      Class B Shares                1.55%/1.50%      Class B Shares
  Class I Shares           0.40%/0.40%      Class I Shares                0.55%/0.50%      Class I Shares
Pegasus Market                            One Group(R) Market                            One Group(R) Market
Expansion Index Fund*                     Expansion Index Fund                           Expansion Index Fund
  Class A Shares           1.17%/0.82%      Class A Shares                1.22%/0.82%      Class A Shares
  Class B Shares           1.92%/1.57%      Class B Shares                1.87%/1.57%      Class B Shares
  Class I Shares           0.92%/0.57%      Class I Shares                0.87%/0.57%      Class I Shares
Pegasus International                     One Group(R) Diversified                       One Group(R) Diversified
Equity Fund                               International Fund                             International Fund
  Class A Shares           1.44%/1.32%      Class A Shares                1.38%/1.27%      Class A Shares
  Class B Shares           2.19%/2.07%      Class B Shares                2.03%/2.02%      Class B Shares
  Class I Shares           1.19%/1.07%      Class I Shares                1.03%/1.02%      Class I Shares

<CAPTION>
   PRO FORMA
     TOTAL
   OPERATING
   EXPENSES
 BEFORE/AFTER
    WAIVERS
- ---------------
<S><C>


  1.45%/1.26%
  2.10%/2.03%
  1.10%/1.03%


  1.46%/1.28%
  2.11%/2.03%
  1.11%/1.03%


  1.31%/1.05%
  1.96%/1.80%
  0.96%/0.80%


  1.27%/1.17%
  1.92%/1.92%
  0.92%/0.92%


  1.36%/1.11%
  2.01%/1.86%
  1.01%/0.86%


  1.31%/1.16%
  1.96%/1.91%
  0.96%/0.91%


  1.29%/1.19%
  1.94%/1.94%
  0.94%/0.94%


  1.31%/1.21%
  1.96%/1.96%
  0.96%/0.96%


  0.93%/0.61%
  1.58%/1.36%
  0.58%/0.36%


  1.22%/0.82%
  1.87%/1.57%
  0.87%/0.57%


  1.38%/1.27%
  2.03%/2.02%
  1.03%/1.02%
</TABLE>
 
                                       34
<PAGE>   38
 
<TABLE>
<CAPTION>
 
                              TOTAL                                          TOTAL
                            OPERATING                                      OPERATING
                            EXPENSES             CORRESPONDING             EXPENSES                COMBINED
     PEGASUS FUND         BEFORE/AFTER        ONE GROUP FUND SHARE       BEFORE/AFTER          FUND SHARE CLASS
      SHARE CLASS            WAIVERS                 CLASS                  WAIVERS          POST-REORGANIZATION
- -----------------------  ---------------  ----------------------------  ---------------  ----------------------------
<S>                      <C>              <C>                           <C>              <C>
Pegasus Intermediate                      One Group(R) Intermediate                      One Group(R) Intermediate
Bond Fund                                 Bond Fund                                      Bond Fund
  Class A Shares           0.90%/0.90%      Class A Shares              1.17%/0.87%        Class A Shares
  Class B Shares           1.65%/1.65%      Class B Shares              1.82%/1.52%        Class B Shares
  Class I Shares           0.65%/0.65%      Class I Shares              0.82%/0.62%        Class I Shares
Pegasus Bond Fund                         One Group(R) Bond Fund                         One Group(R) Bond Fund
  Class A Shares           0.88%/0.88%      Class A Shares              1.16%/0.85%        Class A Shares
  Class B Shares           1.63%/1.63%      Class B Shares              1.81%/1.50%        Class B Shares
  Class I Shares           0.63%/0.63%      Class I Shares              0.81%/0.60%        Class I Shares
Pegasus Short Bond Fund                   One Group(R) Limited                           One Group(R) Short-Term Bond
                                          Volatility Fund                                Fund
  Class A Shares           0.84%/0.84%      Class A Shares              1.17%/0.87%        Class A Shares
  Class B Shares           1.59%/1.59%      Class B Shares              1.82%/1.37%        Class B Shares
  Class I Shares           0.59%/0.59%      Class I Shares              0.82%/0.62%        Class I Shares
Pegasus Multi Sector                      One Group(R) Income Bond                       One Group(R) Income Bond
Bond                                      Fund                                           Fund
  Class A Shares           0.90%/0.90%      Class A Shares              1.17%/0.87%        Class A Shares
  Class B Shares           1.65%/1.65%      Class B Shares              1.82%/1.52%        Class B Shares
  Class I Shares           0.65%/0.65%      Class I Shares              0.82%/0.62%        Class I Shares
Pegasus High Yield Bond                   One Group(R) High Yield Bond                   One Group(R) High Yield Bond
Fund                                      Fund                                           Fund
  Class A Shares           1.24%/1.14%      Class A Shares              1.45%/1.20%        Class A Shares
  Class B Shares           1.99%/1.89%      Class B Shares              2.10%/1.85%        Class B Shares
  Class I Shares           0.99%/0.89%      Class I Shares              1.10%/0.95%        Class I Shares
Pegasus Municipal Bond                    One Group(R) Tax-Free Bond                     One Group(R) Tax-Free Bond
Fund                                      Fund                                           Fund
  Class A Shares           0.88%/0.88%      Class A Shares              1.03%/0.87%        Class A Shares
  Class B Shares           1.63%/1.63%      Class B Shares              1.68%/1.52%        Class B Shares
  Class I Shares           0.63%/0.63%      Class I Shares              0.68%/0.62%        Class I Shares
Pegasus Short Municipal                   One Group(R) Short-Term                        One Group(R) Short-Term
Bond Fund                                 Municipal Bond Fund                            Municipal Bond Fund
  Class A Shares           0.94%/0.87%      Class A Shares              1.24%/0.87%        Class A Shares
  Class B Shares           1.69%/1.62%      Class B Shares              1.89%/1.52%        Class B Shares
  Class I Shares           0.69%/0.62%      Class I Shares              0.89%/0.62%        Class I Shares
Pegasus Intermediate                      One Group(R) Intermediate                      One Group(R) Intermediate
Municipal Bond Fund                       Tax-Free Bond Fund                             Tax-Free Bond Fund
  Class A Shares           0.85%/0.85%      Class A Shares              1.19%/0.91%        Class A Shares
  Class B Shares           1.60%/1.60%      Class B Shares              1.84%/1.56%        Class B Shares
  Class I Shares           0.60%/0.60%      Class I Shares              0.84%/0.66%        Class I Shares
Pegasus Michigan                          One Group(R) Michigan                          One Group(R) Michigan
Municipal Bond Fund                       Municipal Bond Fund                            Municipal Bond Fund
  Class A Shares           0.91%/0.91%      Class A Shares              1.06%/0.90%        Class A Shares
  Class B Shares           1.66%/1.66%      Class B Shares              1.71%/1.55%        Class B Shares
  Class I Shares           0.66%/0.66%      Class I Shares              0.71%/0.65%        Class I Shares
 
<CAPTION>
   PRO FORMA
     TOTAL
   OPERATING
   EXPENSES
 BEFORE/AFTER
    WAIVERS
- ---------------
<S><C>


  1.17%/0.83%
  1.82%/1.48%
  0.82%/0.58%

  1.16%/0.85%
  1.81%/1.50%
  0.81%/0.60%

  1.16%/0.78%
  1.81%/1.28%
  0.81%/0.53%


  1.16%/0.87%
  1.81%/1.52%
  0.81%/0.62%


  1.37%/1.12%
  2.02%/1.77%
  1.02%/0.87%


  1.03%/0.87%
  1.68%/1.52%
  0.68%/0.62%


  1.24%/0.87%
  1.89%/1.52%
  0.89%/0.62%


  1.14%/0.83%
  1.79%/1.48%
  0.79%/0.58%


  1.06%/0.90%
  1.71%/1.55%
  0.71%/0.65%
</TABLE>
 
- ---------------
 
* The Pegasus Market Expansion Index commenced investment operations on August
  1, 1998.
 
                                       35
<PAGE>   39
 
     SHARE CLASSES. The non-money market funds of Pegasus currently offer three
share classes: Class A, Class B, and Institutional Class or Class I (either,
"Class I"). The Pegasus Money Market Fund offers Class A, Class B and Class I
shares, but B shares are only offered through an exchange from a non-money
market fund. The Treasury Money Market, Municipal Money Market and Michigan
Municipal Money Market Funds offer Class A and Class I shares. The Pegasus Cash
Management Funds offer Institutional Class ("Class I") and Service Class ("Class
S") Shares. Class A shares and Class B shares may be purchased through a number
of institutions including FCNIMCO, First National Bank of Chicago ("FNBC"),
American National Bank and Trust Company ("ANB") and their affiliates, including
First NBD Investment Services, Inc., a registered broker-dealer, BISYS which
serves the Trust as its Distributor and certain banks, securities dealers and
other industry professionals such as investment advisers, accountants and estate
planning firms. Class I and Class S shares of the Cash Management Funds are sold
to institutional investors, including banks (such as FNBC, NBD Bank ("NBD"), and
ANB or their affiliates), acting for themselves or in a fiduciary, advisory,
agency, custodial or similar capacity, public agencies and municipalities,
employee benefit plans or other programs, registered investment advisers and
other financial institutions. For more information, see the section entitled
"Description of Classes" in the Pegasus Prospectuses incorporated by reference
into this Combined Prospectus/Proxy Statement.
 
     The One Group Funds currently offer five classes of shares: Class A, Class
B, Class C, Class I and Service Class Shares. Class A, Class B and Class C
shares are offered to the general public. The Institutional Money Market Funds
offer Class I shares only. The One Group Prime and U.S. Treasury Securities
Money Market Funds offer Class A, Class B, Class C, Class I and Service Class
shares. The One Group Ohio Municipal and Michigan Municipal Money Market Funds
offer Class A, Class C, Class I and Service Class shares. Class I shares are
offered to institutional investors, including affiliates of BOC and any bank,
depository institution, insurance company, pension plan or other organization
authorized to act in fiduciary, advisory, agency, custodial or similar
capacities. Service Class shares are offered to entities purchasing such shares
on behalf of investors requiring additional administrative or accounting
services such as sweep processing. For more information, see the section
entitled "How To Do Business With The One Group" in the One Group Prospectuses
incorporated by reference into the Combined Prospectus/Proxy Statement.
 
     INVESTMENT ADVISER -- PEGASUS PORTFOLIOS. FCNIMCO, an indirect subsidiary
of BOC, serves as investment adviser for the Pegasus Portfolios. Federated
serves as sub-adviser to the High Yield Bond Fund subject to the oversight and
supervision of FCNIMCO. Pursuant to the Pegasus investment advisory agreement
and FCNIMCO's sub-advisory agreement with Federated, FCNIMCO and, Federated in
the case of the High Yield Bond Fund, provide the day-to-day management of each
Pegasus Portfolio's investments, subject to the overall authority of the Board
and in conformity with applicable state law and the stated policies of the
Portfolio. FCNIMCO, and Federated in the case of the High Yield Bond Fund, are
responsible for making investment decisions for each Pegasus Portfolio, placing
purchase and sale orders and providing research, statistical analysis and
continuous supervision of each Portfolio's investments.
 
     FCNIMCO located at Three First National Plaza, Chicago Illinois 60670, is a
registered investment adviser.
 
     Federated, located at Federated Investors Tower, Pittsburgh, Pennsylvania
15222, is a registered investment adviser and a subsidiary of Federated
Investors.
 
                                       36
<PAGE>   40
 
     FCNIMCO is entitled to and has received advisory fees from the Pegasus
Portfolios, computed daily and paid monthly, at the following annual rates,
expressed as a percentage of the Portfolios' average daily net assets:
 
<TABLE>
<CAPTION>
                                                                               EFFECTIVE ADVISORY FEE
                                                                                RATE FOR FISCAL YEAR
                                                                                  OR PERIOD ENDED
                                                                                 DECEMBER 31, 1997
         PEGASUS PORTFOLIOS           CURRENT CONTRACTUAL ADVISORY FEE RATE       (AFTER WAIVERS)
         ------------------           -------------------------------------    ----------------------
<S>                                   <C>                                      <C>
Money Market Fund...................  .30% of the first $1 billion, .275%                .28%
                                      of the next $1 billion and .25% of 
                                      average daily net assets in excess 
                                      of $2 billion
Treasury Money Market Fund..........  .30% of the first $1 billion, .275%                .29%
                                      of the next $1 billion and .25% of 
                                      average daily net assets in excess 
                                      of $2 billion
Municipal Money Market Fund.........  .30% of the first $1 billion, .275%                .30%
                                      of the next $1 billion and .25% of 
                                      average daily net assets in excess 
                                      of $2 billion
Michigan Municipal Money Market
  Fund..............................  .30% of the first $1 billion, .275%                .27%
                                      of the next $1 billion and .25% of 
                                      average daily net assets in excess 
                                      of $2 billion
Cash Management Fund................                  .20%                               .17%
Treasury Cash Management Fund.......                  .20%                               .17%
Treasury Prime Cash Management
  Fund..............................                  .20%                               .16%
U. S. Government Securities Cash
  Management Fund...................                  .20%                               .17%
Municipal Cash Management Fund......                  .20%                               .17%
Managed Assets Conservative Fund....                  .65%                               .52%
Managed Assets Balanced Fund........                  .65%                               .52%
Managed Assets Growth Fund..........                  .65%                               .35%
Equity Income Fund..................                  .50%                               .50%
Growth Fund.........................                  .60%                               .60%
Mid-Cap Opportunity Fund............                  .60%                               .60%
Small-Cap Opportunity Fund..........                  .70%                               .70%
Intrinsic Value Fund................                  .60%                               .60%
Growth and Value Fund...............                  .60%                               .59%
Equity Index Fund...................                  .10%                               .08%
Market Expansion Index Fund.........                  .25%                               N/A
International Equity Fund...........                  .80%                               .80%
Intermediate Bond Fund..............                  .40%                               .40%
Bond Fund...........................                  .40%                               .40%
Short Bond Fund.....................                  .35%                               .33%
Multi Sector Bond Fund..............                  .40%                               .40%
High Yield Bond Fund................                  .70%                               .61%
Municipal Bond Fund.................                  .40%                               .40%
</TABLE>
 
                                       37
<PAGE>   41
 
<TABLE>
<CAPTION>
                                                                               EFFECTIVE ADVISORY FEE
                                                                                RATE FOR FISCAL YEAR
                                                                                  OR PERIOD ENDED
                                                                                 DECEMBER 31, 1997
         PEGASUS PORTFOLIOS           CURRENT CONTRACTUAL ADVISORY FEE RATE       (AFTER WAIVERS)
         ------------------           -------------------------------------    ----------------------
<S>                                   <C>                                      <C>
Short Municipal Bond Fund...........                  .40%                               N/A
Intermediate Municipal Bond Fund....                  .40%                               .40%
Michigan Municipal Bond Fund........                  .40%                               .34%
</TABLE>
 
     For the services provided by Federated to the High Yield Bond Fund, FCNIMCO
pays, out of the fees it receives from Pegasus, a monthly fee at the following
annual rate (as a percentage of the Fund's average daily net assets): .50% on
the first $30 million of average daily net assets; .40% on the next $20 million;
 .30% on the next $25 million; .25% on the next $25 million; and .20% of the
Fund's average daily net assets in excess of $100 million. For the fiscal year
ended December 31, 1997, Federated was paid an effective advisory fee rate of
 .61%.
 
     INVESTMENT ADVISER -- ONE GROUP FUNDS. BOIA, an indirect subsidiary of BOC,
serves as investment adviser to the One Group Funds. Under its investment
advisory agreement with One Group, BOIA makes the day-to-day investment
decisions for the One Group Funds and continuously reviews, supervises and
administers their investment programs subject to the supervision of, and
policies established by, the Board of Trustees of One Group. Independence
International Associates, Inc. ("Independence International") serves as
sub-adviser to the International Equity Index Fund and Banc One High Yield
Partners LLC ("Banc One Partners") serves as sub-adviser to the High Yield Bond
Fund subject to the oversight and supervision of BOIA. Pursuant to BOIA's
sub-advisory agreements with Independence International and Banc One Partners,
BOIA and Independence International, in the case of the International Equity
Index Fund, and Banc One Partners, in the case of the High Yield Bond Fund,
provide the day-to-day management of each One Group Fund's investments, subject
to the overall authority of BOIA and the Board and in conformity with applicable
state law and the stated policies of the Fund.
 
     Independence International, located at 75 State Street, Boston,
Massachusetts, 02109, is a registered investment adviser and an indirect
subsidiary of John Hancock Mutual Life Insurance Company. Banc One Partners,
located at 1111 Polaris Parkway, P.O. Box 710211, Columbus, Ohio 43271-0211, is
a registered investment adviser. Banc One Partners is controlled by BOIA and
Pacholder Associates, Inc., an investment advisory firm which specializes in
high yield, high risk, fixed income securities.
 
     BOIA, located at 1111 Polaris Parkway, Columbus, Ohio 43271, is a
registered investment adviser and an indirect subsidiary of BOC. BOIA is
entitled to and has received advisory fees from the One Group Funds, computed
daily and paid monthly, at the following annual rates, expressed as a percentage
of the Funds' average daily net assets:
 
<TABLE>
<CAPTION>
                                                                               EFFECTIVE ADVISORY FEE
                                                                                RATE FOR FISCAL YEAR
                                                                                  OR PERIOD ENDED
                                                                                   JUNE 30, 1998
          ONE GROUP FUNDS             CURRENT CONTRACTUAL ADVISORY FEE RATE       (AFTER WAIVERS)
          ---------------             -------------------------------------    ----------------------
<S>                                   <C>                                      <C>
Prime Money Market Fund.............                  .35%                               .30%
U.S. Treasury Securities Money
  Market Fund.......................                  .35%                               .28%
Municipal Money Market Fund.........                  .35%                               .25%
Michigan Municipal Money Market
  Fund(1)...........................                  .35%                               N/A
Cash Management Money Market
  Fund(1)...........................                  .20%                               N/A
Treasury Cash Management Money
  Market Fund(1)....................                  .20%                               N/A
</TABLE>
 
                                       38

<PAGE>   42
 
<TABLE>
<CAPTION>
                                                                               EFFECTIVE ADVISORY FEE
                                                                                RATE FOR FISCAL YEAR
                                                                                  OR PERIOD ENDED
                                                                                   JUNE 30, 1998
          ONE GROUP FUNDS             CURRENT CONTRACTUAL ADVISORY FEE RATE       (AFTER WAIVERS)
          ---------------             -------------------------------------    ----------------------
<S>                                   <C>                                      <C>
Treasury Prime Cash Management Money
  Market Fund(1)....................                  .20%                               N/A
U.S. Government Cash Management
  Money Market Fund(1)..............                  .20%                               N/A
Municipal Cash Management Money
  Market Fund(1)....................                  .20%                               N/A
Investor Balanced Fund..............                  .05%                               .04%
Investor Growth & Income Fund.......                  .05%                               .04%
Investor Growth Fund................                  .05%                               .03%
Income Equity Fund (to be renamed
  Equity Income Fund upon
  Reorganization)...................  .74% of the first $1.5 billion, .70%               .74%(2)
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion
Large Company Growth Fund (to be
  renamed Large Cap Growth Fund upon
  Reorganization)...................  .74% of the first $1.5 billion, .70%               .74%(2)
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion
Diversified Mid Cap Fund(1).........  .74% of the first $1.5 billion, .70%               N/A
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion

Small Cap Value Fund(1).............  .74% of the first $1.5 billion, .70%               N/A
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion
Disciplined Value Fund (to be
renamed Mid Cap Value Fund upon
Reorganization).....................  .74% of the first $1.5 billion, .70%               .74%(2)
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion
Value Growth Fund...................  .74% of the first $1.5 billion, .70%               .74%(2)
                                      of the next $500 million, and .65% of
                                      average daily net assets in excess of
                                      $2 billion
Equity Index Fund...................                  .30%                               .10%
Market Expansion Index Fund(1)......                  .35%                               N/A
Diversified International Fund(1)...                  .80%                               N/A
Intermediate Bond Fund..............                  .60%                               .34%
Bond Fund(1)........................                  .60%                               N/A
Limited Volatility Bond Fund........                  .60%                               .31%
  (to be renamed Short-Term Bond
     Fund upon Reorganization)
Income Bond Fund....................                  .60%                               .40%
High Yield Bond Fund(3).............                  .75%                               N/A
Tax-Free Bond Fund(1)...............                  .45%                               N/A
</TABLE>
 
                                       39

<PAGE>   43
 
<TABLE>
<CAPTION>
                                                                               EFFECTIVE ADVISORY FEE
                                                                                RATE FOR FISCAL YEAR
                                                                                  OR PERIOD ENDED
                                                                                   JUNE 30, 1998
          ONE GROUP FUNDS             CURRENT CONTRACTUAL ADVISORY FEE RATE       (AFTER WAIVERS)
          ---------------             -------------------------------------    ----------------------
<S>                                   <C>                                      <C>
Short-Term Municipal Bond Fund(1)...                  .60%                               N/A
Intermediate Tax-Free Bond Fund.....                  .60%                               .39%
Michigan Municipal Bond Fund(1).....                  .45%                               N/A
</TABLE>
 
- ---------------
 
(1) The New One Group Funds have recently been organized for the purpose of
    continuing the investment operations of the Continuing Pegasus Portfolios.
    With respect to the New One Group Funds, BOIA has agreed to waive a portion
    of its investment advisory fee until at least March, 2000 so that the rate
    of total operating expenses actually paid will equal the rate currently paid
    for total operating expenses by the corresponding Continuing Pegasus
    Portfolios.
 
(2) The effective advisory fee rate was based on a contractual rate of .74% then
    in effect. BOIA has agreed to waive a portion of its advisory fees with
    respect to Income Equity until August 1999.
 
(3) The One Group(R) High Yield Bond Fund commenced operations on November 13,
    1998.
 
     Independence International is entitled to a fee from BOIA at the following
annual rates as a percentage of average daily net assets: up to $10
million -- .275%, over $10,000,000 up to $25,000,000 -- .225%, over $25,000,000
up to $50,000,000 -- .195%, over $50,000,000 up to $100,000,000 -- .125%, over
$100,000,000 -- .060%. Independence International was paid at an effective
sub-advisory fee rate of .55% for the fiscal year or period ended June 30, 1998.
 
     For its services, Banc One Partners is entitled to a fee, from BOIA equal
to .70% of the High Yield Bond Fund's average daily net assets. Banc One
Partners received no payment for the period ended June 30, 1998, since the High
Yield Bond Fund had not commenced operations during that period.
 
                        CERTAIN OTHER SERVICE PROVIDERS
                 FOR THE PEGASUS PORTFOLIOS AND ONE GROUP FUNDS
 
<TABLE>
<CAPTION>
                                      PEGASUS PORTFOLIOS                   ONE GROUP FUNDS
                                      ------------------                   ---------------
<S>                             <C>                                <C>
Administrators                  FCNIMCO and BISYS Fund Services    One Group Services Company
                                Limited Partnership d/b/a BISYS    ("OGSC") (Administrator) Banc
                                Fund Services ("BISYS")            One Investment Advisors
                                ("Co-Administrators")              ("BOIA") ("Sub-Administrator")
 
Transfer Agents                 First Data Investor Services       State Street Bank and Trust
                                Group, Inc. ("FDISG")              Company ("State Street")
 
Custodian                       NBD Bank ("NBD") ("Custodian")     State Street ("Custodian") Bank
                                State Street ("Sub-Custodian")     One Trust Company, N.A.
                                                                   ("BOTC") ("Sub-Custodian")
 
Distributor                     BISYS                              OGSC
</TABLE>
 
     FCNIMCO and BISYS (located at 3435 Stelzer Road, Columbus, Ohio 43219-3035)
jointly serve as the Co-Administrators for the Pegasus Portfolios pursuant to an
Administration Agreement with the Trust. Under the Administration Agreement,
FCNIMCO and BISYS generally assist in all aspects of the Trust's operations,
other than providing investment advice, subject to the overall authority of the
Pegasus Board in accordance with Massachusetts law. Under the terms of the
Administration Agreement Pegasus pays FCNIMCO, as agent for the
Co-Administrators, a monthly administration fee at the annual rate of .15% of
 
                                       40
<PAGE>   44
 
each Pegasus Portfolio's average daily net assets. For the fiscal year ended
December 31, 1997, Pegasus paid administration fees at the effective annual rate
of .15% of each Pegasus Portfolio's average daily net assets.
 
     The Managed Assets Conservative, Managed Assets Balanced and Managed Assets
Growth Funds (collectively, the "Asset Allocation Funds") invest in shares of
certain of the other Pegasus Portfolios (the "Underlying Funds"). FCNIMCO and
the Co-Administrators reimburse the Asset Allocation Funds the full amount of
advisory fees and administration fees incurred by each of the Underlying Funds
with respect to shares held by the Asset Allocation Funds. FCNIMCO and BISYS can
discontinue or modify any such reimbursements at their discretion. Investors in
the Asset Allocation Funds do indirectly bear that portion of the expenses of
the Underlying Funds related to other expenses such as custody, transfer agency
and professional fees.
 
     OGSC, a wholly-owned subsidiary of The BISYS Group, Inc., serves as the
Administrator for the One Group Funds and BOIA acts as Sub-Administrator. OGSC
is responsible for responding to shareholder inquiries and requests for
information, as well as providing regulatory reporting and compliance. For these
services, OGSC receives a fee based on the total assets of One Group. With
respect to each of the One Group Funds (other than the institutional money
market funds and the Investor Funds), for the first $1.5 billion in One Group
assets, OGSC receives an annual fee of .20% of each Fund's average daily net
assets; the annual rate declines to .18% on assets between $1.5 and $2 billion,
and to .16% on assets in excess of $2 billion. With respect to the institutional
money market funds, OGSC receives an annual fee of .05% of each institutional
money market fund's average daily net assets. OGSC receives from One Group
Investor Funds an annual fee of .10% of each Investor Fund's average daily net
assets on $500,000,000 in Fund assets. The fee declines to .075% on net assets
between $500,000,000 and $1 billion, and to .05% on assets over $1 billion. The
fees are calculated daily and paid monthly. Some Funds are not included in these
calculations. As Sub-Administrator, BOIA provides office space, equipment and
facilities, as well as legal and regulatory support.
 
     OGSC is located at 3435 Stelzer Road, Columbus, Ohio 43219.
 
     FDISG, located at P.O. Box 5142, Westborough, Massachusetts 01581-5120,
serves as transfer agent to the Pegasus Portfolios.
 
     State Street, located at P.O. Box 8500, Boston Massachusetts 02266-8500,
serves as transfer agent and custodian to the One Group Funds. BOTC serves as
sub-custodian in connection with the Funds' securities lending activities under
an agreement with State Street. BOTC is located at 774 Park Meadow Road,
Westerville, OH 43271.
 
     NBD Bank ("NBD") serves as Pegasus' custodian. As of September 8, 1998, NBD
has entered into a Sub-Custodian Agreement with State Street Bank and Trust
Company ("State Street"). As sub-custodian State Street agreed to hold, deliver
and register securities, maintain bank accounts, collect income, pay fund
monies, appoint agents and deposit fund assets in U.S. Securities Systems, among
other things. NBD, located at 900 Tower Drive, Troy, Michigan 48098, is an
indirect wholly-owned subsidiary of BOC.
 
     DISTRIBUTION PLAN AND SHAREHOLDER SERVICING ARRANGEMENTS -- PEGASUS
PORTFOLIOS. BISYS is the principal underwriter and distributor for Pegasus.
Pegasus has adopted a Distribution Plan pursuant to Rule 12b-1 under the 1940
Act (the "Pegasus 12b-1 Plan") with respect to Class B Shares of the Pegasus
Portfolios that offer such shares and a Shareholders Services Plan with respect
to Class A and Class B shares. Under the Pegasus 12b-1 Plan, the Class B Shares
have agreed to pay BISYS for advertising, marketing and distributing shares of
each Portfolio at an aggregate annual rate of 0.75% of the average daily net
asset value of such Portfolio's outstanding Class B Shares. BISYS may pay
institutions, including FCNIMCO, and its subsidiaries and affiliates
(collectively, "Service Agents"), for distribution services to Class B
shareholders. BISYS determines the amounts, if any, to be paid to Service Agents
under the Pegasus 12b-1 Plan and the basis on which such payments are made. The
fees payable under the Pegasus 12b-1 Plan are payable without regard to actual
expenses incurred. The Cash Management Funds have a Distribution and Services
Plan with respect to Class S shares adopted by the Board of Trustees under which
BISYS is paid a fee of up to .25% of the average daily net asset value of Class
S.
 
                                       41
<PAGE>   45
 
     In addition to the 12b-1 Plan, Pegasus has adopted a Shareholder Services
Plan for the Class A and Class B Shares (each a "Shareholder Services Plan") for
each Pegasus Portfolio other than the Cash Management Funds. Under each
Shareholder Services Plan, each Pegasus Portfolio pays BISYS for the provision
of certain administrative support services to the shareholders of these shares a
fee at the annual rate of .25% of the value of the average daily net assets of
such Class A or Class B Shares. The services provided may include personal
services related to shareholder accounts, such as answering shareholder
inquiries regarding the applicable Portfolio and providing reports and other
information, and services related to the maintenance of shareholder accounts.
Under each Shareholder Services Plan, BISYS may make payments to Service Agents
in respect of those services.
 
     DISTRIBUTION PLAN AND SHAREHOLDER SERVICING ARRANGEMENTS -- ONE
GROUP. OGSC, a wholly-owned subsidiary of The BISYS Group, Inc., is the
principal underwriter and distributor for The One Group.
 
     One Group has adopted a 12b-1 Plan under the 1940 Act (the "Plan") with
respect to its funds under which fees are paid by One Group to OGSC as
compensation for its services and expenses. OGSC in turn pays all or part of
such fees to shareholder servicing agents that sell shares of One Group. Plan
fees vary by share class. Class A shares for all funds except the Prime,
Municipal and U.S. Treasury Securities Money Market Funds are subject to a Plan
fee of .35% of the average daily net assets of the Fund, which is currently
being waived to .25%. Class A shares of the Prime, Municipal and U.S. Treasury
Securities Money Market Funds pay a Plan fee of .25% of average daily net assets
of the Fund. Class B and Class C shares pay a Plan fee (including shareholder
service fee) of 1.00% of average daily net assets of the Fund, which is
currently being waived to .90% for the Intermediate Bond and Income Bond and to
 .75% for the Limited Volatility Bond Fund. Service Class shares of the Prime,
Municipal, Michigan Municipal and U.S. Treasury Securities Money Market Funds
are subject to a Plan fee of .75% of the average daily net assets of the Fund,
which is currently being waived to .55%. There are no Plan fees for Class I
shares. As with the Pegasus 12b-1 and Shareholder Servicing Plans, OGSC may use
up to .25% of the Plan fees for shareholder servicing and up to .75% for
distribution.
 
     See the Existing One Group Fund Prospectuses accompanying this Combined
Prospectus/Proxy Statement, which are incorporated herein by reference, and the
Pegasus Prospectuses for additional information on the service providers.
 
     SHAREHOLDER TRANSACTIONS AND SERVICES. The Pegasus Portfolios and their
corresponding One Group Funds offer generally similar shareholder services and
transactions. There are, however, some differences. For example, the minimum
initial investment amount for Class I shares of the Pegasus Portfolios is
generally $1,000,000, while the minimum initial investment amount for Class I
shares of the One Group is generally $1,000. For a more detailed comparison of
shareholder transactions and services see Appendix IV -- Shareholder
Transactions and Services.
 
     After the Reorganization, One Group will continue to honor any standing
instructions regarding the corresponding Pegasus Portfolio share classes under
arrangements such as automatic withdrawal plans, systematic investment plans or
dividend reinvestment plans. In such cases, standing instructions will be
subject to the same or similar terms (e.g., minimum investments, account
balances and minimum transaction amounts) currently in effect, except that there
may be exceptions with respect to the timing of transactions which may need to
be altered to comport with One Group's procedures. Shareholders will be notified
of any such exceptions. After the Reorganization, any instructions given with
respect to any new account will be subject to the terms of the applicable One
Group Fund share class. For a complete description and comparison of the terms
applicable to standing instructions and other account features regarding the
Pegasus Portfolios and One Group Funds, see Appendix IV to this Combined
Prospectus/Proxy Statement.
 
                                       42
<PAGE>   46
 
                     INFORMATION RELATING TO VOTING MATTERS
 
     GENERAL INFORMATION. This Combined Prospectus/Proxy Statement is being
furnished in connection with the solicitation of proxies by Pegasus' Board of
Trustees in connection with the Meeting. It is expected that the solicitation of
proxies will be primarily by mail. Officers and service contractors of Pegasus
may also solicit proxies by telephone, telegraph, facsimile or personal
interview. Shareholder Communications Corporation has been retained to assist in
the solicitation of proxies primarily by contacting shareholders by telephone
and telegram. Authorizations to execute proxies may be obtained by telephonic or
electronically transmitted instructions in accordance with procedures designed
to authenticate the shareholder's identity. In all cases where a telephonic
proxy is solicited, the shareholder will be asked to provide his or her address,
social security number (in the case of an individual) or taxpayer identification
number (in the case of an entity) and the number of shares owned and to confirm
that the shareholder has received the Combined Prospectus/Proxy Statement and
proxy card in the mail. Within 72 hours of receiving a shareholder's telephonic
or electronically transmitted voting instructions, a confirmation will be sent
to the shareholder to ensure that the vote has been taken in accordance with the
shareholder's instructions and to provide a telephone number to call immediately
if the shareholder's instructions are not correctly reflected in the
confirmation. Shareholders requiring further information with respect to
telephonic or electronically transmitted voting instructions or the proxy
generally should contact Shareholder Communications Corporation toll-free at
1-800-848-1134. Any shareholder giving a proxy may revoke it at any time before
it is exercised by submitting to Pegasus a written notice of revocation or a
subsequently executed proxy or by attending the Meeting and voting in person.
 
     Only shareholders of record at the close of business on December 18, 1998
will be entitled to vote at the Meeting. On that date, the following Pegasus
Shares were outstanding and entitled to be voted:
 
<TABLE>
<CAPTION>
             NAME OF PEGASUS FUND AND CLASS                 SHARES ENTITLED TO VOTE
             ------------------------------                 -----------------------
<S>                                                         <C>
Pegasus Money Market Fund...............................            3,425,480,709.995
  Class A...............................................            1,590,657,184.074
  Class B...............................................                  593,029.541
  Class I...............................................            1,834,230,496.38
Pegasus Treasury Money Market Fund......................            1,113,419,468.32
  Class A...............................................              344,189,575.18
  Class I...............................................              769,229,893.14
Pegasus Municipal Money Market Fund.....................              876,187,827.25
  Class A...............................................              210,663,332.95
  Class I...............................................              665,524,494.30
Pegasus Michigan Municipal Money Market Fund............              188,213,010.30
  Class A...............................................               67,701,071.98
  Class I...............................................              120,511,938.32
Pegasus Cash Management Fund............................            2,570,863,581.25
  Class I...............................................            1,156,094,099.63
  Class S...............................................            1,414,769,481.62
Pegasus Treasury Cash Management Fund...................              388,218,511.98
  Class I...............................................               29,644,842.96
  Class S...............................................              358,573,669.02
Pegasus Treasury Prime Cash Management Fund.............              594,683,368.57
  Class I...............................................              139,632,806.45
  Class S...............................................              455,050,562.12
Pegasus U.S. Government Securities Cash Management
  Fund..................................................            1,870,065,115.12
  Class I...............................................              561,132,992.90
  Class S...............................................            1,308,932,122.22
</TABLE>
 
                                       43
<PAGE>   47
 
<TABLE>
<CAPTION>
             NAME OF PEGASUS FUND AND CLASS                 SHARES ENTITLED TO VOTE
             ------------------------------                 -----------------------
<S>                                                         <C>
Pegasus Municipal Cash Management Fund..................              663,452,561.11
  Class I...............................................              594,954,968.04
  Class S...............................................               68,497,593.07
Pegasus Managed Assets Conservative Growth Fund.........                9,524,950.054
  Class A...............................................                6,711,113.844
  Class B...............................................                1,790,206.826
  Class I...............................................                1,023,629.384
Pegasus Managed Assets Balanced Fund....................               24,235,921.861
  Class A...............................................               15,149,528.068
  Class B...............................................                1,428,140.226
  Class I...............................................                7,658,253.567
Pegasus Managed Assets Growth Fund......................                2,450,704.856
  Class A...............................................                1,252,405.502
  Class B...............................................                1,094,037.956
  Class I...............................................                  104,261.398
Pegasus Equity Income Fund..............................               48,457,979.738
  Class A...............................................                1,049,002.277
  Class B...............................................                  285,625.557
  Class I...............................................               47,123,351.904
Pegasus Growth Fund.....................................               52,013,265.267
  Class A...............................................                6,656,571.656
  Class B...............................................                  316,389.856
  Class I...............................................               45,040,303.755
Pegasus Mid-Cap Opportunity Fund........................               62,948,070.752
  Class A...............................................               13,712,501.463
  Class B...............................................                  739,164.901
  Class I...............................................               48,496,404.388
Pegasus Small-Cap Opportunity Fund......................               21,037,409.677
  Class A...............................................                2,146,153.52
  Class B...............................................                  277,045.187
  Class I...............................................               18,614,210.97
Pegasus Intrinsic Value Fund............................               42,425,522.588
  Class A...............................................                8,516,991.455
  Class B...............................................                  510,000.694
  Class I...............................................               33,398,530.439
Pegasus Growth and Value Fund...........................               90,636,008.481
  Class A...............................................               16,118,909.369
  Class B...............................................                1,150,884.536
  Class I...............................................               73,366,214.576
Pegasus Equity Index Fund...............................               40,504,905.236
  Class A...............................................               12,661,680.262
  Class B...............................................                  348,080.995
  Class I...............................................               27,495,143.979
Pegasus Market Expansion Index Fund.....................                2,613,983.688
  Class A...............................................                    2,889.659
  Class B...............................................                       20.838
  Class I...............................................                2,611,073.191
</TABLE>
 
                                       44
<PAGE>   48
 
<TABLE>
<CAPTION>
             NAME OF PEGASUS FUND AND CLASS                 SHARES ENTITLED TO VOTE
             ------------------------------                 -----------------------
<S>                                                         <C>
Pegasus International Equity Fund.......................               44,480,078.697
  Class A...............................................                3,252,613.182
  Class B...............................................                  194,964.339
  Class I...............................................               41,032,501.176
Pegasus Intermediate Bond Fund..........................               61,655,452.199
  Class A...............................................                8,303,454.196
  Class B...............................................                   79,249.409
  Class I...............................................               53,272,748.594
Pegasus Bond Fund.......................................              140,066,331.251
  Class A...............................................               20,875,898.788
  Class B...............................................                  813,540.786
  Class I...............................................              118,376,891.677
Pegasus Short Bond Fund.................................               33,751,658.62
  Class A...............................................                1,388,695.796
  Class B...............................................                   26,136.054
  Class I...............................................               32,336,826.77
Pegasus Multi Sector Bond Fund..........................               49,697,150.295
  Class A...............................................                1,923,950.528
  Class B...............................................                   78,072.501
  Class I...............................................               47,695,127.266
Pegasus High Yield Bond Fund............................                8,091,276.053
  Class A...............................................                  226,760.448
  Class B...............................................                   35,322.417
  Class I...............................................                7,829,193.188
Pegasus Municipal Bond Fund.............................               68,473,760.889
  Class A...............................................                3,588,861.502
  Class B...............................................                  164,463.836
  Class I...............................................               64,720,435.551
Pegasus Short Municipal Bond Fund.......................               11,767,201.887
  Class A...............................................                   54,912.787
  Class B...............................................                   10,919.246
  Class I...............................................               11,701,369.854
Pegasus Intermediate Municipal Bond Fund................               39,852,687.140
  Class A...............................................                1,875,641.793
  Class B...............................................                   58,703.015
  Class I...............................................               37,918,342.332
Pegasus Michigan Municipal Bond Fund....................               29,331,005.965
  Class A...............................................                2,072,840.068
  Class B...............................................                  181,387.935
  Class I...............................................               27,076,777.962
</TABLE>
 
     Each share or fraction thereof is entitled to one vote or fraction thereof,
and all shares will vote separately by class.
 
     Pegasus and One Group have been advised by FCNIMCO that the shares of each
Pegasus Portfolio over which BOC or its affiliates have voting power will,
wherever possible, be voted in accordance with instructions received from
beneficial owners or fiduciaries of such accounts who are not related to BOC or
its affiliates. As to employee benefit plans, BOC may vote such shares in
accordance with the recommendation of an independent fiduciary. Where BOC is
required to vote Pegasus shares, it will vote them in the same
 
                                       45
<PAGE>   49
 
proportions as the shares of all other voting shareholders of each respective
class of each Pegasus Portfolio were actually voted.
 
     If the accompanying proxy is executed and returned in time for the Meeting,
the shares covered thereby will be voted in accordance with the proxy on all
matters that may properly come before the Meeting or any adjournment thereof.
For information on adjournment of the meeting, see "Quorum" below.
 
     SHAREHOLDER AND BOARD APPROVALS. The Reorganization Agreement (and the
transactions contemplated thereby) is being submitted for approval at the
Meeting by the holders of a majority of the outstanding shares of each share
class of each of the Pegasus Money Market, Treasury Money Market, Municipal
Money Market, Michigan Municipal Money Market, Cash Management, Treasury Cash
Management, Treasury Prime Cash Management, U.S. Government Securities Cash
Management, Municipal Cash Management, Managed Assets Conservative, Managed
Assets Balanced, Managed Assets Growth, Equity Income, Growth, Mid-Cap
Opportunity, Small-Cap Opportunity, Intrinsic Value, Growth and Value, Equity
Index, Market Expansion Index, International Equity, Intermediate Bond, Bond,
Short Bond, Multi Sector Bond, High Yield Bond, Municipal Bond, Short Municipal
Bond, Intermediate Municipal Bond and Michigan Municipal Bond Funds in
accordance with the provisions of Pegasus' Declaration of Trust and the
requirements of the 1940 Act. The term "majority of the outstanding shares" of a
share class of each Pegasus Portfolio as used herein means the lesser of (a) 67%
of the shares of a particular share class of the Pegasus Portfolio present at
the meeting if the holders of more than 50% of the outstanding shares of such a
share class are present in person or by proxy, or (b) more than 50% of the
outstanding shares of such share class.
 
     If the shareholders of one or more but not all of the Pegasus Portfolios
approve the Reorganization, the Reorganization will be consummated with respect
to those Pegasus Portfolios whose shareholders have approved the Reorganization.
If shareholders of some but not all classes of a Pegasus Portfolio approve the
Reorganization, the Reorganization with respect to that Pegasus Portfolio will
not be consummated unless and until shareholder approval is obtained with
respect to all classes. If shareholders of one or more of the Pegasus Portfolios
do not approve the Reorganization, Pegasus will remain in existence and expenses
for the remaining portfolios are expected to continue as disclosed in each such
portfolio's prospectus dated April 30, 1998 through April 30, 1999. After that
date, the prospectuses applicable to any remaining Pegasus Portfolios would be
updated to reflect, among other things, projected expense ratios for the next
year. In such event, the Pegasus Board of Trustees will take such action as it
deems to be in the best interest of any such remaining portfolios.
 
     The approval of the Reorganization by the shareholders of One Group is not
being solicited because their approval or consent is not legally required.
 
     As of December 18, 1998, FCNIMCO and its affiliates beneficially owned
26.37% of the outstanding shares of the Pegasus Money Market, Treasury Money
Market, Municipal Money Market, Michigan Municipal Money Market, Cash
Management, Treasury Cash Management, Treasury Prime Cash Management, U.S.
Government Securities Cash Management, Municipal Cash Management, Managed Assets
Conservative, Managed Assets Balanced, Managed Assets Growth, Equity Income,
Growth, Mid-Cap Opportunity, Small-Cap Opportunity, Intrinsic Value, Growth and
Value, Equity Index, Market Expansion Index, International Equity, Intermediate
Bond, Short Bond, Bond, Multi Sector Bond, High Yield Bond, Municipal Bond,
Short Municipal Bond, Intermediate Municipal Bond and Michigan Municipal Bond
Funds on behalf of their customer accounts.
 
     As of December 18, 1998, the name, address and percentage of ownership of
the persons who owned of record 5% or more of any class of the Reorganizing
Pegasus Portfolios, and the percentage of the respective
 
                                       46
<PAGE>   50
 
share classes of the corresponding One Group Funds that would be owned by those
persons upon the consummation of the Reorganization based upon their holdings on
December 18, 1998, are as follows:
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
Money Market Fund.........  Corelink Financial, Inc.           B                60.555%          4.02%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Donaldson Lufkin Jenrette          B                 25.89%          1.72%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Trussal and Company                I                 69.83%         24.66%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            First Chicago NBD TTEE             I                  9.38%          3.31%
                            First Chicago NBD Svgs &        Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            First National Bank of             I                  5.22%          1.84%
                            Chicago                         Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, IL 60670-0001
Treasury Money
  Market Fund.............  Spar Marketing Force Inc.          A                 10.34%          1.81%
                            1757 Northfield Drive           Record
                            Rochester Hills, MI 48309
                            Potomac Corporation                A                  7.61%          1.33%
                            PO Box 67-A                     Record
                            100 W Willow Rd
                            Wheeling, IL 60090-6522
                            Immuno US Inc                      A                  5.79%          1.01%
                            Attn: Accounting                Record
                            1200 Parkdale Road
                            Rochester Hills, MI
                            48307-1744
                            Trussal and Company                A                  5.03%          0.88%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
</TABLE>
 
                                       47
<PAGE>   51
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            First National Bank of             I                 58.23%          5.76%
                            Chicago                         Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, IL 60670-0001
                            Trussal and Company                I                 28.20%          4.51%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Municipal Money
  Market Fund.............  Trussal and Company                I                 92.55%          3.55%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Managed Assets
  Conservative Fund.......  Corelink Financial, Inc.           A                  7.37%          5.87%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                A                  7.04%          5.61%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            First Chicago NBD TTEE             I                 83.32%         12.08%
                            First Chicago NBD Svgs &        Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            Trussal and Company                I                 14.63%          2.12%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Managed Assets
  Balanced Fund...........  Corelink Financial, Inc.           A                 27.14%         36.24%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            First Chicago NBD TTEE             A                 12.45%          9.61%
                            Clarian Health Partners Inc.    Record
                            Defined Contribution Plan
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
</TABLE>
 
                                       48
<PAGE>   52
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            Trussal and Company                A                 11.06%          8.54%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc            B                  6.83%          0.83%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            First Chicago NBD TTEE             I                 66.43%         31.74%
                            First Chicago NBD Svgs &        Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            Trussal and Company                I                 33.05%         15.79%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Managed Assets
  Growth Fund.............  Trussal and Company                A                 31.03%          6.31%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc.....       A                  6.42%          1.30%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                I                 99.98%          1.55%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Equity Income Fund........  Corelink Financial, Inc            A                 12.93%          2.16%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                I                 56.50%         35.07%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 38.26%         23.75%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Growth Fund...............  Corelink Financial, Inc            B                 11.15%          0.21%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
</TABLE>
 
                                       49
<PAGE>   53
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            Trussal and Company                I                 47.09%         17.88%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 50.07%         19.02%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Intrinsic Value Fund......  Corelink Financial, Inc            A                 22.03%         16.37%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                A                 21.17%         15.74%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc            B                  6.56%          0.98%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                I                 73.89%         28.89%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 10.19%          3.99%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Inner Wharf & Co                   I                  8.95%          3.50%
                            American National Bank          Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
Growth and Value
  Fund....................  Trussal and Company                A                 29.59%         20.73%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc            A                 14.10%          9.88%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Corelink Financial, Inc            B                  7.83%          2.49%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
</TABLE>
 
                                       50
<PAGE>   54
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            Trussal and Company                I                 73.48%         43.06%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            First Chicago NBD TTEE             I                 10.05%          5.89%
                            First Chicago NBD Svgs &        Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            Eagle & Co                         I                  7.99%          4.69%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Equity Index Fund.........  Corelink Financial, Inc            A                 27.14%         15.48%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Trussal and Company                A                  8.49%          4.84%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            NBD Bank TTEE                      A                  8.37%          4.78%
                            American Axle &                 Record
                            Manufacturing Inc.
                            Personal S/P Hourly Rate
                            Associates
                            900 Tower Drive
                            Troy, MI 48098
                            Putnam Fiduciary Trust Co          A                  6.36%          3.63%
                            TTEE                            Record
                            Market Square P/A Plan
                            Attn: Lisa Dory
                            859 Willard Street Ms B-3-B
                            Quincy, MA 02269-9110
                            First Chicago NBD TTEE             A                  5.34%          3.05%
                            Honigman Miller Schwartz &      Record
                            Cohn
                            Profit Sharing Plan
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            NBD Bank as TTEE                   A                  5.26%          3.00%
                            Reilly Industries Inc.          Record
                            401(k)                          
                            Deferred Savings Plan
                            107 N Cross St. Ste 2092
                            Wheaton, IL 60187
</TABLE>
 
                                       51
<PAGE>   55
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            Trussal and Company                I                 93.55%         49.80%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
Intermediate Bond
  Fund....................  Trussal and Company                A                 48.32%         29.52%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Canadaigua Brands Inc              A                 17.90%         10.94%
                            401(k) and Profit Sharing       Record
                            Plan
                            300 Willowbrook Office Park
                            Fairport, NY 14450
                            Corelink Financial, Inc            A                  9.93%          6.07%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Corelink Financial, Inc            B                 21.56%          0.63%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            Donaldson Lufkin Jenrette          B                  6.32%          0.18%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Trussal and Company                I                 75.64%         32.98%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 21.42%          9.34%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Multi Sector Bond
  Fund....................  Trussal and Company                A                 31.94%         15.76%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc            A                 13.48%          6.65%
                            1855 Gateway Blvd Ste 500       Record
                            Concord, CA 94520
                            First Chicago as TTEE              A                  8.22%          4.06%
                            McDonough Assoc.                Record
                            218 E Wesley St Ste 2030
                            Wheaton, IL 60187-5317
</TABLE>
 
                                       52
<PAGE>   56
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            First Chicago                      A                  6.23%          3.07%
                            Brambles USA Inc Pro & Sal      Record
                            Plan
                            107 N Cross St Ste 2092
                            Wheaton, IL 60187-5317
                            Donaldson Lufkin Jenrette          B                 15.52%          0.65%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Trussal and Company                I                 82.32%         26.56%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 14.43%          4.65%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Short Bond Fund...........  Trussal and Company                A                 80.55%          4.06%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Donaldson Lufkin Jenrette          B                 75.18%          2.99%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            BA Investment Services, Inc        B                 16.72%          1.74%
                            185 Berry St.                   Record
                            San Francisco, CA 94107
                            Trussal and Company                I                 98.05%         35.79%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
High Yield Bond Fund......  Trussal and Company                A                 48.44%         48.41%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Donaldson Lufkin Jenrette          A                 24.46%         24.45%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Donaldson Lufkin Jenrette          B                 80.99%         78.41%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
</TABLE>
 
                                       53
<PAGE>   57
 
<TABLE>
<CAPTION>
                                                                                              PRO FORMA
                                                                                            PERCENTAGE OF
                                                                              PERCENTAGE    CLASS OF ONE
                                                           CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS             TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------  -----------------   -----------   -------------
<S>                         <C>                           <C>                 <C>           <C>
                            Trussal and Company                I                 37.44%         27.98%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                         I                 23.72%         17.73%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Inner Wharf & Co                   I                 20.96%         15.67%
                            c/o State Street Bank           Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
                            Inner Wharf & Co                   I                 15.60%         11.66%
                            c/o State Street Bank           Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
Intermediate
  Municipal Bond
  Fund....................  Donald Lufkin Jenrette             A                  5.42%          3.08%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Donaldson Lufkin Jenrette          B                 50.80%          4.15%
                            Securities Corporation Inc.     Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Eagle & Co                         I                 82.58%         36.87%
                            American National Bank          Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602
                            Trussal and Company                I                 16.63%          7.42%
                            c/o NBD Bank                    Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
</TABLE>
 
     As of December 18, 1998, the name, address and percentage of ownership of
each person who owns of record 5% or more of any class of shares of the
Continuing Pegasus Funds is listed below. Prior to the Continuing Pegasus Funds
Transaction the New One Group Funds will have only nominal assets.
 
                                       54
<PAGE>   58
 
Accordingly, the persons who own of record 5% or more of any class of shares of
the Continuing Pegasus Funds will not materially change upon consummation of the
Continuing Pegasus Funds Transaction.
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
Michigan Municipal Money
  Market Fund.............  NBD Michigan                        A                 32.05%         32.05%
                            Attn: M E Bradley                Record
                            9000 Haggerty Road
                            Belleville, MI 48111
                            Richard H. Brown                    A                 11.88%         11.88%
                            6775 3 Mile Road NE              Record
                            Ada, MI 49301-9538
                            American Plastic Toys Inc.          A                  6.30%          6.30%
                            799 Ladd Road                    Record
                            PO Box 100
                            Walled Lake, MI 48390
                            Trussal and Company                 I                 88.72%         88.72%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Inner Lake & Co.                    I                  5.94%          5.94%
                            c/o State Street Bank            Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
Cash Management Fund......  Eagle & Co                          I                 42.67%         42.67%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            First National Bank of              I                 19.97%         19.97%
                            Chicago                          Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, IL 60670-0001
                            Trussal and Company                 I                 18.85%         18.85%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Morand & Co.                        I                  7.92%          7.92%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 7
                            Chicago, IL 60602-3902
</TABLE>
 
                                       55
<PAGE>   59
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            NBD Bank NA                         S                 58.49%         58.49%
                            Attn: Mary Ellen Bradley         Record
                            9000 Haggerty Road
                            Belleville, MI 48111
                            First National Bank of              S                 24.74%         24.74%
                            Chicago                          Record
                            Cash Management Dept
                            Attn: Brian Finegan
                            Ste 0256 6th Floor
                            525 W Monroe St.
                            Chicago, IL 60661-3629
                            First National Bank of              S                 12.73%         12.73%
                            Chicago                          Record
                            Attn: Commercial Products
                            1 1st National Plaza Ste
                            0649
                            Chicago, IL 60670
Treasury Cash Management
  Fund....................  First National Bank of              I                 55.79%         55.79%
                            Chicago                          Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, IL 60670-0001
                            Eagle & Co                          I                 27.90%         27.90%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Trussal and Company                 I                  9.11%          9.11%
                            c/o NBD Company                  Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Acordia of Illinois Inc.            I                  7.20%          7.20%
                            650 E Algonquin Rd Ste 300       Record
                            Schaumburg, IL 60173-3853
                            NBD Bank NA                         S                 77.63%         77.63%
                            Attn: Mary Ellen Bradley         Record
                            9000 Haggerty Road
                            Belleville, MI 48111
                            American National Bank              S                 10.74%         10.74%
                            33 N La Salle St FL 7            Record
                            Chicago, IL 60602-2607
</TABLE>
 
                                       56
<PAGE>   60
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            First National Bank of              S                  5.28%          5.28%
                            Chicago                          Record
                            Cash Management Dept
                            Attn: Brian Finegan
                            Ste 0256 6th Floor
                            525 W Monroe St.
                            Chicago, IL 60661-3629
                            First National Bank of              S                  5.06%          5.06%
                            Chicago                          Record
                            Attn: Commercial Products
                            1 1st National Plaza Ste
                            0649
                            Chicago, IL 60670
Treasury Prime Cash
  Management Fund.........  Hella North America Holding         I                 38.67%         38.67%
                            Inc.                             Record
                            1101 Vincennes Ave
                            PO Box 398
                            Flora, IL 62839-0398
                            First National Bank of              I                 33.98%         33.98%
                            Chicago                          Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, IL 60670-0001
                            Trussal and Company                 I                 13.29%         13.29%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            First National Bank of              I                  8.24%          8.24%
                            Chicago                          Record
                            Cash Management Dept.
                            Attn: Brian Finegan
                            Ste 0256 6th Floor
                            525 W Monroe Street
                            Chicago, IL 60661-3629
                            First National Bank of              S                 39.77%         39.77%
                            Chicago                          Record
                            Cash Management Dept
                            Attn: Brian Finegan
                            Ste 0256 6th Floor
                            525 W Monroe St.
                            Chicago, IL 60661-3629
</TABLE>
 
                                       57
<PAGE>   61
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            First National Bank of              S                 21.30%         21.30%
                            Chicago                          Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            One N State St 9th Floor
                            Mail St 0126
                            Chicago, IL 60670-0126
                            First National Bank of              S                 15.60%         15.60%
                            Chicago                          Record
                            Attn: Commercial Products
                            1 1st National Plaza Ste
                            0649
                            Chicago, IL 60670
                            Morand & Co                         S                 14.90%         14.90%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
U.S. Government Securities
  Cash Management Fund....  First National Bank of              I                 87.57%         87.57%
                            Chicago                          Record
                            Corporate Trust
                            Administration
                            Attn: Cash Sweep Coordinator
                            1 F&B Plaza Ste 0126
                            Chicago, ILL 60670-0001
                            Eagle & Co                          I                  5.85%          5.85%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            First National Bank of              S                 53.28%         53.28%
                            Chicago                          Record
                            Cash Management Dept
                            Attn: Brian Finegan
                            Ste 0256 6th Floor
                            525 W Monroe St.
                            Chicago, IL 60661-3629
                            First National Bank of              S                 22.62%         22.62%
                            Chicago                          Record
                            Attn: Commercial Products
                            1 1st National Plaza Ste
                            0649
                            Chicago, IL 60670
                            Morand & Co.                        S                 13.81%         13.81%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
</TABLE>
 
                                       58
<PAGE>   62
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
Municipal Cash Management
  Fund....................  Eagle & Co                          I                 73.82%         73.82%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Morand & Co.                        I                 12.35%         12.35%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 7
                            Chicago, IL 60602-3902
                            Trussal and Company                 I                 10.59%         10.59%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            NBD Bank NA                         S                 93.54%         93.54%
                            Attn: Mary Ellen Bradley         Record
                            9000 Haggerty Road
                            Belleville, MI 48111
                            First National Bank of              S                  6.46%          6.46%
                            Chicago                          Record
                            Attn: Commercial Products
                            1 1st National Plaza Ste
                            0649
                            Chicago, IL 60670
Mid-Cap Opportunity Fund    Corelink Financial, Inc.            A                 18.65%         18.65%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
                            Trussal and Company                 A                 13.67%         13.67%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            NBD Bank TTEE                       A                  7.10%          7.10%
                            American Axle &                  Record
                            Manufacturing Inc.
                            Personal S/P Hourly Rate
                            Associates
                            900 Tower Drive
                            Troy, MI 48098
                            MAC and Company                     A                  6.79%          6.79%
                            Mutual Funds Operations          Record
                            PO Box 3198
                            Pittsburgh, PA 15230
                            Corelink Financial, Inc.            B                  8.88%          8.88%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
</TABLE>
 
                                       59
<PAGE>   63
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            Trussal and Company                 I                 77.01%         77.01%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            First Chicago NBD TTEE              I                 11.15%         11.15%
                            First Chicago NBD Svgs &         Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
                            Eagle & Co                          I                  7.97%          7.97%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Small-Cap Opportunity
  Fund....................  Trussal and Company                 A                 15.47%         15.47%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc.            A                 12.49%         12.49%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
                            NBD as Trustee                      A                 12.13%         12.13%
                            Banker Systems, Inc.             Record
                            Employees Profit Sharing
                            Plan
                            107 N. Cross Street Ste 2092
                            Wheaton, IL 60187
                            Corelink Financial, Inc.            B                 10.98%         10.98%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
                            Trussal and Company                 I                 46.45%         46.45%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                          I                 45.99%         45.99%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
Market Expansion Index
  Fund....................  Covenant Trust Company TTEE         A                 99.28%         99.28%
                            Jolene M Petersen Rev. Trust     Record
                            5101 N Francisco Ave
                            Chicago, IL 60625
</TABLE>
 
                                       60
<PAGE>   64
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            BISYS Fund Services Ohio
                            Inc.                                B                100.00%        100.00%
                            Attn: Fund Administration        Record
                            3435 Stelzer Road
                            Columbus, OH 43219
                            HOJO and Company                    I                 84.61%         84.61%
                            c/o American National Bank       Record
                            1 North La Salle Third Floor
                            Chicago, IL 60690
                            Morand & Co.                        I                 10.73%         10.73%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
International Equity Fund   Trussal and Company                 A                 21.80%         21.80%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc.            A                  5.60%          5.60%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
                            Corelink Financial, Inc.            B                 10.73%         10.73%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
                            Trussal and Company                 I                 54.10%         54.10%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co.                         I                 35.52%         35.52%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Inner Wharf & Co.                   I                  5.88%          5.88%
                            American National Bank           Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
Bond Fund.................  Trussal and Company                 A                 21.29%         21.29%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Corelink Financial, Inc.            A                  8.38%          8.38%
                            1855 Gateway Blvd Ste 500        Record
                            Concord, CA 94520
</TABLE>
 
                                       61
<PAGE>   65
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
                            Putnam Fiduciary Trust Co           A                  7.31%          7.31%
                            TTEE                             Record
                            Market Square P/S Plan
                            Attn: Lisa Doty
                            859 Willard Street
                            Quincy, MA 02269-9110
                            Putnam Fiduciary Trust Co           A                  5.96%          5.96%
                            TTEE                             Record
                            Elco Textron Inc.
                            Attn: K Barry
                            859 Willard Street
                            Quincy, MA 02269-9110
                            Trussal and Company                 I                 63.16%         63.16%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                          I                 17.79%         17.79%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
                            Inner Wharf & Co                    I                 12.39%         12.39%
                            American National Bank           Record
                            1 Heritage Drive JP2N
                            North Quincy, MA 02171
                            First Chicago NBD TTEE              I                  5.09%          5.09%
                            First Chicago NBD Svgs &         Record
                            Invsmt Pln
                            c/o Putnam Investments
                            PO Box 9740
                            Providence, RI 02940-9740
Municipal Bond Fund.......  Donald Lufkin Jenrette              A                 17.13%         17.13%
                            Securities Corporation Inc.      Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Donald Lufkin Jenrette              B                 15.17%         15.17%
                            Securities Corporation Inc.      Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Trussal and Company                 I                 67.81%         67.81%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
                            Eagle & Co                          I                 27.11%         27.11%
                            American National Bank           Record
                            Mutual Fund Processing Unit
                            1 N La Salle St FL 3
                            Chicago, IL 60602-3902
</TABLE>
 
                                       62
<PAGE>   66
 
<TABLE>
<CAPTION>
                                                                                               PRO FORMA
                                                                                             PERCENTAGE OF
                                                                               PERCENTAGE    CLASS OF ONE
                                                            CLASS OF SHARES     OF CLASS      GROUP FUND
                                      NAME AND                 OWNED AND        OWNED ON       OWNED ON
REORGANIZING PEGASUS FUND             ADDRESS              TYPE OF OWNERSHIP   RECORD DATE   CONSUMMATION
- -------------------------   ----------------------------   -----------------   -----------   -------------
<S>                         <C>                            <C>                 <C>           <C>
Short Municipal Bond
  Fund....................  Donaldson Lufkin Jenrette           A                 80.44%         80.44%
                            Securities Corporation Inc.      Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Donaldson Lufkin Jenrette           B                 99.91%         99.91%
                            Securities Corporation Inc.      Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
Michigan Municipal Bond
  Fund....................  James R. Donahey                    A                 13.71%         13.71%
                            Pat J. Donahey Jt Ten            Record
                            421 Highland
                            Ann Arbor, MI 48104
                            Donaldson Lufkin Jenrette           B                 39.21%         39.21%
                            Securities Corporation Inc.      Record
                            PO Box 2052
                            Jersey City, NJ 07303-9998
                            Trussal and Company                 I                 97.10%         97.10%
                            c/o NBD Bank                     Record
                            Attn: Pegasus Funds
                            900 Tower Drive Eighth Floor
                            Troy, MI 48098
</TABLE>
 
     For purposes of the 1940 Act, any person who owns directly or through one
or more controlled companies more than 25% of the voting securities of a company
is presumed to "control" such company. Accordingly, to the extent that a
shareholder identified in the foregoing tables is identified as the beneficial
holder of more than 25% of a class, or is identified as the holder of record of
more than 25% of a class and has voting and/or investment power, it may be
presumed to control such class.
 
     As of December 18, 1998, the trustees/directors and officers of Pegasus, as
a group, owned less than 1% of the outstanding shares of each of the Pegasus
Funds.
 
     On December 18, 1998, Trussal & Co., 9000 Haggerty Road, Belleville,
Michigan 48111, held of record the outstanding Class I Shares, as listed below,
of each investment portfolio of the Pegasus Funds as nominee of NBD Bank's Trust
Division and affiliated banks which acted as agent or custodian on behalf of
their customers. NBD Bank possessed or shared voting or investment power and may
be deemed for certain purposes to be the beneficial owner with respect to those
Class I Shares listed below at December 18, 1998.
 
<TABLE>
<CAPTION>
              PEGASUS FUND                  TRUSSAL & CO.           NBD BANK
              ------------                ------------------    -----------------
<S>                                       <C>                   <C>
Money Market Fund.......................  1,280,769,437.11            808,478,392.62
Treasury Money Market Fund..............    216,925,138.00            166,486,813.00
Municipal Money Market Fund.............    615,975,145.00            484,490,501.00
Michigan Municipal Money Market Fund....    106,922,069.00             83,067,045.00
Cash Management Fund....................    217,889,364.00            140,853,420.50
Treasury Cash Management Fund...........      2,701,199.00                300,282.00
Treasury Prime Cash Management Fund.....     18,557,837.00              4,413,497.00
U.S. Government Securities Cash
  Management Fund.......................      7,769,429.52              2,239,825.00
</TABLE>
 
                                       63
<PAGE>   67
 
<TABLE>
<CAPTION>
              PEGASUS FUND                  TRUSSAL & CO.           NBD BANK
              ------------                ------------------    -----------------
<S>                                       <C>                   <C>
Municipal Cash Management Fund..........     62,984,470.00       12,846,757.00
Managed Assets Conservative Fund........        149,720.252         147,712.68
Managed Assets Balanced Fund............      2,531,209.234       1,823,972.223
Managed Assets Growth Fund..............        104,250.46           98,027.01
Equity Income Fund......................     26,590,246.153      22,651,959.445
Growth Fund.............................     21,212,169.415      19,349,032.044
Mid-Cap Opportunity Fund................     37,347,572.185      33,263,961.135
Small-Cap Opportunity Fund..............      8,653,848.918       7,887,034.458
Intrinsic Value Fund....................     24,588,949.841      22,927,033.30
Growth and Value Fund...................     53,907,135.742      49,233,671.633
Equity Index Fund.......................     25,730,701.432      19,442,426.08
Market Expansion Index Fund.............         74,586.659          10,226.08
International Equity Fund...............     22,202,377.706      21,469,366.271
Intermediate Bond Fund..................     40,331,302.904      35,345,596.870
Bond Fund...............................     74,802,802.692      70,279,374.506
Short Bond Fund.........................     31,703,469.147      30,393,177.461
Multi Sector Bond Fund..................     39,268,239.668      36,678,680.11
High Yield Bond Fund....................      2,934,712.597       2,616,316.789
Municipal Bond Fund.....................     43,909,831.724      37,083,617.83
Short Municipal Bond Fund...............     11,426,245.897       8,489,712.530
Intermediate Municipal Bond Fund........      6,306,638.94        5,427,503.623
Michigan Municipal Bond Fund............     26,292,212.795      21,989,274.408
                                          ==================    =================
</TABLE>
 
     As of December 18, 1998, the Automated Cash Management System ("ACMS"),
9000 Haggerty Road, Belleville, Michigan 48111, held of record the following
Class I Shares on behalf of its participants (no participant owned beneficially
5% or more of such Shares):
 
<TABLE>
<CAPTION>
                                                                  PERCENT OF         PERCENT OF
                                                NUMBER OF        CLASS OWNED      FUND SHARES OWNED
               PEGASUS FUND                    SHARES HELD      ON RECORD DATE     ON RECORD DATE
               ------------                  ---------------    --------------    -----------------
<S>                                          <C>                <C>               <C>
Money Market Fund..........................           0
Treasury Money Market Fund.................  16,351,001.46           2.13%               1.47%
Municipal Money Market Fund................  24,004,004.39           3.61%               2.74%
Michigan Municipal Money Market Fund.......   3,579,918.63           2.97%               1.90%
Cash Management Fund.......................           0
Treasury Cash Management Fund..............           0
Treasury Prime Cash Management Fund........           0
U.S. Government Securities Cash............           0
Management Fund............................           0
Municipal Cash Management Fund.............           0
</TABLE>
 
                                       64
<PAGE>   68
 
     As of December 18, 1998, the name, address and percentage of ownership of
the persons who owned of record 5% or more of the outstanding shares of the
respective share classes of the Existing One Group Funds are as follows:
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Charles Schwab & Co. Inc.              Large Company Growth Fund             5.11%      Record           4.81%
Special Custody Account for the        Class A
Benefit of Customers
Attn: Mutual Funds
101 Montgomery Street
San Francisco, CA 94104-4122
 
Dean Witter For The Benefit Of         Large Company Growth Fund            11.93%      Record          11.93%
Selma J Berry & Colin G Berry JTTEN    Class C
Church St Station -- PO Box 250
New York, NY 10008-0250
 
Dean Witter Reynolds Cust For          Large Company Growth Fund             8.00%      Record           8.00%
Alvin B Wesneski                       Class C
P.O. Box 250 Church Street Station
New York, NY 10008-0250
 
Strafe & Co                            Large Company Growth Fund            89.16%      Record          55.32%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus, OH 43271-0211
 
Banc One Corporation                   Large Company Growth Fund            11.49%      Beneficial       7.13%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Banc One Sec Svgs Plan                 Large Company Growth Fund            10.40%      Beneficial       6.45%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Strafe & Co                            Disciplined Value Fund               86.61%      Record          52.63%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus, OH 43271-0211
 
Banc One Corporation                   Disciplined Value Fund               12.91%      Beneficial       7.84%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
The One Group Investor Growth Fund     Disciplined Value Fund                5.14%      Beneficial       3.12%
The One Group Services Company         Class I
3435 Stelzer Road
Columbus, OH 43219-6004
 
Dean Witter For The Benefit Of         Income Bond Fund                     11.02%      Record           5.58%
Alpert Corp Money Purchase Plan        Class A
Steven Kurtz TTEE
5 World Trade Center 6th Floor
New York, NY 10048-0205
</TABLE>
 
                                       65
<PAGE>   69
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Strafe & Co                            Income Bond Fund                     88.35%      Record          59.85%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus, OH 43271-0211
 
J Noland Singletary                    Intermediate Tax-Free Fund            6.18%      Beneficial       2.65%
7350 Bocage Blvd                       Class A
Baton Rouge LA 70809-1138
 
Dean Witter For the Benefit of         Intermediate Tax-Free Fund            6.05%      Record           2.60%
Jerome Kearns &                        Class A
PO Box 250 Church Street Station
New York, NY 10008-0250
 
Norwest Bank Co NA TTEE                Intermediate Tax-Free Fund            5.04%      Record           2.16%
FBO Eliot S Wolff                      Class A
1740 Broadway
Denver, CO 80274-0002
 
Dean Witter For The Benefit Of         Intermediate Tax-Free Fund            5.31%      Record           4.88%
Leon Morgan Trust                      Class B
C/O Leon Morgan TTEE
Church St Station -- PO Box 250
New York, NY 10013-0250
 
Strafe & Co                            Intermediate Tax-Free Fund           99.51%      Record          55.13%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus, OH 43271-0211
 
Dean Witter FBO                        Prime Money Market Fund              55.34%      Record          17.74%
Banc One Securities                    Class A
PO Box 250
Church Street Station
New York, NY 10013-0250
 
BISYS Fund Services Inc                Prime Money Market Fund              30.70%      Record           9.84%
Fbo Bank One Corporate Sweep           Class A
3435 Stelzer Road Suite 1000
Columbus OH 43219-6004
 
Strafe & Co                            Prime Money Market Fund              78.66%      Record          50.88%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Bank One Trust Company NA              Prime Money Market Fund               7.31%      Record           4.73%
Omnibus-Corporate Cash Sweep AC        Class I
Attn Cash Management DB3
235 W Schrock Rd
Westerville OH 43081-2874
</TABLE>
 
                                       66
<PAGE>   70
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
BISYS Fund Services Inc                US Treasury Securities Money         22.68%      Record          18.71%
Fbo Bank One Corporate Sweep           Market Fund
3435 Stelzer Road Suite 1000           Class A
Columbus OH 43219-6004
 
National Financial Services Corp       US Treasury Securities Money         21.46%      Record          17.70%
Fbo Our Customers                      Market Fund
200 Liberty St World Financial CT      Class A
New York, NY 10281-1003
 
BISYS Fund Services Inc                US Treasury Securities Money         20.18%      Record          16.65%
Fbo Bank One Securities                Market Fund
3435 Stelzer Road Suite 1000           Class A
Columbus OH 43219-6004
 
Dean Witter FBO                        US Treasury Securities Money         16.96%      Record          13.99%
Banc One Securities                    Market Fund
PO Box 250                             Class A
Church Street Station
New York NY 10013-0250
 
BISYS Fund Services Inc                US Treasury Securities Money         15.85%      Record          13.08%
Fbo Bank One Texas Sweep               Market Fund
Attn Mike Bryan                        Class A
3435 Stelzer Road Suite 1000
Columbus OH 43219-6004
 
State Street Bank & Trust Co           US Treasury Securities Money          8.76%      Record           8.76%
CUST for the IRA Rollover of           Market Fund
Michael R Nides                        Class B
2046A Dickory Ave
New Orleans, LA 70123-5317
 
NFSC FEBO #093-954381                  US Treasury Securities Money          7.62%      Record           7.62%
Chung Shing Chiang                     Market Fund
3337 Somerset                          Class B
New Orleans, LA 70131-5361
 
Dean Witter For the Benefit Of         US Treasury Securities Money          7.52%      Record           7.52%
Mary Sue Gilpin                        Market Fund
413 Dunmoreland Circle                 Class B
5 World Trade Center, 6th Floor
New York, NY 10048-0205
 
NFSC FEBO #AFL-668885                  US Treasury Securities Money          6.82%      Record           6.82%
FNBC Cust Collateral Acct FBO          Market Fund
Sterling H Smith                       Class B
Carolyn S Smith
PO Box 493
Amite, LA 70422
 
State Street Bank & Trust Co           US Treasury Securities Money          5.48%      Record           5.48%
Sep IRA Jeffrey S Lux                  Market Fund
2220 Justice Street                    Class B
Monroe, LA 71201-3620
</TABLE>
 
                                       67
<PAGE>   71
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Dean Witter For the Benefit Of         US Treasury Securities Money         49.78%      Record          49.78%
Martin Homes Inc Prof Shar Pln         Market Fund
PO Box 250 Church Street Station       Class C
New York, NY 10008-0250
 
Evelyn C Balser                        US Treasury Securities Money         15.72%      Beneficial      15.72%
Raymond F Balser JT TEN                Market Fund
191 Brigham Hill Rd                    Class C
North Grafton, MA 01536-1117
 
Dean Witter Reynolds Cust For          US Treasury Securities Money         12.57%      Record          12.57%
Paul E Puckett                         Market Fund
PO Box 250 Church Street Station       Class C
New York, NY 10008-0250
 
Dean Witter For The Benefit Of         US Treasury Securities Money          7.54%      Record           7.54%
Osareni Christopher Ogiesoba &         Market Fund
Margaret Iyobosa Ogiesoba JTTE         Class C
Church Street Station -- PO Box 250
New York, NY 10013-0250
 
Dean Witter For The Benefit Of         US Treasury Securities Money          7.39%      Record           7.39%
Steven R Swift &                       Market Fund
PO Box 250  -- Church Street Station   Class C
New York, NY 10008-0250
 
Strafe & Co (N)                        US Treasury Securities Money         85.30%      Record          71.66%
BOIA -- One Group Operations           Market Fund
1111 Polaris Parkway                   Class I
PO Box 710211
Columbus OH 43271-0211
 
Bank one Trust Company NA              US Treasury Securities Money         14.39%      Record          12.09%
Omnibus-Corporate Cash Sweep AC        Market Fund
Attn: Cash Management DB3              Class I
235 W Schrock Rd
Westerville OH 43081-2874
 
Dean Witter FBO                        Municipal Money Market Fund          42.88%      Record          19.01%
Banc One Securities                    Class A
PO Box 250
Church Street Station
New York NY 10013-0250
 
BISYS Fund Services Inc                Municipal Money Market Fund          25.04%      Record          11.10%
FBO Bank One Corporate Sweep           Class A
3435 Stelzer Road Suite 1000
Columbus OH 43219-6004
 
National Financial Services Corp       Municipal Money Market Fund          24.31%      Record          10.78%
FBO Our Customers                      Class A
200 Liberty St World Financial Ct
New York, NY 10281-1003
</TABLE>
 
                                       68
<PAGE>   72
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Strafe & Co                            Municipal Money Market Fund          97.32%      Record          46.49%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus, OH 43271-0211
 
DC Livestock Co Ltd Part Yea           Municipal Money Market Fund           5.53%      Beneficial       2.64%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Dean Witter For The Benefit Of         Income Equity Fund                   68.83%      Record          68.83%
McKee Char TR/Lynn A Hammond & Clare   Class C
W White Co-TTEES
Church St Station -- PO Box 250
New York NY 10013-0250
 
UMB Bank Cust Fbo                      Income Equity Fund                    6.94%      Record           6.94%
Bruce W Young IRA                      Class C
718 Sycamore Ave SPC 200
Vista CA 92083-7952
 
Dean Witter For The Benefit Of         Income Equity Fund                    5.69%      Record           5.69%
Williams Brother Construction Inc      Class C
401(K) PSP Thomas J Williams
Church St Station -- PO Box 250
New York NY 10013-0250
 
Strafe & Co                            Income Equity Fund                   92.60%      Record          35.00%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Banc One Securities Corp Fbo           Equity Index Fund                    36.52%      Record          15.69%
The One Investment Solution            Class A
733 Greencrest Dr
Westerville OH 43081-4903
 
Banc One Securities Corp Fbo           Equity Index Fund                    61.28%      Record          61.28%
The One Investment Solution            Class C
733 Greencrest Dr
Westerville OH 43081-4903
 
Strafe & Co.                           Equity Index Fund                    86.82%      Record          40.55%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Banc One Sec Svgs Plan-Equity Fund     Equity Index Fund                    32.48%      Beneficial      15.17%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
</TABLE>
 
                                       69
<PAGE>   73
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Wallace & Co                           Limited Volatility Bond Fund          6.79%      Record           3.57%
PO Box 21119                           Class A
Shreveport LA 71152-0001
 
Strafe & Co.                           Limited Volatility Bond Fund         90.20%      Record          57.26%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Banc One Securities Corp Fbo           Value Growth Fund                    22.25%      Record           6.65%
The One Investment Solution            Class A
733 Greencrest Dr
Westerville OH 43081-4903
 
Banc One Securities Corp Fbo           Value Growth Fund                    83.10%      Record          83.10%
The One Investment Solution            Class C
733 Greencrest Dr
Westerville OH 43081-4903
 
Strafe & Co.                           Value Growth Fund                    80.98%      Record          33.57%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
The One Group Investor Growth Fund     Value Growth Fund                     5.64%      Beneficial       2.34%
C/O Mark Redman                        Class I
The One Group Services Company
3435 Stelzer Road
Columbus OH 43219-6004
 
The One Group Investor Growth &        Value Growth Fund                     5.53%      Beneficial       2.29%
Income Fund                            Class I
C/O Mark Redman
The One Group Services Company
3435 Stelzer Road
Columbus OH 43219-6004
 
Banc One Securities Corp FBO           Intermediate Bond Fund               54.73%      Record          21.21%
The One Investment Solution            Class A
733 Greencrest Dr
Westerville OH 43081-4903
 
Banc One Securities Corp FBO           Intermediate Bond Fund               44.33%      Record          44.33%
The One Investment Solution            Class C
733 Greencrest Dr
Westerville OH 43081-4903
 
Dean Witter For The Benefit Of         Intermediate Bond Fund                7.15%      Record           7.15%
Dennis J Furlong &                     Class C
PO Box 250 Church Street Station
New York NY 10008-0250
</TABLE>
 
                                       70
<PAGE>   74
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Dean Witter For The Benefit Of         Intermediate Bond Fund                5.82%      Record           5.82%
Williams Brother Construction          Class C
PO Box 250 Church Street Station
New York NY 10008-0250
 
Strafe & Co.                           Intermediate Bond Fund               90.70%      Record          51.26%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Bank One TTEE                          Investor Growth Fund                  5.76%      Record           4.58%
Harrison Holding Corp 401K             Class A
C/O Banc One Investment Mgmt
Retirement Services -- Daily R K
190 Heatherdown Drive
Westerville OH 43081-2868
 
Dean Witter For The Benefit Of         Investor Growth Fund                  5.27%      Record           5.27%
William D Robertson DDS PSP            Class C
PO Box 250 Church Street Station
New York NY 10008-0250
 
Strafe & Co.                           Investor Growth Fund                 66.15%      Record          64.93%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Banc One Sec Svgs Pl -- Inv Grwth      Investor Growth Fund                 19.20%      Beneficial      18.85%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Bank One TTEE                          Investor Growth Fund                 12.29%      Record          12.06%
Brillion Iron Works P/S                Class I
C/O Banc One Investment Mgmt
Retirement Services -- Daily R K
190 Heatherdown Drive
Westerville OH 43081-2868
 
Virginia R Corrin                      Investor Growth Fund                  9.02%      Beneficial       8.85%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Dean Witter For The Benefit Of         Investor Growth & Income Fund         8.09%      Record           8.09%
St Mary's Educational Endowment        Class C
Foundation
Church St Station PO Box 250
New York NY 10013-0250
 
Dean Witter For The Benefit Of         Investor Growth & Income Fund         7.49%      Record           7.49%
Milo L Meacham Jr                      Class C
PO Box 250 Church Street Station
New York NY 10008-0250
</TABLE>
 
                                       71
<PAGE>   75
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Strafe & Co.                           Investor Growth & Income Fund        81.32%      Record          42.42%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Revco D.S., Inc. Serp -- Trust A       Investor Growth & Income Fund        14.24%      Beneficial       7.05%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Banc One Sec Svgs Plan                 Investor Growth & Income Fund        13.52%      Beneficial       4.28%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Institutional Trust Co TTEE            Investor Balanced Fund                8.21%      Record           4.57%
PBC Industrial Supplies Inc Plan       Class A
PO Box 77405
Atlanta, GA 30357-1405
 
State Street Bank & Trust Co           Investor Balanced Fund                6.60%      Record           6.60%
Cust For The IRA Rollover Of           Class C
George L Allison
768 E Indiana Ave
Spencer IN 47460-1538
 
Dean Witter For The Benefit Of         Investor Balanced Fund                6.33%      Record           6.33%
Joseph A Hess                          Class C
IRA Standard Dated 11/18/97
Church St Station -- PO Box 250
New York NY 10013-0250
 
Dean Witter For The Benefit Of         Investor Balanced Fund                5.88%      Record           5.88%
James B White & Norma J White JTTEN    Class C
Church St Station -- PO Box 250
New York NY 10013-0250
 
Strafe & Co.                           Investor Balanced Fund               82.57%      Record          70.65%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Kenosha Carpenters #161 Pens-Mgd       Investor Balanced Fund                8.34%      Beneficial       7.14%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Centennial Liquor Retirement Plan      Investor Balanced Fund                7.87%      Beneficial       6.73%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
 
Affiliated MPP                         Investor Balanced Fund                5.58%      Beneficial       4.77%
100 E Broad Street                     Class I
Columbus, OH 43215-3607
</TABLE>
 
                                       72
<PAGE>   76
 
<TABLE>
<CAPTION>
                                                                                                      PRO FORMA
                                                                                                    PERCENTAGE OF
                                                                                                    CLASS OF ONE
                                                                                                     GROUP FUND
                                                                        PERCENTAGE OF    TYPE OF      OWNED ON
NAME AND ADDRESS                                 FUND/CLASS               OWNERSHIP     OWNERSHIP   CONSUMMATION
- ----------------                                 ----------             -------------   ---------   -------------
<S>                                    <C>                              <C>             <C>         <C>
Josephine M Gibson                     High Yield Bond Fund                 95.61%      Record           1.10%
James L Gibson JR JT TEN               Class A
3636 Janlin Court
Cincinnati, OH 45211-6306
 
Dean Witter For the Benefit Of         High Yield Bond Fund                 90.43%      Record           2.98%
Charles M Westerfield &                Class B
PO Box 250 Church Street Station
New York, NY 10008-0250
 
The One Group Services Company         High Yield Bond Fund                  8.33%      Record           0.27%
C/O Fund Administration                Class B
3435 Stelzer Road
Columbus OH 43219-6004
 
Strafe & Co.                           High Yield Bond Fund                 39.68%      Record          10.05%
BOIA -- One Group Operations           Class I
1111 Polaris Parkway
PO Box 710211
Columbus OH 43271-0211
 
Banc One Corporation                   High Yield Bond Fund                 39.31%      Beneficial       9.96%
100 E. Broad Street                    Class I
Columbus, OH 43215
 
The One Group Investor Growth &        High Yield Bond Fund                 31.45%      Beneficial       7.97%
Income Fund                            Class I
C/O Mark Redman
The One Group Services Company
3435 Stelzer Road
Columbus OH 43219-6004
 
The One Group Investor Growth Fund     High Yield Bond Fund                 27.89%      Beneficial       7.07%
C/O Mark Redman                        Class I
The One Group Services Company
3435 Stelzer Road
Columbus OH 43219-6004
</TABLE>
 
     For purposes of the 1940 Act, any person who owns directly or through one
or more controlled companies more than 25% of the voting securities of a company
is presumed to "control" such company. Accordingly, to the extent that a
shareholder identified in the foregoing tables is identified as the beneficial
holder of more than 25% of a class, or is identified as the holder of record of
more than 25% of a class and has voting and/or investment power, it may be
presumed to control such class.
 
     As of December 18, 1998, the trustees and officers of One Group Funds, as a
group, owned less then 1% of the outstanding shares of the respective share
classes of each of the One Group's investment portfolios.
 
     APPRAISAL RIGHTS. Shareholders are not entitled to any rights of share
appraisal under Pegasus' Declaration of Trust or By-laws, or under the laws of
the Commonwealth of Massachusetts, in connection with the Reorganization.
Shareholders have, however, the right to redeem from Pegasus their Pegasus
Portfolio shares at net asset value until the effective time of the
Reorganization, and thereafter shareholders may redeem from One Group the shares
of the One Group Fund acquired by them in the Reorganization at net asset value.
 
                                       73
<PAGE>   77
 
     QUORUM. In the event that a quorum is not present at the Meeting, or in the
event that a quorum is present at the Meeting but sufficient votes to approve
the Reorganization Agreement and the transactions contemplated thereby are not
received, the persons named as proxies may propose one or more adjournments of
the Meeting to permit further solicitation of the proxies. Any such adjournment
will require the affirmative vote of a majority of those shares affected by the
adjournment that are represented at the Meeting in person or by proxy. If a
quorum is present, the persons named as proxies will vote those proxies which
they are entitled to vote FOR the Reorganization Agreement, in favor of such
adjournments, and will vote those proxies required to be voted AGAINST such
Proposal against any adjournment. A shareholder vote may be taken with respect
to one or more of the share classes on the Proposal prior to any such
adjournment as to which sufficient votes have been received for approval. A
quorum is constituted with respect to each of the share classes of each of the
Pegasus Portfolios by the presence in person or by proxy of the holders of more
than 50% of the outstanding shares thereof entitled to vote at the Meeting. For
purposes of determining the presence of a quorum for transacting business at the
Meeting, abstentions, but not broker "non-votes" (that is, proxies from brokers
or nominees indicating that such persons have not received instructions from the
beneficial owner or other persons entitled to vote shares on a particular matter
with respect to which the brokers or nominees do not have discretionary power),
will be treated as shares that are present at the Meeting but which have not
been voted. Abstentions and broker "non-votes" will have the effect of a "no"
vote for purposes of obtaining the requisite approval of the Proposal.
 
     ANNUAL MEETINGS. Neither One Group nor Pegasus presently intends to hold
annual meetings of shareholders for the election of trustees and other business
unless otherwise required by the 1940 Act. Under certain circumstances, however,
holders of at least 10% of the outstanding shares of Pegasus or 20% of the
outstanding shares of One Group have the right to call a meeting of
shareholders. Shareholder proposals to be considered at a meeting must be
submitted within a reasonable period of time.
 
             ADDITIONAL INFORMATION ABOUT THE ONE GROUP AND PEGASUS
 
     Information about the Existing One Group Funds is included in the
Prospectuses accompanying this Combined Prospectus/Proxy Statement, which are
incorporated by reference herein. Additional information about these Funds is
included in their Statement of Additional Information dated November 1, 1998,
which have been filed with the SEC under the Securities Act of 1933 and
Investment Company Act of 1940. The file numbers of The One Group Prospectuses
and Statements of Additional Information are Registration Numbers
002-95973/811-04236. A copy of the Statement of Additional Information may be
obtained without charge by writing The One Group Services Company at 3435
Stelzer Road, Columbus, Ohio 43219 or by calling 1-800-480-4111. Information
about Pegasus is incorporated herein by reference from its Prospectuses dated
April 30, 1998 and Statements of Additional Information, dated April 30, 1998,
copies of which may be obtained without charge by writing or calling Pegasus at
the address and telephone number shown on the cover page of this Combined
Prospectus/Proxy Statement. The SEC file numbers for the Pegasus Fund's
Prospectuses and related Statements of Additional Information are Registration
Numbers 33-13990/811-5148.
 
     The One Group and Pegasus are subject to the informational requirements of
the Securities Exchange Act of 1934 and the 1940 Act, as applicable, and, in
accordance with such requirements, files proxy materials, reports and other
information with the SEC. Reports and other information filed by One Group and
Pegasus can be inspected and copied at the Public Reference Facilities
maintained by the SEC at 450 Fifth Street, N.W., Washington, D.C. 20549, and at
the SEC's Regional Offices at 7 World Trade Center, Suite 1300, New York, New
York 10048; 500 West Madison Street, Suite 1400, Chicago, Illinois 60661; 90
Devonshire Street, Suite 700, Boston, MA 02109; and 601 Walnut Street, Suite
1005E, Philadelphia, PA 19106. Copies of such material may also be obtained from
the Public Reference Branch, Office of Consumer Affairs and Information
Services, Securities and Exchange Commission, Washington, D.C. 20549, at
prescribed rates. The SEC maintains a website (www.SEC.gov) which also contains
Prospectuses and Statements of Additional Information and other information
regarding The One Group and Pegasus.
 
                                       74
<PAGE>   78
 
                                   LITIGATION
 
     Neither Pegasus nor One Group is involved in any litigation that would have
any material adverse effect upon either the Pegasus or One Group Funds.
 
                              FINANCIAL STATEMENTS
 
     The financial highlights and financial statements for Pegasus for the
fiscal year or period ended December 31, 1997 are contained in Pegasus' Annual
Reports to Shareholders and in Pegasus' Prospectuses and Statements of
Additional Information dated April 30, 1998, each of which is incorporated by
reference into this Combined Prospectus/Proxy Statement. Unaudited financial
highlights and financial statements for the Pegasus Portfolios for the six-month
fiscal period ended June 30, 1998 are contained in Pegasus' Semi-Annual Reports
to Shareholders, which are incorporated by reference into this Combined
Prospectus/Proxy Statement. The financial highlights and the financial
statements for the Existing One Group Funds for the fiscal year ended June 30,
1998 are contained in One Group's Annual Reports to Shareholders and in One
Group's Prospectuses and Statement of Additional Information dated November 1,
1998, each of which is incorporated by reference into this Combined
Prospectus/Proxy Statement.
 
     The audited financial highlights and financial statements of Pegasus for
the fiscal year or period ended December 31, 1997, contained in Pegasus' Annual
Reports and incorporated by reference in this Combined Proxy/Prospectus, have
been incorporated herein in reliance on the report of Arthur Andersen LLP,
independent auditors, given upon the authority of such firm as experts in
accounting and auditing.
 
     The audited financial highlights and financial statements of the Existing
One Group Funds for the fiscal year ended June 30, 1998, contained in One
Group's Annual Reports and incorporated by reference in this Combined
Proxy/Prospectus, have been audited by PricewaterhouseCoopers LLP, independent
public accountants, as indicated in their reports with respect thereto and are
incorporated herein in reliance upon the authority of said firm as experts in
accounting and auditing.
 
     Unaudited pro forma combined financial statements of the Pegasus and One
Group Funds for the twelve-month period ending June 30, 1998 are included in the
Statement of Additional Information. Because the Reorganization Agreement
provides that the One Group Funds, other than the New One Group Funds, the
Income Bond Fund and the Intermediate Bond Fund, will be the surviving funds
following the Reorganization and because the One Group Funds' investment
objectives and policies will remain unchanged, the pro forma combined financial
statements reflect the transfer of assets and liabilities of each Pegasus
Portfolio to the corresponding One Group Fund as contemplated by the
Reorganization Agreement. In the case of the combinations of the Continuing
Pegasus Portfolios and the New One Group Funds, the Pegasus Multi Sector Fund
and One Group Income Bond Fund and the Pegasus Intermediate Bond Fund and One
Group Intermediate Bond Fund, the Pegasus Funds will be the survivors for
accounting purposes.
 
                                 OTHER BUSINESS
 
     Pegasus' Board of Trustees knows of no other business to be brought before
the Meeting. However, should any other matter requiring a vote of shareholders
arise, the persons named in the enclosed proxy card will vote on matters
according to their best judgment in the interest of the Trust.
 
                             SHAREHOLDER INQUIRIES
 
     Shareholder inquiries may be addressed to Pegasus in writing at the address
on the cover page of this Combined Prospectus/Proxy Statement or by telephoning
1-800-688-3350.
 
                       *               *               *
 
     SHAREHOLDERS WHO DO NOT EXPECT TO BE PRESENT AT THE MEETING ARE REQUESTED
TO MARK, SIGN AND DATE THE ENCLOSED PROXY AND RETURN IT IN THE ENCLOSED
ENVELOPE. NO POSTAGE IS REQUIRED IF MAILED IN THE UNITED STATES.
 
     PEGASUS WILL FURNISH, WITHOUT CHARGE, COPIES OF ITS DECEMBER 31, 1997
ANNUAL REPORTS AND ITS JUNE 30, 1998 SEMI-ANNUAL REPORTS TO ANY SHAREHOLDER UPON
REQUEST ADDRESSED TO: PEGASUS FUNDS P. O. BOX 5142, WESTBOROUGH, MASSACHUSETTS
01581 OR BY TELEPHONE AT 1-800-688-3350.

                                       75
<PAGE>   79
 
                                                                      APPENDIX I
 
                      AGREEMENT AND PLAN OF REORGANIZATION
 
     This Agreement and Plan of Reorganization (the "Agreement") is made as of
January 12, 1999 by and between The One Group(R), a Massachusetts business
trust, ("One Group") and Pegasus Funds, a Massachusetts business trust
("Pegasus"). The capitalized terms used herein shall have the meaning ascribed
to them in this Agreement.
 
I. PLAN OF REORGANIZATION
 
     (a) Pegasus will sell, assign, convey, transfer and deliver to One Group,
and One Group will acquire, on the Exchange Date all of the properties and
assets existing at the Valuation Time in Pegasus Money Market Fund ("Pegasus
Money Market"), Pegasus Treasury Money Market Fund ("Pegasus Treasury"), Pegasus
Municipal Money Market Fund ("Pegasus Municipal"), Pegasus Michigan Municipal
Money Market Fund ("Pegasus Michigan Money Market"), Pegasus Cash Management
Money Market Fund ("Pegasus Cash Management"), Pegasus Treasury Prime Cash
Management Money Market Fund ("Pegasus Treasury Prime Cash"), Pegasus U.S.
Government Securities Cash Management Money Market Fund ("Pegasus Government
Cash"), Pegasus Municipal Cash Management Money Market Fund ("Pegasus Municipal
Cash"), Pegasus Treasury Cash Management Fund ("Pegasus Treasury Cash"), Pegasus
Short Bond Fund ("Pegasus Short Bond"), Pegasus Intermediate Bond Fund ("Pegasus
Intermediate Bond"), Pegasus Multi Sector Bond Fund ("Pegasus Multi Sector"),
Pegasus Bond Fund ("Pegasus Bond"), Pegasus High Yield Bond Fund ("Pegasus High
Yield"), Pegasus Intermediate Municipal Bond Fund ("Pegasus Intermediate
Municipal"), Pegasus Municipal Bond Fund ("Pegasus Municipal Bond"), Pegasus
Michigan Municipal Bond Fund ("Pegasus Michigan Municipal"), Pegasus Short
Municipal Bond Fund ("Pegasus Short Municipal"), Pegasus Equity Income Fund
("Pegasus Equity Income"), Pegasus Equity Index Fund ("Pegasus Equity Index"),
Pegasus Growth and Value Fund ("Pegasus Value"), Pegasus Intrinsic Value Fund
("Pegasus Intrinsic Value"), Pegasus Growth Fund ("Pegasus Growth"), Pegasus
Mid-Cap Opportunity Fund ("Pegasus Mid-Cap"), Pegasus Small-Cap Opportunity Fund
("Pegasus Small-Cap"), Pegasus International Equity Fund ("Pegasus
International"), Pegasus Market Expansion Index Fund ("Pegasus Expansion"),
Pegasus Managed Assets Growth Fund ("Pegasus Managed Assets"), Pegasus Managed
Assets Balanced Fund ("Pegasus Managed Balanced"), and Pegasus Managed Assets
Conservative Fund ("Pegasus Managed Conservative") (Pegasus Money Market,
Pegasus Treasury, Pegasus Municipal, Pegasus Michigan Municipal, Pegasus Cash
Management, Pegasus Treasury Prime Cash, Pegasus Government Cash, Pegasus
Municipal Cash, Pegasus Treasury Cash, Pegasus Short Bond, Pegasus Intermediate
Bond, Pegasus Multi Sector, Pegasus Bond, Pegasus High Yield, Pegasus
Intermediate Municipal, Pegasus Municipal Bond, Pegasus Michigan Municipal,
Pegasus Short Municipal, Pegasus Equity Income, Pegasus Equity Index, Pegasus
Value, Pegasus Intrinsic Value, Pegasus Growth, Pegasus Mid-Cap, Pegasus
Small-Cap, Pegasus International, Pegasus Expansion, Pegasus Managed Assets,
Pegasus Managed Balanced, and Pegasus Managed Conservative, each is a "Pegasus
Fund" and are collectively the "Pegasus Funds"), such acquisition to be made by
The One Group(R) Prime Money Market Fund ("One Group(R) Prime"), The One
Group(R) U.S. Treasury Securities Money Market Fund ("One Group(R) Treasury
Securities"), The One Group(R) Municipal Money Market Fund ("One Group(R)
Municipal"), The One Group(R) Michigan Municipal Money Market Fund, ("One
Group(R) Michigan Money Market"), The One Group(R) Cash Management Money Market
Fund ("One Group(R) Cash Management"), The One Group(R) Treasury Prime Cash
Management Money Market Fund ("One Group(R) Treasury Prime Cash"), The One
Group(R) U.S. Government Securities Cash Management Money Market Fund ("One
Group(R) Government Cash"), The One Group(R) Municipal Cash Management Money
Market ("One Group(R) Municipal Cash"), The One Group(R) Treasury Cash
Management ("One Group(R) Treasury Cash"), The One Group(R) Limited Volatility
Bond Fund ("One Group(R) Limited Volatility"), The One Group(R) Intermediate
Bond Fund ("One Group(R) Intermediate Bond"), The One Group(R) Income Bond Fund
("One Group(R) Income"), The One Group(R) Bond Fund ("One Group(R) Bond"), The
One Group(R) High Yield Bond Fund ("One Group(R) High Yield"), The One Group(R)
Intermediate Tax-Free Bond Fund ("One Group(R) Intermediate Tax-Free"), The One
Group(R) Municipal
                                       I-1
<PAGE>   80
 
Bond Fund ("One Group(R) Municipal Bond"), The One Group(R) Michigan Municipal
Bond Fund ("One Group(R) Michigan Municipal"), The One Group(R) Short Municipal
Bond Fund ("One Group(R) Short Municipal"), The One Group(R) Equity Income Fund
("One Group(R) Equity Income"), The One Group(R) Equity Index Fund ("One
Group(R) Equity Index"), The One Group(R) Value Growth Fund ("One Group(R)
Value"), The One Group(R) Disciplined Value Fund ("One Group(R) Disciplined"),
The One Group(R) Large Company Growth Fund ("One Group(R) Growth"), The One
Group(R) Mid-Cap Opportunities Fund ("One Group(R) Mid-Cap"), The One Group(R)
Small Cap Opportunity Fund ("One Group(R) Small Cap"), The One Group(R)
International Equity Fund ("One Group(R) International"), The One Group(R) Small
Cap Index Fund ("One Group(R) Small Cap Index"), The One Group(R) Investor
Growth Fund ("One Group(R) Investor Growth"), The One Group(R) Investor Growth &
Income Fund ("One Group(R) Investor Income") and The One Group(R) Investor
Balanced Fund ("One Group(R) Investor Balanced") (One Group(R) Prime, One
Group(R) Treasury Securities, One Group(R) Municipal, One Group(R) Michigan
Money Market, One Group(R) Cash Management, One Group(R) Treasury Prime Cash,
One Group(R) Government Cash, One Group(R) Municipal Cash, One Group(R) Treasury
Cash, One Group(R) Limited Volatility, One Group(R) Intermediate Bond, One
Group(R) Income, One Group(R) Bond, One Group(R) High Yield, One Group(R)
Intermediate Tax-Free, One Group(R) Municipal Bond, One Group(R) Michigan
Municipal, One Group(R) Short Municipal, One Group(R) Income Equity, One
Group(R) Equity Index, One Group(R) Value, One Group(R) Disciplined, One
Group(R) Growth, One Group(R) Mid-Cap, One Group(R) Small Cap, One Group(R)
International, One Group(R) Small Cap Index, One Group(R) Investor Growth, One
Group(R) Investor Income and One Group(R) Investor Balanced, each is a "One
Group Fund" and are collectively the "One Group Funds"), respectively, of One
Group. For purposes of this Agreement the respective Pegasus Funds correspond to
the One Group Funds as follows: Pegasus Money Market corresponds to One Group(R)
Prime; Pegasus Treasury corresponds to One Group(R) Treasury Securities; Pegasus
Municipal corresponds to One Group(R) Municipal; Pegasus Michigan Money Market
corresponds to One Group(R) Michigan Money Market; Pegasus Cash Management
corresponds to One Group(R) Cash Management; Pegasus Treasury Prime Cash
corresponds to One Group(R) Treasury Prime Cash; Pegasus Government Cash
corresponds to One Group(R) Government Cash; Pegasus Municipal Cash corresponds
to One Group(R) Municipal Cash; Pegasus Treasury Cash corresponds to One
Group(R) Treasury Cash; Pegasus Short Bond corresponds to One Group(R) Limited
Volatility; Pegasus Intermediate Bond corresponds to One Group(R) Intermediate
Bond; Pegasus Multiple Sector Bond corresponds to One Group(R) Income; Pegasus
Bond corresponds to One Group(R) Bond; Pegasus High Yield corresponds to One
Group(R) High Yield; Pegasus Intermediate Municipal corresponds to One Group(R)
Intermediate Tax-Free; Pegasus Municipal Bond corresponds to One Group(R)
Municipal Bond; Pegasus Michigan Municipal corresponds to One Group(R) Michigan
Municipal; Pegasus Short Municipal corresponds to One Group(R) Short Municipal;
Pegasus Equity Income corresponds to One Group(R) Income Equity; Pegasus Equity
Index corresponds to One Group(R) Equity Index; Pegasus Value corresponds to One
Group(R) Value; Pegasus Intrinsic Value corresponds to One Group(R) Disciplined;
Pegasus Growth corresponds to One Group Growth; Pegasus Mid-Cap corresponds to
One Group(R) Mid-Cap; Pegasus Small-Cap corresponds to One Group(R) Small Cap;
Pegasus International corresponds to One Group(R) International; Pegasus
Expansion corresponds to One Group(R) Small Cap Index; Pegasus Managed Assets
corresponds to One Group(R) Investor Growth; Pegasus Managed Balanced
corresponds to One Group(R) Investor Income; and Pegasus Managed Conservative
corresponds to One Group(R) Investor Balanced. In consideration therefor, each
One Group Fund shall, on the Exchange Date, assume all of the liabilities of the
corresponding Pegasus Fund, which liabilities shall include any obligation of
the corresponding Pegasus Fund to indemnify the Trustees and officers of Pegasus
Funds to the fullest extent permitted by applicable law and by Pegasus's
Declaration of Trust, as in affect as of the date of this Agreement, and issue a
number of full and fractional One Group Class A, Class B or Class I shares of
the corresponding One Group Fund (collectively, "Shares") having an aggregate
net asset value equal to the value of all of the assets of each Pegasus Fund
transferred to the corresponding One Group Fund on such date less the value of
all of the liabilities of each Pegasus Fund assumed by the corresponding One
Group Fund on that date. It is intended that each reorganization described in
this Agreement shall be a tax-free reorganization under the Internal Revenue
Code of 1986, as amended (the "Code").
 
     (b) Upon consummation of the transactions described in paragraph (a) of
this Agreement, each Pegasus Fund shall distribute in complete liquidation to
its respective shareholders of record as of the Exchange Date
 
                                       I-2
<PAGE>   81
 
the Shares received by it, each shareholder being entitled to receive that
number of Shares equal to the proportion which the number of shares of
beneficial interest of the applicable class of the Pegasus Fund held by such
shareholder bears to the number of such shares of such class of the Pegasus Fund
outstanding on such date. Pegasus Class I, Class A and Class B shareholders will
receive One Group Class I, Class A and Class B shares, respectively. Class I and
Class S shareholders of Pegasus Cash Management, Pegasus Treasury Prime Cash,
Pegasus Government Cash, Pegasus Municipal Cash, and Pegasus Treasury Cash, will
receive Class I and Class A shares, respectively, of One Group Cash Management,
One Group Treasury Prime Cash, One Group Government Cash, One Group Municipal
Cash, and One Group Treasury Cash, respectively.
 
II. AGREEMENT
 
     One Group and Pegasus represent, warrant and agree as follows:
 
          1. REPRESENTATIONS AND WARRANTIES OF PEGASUS. Pegasus and each Pegasus
     Fund jointly and severally represent and warrant to and agree with One
     Group and each One Group Fund that:
 
             (a) Pegasus is a business trust duly established and validly
        existing under the laws of the Commonwealth of Massachusetts and has
        power to own all of its properties and assets and to carry out its
        obligations under this Agreement. Pegasus and each Pegasus Fund is not
        required to qualify as a foreign association in any jurisdiction.
        Pegasus and each Pegasus Fund has all necessary federal, state and local
        authorizations to carry on its business as now being conducted and to
        fulfill the terms of this Agreement, except as set forth in Section
        1(l).
 
             (b) Pegasus is registered under the Investment Company Act of 1940,
        as amended (the "1940 Act"), as an open-end management investment
        company, and such registration has not been revoked or rescinded and is
        in full force and effect. Each Pegasus Fund has elected to qualify and
        has qualified as a regulated investment company under Part I of
        Subchapter M of the Code, as of and since its first taxable year, and
        qualifies and intends to continue to qualify as a regulated investment
        company for its taxable year ending upon its liquidation. Each Pegasus
        Fund has been a regulated investment company under such sections of the
        Code at all times since its inception.
 
             (c) The statements of assets and liabilities, statements of
        operations, statements of changes in net assets and schedules of
        portfolio investments (indicating their market values) for each Pegasus
        Fund at and for the year ended December 31, 1997, such statements and
        schedules having been audited by Arthur Anderson, LLP, independent
        accountants to Pegasus, have been furnished to One Group. Unaudited
        statements of net assets, statement of operations, statement of changes
        in net assets, and schedules of portfolio investments for the period
        ended June 30, 1998 also have been provided to One Group.
 
             (d) The prospectuses of each Pegasus Fund dated April 30, 1998
        (collectively, the "Pegasus Prospectuses") and the Statement of
        Additional Information for the Pegasus Funds dated April 30, 1998 and on
        file with the Securities and Exchange Commission (the "Commission"),
        which have been previously furnished to One Group, did not as of their
        dates and do not as of the date hereof contain any untrue statement of a
        material fact or omit to state a material fact required to be stated
        therein or necessary to make the statements therein not misleading.
 
             (e) There are no material legal, administrative or other
        proceedings pending or, to the knowledge of Pegasus or any Pegasus Fund,
        threatened against Pegasus or any Pegasus Fund which assert liability on
        the part of Pegasus or any Pegasus Fund.
 
             (f) There are no material contracts outstanding to which Pegasus or
        any Pegasus Fund is a party, other than as disclosed in the Pegasus
        Prospectuses and the corresponding Statement of Additional Information,
        or in the Registration Statement and the Proxy Statement as defined
        herein.
 
             (g) Neither Pegasus nor any Pegasus Fund has any known liabilities
        of a material nature, contingent or otherwise, other than those shown as
        belonging to it on its above referenced statement of assets and
        liabilities as of June 30, 1998, and those incurred in the ordinary
        course of Pegasus's
 
                                       I-3
<PAGE>   82
 
        business as an investment company since that date. Prior to the Exchange
        Date, Pegasus will advise One Group of all known material liabilities,
        contingent or otherwise, incurred by it and each Pegasus Fund subsequent
        to June 30, 1998, whether or not incurred in the ordinary course of
        business.
 
             (h) As used in this Agreement, the term "Investments" shall mean
        each Pegasus Fund's investments shown on the schedule of its portfolio
        investments as of June 30, 1998 referred to in Section 1(c) hereof, as
        supplemented with such changes as Pegasus or each Pegasus Fund shall
        make after June 30, 1998, which changes have been disclosed to One
        Group, and changes made on and after the date of this Agreement after
        advising One Group of such proposed changes, and changes resulting from
        stock dividends, stock split-ups, mergers and similar corporate actions.
 
             (i) Each Pegasus Fund has filed or will file all federal and state
        tax returns which, to the knowledge of Pegasus's officers, are required
        to be filed by each Pegasus Fund and has paid or will pay all federal
        and state taxes shown to be due on said returns or on any assessments
        received by each Pegasus Fund. All tax liabilities of each Pegasus Fund
        have been adequately provided for on its books, and no tax deficiency or
        liability of any Pegasus Fund has been asserted, and no question with
        respect thereto has been raised, by the Internal Revenue Service or by
        any state or local tax authority for taxes in excess of those already
        paid.
 
             (j) As of both the Valuation Time and the Exchange Date and except
        for shareholder approval as described in Section 8(a) and otherwise as
        described in Section 1(1), Pegasus on behalf of each Pegasus Fund will
        have full right, power and authority to sell, assign, transfer and
        deliver the Investments and any other assets and liabilities of each
        Pegasus Fund to be transferred to the corresponding One Group Fund
        pursuant to this Agreement. At the Exchange Date, subject only to the
        delivery of the Investments and any such other assets and liabilities as
        contemplated by this Agreement, One Group will, on behalf of each One
        Group Fund, acquire the Investments and any such other assets subject to
        no encumbrances, liens or security interests in favor of any third party
        creditor of Pegasus or a Pegasus Fund and, except as described in
        Section 1(k), without any restrictions upon the transfer thereof.
 
             (k) No registration under the Securities Act of 1933, as amended
        (the "1933 Act"), of any of the Investments would be required if they
        were, as of the time of such transfer, the subject of a public
        distribution by either of Pegasus or One Group, except as previously
        disclosed to One Group by Pegasus in writing.
 
             (l) No consent, approval, authorization or order of any court or
        governmental authority is required for the consummation by Pegasus or
        any Pegasus Fund of the transactions contemplated by this Agreement,
        except such as may be required under the 1933 Act, the Securities
        Exchange Act of 1934, as amended (the "1934 Act"), the 1940 Act, state
        securities or blue sky laws (which term as used herein shall include the
        laws of the District of Columbia and of Puerto Rico) or the Hart-
        Scott-Rodino Antitrust Improvements Act of 1976 (the "H-S-R Act"),
        assuming that, for purposes of this representation, the Pegasus Funds
        and The One Group may be considered affiliated persons or affiliated
        persons of affiliated persons solely by reason of having a common
        investment advisor.
 
             (m) The registration statement (the "Registration Statement") filed
        with the Commission by One Group on Form N-14 relating to the Shares
        issuable hereunder, and the proxy statement of Pegasus included therein
        (the "Proxy Statement"), on the effective date of the Registration
        Statement and insofar as they relate to Pegasus and the Pegasus Funds,
        (i) will comply in all material respects with the provisions of the 1933
        Act, the 1934 Act and the 1940 Act and the rules and regulations
        thereunder and (ii) will not contain any untrue statement of a material
        fact or omit to state a material fact required to be stated therein or
        necessary to make the statements therein not misleading; and at the time
        of the shareholders' meeting referred to in Section 8(a) below and on
        the Exchange Date, the prospectus contained in the Registration
        Statement of which the Proxy Statement is a part (the "Prospectus"), as
        amended or supplemented by any amendments or supplements filed with the
        Commission by One Group, insofar as it relates to Pegasus and the
        Pegasus Funds, will not contain any untrue statement of a material fact
        or omit to state a material

                                       I-4
<PAGE>   83
 
        fact required to be stated therein or necessary to make the statements
        therein not misleading; provided, however, that the representations and
        warranties in this subsection shall apply only to statements of fact
        relating to Pegasus and any Pegasus Fund contained in the Registration
        Statement, the Prospectus or the Proxy Statement, or omissions to state
        in any thereof a material fact relating to Pegasus or any Pegasus Fund,
        as such Registration Statement, Prospectus and Proxy Statement shall be
        furnished to Pegasus in definitive form as soon as practicable following
        effectiveness of the Registration Statement and before any public
        distribution of the Prospectus or Proxy Statement.
 
             (n) All of the issued and outstanding shares of beneficial interest
        of each Pegasus Fund have been offered for sale and sold in conformity
        with all applicable federal and state securities laws.
 
             (o) Each of the Pegasus Funds is qualified, and will at all times
        through the Exchange Date qualify for taxation as a "regulated
        investment company" under Sections 851 and 852 of the Code.
 
             (p) At the Exchange Date, each of the Pegasus Funds, as One Group
        may reasonably direct via written instructions, will have sold such of
        its assets, if any, as necessary to assure that, after giving effect to
        the acquisition of the assets pursuant to this Agreement, each of the
        One Group Funds (other than One Group Michigan Money Market and One
        Group Michigan Municipal) will remain a "diversified company" within the
        meaning of Section 5(b)(l) of the 1940 Act and in compliance with such
        other mandatory investment restrictions as are set forth in the One
        Group Prospectuses previously furnished to Pegasus.
 
          2. REPRESENTATIONS AND WARRANTIES OF ONE GROUP. One Group and each One
     Group Fund jointly and severally represent and warrant to and agree with
     Pegasus and each Pegasus Fund that:
 
             (a) One Group is a business trust duly established and validly
        existing under the laws of The Commonwealth of Massachusetts and has
        power to carry on its business as it is now being conducted and to carry
        out this Agreement. One Group and each One Group Fund is not required to
        qualify as a foreign association in any jurisdiction. One Group and each
        One Group Fund has all necessary federal, state and local authorizations
        to own all of its properties and assets and to carry on its business as
        now being conducted and to fulfill the terms of this Agreement, except
        as set forth in Section 2(i).
 
             (b) One Group is registered under the 1940 Act as an open-end
        management investment company, and such registration has not been
        revoked or rescinded and is in full force and effect. Each One Group
        Fund that has had active operations prior to the Exchange Date, has
        elected to qualify and has qualified as a regulated investment company
        under Part I of Subchapter M of the Code, as of and since its first
        taxable year, and qualifies and intends to continue to qualify as a
        regulated investment company for its taxable year ending June 30, 1999.
        Each One Group Fund that has had active operations prior to the Exchange
        Date, has been a regulated investment company under such sections of the
        Code at all times since its inception. Each One Group Fund that has not
        had active operations prior to the Exchange Date intends to qualify as a
        regulated investment company under Part I of Subchapter M under the
        Code.
 
             (c) The statements of assets and liabilities, statements of
        operations, statements of changes in net assets and schedules of
        portfolio investments (indicating their market values) for each One
        Group Fund for the year ended June 30, 1998, such statements and
        schedules having been audited by PricewaterhouseCoopers LLP, independent
        accountants to One Group, have been furnished to Pegasus. Such
        statements of assets and liabilities and schedules fairly present the
        financial position of the One Group Funds as of their respective dates,
        and said statements of operations and changes in net assets fairly
        reflect the results of its operations and changes in financial position
        for the periods covered thereby in conformity with generally accepted
        accounting principles.
 
             (d) The prospectuses of each One Group Fund dated November 1, 1998,
        (collectively, the "One Group Prospectuses"), and the Statement of
        Additional Information for the One Group
 
                                       I-5
<PAGE>   84
 
        Funds, dated November 1, 1998, and on file with the Commission, which
        have been previously furnished to Pegasus, did not as of their dates and
        do not as of the date hereof contain any untrue statement of a material
        fact or omit to state a material fact required to be stated therein or
        necessary to make the statements therein not misleading.
 
             (e) There are no material legal, administrative or other
        proceedings pending or, to the knowledge of One Group or any One Group
        Fund, threatened against One Group or any One Group Fund which assert
        liability on the part of One Group or any One Group Fund.
 
             (f) There are no material contracts outstanding to which One Group
        or any One Group Fund is a party, other than as disclosed in the One
        Group Prospectuses and the corresponding Statement of Additional
        Information or in the Registration Statement and the Proxy Statement.
 
             (g) Neither One Group nor any One Group Fund has any known
        liabilities of a material nature, contingent or otherwise, other than
        those shown as belonging to it on its above referenced statement of
        assets and liabilities as of June 30, 1998 referred to above and those
        incurred in the ordinary course of the business of One Group as an
        investment company or any One Group Fund since such date. Prior to the
        Exchange Date, One Group will advise Pegasus of all known material
        liabilities, contingent or otherwise, incurred by it and each One Group
        Fund subsequent to June 30, 1998, whether or not incurred in the
        ordinary course of business.
 
             (h) Each One Group Fund has filed or will file all federal and
        state tax returns which, to the knowledge of One Group's officers, are
        required to be filed by each One Group Fund and has paid or will pay all
        federal and state taxes shown to be due on said returns or on any
        assessments received by each One Group Fund. All tax liabilities of each
        One Group Fund have been adequately provided for on its books, and no
        tax deficiency or liability of any One Group Fund has been asserted, and
        no question with respect thereto has been raised, by the Internal
        Revenue Service or by any state or local tax authority for taxes in
        excess of those already paid.
 
             (i) No consent, approval, authorization or order of any
        governmental authority is required for the consummation by One Group or
        any One Group Fund of the transactions contemplated by this Agreement,
        except such as may be required under the 1933 Act, the 1934 Act, the
        1940 Act, state securities or Blue Sky laws or the H-S-R Act.
 
             (j) As of both the Valuation Time and the Exchange Date and
        otherwise as described in Section 2(i), One Group on behalf of each One
        Group Fund will have full right, power and authority to purchase the
        Investments and any other assets and assume the liabilities of each
        Pegasus Fund to be transferred to the corresponding One Group Fund
        pursuant to this Agreement.
 
             (k) The Registration Statement, the Prospectus and the Proxy
        Statement, on the effective date of the Registration Statement and
        insofar as they relate to One Group and the One Group Funds: (i) will
        comply in all material respects with the provisions of the 1933 Act, the
        1934 Act and the 1940 Act and the rules and regulations thereunder and
        (ii) will not contain any untrue statement of a material fact or omit to
        state a material fact required to be stated therein or necessary to make
        the statements therein not misleading; and at the time of the
        shareholders' meeting referred to in Section 8(a) and at the Exchange
        Date, the Prospectus, as amended or supplemented by any amendments or
        supplements filed with the Commission by One Group or any One Group
        Fund, will not contain any untrue statement of a material fact or omit
        to state a material fact required to be stated therein or necessary to
        make the statements therein not misleading; provided, however, that none
        of the representations and warranties in this subsection shall apply to
        statements in or omissions from the Registration Statement, the
        Prospectus or the Proxy Statement made in reliance upon and in
        conformity with information furnished by Pegasus or any Pegasus Fund for
        use in the Registration Statement, the Prospectus or the Proxy
        Statement.
 
             (l) Shares to be issued to each Pegasus Fund have been duly
        authorized and, when issued and delivered pursuant to this Agreement and
        the Prospectus, will be legally and validly issued and will
 
                                       I-6
<PAGE>   85
 
        be fully paid and nonassessable by One Group and no shareholder of One
        Group will have any preemptive right of subscription or purchase in
        respect thereof.
 
             (m) The issuance of Shares pursuant to this Agreement will be in
        compliance with all applicable federal and state securities laws.
 
             (n) Each One Group Fund that has had active operations prior to the
        Exchange Date is qualified and will at all times through the Exchange
        Date qualify for taxation as a "regulated investment company" under
        Sections 851 and 852 of the Code. Each One Group Fund that has not had
        active operations prior to the Exchange Date, upon the filing of its
        first income tax return at the completion of its first taxable year will
        elect to be a regulated investment company and until such time will take
        all steps necessary to ensure qualification as a regulated investment
        company.
 
          3. REORGANIZATION. (a) Subject to the requisite shareholder approval
     as described in Section 8(a) and to the other terms and conditions
     contained herein (including each Pegasus Fund's obligation to distribute to
     its respective shareholders all of its investment company taxable income
     and net capital gain as described in Section 9(k) hereof), Pegasus and each
     Pegasus Fund agree to sell, assign, convey, transfer and deliver to the
     corresponding One Group Fund, and One Group and each One Group Fund agree
     to acquire from the corresponding Pegasus Fund, on the Exchange Date all of
     the Investments and all of the cash and other assets of each Pegasus Fund
     in exchange for that number of Shares of the corresponding One Group Fund
     provided for in Section 4 and the assumption by the corresponding One Group
     Fund of all the liabilities of the Pegasus Fund. Pursuant to this
     Agreement, each Pegasus Fund will, as soon as practicable after the
     Exchange Date, distribute in liquidation all of the Shares received by it
     to its shareholders in exchange for their shares of beneficial interest of
     such Pegasus Fund.
 
             (b) Pegasus, on behalf of each Pegasus Fund, will pay or cause to
        be paid to the corresponding One Group Fund any interest and cash
        dividends received by it on or after the Exchange Date with respect to
        the Investments transferred to the One Group Funds hereunder. Pegasus,
        on behalf of each Pegasus Fund, will transfer to the corresponding One
        Group Fund any rights, stock dividends or other securities received by
        Pegasus or any Pegasus Fund after the Exchange Date as stock dividends
        or other distributions on or with respect to the Investments
        transferred, which rights, stock dividends and other securities shall be
        deemed included in the assets transferred to each One Group Fund at the
        Exchange Date and shall not be separately valued, in which case any such
        distribution that remains unpaid as of the Exchange Date shall be
        included in the determination of the value of the assets of the Pegasus
        Fund acquired by the corresponding One Group Fund.
 
          4. EXCHANGE DATE; VALUATION TIME. On the Exchange Date, One Group will
     deliver to Pegasus a number of Shares having an aggregate net asset value
     equal to the value of the assets of the corresponding Pegasus Fund acquired
     by each One Group Fund, less the value of the liabilities of such Pegasus
     Fund assumed, determined as hereafter provided in this Section 4.
 
             (a) Subject to Section 4(d) hereof, the value of each Pegasus
        Fund's net assets will be computed as of the Valuation Time using the
        valuation procedures for the corresponding One Group Fund as set forth
        in the One Group Prospectus for the particular One Group Fund.
 
             (b) Subject to Section 4(d) hereof, the net asset value of a share
        of each One Group Fund will be determined to the nearest full cent as of
        the Valuation Time, using the valuation procedures set forth in the One
        Group Prospectus for the particular One Group Fund.
 
             (c) Subject to Section 4(d), the Valuation Time shall be 4:00 p.m.
        Eastern Standard time on FRIDAY, MARCH 19, 1999, for all Pegasus and One
        Group Funds other than Pegasus Cash Management, Pegasus Treasury Prime
        Cash, Pegasus Government Cash, Pegasus Municipal Cash, Pegasus Treasury
        Cash, One Group Cash Management, One Group Treasury Prime Cash, One
        Group Government Cash, One Group Municipal Cash, One Group Treasury
        Cash, and FRIDAY, MARCH 26, 1999, for Pegasus Cash Management, Pegasus
        Treasury Prime Cash, Pegasus Government Cash, Pegasus Municipal Cash,
        Pegasus Treasury Cash, One Group Cash Management, One
 
                                       I-7
<PAGE>   86
 
        Group Treasury Prime Cash, One Group Government Cash, One Group
        Municipal Cash, and One Group Treasury Cash or such earlier or later day
        as may be mutually agreed upon in writing by the parties hereto (the
        "Valuation Time").
 
             (d) No formula will be used to adjust the net asset value of any
        Pegasus Fund or One Group Fund to take into account differences in
        realized and unrealized gains and losses.
 
             (e) Each One Group Fund shall issue its Shares to the corresponding
        Pegasus Fund on one share deposit receipt per class registered in the
        name of the corresponding Pegasus Fund. Each Pegasus Fund shall
        distribute in liquidation the Shares received by it hereunder pro rata
        to its shareholders of each class of shares by redelivering such share
        deposit receipt to One Group's transfer agent which will as soon as
        practicable set up open accounts for each Pegasus Fund shareholder in
        accordance with written instructions furnished by Pegasus.
 
             (f) Each One Group Fund shall assume all liabilities of the
        corresponding Pegasus Fund, whether accrued or contingent, in connection
        with the acquisition of assets and subsequent dissolution of the
        corresponding Pegasus Fund or otherwise, except that recourse for
        assumed liabilities relating to a particular Pegasus Fund will be
        limited to the corresponding One Group Fund.
 
          5. EXPENSES, FEES, ETC. (a) Subject to subsections 5(b) through 5 (e),
     all fees and expenses, including accounting expenses, portfolio transfer
     taxes (if any) or other similar expenses incurred in connection with the
     consummation by One Group and Pegasus of the transactions contemplated by
     this Agreement will be paid by the party directly incurring such fees and
     expenses, except that the costs of proxy materials and proxy solicitation
     will be borne by Banc One Investment Advisors Corporation; provided,
     however, that such expenses will in any event be paid by the party directly
     incurring such expenses if and to the extent that the payment by the other
     party of such expenses would result in the disqualification of any One
     Group Fund or any Pegasus Fund, as the case may be, as a "regulated
     investment company" within the meaning of Section 851 of the Code.
 
             (b) In the event the transactions contemplated by this Agreement
        are not consummated by reason of Pegasus being either unwilling or
        unable to go forward (other than by reason of the nonfulfillment or
        failure of any condition to Pegasus's obligations referred to in Section
        8(a) or Section 10) Pegasus shall pay directly all reasonable fees and
        expenses incurred by One Group in connection with such transactions,
        including, without limitation, legal, accounting and filing fees.
 
             (c) In the event the transactions contemplated by this Agreement
        are not consummated by reason of One Group being either unwilling or
        unable to go forward (other than by reason of the nonfulfillment or
        failure of any condition to One Group's obligations referred to in
        Section 8(a) or Section 9), One Group shall pay directly all reasonable
        fees and expenses incurred by Pegasus in connection with such
        transactions, including without limitation legal, accounting and filing
        fees.
 
             (d) In the event the transactions contemplated by this Agreement
        are not consummated for any reason other than (i) One Group or Pegasus
        being either unwilling or unable to go forward or (ii) the
        nonfulfillment or failure of any condition to Pegasus or One Group's
        obligations referred to in Section 8(a), Section 9 or Section 10 of this
        Agreement, then each of Pegasus and One Group shall bear the expenses it
        has actually incurred in connection with such transactions as specified
        in Section 5 of this Agreement.
 
             (e) Notwithstanding any other provisions of this Agreement, if for
        any reason the transactions contemplated by this Agreement are not
        consummated, no party shall be liable to the other party for any damages
        resulting therefrom, including without limitation consequential damages,
        except as specifically set forth above.
 
          6. PERMITTED ASSETS. One Group agrees to advise Pegasus promptly if at
     any time prior to the Exchange Date the assets of any Pegasus Fund include
     any assets that the corresponding One Group Fund is not permitted, or
     reasonably believes to be unsuitable for it, to acquire, including without

                                       I-8
<PAGE>   87
 
     limitation any security that, prior to its acquisition by any Pegasus Fund,
     One Group has informed Pegasus is unsuitable for the corresponding One
     Group Fund to acquire.
 
          7. EXCHANGE DATE. Delivery of the assets of the Pegasus Funds to be
     transferred, assumption of the liabilities of the Pegasus Funds to be
     assumed, and the delivery of Shares to be issued shall be made at the
     offices of Banc One Investment Advisors Corporation at 9:00 a.m. on MONDAY,
     MARCH 22, 1999, for all Pegasus and One Group Funds other than, Pegasus
     Cash Management, Pegasus Treasury Prime Cash, Pegasus Government Cash,
     Pegasus Municipal Cash, Pegasus Treasury Cash, One Group(R) Cash
     Management, One Group(R) Treasury Prime Cash, One Group(R) Government Cash,
     One Group(R) Municipal Cash, One Group(R) Treasury Cash, and MONDAY, MARCH
     29, 1999, for Pegasus Cash Management, Pegasus Treasury Prime Cash, Pegasus
     Government Cash, Pegasus Municipal Cash, Pegasus Treasury Cash, One
     Group(R) Cash Management, One Group(R) Treasury Prime Cash, One Group(R)
     Government Cash, One Group(R) Municipal Cash, and One Group(R) Treasury
     Cash or at such other time and date agreed to by Pegasus and One Group, the
     date and time upon which such delivery is to take place being referred to
     herein as the "Exchange Date."
 
          8. SPECIAL MEETING OF SHAREHOLDERS; DISSOLUTION. (a) Pegasus agrees to
     call a special meeting of the shareholders of each Pegasus Fund as soon as
     is practicable after the effective date of the Registration Statement for
     the purpose of considering the sale of all of the assets of each Pegasus
     Fund to and the assumption of all of the liabilities of each Pegasus Fund
     by the corresponding One Group Fund as herein provided, adopting this
     Agreement, and authorizing the liquidation and dissolution of any Pegasus
     Fund, and, except as set forth in Section 13, it shall be a condition to
     the obligations of each of the parties hereto that the holders of the
     shares of beneficial interest of each Pegasus Fund, and each class of
     shares of each Pegasus Fund if such is required under the 1940 Act, shall
     have approved this Agreement and the transactions contemplated herein in
     the manner required by law and Pegasus's Declaration of Trust at such a
     meeting on or before the Valuation Time.
 
             (b) Pegasus and each Pegasus Fund agree that the liquidation and
        dissolution of each Pegasus Fund will be effected in the manner provided
        in Pegasus's Declaration of Trust in accordance with applicable law, and
        that it will not make any distributions of any Shares to the
        shareholders of a Pegasus Fund without first paying or adequately
        providing for the payment of all of such Pegasus Fund's known debts,
        obligations and liabilities.
 
             (c) Each of One Group and Pegasus will cooperate with the other,
        and each will furnish to the other the information relating to itself
        required by the 1933 Act, the 1934 Act and the 1940 Act and the rules
        and regulations thereunder to be set forth in the Registration
        Statement, including the Prospectus and the Proxy Statement.
 
          9. CONDITIONS TO ONE GROUP'S OBLIGATIONS. The obligations of One Group
     and each One Group Fund hereunder shall be subject to the following
     conditions:
 
             (a) That this Agreement shall have been adopted and the
        transactions contemplated hereby, including the liquidation and
        dissolution of the Pegasus Funds, shall have been approved as set forth
        in Section 8(a).
 
             (b) Pegasus shall have furnished to One Group a statement of each
        Pegasus Fund's assets and liabilities, with values determined as
        provided in Section 4 of this Agreement, together with a list of
        Investments with their respective tax costs, all as of the Valuation
        Time, certified on Pegasus's behalf by its President (or any Vice
        President) and Treasurer, and a certificate of both such officers, dated
        the Exchange Date, to the effect that as of the Valuation Time and as of
        the Exchange Date there has been no material adverse change in the
        financial position of any Pegasus Fund since June 30, 1998, other than
        changes in the Investments since that date or changes in the market
        value of the Investments, or changes due to net redemptions of shares of
        the Pegasus Funds, dividends paid or losses from operations.
 
                                       I-9
<PAGE>   88
 
             (c) As of the Valuation Time and as of the Exchange Date, all
        representations and warranties of Pegasus and each Pegasus Fund made in
        this Agreement are true and correct in all material respects as if made
        at and as of such dates, Pegasus and each Pegasus Fund has complied with
        this Agreement and satisfied all the conditions on its part to be
        performed or satisfied at or prior to each of such dates, and Pegasus
        shall have furnished to One Group a statement, dated the Exchange Date,
        signed by Pegasus's President (or any Vice President) and Treasurer
        certifying those facts as of such dates.
 
             (d) Pegasus shall have delivered to One Group a letter from Arthur
        Andersen, LLP dated the Exchange Date stating that such firm prepared
        the federal and state income tax returns of each Pegasus Fund for the
        year ended December 31, 1997, and will prepare the Federal and state
        income tax returns of each Pegasus Fund for the year ended December 31,
        1998.
 
             (e) There shall not be any material litigation pending with respect
        to the matters contemplated by this Agreement.
 
             (f) One Group shall have received an opinion of Drinker Biddle &
        Reath LLP, in form reasonably satisfactory to One Group and dated the
        Exchange Date, to the effect that (i) Pegasus is a business trust duly
        established and validly existing under the laws of the Commonwealth of
        Massachusetts, and neither Pegasus nor any Pegasus Fund is, to the
        knowledge of such counsel, required to qualify to do business as a
        foreign association in any jurisdiction, (ii) this Agreement has been
        duly authorized, executed, and delivered by Pegasus and, assuming that
        the Registration Statement, the Prospectus and the Proxy Statement
        comply with the 1933 Act, the 1934 Act and the 1940 Act and assuming due
        authorization, execution and delivery of this Agreement by One Group, is
        a valid and binding obligation of Pegasus subject to applicable
        bankruptcy, insolvency, fraudulent conveyance and similar laws or court
        decisions regarding enforcement of creditors' rights generally, (iii)
        Pegasus and each Pegasus Fund has power to sell, assign, convey,
        transfer and deliver the Investments and other assets contemplated
        hereby and, upon consummation of the transactions contemplated hereby in
        accordance with the terms of this Agreement, Pegasus and each Pegasus
        Fund will have duly sold, assigned, conveyed, transferred and delivered
        such Investments and other assets to One Group, (iv) the execution and
        delivery of this Agreement did not, and the consummation of the
        transactions contemplated hereby will not, violate Pegasus's Declaration
        of Trust, or Bylaws, as amended, the current Pegasus Prospectus and
        Statement of Additional Information, or any provision of any agreement
        known to such counsel to which Pegasus or any Pegasus Fund is a party or
        by which it is bound, it being understood that with respect to
        investment restrictions as contained in Pegasus's Declaration of Trust,
        or Bylaws, or then-current prospectus or statement of additional
        information of each Pegasus Fund, such counsel may rely upon a
        certificate of an officer of Pegasus whose responsibility it is to
        advise Pegasus with respect to such matters and (v) no consent,
        approval, authorization or order of any court or governmental authority
        is required for the consummation by Pegasus or any Pegasus Fund of the
        transactions contemplated herein, except such as have been obtained
        under the 1933 Act, the 1934 Act and the 1940 Act and such as may be
        required under state securities or blue sky laws and the H-S-R Act, and
        it being understood that such opinion shall not be deemed to apply to
        One Group's compliance obligations under the 1933 Act, 1934 Act, 1940
        Act, state securities or blue sky laws and H-S-R Act. For purposes of
        analysis regarding the 1940 Act, Drinker Biddle & Reath LLP may assume
        as fact that the Pegasus Funds and the One Group Funds may be considered
        affiliated persons or affiliated persons of an affiliated person solely
        by reason of having a common investment adviser.
 
             (g) One Group shall have received an opinion of Ropes & Gray,
        counsel to One Group addressed to The One Group and each One Group Fund,
        in form reasonably satisfactory to One Group and dated the Exchange
        Date, to the effect that for Federal income tax purposes (i) no gain or
        loss will be recognized by any Pegasus Fund upon the transfer of the
        assets to the corresponding One Group Fund in exchange for Shares and
        the assumption by such One Group Fund of the liabilities of the Pegasus
        Fund; (ii) no gain or loss will be recognized by the shareholders of any
        Pegasus Fund upon the exchange of their shares for Shares; (iii) the
        basis of the Shares a Pegasus

                                      I-10
<PAGE>   89
 
        shareholder receives in connection with the transaction will be the same
        as the basis of his or her Pegasus Fund shares exchanged therefor; (iv)
        a Pegasus shareholder's holding period for his or her Shares will be
        determined by including the period for which he or she held the Pegasus
        Fund shares exchanged therefor, provided that he or she held such
        Pegasus Fund shares as capital assets; (v) no gain or loss will be
        recognized by any One Group Fund upon the receipt of the assets of the
        corresponding Pegasus Fund in exchange for Shares and the assumption by
        the One Group Fund of the liabilities of the corresponding Pegasus Fund;
        (vi) the basis in the hands of the One Group Fund of the assets of the
        corresponding Pegasus Fund transferred to the One Group Fund in the
        transaction will be the same as the basis of the assets in the hands of
        the corresponding Pegasus Fund immediately prior to the transfer; and
        (vii) the holding periods of the assets of the corresponding Pegasus
        Fund in the hands of the One Group Fund will include the periods for
        which such assets were held by the corresponding Pegasus Fund provided,
        that with respect to Pegasus Money Market, Pegasus Treasury, Pegasus
        Municipal, Pegasus Michigan Municipal, Pegasus Cash Management, Pegasus
        Treasury Prime Cash, Pegasus Government Cash, Pegasus Municipal Cash,
        Pegasus Treasury Cash, One Group(R) Prime, One Group(R) Treasury
        Securities, One Group(R) Municipal, One Group(R) Michigan Money Market,
        One Group(R) Cash Management, One Group(R) Treasury Prime Cash, One
        Group(R) Government Cash, One Group(R) Municipal Cash, and One Group(R)
        Treasury Cash (the "Money Market Funds"), One Group shall seek an
        opinion from Ropes & Gray with respect to Federal income tax matters
        enumerated in this Section 9(g), but receipt of such opinion with
        respect to the Money Market Funds shall not be a condition to the
        transaction.
 
             (h) The assets of each Pegasus Fund to be acquired by the
        corresponding One Group Fund will include no assets which the
        corresponding One Group Fund, by reason of limitations contained in its
        Declaration of Trust or of investment restrictions disclosed in the One
        Group Prospectuses in effect on the Exchange Date, may not properly
        acquire.
 
             (i) The Registration Statement shall have become effective under
        the 1933 Act and applicable blue sky provisions, and no stop order
        suspending such effectiveness shall have been instituted or, to the
        knowledge of One Group contemplated by the Commission and or any state
        regulatory authority.
 
             (j) All proceedings taken by Pegasus in connection with the
        transactions contemplated by this Agreement and all documents incidental
        thereto reasonably shall be satisfactory in form and substance to One
        Group.
 
             (k) Prior to the Exchange Date, each Pegasus Fund shall have
        declared a dividend or dividends which, together with all previous such
        dividends, shall have the effect of distributing to its shareholders all
        of its investment company taxable income for its taxable year ended
        December 31, 1998 and the short taxable year beginning on January 1,
        1999 and ending on the Exchange Date (computed without regard to any
        deduction for dividends paid), and all of its net capital gain realized
        in its taxable year ended December 31, 1998 and the short taxable year
        beginning on January 1, 1999 and ending on the Exchange Date (after
        reduction for any capital loss carryover).
 
             (l) Pegasus shall have furnished to One Group a certificate, signed
        by the President (or any Vice President) and the Treasurer of Pegasus,
        as to the tax cost to One Group of the securities delivered to One Group
        pursuant to this Agreement, together with any such other evidence as to
        such tax cost as One Group may reasonably request.
 
             (m) Pegasus's custodian shall have delivered to One Group a
        certificate identifying all of the assets of each Pegasus Fund held by
        such custodian as of the Valuation Time.
 
             (n) Pegasus's transfer agent shall have provided to One Group (i)
        the originals or true copies of all of the records of each Pegasus Fund
        in the possession of such transfer agent as of the Exchange Date, (ii) a
        certificate setting forth the number of shares of each class of Pegasus
        Fund outstanding as of the Valuation Time and (iii) the name and address
        of each holder of record of any such shares of each Pegasus Fund and the
        number of shares of each class held of record by each such shareholder.
 
                                      I-11
<PAGE>   90
 
             (o) All of the issued and outstanding shares of beneficial interest
        of each Pegasus Fund shall have been offered for sale and sold in
        conformity with all applicable federal or state securities or blue sky
        laws and, to the extent that any audit of the records of Pegasus or any
        Pegasus Fund or its transfer agent by One Group or its agents shall have
        revealed otherwise, either (i) Pegasus and each Pegasus Fund shall have
        taken all actions that in the reasonable opinion of One Group, are
        necessary to remedy any prior failure on the part of Pegasus to have
        offered for sale and sold such shares in conformity with such laws or
        (ii) Pegasus shall have furnished (or caused to be furnished) surety, or
        deposited (or caused to be deposited) assets in escrow, for the benefit
        of One Group in amounts sufficient and upon terms satisfactory, in the
        opinion of One Group, to indemnify One Group against any expense, loss,
        claim, damage or liability whatsoever that may be asserted or threatened
        by reason of such failure on the part of Pegasus to have offered and
        sold such shares in conformity with such laws.
 
             (p) Pegasus shall have duly executed and delivered to One Group
        bills of sale, assignments, certificates and other instruments of
        transfer ("Transfer Documents") as One Group may deem necessary or
        desirable to transfer all of Pegasus's and each Pegasus Fund's entire
        right, title and interest in and to the Investments and all other assets
        of each Pegasus Fund.
 
          10. CONDITIONS TO PEGASUS' OBLIGATIONS. The obligations of Pegasus and
     each Pegasus Fund hereunder shall be subject to the following conditions:
 
             (a) This Agreement shall have been adopted and the transactions
        contemplated hereby, including the liquidation and dissolution of the
        Pegasus Funds, shall have been approved as described in Section 8(a).
 
             (b) One Group shall have furnished to Pegasus a Statement of each
        One Group Fund's net assets, together with a list of portfolio holdings
        with values determined as provided in Section 4, all as of the Valuation
        Time, certified on One Group's behalf by its President (or any Vice
        President) and Treasurer (or any Assistant Treasurer), and a certificate
        of both such officers, dated the Exchange Date, to the effect that as of
        the Valuation Time and as of the Exchange Date there has been no
        material adverse change in the financial position of any One Group Fund
        since June 30, 1998, other than changes in its portfolio securities
        since that date, changes in the market value of its portfolio
        securities, changes due to net redemptions, dividends paid or losses
        from operations.
 
             (c) One Group shall have executed and delivered to Pegasus an
        Assumption of Liabilities Certificate and other instruments as Pegasus
        may deem necessary and desirable dated as of the Exchange Date pursuant
        to which each One Group Fund will assume all of the liabilities of the
        corresponding Pegasus Fund existing at the Valuation Time in connection
        with the transactions contemplated by this Agreement.
 
             (d) As of the Valuation Time and as of the Exchange Date, all
        representations and warranties of One Group and each One Group Fund made
        in this Agreement are true and correct in all material respects as if
        made at and as of such dates, One Group and each One Group Fund has
        complied with all of the agreements and satisfied all of the conditions
        on its part to be performed or satisfied at or prior to each of such
        dates, and One Group shall have furnished to Pegasus a statement, dated
        the Exchange Date, signed by One Group's President (or any Vice
        President) and Treasurer certifying those facts as of such dates.
 
             (e) There shall not be any material litigation pending with respect
        to the matters contemplated by this Agreement.
 
             (f) Pegasus shall have received an opinion of Ropes & Gray, in form
        reasonably satisfactory to Pegasus and dated the Exchange Date, to the
        effect that (i) One Group is a business trust and validly existing in
        conformity with the laws of the Commonwealth of Massachusetts, and, (to
        the knowledge of such counsel), neither One Group nor any One Group Fund
        is required to qualify to do business as a foreign association in any
        jurisdiction, (ii) the Shares to be delivered to Pegasus as provided for
        by this Agreement are duly authorized and upon such delivery will be
        validly issued and
                                      I-12
<PAGE>   91
 
        will be fully paid and nonassessable by One Group and no shareholder of
        One Group has any preemptive right to subscription or purchase in
        respect thereof, (iii) this Agreement has been duly authorized, executed
        and delivered by One Group and, assuming that the Prospectus, the
        Registration Statement and the Proxy Statement comply with the 1933 Act,
        the 1934 Act and the 1940 Act and assuming due authorization, execution
        and delivery of this Agreement by Pegasus, is a valid and binding
        obligation of One Group, (iv) One Group and each One Group Fund has the
        power to acquire and assume all of the liabilities of Pegasus and the
        Pegasus Funds and, upon consummation of the transactions contemplated
        hereby in accordance with the terms of this Agreement, One Group and
        each respective One Group Fund shall have duly acquired and assumed such
        liabilities, (v) the execution and delivery of this Agreement did not,
        and the consummation of the transactions contemplated hereby will not,
        violate One Group's Declaration of Trust, as amended, or Code of
        Regulations, One Group's current Prospectus and Statement of Additional
        Information, or any provision of any agreement known to such counsel to
        which One Group or any One Group Fund is a party or by which it is
        bound, it being understood that with respect to investment restrictions
        as contained in One Group's Declaration of Trust, as amended, Code of
        Regulations or then-current prospectus or statement of additional
        information of each One Group Fund, such counsel may rely upon a
        certificate of an officer of One Group whose responsibility it is to
        advise One Group with respect to such matters, (vi) no consent,
        approval, authorization or order of any court or governmental authority
        is required for the consummation by One Group or any One Group Fund of
        the transactions contemplated herein, except such as have been obtained
        under the 1933 Act, the 1934 Act and the 1940 Act and such as may be
        required under state securities or blue sky laws and the H-S-R Act and
        it being understood that such opinion shall not be deemed to apply to
        Pegasus's compliance obligations under the 1933 Act, 1934 Act, 1940 Act,
        state securities or blue sky laws and the H-S-R Act; and (vii) the
        Registration Statement has become effective under the 1933 Act, and to
        the best of the knowledge of such counsel, no stop order suspending the
        effectiveness of the Registration Statement has been issued and no
        proceedings for that purpose have been instituted or are pending or
        contemplated under the 1933 Act.
 
             (g) Pegasus shall have received an opinion of Ropes & Gray
        addressed to Pegasus and each Pegasus Fund, and in a form reasonably
        satisfactory to Pegasus and dated the Exchange Date, with respect to the
        matters specified in Section 9(g) of this Agreement, subject to the
        provision in such Section 9(g).
 
             (h) All proceedings taken by One Group in connection with the
        transactions contemplated by this Agreement and all documents incidental
        thereto reasonably shall be satisfactory in form and substance to
        Pegasus.
 
             (i) The Registration Statement shall have become effective under
        the 1933 Act and applicable blue sky provisions, and no stop order
        suspending such effectiveness shall have been instituted or, to the
        knowledge of Pegasus, contemplated by the Commission or any state
        regulatory authority.
 
          11. INDEMNIFICATION. (a) The Pegasus Funds will indemnify and hold
     harmless One Group, its trustees and its officers (for purposes of this
     subsection, the "Indemnified Parties") against any and all expenses,
     losses, claims, damages and liabilities at any time imposed upon or
     reasonably incurred by any one or more of the Indemnified Parties in
     connection with, arising out of, or resulting from any claim, action, suit
     or proceeding in which any one or more of the Indemnified Parties may be
     involved or with which any one or more of the Indemnified Parties may be
     threatened by reason of any untrue statement or alleged untrue statement of
     a material fact relating to Pegasus or any Pegasus Fund contained in the
     Registration Statement, the Prospectus or the Proxy Statement or any
     amendment or supplement to any of the foregoing, or arising out of or based
     upon the omission or alleged omission to state in any of the foregoing a
     material fact relating to Pegasus or any Pegasus Fund required to be stated
     therein or necessary to make the statements relating to Pegasus or any
     Pegasus Fund therein not misleading, including, without limitation, any
     amounts paid by any one or more of the Indemnified Parties in a reasonable
     compromise or settlement of any such claim, action, suit or proceeding or
     threatened claim, action, suit or proceeding made with the prior consent of
     Pegasus. The Indemnified Parties will notify
                                      I-13
<PAGE>   92
 
     Pegasus in writing within ten days after the receipt by any one or more of
     the Indemnified Parties of any notice of legal process or any suit brought
     against or claim made against any Indemnified Party as to any matters
     covered by this Section 11(a). Pegasus shall be entitled to participate at
     its own expense in the defense of any claim, action, suit or proceeding
     covered by this Section 11(a), or, if it so elects, to assume at its
     expense by counsel satisfactory to the Indemnified Parties the defense of
     any such claim, action, suit or proceeding, and if Pegasus elects to assume
     such defense, the Indemnified Parties shall be entitled to participate in
     the defense of any such claim, action, suit or proceeding at their expense.
     The Pegasus Funds' obligation under this Section 11(a) to indemnify and
     hold harmless the Indemnified Parties shall constitute a guarantee of
     payment so that the Pegasus Funds will pay in the first instance any
     expenses, losses, claims, damages and liabilities required to be paid by it
     under this Section 11(a) without the necessity of the Indemnified Parties
     first paying the same.
 
             (b) The One Group Funds will indemnify and hold harmless Pegasus,
        its trustees and its officers (for purposes of this subsection, the
        "Indemnified Parties") against any and all expenses, losses, claims,
        damages and liabilities at any time imposed upon or reasonably incurred
        by any one or more of the Indemnified Parties in connection with,
        arising out of, or resulting from any claim, action, suit or proceeding
        in which any one or more of the Indemnified Parties may be involved or
        with which any one or more of the Indemnified Parties may be threatened
        by reason of any untrue statement or alleged untrue statement of a
        material fact relating to One Group or any One Group Fund contained in
        the Registration Statement, the Prospectus or the Proxy Statement, or
        any amendment or supplement to any of the foregoing, or arising out of
        or based upon the omission or alleged omission to state in any of the
        foregoing a material fact relating to One Group or any One Group Fund
        required to be stated therein or necessary to make the statements
        relating to One Group or any One Group Fund therein not misleading,
        including, without limitation, any amounts paid by any one or more of
        the Indemnified Parties in a reasonable compromise or settlement of any
        such claim, action, suit or proceeding, or threatened claim, action,
        suit or proceeding made with the prior consent of One Group. The
        Indemnified Parties will notify One Group in writing within ten days
        after the receipt by any one or more of the Indemnified Parties of any
        notice of legal process or any suit brought against or claim made
        against any Indemnified Party as to any matters covered by this Section
        11(b). One Group shall be entitled to participate at its own expense in
        the defense of any claim, action, suit or proceeding covered by this
        Section 11(b), or, if it so elects, to assume at its expense by counsel
        satisfactory to the Indemnified Parties the defense of any such claim,
        action, suit or proceeding, and, if One Group elects to assume such
        defense, the Indemnified Parties shall be entitled to participate in the
        defense of any such claim, action, suit or proceeding at their own
        expense. The One Group Funds' obligation under this Section 11(b) to
        indemnify and hold harmless the Indemnified Parties shall constitute a
        guarantee of payment so that the One Group Funds will pay in the first
        instance any expenses, losses, claims, damages and liabilities required
        to be paid by it under this Section 11(b) without the necessity of the
        Indemnified Parties first paying the same.
 
          12. NO BROKER, ETC. Each of One Group and Pegasus represents that
     there is no person who has dealt with it who by reason of such dealings is
     entitled to any broker's or finder's or other similar fee or commission
     arising out of the transactions contemplated by this Agreement.
 
          13. TERMINATION. One Group and Pegasus may, by mutual consent of their
     respective trustees, terminate this Agreement, and One Group or Pegasus,
     after consultation with counsel and by consent of their respective trustees
     or an officer authorized by such trustees, may waive any condition to their
     respective obligations hereunder. If the transactions contemplated by this
     Agreement have not been substantially completed by August 30, 1999, this
     Agreement shall automatically terminate on that date unless a later date is
     agreed to by One Group and Pegasus.
 
          Notwithstanding any other provision in this Agreement, in the event
     shareholder approval of this Agreement and the transactions contemplated by
     this Agreement is obtained with respect to only one or more Pegasus Funds
     but not all of the Pegasus Funds, One Group and Pegasus agree to consummate
     those transactions with respect to those Pegasus Funds whose shareholders
     have approved this Agreement and those transactions.
                                      I-14
<PAGE>   93
 
          In the event that shareholder approval of this Agreement and the
     transactions contemplated by this Agreement is required, but is obtained
     with respect to only one class of shares of a Pegasus Fund, the transaction
     with respect to that Pegasus Fund will not be consummated unless and until
     shareholder approval is obtained with respect to both classes.
 
          14. RULE 145. Pursuant to Rule 145 under the 1933 Act, One Group will,
     in connection with the issuance of any Shares to any person who at the time
     of the transaction contemplated hereby is deemed to be an affiliate of a
     party to the transaction pursuant to Rule 145 (c), cause to be affixed upon
     the certificates issued to such person (if any) a legend as follows:
 
             "THESE SHARES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
        1933, AS AMENDED, AND MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT TO
        THE ONE GROUP OR ITS PRINCIPAL UNDERWRITER UNLESS (i) A REGISTRATION
        STATEMENT WITH RESPECT THERETO IS EFFECTIVE UNDER THE SECURITIES ACT OF
        1933, AS AMENDED, OR (ii) IN THE OPINION OF COUNSEL REASONABLY
        SATISFACTORY TO THE ONE GROUP SUCH REGISTRATION IS NOT REQUIRED."
 
     and, further, One Group will issue stop transfer instructions to One
     Group's transfer agent with respect to such shares. Pegasus will provide
     One Group on the Exchange Date with the name of any shareholder of the
     Pegasus Funds who is to the knowledge of Pegasus an affiliate of Pegasus on
     such date.
 
          15. COVENANTS, ETC. DEEMED MATERIAL. All covenants, agreements,
     representations and warranties made under this Agreement and any
     certificates delivered pursuant to this Agreement shall be deemed to have
     been material and relied upon by each of the parties, notwithstanding any
     investigation made by them or on their behalf.
 
          16. SOLE AGREEMENT; AMENDMENTS. This Agreement supersedes all previous
     correspondence and oral communications between the parties regarding the
     subject matter hereof, constitutes the only understanding with respect to
     such subject matter, may not be changed except by a letter of agreement
     signed by each party hereto, and shall be construed in accordance with and
     governed by the laws of the Commonwealth of Massachusetts provided,
     however, that no such amendment may have the effect of changing the
     provisions for determining the number or value of shares to be paid to the
     Pegasus Fund's shareholders under Sections I(b) and II(4)(b) this Agreement
     to the material detriment of such shareholder's without their further
     approval.
 
          17. AGREEMENT AND DECLARATION OF TRUST. The names "Pegasus Funds" and
     "Trustees of Pegasus Funds" refer respectively to Pegasus and the Trustees,
     as trustees but not individually or personally, acting from time to time
     under a Declaration of Trust, to which reference is hereby made and a copy
     of which is on file at the office of the Secretary of the Commonwealth of
     Massachusetts and elsewhere as required by law, and to any and all
     amendments thereto so filed or hereafter filed. The obligations of "Pegasus
     Funds" entered into in the name or on behalf thereof by any of the
     Trustees, officers, employees or agents are made not individually, but in
     such capacities, and are not binding upon any of the Trustees, officers,
     employees, agents or shareholders of Pegasus personally, but bind only the
     assets of Pegasus, and all persons dealing with any of the series or funds
     of Pegasus, such as Pegasus Funds, must look solely to the assets of
     Pegasus belonging to such series or funds for the enforcement of any claims
     against Pegasus.
 
     The names "The One Group" and "Trustees of The One Group" refer
respectively to One Group and the Trustees, as trustees but not individually or
personally, acting from time to time under a Declaration of Trust dated May 23,
1985 to which reference is hereby made and a copy of which is on file at the
office of the Secretary of The Commonwealth of Massachusetts and elsewhere as
required by law, and to any and all amendments thereto so filed or hereafter
filed. The obligations of "The One Group" entered into in the name or on behalf
thereof by any of the Trustees, representatives or agents are made not
individually, but in such capacities, and are not binding upon any of the
Trustees, Shareholders or representatives of One Group personally, but bind only
the assets of One Group, and all persons dealing with any series or fund of One
 
                                      I-15
<PAGE>   94
 
Group, such as the One Group Funds, must look solely to the assets of One Group
belonging to such series for the enforcement of any claims against One Group.
 
     This Agreement may be executed in any number of counterparts, each of
which, when executed and delivered, shall be deemed to be an original.
 
                                            PEGASUS FUNDS
 
                                            By: /s/ DONALD G. SUTHERLAND
 
                                              ----------------------------------
 
                                            ONE GROUP
 
                                            By: /s/ MARK S. REDMAN
 
                                              ----------------------------------
 
                                      I-16
<PAGE>   95
 
                                                                     APPENDIX II
 
                    COMPARATIVE FEE TABLE FOR EACH PORTFOLIO
 
<TABLE>
<CAPTION>
                                        PEGASUS                    One Group(R)
                                     MONEY MARKET                   PRIME MONEY                    COMBINED
                                         FUND                     MARKET FUND(1)                FUND PRO FORMA
                              ---------------------------   ---------------------------   ---------------------------
                              CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                              SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                              -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                           <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge
    Imposed on Purchases (as
    a percentage of offering
    price)..................   None       None     None      None      None      None      None      None      None
  Sales Charge on Reinvested
    Dividends...............   None       None     None      None      None      None      None      None      None
  Maximum Contingent
    Deferred Sales Charge
    (as a percentage of
    original purchase price
    or redemption proceeds,
    as applicable)..........   None       None+    None      None      5.00%     None      None      5.00%     None
  Redemption Fees...........   None       None     None      None      None      None      None      None      None
  Exchange Fees.............   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of
  average daily net assets)
Advisory Fees (after fee
  waivers)(2)...............    .27%       .27%     .27%      .35%      .35%      .35%      .32%      .32%      .32%
12b-1 Fees(3)...............   None        .75%    None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses (after fee
  waivers)(4)...............    .48%       .48%     .23%      .17%      .17%      .17%      .20%      .20%      .20%
Total Fund Operating
  Expenses (after fee
  waivers)(5,6).............    .75%      1.50%     .50%      .77%     1.52%      .52%      .77%     1.52%      .52%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Prime Money Market Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + Shares of the Pegasus Money Market Fund acquired through an exchange of
    shares offered with a CDSC will be subject to a CDSC of up to a maximum of
    5% upon redemption in accordance with the Prospectus for the particular B
    shares. See "How to Redeem Shares."
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waiver, Advisory Fees for the Combined Fund would be .35%
    for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class A and Class B shareholders of the One
    Group Prime Money Market Fund, Class B shareholders of the Pegasus Money
    Market Fund and Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. The amount of 12b-1 Fees shown for the
    One Group Prime Money Market Fund and Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Money Market Fund are
    reflected under "Other Expenses."
 
(4) Without the fee waivers, Other Expenses for the Combined Fund would be .22%
    for all classes of shares.
 
(5) The Investment Adviser of the Pegasus Money Market Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to .75%, 1.50% and .50%,
    respectively, for the Class A, Class B and Class I shares.
 
                                      II-1
<PAGE>   96
 
(6) Without the voluntary reduction of Advisory Fees and expense reimbursement
    arrangements, Total Fund Operating Expenses would be .77% for Class A
    shares, 1.52% for Class B shares, and .52% for Class I shares of the Pegasus
    Money Market Fund and .82% for Class A shares, 1.57% for Class B shares, and
    .57% for Class I shares of the Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Money Market Fund
  Class A Shares.......................................   $ 8        $24       $ 42        $ 93
  Class A Shares (without fee waivers).................   $ 8        $25       $ 43        $ 95
  Class B Shares.......................................   $65        $77       $102        $149
  Class B Shares (without fee waivers).................   $65        $78       $103        $151**
  Class I Shares.......................................   $ 5        $16       $ 28        $ 63
  Class I Shares (without fee waivers).................   $ 5        $17       $ 29        $ 65
One Group(R) Prime Money Market Fund
  Class A Shares.......................................   $ 8        $25       $ 43        $ 95
  Class B Shares.......................................   $65        $78       $103        $161**
  Class I Shares.......................................   $ 5        $17       $ 29        $ 65
Combined Fund Pro Forma
  Class A Shares.......................................   $ 8        $25       $ 43        $ 95
  Class A Shares (without fee waivers).................   $ 8        $26       $ 46        $101
  Class B Shares.......................................   $65        $78       $103        $161**
  Class B Shares (without fee waivers).................   $66        $80       $106        $167**
  Class I Shares.......................................   $ 5        $17       $ 29        $ 65
  Class I Shares (without fee waivers).................   $ 6        $18       $ 32        $ 71
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Prime Money Market Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Money Market Fund
  Class B Shares.......................................   $15        $47       $ 82        $149
  Class B Shares (without fee waivers).................   $15        $48       $ 83        $151**
One Group(R) Prime Money Market Fund
  Class B Shares.......................................   $15        $48       $ 83        $161**
Combined Funds Pro Forma
  Class B Shares.......................................   $15        $48       $ 83        $161**
  Class B Shares (without fee waivers).................   $16        $50       $ 86        $167**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Prime Money Market Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
                                      II-2
<PAGE>   97
 
<TABLE>
<CAPTION>
                                     PEGASUS               One Group(R)
                                 TREASURY MONEY      U.S. TREASURY SECURITIES            COMBINED FUND
                                   MARKET FUND         MONEY MARKET FUND(1)                PRO FORMA
                                -----------------   ---------------------------   ---------------------------
                                CLASS A   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION
  EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)....................   None      None      None      None      None      None      None      None
  Sales Charge on Reinvested
    Dividends.................   None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None      None      None      5.00%     None      None      5.00%     None
  Redemption Fees.............   None      None      None      None      None      None      None      None
  Exchange Fees...............   None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES (as
  a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2).................    .30%      .30%      .35%      .35%      .35%      .32%      .32%      .32%
12b-1 Fees(3).................   None      None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses................    .43%      .18%      .17%      .17%      .17%      .18%      .18%      .18%
Total Fund Operating Expenses
  (after fee waivers)(4,5)....    .73%      .48%      .77%     1.52%      .52%      .75%     1.50%      .50%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) U.S. Treasury Securities Money Market Fund or
    Combined Fund are purchased or sold through an account with a Shareholder
    Servicing Agent, separate transaction fees may be charged by the Shareholder
    Servicing Agent. In addition, a $10.00 sub-minimum account fee may be
    applicable and a $7.00 charge will be deducted from redemption amounts paid
    by wire.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waiver, Advisory Fees for the Combined Fund would be .35%
    for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class A and Class B shareholders of the One
    Group U.S. Treasury Securities Money Market Fund and Combined Fund may pay
    more than the equivalent of the maximum front-end sales charges permitted by
    the rules of the National Association of Securities Dealers. The amount of
    12b-1 Fees shown for the One Group(R) U.S. Treasury Securities Money Market
    Fund and Combined Fund includes fees for shareholder servicing and
    distribution. Shareholder servicing fees payable by the Class A shareholders
    of the Pegasus Treasury Money Market Fund are reflected under "Other
    Expenses."
 
(4) The Investment Adviser of the Pegasus Treasury Money Market Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to .75% and
    .50%, respectively, for the Class A and Class I shares.
 
(5) Without the voluntary reduction of Advisory Fees, Total Fund Operating
    Expenses would be .78% for Class A shares, 1.53% for Class B shares, and
    .53% for Class I shares for the Combined Fund.
 
                                      II-3
<PAGE>   98
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Treasury Money Market Fund
  Class A Shares........................................   $ 7        $23       $ 41        $ 91
  Class I Shares........................................   $ 5        $15       $ 27        $ 60
One Group(R) U.S. Treasury Securities Money Market Fund
  Class A Shares........................................   $ 8        $25       $ 43        $ 99
  Class B Shares........................................   $65        $78       $103        $161**
  Class I Shares........................................   $ 5        $17       $ 29        $ 65
Combined Fund Pro Forma
  Class A Shares........................................   $ 8        $24       $ 42        $ 93
  Class A Shares (without fee waivers)..................   $ 8        $25       $ 43        $ 97
  Class B Shares........................................   $65        $77       $102        $159**
  Class B Shares (without fee waivers)..................   $66        $78       $103        $162**
  Class I Shares........................................   $ 5        $16       $ 28        $ 63
  Class I Shares (without fee waivers)..................   $ 5        $17       $ 30        $ 66
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) U.S. Treasury Securities Money Market Fund
   and the Combined Fund automatically convert to Class A Shares after eight (8)
   years. Therefore, the "10 Years" example above reflects this conversion.
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
One Group(R) U.S. Treasury Securities Money Market Fund
  Class B Shares.......................................   $15        $48       $ 83        $161**
Combined Funds Pro Forma
  Class B Shares.......................................   $15        $47       $ 82        $159**
  Class B Shares (without fee waivers).................   $16        $48       $ 83        $162**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) U.S. Treasury Securities Money Market Fund
   and the Combined Fund automatically convert to Class A Shares after eight (8)
   years. Therefore, the "10 Years" example above reflects this conversion.
 
                                      II-4
<PAGE>   99
 
<TABLE>
<CAPTION>
                                             PEGASUS             One Group(R)
                                         MUNICIPAL MONEY       MUNICIPAL MONEY        COMBINED FUND
                                          MARKET FUND(1)        MARKET FUND(1)          PRO FORMA
                                        ------------------    ------------------    ------------------
                                        CLASS A    CLASS I    CLASS A    CLASS I    CLASS A    CLASS I
                                        SHARES     SHARES     SHARES     SHARES     SHARES     SHARES
                                        -------    -------    -------    -------    -------    -------
<S>                                     <C>        <C>        <C>        <C>        <C>        <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price)..................   None       None       None       None       None       None
  Sales Charge on Reinvested
     Dividends........................   None       None       None       None       None       None
  Maximum Contingent Deferred Sales
     Charge (as a percentage of
     original purchase price or
     redemption proceeds, as
     applicable)......................   None       None       None       None       None       None
  Redemption Fees.....................   None       None       None       None       None       None
  Exchange Fees.......................   None       None       None       None       None       None
ANNUAL OPERATING EXPENSES (as a
  percentage of average daily net
  assets)
Advisory Fees (after fee
  waivers)(2).........................    .30%       .30%       .27%       .27%       .25%       .25%
12b-1 Fees(3).........................   None       None        .25%      None        .25%      None
Other Expenses (after fee
  waivers)(4).........................    .43%       .18%       .20%       .20%       .20%       .20%
Total Fund Operating Expenses (after
  fee waivers)(5, 6)..................    .73%       .48%       .72%       .47%       .70%       .45%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Municipal Money Market Fund or Combined Fund
    are purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Municipal Money
    Market Fund and Combined Fund would be .35% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class A shareholders of the One Group(R)
    Municipal Money Market Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. The amount of 12b-1 Fees
    shown for the One Group(R) Municipal Money Market Fund and Combined Fund
    includes fees for shareholder servicing and distribution. Shareholder
    servicing fees payable by the Class A shareholders of the Pegasus Municipal
    Money Market Fund are reflected under "Other Expenses."
 
(4) Without the fee waiver, Other Expenses for the Combined Fund would be .22%
    for all classes of shares.
 
(5) The Investment Adviser of the Pegasus Municipal Money Market Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to .75% and
    .50%, respectively, for the Class A and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory Fees and expense
    reimbursement arrangements, Total Fund Operating Expenses would be .80% for
    Class A shares and .55% for Class I shares of the One Group Municipal Money
    Market and .82% for Class A and .57% for Class I shares of the Combined
    Fund.
 
                                      II-5
<PAGE>   100
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Municipal Money Market Fund
  Class A Shares.........................................    $7        $23        $41        $ 91
  Class I Shares.........................................    $5        $15        $27        $ 60
One Group Municipal Money Market Fund
  Class A Shares.........................................    $7        $23        $40        $ 89
  Class A Shares (without fee waivers)...................    $8        $26        $44        $ 99
  Class I Shares.........................................    $5        $15        $26        $ 59
  Class I Shares (without fee waivers)...................    $6        $18        $31        $ 69
Combined Fund Pro Forma
  Class A Shares.........................................    $7        $22        $39        $ 87
  Class A Shares (without fee waivers)...................    $8        $26        $46        $101
  Class I Shares.........................................    $5        $14        $25        $ 57
  Class I Shares (without fee waivers)...................    $6        $18        $32        $ 71
</TABLE>
 
<TABLE>
<CAPTION>
                                                                 One Group(R)
                                             PEGASUS          MICHIGAN MUNICIPAL
                                        MICHIGAN MUNICIPAL       MONEY MARKET         COMBINED FUND
                                        MONEY MARKET FUND           FUND*               PRO FORMA
                                        ------------------    ------------------    ------------------
                                        CLASS A    CLASS I    CLASS A    CLASS I    CLASS A    CLASS I
                                        SHARES     SHARES     SHARES     SHARES     SHARES     SHARES
                                        -------    -------    -------    -------    -------    -------
<S>                                     <C>        <C>        <C>        <C>        <C>        <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price)..................   None       None       None       None       None       None
  Sales Charge on Reinvested
     Dividends........................   None       None       None       None       None       None
  Maximum Contingent Deferred Sales
     Charge (as a percentage of
     original purchase price or
     redemption proceeds, as
     applicable)......................   None       None       None       None       None       None
  Redemption Fees.....................   None       None       None       None       None       None
  Exchange Fees.......................   None       None       None       None       None       None
ANNUAL OPERATING EXPENSES (as a
  percentage of average daily net
  assets)
Advisory Fees (after fee
  waivers)(1).........................    .27%       .27%       .27%       .27%       .27%       .27%
12b-1 Fees (after fee waivers)(2).....   None       None        .25%      None        .25%      None
Other Expenses (after fee
  waivers)(3).........................    .48%       .23%       .22%       .22%       .22%       .22%
Total Fund Operating Expenses (after
  fee waivers)(4).....................    .75%       .50%       .74%       .49%       .74%       .49%
</TABLE>
 
- ---------------
 
  * The One Group(R) Michigan Municipal Money Market Fund has not yet commenced
    operations. The One Group(R) Michigan Municipal Money Market Fund will
    continue the operations of the Pegasus Michigan Municipal Money Market Fund
    upon consummation of the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Michigan Municipal Money Market Fund or
    Combined Fund are purchased or sold through an account with a Shareholder
    Servicing Agent, separate transaction fees may be charged by the Shareholder
    Servicing Agent. In addition, a $10.00 sub-minimum account fee may be
    applicable and charge will be deducted from the redemption amounts paid by
    wire.
 
                                      II-6
<PAGE>   101
 
(1) Without the fee waivers, Advisory Fees for the One Group(R) Michigan
    Municipal Money Market Fund and Combined Fund would be .35% for all classes
    of shares.
 
(2) Due to 12b-1 Fees, long-term Class A shareholders of the One Group(R)
    Michigan Municipal Money Market Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted under the rules
    of The National Association of Securities Dealer. The amount of 12b-1 fees
    shown for the One Group(R) Michigan Municipal Money Market Fund and Combined
    Fund includes fees for shareholder servicing and distribution. Shareholder
    servicing fees payable by the Class A shareholders of the Pegasus Michigan
    Municipal Money Market Fund are reflected under "Other Expenses."
 
(3) Other Expenses for the One Group(R) Michigan Municipal Money Market Fund and
    Combined Fund are based on estimated amounts for the current fiscal year.
    Without the fee waiver, Other Expenses for the One Group(R) Michigan
    Municipal Money Market Fund and Combined Fund would be .24% for all classes
    of shares.
 
(4) The Investment Adviser of the Pegasus Michigan Municipal Money Market Fund
    has voluntarily agreed to limit the Total Fund Operating Expenses to .75%
    and .50%, respectively, for the Class A and Class I shares. Without the
    voluntary reduction of investment advisory fees and expense reimbursement
    arrangements, Total Fund Operating Expenses would be .76% for Class A shares
    and .51% for Class I shares of the Pegasus Michigan Municipal Money Market
    Fund. Without a voluntary reduction of Advisory Fees and other expense
    reimbursement arrangements, Total Fund Operating Expenses for the One
    Group(R) Michigan Municipal Money Market Fund and Combined Fund would be
    .84% for Class A shares and .59% for Class I shares.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Michigan Municipal Money Market Fund
  Class A Shares.........................................    $8        $24        $42        $ 93
  Class A Shares (without fee waivers)...................    $8        $24        $42        $ 94
  Class I Shares.........................................    $5        $16        $28        $ 63
  Class I Shares (without fee waivers)...................    $5        $16        $29        $ 64
One Group(R) Michigan Municipal Money Market Fund
  Class A Shares.........................................    $8        $24        $41        $ 92
  Class A Shares (without fee waivers)...................    $9        $27        $47        $104
  Class I Shares.........................................    $5        $16        $27        $ 62
  Class I Shares (without fee waivers)...................    $6        $19        $33        $ 74
Combined Fund Pro Forma
  Class A Shares.........................................    $8        $24        $41        $ 92
  Class A Shares (without fee waivers)...................    $9        $27        $47        $104
  Class I Shares.........................................    $5        $16        $27        $ 62
  Class I Shares (without fee waivers)...................    $6        $19        $33        $ 74
</TABLE>
 
                                      II-7
<PAGE>   102
 
<TABLE>
<CAPTION>
                                                                     One Group(R)
                                              PEGASUS              CASH MANAGEMENT
                                          CASH MANAGEMENT            MONEY MARKET            COMBINED
                                                FUND                    FUND*             PRO FORMA FUND
                                      ------------------------    ------------------    ------------------
                                      INSTITUTIONAL    SERVICE    CLASS I    CLASS A    CLASS I    CLASS A
                                         SHARES        SHARES     SHARES     SHARES     SHARES     SHARES
                                      -------------    -------    -------    -------    -------    -------
<S>                                   <C>              <C>        <C>        <C>        <C>        <C>
SHAREHOLDER TRANSACTION EXPENSES
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price)................      None          None       None       None       None       None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily
     net assets)
Advisory Fees (after fee
  waivers)(1).......................      .16%          .16%       .16%       .16%       .16%       .16%
12b-1 Fees(2).......................      None          .25%       None       .25%       None       .25%
Other Expenses (after fee
  waivers)(3).......................      .19%          .19%       .18%       .18%       .18%       .18%
Total Fund Operating Expenses (after
  fee waivers and/or expense
  reimbursements)(4)................      .35%          .60%       .34%       .59%       .34%       .59%
</TABLE>
 
- ---------------
 
 *  The One Group(R) Cash Management Money Market Fund has not yet commenced
    investment operations. The One Group(R) Cash Management Money Market Fund
    will continue the operations of the Pegasus Cash Management Fund upon
    consummation of the Reorganization relating to that Fund.
 
 +  If shares of the One Group(R) Cash Management Money Market Fund or Combined
    Fund are purchased or sold through an account with a Shareholder Servicing
    Agent, separate transaction fees may be charged by the Shareholder Servicing
    Agent. In addition, a $7.00 charge will be deducted from the redemption
    amounts paid by wire.
 
(1) Without Advisory Fee waivers, Advisory Fees for the Pegasus Cash Management
    Fund, the One Group(R) Cash Management Money Market Fund and Combined Fund
    would be .20% for all classes of shares.
 
(2) The amount of 12b-1 Fees shown for the One Group(R) Cash Management Money
    Market Fund and Combined Fund includes fees for shareholder servicing and
    distribution.
 
(3) Other Expenses for the One Group(R) Cash Management Money Market Fund and
    Combined Fund are based on estimated amounts for this current fiscal year.
    Without the fee waiver, Other Expenses for the One Group(R) Cash Management
    Money Market Fund and Combined Fund would be .19% for all classes of shares.
 
(4) Without Advisory Fee waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses for the Pegasus Cash Management Fund would be .39%
    for the Institutional Shares and .64% for the Service Shares. Without
    Advisory Fee Waivers, Total Fund Operating Expenses for the One Group(R)
    Cash Management Money Market Fund and Combined Fund would be .39% for Class
    I and .64% for Class A shares.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
(1) 5% annual return, and (2) redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Cash Management Fund
  Institutional Shares...................................    $4        $11        $20        $44
  Institutional Shares (without fee waivers).............    $4        $13        $22        $49
  Service Shares.........................................    $6        $19        $33        $75
  Service Shares (without fee waivers)...................    $7        $20        $36        $80
</TABLE>
 
                                      II-8
<PAGE>   103
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
One Group(R) Cash Management Money Market Fund
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $13        $22        $49
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $7        $20        $36        $80
Combined Fund Pro Forma
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $13        $22        $49
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $7        $20        $36        $80
</TABLE>
 
<TABLE>
<CAPTION>
                                                                       One Group(R)
                                                                       TREASURY CASH
                                                                        MANAGEMENT
                                            PEGASUS TREASURY CASH      MONEY MARKET        COMBINED FUND
                                               MANAGEMENT FUND             FUND*             PRO FORMA
                                           -----------------------   -----------------   -----------------
                                           INSTITUTIONAL   SERVICE   CLASS I   CLASS A   CLASS I   CLASS A
                                              SHARES       SHARES    SHARES    SHARES    SHARES    SHARES
                                           -------------   -------   -------   -------   -------   -------
<S>                                        <C>             <C>       <C>       <C>       <C>       <C>
PEGASUS TRANSACTION EXPENSES
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price).....................      None         None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
  assets)
Advisory Fees (after fee waivers)(1).....      .17%         .17%      .17%      .17%      .17%      .17%
12b-1 Fees(2)............................      None         .25%      None      .25%      None      .25%
Other Expenses (after fee waivers)(3)....      .18%         .18%      .17%      .17%      .17%      .17%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(4).....................      .35%         .60%      .34%      .59%      .34%      .59%
</TABLE>
 
- ---------------
 
  * The One Group(R) Treasury Cash Management Money Market Fund has not yet
    commenced operations. The One Group(R) Treasury Cash Management Money Market
    Fund will continue the operations of the Pegasus Treasury Cash Management
    Fund upon consummation of the Reorganization relating to that Fund.
 
  + If shares of the One Group(R) Treasury Cash Management Money Market Fund or
    Combined Fund are purchased or sold through an account with a Shareholder
    Servicing Agent, separate transaction fees may be charged by the Shareholder
    Servicing Agent. In addition, a $7.00 charge is deducted from the redemption
    amounts paid by wire.
 
(1) Without Advisory Fee waivers, Advisory Fees for the Pegasus Treasury Cash
    Management Fund, the One Group(R) Treasury Cash Management Fund and Combined
    Fund would be .20% for all classes of shares.
 
(2) The amount of 12b-1 Fees shown for the One Group(R) Treasury Cash Management
    Money Market Fund and Combined Fund includes fees for shareholder servicing
    and distribution.
 
(3) Other Expenses for the One Group(R) Treasury Cash Management Money Market
    Fund and Combined Fund are based on estimated amounts for the current fiscal
    year. Without the fee waiver, Other Expenses for the One Group(R) Treasury
    Cash Management Money Market Fund and Combined Fund would be .18% for all
    classes of shares.
 
(4) Without Advisory Fee Waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses would be .38% for the Institutional Shares and .63%
    for the Service Shares of the Pegasus
 
                                      II-9
<PAGE>   104
 
    Treasury Cash Management Fund and .38% for the Class I Shares and .63% for
    the Class A Shares of the One Group(R) Treasury Cash Management Money Market
    Fund and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
(1) 5% annual return, and (2) redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Treasury Cash Management Fund
  Institutional Shares...................................    $4        $11        $20        $44
  Institutional Shares (without fee waivers).............    $4        $12        $21        $48
  Service Shares.........................................    $6        $19        $33        $75
  Service Shares (without fee waivers)...................    $6        $20        $35        $79
One Group(R) Treasury Cash Management Money Market Fund
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $12        $21        $48
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $6        $20        $35        $79
Combined Fund Pro Forma
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $12        $21        $48
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $6        $20        $35        $79
</TABLE>
 
<TABLE>
<CAPTION>
                                                                       One Group(R)
                                                                      TREASURY PRIME
                                              PEGASUS TREASURY        CASH MANAGEMENT
                                                 PRIME CASH            MONEY MARKET        COMBINED FUND
                                               MANAGEMENT FUND             FUND*             PRO FORMA
                                           -----------------------   -----------------   -----------------
                                           INSTITUTIONAL   SERVICE   CLASS I   CLASS A   CLASS I   CLASS A
                                              SHARES       SHARES    SHARES    SHARES    SHARES    SHARES
                                           -------------   -------   -------   -------   -------   -------
<S>                                        <C>             <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES+
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price).....................      None         None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
     assets)
Advisory Fees (after fee waivers)(1).....      .15%         .15%      .15%      .15%      .15%      .15%
12b-1 Fees(2)............................      None         .25%      None      .25%      None      .25%
Other Expenses (after fee waiver and/or
  expense reimbursements)(3).............      .20%         .20%      .19%      .19%      .19%      .19%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(4).....................      .35%         .60%      .34%      .59%      .34%      .59%
</TABLE>
 
- ---------------
 
  * The One Group(R) Treasury Prime Cash Management Money Market Fund has not
    yet commenced operations. The One Group(R) Treasury Prime Cash Management
    Money Market Fund will continue the operations of the Pegasus Treasury Prime
    Cash Management Fund upon consummation of the Reorganization relating to
    that Fund.
 
  + If shares of the One Group(R) Treasury Prime Cash Management Money Market
    Fund or Combined Fund are purchased or sold through an account with a
    Shareholder Servicing Agent, separate transaction fees
 
                                      II-10
<PAGE>   105
 
    may be charged by the Shareholder Servicing Agent. In addition, a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
(1) Without Advisory Fee waivers, Advisory Fees would be .20% for the Pegasus
    Treasury Prime Cash Management Fund and .20% for the One Group(R) Treasury
    Prime Cash Management Money Market Fund and the Combined Fund for all
    classes of shares.
 
(2) The amount of 12b-1 Fees shown for the One Group(R) Treasury Prime Cash
    Management Money Market Fund and Combined Fund includes fees for shareholder
    servicing and distribution.
 
(3) Other Expenses for the One Group(R) Treasury Prime Cash Management Money
    Market Fund and Combined Fund are based on estimated amounts for the current
    fiscal year. Without the fee waiver, Other Expenses for the One Group(R)
    Treasury Prime Cash Management Money Market Fund and Combined Fund would be
    .20% for all classes of shares.
 
(4) Without Advisory Fee waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses would be .40% for the Institutional Shares and .65%
    for the Service Shares of the Pegasus Treasury Prime Cash Management Fund.
    Without waivers, Total Fund Operating Expenses for the One Group(R) Treasury
    Prime Cash Management Money Market Fund and Combined Fund would be .40% for
    the Class I shares and .65% for Class A shares.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
(1) 5% annual return, and (2) redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Treasury Cash Management Fund
  Institutional Shares...................................    $4        $11        $20        $44
  Institutional Shares (without fee waivers).............    $4        $13        $22        $51
  Service Shares.........................................    $6        $19        $33        $75
  Service Shares (without fee waivers)...................    $7        $21        $36        $81
One Group(R) Treasury Cash Management Money Market Fund
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $13        $22        $51
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $7        $21        $36        $81
Combined Fund Pro Forma
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $13        $22        $51
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $7        $21        $36        $81
</TABLE>
 
                                      II-11
<PAGE>   106
 
<TABLE>
<CAPTION>
                                                                       One Group(R)
                                                                      U.S. GOVERNMENT
                                                   PEGASUS            SECURITIES CASH
                                               U.S. GOVERNMENT          MANAGEMENT
                                               SECURITIES CASH         MONEY MARKET        COMBINED FUND
                                               MANAGEMENT FUND             FUND*             PRO FORMA
                                           -----------------------   -----------------   -----------------
                                           INSTITUTIONAL   SERVICE   CLASS I   CLASS A   CLASS I   CLASS A
                                              SHARES       SHARES    SHARES    SHARES    SHARES    SHARES
                                           -------------   -------   -------   -------   -------   -------
<S>                                        <C>             <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES+
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price).....................      None         None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
     assets)
Advisory Fees (after fee waivers)(1).....      .18%         .18%      .18%      .18%      .18%      .18%
12b-1 Fees(2)............................      None         .25%      None      .25%      None      .25%
Other Expenses (after fee waivers and/or
  expense reimbursements)(3).............      .17%         .17%      .17%      .17%      .17%      .17%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(4).....................      .35%         .60%      .35%      .60%      .35%      .60%
</TABLE>
 
- ---------------
 
  * The One Group(R) U.S. Government Securities Cash Management Money Market
    Fund has not yet commenced investment operations. The One Group(R) U.S.
    Government Securities Cash Management Money Market Fund will continue the
    operations of the Pegasus U.S. Government Securities Cash Management Fund
    upon consummation of the Reorganization relating to that Fund.
 
  + If shares of the One Group(R) U.S. Government Securities Cash Management
    Money Market Fund or Combined Fund are purchased or sold through an account
    with a Shareholder Servicing Agent, separate transaction fees may be charged
    by the Shareholder Servicing Agent. In addition, a $7.00 charge will be
    deducted from the redemption amounts paid by wire.
 
(1) Without fee waivers, Advisory Fees would be .20% for the Pegasus U.S.
    Government Securities Cash Management Fund, the One Group(R) U.S. Government
    Securities Cash Management Money Market Fund and Combined Fund for all
    classes of shares.
 
(2) The amount of 12b-1 Fees shown for the Combined Fund includes fees for
    shareholder servicing and distribution.
 
(3) Other Expenses for the One Group(R) U.S. Government Securities Cash
    Management Money Market Fund and Combined Fund are based on estimated
    amounts for the current fiscal year. Without the fee waiver, Other Expenses
    for the One Group(R) U.S. Government Securities Cash Management Money Market
    Fund and Combined Fund would be .18% for all classes of shares.
 
(4) Without Advisory Fee waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses would be .37% for the Institutional Shares and .62%
    for the Service Shares of the Pegasus U.S. Government Securities Prime Cash
    Management Fund. Without Advisory Fee waivers, Total Fund Operating Expenses
    would be .38% for the Class I shares and .63% for Class A shares of the One
    Group(R) U.S. Government Securities Cash Management Money Market Fund and
    Combined Fund.
 
                                      II-12
<PAGE>   107
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
(1) 5% annual return, and (2) redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus U.S. Government Securities Cash Management Fund
     Institutional Shares................................    $4        $11        $20        $44
     Institutional Shares (without fee waivers)..........    $4        $12        $21        $47
     Services Shares.....................................    $6        $19        $33        $75
     Services Shares (without fee waivers)...............    $6        $20        $35        $77
One Group(R) U.S. Government Securities Cash Management
  Money Market Fund
     Class I Shares......................................    $4        $11        $20        $44
     Class I Shares (without fee waivers)................    $4        $12        $21        $48
     Class A Shares......................................    $6        $19        $33        $75
     Class A Shares (without fee waivers)................    $6        $20        $35        $79
Combined Fund Pro Forma
     Class I Shares......................................    $4        $11        $20        $44
     Class I Shares (without fee waivers)................    $4        $12        $21        $48
     Class A Shares......................................    $6        $19        $33        $75
     Class A Shares (without fee waivers)................    $6        $20        $35        $79
</TABLE>
 
<TABLE>
<CAPTION>
                                                                       One Group(R)
                                                                      MUNICIPAL CASH
                                              PEGASUS MUNICIPAL         MANAGEMENT
                                               CASH MANAGEMENT         MONEY MARKET        COMBINED FUND
                                                    FUND                   FUND*             PRO FORMA
                                           -----------------------   -----------------   -----------------
                                           INSTITUTIONAL   SERVICE   CLASS I   CLASS A   CLASS I   CLASS A
                                              SHARES       SHARES    SHARES    SHARES    SHARES    SHARES
                                           -------------   -------   -------   -------   -------   -------
<S>                                        <C>             <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES+
  Maximum Sales Charge Imposed on
     Purchases (as a percentage of
     offering price).....................      None         None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
     assets)
Advisory Fees (after fee waivers)(1).....      .17%         .17%      .17%      .17%      .17%      .17%
12b-1 Fees (after fee waivers)(2)........      None         .25%      None      .25%      None      .25%
Other Expenses (after fee waivers and/or
  expense reimbursements)(3).............      .18%         .18%      .17%      .17%      .17%      .17%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(4).....................      .35%         .60%      .34%      .59%      .34%      .59%
</TABLE>
 
- ---------------
 
  * The One Group(R) Municipal Cash Management Money Market Fund has not yet
    commenced investment operations. The One Group(R) Municipal Cash Management
    Money Market Fund will continue the operations of the Pegasus Municipal Cash
    Management Fund upon consummation of the Reorganization relating to that
    Fund.
 
  + If shares of the One Group(R) Municipal Cash Management Money Market Fund or
    Combined Fund are purchased or sold through an account with a Shareholder
    Servicing Agent, separate transaction fees may be charged by the Shareholder
    Servicing Agent. In addition, a $7.00 charge will be deducted from the
    redemption amounts paid by wire.
 
                                      II-13
<PAGE>   108
 
(1) Without Advisory Fee waivers, Advisory Fees would be .20% for the Pegasus
    Municipal Cash Management Fund and the One Group(R) Municipal Cash
    Management Money Market Fund and Combined Fund for all classes of shares.
 
(2) The amount of 12b-1 Fees shown for the One Group(R) Municipal Cash
    Management Money Market Fund and Combined Fund includes fees for shareholder
    servicing and distribution.
 
(3) Other Expenses for the One Group(R) Municipal Cash Management Money Market
    Fund and Combined Fund are based on estimated amounts for the current fiscal
    year. Without the fee waiver, Other Expenses for the One Group(R) Municipal
    Cash Management Money Market Fund and Combined Fund would be .18% for all
    classes of shares.
 
(4) Without Advisory Fee waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses would be .38% for the Institutional Shares and .63%
    for the Service Shares of the Pegasus Municipal Cash Management Fund.
    Without Advisory Fee waivers and expense reimbursement arrangements, Total
    Fund Operating Expenses would be .38% for Class I shares and .63% for Class
    A shares of the One Group(R) Municipal Cash Management Money Market Fund and
    Combined Fund. The following examples are calculated using Combined total
    operating expenses.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
(1) 5% annual return, and (2) redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Municipal Cash Management Fund
  Institutional Shares...................................    $4        $11        $20        $44
  Institutional Shares (without fee waivers).............    $4        $12        $21        $48
  Service Shares.........................................    $6        $19        $33        $75
  Service Shares (without fee waivers)...................    $6        $20        $35        $79
One Group(R) Municipal Cash Management Money Market Fund
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $12        $21        $48
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $6        $20        $35        $79
Combined Fund Pro Forma
  Class I Shares.........................................    $3        $11        $19        $43
  Class I Shares (without fee waivers)...................    $4        $12        $21        $48
  Class A Shares.........................................    $6        $19        $33        $74
  Class A Shares (without fee waivers)...................    $6        $20        $35        $79
</TABLE>
 
                                      II-14
<PAGE>   109
 
<TABLE>
<CAPTION>
                                    PEGASUS MANAGED ASSETS         ONE GROUP(R) INVESTOR             COMBINED FUND
                                      CONSERVATIVE FUND++            BALANCED FUND(1)                  PRO FORMA
                                  ---------------------------   ---------------------------   ---------------------------
                                  CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                  SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                  -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                               <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION
  EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)......................  5.00%      None      None     4.50%      None      None     5.25%      None      None
  Sales Charge on Reinvested
    Dividends...................   None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or redemption
    proceeds, as applicable)....   None+    5.00%      None      None+    5.00%      None      None+    5.00%      None
  Redemption Fees...............   None      None      None      None      None      None      None      None      None
  Exchange Fees.................   None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
    daily net assets)
Advisory Fees(2)................   .52%      .52%      .52%      .05%      .05%      .05%      .05%      .05%      .05%
12b-1 Fees (after fee
  waivers)(3)...................   None      .75%      None      .25%     1.00%      None      .25%     1.00%      None
Other Expenses (after fee
  waivers and/or expense
  reimbursements)...............   .73%      .73%      .48%      .15%      .15%      .15%      .15%      .15%      .15%
Total Fund Operating Expenses
  (after fee waivers and/or
  expense reimbursements)
  (4,5,6).......................  1.25%     2.00%     1.00%      .45%     1.20%      .20%      .45%     1.20%      .20%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Investor Balanced Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
  ++ Expenses for the Pegasus Managed Assets Conservative Fund include expenses
     borne indirectly by the Fund in connection with its investments in the
     Underlying Funds. There is no layering of fees.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without Advisory Fee waivers, Advisory Fees for the Pegasus Managed Assets
    Conservative Fund would be .65% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Managed
    Assets Conservative Funds and Class A and Class B shareholders of the One
    Group(R) Investor Balanced and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waiver, 12b-1 Fees would be .35% for Class A shares of the One Group(R)
    Investor Balanced Fund and Combined Fund. The amount of 12b-1 Fees shown for
    the One Group(R) Investor Balanced Fund and Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Managed Assets
    Conservative Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Managed Assets Conservative Fund has
    voluntarily agreed to limit the total operating expenses to 1.25%, 2.00% and
    1.00%, respectively, for the Class A, Class B and Class I shares.
 
                                      II-15
<PAGE>   110
 
(5) Without the voluntary reduction of Investment Advisory, 12b-1 Fees and other
    expenses, Total Fund Operating Expenses would be 1.38% for Class A Shares,
    2.13% for Class B Shares, and 1.13% for Class I Shares of the Pegasus
    Managed Assets Conservative Fund. Without the voluntary reduction of 12b-1
    fees, Total Fund Operating Expenses for Class A shares of the One Group(R)
    Investor Balanced and Combined Fund would be .55%.
 
(6) After combining the Total Fund Operating Expenses of the One Group(R)
    Investor Balanced Fund and Combined Fund with those of the Underlying Funds,
    the estimated average weighted expense ratio is 1.22% for Class A shares,
    1.97% for Class B shares and .97% for Class I shares. The following examples
    are calculated using Combined total operating expenses.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Managed Assets Conservative Fund
  Class A Shares........................................   $62        $88       $115        $194
  Class A Shares (without fee waivers)..................   $63        $92       $122        $207
  Class B Shares........................................   $70        $93       $128        $204+
  Class B Shares (without fee waivers)..................   $72        $97       $134        $218+
  Class I Shares........................................   $10        $32       $ 55        $122
  Class I Shares (without fee waivers)..................   $12        $36       $ 62        $137
One Group(R) Investor Balanced Fund
  Class A Shares........................................   $57        $83       $111        $189
  Class A Shares (without fee waivers)..................   $59        $88       $119        $208
  Class B Shares........................................   $70        $93       $128        $213**
  Class B Shares (without fee waivers)..................   $71        $95       $131        $223**
  Class I Shares........................................   $10        $32       $ 55        $122
  Class I Shares (without fee waivers)..................   $11        $34       $ 59        $131
Combined Fund Pro Forma
  Class A Shares........................................   $64        $89       $116        $192
  Class A Shares (without fee waivers)..................   $66        $95       $127        $215
  Class B Shares........................................   $70        $92       $126        $210**
  Class B Shares (without fee waivers)..................   $71        $95       $132        $224**
  Class I Shares........................................   $10        $31       $ 54        $119
  Class I Shares (without fee waivers)..................   $11        $34       $ 60        $132
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Investor Balanced Fund and the Combined
   Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
                                      II-16
<PAGE>   111
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Managed Assets Conservative Fund
  Class B Shares.......................................   $20        $63       $109        $204+
  Class B Shares (without fee waivers).................   $22        $67       $114        $218+
One Group(R) Investor Balanced Fund
  Class B Shares.......................................   $20        $63       $108        $213**
  Class B Shares (without fee waivers).................   $21        $65       $111        $223**
Combined Funds Pro Forma
  Class B Shares.......................................   $20        $62       $106        $210**
  Class B Shares (without fee waivers).................   $21        $65       $112        $224**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Investor Balanced Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
<TABLE>
<CAPTION>
                                          PEGASUS                    One Group(R)
                                      MANAGED ASSETS               INVESTOR GROWTH &                 COMBINED
                                      BALANCED FUND++               INCOME FUND(1)                FUND PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)...........   5.00%      None     None      4.50%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends.................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+      5.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None       None     None      None      None      None      None      None      None
  Exchange Fees...............   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2).................    .52%       .52%     .52%      .05%      .05%      .05%      .05%      .05%      .05%
12b-1 Fees (after fee
  waivers)(3).................   None        .75%    None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses (after fee
  waivers and expense
  reimbursements).............    .73%       .73%     .48%      .15%      .15%      .15%      .15%      .15%      .15%
Total Fund Operating Expenses
  (after fee waivers and/or
  expense
  reimbursements)(4,5,6)......   1.25%      2.00%    1.00%      .45%     1.20%      .20%      .45%     1.20%      .20%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Investor Growth & Income Fund or Combined Fund
    are purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
                                      II-17
<PAGE>   112
 
  ++ Expenses for the Pegasus Managed Assets Balanced Fund include expenses
     borne indirectly by the Fund in connection with its investments in the
     Underlying Funds. There is no layering of fees.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without Advisory Fee waivers, Advisory Fees for the Pegasus Managed Assets
    Balanced Fund would be .65% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Managed
    Assets Balanced Fund and Class A and Class B shareholders of the One
    Group(R) Investor Growth & Income and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waiver, 12b-1 Fees would be .35% for Class A shares of the One Group(R)
    Investor Growth & Income Fund and Combined Fund. The amount of 12b-1 Fees
    shown for the One Group(R) Investor Growth & Income Fund and Combined Fund
    includes fees for shareholder servicing and distribution. Shareholder
    servicing fees payable by the Class A and Class B shareholders of the
    Pegasus Managed Assets Balanced Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Managed Assets Balanced Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 1.25%,
    2.00% and 1.00%, respectively, for the Class A, Class B and Class I shares.
 
(5) Without the voluntary reduction of Investment Advisory, 12b-1 Fees and Other
    Expenses, Total Fund Operating Expenses would be 1.38% for Class A shares,
    2.13% for Class B shares, and 1.13% for Class I shares of the Pegasus
    Managed Assets Balanced Fund. Without the voluntary reduction of 12b-1 Fees,
    Total Fund Operating Expenses would be .55% for Class A shares of the One
    Group(R) Investor Growth & Income Fund and Combined Fund.
 
(6) After combining the Total Fund Operating Expenses of the One Group(R)
    Investor Growth and Income Fund and Combined with those of the Underlying
    Funds, estimated average weighted expense ratio is 1.26% for Class A shares,
    2.01% for Class B shares and 1.01% for Class I shares. The following
    examples are calculated using Combined total operating expenses.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Managed Assets Balanced Fund
  Class A Shares.......................................   $62        $88       $115        $194
  Class A Shares (without fee waivers).................   $63        $92       $122        $207
  Class B Shares.......................................   $70*       $93       $128        $204+
  Class B Shares (without fee waivers).................   $72        $97       $134        $218+
  Class I Shares.......................................   $10        $32       $ 55        $122
  Class I Shares (without fee waivers).................   $12        $36       $ 62        $137
One Group(R) Investor Growth & Income Fund Class A
  Shares...............................................   $58        $84       $113        $195
  Class A Shares (without fee waivers).................   $59        $89       $121        $212
  Class B Shares.......................................   $71        $94       $130        $219**
  Class B Shares (without fee waivers).................   $71        $96       $133        $228**
  Class I Shares.......................................   $11        $33       $ 58        $128
  Class I Shares (without fee waivers).................   $11        $35       $ 61        $135
Combined Fund Pro Forma
  Class A Shares.......................................   $65        $90       $118        $197
  Class A Shares (without fee waivers).................   $66        $96       $128        $217
  Class B Shares.......................................   $70        $93       $128        $214**
  Class B Shares (without fee waivers).................   $71        $96       $133        $227**
  Class I Shares.......................................   $10        $32       $ 56        $124
  Class I Shares (without fee waivers).................   $11        $35       $ 61        $134
</TABLE>
 
                                      II-18
<PAGE>   113
 
- ---------------
 
** Class B shares of the One Group(R) Investor Growth & Income Fund and the
   Combined Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Managed Assets Balanced Fund
  Class B Shares.......................................   $20        $63       $108        $204+
  Class B Shares (without fee waivers).................   $22        $67       $114        $218+
One Group(R) Investor Growth & Income Fund
  Class B Shares.......................................   $21        $64       $110        $219**
  Class B Shares (without fee waivers).................   $21        $66       $113        $228**
Combined Funds Pro Forma
  Class B Shares.......................................   $20        $63       $108        $214**
  Class B Shares (without fee waivers).................   $21        $66       $113        $227**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Investor Growth & Income Fund and the
   Combined Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
<TABLE>
<CAPTION>
                                          PEGASUS                    One Group(R)
                                      MANAGED ASSETS                INVESTOR GROWTH                  COMBINED
                                       GROWTH FUND++                    FUND(1)                   FUND PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)...........   5.00%      None     None      4.50%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends.................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+      5.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None       None     None      None      None      None      None      None      None
  Exchange Fees...............   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2).................    .23%       .23%     .23%      .05%      .05%      .05%      .05%      .05%      .05%
12b-1 Fees (after fee
  waivers)(3).................   None        .75%    None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses................   1.02%      1.02%     .77%      .15%      .15%      .15%      .15%      .15%      .15%
Total Fund Operating Expenses
  (after fee waivers and/or
  expense
  reimbursements)(4,5,6)......   1.25%      2.00%    1.00%      .45%     1.20%      .20%      .45%     1.20%      .20%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Investor Growth Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the
 
                                      II-19
<PAGE>   114
 
    Shareholder Servicing Agent. In addition, a $10.00 sub-minimum account fee
    may be applicable and a $7.00 charge will be deducted from the redemption
    amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
  ++ Expenses for the Pegasus Managed Assets Growth Fund include expenses borne
     indirectly by the Fund in connection with its investments in the Underlying
     Funds. There is no layering of fees.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without Advisory Fee waivers, Advisory Fees for the Pegasus Managed Assets
    Growth Fund would be .65% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Managed
    Assets Growth Fund and Class A and Class B shareholders of the One Group(R)
    Investor Growth Fund and Combined Fund may pay more than the equivalent of
    the maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares of the One Group(R) Investor Growth Fund
    and Combined Fund. The amount of 12b-1 Fees shown for the One Group(R)
    Investor Growth Fund and Combined Fund includes fees for shareholder
    servicing and distribution. Shareholder servicing fees payable by the Class
    A and Class B shareholders of the Pegasus Managed Assets Growth Fund are
    reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Managed Assets Growth Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 1.25%,
    2.00% and 1.00%, respectively, for the Class A, Class B and Class I shares.
 
(5) Without the voluntary reduction of Investment Advisory and 12b-1 Fees, Total
    Fund Operating Expenses would be 1.67% for Class A shares, 2.42% for Class B
    shares, and 1.42% for Class I shares of the Pegasus Managed Assets Growth
    Fund. Without the voluntary reduction of 12b-1 Fees, Total Fund Operating
    Expenses would be .55% for Class A shares of the One Group(R) Investor
    Growth Fund and Combined Fund.
 
(6) After combining the Total Fund Operating Expenses of the One Group(R)
    Investor Growth Fund and Combined Fund with those of the Underlying Funds,
    the estimated average weighted expense ratio is 1.28% for Class A shares,
    2.03% for Class B shares and 1.03% for Class I shares. The following
    examples are calculated using Combined total operating expenses.
 
                                      II-20
<PAGE>   115
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Managed Assets Growth Fund
  Class A Shares.......................................   $62       $ 88       $115        $194
  Class A Shares (without fee waivers).................   $66       $100       $136        $238
  Class B Shares.......................................   $70       $ 93       $128        $204+
  Class B Shares (without fee waivers).................   $75       $105       $149        $248+
  Class I Shares.......................................   $10       $ 32       $ 55        $122
  Class I Shares (without fee waivers).................   $14       $ 45       $ 78        $170
One Group(R) Investor Growth Fund
  Class A Shares.......................................   $58       $ 85       $114        $197
  Class A Shares (without fee waivers).................   $59       $ 89       $121        $212
  Class B Shares.......................................   $71       $ 95       $131        $221**
  Class B Shares (without fee waivers).................   $71       $ 96       $133        $228**
  Class I Shares.......................................   $11       $ 34       $ 59        $131
  Class I Shares (without fee waivers).................   $11       $ 35       $ 61        $135
Combined Fund Pro Forma
  Class A Shares.......................................   $65       $ 91       $119        $199
  Class A Shares (without fee waivers).................   $67       $ 96       $128        $218
  Class B Shares.......................................   $71       $ 94       $129        $217**
  Class B Shares (without fee waivers).................   $71       $ 96       $133        $228**
  Class I Shares.......................................   $11       $ 33       $ 57        $126
  Class I Shares (without fee waivers).................   $11       $ 35       $ 61        $135
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Investor Growth Fund and the Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Managed Assets Growth Fund
  Class B Shares.......................................   $20        $63       $108        $204+
  Class B Shares (without fee waivers).................   $25        $75       $129        $248+
One Group(R) Investor Growth Fund
  Class B Shares.......................................   $21        $65       $111        $221**
  Class B Shares (without fee waivers).................   $21        $66       $113        $228**
Combined Funds Pro Forma Class B Shares................   $21        $64       $109        $217**
  Class B Shares (without fee waivers).................   $21        $66       $113        $228**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Investor Growth Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-21
<PAGE>   116
 
<TABLE>
<CAPTION>
                                          PEGASUS                    ONE GROUP(R)                  COMBINED FUND
                                    EQUITY INCOME FUND           INCOME EQUITY FUND(1)               PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)....................   5.00%     None      None      4.50%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends.................   None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+     5.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None      None      None      None      None      None      None      None      None
  Exchange Fees...............   None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES (as
  a percentage of average
  daily net assets)
Advisory Fees (after fee
  waiver)(2)..................    .50%      .50%      .50%      .74%      .74%      .74%      .66%      .66%      .66%
12b-1 Fees (after fee
  waivers)(3).................   None       .75%     None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses (after fee
  waiver)(4)..................    .45%      .45%      .20%      .26%      .26%      .26%      .14%      .14%      .14%
Total Fund Operating Expenses
  (after fee waivers)(5,6)....    .95%     1.70%      .70%     1.25%     2.00%     1.00%     1.05%     1.80%      .80%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Income Equity Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the Fee Waiver, Advisory Fees for the combined fund would be .74%
    for all classes of shares
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Equity
    Income Fund and Class A and Class B Shareholders of the One Group(R) Income
    Equity Fund and Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares of the One Group(R) Income Equity Fund and
    Combined Fund. The amount of 12b-1 Fees shown for the One Group(R) Income
    Equity Fund and Combined Fund includes fees for shareholder servicing and
    distribution. Shareholder servicing fees payable by the Class A and Class B
    shareholders of the Pegasus Income Equity Fund are reflected under "Other
    Expenses."
 
(4) Without fee waivers, Other Expenses would be .22% for all classes of shares
    of the Combined Fund.
 
(5) The Investment Adviser of the Pegasus Equity Income Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to 1.21%, 1.96% and .96%,
    respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of 12b-1 Fees, Advisory fees, and Other
    Expenses, Total Fund Operating Expenses would be 1.35% for Class A shares of
    the One Group(R) Income Equity Fund and 1.31% for Class A Shares 1.96% for
    Class B Shares and .96% for Class I Shares of the Combined Fund.
 
                                      II-22
<PAGE>   117
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Equity Income Fund
  Class A Shares........................................   $59        $79       $100        $161
  Class B Shares........................................   $67        $84       $113        $173+
  Class I Shares........................................   $ 7        $22       $ 39        $ 87
One Group(R) Income Equity Fund
  Class A Shares........................................   $57        $83       $111        $189
  Class A Shares (without fee waivers)..................   $58        $86       $116        $200
  Class B Shares........................................   $70        $93       $128        $213**
  Class I Shares........................................   $10        $32       $ 55        $122
Combined Fund Pro Forma
  Class A Shares........................................   $63        $84       $107        $174
  Class A Shares (without fee waivers)..................   $65        $92       $121        $202
  Class B Shares........................................   $68        $87       $117        $192**
  Class B Shares (without fee waivers)..................   $70        $92       $126        $212
  Class I Shares........................................   $ 8        $26       $ 44        $ 99
  Class I Shares (without fee waivers)..................   $10        $31       $ 53        $118
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Income Equity and the Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Equity Income Fund
  Class B Shares.......................................   $17        $54       $ 93        $173+
One Group(R) Income Equity Fund
  Class B Shares.......................................   $20        $63       $108        $213**
Combined Funds Pro Forma
  Class B Shares.......................................   $18        $57       $ 97        $192**
  Class B Shares (without fee Waivers).................   $20        $62       $106        $212**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Income Equity Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-23
<PAGE>   118
 
<TABLE>
<CAPTION>
                                                                     One Group(R)
                                          PEGASUS                LARGE COMPANY GROWTH                COMBINED
                                        GROWTH FUND                     FUND(1)                   FUND PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)....................   5.00%     None      None      4.50%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends.................   None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+     5.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None      None      None      None      None      None      None      None      None
  Exchange Fees...............   None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees.................    .60%      .60%      .60%      .74%      .74%      .74%      .71%      .71%      .71%
12b-1 Fees (after fee
  waivers)(2).................   None       .75%     None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses................    .47%      .47%      .22%      .26%      .26%      .26%      .21%      .21%      .21%
Total Fund Operating Expenses
  (after fee waivers)(3,4)....   1.07%     1.82%      .82%     1.25%     2.00%     1.00%     1.17%     1.92%      .92%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Large Company Growth Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Growth Fund
    and Class A and Class B shareholders of the One Group(R) Large Company
    Growth Fund and the Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares of the One Group(R) Large Company Growth
    Fund and Combined Fund. The amount of 12b-1 Fees shown for the One Group(R)
    Large Company Growth Fund and Combined Fund includes fees for shareholder
    servicing and distribution. Shareholder servicing fees payable by the Class
    A and Class B shareholders of the Pegasus Growth Fund are reflected under
    "Other Expenses."
 
(3) The Investment Adviser of the Pegasus Growth Fund has voluntarily agreed to
    limit the Total Fund Operating Expenses to 1.25%, 2.00% and 1.00%,
    respectively, for the Class A, Class B and Class I shares.
 
(4) Without the voluntary reduction of 12b-1 Fees, Total Fund Operating Expenses
    would be 1.35% for Class A shares of the One Group(R) Large Company Growth
    Fund and 1.27% for Class A Shares of the Combined Fund.
 
                                      II-24
<PAGE>   119
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Growth Fund
  Class A Shares.......................................   $60        $82       $106        $175
  Class B Shares.......................................   $69        $88       $119        $186+
  Class I Shares.......................................   $ 8        $27       $ 46        $103
One Group(R) Large Company Growth Fund
  Class A Shares.......................................   $57        $83       $111        $189
  Class A Shares (without fee waivers).................   $58        $86       $116        $200
  Class B Shares.......................................   $70        $93       $128        $213**
  Class I Shares.......................................   $10        $32       $ 55        $122
Combined Fund Pro Forma
  Class A Shares.......................................   $64        $88       $113        $187
  Class A Shares (without fee waivers).................   $65        $91       $119        $198
  Class B Shares.......................................   $69        $90       $124        $205**
  Class I Shares.......................................   $ 9        $29       $ 51        $113
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Large Company Growth Fund and the Combined
   Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Growth Fund
  Class B Shares.......................................   $19        $58       $ 99        $186+
One Group(R) Large Company Growth Fund
  Class B Shares.......................................   $20        $63       $108        $213**
Combined Funds Pro Forma (R)Class B Shares.............   $19        $60       $104        $205**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Large Company Growth Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-25
<PAGE>   120
 
<TABLE>
<CAPTION>
                                      PEGASUS MID CAP          ONE GROUP(R) DIVERSIFIED
                                     OPPORTUNITY FUND                MID CAP FUND*            COMBINED FUND PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)....................   5.00%      None     None      5.25%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends.................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+      5.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None       None     None      None      None      None      None      None      None
  Exchange Fees...............   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(1).................    .60%       .60%     .60%      .60%      .60%      .60%      .60%      .60%      .60%
12b-1 Fees (after fee
  waivers)(2).................   None        .75%    None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses (after fee
  waivers)(3).................    .54%       .54%     .29%      .26%      .26%      .26%      .26%      .26%      .26%
Total Fund Operating Expenses
  (after fee waivers)(4)......   1.14%      1.89%     .89%     1.11%     1.86%      .86%     1.11%     1.86%      .86%
</TABLE>
 
- ---------------
 
  * The One Group(R) Diversified Mid Cap Fund has not yet commenced operations.
    The One Group(R) Diversified Mid Cap Fund will continue the operations of
    the Pegasus Mid Cap Opportunity Fund upon consummation of the Reorganization
    relating to the Fund.
 
 ** If shares of the One Group(R) Diversified Mid Cap Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Without the fee waivers, Advisory Fees for the One Group(R) Diversified Mid
    Cap Fund and Combined Fund would be .74% for all classes of shares.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Mid-Cap
    Opportunity Fund and long-term Class A and Class B shareholders of the One
    Group(R) Diversified Mid Cap Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waiver, 12b-1 Fees would be .35% for Class A shares. The amount of 12b-1
    fees shown for the One Group(R) Diversified Mid Cap Fund and Combined Fund
    includes fees for shareholders servicing and distribution. Shareholders
    servicing fees payable by the Class A and Class B shareholders of the
    Pegasus Mid-Cap Opportunity Fund are reflected under "Other Expenses."
 
(3) Without the fee waiver, Other Expenses for the One Group(R) Diversified Mid
    Cap Fund and Combined Fund would be .27% for all classes of shares.
 
(4) The Investment Adviser of the Pegasus Mid-Cap Opportunity Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 1.27%,
    2.02% and 1.02%, respectively, for the Class A, Class B and Class I shares.
    Without the voluntary reduction of Investment Advisory, 12b-1 and other
    Fees, Total Fund Operating Expenses for the One Group(R) Diversified Mid Cap
    Fund and Combined Fund would be 1.36% for Class A shares, 2.01% for Class B
    shares and 1.01% for Class I shares.
 
                                      II-26
<PAGE>   121
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Mid Cap Opportunity Fund
  Class A Shares.......................................   $61        $85       $110        $182
  Class B Shares.......................................   $69        $90       $123        $194+
  Class I Shares.......................................   $ 9        $29       $ 50        $110
One Group(R) Diversified Mid Cap Fund
  Class A Shares.......................................   $63        $86       $110        $181
  Class A Shares (without fee waivers).................   $66        $93       $123        $207
  Class B Shares.......................................   $69        $88       $121        $198**
  Class B Shares (without fee waivers).................   $70        $93       $128        $217**
  Class I Shares.......................................   $ 9        $27       $ 48        $106
  Class I Shares (without fee waivers).................   $10        $32       $ 56        $124
Combined Fund Pro Forma
  Class A Shares.......................................   $63        $86       $110        $181
  Class A Shares (without fee waivers).................   $66        $93       $123        $207
  Class B Shares.......................................   $69        $88       $121        $198**
  Class B Shares (without fee waivers).................   $70*       $93       $128        $217**
  Class I Shares.......................................   $ 9        $27       $ 48        $106
  Class I Shares (without fee waivers).................   $10        $32       $ 56        $124
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Diversified MidCap Fund and Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Mid Cap Opportunity Fund
  Class B Shares.......................................   $19        $60       $103        $194+
One Group(R) Diversified MidCap Fund
  Class B Shares.......................................   $19        $58       $101        $198**
  Class B Shares (without fee waivers).................   $20        $63       $108        $217**
Combined Funds Pro Forma
  Class B Shares.......................................   $19        $58       $101        $198**
  Class B Shares (without fee waivers).................   $20        $63       $108        $217**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Diversified MidCap Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-27
<PAGE>   122
 
<TABLE>
<CAPTION>
                                       PEGASUS SMALL-CAP          ONE GROUP(R) SMALL CAP             COMBINED FUND
                                       OPPORTUNITY FUND                 VALUE FUND*                    PRO FORMA
                                  ---------------------------   ---------------------------   ---------------------------
                                  CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                  SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                  -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                               <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)......................   5.00%      None      None     5.25%      None      None     5.25%      None      None
  Sales Charge on Reinvested
    Dividends...................    None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or redemption
    proceeds, as applicable)....    None+    5.00%      None      None+    5.00%      None      None+    5.00%      None
  Redemption Fees...............    None      None      None      None      None      None      None      None      None
  Exchange Fees.................    None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
    daily net assets)
Advisory Fees (after fee
  waivers)(1)...................    .70%      .70%      .70%      .70%      .70%      .70%      .70%      .70%      .70%
12b-1 Fees (after fee
  waivers)(2)...................    None      .75%      None      .25%     1.00%      None      .25%     1.00%      None
Other Expenses(3)...............    .49%      .49%      .24%      .21%      .21%      .21%      .21%      .21%      .21%
Total Fund Operating Expenses
  (after fee waivers)(4)........   1.19%     1.94%      .94%     1.16%     1.91%      .91%     1.16%     1.91%      .91%
</TABLE>
 
- ---------------
 
  * The One Group(R) Small Cap Value Fund has not yet commenced investment
    operations. The One Group(R) Small Cap Value Fund will continue the
    operations of the Pegasus Small-Cap Opportunity Fund upon consummation of
    the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Small Cap Value Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Without the fees waivers, Advisory Fees for the One Group(R) Small Cap Value
    Fund and Combined Fund would be .74% for all classes of shares.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Small-Cap
    Opportunity Fund and long-term Class A and Class B shareholders of the One
    Group(R) Small Cap Value Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waiver, 12b-1 Fees for A shares of the One Group(R) Small Cap Value Fund and
    Combined Fund would be .35%. The amount of 12b-1 Fees shown for the One
    Group(R) Small Cap Value Fund and Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Small-Cap Opportunity
    Fund are reflected under "Other Expenses."
 
(3) Other Expenses for the One Group(R) Small Cap Value Fund and Combined Fund
    are based on estimated amounts for the current fiscal year. Without the fee
    waiver, Other Expenses for the One Group(R) Small Cap Value Fund and
    Combined Fund would be .22% for all classes of shares.
 
(4) The Investment Adviser of the Pegasus Small Cap Opportunity Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 1.42%,
    2.17% and 1.17%, respectively, for the Class A, Class B and Class I shares.
    Without the voluntary reduction of Investment Advisory, 12b-1 and other
    Fees, Total
 
                                      II-28
<PAGE>   123
 
    Fund Operating Expenses for the One Group(R) Small Cap Value Fund and
    Combined Fund would be 1.31% for Class A Shares, 1.96% for Class B shares
    and .96% for Class I shares.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Small-Cap Opportunity Fund
  Class A Shares........................................   $62        $86       $112        $188
  Class B Shares........................................   $70        $91       $126        $199+
  Class I Shares........................................   $10        $30       $ 52        $116
One Group(R) Small Cap Value Fund
  Class A Shares........................................   $64        $87       $113        $186
  Class A Shares (without fee waivers)..................   $65        $92       $121        $202
  Class B Shares........................................   $69        $90       $123        $204**
  Class B Shares (without fee waivers)..................   $70        $92       $126        $212**
  Class I Shares........................................   $ 9        $29       $ 50        $112
  Class I Shares (without fee waivers)..................   $10        $31       $ 53        $118
Combined Fund Pro Forma
  Class A Shares........................................   $64        $87       $113        $186
  Class A Shares (without fee waivers)..................   $65        $92       $121        $202
  Class B Shares........................................   $69        $90       $123        $204**
  Class B Shares (without fee waivers)..................   $70        $92       $126        $212**
  Class I Shares........................................   $ 9        $29       $ 50        $112
  Class I Shares (without fee waivers)..................   $10        $31       $ 53        $118
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Small Cap Value Fund and Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Small-Cap Opportunity Fund
  Class B Shares.......................................   $20        $61       $106        $199+
One Group(R) Small Cap Value Fund
  Class B Shares.......................................   $19        $60       $103        $204**
  Class B Shares (without fee waivers).................   $20        $62       $106        $212**
Combined Funds Pro Forma
  Class B Shares.......................................   $19        $60       $103        $204**
  Class B Shares (without fee waivers).................   $20        $62       $106        $212**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Small Cap Value Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-29
<PAGE>   124
 
<TABLE>
<CAPTION>
                                       PEGASUS INTRINSIC         ONE GROUP(R) DISCIPLINED            COMBINED FUND
                                          VALUE FUND                   VALUE FUND(1)                   PRO FORMA
                                  ---------------------------   ---------------------------   ---------------------------
                                  CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                  SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                  -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                               <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)......................   5.00%      None      None     4.50%      None      None     5.25%      None      None
  Sales Charge on Reinvested
    Dividends...................    None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or redemption
    proceeds, as applicable)....    None+    5.00%      None      None+    5.00%      None      None+    5.00%      None
  Redemption Fees...............    None      None      None      None      None      None      None      None      None
  Exchange Fees.................    None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
    daily net assets)
Advisory Fees...................    .60%      .60%      .60%      .74%      .74%      .74%      .74%      .74%      .74%
12b-1 Fees (after fee
  waiver)(2)....................    None      .75%      None      .25%     1.00%      None      .25%     1.00%      None
Other Expenses..................    .49%      .49%      .24%      .26%      .26%      .26%      .20%      .20%      .20%
Total Fund Operating Expenses
  (after fee waivers)(3,4)......   1.09%     1.84%      .84%     1.25%     2.00%     1.00%     1.19%     1.94%      .94%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Disciplined Value Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Intrinsic
    Value Fund and Class A and Class B shares of the One Group(R) Disciplined
    Value Fund and the Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares of the One Group(R) Disciplined Value Fund
    and Combined Fund. The amount of 12b-1 Fees shown for the One Group(R)
    Disciplined Value Fund and Combined Fund includes fees for shareholder
    servicing and distribution. Shareholder servicing fees payable by the Class
    A and Class B shareholders of the Pegasus Intrinsic Value Fund are reflected
    under "Other Expenses."
 
(3) The Investment Adviser of the Pegasus Intrinsic Value Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to 1.19%, 1.94% and 0.94%,
    respectively, for the Class A, Class B and Class I shares.
 
(4) Without the voluntary reduction of 12b-1 Fees, Total Fund Operating Expenses
    would be 1.35% for Class A shares of the One Group(R) Disciplined Value Fund
    and 1.29% for Class A Shares of the Combined Fund.
 
                                      II-30
<PAGE>   125
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Intrinsic Value Fund
  Class A Shares........................................   $61        $83       $107        $177
  Class B Shares........................................   $69        $88       $120        $188+
  Class I Shares........................................   $ 9        $27       $ 47        $104
One Group(R) Disciplined Value Fund
  Class A Shares........................................   $57        $83       $111        $189
  Class A Shares (without fee waivers)..................   $58        $86       $116        $200
  Class B Shares........................................   $70        $93       $128        $213**
  Class I Shares........................................   $10        $32       $ 55        $122
Combined Fund Pro Forma
  Class A Shares........................................   $64        $88       $114        $189
  Class A Shares (without fee waivers)..................   $65        $91       $120        $200
  Class B Shares........................................   $70        $91       $125        $207**
  Class I Shares........................................   $10        $30       $ 52        $115
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Mid Cap Value Fund and the Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Intrinsic Value Fund
  Class B Shares.......................................   $19        $58       $100        $188+
One Group(R) Disciplined Value Fund
  Class B Shares.......................................   $20        $63       $108        $213**
Combined Funds Pro Forma
  Class B Shares.......................................   $20        $61       $105        $207**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Disciplined Value Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-31
<PAGE>   126
 
<TABLE>
<CAPTION>
                                      PEGASUS GROWTH AND               ONE GROUP(R)                  COMBINED FUND
                                          VALUE FUND               VALUE GROWTH FUND(1)                PRO FORMA
                                  ---------------------------   ---------------------------   ---------------------------
                                  CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                  SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                  -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                               <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases (as a
    percentage of offering
    price)......................   5.00%      None      None     4.50%      None      None     5.25%      None      None
  Sales Charge on Reinvested
    Dividends...................    None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or redemption
    proceeds, as applicable)....    None+    5.00%      None      None+    5.00%      None      None+    5.00%      None
  Redemption Fees...............    None      None      None      None      None      None      None      None      None
  Exchange Fees.................    None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
    daily net assets)
Advisory Fees...................    .60%      .60%      .60%      .74%      .74%      .74%      .73%      .73%      .73%
12b-1 Fees (after fee
  waivers)(2)...................    None      .75%      None      .25%     1.00%      None      .25%     1.00%      None
Other Expenses..................    .51%      .51%      .26%      .26%      .26%      .26%      .23%      .23%      .23%
Total Fund Operating Expenses
  (after fee waivers)(3,4)......   1.11%     1.86%      .86%     1.25%     2.00%     1.00%     1.21%     1.96%      .96%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Value Growth Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Growth and
    Value Fund and Class A and Class B shares of the One Group(R) Value Growth
    Fund and Combined Fund may pay more than the equivalent of the maximum
    front-end sales charges permitted by the rules of the National Association
    of Securities Dealers. Without the voluntary waiver, 12b-1 Fees would be
    .35% for Class A shares of the One Group(R) Value Growth Fund and Combined
    Fund. The amount of 12b-1 Fees shown for the One Group(R) Value Growth Fund
    and Combined Fund includes fees for shareholder servicing and distribution.
    Shareholder servicing fees payable by the Class A and Class B shareholders
    of the Pegasus Growth and Value Fund are reflected under "Other Expenses."
 
(3) The Investment Adviser of the Pegasus Growth and Value Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to 1.12%, 1.87% and 0.87%,
    respectively, for the Class A, Class B and Class I shares.
 
(4) Without the voluntary reduction of 12b-1 Fees, Total Fund Operating Expenses
    would be 1.35% for Class A shares of the One Group(R) Value Growth Equity
    Fund and 1.31% for Class A shares of the Combined Fund.
 
                                      II-32
<PAGE>   127
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Growth and Value Fund
  Class A Shares........................................   $61        $84       $108        $179
  Class B Shares........................................   $69        $89       $121        $190+
  Class I Shares........................................   $ 9        $28       $ 48        $106
One Group(R) Value Growth Fund
  Class A Shares........................................   $57        $83       $111        $189
  Class A Shares (without fee waivers)..................   $58        $86       $116        $200
  Class B Shares........................................   $70        $93       $128        $213**
  Class I Shares........................................   $10        $32       $ 55        $122
Combined Fund Pro Forma
  Class A Shares........................................   $64        $89       $116        $191
  Class A Shares (without fee waivers)..................   $65        $92       $121        $202
  Class B Shares........................................   $70        $92       $126        $209**
  Class I Shares........................................   $10        $31       $ 53        $118
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Diversified Equity Fund and the Combined
   Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Growth and Value Fund
  Class B Shares.......................................   $19        $59       $101        $190+
One Group(R) Value Growth Fund
  Class B Shares.......................................   $20        $63       $108        $213**
Combined Funds Pro Forma
  Class B Shares.......................................   $20        $62       $106        $209**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Value Growth Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-33
<PAGE>   128
 
<TABLE>
<CAPTION>
                                                    PEGASUS                    ONE GROUP(R)                    COMBINED
                                               EQUITY INDEX FUND           EQUITY INDEX FUND(1)             FUND PRO FORMA
                                          ---------------------------   ---------------------------   ---------------------------
                                          CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                          SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                          -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                                       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed on
    Purchases (as a percentage of
    offering price).....................   3.00%     None      None      4.50%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends...........................   None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred Sales
    Charge (as a percentage of original
    purchase price or redemption
    proceeds, as applicable)............   None+     3.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.......................   None      None      None      None      None      None      None      None      None
  Exchange Fees.........................   None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
    assets)
Advisory Fees (after fee waivers)(2)....    .10%      .10%      .10%      .25%      .25%      .25%      .15%      .15%      .15%
12b-1 Fees (after fee waivers)(3).......   None       .75%     None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses(4).......................    .55%      .55%      .30%      .25%      .25%      .25%      .21%      .21%      .21%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(5,6)..................    .65%     1.40%      .40%      .75%     1.50%      .50%      .61%     1.36%      .36%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Equity Index Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Equity Index
    Fund and Combined Fund would be .30% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Equity
    Index Fund and long-term Class A and Class B shares of the One Group(R)
    Equity Index Fund and Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares of the One Group(R) Equity Index Fund and
    Combined Fund. The amount of 12b-1 Fees shown for the One Group(R) Equity
    Index Fund and Combined Fund includes fees for shareholder servicing and
    distribution. Shareholder servicing fees payable by the Class A and Class B
    shareholders of the Pegasus Equity Index Fund are reflected under "Other
    Expenses."
 
(4) Without the fee waiver, Other Expenses for the Combined Fund would be .28%
    for all classes of shares.
 
(5) The Investment Adviser of the Pegasus Equity Index Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to .86%, 1.41% and .51%,
    respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory, 12b-1 and other
    Fees, Total Fund Operating Expenses would be .90% for Class A shares, 1.55%
    for Class B shares, and .55% for Class I shares of the One Group(R) Equity
    Index Fund and .93% for Class A shares, 1.58% for Class B shares and .58%
    for Class I shares of the Combined Fund.
 
                                      II-34
<PAGE>   129
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (2)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Equity Index Fund
  Class A Shares........................................   $36        $50       $ 65        $109
  Class B Shares........................................   $44        $65       $ 87        $129+
  Class I Shares........................................   $ 4        $13       $ 22        $ 51
One Group(R) Equity Index Fund
  Class A Shares........................................   $52        $68       $ 85        $134
  Class A Shares (without fee waivers)..................   $54        $72       $ 93        $151
  Class B Shares........................................   $65        $77       $102        $159**
  Class B Shares (without fee waivers)..................   $66        $79       $104        $167**
  Class I Shares........................................   $ 5        $16       $ 28        $ 63
  Class I Shares (without fee waivers)..................   $ 6        $18       $ 31        $ 69
Combined Fund Pro Forma
  Class A Shares........................................   $58        $71       $ 85        $125
  Class A Shares (without fee waivers)..................   $61        $81       $101        $161
  Class B Shares........................................   $64        $73       $ 94        $143**
  Class B Shares (without fee waivers)..................   $66        $80       $106        $170**
  Class I Shares........................................   $ 4        $12       $ 20        $ 46
  Class I Shares (without fee waivers)..................   $ 6        $19       $ 32        $ 73
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Equity Index Fund and Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                          1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                          ------    -------    -------    --------
<S>                                                       <C>       <C>        <C>        <C>
Pegasus Equity Index Fund
  Class B Shares........................................   $14        $45        $77        $129+
One Group(R) Equity Index Fund
  Class B Shares........................................   $15        $47        $82        $159**
  Class B Shares (without fee waivers)..................   $16        $49        $84        $167**
Combined Funds Pro Forma
  Class B Shares........................................   $14        $43        $74        $143**
  Class B Shares (without fee waivers)..................   $16        $50        $86        $170**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Equity Index Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-35
<PAGE>   130
 
<TABLE>
<CAPTION>
                                                    PEGASUS                    One Group(R)
                                               MARKET EXPANSION              MARKET EXPANSION                  COMBINED
                                                 INDEX FUND(1)                  INDEX FUND*                 FUND PRO FORMA
                                          ---------------------------   ---------------------------   ---------------------------
                                          CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                          SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                          -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                                       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed on
    Purchases (as a percentage of
    offering price).....................    3.00%    None      None       5.25%    None      None       5.25%    None      None
  Transaction Fee Imposed on
    Purchases***........................     .50%     .50%      .50%       .50%     .50%      .50%       .50%     .50%      .50%
  Sales Charge on Reinvested
    Dividends...........................    None     None      None       None     None      None       None     None      None
  Maximum Contingent Deferred Sales
    Charge (as a percentage of original
    purchase price or redemption
    proceeds, as applicable)............   None+     3.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.......................    None     None      None       None     None      None       None     None      None
  Exchange Fees.........................    None     None      None       None     None      None       None     None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily net
    assets)
Advisory Fees (after fee waivers)(2)....     .00%     .00%      .00%       .15%     .15%      .15%       .15%     .15%      .15%
12b-1 Fees(3)...........................    None      .75%     None        .25%    1.00%     None        .25%    1.00%     None
Other Expenses (after fee waivers and/or
  expense reimbursements)(4)............     .82%     .82%      .57%       .42%     .42%      .42%       .42%     .42%      .42%
Total Fund Operating Expenses (after fee
  waivers and/or expense
  reimbursements)(5,6)..................     .82%    1.57%      .57%       .82%    1.57%      .57%       .82%    1.57%      .57%
</TABLE>
 
- ---------------
 
  * The One Group(R) Market Expansion Index Fund has not yet commenced
    operations. The One Group(R) Market Expansion Index Fund will continue the
    operations of the Pegasus Market Expansion Index Fund upon consummation of
    the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Market Expansion Index Fund or Combined Fund
    are purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Agent. In
    addition, a $7.00 charge is deducted from the redemptions amounts paid by
    wire.
 
*** To prevent the Pegasus Market Expansion Index Fund and the One Group(R)
    Market Expansion Index Fund from being adversely affected by the transaction
    costs associated with share purchases, the Fund will sell shares at a price
    equal to the net asset value of the shares plus a transaction fee equal to
    0.50% of such value. Such fees are not sales charges, but are retained by
    the Fund for the benefit of all shareholders. This fee will not apply to
    in-kind contributions, reinvested dividends or capital gain contributions;
    however, it will apply to exchanges. Furthermore, a sales charge will also
    be imposed on purchases of Class A shares. Currently, a transaction fee is
    not being charged; however, the Fund reserves the right to impose this fee
    at a future date.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the voluntary reduction of Investment Advisory fee waivers, Advisory
    Fees for the Pegasus Market Expansion Index Fund would be .25% for all
    classes of shares. Without the fee waivers, Advisory Fees for the One
    Group(R) Market Expansion Index Fund and Combined Fund would be .35% for all
    classes.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Market
    Expansion Index Fund and long-term Class A and Class B shareholders of the
    One Group(R) Market Expansion Index Fund and Combined Fund may pay more than
    the equivalent of the maximum front-end sales charges permitted by the rules
    of the National Association of Securities Dealers. Without the voluntary
    waivers, 12b-1 fees would be .35% for Class A shares of the One Group(R)
    Market Expansion Index Fund and Combined Fund. The amount of 12b-1 Fees
    shown for the One Group(R) Market Expansion Index Fund and
 
                                      II-36
<PAGE>   131
 
    Combined Fund includes fees for shareholder servicing and distribution.
    Shareholder servicing fees payable by the Class A and Class B shareholders
    of the Pegasus Market Expansion Index Fund are reflected under "Other
    Expenses."
 
(4) Without the fee waiver, Other Expenses for the One Group(R) Market Expansion
    Index Fund and Combined Fund would be .52% for all classes of shares.
 
(5) The Investment Adviser of the Pegasus Market Expansion Index Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to .82%, 1.57%
    and .57%, respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory fees and Other
    Expenses, Total Fund Operating Expenses would be 1.17% for Class A shares,
    1.92% for Class B shares, and .92% for Class I shares of the Pegasus Market
    Expansion Index Fund and 1.22% for Class A shares, 1.87% for Class B shares
    and .87% for Class I shares of the One Group(R) Market Expansion Index Fund
    and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Market Expansion Index Fund
  Class A Shares.........................................   $38        $55        N/A         N/A
  Class B Shares.........................................   $46        $70        N/A         N/A
  Class I Shares.........................................   $ 6        $18        N/A         N/A
One Group(R) Market Expansion Index Fund
  Class A Shares.........................................   $60        $77       $ 96        $149
  Class A Shares (without fee waivers)...................   $64        $89       $116        $192
  Class B Shares.........................................   $66        $80       $106        $167
  Class B Shares (without fee waivers)...................   $69        $89       $121        $202
  Class I Shares.........................................   $ 6        $18       $ 32        $ 71
  Class I Shares (without fee waivers)...................   $ 9        $28       $ 48        $107
Combined Fund Pro Forma
  Class A Shares.........................................   $60        $77       $ 96        $149
  Class A Shares (without fee waivers)...................   $64        $89       $116        $192
  Class B Shares.........................................   $66        $80       $106        $167
  Class B Shares (without fee waivers)...................   $69        $89       $121        $202
  Class I Shares.........................................   $ 6        $18       $ 32        $ 71
  Class I Shares (without fee waivers)...................   $ 9        $28       $ 48        $107
</TABLE>
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Market Expansion Index Fund
  Class B Shares.........................................   $16        $50        N/A         N/A
One Group(R) Market Expansion Index Fund
  Class B Shares.........................................   $16        $50       $ 86        $167
  Class B Shares (without fee Waivers)...................   $19        $59       $101        $202
Combined Funds Pro Forma
  Class B Shares.........................................   $16        $50       $ 86        $167
  Class B Shares (without fee waivers)...................   $19        $59       $101        $202
</TABLE>
 
                                      II-37
<PAGE>   132
 
<TABLE>
<CAPTION>
                                         PEGASUS                    One Group(R)
                                      INTERNATIONAL                  DIVERSIFIED                    COMBINED
                                       EQUITY FUND               INTERNATIONAL FUND*             FUND PRO FORMA
                               ---------------------------   ---------------------------   ---------------------------
                               CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                               SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                               -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                            <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge
    Imposed on Purchases (as
    a percentage of offering
    price)...................   5.00%     None      None      5.25%     None      None      5.25%     None      None
  Sales Charge on Reinvested
    Dividends................   None      None      None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds,
    as applicable)...........  None+      5.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees............   None      None      None      None      None      None      None      None      None
  Exchange Fees..............   None      None      None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees................    .80%      .80%      .80%      .80%      .80%      .80%      .80%      .80%      .80%
12b-1 Fees (after fee
  waivers)(1)................   None       .75%     None       .25%     1.00%     None       .25%     1.00%     None
Other Expenses(2)............    .52%      .52%      .27%      .22%      .22%      .22%      .22%      .22%      .22%
Total Fund Operating Expenses
  (after fee waivers)(3).....   1.32%     2.07%     1.07%     1.27%     2.02%     1.02%     1.27%     2.02%     1.02%
</TABLE>
 
- ---------------
 
  * The One Group(R) Diversified International Fund has not yet commenced
    investment operations. The One Group(R) Diversified International Fund will
    continue the operations of the Pegasus International Equity Fund upon
    consummation of the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Diversified International Fund or Combined
    Fund are purchased or sold through an account with a Shareholder Servicing
    Agent, separate transaction fees may be charged by the Shareholder Agent. In
    addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charged is deducted from the redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus
    International Equity Fund and long-term Class A and Class B shareholders of
    the One Group(R) Diversified International Fund and Combined Fund may pay
    more than the equivalent of the maximum front-end sales charges permitted by
    the rules of the National Association of Securities Dealers. Without the
    voluntary waiver, 12b-1 Fees would be .35% for Class A shares for the One
    Group(R) Diversified International Fund and Combined Fund. The amount of
    12b-1 Fees shown for the One Group(R) Diversified International Fund and
    Combined Fund includes fees for shareholder servicing and distribution.
    Shareholder servicing fees payable by the Class A and Class B Shareholders
    of the Pegasus International Equity Fund are reflected under "Other
    Expenses."
 
(2) Other Expenses for the One Group(R) Diversified International Fund and
    Combined Fund are based on estimated amounts for the current fiscal year.
    Without the fee waiver, Other Expenses for the One Group(R) Diversified
    International Fund and Combined Fund would be .23% for all classes of
    shares.
 
(3) The Investment Adviser of the Pegasus International Equity Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 1.44%,
    2.19% and 1.19%, respectively, for the Class A, Class B and Class I shares.
    Without the voluntary reduction of 12b-1 Fees, Total Fund Operating Expenses
    for One Group(R) Diversified International Fund and Combined Fund would be
    1.38% for Class A shares, 2.03% for Class B shares and 1.03% for Class I
    shares.
 
                                      II-38
<PAGE>   133
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus International Equity Fund
  Class A Shares......................................   $63        $90       $119        $202
  Class B Shares......................................   $71        $96       $132        $213+
  Class I Shares......................................   $11        $34       $ 59        $131
One Group(R) Diversified International Fund
  Class A Shares......................................   $65        $91       $119        $198
  Class A Shares (without fee waivers)................   $66        $94       $124        $210
  Class B Shares......................................   $71        $93       $129        $216**
  Class B Shares (without fee waivers)................   $71        $94       $129        $219**
  Class I Shares......................................   $10        $32       $ 56        $125
  Class I Shares (without fee waivers)................   $11        $33       $ 57        $126
Combined Fund Pro Forma
  Class A Shares......................................   $65        $91       $119        $198
  Class A Shares (without fee waivers)................   $66        $94       $124        $210
  Class B Shares......................................   $71        $93       $129        $216**
  Class B Shares (without fee waivers)................   $71        $94       $129        $219**
  Class I Shares......................................   $10        $32       $ 56        $125
  Class I Shares (without fee waivers)................   $11        $33       $ 57        $126
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Diversified International Fund and
   Combined Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus International Equity Fund
  Class B Shares......................................   $21        $66       $112        $213+
One Group(R) Diversified International Fund
  Class B Shares......................................   $21        $63       $109        $216**
  Class B Shares (without fee Waivers)................   $21        $64       $109        $219**
Combined Funds Pro Forma
  Class B Shares......................................   $21        $63       $109        $216**
  Class B Shares (without fee Waivers)................   $21        $64       $109        $219**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Diversified International Fund and the
   Combined Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-39
<PAGE>   134
 
<TABLE>
<CAPTION>
                               PEGASUS INTERMEDIATE BOND    ONE GROUP(R) INTERMEDIATE BOND
                                         FUND                          FUND(1)                 COMBINED FUND PRO FORMA
                              ---------------------------   ------------------------------   ---------------------------
                              CLASS A   CLASS B   CLASS I   CLASS A    CLASS B    CLASS I    CLASS A   CLASS B   CLASS I
                              SHARES    SHARES    SHARES     SHARES     SHARES     SHARES    SHARES    SHARES    SHARES
                              -------   -------   -------   --------   --------   --------   -------   -------   -------
<S>                           <C>       <C>       <C>       <C>        <C>        <C>        <C>       <C>       <C>
SHAREHOLDER TRANSACTION
  EXPENSES*
  Maximum Sales Charge
    Imposed on Purchases (as
    a percentage of offering
    price)..................   3.00%      None     None       4.50%      None       None      4.50%     None      None
  Sales Charge on Reinvested
    Dividends...............   None       None     None       None       None       None      None      None      None
  Maximum Contingent
    Deferred Sales Charge
    (as a percentage of
    original purchase price
    or redemption proceeds,
    as applicable)..........   None+      3.00%    None       None+      5.00%      None      None+     5.00%     None
  Redemption Fees...........   None       None     None       None       None       None      None      None      None
  Exchange Fees.............   None       None     None       None       None       None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of
  average daily net assets)
Advisory Fees (after fee
  waivers)(2)...............    .40%       .40%     .40%       .40%       .40%       .40%      .36%      .36%      .36%
12b-1 Fees (after fee
  waivers)(3)...............   None        .75%    None        .25%       .90%      None       .25%      .90%     None
Other Expenses..............    .50%       .50%     .25%       .22%       .22%       .22%      .22%      .22%      .22%
Total Fund Operating
  Expenses (after fee
  waivers and/or expense
  reimburse-
  ments) (4,5)..............    .90%      1.65%     .65%       .87%      1.52%       .62%      .83%     1.48%      .58%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Intermediate Bond Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Intermediate
    Bond Fund and Combined Fund would be .60% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus
    Intermediate Bond Fund and Class A and Class B shareholders of the One
    Group(R) Intermediate Bond Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waiver, 12b-1 Fees would be .35% for Class A shares and 1.00% for Class B
    shares of the One Group(R) Intermediate Bond Fund and Combined Fund. The
    amount of 12b-1 Fees shown for the One Group(R) Intermediate Bond Fund and
    Combined Fund includes fees for shareholder servicing and distribution.
    Shareholder servicing fees payable by the Class A and Class B shareholders
    of the Pegasus Intermediate Bond Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Intermediate Bond Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to 1.04%, 1.79% and .79%,
    respectively, for the Class A, Class B and Class I shares.
 
                                      II-40
<PAGE>   135
 
(5) Without the voluntary reduction of Investment Advisory and 12b-1 Fees, Total
    Fund Operating Expenses would be 1.17% for Class A shares, 1.82% for Class B
    shares, and .82% for Class I shares of the One Group(R) Intermediate Bond
    Fund and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus Intermediate Bond Fund
  Class A Shares......................................   $39        $58       $ 79        $138
  Class B Shares......................................   $47        $72       $100        $158+
  Class I Shares......................................   $ 7        $21       $ 36        $ 81
One Group(R) Intermediate Bond Fund
  Class A Shares......................................   $53        $72       $ 91        $147
  Class A Shares (without fee waivers)................   $56        $80       $106        $181
  Class B Shares......................................   $65        $78       $103        $164**
  Class B Shares (without fee waivers)................   $68        $87       $119        $197**
  Class I Shares......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers)................   $ 8        $26       $ 46        $101
Combined Fund Pro Forma
  Class A Shares......................................   $53        $70       $ 89        $143
  Class A Shares (without fee waivers)................   $56        $80       $106        $181
  Class B Shares......................................   $65        $77       $101        $159**
  Class B Shares (without fee waivers)................   $68        $87       $119        $197**
  Class I Shares......................................   $ 6        $19       $ 32        $ 73
  Class I Shares (without fee waivers)................   $ 8        $26       $ 46        $101
</TABLE>
 
- ---------------
 
 ** Class B shares of the One Group(R) Intermediate Bond Fund and Combined Fund
    automatically convert to Class A shares after eight (8) years. Therefore,
    the "10 Years" example above reflects this conversion.
 
  + Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus Intermediate Bond Fund
  Class B Shares......................................   $17        $52        $90        $158+
One Group(R) Intermediate Bond Fund
  Class B Shares......................................   $15        $48        $83        $164**
  Class B Shares (without fee waivers)................   $18        $57        $99        $197**
Combined Funds Pro Forma
  Class B Shares......................................   $15        $47        $81        $159**
  Class B Shares (without fee waivers)................   $18        $57        $99        $197**
</TABLE>
 
- ---------------
 
 ** Class B Shares of the One Group(R) Intermediate Bond Fund and the Combined
    Fund automatically convert to Class A Shares after eight (8) years.
    Therefore, the "10 Years" example above reflects this conversion.
 
  + Assumes conversion to Class A Shares.
 
                                      II-41
<PAGE>   136
 
<TABLE>
<CAPTION>
                                                  PEGASUS                    ONE GROUP(R)                    COMBINED
                                                 BOND FUND                    BOND FUND*                  FUND PRO FORMA
                                        ---------------------------   ---------------------------   ---------------------------
                                        CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                        SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                        -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                                     <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed on
    Purchases (as a percentage of
    offering price)...................    4.50%    None      None       4.50%    None      None       4.50%    None      None
  Sales Charge on Reinvested
    Dividends.........................    None     None      None       None     None      None       None     None      None
  Maximum Contingent Deferred Sales
    Charge (as a percentage of
    original purchase price or
    redemption proceeds, as
    applicable).......................    None+    5.00%     None       None+    5.00%     None       None+    5.00%     None
  Redemption Fees.....................    None     None      None       None     None      None       None     None      None
  Exchange Fees.......................    None     None      None       None     None      None       None     None      None
ANNUAL OPERATING EXPENSES(1)
  (as a percentage of average daily
  net assets)
Advisory Fees (after fee
  waivers)(2).........................     .40%     .40%      .40%       .40%     .40%      .40%       .40%     .40%      .40%
12b-1 Fees (after fee waivers)(3).....    None      .75%     None        .25%     .90%     None        .25%     .90%     None
Other Expenses(4).....................     .48%     .48%      .23%       .20%     .20%      .20%       .20%     .20%      .20%
Total Fund Operating Expenses (after
  fee waivers)(5,6)...................     .88%    1.63%      .63%       .85%    1.50%      .60%       .85%    1.50%      .60%
</TABLE>
 
- ---------------
 
  * The One Group(R) Bond Fund has not yet commenced operations. The One
    Group(R) Bond Fund will continue the operations of the Pegasus Bond Fund
    upon consummation of the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Bond Fund or Combined Fund are purchased or
    sold through an account with a Shareholder Servicing Agent, separate
    transaction fees may be charged by the Shareholder Servicing Agent. In
    addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the Combined Fund would be .60%
    for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Bond Fund
    and Class A and Class B shareholders of the One Group(R) Bond Fund and the
    Combined Fund may pay more than the equivalent of the maximum front-end
    sales charges permitted by the rules of the National Association of
    Securities Dealers. Without the voluntary waiver, 12b-1 Fees would be .35%
    for Class A shares and 1.00% for Class B shares of the One Group(R) Bond
    Fund and Combined Fund. The amount of 12b-1 Fees shown for the One Group(R)
    Bond Fund and Combined Fund includes fees for shareholder servicing and
    distribution. Shareholder servicing fees payable by the Class A and Class B
    shareholders of the Pegasus Bond Fund are reflected under "Other Expenses."
 
(4) Other Expenses for the One Group(R) Bond Fund and Combined Fund are based on
    estimated amounts for the current fiscal year. Without the fee waiver, Other
    Expenses for the One Group(R) Bond Fund and Combined Fund would be .21% for
    all classes of shares.
 
(5) The Investment Adviser of the Pegasus Bond Fund has voluntarily agreed to
    limit the Total Fund Operating Expenses to .99%, 1.74% and 0.74%,
    respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory and 12b-1 fees, Total
    Fund Operating Expenses would be 1.16% for Class A Shares, 1.81% for Class B
    shares and .81% for Class I shares of the One Group(R) Bond Fund and the
    Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
                                      II-42
<PAGE>   137
 
<TABLE>
<CAPTION>
                                                1 YEAR     3 YEARS     5 YEARS     10 YEARS
                                                -------    -------    ---------    --------
<S>                                             <C>        <C>        <C>          <C>
Pegasus Bond Fund
  Class A Shares..............................      $54        $72         $ 92      $149
  Class B Shares..............................      $67        $82         $109      $165+
  Class I Shares..............................      $ 6        $20         $ 35      $ 79
One Group(R) Bond Fund
  Class A Shares..............................      $53        $71         $ 90      $145
  Class A Shares (without fee waivers)........      $56        $80         $106      $180
  Class B Shares..............................      $65        $77         $102      $161**
  Class B Shares (without fee waivers)........      $68        $87         $118      $196**
  Class I Shares..............................      $ 6        $19         $ 33      $ 75
  Class I Shares (without fee waivers)........      $ 8        $26         $ 45      $100
Combined Fund Pro Forma
  Class A Shares..............................      $53        $71         $ 90      $145
  Class A Shares (without fee waivers)........      $56        $80         $106      $180
  Class B Shares..............................      $65        $77         $102      $161**
  Class B Shares (without fee waivers)........      $68        $87         $118      $196**
  Class I Shares..............................      $ 6        $19         $ 33      $ 75
  Class I Shares (without fee waivers)........      $ 8        $26         $ 45      $100
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Bond Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus Bond Fund
  Class B Shares......................................   $17        $52        $89        $165+
One Group(R) Bond Fund
  Class B Shares......................................   $15        $47        $82        $161**
  Class B Shares (without fee waivers)................   $18        $57        $98        $196**
Combined Funds Pro Forma
  Class B Shares......................................   $15        $47        $82        $161**
  Class B Shares (without fee waivers)................   $18        $57        $98        $196**
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Bond Fund and Combined Fund automatically
   convert to Class A shares after eight (8) years. Therefore, the "10 Years"
   example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
                                      II-43
<PAGE>   138
 
<TABLE>
<CAPTION>
                                                                      One Group(R)
                                           PEGASUS                 LIMITED VOLATILITY                 COMBINED
                                       SHORT BOND FUND                BOND FUND(1)                 FUND PRO FORMA
                                 ---------------------------   ---------------------------   ---------------------------
                                 CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                 SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                 -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                              <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION
  EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)............   1.00%      None     None      3.00%     None      None      3.00%     None      None
  Sales Charge on Reinvested
    Dividends..................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)................   None+      1.00%    None      None+     3.00%     None      None+     3.00%     None
  Redemption Fees..............   None       None     None      None      None      None      None      None      None
  Exchange Fees................   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2)..................    .35%       .35%     .35%      .40%      .40%      .40%      .32%      .32%      .32%
12b-1 Fees (after fee
  waivers)(3)..................   None        .75%    None       .25%      .75%     None       .25%      .75%     None
Other Expenses.................    .49%       .49%     .24%      .22%      .22%      .22%      .21%      .21%      .21%
Total Fund Operating Expenses
  (after fee waivers)(4,5).....    .84%      1.59%     .59%      .87%     1.37%      .62%      .78%     1.28%      .53%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Limited Volatility Bond Fund or Combined Fund
    are purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Limited
    Volatility Bond Fund and Combined Fund would be .60% for all classes of
    shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Short Bond
    Fund and Class A and Class B Shareholders of the One Group(R) Limited
    Volatility Bond Fund and Combined Fund may pay more than the equivalent of
    the maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares and 1.00% for Class B shares of the One
    Group(R) Limited Volatility Bond Fund and Combined Fund. The amount of 12b-1
    Fees shown for the One Group(R) Limited Volatility Bond Fund and Combined
    Fund includes fees for shareholder servicing and distribution. Shareholder
    servicing fees payable by the Class A and Class B shareholders of the
    Pegasus Short Bond Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Short Bond Fund has voluntarily agreed
    to limit the Total Fund Operating Expenses to .86%, 1.61% and .61%,
    respectively, for the Class A, Class B and Class I shares.
 
(5) Without the voluntary reduction of Investment advisory and 12b-1 Fees, Total
    Fund Operating Expenses would be 1.17% for Class A shares, 1.82% for Class B
    shares, and .82% for Class I shares of the One Group(R) Limited Volatility
    Bond Fund and 1.16% for Class A shares, 1.81% for Class B shares and .81%
    for Class I shares of the Combined Fund.
 
                                      II-44
<PAGE>   139
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Short Bond Fund
  Class A Shares.......................................   $19        $37       $ 56        $113
  Class B Shares.......................................   $26        $42+      $ 62+       $118+
  Class I Shares.......................................   $ 6        $19       $ 33        $ 74
One Group(R) Limited Volatility Bond Fund
  Class A Shares.......................................   $39        $57       $ 77        $134
  Class A Shares (without fee waivers).................   $42        $66       $ 92        $168
  Class B Shares.......................................   $44        $63       $ 75        $138**
  Class B Shares (without fee waivers).................   $48        $77       $ 99        $181**
  Class I Shares.......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers).................   $ 8        $26       $ 46        $101
Combined Fund Pro Forma
  Class A Shares.......................................   $38        $54       $ 72        $124
  Class A Shares (without fee waivers).................   $41        $66       $ 92        $167
  Class B Shares.......................................   $43        $61       $ 70        $128**
  Class B Shares (without fee waivers).................   $48        $77       $ 98        $180**
  Class I Shares.......................................   $ 5        $17       $ 30        $ 66
  Class I Shares (without fee waivers).................   $ 8        $26       $ 45        $100
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Limited Volatility Bond Fund and the
   Combined Fund automatically convert to Class A shares after six (6) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
+  Assumes conversion to Class A shares
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Short Bond Fund
  Class B Shares.......................................   $16        $42+       $62+       $118+
One Group(R) Limited Volatility Fund
  Class B Shares.......................................   $14        $43        $75        $138**
  Class B Shares (without fee waivers).................   $18        $57        $99        $181**
Combined Funds Pro Forma
  Class B Shares.......................................   $13        $41        $70        $128**
  Class B Shares (without fee waivers).................   $18        $57        $98        $180**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Limited Volatility Fund and the Combined
   Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
+  Assumes conversion to Class A Shares.
 
                                      II-45
<PAGE>   140
 
<TABLE>
<CAPTION>
                                          PEGASUS                    ONE GROUP(R)                    COMBINED
                                  MULTI SECTOR BOND FUND          INCOME BOND FUND(1)             FUND PRO FORMA
                                ---------------------------   ---------------------------   ---------------------------
                                CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)...........   3.00%      None     None      4.50%     None      None      4.50%     None      None
  Sales Charge on Reinvested
    Dividends.................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)...............   None+      3.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.............   None       None     None      None      None      None      None      None      None
  Exchange Fees...............   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2).................    .40%       .40%     .40%      .40%      .40%      .40%      .41%      .41%      .41%
12b-1 Fees (after fee
  waivers)(3).................   None        .75%    None       .25%      .90%     None       .25%      .90%     None
Other Expenses................    .50%       .50%     .25%      .22%      .22%      .22%      .21%      .21%      .21%
Total Fund Operating Expenses
  (after fee waivers)(4,5)....    .90%      1.65%     .65%      .87%     1.52%      .62%      .87%     1.52%      .62%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Income Bond Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Income Bond Fund
    and Combined Fund would be .60% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Multi
    Sector Bond Fund and Class A and Class B shareholders of the One Group(R)
    Income Bond Fund and Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares and 1.00% for Class B shares of the One
    Group(R) Income Bond Fund and Combined Fund. The amount of 12b-1 Fees shown
    for the One Group(R) Income Bond Fund and Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Multi Sector Bond
    Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Multi Sector Bond Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to .92%, 1.67% and .67%,
    respectively, for the Class A, Class B and Class I shares.
 
(5) Without the voluntary reduction of Investment Advisory and 12b-1 Fees, Total
    Fund Operating Expenses would be 1.17% for Class A shares, 1.82% for Class B
    shares and .82% for Class I shares of the One Group(R) Income Bond Fund and
    1.16% for Class A shares, 1.81% for Class B shares and .81% for Class I
    shares of the Combined Fund.
 
                                      II-46
<PAGE>   141
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Multi Sector Bond Fund
  Class A Shares.......................................   $39        $58       $ 79        $138
  Class B Shares.......................................   $47        $72       $100        $158+
  Class I Shares.......................................   $ 7        $21       $ 36        $ 81
One Group(R) Income Bond Fund
  Class A Shares.......................................   $53        $72       $ 91        $147
  Class A Shares (without fee waivers).................   $56        $80       $106        $181
  Class B Shares.......................................   $65        $78       $103        $164**
  Class B Shares (without fee waivers).................   $68        $87       $119        $197**
  Class I Shares.......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers).................   $ 8        $26       $ 46        $101
Combined Fund Pro Forma
  Class A Shares.......................................   $53        $72       $ 91        $147
  Class A Shares (without fee waivers).................   $56        $80       $106        $180
  Class B Shares.......................................   $65        $78       $103        $164**
  Class B Shares (without fee waivers).................   $68        $87       $118        $196**
  Class I Shares.......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers).................   $ 8        $26       $ 45        $100
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Income Bond Fund automatically convert to
   Class A shares after eight (8) years. Therefore, the "10 Years" example above
   reflects this conversion.
 
 +  Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Multi Sector Bond Fund
  Class B Shares.......................................   $17        $52        $90        $158+
One Group(R) Income Bond Fund
  Class B Shares.......................................   $15        $48        $83        $164**
  Class B Shares (without fee waivers).................   $18        $57        $99        $197**
Combined Funds Pro Forma
  Class B Shares.......................................   $15        $48        $83        $164**
  Class B Shares (without fee waivers).................   $18        $57        $98        $196**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Income Bond Fund and the Combined Fund
   automatically convert to Class A Shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-47
<PAGE>   142
 
<TABLE>
<CAPTION>
                                                  PEGASUS               ONE GROUP(R) HIGH YIELD              COMBINED
                                          HIGH YIELD BOND FUND(1)            BOND FUND(1)                 FUND PRO FORMA
                                        ---------------------------   ---------------------------   ---------------------------
                                        CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                        SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                        -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                                     <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed on
    Purchases (as a percentage of
    offering price)...................    4.50%    None      None       4.50%    None      None       4.50%    None      None
  Sales Charge on Reinvested
    Dividends.........................    None     None      None       None     None      None       None     None      None
  Maximum Contingent Deferred Sales
    Charge (as a percentage of
    original purchase price or
    redemption proceeds, as
    applicable).......................   None+     5.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees.....................    None     None      None       None     None      None       None     None      None
  Exchange Fees.......................    None     None      None       None     None      None       None     None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily
  net assets)
Advisory Fees (after fee
  waivers)(2).........................     .60%     .60%      .60%       .60%     .60%      .60%       .60%     .60%      .60%
12b-1 Fees (after fee waivers)(3).....    None      .75%     None        .25%     .90%     None        .25%     .90%     None
Other Expenses(4).....................     .54%     .54%      .29%       .35%     .35%      .35%       .27%     .27%      .27%
Total Fund Operating Expenses (after
  fee waivers and/or expense
  reimbursements)(5,6)................    1.14%    1.89%      .89%      1.20%    1.85%      .95%      1.12%    1.77%      .87%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) High Yield Bond Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the Pegasus High Yield Bond Fund
    would be .70% for all classes of shares. Without the fee waivers, Advisory
    Fees for the One Group(R) High Yield Bond Fund and Combined Fund would be
    .75% for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus High Yield
    Bond Fund and Class A and Class B shareholders of the One Group(R) High
    Yield Bond Fund and Combined Fund may pay more than the equivalent of the
    maximum front-end sales charges permitted by the rules of the National
    Association of Securities Dealers. Without the voluntary waiver, 12b-1 Fees
    would be .35% for Class A shares and 1.00% for Class B shares of the One
    Group(R) High Yield Bond Fund and Combined Fund. The amount of 12b-1 Fees
    shown for the Class A and Class B Shareholders of the One Group(R) High
    Yield Bond Fund and Combined Fund includes fees for shareholder servicing
    and distribution. Shareholder servicing fees payable by the Pegasus High
    Yield Bond Fund are reflected under "Other Expenses."
 
(4) Other Expenses are based on estimated amounts for the current fiscal year.
 
(5) The Investment Adviser of the Pegasus High Yield Bond Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to 1.14%, 1.89% and .89%,
    respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory and/or expense
    reimbursements, Total Fund Operating Expenses would be 1.24% for Class A
    shares, 1.99% for Class B shares, and .99% for Class I shares of the Pegasus
    High Yield Bond Fund. Without the voluntary reduction of Investment Advisory
    and 12b-1 Fees, Total Fund Operating Expenses would be 1.45% for Class A
    shares, 2.10% for Class B shares, and 1.10% for Class I shares of the One
    Group(R) High Yield Bond Fund and 1.37% for Class A shares, 2.02% for Class
    B shares and 1.02% for Class I shares of the Combined Fund.
 
                                      II-48
<PAGE>   143
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus High Yield Bond Fund
  Class A Shares......................................   $61        $85       $110        $182
  Class B Shares......................................   $69        $90       $123        $194+
  Class I Shares......................................   $ 9        $29       $ 50        $110
One Group(R) High Yield Bond Fund
  Class A Shares......................................   $57        $81        N/A         N/A
  Class A Shares (without fee waivers)................   $59        $89        N/A         N/A
  Class B Shares......................................   $69        $88        N/A         N/A
  Class B Shares (without fee waivers)................   $71        $96        N/A         N/A
  Class I Shares......................................   $10        $30        N/A         N/A
  Class I Shares (without fee waivers)................   $11        $35        N/A         N/A
Combined Fund Pro Forma
  Class A Shares......................................   $56        $79       $104        $175
  Class A Shares (without fee waivers)................   $58        $86       $117        $202
  Class B Shares......................................   $68        $86       $116        $191
  Class B Shares (without fee waivers)................   $71        $93       $129        $218
  Class I Shares......................................   $ 9        $28       $ 48        $107
  Class I Shares (without fee waivers)................   $10        $32       $ 56        $125
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) High Yield Bond Fund and the Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares.
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus High Yield Bond Fund
  Class B Shares......................................   $19        $60       $103        $194+
One Group(R) High Yield Bond Fund
  Class B Shares......................................   $19        $58        N/A         N/A
  Class B Shares (without fee waivers)................   $21        $66        N/A         N/A
Combined Funds Pro Forma
  Class B Shares......................................   $18        $56       $ 96        $191
  Class B Shares (without fee waivers)................   $21        $63       $109        $218
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) High Yield Bond Fund and the Combined Fund
   automatically convert to Class A shares after eight (8) years. Therefore, the
   "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
                                      II-49
<PAGE>   144
 
<TABLE>
<CAPTION>
                                        PEGASUS MUNICIPAL BOND      ONE GROUP(R) TAX-FREE BOND
                                                 FUND                          FUND*                COMBINED FUND PRO FORMA
                                      ---------------------------   ---------------------------   ---------------------------
                                      CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                      SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                      -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                                   <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed on
    Purchases (as a percentage of
    offering price).................    4.50%    None      None       4.50%    None      None       4.50%    None      None
  Sales Charge on Reinvested
    Dividends.......................    None     None      None       None     None      None       None     None      None
  Maximum Contingent Deferred Sales
    Charge (as a percentage of
    original purchase price or
    redemption proceeds, as
    applicable).....................   None+     5.00%     None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees...................    None     None      None       None     None      None       None     None      None
  Exchange Fees.....................    None     None      None       None     None      None       None     None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average daily
  net assets)
Advisory Fees (after fee
  waivers)(1).......................     .40%     .40%      .40%       .40%     .40%      .40%       .40%     .40%      .40%
12b-1 Fees (after fee waivers)(2)...    None      .75%     None        .25%     .90%     None        .25%     .90%     None
Other Expenses(3)...................     .48%     .48%      .23%       .22%     .22%      .22%       .22%     .22%      .22%
Total Fund Operating Expenses (after
  fee waivers)(4,5).................     .88%    1.63%      .63%       .87%    1.52%      .62%       .87%    1.52%      .62%
</TABLE>
 
- ---------------
 
  * The One Group(R) Tax-Free Bond Fund has not yet commenced operations. The
    One Group(R) Tax-Free Bond Fund will continue the operations of the Pegasus
    Municipal Bond Fund upon consummation of the Reorganization relating to that
    Fund.
 
 ** If shares of the One Group(R) Tax-Free Bond Fund or Combined Fund are
    purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Without the fee waivers, Advisory Fees for the One Group(R) Tax-Free Bond
    Fund and Combined Fund would be .45% for all classes of shares.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Municipal
    Bond Fund and Class A and Class B shareholders of the One Group(R) Tax-Free
    Bond Fund and Combined Fund may pay more than the equivalent of the maximum
    front-end sales charges permitted by the rules of the National Association
    of Securities Dealers. Without the voluntary waiver, 12b-1 Fees would be
    .35% for Class A shares and 1.00% for Class B shares of the One Group(R)
    Tax-Free Bond Fund and the Combined Fund. The amount of 12b-1 Fees shown for
    the One Group(R) Tax-Free Bond Fund and the Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Municipal Bond Fund
    are reflected under "Other Expenses."
 
(3) Other Expenses for the One Group(R) Tax-Free Bond Fund and Combined Fund are
    based on estimated amounts for the current fiscal year. Without the fee
    waiver, Other Expenses for the One Group(R) Tax-Free Bond Fund and Combined
    Fund would be .23% for all classes of shares.
 
(4) The Investment Adviser of the Pegasus Municipal Bond Fund has voluntarily
    agreed to limit the Total Fund Operating Expenses to .98%, 1.73% and .73%,
    respectively, for the Class A, Class B and Class I shares.
 
                                      II-50
<PAGE>   145
 
(5) Without the voluntary reduction of Investment Advisory and 12b-1 fees, Total
    Fund Operating Expenses would be 1.03% for Class A shares, 1.68% for Class B
    shares, and .68% for Class I shares of the One Group(R) Tax-Free Bond Fund
    and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus Municipal Bond Fund
  Class A Shares......................................   $54        $72       $ 92        $149
  Class B Shares......................................   $67        $82       $109        $165+
  Class I Shares......................................   $ 6        $20       $ 35        $ 79
  One Group(R) Tax-Free Bond Fund
  Class A Shares......................................   $53        $72       $ 91        $147
  Class A Shares (without fee waivers)................   $55        $76       $ 99        $165
  Class B Shares......................................   $65        $78       $103        $164**
  Class B Shares (without fee waivers)................   $67        $83       $111        $181**
  Class I Shares......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers)................   $ 7        $22       $ 38        $ 85
  Combined Fund Pro Forma
  Class A Shares......................................   $53        $72       $ 91        $147
  Class A Shares (without fee waivers)................   $55        $76       $ 99        $165
  Class B Shares......................................   $65        $78       $103        $164**
  Class B Shares (without fee waivers)................   $67        $83       $111        $181**
  Class I Shares......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers)................   $ 7        $22       $ 38        $ 85
</TABLE>
 
- ---------------
 
 ** Class B shares of the One Group(R) Tax-Free Bond Fund and Combined Fund
    automatically convert to Class A shares after eight (8) years. Therefore,
    the "10 Years" example above reflects this conversion.
 
  + Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                        1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                        ------    -------    -------    --------
<S>                                                     <C>       <C>        <C>        <C>
Pegasus Municipal Bond Fund
  Class B Shares......................................   $17        $52       $ 89        $165+
One Group(R) Tax-Free Bond Fund
  Class B Shares......................................   $15        $48       $ 83        $164**
  Class B Shares (without fee waivers)................   $17        $53       $ 91        $181**
Combined Funds Pro Forma
  Class B Shares......................................   $15        $48       $ 83        $164**
  Class B Shares (without fee waivers)................   $17        $53       $ 91        $181**
</TABLE>
 
- ---------------
 
 ** Class B Shares of the One Group(R) Tax-Free Bond Fund and the Combined Fund
    automatically convert to Class A Shares after eight (8) years. Therefore,
    the "10 Years" example above reflects this conversion.
 
  + Assumes conversion to Class A Shares.
 
                                      II-51
<PAGE>   146
 
<TABLE>
<CAPTION>
                                                                      One Group(R)
                                           PEGASUS              SHORT-TERM MUNICIPAL BOND             COMBINED
                                  SHORT MUNICIPAL BOND FUND               FUND                     FUND PRO FORMA
                                 ---------------------------   ---------------------------   ---------------------------
                                 CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                 SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                 -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                              <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)............   1.00%      None     None      3.00%     None      None      3.00%     None      None
  Sales Charge on Reinvested
    Dividends..................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)................   None+      1.00%    None      None+     3.00%     None      None+     3.00%     None
  Redemption Fees..............   None       None     None      None      None      None      None      None      None
  Exchange Fees................   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES (1)
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2)..................    .33%       .33%     .33%      .35%      .35%      .35%      .35%      .35%      .35%
12b-1 Fees (after fee
  waivers)(3)..................   None        .75%    None       .25%      .90%     None       .25%      .90%     None
Other Expenses(4)..............    .54%       .54%     .29%      .27%      .27%      .27%      .27%      .27%      .27%
Total Fund Operating Expenses
  (after fee waivers)(5,6).....    .87%      1.62%     .62%      .87%     1.52%      .62%      .87%     1.52%      .62%
</TABLE>
 
- ---------------
 
  * The One Group(R) Short-Term Municipal Bond Fund has not yet commenced
    operations. The One Group(R) Short-Term Municipal Bond Fund will continue
    the operations of the Pegasus Short Municipal Bond Fund upon consummation of
    the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Short-Term Municipal Bond Fund or Combined
    Fund are purchased or sold through an account with a Shareholder Servicing
    Agent, separate transaction fees may be charged by the Shareholder Servicing
    Agent. In addition, a $10.00 sub-minimum account fee may be applicable and a
    $7.00 charge will be deducted from redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees would be .40% for the Pegasus Short
    Municipal Bond Fund and .60% for the One Group(R) Short-Term Municipal Bond
    Fund and Combined Fund for all classes of shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Short
    Municipal Bond Fund and Class A and Class B shares of the One Group(R)
    Short-Term Municipal Bond Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waivers, 12b-1 Fees would be .35% for Class A shares and 1.00% for Class B
    shares of the One Group(R) Short-Term Municipal Bond Fund and Combined Fund.
    The amount of 12b-1 Fees shown for the One Group(R) Short-Term Municipal
    Bond Fund and the Combined Fund includes fees for shareholder servicing and
    distribution. Shareholder servicing fees payable by the Class A and Class B
    shareholders of the Pegasus Short Municipal Bond Fund are reflected under
    "Other Expenses."
 
(4) Other Expenses for the One Group(R) Short-Term Municipal Bond Fund and
    Combined Fund are based on estimated amounts for the current fiscal year.
    Without the fee waiver, Other Expenses for the One Group(R) Short-Term
    Municipal Bond Fund and Combined Fund would be .28% for all classes of
    shares.
 
                                      II-52
<PAGE>   147
 
(5) The Investment Adviser of the Pegasus Short Municipal Bond Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to .87%, 1.62%
    and .62%, respectively, for the Class A, Class B and Class I shares.
 
(6) Without the voluntary reduction of Investment Advisory fees and other
    expenses, Total Fund Operating Expenses would be .94% for Class A shares,
    1.69% for Class B shares, and .69% for Class I shares of the Pegasus Short
    Municipal Bond Fund. Without the voluntary reduction of Investment Advisory
    and 12b-1 Fees, Total Fund Operating Expenses would be 1.23% for Class A
    shares, 1.88% for Class B shares, and .88% for Class I shares of the One
    Group(R) Short-Term Municipal Bond Fund and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Short Municipal Bond Fund
  Class A Shares.......................................   $19        $38        N/A         N/A
  Class B Shares.......................................   $26        $43+       N/A         N/A
  Class I Shares.......................................   $ 6        $20        N/A         N/A
One Group(R) Short-Term Municipal Bond Fund
  Class A Shares.......................................   $39        $57       $ 77        $134
  Class A Shares (without fee waivers).................   $42        $68       $ 96        $174
  Class B Shares.......................................   $45        $68       $ 83        $148**
  Class B Shares (without fee waivers).................   $49        $79       $102        $188**
  Class I Shares.......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers).................   $ 9        $28       $ 49        $108
Combined Fund Pro Forma
  Class A Shares.......................................   $39        $57       $ 77        $134
  Class A Shares (without fee waivers).................   $42        $68       $ 96        $174
  Class B Shares.......................................   $45        $68       $ 83        $148**
  Class B Shares (without fee waivers).................   $49        $79       $102        $188**
  Class I Shares.......................................   $ 6        $20       $ 35        $ 77
  Class I Shares (without fee waivers).................   $ 9        $28       $ 49        $108
</TABLE>
 
- ---------------
 
 ** Class B shares of the One Group(R) Short-Term Bond Fund and Combined Fund
    automatically convert to Class A shares after six (6) years. Therefore, the
    "10 years" examples above reflect this conversion.
 
  + Assumes conversion to Class A shares
 
Assuming no redemption of Class B shares at the end of the period, the dollar
amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                           1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                           ------    -------    -------    --------
<S>                                                        <C>       <C>        <C>        <C>
Pegasus Short Municipal Bond Fund
  Class B Shares.........................................   $17        $43+       N/A         N/A
One Group(R) Short-Term Municipal Bond Fund
  Class B Shares.........................................   $15        $48       $ 83        $148**
  Class B Shares (without fee waivers)...................   $19        $59       $102        $189**
Combined Funds Pro Forma
  Class B Shares.........................................   $15        $48       $ 83        $148**
  Class B Shares (without fee waivers)...................   $19        $59       $102        $188**
</TABLE>
 
- ---------------
 
 ** Class B Shares of the One Group(R) Short-Term Municipal Bond Fund and the
    Combined Fund automatically convert to Class A Shares after eight (8) years.
    Therefore, the "10 Years" example above reflects this conversion.
 
  + Assumes conversion to Class A Shares.
 
                                      II-53
<PAGE>   148
 
<TABLE>
<CAPTION>
                                           PEGASUS                    One Group(R)
                                        INTERMEDIATE                  INTERMEDIATE                    COMBINED
                                     MUNICIPAL BOND FUND          TAX-FREE BOND FUND(1)            FUND PRO FORMA
                                 ---------------------------   ---------------------------   ---------------------------
                                 CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                 SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                 -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                              <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES*
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)............   3.00%      None     None      4.50%     None      None      4.50%     None      None
  Sales Charge on Reinvested
    Dividends..................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)................   None+      3.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees..............   None       None     None      None      None      None      None      None      None
  Exchange Fees................   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(2)..................    .40%       .40%     .40%      .42%      .42%      .42%      .39%      .39%      .39%
12b-1 Fees (after fee
  waivers)(3)..................   None        .75%    None       .25%      .90%     None       .25%      .90%     None
Other Expenses.................    .45%       .45%     .20%      .24%      .24%      .24%      .19%      .19%      .19%
Total Fund Operating Expenses
  (after fee waivers)(4,5).....    .85%      1.60%     .60%      .91%     1.56%      .66%      .83%     1.48%      .58%
</TABLE>
 
- ---------------
 
  * If shares of the One Group(R) Intermediate Tax-Free Bond Fund or Combined
    Fund are purchased or sold through an account with a Shareholder Servicing
    Agent, separate transaction fees may be charged by the Shareholder Servicing
    Agent. In addition, a $10.00 sub-minimum account fee may be applicable and a
    $7.00 charge will be deducted from redemption amounts paid by wire.
 
 ** A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Expense information has been restated to reflect current fees.
 
(2) Without the fee waivers, Advisory Fees for the One Group(R) Intermediate
    Tax-Free Bond Fund and Combined Fund would be .60% for all classes of
    shares.
 
(3) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus
    Intermediate Municipal Bond Fund and Class A and Class B shareholders of the
    One Group(R) Intermediate Tax-Free Bond Fund and Combined Fund may pay more
    than the equivalent of the maximum front-end sales charges permitted by the
    rules of the National Association of Securities Dealers. Without the
    voluntary waiver, 12b-1 Fees would be .35% for Class A shares and 1.00% for
    Class B shares of the One Group(R) Intermediate Tax-Free Bond Fund and
    Combined Fund. The amount of 12b-1 Fees shown for the One Group(R)
    Intermediate Tax-Free Bond Fund and Combined Fund includes fees for
    shareholder servicing and distribution. Shareholder servicing fees payable
    by the Class A and Class B shareholders of the Pegasus Intermediate
    Municipal Bond Fund are reflected under "Other Expenses."
 
(4) The Investment Adviser of the Pegasus Intermediate Municipal Bond Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to .93%, 1.68%
    and .68%, respectively, for the Class A, Class B and Class I shares.
 
(5) Without the voluntary reduction of Investment Advisory and 12b-1 Fees, Total
    Fund Operating Expenses would be 1.19% for Class A shares, 1.84% for Class B
    shares, and .84% for Class I shares of the One Group(R) Intermediate
    Tax-Free Bond Fund and 1.14% for Class A shares, 1.79% for Class B shares
    and .79% for Class I shares of the Combined Fund.
 
                                      II-54
<PAGE>   149
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Intermediate Municipal Bond Fund
  Class A Shares.......................................   $38        $56       $ 76        $132
  Class B Shares.......................................   $46        $71       $ 98        $152+
  Class I Shares.......................................   $ 6        $19       $ 34        $ 75
One Group(R) Intermediate Tax-Free Bond Fund
  Class A Shares.......................................   $54        $73       $ 93        $152
  Class A Shares (without fee waivers).................   $57        $81       $107        $185
  Class B Shares.......................................   $66        $79       $105        $168**
  Class B Shares (without fee waivers).................   $69        $88       $120        $199**
  Class I Shares.......................................   $ 7        $21       $ 37        $ 82
  Class I Shares (without fee waivers).................   $ 9        $27       $ 47        $104
Combined Fund Pro Forma
  Class A Shares.......................................   $53        $70       $ 89        $143
  Class A Shares (without fee waivers).................   $56        $80       $105        $177
  Class B Shares.......................................   $65        $77       $101        $159**
  Class B Shares (without fee waivers).................   $68        $86       $117        $193**
  Class I Shares.......................................   $ 6        $19       $ 32        $ 73
  Class I Shares (without fee waivers).................   $ 8        $25       $ 44        $ 98
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Intermediate Tax-Free Bond Fund and the
   Combined Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Intermediate Municipal Bond Fund
  Class B Shares.......................................   $16        $51       $ 88        $152+
One Group(R) Intermediate Tax-Free Bond Fund
  Class B Shares.......................................   $16        $49       $ 85        $168**
  Class B Shares (without fee waivers).................   $19        $58       $101        $199**
Combined Funds Pro Forma
  Class B Shares.......................................   $15        $47       $ 81        $159**
  Class B Shares (without fee Waivers).................   $18        $56       $ 97        $193**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Intermediate Tax-Free Bond Fund and the
   Combined Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-55
<PAGE>   150
 
<TABLE>
<CAPTION>
                                           PEGASUS                    One Group(R)
                                     MICHIGAN MUNICIPAL            MICHIGAN MUNICIPAL                 COMBINED
                                          BOND FUND                     BOND FUND                  FUND PRO FORMA
                                 ---------------------------   ---------------------------   ---------------------------
                                 CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I   CLASS A   CLASS B   CLASS I
                                 SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES    SHARES
                                 -------   -------   -------   -------   -------   -------   -------   -------   -------
<S>                              <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
SHAREHOLDER TRANSACTION EXPENSES**
  Maximum Sales Charge Imposed
    on Purchases
    (as a percentage of
    offering price)............   4.50%      None     None      4.50%     None      None      4.50%     None      None
  Sales Charge on Reinvested
    Dividends..................   None       None     None      None      None      None      None      None      None
  Maximum Contingent Deferred
    Sales Charge (as a
    percentage of original
    purchase price or
    redemption proceeds, as
    applicable)................   None+      5.00%    None      None+     5.00%     None      None+     5.00%     None
  Redemption Fees..............   None       None     None      None      None      None      None      None      None
  Exchange Fees................   None       None     None      None      None      None      None      None      None
ANNUAL OPERATING EXPENSES
  (as a percentage of average
  daily net assets)
Advisory Fees (after fee
  waivers)(1)..................    .40%       .40%     .40%      .40%      .40%      .40%      .40%      .40%      .40%
12b-1 Fees (after fee
  waivers)(2)..................   None        .75%    None       .25%      .90%     None       .25%      .90%     None
Other Expenses(3)..............    .51%       .51%     .26%      .25%      .25%      .25%      .25%      .25%      .25%
Total Fund Operating Expenses
  (after fee waivers)(4).......    .91%      1.66%     .66%      .90%     1.55%      .65%      .90%     1.55%      .65%
</TABLE>
 
- ---------------
 
  * The One Group(R) Michigan Municipal Bond Fund has not yet commenced
    operations. The One Group(R) Michigan Municipal Bond Fund will continue the
    operations of the Pegasus Michigan Municipal Bond Fund upon consummation of
    the Reorganization relating to that Fund.
 
 ** If shares of the One Group(R) Michigan Municipal Bond Fund or Combined Fund
    are purchased or sold through an account with a Shareholder Servicing Agent,
    separate transaction fees may be charged by the Shareholder Servicing Agent.
    In addition, a $10.00 sub-minimum account fee may be applicable and a $7.00
    charge will be deducted from the redemption amounts paid by wire.
 
  + A contingent deferred sales charge of up to 1.00% may be assessed on certain
    redemptions of Class A shares purchased without an initial sales charge as
    part of an investment of $1 million or more.
 
(1) Without the fee waiver, Investment Advisory Fees for the One Group(R)
    Michigan Municipal Bond Fund and Combined Fund would be .45% for all classes
    of shares.
 
(2) Due to 12b-1 Fees, long-term Class B shareholders of the Pegasus Michigan
    Municipal Bond Fund and Class A and Class B shareholders of the One Group(R)
    Michigan Municipal Bond Fund and Combined Fund may pay more than the
    equivalent of the maximum front-end sales charges permitted by the rules of
    the National Association of Securities Dealers. Without the voluntary
    waivers, 12b-1 Fees would be .35% for Class A shares and 1.00% for Class B
    shares of the One Group Michigan Municipal Bond Fund and the Combined Fund.
    The amount of 12b-1 Fees shown for the One Group(R) Michigan Municipal Bond
    and Combined Fund includes fees for shareholder servicing and distribution.
    Shareholder servicing fees payable by the Class A and Class B shareholders
    of the Pegasus Michigan Municipal Bond Fund are reflected under "Other
    Expenses."
 
(3) Other Expenses for the One Group(R) Michigan Municipal Bond Fund and
    Combined Fund are based on estimated amounts for the current fiscal year.
    Without the fee waiver, Other Expenses for the One Group(R) Michigan
    Municipal Bond Fund and Combined Fund would be .26% for all classes of
    shares.
 
(4) The Investment Adviser of the Pegasus Michigan Municipal Bond Fund has
    voluntarily agreed to limit the Total Fund Operating Expenses to 0.98%,
    1.73% and 0.73%, respectively, for the Class A, Class B and Class I shares.
    Without the voluntary reduction of Investment Advisory and 12b-1 Fees, Total
    Fund
 
                                      II-56
<PAGE>   151
 
    Operating Expenses would be 1.06% for Class A shares, 1.71% for Class B
    shares, and .71% for Class I shares of the One Group(R) Michigan Municipal
    Bond Fund and Combined Fund.
 
EXAMPLE: An investor would pay the following expenses on a $1,000 investment,
assuming (1) payment of the maximum sales charge, (2) 5% annual return, and (3)
redemption at the end of the following periods:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Michigan Municipal Bond Fund
  Class A Shares.......................................   $54        $73       $ 93        $152
  Class B Shares.......................................   $67        $83       $111        $168+
  Class I Shares.......................................   $ 7        $21       $ 37        $ 82
One Group(R) Michigan Municipal Bond Fund
  Class A Shares.......................................   $54        $72       $ 93        $151
  Class A Shares (without fee waivers).................   $55        $77       $101        $169
  Class B Shares.......................................   $66        $79       $104        $167**
  Class B Shares (without fee waivers).................   $67        $84       $113        $185**
  Class I Shares.......................................   $ 7        $21       $ 36        $ 81
  Class I Shares (without fee waivers).................   $ 7        $23       $ 40        $ 88
Combined Fund Pro Forma
  Class A Shares.......................................   $54        $72       $ 93        $151
  Class A Shares (without fee waivers).................   $55        $77       $101        $169
  Class B Shares.......................................   $66        $79       $104        $167**
  Class B Shares (without fee waivers).................   $67        $84       $113        $185**
  Class I Shares.......................................   $ 7        $21       $ 36        $ 81
  Class I Shares (without fee waivers).................   $ 7        $23       $ 40        $ 88
</TABLE>
 
- ---------------
 
** Class B shares of the One Group(R) Michigan Municipal Bond Fund and Combined
   Fund automatically convert to Class A shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A shares
 
     Assuming no redemption of Class B shares at the end of the period, the
dollar amounts in the above example would be as follows:
 
<TABLE>
<CAPTION>
                                                         1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                         ------    -------    -------    --------
<S>                                                      <C>       <C>        <C>        <C>
Pegasus Michigan Municipal Bond Fund
  Class B Shares.......................................   $17        $53       $ 91        $168+
One Group(R) Michigan Municipal Bond Fund
  Class B Shares.......................................   $16        $49       $ 84        $167**
  Class B Shares (without fee waivers).................   $17        $54       $ 93        $185**
Combined Funds Pro Forma
  Class B Shares.......................................   $16        $49       $ 84        $167**
  Class B Shares (without fee waivers).................   $17        $54       $ 93        $185**
</TABLE>
 
- ---------------
 
** Class B Shares of the One Group(R) Michigan Municipal Bond Fund and the
   Combined Fund automatically convert to Class A Shares after eight (8) years.
   Therefore, the "10 Years" example above reflects this conversion.
 
 + Assumes conversion to Class A Shares.
 
                                      II-57
<PAGE>   152
 
                                                                    APPENDIX III
 
                            COMPARISON OF INVESTMENT
                  OBJECTIVES AND CERTAIN SIGNIFICANT POLICIES
 
     This Appendix sets forth the investment objectives and certain significant
investment policies of the Pegasus Portfolios and The One Group Funds. The
investment objective and certain investment policies of each of the Pegasus
Portfolios and One Group Funds are fundamental. This means that they may not be
changed without a vote of the holders of a majority of a fund's outstanding
shares, as defined by the 1940 Act. Investment policies of the Pegasus
Portfolios and One Group Funds that are not fundamental may be changed by the
respective Board of Trustees. The following is qualified in its entirety by the
more detailed information included in the prospectuses and statements of
additional information for the Reorganizing Pegasus Portfolios and the
corresponding Existing One Group Funds which are incorporated by reference in
this Combined Prospectus/Proxy Statement.
 
PEGASUS MONEY MARKET FUND AND THE ONE GROUP(R) PRIME MONEY MARKET FUND.
 
     The Pegasus Money Market Fund's investment objective is to seek to provide
a high level of current income consistent with the preservation of capital and
liquidity. The One Group(R) Prime Money Market Fund seeks current income with
liquidity and stability of principal. Each Fund pursues its investment objective
by investing in a diversified portfolio of high quality money market
instruments.
 
PEGASUS TREASURY MONEY MARKET FUND AND THE ONE GROUP(R) U.S. TREASURY SECURITIES
MONEY MARKET FUND.
 
     The Pegasus Treasury Money Market Fund's investment objective is to seek to
provide a high level of current income consistent with the preservation of
capital and liquidity. The One Group(R) U.S. Treasury Securities Money Market
Fund seeks current income with liquidity and stability of principal. Each Fund
invests exclusively in short-term U.S. Treasury obligations, including
repurchase agreements collateralized by such Treasury obligations and
when-issued securities.
 
     The One Group(R) U.S. Treasury Securities Money Market Fund has a
fundamental policy that says the Fund will invest only in U.S. Treasury
obligations and repurchase agreements collateralized by such obligations. The
Pegasus Treasury Money Market Fund has a similar investment policy, but it is
not fundamental.
 
PEGASUS MUNICIPAL MONEY MARKET FUND AND THE ONE GROUP(R) MUNICIPAL MONEY MARKET
FUND.
 
     The Pegasus Municipal Money Market Fund's investment objective is to seek
to provide a high level of current interest income that is exempt from Federal
income taxes consistent with the preservation of capital and liquidity. The One
Group(R) Municipal Money Market Fund seeks as high a level of current interest
income exempt from Federal income tax as is consistent with capital preservation
and stability of principal. Under normal market conditions, both Funds invest at
least 80% of their assets in high quality obligations issued by or on behalf of
the states, territories and possessions of the United States, including the
District of Columbia, and their respective political subdivisions, agencies,
instrumentalities and authorities, the interest on which is exempt from regular
Federal income tax ("Municipal Securities"). The Funds have no limitation on
investments in Municipal Securities that produce income that is subject to the
Federal alternative minimum tax.
 
PEGASUS MICHIGAN MUNICIPAL MONEY MARKET FUND AND THE ONE GROUP(R) MICHIGAN
MUNICIPAL MONEY MARKET FUND.
 
     The investment objective of both Funds is to seek as high a level of
current interest income exempt from Federal income tax and Michigan personal
income tax as is consistent with capital preservation and stability of
principal. The Pegasus Michigan Municipal Money Market Fund, under normal market
conditions will invest
                                      III-1
<PAGE>   153
 
at least 65% of its assets in high quality debt obligations issued by the State
of Michigan, its political subdivisions, municipalities, corporation and
authorities, the interest on which, in the opinion of bond counsel, is exempt
from regular Federal income tax and Michigan personal income tax ("Michigan
Municipal Securities"). The One Group(R) Michigan Municipal Money Market Fund,
as a matter of fundamental policy, must invest at least 80% of its assets in
Michigan Municipal Securities. The One Group(R) Michigan Municipal Money Market
Fund was created to continue the business of the Pegasus Michigan Municipal
Money Market Fund.
 
PEGASUS CASH MANAGEMENT FUND AND THE ONE GROUP(R) CASH MANAGEMENT MONEY MARKET
FUND.
 
     The Pegasus Cash Management Fund's investment objective is to provide
investors with as high a level of current income as is consistent with the
preservation of capital and maintenance of liquidity. The One Group(R) Cash
Management Money Market Fund seeks high current income with liquidity and
stability of principal. The One Group(R) Cash Management Money Market Fund was
created to continue the business of the Pegasus Cash Management Fund.
 
     The Pegasus Cash Management Fund invests in short-term money market
obligations, including securities that are issued or guaranteed by the U.S.
government or its agencies, certificates of deposit, time deposits, bankers'
acceptances and other short-term obligations issued by domestic banks, foreign
subsidiaries of domestic banks and foreign banks and thrift institutions,
guaranteed investment contracts, repurchase agreements, and high quality
domestic and foreign commercial paper and other eligible short-term obligations.
During normal market conditions, at least 25% of the Fund's total assets will be
invested in bank obligations or instruments secured by such obligations.
 
     The One Group(R) Cash Management Money Market Fund invests in short-term
money market obligations, including securities that are issued or guaranteed by
the U.S. government or by select U.S. government agencies and instrumentalities,
some of which are subject to repurchase agreements, certificates of deposit,
variable and floating rate instruments, mortgage-backed securities, puts and
other short-term obligations. The Fund may also invest in other money market
funds if those funds have similar investment policies and objectives. At least
25% of the Fund's total assets will be invested in bank obligations. The Fund
also engages in securities lending. Both Funds will only acquire securities with
a maturity of 397 days or less.
 
     It is a fundamental policy of The One Group(R) Cash Management Money Market
Fund to maintain a constant net asset value of $1 per share, although there is
no guarantee that the Fund will be able to do so. The Pegasus Cash Management
Fund has a similar investment policy, but it is not fundamental.
 
     The One Group(R) Cash Management Money Market Fund was created to continue
the business of the Pegasus Cash Management Fund.
 
PEGASUS TREASURY CASH MANAGEMENT FUND AND THE ONE GROUP(R) TREASURY CASH
MANAGEMENT MONEY MARKET FUND.
 
     The investment objectives and policies of the Pegasus Treasury Cash
Management Fund are substantially the same as those of the corresponding One
Group(R) Treasury Cash Management Money Market Fund. The Pegasus Treasury Cash
Management Fund seeks to provide investors with as high a level of current
income as is consistent with the preservation of capital and the maintenance of
liquidity. The One Group(R) Treasury Cash Management Money Market Fund seeks
high current income with liquidity and stability of principal.
 
     The Pegasus Treasury Cash Management Fund invests in U.S. Treasury bills,
notes, and direct U.S. Treasury obligations having remaining maturities at 397
days or less. The Fund also invests in repurchase agreements relating to U.S.
Treasury obligations. The One Group(R) Treasury Cash Management Money Market
Fund invests exclusively in U.S. Treasury bills, notes, bonds and other U.S.
obligations issued or guaranteed by the U.S. Treasury, some of which are subject
to repurchase agreements. Both Funds will only acquire securities with a
maturity at 397 days or less.
 
     It is a fundamental policy of The One Group(R) Treasury Cash Management
Money Market Fund to maintain a constant net asset value of $1 per share,
although there is no guarantee that the Fund will be able to
                                      III-2
<PAGE>   154
 
do so. The Pegasus Treasury Cash Management Fund has a similar investment
policy, but it is not fundamental.
 
     The One Group(R) Treasury Cash Management Money Market Fund was created to
continue the business of the Pegasus Treasury Cash Management Fund.
 
PEGASUS TREASURY PRIME CASH MANAGEMENT FUND AND THE ONE GROUP(R) TREASURY PRIME
CASH MANAGEMENT MONEY MARKET FUND.
 
     The investment objectives and policies of the Pegasus Treasury Prime Cash
Management Fund are substantially the same as those of the corresponding One
Group(R) Treasury Prime Cash Management Money Market Fund. The Pegasus Treasury
Prime Cash Management Fund seeks to provide investors with as high a level of
current income as is consistent with the preservation of capital and the
maintenance of liquidity. The One Group(R) Treasury Prime Cash Management Money
Market Fund seeks high current income with liquidity and stability of principal.
 
     The Pegasus Treasury Prime Cash Management Fund invests in U.S. Treasury
bills, notes, and direct U.S. Treasury obligations having remaining maturities
at 397 days or less. The One Group(R) Treasury Prime Cash Management Money
Market Fund invests in U.S. Treasury bills, notes, bonds and other U.S.
obligations issued or guaranteed by the U.S. Treasury having remaining
maturities of 397 days or less. Neither Fund invests in repurchase agreements.
 
     It is a fundamental policy of The One Group(R) Treasury Prime Cash
Management Money Market Fund to maintain a constant net asset value of $1 per
share, although there is no guarantee that the Fund will be able to do so. The
Pegasus Treasury Prime Cash Management Fund has a similar investment policy, but
it is not fundamental.
 
     The One Group(R) Treasury Prime Cash Management Money Market Fund was
created to continue the business of the Pegasus Treasury Prime Cash Management
Fund.
 
PEGASUS U.S. GOVERNMENT SECURITIES CASH MANAGEMENT FUND AND THE ONE GROUP(R)
U.S. GOVERNMENT SECURITIES CASH MANAGEMENT MONEY MARKET FUND.
 
     The investment objectives and policies of the Pegasus U.S. Government
Securities Cash Management Fund are substantially the same as those of the
corresponding One Group(R) U.S. Government Securities Cash Management Money
Market Fund. The Pegasus U.S. Government Securities Cash Management Fund seeks
to provide investors with as high a level of current income as is consistent
with the preservation of capital and the maintenance of liquidity. The One
Group(R) U.S. Government Securities Cash Management Money Market Fund seeks high
income with liquidity and stability of principal. Each pursues its investment
objective by investing only in short-term securities issued or guaranteed by the
U.S. Government, its agencies or instrumentalities; and repurchase agreements
relating to such securities. The One Group(R) U.S. Government Securities Cash
Management Money Market Fund also engages in securities lending. Both Funds will
only acquire securities with a maturity of 397 days or less.
 
     It is a fundamental policy of The One Group(R) U.S. Government Securities
Cash Management Money Market Fund to maintain a constant net asset value of $1
per share, although there is no guarantee that the Fund will be able to do so.
The Pegasus U.S. Government Securities Cash Management Fund has a similar
investment policy, but it is not fundamental.
 
     The One Group(R) U.S. Government Securities Cash Management Money Market
Fund was created to continue the business of the Pegasus U.S. Government
Securities Cash Management Fund.
 
PEGASUS MUNICIPAL CASH MANAGEMENT FUND AND THE ONE GROUP(R) MUNICIPAL CASH
MANAGEMENT MONEY MARKET FUND.
 
     The investment objectives and policies of the Pegasus Municipal Cash
Management Fund are substantially the same as those of the corresponding One
Group(R) Municipal Cash Management Money Market Fund.
 
                                      III-3
<PAGE>   155
 
The Pegasus Municipal Cash Management Fund seeks to provide investors with as
high a level of current income as is consistent with the preservation of capital
and the maintenance of liquidity. The One Group(R) Municipal Cash Management
Money Market Fund seeks high current income exempt from Federal Income tax with
liquidity and stability or principal.
 
     Each Fund invests at least 80% of its assets in the same types of municipal
securities, that, in the opinion of bond counsel for the issuer, are exempt from
Federal income tax. The investments are in high quality debt obligations issued
by or on behalf of states, territories and possessions of the United States,
including the District of Columbia, and their respective political subdivisions
and authorities. However, under extraordinary circumstances, both Funds may
adopt a temporary defensive position by holding uninvested cash or investing in
taxable short-term securities. Both Funds will only acquire securities with a
maturity of 397 days or less.
 
     The Funds may engage in repurchase agreements and lend their securities.
Each Fund may also invest as much as 100% of its assets in municipal securities
that produce income that is subject to the Federal alternative minimum tax.
 
     It is a fundamental policy of The One Group(R) Municipal Cash Management
Money Market Fund to maintain a constant net asset value of $1 per share,
although there is no guarantee that the Fund will be able to do so. The Pegasus
Municipal Cash Management Fund has a similar investment policy, but it is not
fundamental.
 
     The One Group(R) Municipal Cash Management Money Market Fund was created to
continue the business of the Pegasus Municipal Cash Management Fund.
 
PEGASUS MANAGED ASSETS CONSERVATIVE FUND AND THE ONE GROUP(R) INVESTOR BALANCED
FUND.
 
     The Pegasus Managed Assets Conservative Fund's investment objective is to
seek to provide long-term total return; capital appreciation is a secondary
consideration. The Fund invests primarily in various equity, fixed income and
money market funds of Pegasus. The One Group(R) Investor Balanced Fund's
investment objective is to seek high total return consistent with the
preservation of capital by investing primarily in a diversified group of The One
Group mutual funds which invest primarily in equity and fixed income securities.
 
     While the range of underlying funds in which each of the Pegasus Managed
Assets Conservative Fund and The One Group(R) Investor Balanced Fund invests
have similar investment objectives and policies, the Funds differ in their
target asset allocations. The Pegasus Managed Assets Conservative Fund seeks to
achieve a target asset allocation consisting of 30%-50% in equity exposure,
50%-70% in debt exposure, and 0%-20% in cash equivalents. The Fund achieves the
target allocation by investing in up to eight Pegasus equity funds to provide
the desired equity exposure, up to six Pegasus fixed income funds to provide the
desired debt exposure, and the Pegasus Money Market Fund to provide the desired
cash equivalency. In order to meet liquidity needs and for temporary defensive
purposes, the Pegasus Managed Assets Conservative Fund also may invest directly
in short-term U.S. Government obligations and high quality money market
instruments. The One Group(R) Investor Balanced Fund invests 40%-60% of its
total assets in twelve mutual funds of The One Group which invest primarily in
equity securities, 40%-60% of its total assets in six mutual funds of The One
Group that invest primarily in fixed income securities, and up to 10% of its
assets in one money market fund of The One Group. The One Group(R) Investor
Balanced Fund may also hold cash and cash equivalents.
 
PEGASUS MANAGED ASSETS BALANCED FUND AND THE ONE GROUP(R) INVESTOR GROWTH &
INCOME FUND.
 
     The Pegasus Managed Assets Balanced Fund's investment objective is to
achieve long-term total return through a combination of capital appreciation and
current income. The Fund invests primarily in various equity, fixed income and
money market funds of Pegasus. The One Group(R) Investor Growth & Income Fund's
investment objective is to seek long-term capital appreciation and growth of
income by investing primarily in a diversified group of The One Group mutual
funds which invest primarily in equity securities.
 
     While the range of underlying funds in which each of the Pegasus Managed
Assets Balanced Fund and The One Group(R) Investor Growth & Income Fund invests
have similar investment objectives and policies, the Funds differ in their
target asset allocations. The Pegasus Managed Assets Balanced Fund seeks to
achieve a
                                      III-4
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target asset allocation consisting of 50%-70% in equity exposure, 30%-50% in
debt exposure, and 0%-20% in cash equivalents. The Fund achieves the target
allocation by investing in up to eight Pegasus equity funds to provide the
desired equity exposure, up to six Pegasus fixed income funds to provide the
desired debt exposure, and the Pegasus Money Market Fund to provide the desired
cash equivalency. In order to meet liquidity needs and for temporary defensive
purposes, the Pegasus Managed Assets Balanced Fund also may invest directly in
short-term U.S. Government obligations and high quality money market
instruments. The One Group(R) Investor Growth & Income Fund invests 60%-80% of
its total assets in twelve mutual funds of The One Group which invest primarily
in equity securities, 20%-40% of its total assets in eight mutual funds of The
One Group that invest primarily in fixed income securities, and up to 10% of its
assets in one money market fund of The One Group. The One Group(R) Investor
Growth & Income Fund also may hold cash and cash equivalents.
 
PEGASUS MANAGED ASSETS GROWTH FUND AND THE ONE GROUP(R) INVESTOR GROWTH FUND.
 
     The Pegasus Managed Assets Growth Fund's investment objective is to achieve
long-term total return; current income is a secondary consideration. The Fund
invests primarily in various equity, fixed income and money market funds of
Pegasus. The One Group(R) Investor Growth Fund's investment objective is to seek
long-term capital appreciation by investing primarily in a diversified group of
The One Group mutual funds which invest primarily in equity securities.
 
     While the range of underlying funds in which each of the Pegasus Managed
Assets Growth Fund and The One Group(R) Investor Growth Fund invests have
similar investment objectives and policies, the Funds differ in their target
asset allocations. The Pegasus Managed Assets Growth Fund seeks to achieve a
target asset allocation consisting of 70%-90% in equity exposure, 10%-30% in
debt exposure, and 0%-20% in cash equivalents. The Fund achieves the target
allocation by investing in up to eight Pegasus equity funds to provide the
desired equity exposure, up to six Pegasus fixed income funds to provide the
desired debt exposure, and the Pegasus Money Market Fund to provide the desired
cash equivalency. In order to meet liquidity needs and for temporary defensive
purposes, the Pegasus Managed Assets Growth Fund may invest directly in
short-term U.S. Government obligations and high quality money market
instruments. The One Group(R) Investor Growth Fund invests 80%-100% of its total
assets in twelve mutual funds of The One Group which invest primarily in equity
securities, up to 20% of its total assets in seven mutual funds of The One Group
that invest primarily in fixed income securities, and up to 10% of its assets in
one money market fund of The One Group. The One Group(R) Investor Growth Fund
also may hold cash and cash equivalents.
 
PEGASUS SHORT BOND FUND AND THE ONE GROUP(R) LIMITED VOLATILITY BOND FUND.
 
     The Pegasus Short Bond Fund's investment objective is to maximize total
rate of return while providing relative stability of principal. The One Group(R)
Limited Volatility Bond Fund's investment objective is to seek current income
consistent with preservation of capital through investment in high and
medium-grade fixed-income securities.
 
     The Pegasus Short Bond Fund normally invests at least 65% of the value of
its total assets in various types of debt securities. It invests in a portfolio
of U.S. dollar denominated investment grade debt securities of domestic and
foreign issuers which have maturities or average lives of up to ten years. Under
normal market conditions, the Fund's average weighted maturity is limited to a
maximum of three years. The One Group(R) Limited Volatility Bond Fund invests at
least 80% of its total assets in debt securities with short to intermediate
maturities. At least 65% of the Fund's total assets consist of bonds and at
least 65% of its total assets consists of obligations issued by the U.S.
Government, its agencies, or instrumentalities some of which may be subject to
repurchase agreements. The Fund's average weighted maturity ordinarily ranges
between one and five years, but the Fund may shorten the weighted average
maturity to as little as ninety days for temporary defensive purposes.
 
     In connection with the Reorganization, The One Group(R) Limited Volatility
Bond Fund is expected to change its name to The One Group(R) Short-Term Bond
Fund.
 
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<PAGE>   157
 
PEGASUS INTERMEDIATE BOND FUND AND THE ONE GROUP(R) INTERMEDIATE BOND FUND.
 
     The Pegasus Intermediate Bond Fund's investment objective is to seek to
maximize total rate of return while providing relative stability of principal by
investing predominantly in intermediate-term debt securities. The One Group(R)
Intermediate Bond Fund's investment objective is to seek current income
consistent with the preservation of capital by investing in high and
medium-grade fixed income securities with intermediate maturities.
 
     Under normal market conditions, the Pegasus Intermediate Bond Fund invests
at least 65% of the value of its total assets in debt securities. The Fund
invests primarily in a portfolio of investment grade U.S. dollar denominated
debt securities of domestic and foreign issuers. The One Group(R) Intermediate
Bond Fund normally invests at least 80% of its total assets in debt securities
of all types, including bonds, notes, U.S. Government obligations, and taxable
and tax-exempt municipal securities, rated as investment grade at the time of
investment or, if unrated, determined to be of comparable quality by the Fund's
investment adviser. As a matter of fundamental policy, at least 65% of the
Fund's total assets must consist of bonds and at least 50% of total assets must
consist of obligations issued by the U.S. Government, or its agencies and
instrumentalities, some of which may be subject to repurchase agreements. The
Pegasus Intermediate Bond Fund invests in securities which have maturities or
average lives of up to 15 years. During normal market conditions, the Fund's
average portfolio maturity is expected to be between three and six years. The
One Group(R) Intermediate Bond Fund's average weighted maturity will ordinarily
range between three and ten years, although the Fund may shorten the weighted
average maturity to as little as one year for temporary defensive purposes.
 
PEGASUS MULTI SECTOR BOND FUND AND THE ONE GROUP(R) INCOME BOND FUND.
 
     The Pegasus Multi Sector Bond Fund's investment objective is to seek to
provide as high a level of current income as is consistent with relative
stability of principal. The One Group(R) Income Bond Fund's investment objective
is to seek a high level of current income by investing primarily in a
diversified portfolio of high, medium and low grade debt securities.
 
     Under normal market conditions, the Pegasus Multi Sector Bond Fund invests
at least 65% of the value of its total assets in debt securities. The Fund
invests primarily in a portfolio of U.S. dollar denominated investment grade
debt securities of domestic and foreign issuers. The One Group(R) Income Bond
Fund invests at least 70% of its total assets in debt securities of all types
rated as investment grade at the time of investment or, if unrated, determined
to be of comparable quality by the Fund's investment adviser. Up to 30% of the
Fund's total assets may be invested in convertible securities, preferred stock,
loan participations and debt securities rated below investment grade or, if
unrated, determined to be of comparable quality by the Fund's investment
adviser. However, the Fund will not invest more than 20% of its total assets
below the fifth highest rating category. Securities rated below investment grade
are called "high yield bonds," and "junk bonds" and are considered to be
speculative. As a matter of fundamental policy, at least 65% of the Fund's total
assets must consist of bonds. The Fund may also purchase taxable or tax exempt
municipal securities.
 
     Under normal market conditions, the Pegasus Multi Sector Bond Fund's
average weighted maturity is expected to range between three years and ten
years. The average weighted maturity of The One Group(R) Income Bond Fund
normally ranges between five years and twenty years. The Pegasus Multi Sector
Bond Fund may invest in cash equivalent securities for temporary defensive
purposes. The One Group(R) Income Bond Fund may shorten its weighted maturity to
as little as two years for temporary defensive purposes.
 
PEGASUS BOND FUND AND THE ONE GROUP(R) BOND FUND.
 
     The investment objectives of the Pegasus Bond Fund and The One Group(R)
Bond Fund are substantively identical. Each Fund seeks to maximize total rate of
return by investing primarily in a diversified portfolio of intermediate and
long-term debt securities.
 
     Under normal market conditions, the Pegasus Bond Fund invests at least 65%
of its total assets in debt securities. The Fund invests in a portfolio of U.S.
dollar denominated investment grade debt securities of
 
                                      III-6
<PAGE>   158
 
domestic and foreign issuers. The Fund may invest in cash equivalent securities
for temporary defensive purposes. The One Group(R) Bond Fund invests in all
types of debt securities rated as investment grade, as well as convertible
securities, preferred stock, and loan participations. The Fund invests at least
65% of its total assets in debt securities with intermediate to long maturities.
The Fund may also purchase taxable and tax-exempt securities. As a matter of
fundamental policy, at least 65% of the Fund's total assets must consist of
bonds. The Pegasus Bond Fund's average weighted maturity normally ranges between
six years and twelve years. The One Group(R) Bond Fund's average maturity is
between four and twelve years. The One Group(R) Bond Fund may shorten its
weighted average maturity for temporary defensive purposes.
 
     The One Group(R) Bond Fund was created to continue the business of the
Pegasus Bond Fund.
 
PEGASUS HIGH YIELD BOND FUND AND THE ONE GROUP(R) HIGH YIELD BOND FUND.
 
     The Pegasus High Yield Bond Fund's investment objective is to seek high
current income. It invests primarily in a diversified portfolio of U.S. dollar
denominated debt securities of domestic and foreign issuers which, under normal
market conditions, are expected to be lower-rated corporate debt obligations or
unrated obligations of comparable quality. The One Group(R) High Yield Bond
Fund's investment objective is to seek a high level of current income by
investing primarily in a diversified portfolio of debt securities which are
rated below investment grade or unrated. Capital appreciation is a secondary
objective.
 
     Both Funds invest primarily in junk bonds. Under normal market conditions,
the Pegasus High Yield Bond Fund invests at least 65% of its total assets in
debt securities. The Fund invests primarily in debt securities rated in the
fourth or lower rating categories, i.e., Baa or lower by Moody's Investor
Services, Inc. ("Moody's") or BBB or lower by Standard & Poor's Ratings Group
("S&P"), Fitch IBCA, Inc. ("Fitch"), or Duff & Phelps Credit Rating Co.
("Duff"), or in unrated securities of comparable quality. The Fund may invest up
to 10% of its total assets in equity securities, however, preferred and
convertible securities are not subject to this limitation. The Fund may also
invest up to 10% of its total assets in foreign securities which are not
publicly traded in the United States. The One Group(R) High Yield Bond Fund
normally invests at least 80% of its total assets in debt securities, loan
participations, convertible securities and preferred stock which are rated below
investment grade or unrated securities of comparable quality. These securities
are generally rated in the fifth or lower rating categories (e.g., BB or lower
by S&P and Ba or lower by Moody's). The Fund may invest up to 100% of its assets
in such securities. The Fund may invest up to 20% of its assets in other
securities, including investment grade debt securities. As a matter of
fundamental policy, at least 65% of the Fund's total assets will consist of
bonds. The Fund's weighted average maturity will normally range between five and
ten years, although it may shorten its weighted average maturity to as little as
two years for temporary defensive purposes. The Pegasus High Yield Bond Fund has
no stated weighted average maturity target range. Securities rated below
investment grade are called "high yield bonds," and "junk bonds" and are
considered to be speculative.
 
PEGASUS INTERMEDIATE MUNICIPAL BOND FUND AND THE ONE GROUP(R) INTERMEDIATE
TAX-FREE BOND FUND.
 
     The Pegasus Intermediate Municipal Bond Fund's investment objective is to
seek to provide as high a level of current income exempt from Federal income tax
as is consistent with relative stability of principal. The One Group(R)
Intermediate Tax-Free Bond Fund's investment objective is to seek current income
exempt from Federal income taxes consistent with prudent investment management
and the preservation of capital.
 
     As a fundamental investment policy, the Pegasus Intermediate Municipal Bond
Fund must invest at least 80% of the value of its net assets in Municipal
Securities. The One Group(R) Intermediate Tax-Free Bond Fund has a similar
policy, although it is not fundamental. As a fundamental policy, this Fund must
invest at least 65% of its total assets in bonds. Under normal market
conditions, the average weighted maturity is expected to range between three and
ten years for both funds.
 
     As a fundamental investment policy, The One Group(R) Intermediate Tax-Free
Bond Fund invests in a diversified portfolio. The Pegasus Intermediate Municipal
Bond Fund is not diversified.
 
                                      III-7
<PAGE>   159
 
PEGASUS MUNICIPAL BOND FUND AND THE ONE GROUP(R) TAX-FREE BOND FUND.
 
     The investment objectives of the Pegasus Municipal Bond Fund and The One
Group(R) Tax-Free Bond Fund are identical. The Pegasus Municipal Bond Fund seeks
to provide as high a level of current income exempt from Federal income tax as
is consistent with relative stability of principal. The One Group(R) Tax-Free
Bond Fund seeks current income exempt from Federal income taxes consistent with
prudent investment management and the preservation of capital. The One(R) Group
Tax-Free Bond Fund was created to continue the business of the Pegasus Municipal
Bond Fund.
 
     As a fundamental investment policy, the Pegasus Municipal Bond Fund must
invest at least 80% of the value of its net assets in Municipal Securities. The
One Group(R) Tax-Free Bond Fund has a similar policy, although it is not
fundamental. As a fundamental policy, this Fund invests at least 65% of its
total assets in bonds. Each Fund invests in Municipal Securities without regard
to maturity.
 
     Up to 20% of The One Group(R) Tax-Free Bond Fund's total assets may be held
in cash or cash equivalents. The Fund will, from time to time, invest more than
25% of its net assets in municipal housing authority obligations and single
family mortgage revenue bonds. The Fund also may invest in mortgage backed
securities, restricted securities, and mortgage dollar rolls. The securities in
which the Fund invests may have fixed rates of return or floating or variable
rates.
 
PEGASUS MICHIGAN MUNICIPAL BOND FUND AND THE ONE GROUP(R) MICHIGAN MUNICIPAL
BOND FUND.
 
     The Pegasus Michigan Municipal Bond Fund's investment objective is to seek
to provide as high a level of current income exempt from Federal, and to the
extent possible, from State of Michigan income taxes as is consistent with
relative stability of principal. The One Group(R) Michigan Municipal Bond Fund's
investment objective is to seek current income exempt from Federal income tax
and Michigan personal income tax, consistent with the preservation of principal.
The One Group(R) Michigan Municipal Bond Fund was created to continue the
business of the Pegasus Michigan Municipal Bond Fund.
 
     As a fundamental investment policy, the Pegasus Michigan Municipal Bond
Fund must invest at least 80% of the value of its net assets in Municipal
Securities. Under normal market conditions, the Fund invests at least 65% of its
total assets in investment grade Municipal Securities the interest on which is
exempt from both Federal and Michigan income taxes. The One Group(R) Michigan
Municipal Bond Fund has a fundamental policy that requires 80% of its total
assets to be invested in Michigan Municipal Securities. The Fund also may invest
up to 20% of its total assets in Municipal Securities other than Michigan
Municipal Securities.
 
PEGASUS SHORT MUNICIPAL BOND FUND AND THE ONE GROUP(R) SHORT-TERM MUNICIPAL BOND
FUND.
 
     The investment objectives of the Pegasus Short Municipal Bond Fund and The
One Group(R) Short-Term Municipal Bond Fund are identical. Each Fund seeks to
provide as high a level of current income exempt from Federal income tax as is
consistent with relative stability of principal.
 
     The Pegasus Short Municipal Bond Fund invests in a portfolio of investment
grade municipal obligations, the interest on which is exempt from Federal income
tax. As a fundamental investment policy, the Fund must invest at least 80% of
the value of its net assets in municipal obligations. The Fund may invest up 20%
(and, for temporary defensive purposes, up to 100%) of its assets in taxable
cash equivalent securities. Under normal market conditions, the Fund's average
weighted maturity ranges between one year and three years. The One Group(R)
Short-Term Municipal Bond Fund invests at least 80% of its net assets in
municipal securities, the interest on which is exempt from Federal income tax.
As a fundamental policy, the Fund invests at least 65% of its total assets in
bonds. Up to 20% of the Fund's total assets may be held in cash and cash
equivalents. From time to time, the Fund invests more than 25% of its net assets
in municipal housing authority obligations and single-family mortgage revenue
bonds. The Fund may also invest in mortgage-backed securities, restricted
securities, and mortgage dollar rolls. The securities in which the Fund invests
may have fixed rates of return or floating or variable rates. The Fund's average
weighted maturity ranges between one year and three years.
 
                                      III-8
<PAGE>   160
 
     The One Group(R) Short-Term Municipal Bond Fund was created to continue the
business of the Pegasus Short Municipal Bond Fund.
 
PEGASUS EQUITY INCOME FUND AND THE ONE GROUP(R) INCOME EQUITY FUND.
 
     The Pegasus Equity Income Fund's investment objective is to seek to provide
income; capital appreciation and growth of earnings are secondary, but
nonetheless important, goals. The One Group(R) Income Equity Fund's investment
objective is to seek current income through regular payment of dividends with
the secondary goal of achieving capital appreciation by investing primarily in
equity securities. Under normal market conditions, the Pegasus Equity Income
Fund invests at least 65% of its total assets in publicly traded
income-producing common stocks of companies incorporated in the United States.
The One Group(R) Income Equity Fund normally invests at least 65% of its assets
in the common stocks, debt securities, and preferred stocks that are convertible
into common stocks of corporations which regularly pay dividends, as well as
stocks with favorable long-term fundamental characteristics.
 
     In connection with the Reorganization, The One Group(R) Income Equity Fund
is expected to change its name to The One Group(R) Equity Income Fund.
 
PEGASUS EQUITY INDEX FUND AND THE ONE GROUP(R) EQUITY INDEX FUND.
 
     The investment objectives of the Pegasus Equity Index Fund and The One
Group(R) Equity Index Fund are substantively identical. Each Fund seeks
investment results that correspond to the aggregate price and dividend
performance of securities in the S&P 500 Index.
 
     While each of the Funds seeks to achieve a 95% correlation coefficient
between its performance and that of the S&P 500 Index, their stated investment
programs are somewhat different. The Pegasus Equity Index Fund uses a sampling
methodology to determine which stocks to purchase or sell in order to closely
replicate the performance of the S&P 500 Index. Stocks are selected based on
both capitalization weighting in the S&P 500 Index and industry representation.
The Pegasus Equity Index Fund may also invest up to 5% of its total assets in
futures contracts and related options in an effort to maintain exposure to price
movements in the S&P 500 Index pending investment of funds or while maintaining
liquidity to meet potential shareholder redemptions. The One Group(R) Equity
Index Fund invests primarily in a representative sampling of stocks included in
the S&P 500 Index and, secondarily, in stock index futures. The stocks are
selected in the order of their weightings in the Standard & Poor's 500 Index
beginning with the heaviest weighted stocks. The Fund is not authorized to
invest in foreign securities. Pending investment of funds and to meet redemption
requests, the Pegasus Equity Index Fund and The One Group(R) Equity Index Fund
may hold up to 5% and 10% of their respective assets in cash equivalents.
 
PEGASUS GROWTH AND VALUE FUND AND THE ONE GROUP(R) VALUE GROWTH FUND.
 
     The Pegasus Growth and Value Fund's investment objective is to seek to
achieve long-term capital growth, with income a secondary consideration. The One
Group(R) Value Growth Fund's investment objective is to seek long term capital
growth and growth of income with a secondary objective of providing a moderate
level of current income.
 
     Under normal market conditions, the Pegasus Growth and Value Fund invests
at least 65% of the value of its total assets in publicly traded
income-producing common stocks of companies incorporated in the United States.
The Fund invests in equity securities of companies believed by the Fund's
investment adviser to represent a value or potential worth which is not fully
recognized by prevailing market prices and which have earnings growth
expectations that exceed those implied by the market's current valuation. The
Fund seeks to invest in companies whose earnings will increase at a faster rate
than those within the general equity market. The One Group(R) Value Growth Fund
normally invests at least 65% of its total assets in common stocks, debt
securities, preferred stocks, convertible securities, warrants and other equity
securities of overlooked or undervalued companies that have the potential for
earnings growth over time. The Fund invests across capitalization levels
targeting both value and growth oriented companies.
 
                                      III-9
<PAGE>   161
 
     The One Group(R) Value Growth Fund will change its name to The One Group(R)
Diversified Equity Fund.
 
PEGASUS INTRINSIC VALUE FUND AND THE ONE GROUP(R) DISCIPLINED VALUE FUND.
 
     The Pegasus Intrinsic Value Fund's investment objective is to seek to
provide long-term capital appreciation. The One Group(R) Disciplined Value
Fund's investment objective is to seek capital appreciation with the secondary
goal of achieving current income by investing primarily in equity securities.
 
     Under normal market conditions, the Pegasus Intrinsic Value Fund invests at
least 65% of the value of its total assets in publicly traded income-producing
common stocks of companies incorporated in the United States. The One Group(R)
Disciplined Value Fund invests at least 80% of its total assets in equity
securities, including common stocks, debt securities, and preferred stocks that
are convertible into common stocks. A portion of the Fund's assets will be held
in cash equivalents. Both Funds primarily invest in equity securities of
companies with below-market average price-to-earnings and price-to-book value
ratios.
 
     In connection with the Reorganization, The One Group(R) Disciplined Value
Fund is expected to change its name to The One Group(R) Mid Cap Value Fund.
 
PEGASUS GROWTH FUND AND THE ONE GROUP(R) LARGE COMPANY GROWTH FUND.
 
     The investment objective of the Pegasus Growth Fund is to seek long-term
capital appreciation. The One Group(R) Large Company Growth Fund's investment
objective is to seek long-term capital appreciation and growth of income by
investing primarily in equity securities.
 
     Under normal market conditions, the Pegasus Growth Fund invests at least
65% of the value of its total assets in publicly traded income-producing common
stocks of companies incorporated in the United States. The Fund invests
primarily in equity securities of domestic issuers believed by the Fund's
investment adviser to have above-average growth characteristics. The One
Group(R) Large Company Growth Fund normally invests at least 65% of its total
assets in equity securities of large, well-established companies, whose weighted
average capitalization will normally exceed the market median capitalization of
the S&P 500 Index.
 
     In connection with the Reorganization, The One Group(R) Large Company
Growth Fund is expected to change its name to The One Group(R) Large Cap Growth
Fund.
 
PEGASUS MID-CAP OPPORTUNITY FUND AND THE ONE GROUP(R) DIVERSIFIED MID CAP FUND.
 
     The investment objective of the Pegasus Mid-Cap Opportunity Fund is to
achieve long-term capital appreciation. The investment objective of The One
Group(R) Diversified Mid Cap Fund is to seek long-term capital growth by
investing primarily in equity securities of companies with intermediate market
capitalizations. The One Group(R) Diversified Mid Cap Fund was created to
continue the business of the Pegasus Mid-Cap Opportunity Fund.
 
     Under normal market conditions, the Pegasus Mid-Cap Opportunity Fund
invests at least 65% of the value of its total assets in publicly traded
income-producing common stocks of companies incorporated in the United States
with market capitalizations of $500 million to $3 billion. The One Group(R)
Diversified Mid Cap Fund normally invests at least 65% of its total assets in
common and preferred stock, rights, warrants, convertible securities and other
equity securities. The Fund invests primarily in equity securities of companies
with market capitalizations of $500 million to $5 billion. While each Fund
invests primarily in securities of U.S. companies, up to 25% of each Fund's
total assets may be invested in equity securities of foreign issuers.
Additionally, up to 20% and 35% of The One Group(R) Diversified Mid Cap Fund and
the Pegasus Mid-Cap Opportunity Fund, respectively, may be invested in U.S.
government securities, other investment grade fixed income securities, cash and
cash equivalents.
 
PEGASUS SMALL-CAP OPPORTUNITY FUND AND THE ONE GROUP(R) SMALL CAP VALUE FUND.
 
     The investment objective of the Pegasus Small-Cap Opportunity Fund is to
seek long-term capital appreciation. The One Group(R) Small Cap Value Fund's
investment objective is to seek long-term capital
 
                                     III-10
<PAGE>   162
 
growth by investing primarily in equity securities of companies with small
capitalizations. The One Group(R) Small Cap Value Fund was created to continue
the business of the Pegasus Small-Cap Opportunity Fund.
 
     Under normal market conditions, the Pegasus Small-Cap Opportunity Fund
invests at least 65% of the value of its total assets in publicly traded
income-producing common stocks of companies incorporated in the United States.
The Fund will normally invest at least 65% of the value of its total assets in
equity securities of small domestic issuers with market capitalizations of $100
million to $1 billion. The One Group(R) Small Cap Value Fund normally invests at
least 80% of its total assets in common and preferred stocks, debt securities,
warrants, convertible securities, and other equity securities of small
capitalization domestic issuers with market capitalizations of $100 million to
$2 billion. While each Fund invests primarily in securities of U.S. companies,
up to 25% of each Fund's total assets may be invested in equity securities of
foreign issuers. Up to 20% of The One Group(R) Small Cap Value Fund's total
assets may be invested in U.S. government securities, other investment grade
debt securities, cash and cash equivalents.
 
PEGASUS INTERNATIONAL EQUITY FUND AND THE ONE GROUP(R) DIVERSIFIED INTERNATIONAL
FUND.
 
     The investment objective of the Pegasus International Equity Fund is to
seek to achieve long-term capital appreciation. In seeking to achieve its
objective, the Fund invests primarily in equity securities of foreign issuers.
The One Group(R) Diversified International Fund's investment objective is to
seek long-term capital growth by investing primarily in equity securities of
foreign issuers. The One Group(R) Diversified International Fund was created to
continue the business of the Pegasus International Equity Fund.
 
     Under normal market conditions, the Pegasus International Equity Fund
invests at least 65% of the value of its total assets in equity securities. The
One Group(R) Diversified International Fund invests at least 65% of its total
assets in foreign equity securities, consisting of common stocks, preferred
stocks, rights, warrants, convertible securities, foreign currencies and options
on foreign currency, and other equity securities. Each Fund invests primarily in
equity securities of foreign issuers located in but not limited to the United
Kingdom and European continent, Japan, other Far East areas and Latin America.
Each Fund may also invest in other regions seeking to capitalize on investment
opportunities in other parts of the world including developing countries.
Investments in a particular country may exceed 25% of each Fund's total assets.
Up to 20% of The One Group(R) Diversified International Fund's total assets may
be invested in U.S. government securities, other investment grade fixed income
securities, cash and cash equivalents.
 
     As a matter of fundamental policy, The One Group(R) Diversified
International Fund invests in a diversified portfolio. The Pegasus International
Equity Fund is a "non-diversified" fund.
 
PEGASUS MARKET EXPANSION INDEX FUND AND THE ONE GROUP(R) MARKET EXPANSION INDEX
FUND.
 
     Each Fund's investment objective is to seek to provide a return which
substantially duplicates the price and yield performance of domestically traded
common stocks in the small and mid capitalization equity markets, as represented
by a market capitalization weighted combination of the Standard & Poor's
SmallCap 600 Index and the Standard & Poor's MidCap 400 Index. The Funds use a
sampling methodology to determine which stocks to purchase or sell in order to
closely replicate the performance of the combined indices. Stocks are selected
based on both capitalization weighting in the combined indices and industry
representation. The One Group(R) Market Expansion Index Fund was created to
continue the business of Pegasus Market Expansion Index Fund.
 
     Under normal market conditions, each Fund invests at least 65% of the value
of its total assets in publicly traded common stocks of companies incorporated
in the United States. Pending investment of funds and to meet redemption
requests, each Fund may hold up to 5% of its total assets in cash equivalents.
The Funds may also invest up to 5% of their total assets in futures contracts
and related options in an effort to maintain exposure to price movements in the
combined indices pending investment of funds or while maintaining liquidity to
meet potential shareholder redemptions. Each Fund seeks to achieve a 95%
correlation coefficient to its benchmark combined indices.
 
                                     III-11
<PAGE>   163
 
                                                                     APPENDIX IV
 
                     SHAREHOLDER TRANSACTIONS AND SERVICES
 
     This Appendix compares certain shareholder transactions and services of the
Pegasus Portfolios and The One Group Funds which will be affected by the
Reorganization. Throughout this Appendix, the Pegasus Money Market, Treasury
Money Market, Municipal Money Market and Michigan Municipal Money Market Funds
are collectively referred to as the "Pegasus Money Market Funds; "the Pegasus
Cash Management, Treasury Cash Management, Treasury Prime Cash Management, U.S.
Government Securities Cash Management and Municipal Cash Management Funds are
collectively referred to as the "Pegasus Cash Management Funds;" and the
remaining Pegasus Portfolios are collectively referred to as the "Pegasus
Non-Money Market Funds." Occasionally, the Pegasus Managed Assets Conservative,
Managed Assets Balanced and Managed Assets Growth Funds are referred to as the
"Pegasus Asset Allocation Funds;" otherwise, they are among the Pegasus
Non-Money Market Funds.
 
     The One Group(R) Cash Management Money Market, Treasury Cash Management
Money Market, Treasury Prime Cash Management Money Market, U.S. Government Cash
Management Money Market and Municipal Cash Management Money Market Funds are
collectively referred to as the "One Group(R) Cash Management Funds" throughout
this Appendix. These Funds have not yet commenced operations and will continue
the operations of the Pegasus Cash Management Funds after the Reorganization.
The One Group(R) Prime Money Market, U.S. Treasury Securities Money Market,
Municipal Money Market and Michigan Municipal Money Market Funds are
collectively referred to as the "One Group(R) Money Market Funds." All remaining
One Group Funds are collectively referred to as the "One Group(R) Non-Money
Market Funds."
 
     The Pegasus Non-Money Market Funds currently offer three share classes:
Class A, Class B, and Institutional Class or Class I (either, "Class I"). The
Pegasus Money Market Fund offers Class A, Class B and Class I shares, but B
shares are only offered through an exchange from a Non-Money Market Fund. The
Treasury Money Market, Municipal Money Market and Michigan Municipal Money
Market Funds offer Class A and Class I shares. The Pegasus Cash Management Funds
offer Institutional Class ("Class I") and Service Class ("Class S") Shares.
Class A and Class B shares may be purchased through a number of institutions
including First Chicago NBD Investment Management Company ("FCNIMCO") or (the
"Investment Adviser"), First National Bank of Chicago ("FNBC") American National
Bank and Trust Company ("ANB") and their affiliates, including First NBD
Investment Services, Inc., a registered broker-dealer, BISYS which serves the
Trust as its Distributor and certain banks, securities dealers and other
industry professionals such as investment advisers, accountants and estate
planning firms. Class I and Class S shares of the Cash Management Funds are sold
to institutional investors, including banks (such as FNBC, NBD Bank ("NBD"), and
ANB or their affiliates), acting for themselves or in a fiduciary, advisory,
agency, custodial or similar capacity, public agencies and municipalities,
employee benefit plans or other programs, registered investment advisers and
other financial institutions. For more information, see the section entitled
"Description of Classes" in the Pegasus Prospectuses incorporated by reference
into this Combined Prospectus/Proxy Statement.
 
     The One Group Funds currently offer five classes of shares: Class A, Class
B, Class C, Class I and Service Class Shares. Class A, Class B and Class C
shares are offered to the general public. The Institutional Money Market Funds
offer Class I shares only. The One Group(R) Prime and U.S. Treasury Securities
Money Market Funds offer Class A, Class B, Class C, Class I and Class S shares.
The One Group(R) Ohio Municipal, Municipal and Michigan Municipal Money Market
Funds offer Class A, Class C, Class I and Service Class shares. Class I shares
are offered to institutional investors, including affiliates of Bank One
Corporation and any bank, depository institution, insurance company, pension
plan or other organization authorized to act in fiduciary, advisory, agency,
custodial or similar capacities. Class S Shares are offered to entities
purchasing such shares on behalf of investors requiring additional
administrative or accounting services such as sweep processing. For more
information, see the section entitled "How To Do Business With The One Group" in
the One Group Prospectuses incorporated by reference into the Combined
Prospectus/Proxy Statement.
 
     The One Group also maintains a Web site (www.onegroup.com) where
shareholders may purchase or exchange shares, check account balances, or find
information about The One Group.
                                      IV-1
<PAGE>   164
 
A. PURCHASE POLICIES
 
     The following chart compares the existing purchase policies of the Pegasus
Portfolios and the One Group Funds.
 
<TABLE>
<CAPTION>
                         PEGASUS PORTFOLIOS:
                    CLASS A, B AND I SHARES OF THE      PEGASUS PORTFOLIOS:
                      MONEY MARKET AND NON-MONEY    CLASS I AND S SHARES OF THE
                             MARKET FUNDS              CASH MANAGEMENT FUNDS          ONE GROUP FUNDS
                    ------------------------------  ---------------------------       ---------------
<S>                 <C>                             <C>                          <C>
Minimum Initial     $1,000 for Class A and B        $1,000,000.(2)               $1,000 ($100 for employees
Investment          shares of Non-Money Market                                   of Bank One Corporation
                    Funds; $2,500 for Class A and                                and its affiliates); $250
                    B shares of Money Market                                     for an IRA. Investors may
                    Funds(1); $1,000,000 for Class                               purchase up to a maximum
                    I shares; $250 for an IRA.(2)                                of $250,000 of Class B
                                                                                 shares per individual
                                                                                 purchase order.(3,4)
Minimum Subsequent  $100. Subsequent Investments    No minimum                   $100 ($25 for employees of
Investment          may be made through the                                      Bank One Corporation and
                    Automatic Investment Plan.(2)                                its affiliates); $25 under
                                                                                 the Systematic Investment
                                                                                 Plan.(3)
Purchase Methods    Shares may be purchased by      Shares may be purchased by   Shares may be purchased
                    wire, telephone or with         wire, telephone or with      directly from OGSC by
                    compatible computer             compatible computer          mail, telephone, wire, or
                    facilities. Class A and B       facilities. Class I shares   through The One Group's
                    shares may be purchased         may be purchased through     Web site. Shares may also
                    through a number of             fiduciary accounts at the    be purchased through
                    institutions, including the     Investment Adviser, NBD,     investment advisors,
                    Investment Adviser, NBD, FNBC,  FNBC and ANB or their        brokers, financial
                    ANB and their affiliates,       affiliates Share             planners, banks, insurance
                    including First Chicago NBD     certificates will not be     companies, retirement or
                    Investment Services, Inc., the  issued.                      401(k) plan sponsors, or
                    Distributor, and certain                                     other intermediaries Class
                    banks, securities dealers and                                I shares may be purchased
                    other industry professionals                                 through fiduciary accounts
                    such as investment advisors,                                 at Bank One Trust Company,
                    accountants and estate                                       N.A. or its affiliates.
                    planning firms Class I shares                                Shares may also be
                    may be purchased through                                     purchased through a
                    fiduciary accounts at the                                    "mutual fund supermarket."
                    Investment Adviser, NBD, FNBC                                Shares are electronically
                    and ANB or their affiliates.                                 recorded. Therefore,
                    Shares may also be purchased                                 certificates will not be
                    through a "mutual fund                                       issued.
                    supermarket." If an investor
                    does not specify a class of
                    shares at the time of
                    purchase, Class A shares will
                    be purchased. Share
                    certificates will not be
                    issued.
Checkwriting        Class A. Shareholders of Money  None                         Class A shareholders of
Option              Market Funds may write checks                                Money Market Funds may
                    for $500 or more                                             write checks for $250 or
                                                                                 more.
</TABLE>
 
- ---------------
 
(1) Pegasus may charge a fee of $2 per month for accounts with balances of less
    than $2,500. Pegasus will notify shareholders prior to the assessment of
    such fees.
 
(2) Pegasus reserves the right to offer Fund shares without regard to the
    minimum purchase requirements to qualified or non-qualified employee benefit
    plans. The investment adviser and service agents may impose
 
                                      IV-2
<PAGE>   165
 
    initial or subsequent investment minimums which are higher or lower than
    those specified above and may impose different minimums for different types
    of accounts or purchase arrangements. Pegasus reserves the right to reject
    any purchase order.
 
(3) OGSC may waive these minimums.
 
(4) OGSC can reject a purchase order if it does not think that it is in the best
    interests of a Fund and/or its shareholders to accept the order.
 
B. PRICING OF SHARES
 
     As to each Pegasus Portfolio and One Group Fund, the net asset value
("NAV") per share of each class is computed by dividing the value of a Fund's
net assets represented by that class by the number of outstanding shares of that
class. A Fund's NAV is subject to change every day. The Pegasus Money Market
Funds and the One Group(R) Money Market Funds calculate NAV at different times
during the business day, as shown in the following table. All other funds
calculate NAV at the same time.
 
<TABLE>
<CAPTION>
TIME OF CALCULATION             PEGASUS PORTFOLIOS                           ONE GROUP FUNDS
- -------------------             ------------------                           ---------------
<S>                  <C>                                        <C>
12:00 noon EST/      Municipal Money Market, Municipal Cash     Municipal Money Market Fund
11:00 a.m. CST       Management and Michigan Municipal Money
  AND                Market Funds
4:00 p.m. EST*/
3:00 p.m. CST
2:00 p.m. EST/                                                  Prime Money Market and U.S.
1:00 p.m. CST                                                   Treasury Securities Money
  AND                                                           Market Funds
4:00 p.m. EST*/
3:00 p.m. CST
1:00 p.m. EST/       Treasury Prime Cash Management Fund
12:00 noon CST
3:00 p.m. EST/       Money Market, Treasury Money
2:00 p.m. CST        Market, Cash Management, U.S. Government
                     Securities Cash Management and Treasury
                     Cash Management Funds
4:00 p.m. EST*/      All other funds                            All other funds
3:00 p.m. CST/
</TABLE>
 
- ---------------
 
* Normal close of the New York Stock Exchange ("NYSE"). On occasion, the NYSE
  may close before 4:00 p.m. ET. When that happens, NAV will be calculated as of
  the time the NYSE closes.
 
     Shares of the Pegasus and One Group(R) Money Market Funds will not be
priced on those days the Funds are closed, the NYSE is closed, and the following
holidays: New Year's Day, Dr. Martin Luther King Jr., Day, Presidents' Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans' Day,
Thanksgiving Day, and Christmas Day. The Non-Money Market Funds will be closed
on the same holidays with the exception of Columbus Day and Veterans' Day.
 
                                      IV-3
<PAGE>   166
 
<TABLE>
<CAPTION>
                          DEADLINE FOR RECEIPT OF
DEADLINE FOR RECEIPT OF    RELATED PAYMENT BY THE
     PURCHASE ORDER              CUSTODIAN             PEGASUS PORTFOLIOS         ONE GROUP FUNDS
- -----------------------   -----------------------      ------------------         ---------------
<S>                       <C>                       <C>                       <C>
12:00 noon, EST/          4:00 p.m., EST/                                     Municipal Money Market
11:00 a.m., CST           3:00 p.m., CST                                      Fund

4:00 p.m., EST*/          4:00 p.m., EST/                                     Prime Money Market and
3:00 p.m., CST            3:00 p.m., CST                                      U.S. Treasury Securities
                                                                              Money Market Funds

4:00 p.m., EST*/          4:00 p.m., EST on (i)                               Non-Money Market Funds
3:00 p.m., CST            the business day after
                          the order is placed for
                          Class I shares and (ii)
                          the third business day
                          after the order is
                          placed for a purchase of
                          Class A, Class B, and
                          Class C Shares

Purchase requests will    Purchase requests will    Money Market Funds
be effective after an     be effective after an
order in proper form and  order in proper form and
federal funds are         federal funds are
received by the Transfer  received by the Transfer
Agent.                    Agent.
4:00 p.m., EST/                                     Non-Money Market Funds
3:00 p.m., CST
</TABLE>
 
- ---------------
 
* Normal close of the New York Stock Exchange ("NYSE"). On occasion, the NYSE
  may close before 4:00 p.m. ET. When that happens, NAV will be calculated as of
  the time the NYSE closes.
 
     The assets of each Pegasus and One Group(R) Money Market Fund are valued
based on the amortized cost method. Although each fund seeks to maintain a $1.00
net asset value per share, there can be no assurance that net asset value will
not vary.
 
C. SALES CHARGES AND EXEMPTIONS.
 
  Class A and Class B Shares
 
     Initial Sales Charge and Contingent Deferred Sales Charge ("CDSC")
 
     a. Class A Shares of the Pegasus Money Market Funds and the corresponding
        One Group(R) Money Market Funds are offered to the general public at net
        asset value without an initial sales charge.
 
     b. Class A Shares of the Pegasus Portfolios and the corresponding One
        Group(R) Non-Money Market Funds are offered to the general public at
        their public offering price (which is a Fund's net asset value per
        share, plus an applicable sales charge).
 
     c. Class B Shares of the Pegasus Portfolios and One Group Funds are sold to
        the general public at net asset value, without an initial sales charge.
        However, Class B Shares of the One Group(R) Prime Money Market and U.S.
        Treasury Securities Money Market Funds and the Pegasus and One Group(R)
        Non-Money Market Funds will be assessed a CDSC.
 
     d. The following chart summarizes the maximum sales charges applicable to
        Class A and Class B shares with respect to each Pegasus Portfolio and
        the corresponding One Group Fund.
 
<TABLE>
<CAPTION>
                                                                    MAXIMUM INITIAL SALES       MAXIMUM
REORGANIZING PEGASUS PORTFOLIOS       EXISTING ONE GROUP FUNDS        CHARGE -- CLASS A     CDSC -- CLASS B
- -------------------------------       ------------------------      ---------------------   ---------------
<S>                               <C>                               <C>                     <C>
Pegasus Managed Assets            The One Group(R) Investor              5.00%/5.25%          5.00%/5.00%
Conservative Fund                 Balanced Fund
Pegasus Managed Assets Balanced   The One Group(R) Investor Growth       5.00%/5.25%          5.00%/5.00%
Fund                              & Income Fund
</TABLE>
 
                                      IV-4
<PAGE>   167
 
<TABLE>
<CAPTION>
                                                                    MAXIMUM INITIAL SALES       MAXIMUM
REORGANIZING PEGASUS PORTFOLIOS       EXISTING ONE GROUP FUNDS        CHARGE -- CLASS A     CDSC -- CLASS B
- -------------------------------       ------------------------      ---------------------   ---------------
<S>                               <C>                               <C>                     <C>
Pegasus Managed Assets Balanced   The One Group(R) Investor Growth       5.00%/5.25%          5.00%/5.00%
Fund                              Fund
Pegasus Equity Income Fund        The One Group(R) Income Equity         5.00%/5.25%          5.00%/5.00%
                                  Fund (to be renamed Equity
                                  Income Fund upon Reorganization)
Pegasus Growth Fund               The One Group(R) Large Company         5.00%/5.25%          5.00%/5.00%
                                  Growth Fund (to be renamed Large
                                  Cap Growth Fund upon
                                  Reorganization)
Pegasus Intrinsic Value Fund      The One Group(R) Disciplined           5.00%/5.25%          5.00%/5.00%
                                  Value Fund (to be renamed Mid
                                  Cap Value Fund upon
                                  Reorganization)
Pegasus Growth and Value Fund     The One Group(R) Value Growth          5.00%/5.25%          5.00%/5.00%
                                  Fund (to be renamed Diversified
                                  Equity Fund upon Reorganization)
Pegasus Equity Index Fund         The One Group(R) Equity Index          3.00%/5.25%          3.00%/5.00%
                                  Fund
Pegasus Intermediate Bond Fund    The One Group(R) Intermediate          3.00%/4.50%          3.00%/5.00%
                                  Bond Fund
Pegasus Short Bond Fund           The One Group(R) Limited               1.00%/3.00%          1.00%/3.00%
                                  Volatility Bond Fund (to be
                                  renamed Short-Term Bond Fund
                                  upon Reorganization)
Pegasus Multi Sector Bond Fund    The One Group(R) Income Bond           3.00%/4.50%          3.00%/5.00%
                                  Fund
Pegasus High Yield Bond Fund      The One Group(R) High Yield Bond       4.50%/4.50%          5.00%/5.00%
                                  Fund
Pegasus Intermediate Municipal    The One Group(R) Intermediate          3.00%/4.50%          3.00%/5.00%
Bond Fund                         Tax- Free Bond Fund
Pegasus Mid-Cap Opportunity Fund  The One Group(R) Mid Cap               5.00%/5.25%          5.00%/5.00%
                                  Opportunities Fund (to be
                                  renamed Diversified Mid-Cap Fund
                                  upon Reorganization)
Pegasus Small-Cap Opportunity     The One Group(R) Small Cap Value       5.00%/5.25%          5.00%/5.00%
Fund                              Fund
Pegasus Market Expansion Index    The One Group(R) Market                3.00%/5.25%          3.00%/5.00%
Fund                              Expansion Index Fund (to be
                                  renamed Small-Cap Index Fund
                                  upon Reorganization)
Pegasus International Equity      The One Group(R) International         5.00%/5.25%          5.00%/5.00%
Fund                              Opportunities Fund (to be
                                  renamed Diversified
                                  International Fund upon
                                  Reorganization)
Pegasus Bond Fund                 The One Group(R) Bond Fund             4.50%/4.50%          5.00%/5.00%
Pegasus Municipal Bond Fund       The One Group(R) Tax-Free Bond         4.50%/4.50%          5.00%/5.00%
                                  Fund
Pegasus Short Municipal Bond      The One Group(R) Short-Term            1.00%/3.00%          1.00%/3.00%
Fund                              Municipal Bond Fund
Pegasus Michigan Municipal Bond   The One Group(R) Michigan              4.50%/4.50%          5.00%/5.00%
Fund                              Municipal Bond Fund
</TABLE>
 
     Each One Group Fund currently imposes a CDSC equal to 1% of the purchase
price on any or all Class A Shares redeemed within one year of purchase which
were purchases as part of an investment of $1,000,000 or more and not assessed a
sales charge at the time of purchase.
 
     With respect to Class A shares of the Pegasus Portfolios purchased without
an initial sales charge as part of an investment of at least $1,000,000 and
where such shares are redeemed within two years after purchase, a
 
                                      IV-5
<PAGE>   168
 
CDSC of 1% or .50% will be imposed at the time of redemption if shares are
redeemed within the first or second year, respectively, after purchase unless
the investor qualifies for a waiver of the CDSC as described below under "Class
B Shares -- Waiver of CDSC."
 
     The Pegasus Market Expansion Index Fund requires the payment of a
transaction fee on purchases of shares of the Fund equal to 0.50% of the dollar
amount invested.
 
     The CDSC charged with respect to the (i) Pegasus Bond and Short Municipal
Bond Funds; (ii) the Pegasus Equity Index, Market Expansion Index, Multi Sector
Bond, Intermediate Bond and Intermediate Municipal Bond Funds and (iii) all
other Pegasus Funds decline over time so that no CDSC is charged on redemptions
made more than one, five and six years from the date of purchase, respectively.
Class B shares of the Pegasus Short Bond and Short Municipal Bond Funds convert
to Class A shares after two years. Class B shares of the Pegasus Equity Index,
Market Expansion Index, Multi Sector Bond, Intermediate Bond and Intermediate
Municipal Bond Funds convert to Class A shares after six years. All other Class
B shares of Pegasus Funds convert to Class A Shares after seven years. Class B
shares of the Pegasus Money Market Fund are available only to the holders of
Class B shares in Pegasus' non-money market funds who wish to exchange their
shares in such funds for shares in the Money Market Fund. Class B shares of the
Money Market Fund will automatically convert to Class A shares at the time the
exchanged shares would have converted.
 
     The CDSC charged with respect to the Class B shares of each One Group Fund
(except the Limited Volatility Bond Fund) declines over time so that no CDSC is
charged on redemptions made more than six years from the date of purchase (four
years with respect to the Limited Volatility Bond Fund). Class B shares of the
One Group Funds automatically convert to Class A shares after eight years,
except with respect to Class B shares of the Limited Volatility Bond Fund which
automatically convert to Class A shares after six years.
 
           CLASS A SHARES -- SALES LOAD WAIVERS -- PEGASUS PORTFOLIOS
 
     Class A Shares of the Pegasus Non-Money Market Funds may be purchased at
net asset value and without an initial sales charge by: (a) full-time employees
of NASD member firms which have entered into an agreement with the Distributor
pertaining to the sale of Fund shares (or which otherwise have a brokerage-
related or clearing arrangement with an NASD member firm with respect to sales
of Fund shares), their spouses and minor children; (b) accounts opened by a
bank, trust company or thrift institution, acting as a fiduciary or custodian
(other than 401(k) and other defined contribution or other retirement plan
accounts), provided that they have furnished the Distributor appropriate
notification of such status at the time of the investment and such other
information as it may request from time to time in order to verify eligibility
for this privilege; (c) purchases for accounts registered under the Uniform
Gifts to Minor Act or Uniform Transfers to Minors Act which are opened through
First Chicago NBD Investment Services, Inc. ("FCNIS") and 401(k) and other
defined contributions of other retirement plan accounts for which The First
National Bank of Chicago ("FNBC") or its subsidiaries or affiliates have served
as custodian or trustee since at least June 1, 1995 or NBD Bank ("NBD") or its
subsidiaries or affiliates, other than FNBC or American National Bank and Trust
Company ("ANB"), have served as administrator or Trustee since January 1, 1996;
(d) directors and full-time or part-time employees of FCN, or any of its
affiliates or subsidiaries, retired employees of FCN, or any of its affiliates
and subsidiaries, Board members of a fund advised by the investment advisers,
including members of the Funds' Board of Trustees, or the spouses, children,
grandchildren, siblings, parents, grandparents and in-laws of any of the
foregoing individuals; (e) purchases through certain broker-dealers, registered
investment advisers and other financial institutions which have entered into an
agreement with a "mutual fund supermarket" or with the Distributor which
includes a requirement that such shares be purchased for the benefit of clients
participating in a "wrap account" or a similar program under which such clients
pay a fee to such broker-dealer, registered investment adviser or other
financial institution; (f) employees participating in accounts such as
retirement, 401(k), profit sharing and other employee benefit plan or program
accounts where (i) the employers or affiliated employers maintaining such plans
or programs have a minimum of 200 employees eligible for participation in such
plans or programs or (ii) such plan's or program's assets exceed one million
dollars; (g) individuals participating in a qualified retirement, profit
 
                                      IV-6
<PAGE>   169
 
sharing, 401(k) or other employee benefit plan which is eligible to purchase
Class A shares or Class I shares without a sales charge and rolls Fund shares
into a qualified IRA, then that IRA may purchase Class A shares without a sales
charge; (h) current shareholders of the Equity Index Fund who owned shares of
the Fund prior to August 26, 1996 and have held all or a portion of such shares
thereafter.
 
     Class A shares also may be purchased at net asset value, without an initial
sales charge, with the proceeds from the redemption of shares of an investment
company sold with a sales charge or commission or annuity contract or guaranteed
investment contract subject to a surrender charge. This also includes shares of
an investment company that were or would be subject to a contingent deferred
sales charge upon redemption. The purchase must be made within 60 days of the
redemption, and the Transfer Agent must be notified in writing by the investor
at the time the purchase is made.
 
     The One Group Funds and Pegasus Portfolios also offer rights of
accumulation and letter of intent programs that can reduce the sales charge
payable on shares purchases.
 
            CLASS A SHARES -- SALES LOAD WAIVERS -- ONE GROUP FUNDS
 
     Class A shares of the One Group Non-Money Market Funds may be purchased at
net asset value and without an initial sales charge if the shares were: (a)
bought with the reinvestment of dividends and capital gains distributions; (b)
acquired in exchange for other One Group Fund shares if a comparable sales
charge has been paid for the exchanged shares; (c) bought by officers,
directors, or trustees, retirees and employees (and their spouses and immediate
family members) of: (i) The One Group, (ii) Bank One Corporation and its
subsidiaries and affiliates, (iii) The One Group Services Company ("OGSC") and
its subsidiaries and affiliates, (iv) State Street Bank and Trust Company and
its subsidiaries and affiliates; (v) broker/dealers who have entered into dealer
agreements with The One Group and their subsidiaries and affiliates, (vi) an
investment sub-adviser of a fund of The One Group and such sub-adviser's
subsidiaries and affiliates; (d) bought by (i) affiliates of Bank One
Corporation and certain accounts (other than IRA accounts) for which an
intermediary acts in a fiduciary, advisory, agency, custodial or similar
capacity; (ii) accounts as to which a bank or broker-dealer charges an asset
allocation fee, provided the bank or broker/dealer has an agreement with the
(OGSC); (iii) accounts which participate in select affinity programs with Bank
One Corporation and its affiliates and subsidiaries; (iv) retirement and
deferred compensation plans and trusts used to fund those plans, including, but
not limited to, those defined in sections 401(a), 403(b) or 457 of the Internal
Revenue Code and "rabbi trusts;" (v) Shareholder Servicing Agents who have a
dealer arrangement with the (OGSC), who place trades for their own accounts or
for the accounts of their clients and who charge a management, consulting or
other fee for their services, as well as clients of such shareholder servicing
agents who place trades for their own accounts if the accounts are linked to the
master account of such shareholder servicing agent; (e) bought with proceeds
from the sale of Class I shares of a fund of The One Group or acquired in an
exchange of Class I shares of a fund for Class A shares of the same fund, but
only if the purchase is made within 60 days of the sale or distribution; (f)
bought with proceeds from the sale of shares of a mutual fund (including a fund
of The One Group) for which a sales charge was paid, but only if the purchase is
made within 60 days of the sale or distribution; (g) bought in an IRA with the
proceeds of a distribution from an employee benefit plan, but only if the
purchase is made within 60 days of the sale or distribution and, at the time of
the distribution, the employee benefit plan had plan assets invested in a fund
of The One Group; (h) bought with assets of The One Group; (i) bought in
connection with plans of reorganization of a fund, such as mergers, asset
acquisitions and exchange offers to which a fund is a party.
 
     The waivers described in (e), (f) and (g) above will not continue
indefinitely and may be discontinued at any time without notice.
 
             CLASS B SHARES -- WAIVER OF CDSC -- PEGASUS PORTFOLIOS
 
     No CDSC is charged on redemptions of Class B shares of the Pegasus
Portfolios in connection with: (a) redemptions made within one year after the
death of the shareholder; (b) redemptions by shareholders after age 70 1/2 for
purposes of the minimum required distribution from an IRA, Keogh plan or
custodial
 
                                      IV-7
<PAGE>   170
 
account pursuant to Section 403(b) of the Code; (c) distributions from a
qualified plan upon retirement or termination of employment; (d) redemption of
shares acquired through a contribution in excess of permitted amounts; (e)
in-service withdrawals from tax qualified plans by participants; (f) redemptions
initiated by a Fund of accounts with net assets of less than $1,000; (g)
redemptions by Eligible Financial Intermediaries who have purchased Class A
shares at net asset value as part of a "wrap account" or similar program; (h)
redemptions of up to 10% of the value of shares during a 12-month period as part
of a Systematic Withdrawal Plan.
 
              CLASS B SHARES -- WAIVER OF CDSC -- ONE GROUP FUNDS
 
     No CDSC is imposed on redemptions of Class B shares of the One Group Funds:
(a) provided that a shareholder withdraws no more than 10% of the account value
annually; (b) if a shareholder buys the shares in connection with certain
retirement plans, such as 401(k) and similar qualified plans; (c) if a
shareholder is a participant or beneficiary of certain retirement plans and dies
or becomes disabled (as defined in the Tax Code), but only if the redemption is
made within one year of such death or disability; (d) that represent minimum
required distributions from an IRA Account or other qualifying retirement plan,
but only if a shareholder is at least age 70 1/2; (e) exchanged in connection
with plans of reorganizations of a Fund, such as mergers, asset acquisitions and
exchange offers to which a Fund is a party; (f) acquired in exchange for Class B
shares of other Funds of The One Group.
 
  Class I Shares of the Pegasus Portfolios and One Group Funds
 
     a. Class I shares of the Pegasus Money Market Funds are offered with no
        initial sales charge or CDSC to institutional investors, including banks
        (such as FNBC and NBD), acting for themselves or in a fiduciary,
        advisory, agency, custodial or similar capacity and to public agencies
        and municipalities. Class I shares may not be purchased directly by
        individuals, although institutions may purchase shares for accounts
        maintained by individuals.
 
     b. Class I shares of the Pegasus Non-Money Market Funds are offered at net
        asset value with no initial sales charge or CDSC (although the Market
        Expansion Index Fund imposes a transaction fee) exclusively to Fiduciary
        Accounts, Eligible Retirement Plans, Eligible Financial Intermediaries
        (as each item is defined in the prospectus), and the Pegasus Asset
        Allocation Funds.
 
     c. Class S shares of the Pegasus Cash Management Funds are offered at net
        asset value with no initial sales charge or CDSC to institutional
        investors, including banks (such as FNBC and NBD), acting for themselves
        or in a fiduciary, advisory, agency, custodial or similar capacity and
        to public agencies and municipalities.
 
     d. Class I and Class A shares of the One Group Cash Management Funds are
        offered at net asset value with no initial sales charge or CDSC to
        certain institutional investors and high net worth individuals. Class I
        shares of the remaining One Group Funds are offered at net asset value
        with no initial sales charge or CDSC to certain institutional investors.
 
            CONVERSION FEATURE FOR CLASS I SHARES OF THE PEGASUS PORTFOLIOS
 
     Class I shares of each Pegasus Portfolio (other than the Cash Management
Funds) held by investors who, after purchasing Class I shares for their
Fiduciary Accounts, withdraw from such Accounts will convert to Class A shares
upon such withdrawal, based upon the relative net asset values for shares of
each such Class.
 
D. SHARE EXCHANGES
 
     Class I shares of a One Group Fund may be exchanged for Class A shares of
that Fund or for Class A or Class I shares of another One Group Fund. Class A
shares of a One Group Fund may be exchanged for Class I shares of that Fund or
for Class A or Class I shares of another One Group Fund, but only if you are
eligible to purchase those shares. Class B shares of a One Group Fund may be
exchanged for Class B shares of another One Group Fund. The One Group does not
charge a fee for this privilege. The One Group reserves the right to reject any
exchange request if the Fund reasonably believes that the exchange will result
in excessive transaction costs or otherwise adversely affect other shareholders.
 
                                      IV-8
<PAGE>   171
 
     The Pegasus Portfolios permit investors to purchase, in exchange for shares
of a Fund which have been owned for at least 30 days, shares of the same Class
of the other Pegasus Funds. The Class I and S shares of the Cash Management
Funds do not offer an exchange privilege.
 
     The exchange privilege may be modified or terminated at any time upon
notice to shareholders. The exchange privilege with respect to the
post-Reorganization Funds is substantially similar to the exchange privilege
applicable to the One Group Funds.
 
                                      IV-9
<PAGE>   172
 
     The following chart compares the existing exchange policies of the Pegasus
Portfolios and the One Group Funds.
 
<TABLE>
<CAPTION>
                              PEGASUS PORTFOLIOS                      ONE GROUP FUNDS
                              ------------------                      ---------------
<S>                  <C>                                    <C>
Mail                 Yes.                                   Yes.
 
Telephone            Yes.                                   Yes.
 
Web site             No.                                    Yes.
 
Sales Charges        Shares of the same Class of Funds      Generally, a sales charge will not
                     purchased by exchange will be          be incurred on an exchange. However,
                     purchased on the basis of relative     a sales charge will be incurred on
                     net asset value per share as           Class I Shares exchanged for Class A
                     follows: (i) shares of Funds           shares, unless shareholder qualifies
                     purchased with or without a sales      for a sales charge waiver; on Class
                     load may be exchanged without a        A shares of a Fund with no sales
                     sales load for shares of other Funds   charge exchanged for shares of a
                     sold without a sales load; (ii)        Fund with a sales charge, and on
                     shares of Funds purchased without a    shares of a Fund with a sales charge
                     sales load may be exchanged for        exchanged for shares of a fund with
                     shares of other Funds sold with a      a higher sales charge, in which case
                     sales load, and the applicable sales   the shareholder would pay the
                     load will be deducted; (iii)           difference between that Fund's sales
                     "Purchased Shares"(1) may be           charge and all other sales charges
                     exchanged for "Offered Shares"(1) of   already paid by the shareholder.(4)
                     other Funds, provided that, if the
                     sales load applicable to the Offered
                     Shares exceeds the maximum sales
                     load that could have been imposed in
                     connection with the Purchased Shares
                     (at the time the Purchased Shares
                     were acquired), without giving
                     effect to any reduced loads, the
                     difference will be deducted; (iv)
                     shares of Funds subject to a CDSC
                     that are exchanged for shares of
                     another Fund or the Pegasus Money
                     Market Fund will be subject to the
                     higher applicable CDSC of the two
                     Funds(2); (v) shares of the Money
                     Market Fund acquired through an
                     exchange of Class B shares of the
                     Pegasus Non-Money Market Funds are
                     subject to a CDSC upon redemption of
                     the shares in accordance with the
                     prospectus of the exchanged
                     shares(2); and (vi) a qualified or
                     non-qualified employee benefit plan
                     with assets of at least $1 million
                     or 200 eligible lives may be
                     exchanged from Class B shares to
                     Class A shares on or after January 1
                     of the year following the year of
                     the plan's eligibility, provided
                     that the sponsor of the plan has so
                     notified the service agent of its
                     eligibility and in turn, the service
                     agent has notified Pegasus of such
                     eligibility.(3)
</TABLE>
 
                                      IV-10
<PAGE>   173
 
- ---------------
 
(1) "Purchased Shares" are shares of Funds purchased with a sales load, shares
    of Funds acquired by a previous exchange from shares purchased with a sales
    load and additional shares acquired through reinvestment of dividends or
    distributions of any such Funds. 'Offered Shares' are shares of Funds sold
    with a sales load.
 
(2) For purposes of calculating CDSC rates and conversion periods, if any,
    shares will be deemed to have been held since the date the shares being
    exchanged were initially purchased.
 
(3) No fees currently will be charged shareholders directly in connection with
    exchanges although Pegasus reserves the right, upon not less than 60 days'
    written notice, to charge shareholders a nominal fee in accordance with
    rules promulgated by the SEC. Exchanges made into the Market Expansion Index
    Fund will be charged a transaction fee.
 
(4) If a shareholder exchanged Class B shares of a Fund, the shareholder will
    not pay a sales charge at the time of the exchange, however: (1) the new
    Class B shares will be subject to the higher CDSC of either the Fund from
    which the shareholder exchanged, the Fund into which the shareholder
    exchanged, or any Fund from which the shareholder previously exchanged, (2)
    the current holding period for the shareholder's exchanged Class B shares is
    carried over to the new shares.
 
E. REDEMPTION POLICIES
 
     The following chart compares the existing redemption policies of the
Pegasus Portfolios and the One Group Funds.
 
<TABLE>
<CAPTION>
                         PEGASUS PORTFOLIOS:
                    CLASS A, B AND I SHARES OF THE      PEGASUS PORTFOLIOS:
                      MONEY MARKET AND NON-MONEY    CLASS I AND S SHARES OF THE
                             MARKET FUNDS              CASH MANAGEMENT FUNDS          ONE GROUP FUNDS
                    ------------------------------  ---------------------------       ---------------
<S>                 <C>                             <C>                          <C>
Redemption Methods  By telephone or mail.           By telephone and compatible  By telephone or mail
                                                    computer facilities.         (except for IRA accounts
                                                                                 whose redemption requests
                                                                                 must be made in writing).
 
Payment Methods     By check, by wire (within one   By mail or by wire (on the   By mail or by wire (paid
                    business day) or Automated      same day).(1)                within seven days after
                    Clearing House (within five                                  receipt but next day and
                    business days).                                              two business day payments
                                                                                 on redemptions are
                                                                                 available(2); State Street
                                                                                 Bank & Trust Company
                                                                                 currently charges a $7.00
                                                                                 wire redemption fee).
 
Systematic          Yes ($15,000 minimum account    No.                          Yes ($10,000 minimum
Withdrawal Plan     balance with respect to Class                                account balance/$100
                    A or B shares; $10,000 with                                  minimum per transaction);
                    respect to Money Market                                      Class A shareholders
                    Funds).                                                      should consider the
                                                                                 initial sales charge and
                                                                                 Class B shareholders'
                                                                                 payments are limited to no
                                                                                 more than 10% of the
                                                                                 account value annually
                                                                                 measured from the date the
                                                                                 redemption request is
                                                                                 received; IRA account
                                                                                 payments must not exceed
                                                                                 the minimum required
                                                                                 distribution amount.
 
Reinstatement       Yes (Class A or B redemptions   No.                          No.
Privilege           may purchase, within 120 days,
                    Class A shares without a sales
                    load in an amount not to
                    exceed the redemption
                    proceeds).
</TABLE>
 
                                      IV-11
<PAGE>   174
 
     Additional Information Regarding Redemptions:
 
<TABLE>
<CAPTION>
                         PEGASUS PORTFOLIOS:
                    CLASS A, B AND I SHARES OF THE      PEGASUS PORTFOLIOS:
                      MONEY MARKET AND NON-MONEY    CLASS I AND S SHARES OF THE
                             MARKET FUNDS              CASH MANAGEMENT FUNDS          ONE GROUP FUNDS
                    ------------------------------  ---------------------------       ---------------
<S>                 <C>                             <C>                          <C>
Automatic           Upon 60 days written notice,    Upon 60 days written notice  No. Accounts less than
Redemption of       if net asset value in account   if net asset value in        $1,000 that are not
Investor's Account  is (i) $2,500 or less for       account decreases to         participating in a
                    Class A or B shares of the      $1,000,000 or less.          Systematic Investment Plan
                    Money Market Funds; of (ii)                                  will be charged an annual
                    $1,000,000 or less for Class I                               fee $10.00. This
                    shares of the Money Market                                   sub-minimum account fee
                    Funds, and (iii) less than                                   does not apply to IRA
                    $1,000 for Class A, B and I                                  accounts and the accounts
                    shares of other Pegasus                                      of employees of Bank One
                    portfolios.                                                  each Corporation and its
                                                                                 affiliates. The
                                                                                 sub-minimum account fee
                                                                                 also does not apply to
                                                                                 Institutional Money Market
                                                                                 Funds.
 
Proceeds of         Cash                            Paid in federal funds on     Cash
Redemption                                          the business day the
                                                    redemption is effected.
 
Acting on           Requires form of                Requires form of             Recording telephone
Telephone           identification                  identification               instructions; requesting
Instructions                                                                     personal identification
</TABLE>
 
- ---------------
 
(1) If the request is received before 12:00 noon, Eastern time, for the
    Municipal Cash Management Fund; 1:00 p.m. Eastern time, for the Treasury
    Prime Cash Management Fund, and 3:00 p.m. Eastern time, for the Cash
    Management Fund, Treasury Cash Management Fund and U.S. Government
    Securities Cash Management Fund.
 
(2) Requests for same day payment will be honored if the request is received
    before 12:00 noon, Eastern time, for the Municipal Money Market Fund, and
    4:00 p.m., Eastern time, for the Prime Money Market Fund and the U.S.
    Treasury Securities Money Market Fund. The Funds also will attempt to honor
    requests for payments by the next business day, if the redemption request is
    received after the times mentioned above.
 
F. DIVIDENDS AND DISTRIBUTIONS
 
     Each existing One Group Fund and Pegasus Portfolio distributes its net
capital gains to shareholders at least annually. The table below shows the
policies concerning the declaration and payment of dividends from net investment
income. Pegasus makes available to investors of Class A and Class B shares a
Cross Reinvestment of Dividend Plan. Investors who own shares of any Fund with a
minimum value of $10,000 at the time he or she elects may have dividends paid by
such Fund automatically reinvested into shares of another Pegasus Fund in which
he or she has invested a minimum of $1,000. A transaction fee will be charged to
all investors who elect to have dividends from other Funds reinvested in the
Market Expansion Index Fund.
 
<TABLE>
<CAPTION>
                         CURRENT                               CURRENT                              DIVIDEND
                        DIVIDEND                              DIVIDEND       POST-REORGANIZATION      TO BE
  PEGASUS PORTFOLIO   DECLARED/PAID       ONE GROUP FUND    DECLARED/PAID            FUND         DECLARED/PAID
  -----------------   -------------       --------------    -------------    -------------------  -------------
<S>                   <C>              <C>                  <C>              <C>                  <C>
Money Market Fund          D/M         Prime Money Market        D/M         The One Group             D/M
                                       Fund                                  Prime Money Market
                                                                             Fund
 
Treasury Money             D/M         U. S. Treasury            D/M         The One Group             D/M
Market Fund                            Securities Money                      U.S. Treasury
                                       Market Fund                           Securities Money
                                                                             Market Fund
</TABLE>
 
                                      IV-12
<PAGE>   175
 
<TABLE>
<CAPTION>
                         CURRENT                               CURRENT                              DIVIDEND
                        DIVIDEND                              DIVIDEND       POST-REORGANIZATION      TO BE
  PEGASUS PORTFOLIO   DECLARED/PAID       ONE GROUP FUND    DECLARED/PAID            FUND         DECLARED/PAID
  -----------------   -------------       --------------    -------------    -------------------  -------------
<S>                   <C>              <C>                  <C>              <C>                  <C>
Municipal Money            D/M         Municipal Money           D/M         The One Group(R)          D/M
Market Fund                            Market Fund                           Municipal Money
                                                                             Market Fund
Michigan Municipal         D/M         Michigan Municipal        D/M         The One Group(R)          D/M
Money Market Fund                      Money Market Fund                     Michigan Municipal
                                                                             Money Market Fund
Cash Management            D/M         Cash Management           D/M         The One Group(R)          D/M
                                                                             Cash
Fund                                   Money Market Fund                     Management Money
                                                                             Market Fund
Treasury Prime Cash        D/M         Treasury Prime            D/M         The One Group(R)          D/M
Management Fund                        Cash Management                       Treasury Prime
                                       Money Market Fund                     Cash Management
                                                                             Money Market Fund
U.S. Government            D/M         U. S. Government          D/M         The One Group(R)          D/M
Securities Cash                        Securities Cash                       U.S. Government
Management Fund                        Management Money                      Securities Cash
                                       Market Fund                           Management Money
                                                                             Market Fund
Municipal Cash             D/M         Municipal Cash            D/M         The One Group(R)          D/M
Management Fund                        Management Money                      Municipal Cash
                                       Market Fund                           Management Money
                                                                             Market Fund
Treasury Cash              D/M         Treasury Cash             D/M         The One Group(R)          D/M
Management Fund                        Management Money                      Treasury Cash
                                       Market Fund                           Management Money
                                                                             Market Fund
Short Bond Fund            M/M         Limited Volatility        D/M         The One Group(R)          D/M
                                       Bond Fund                             Short-Term Bond
                                                                             Fund
Intermediate Bond          M/M         Intermediate Bond         D/M         The One Group(R)          D/M
Fund                                   Fund                                  Intermediate Bond
                                                                             Fund
Multi Sector Bond          M/M         Income Bond Fund          D/M         The One Group(R)          D/M
Fund                                                                         Income Bond Fund
Bond Fund                  M/M         Bond Fund                 D/M         The One Group(R)          D/M
                                                                             Bond
                                                                             Fund
High Yield Bond Fund       M/M         High Yield Bond           D/M         The One Group(R)          D/M
                                                                             High
                                       Fund                                  Yield Bond Fund
Intermediate               M/M         Intermediate              D/M         The One Group(R)          D/M
Municipal                              Tax-Free Bond Fund                    Intermediate
Bond Fund                                                                    Tax-Free Bond Fund
Municipal Bond Fund        M/M         Municipal Bond Fund       D/M         The One Group(R)          D/M
                                                                             Tax-Free Bond Fund
Michigan Municipal         M/M         Michigan Municipal        D/M         The One Group(R)          D/M
Bond Fund                              Bond Fund                             Michigan Municipal
                                                                             Bond Fund
Short Municipal Bond       M/M         Short Municipal           D/M         The One Group(R)          D/M
Fund                                   Bond Fund                             Short-Term
                                                                             Municipal Bond Fund
</TABLE>
 
                                      IV-13
<PAGE>   176
 
<TABLE>
<CAPTION>
                         CURRENT                               CURRENT                              DIVIDEND
                        DIVIDEND                              DIVIDEND       POST-REORGANIZATION      TO BE
  PEGASUS PORTFOLIO   DECLARED/PAID       ONE GROUP FUND    DECLARED/PAID            FUND         DECLARED/PAID
  -----------------   -------------       --------------    -------------    -------------------  -------------
<S>                   <C>              <C>                  <C>              <C>                  <C>
Equity Income Fund         M/M         Income Equity Fund        M/M         The One Group(R)          M/M
                                                                             Equity Income Fund
Equity Index Fund          Q/Q         Equity Index Fund         M/M         The One Group(R)          M/M
                                                                             Equity Index Fund
Growth and Value           Q/Q         Value Growth Fund         M/M         The One Group(R)          M/M
Fund                                                                         Diversified Equity
                                                                             Fund
Intrinsic Value Fund       Q/Q         Disciplined Value         M/M         The One Group(R)          M/M
                                       Fund                                  Mid Cap Value Fund
Growth Fund                Q/Q         Large Company             M/M         The One Group(R)          M/M
                                       Growth Fund                           Large Cap Growth
                                                                             Fund
Mid-Cap Opportunity        Q/Q         Diversified Mid           M/M         The One Group(R)          M/M
Fund                                   Cap Fund                              Diversified
                                                                             Mid Cap Fund
Small-Cap                  Q/Q         Small Cap Value           M/M         The One Group(R)          M/M
Opportunity Fund                       Fund                                  Small Cap Value
                                                                             Fund
International Equity       Q/Q         Diversified               Q/Q         The One Group(R)          Q/Q
Fund                                   International Fund                    Diversified
                                                                             International Fund
Market Expansion           Q/Q         Market Expansion          M/M         The One Group(R)          M/M
Index Fund                             Index Fund                            Market Expansion
                                                                             Index Fund
Managed Assets             Q/Q         Investor Growth           M/M         The One Group(R)          M/M
Growth Fund                            Fund                                  Investor Growth
                                                                             Fund
Managed Assets             Q/Q         Investor Growth &         M/M         The One Group(R)          M/M
Balanced Fund                          Income Fund                           Investor Growth &
                                                                             Income Fund
Managed Assets             M/M         Investor Balanced         M/M         The One Group(R)          M/M
Conservative Fund                      Fund                                  Investor Balanced
                                                                             Fund
</TABLE>
 
- ---------------
 
D/M = Daily/Monthly
M/M = Monthly/Monthly
Q/Q = Quarterly/Quarterly
 
                                      IV-14
<PAGE>   177
 
                                                                      APPENDIX V
 
          THE ONE GROUP(R) U.S. TREASURY SECURITIES MONEY MARKET FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The seven-day yield on The One Group(R) U.S. Treasury Securities Money
Market Fund Fiduciary share class was 5.12% on June 30, 1998, up slightly from
5.03% on June 30, 1997.
 
WHAT CONTRIBUTED TO THE FUND'S FAIRLY STABLE YIELDS?
 
     The Fund's yield reflects the relative stability in interest rates brought
on by the Federal Reserve's unchanged monetary policy. Rate movements throughout
the year were fairly moderate. They reflected changing views on economic
strength and whether that strength would lead to inflationary pressures
requiring Federal Reserve action.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Our primary strategy during the period was to maintain a "barbell" maturity
structure, meaning that we focused on securities at the extremes of the
short-term maturity range. As such, the Fund emphasized securities with
maturities between six months and one year along with overnight repurchase
agreements.
 
     The money market yield curve during the fiscal year remained fairly steep,
meaning that securities with longer maturities paid relatively higher yields.
The Fund's "longer" securities -- those maturing in six months to one
year -- enabled the Fund to increase its yield. At the same time, the repurchase
agreements, which matured overnight, allowed the Fund to retain a high level of
liquidity.
 
     This strategy led to an average maturity of 37 days on June 30, 1998,
enabling the Fund to maintain its "AAA" average quality rating -- the best
possible -- from Standard & Poor's and Moody's Investors Service. This rating
indicates that the Fund's securities are of the highest quality and offer the
lowest risk. In order to receive this rating, a fund must have an average
maturity no greater than 60 days.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     Economic activity and its influences on Federal Reserve policies will have
a direct effect on the Fund over the next year. Over the near term, strong
domestic demand is likely to be offset by the Asian crisis. This will require
the Federal Reserve to be diligent in directing monetary policy. This outlook
warrants continued caution so the Fund can be positioned to benefit from any
action the Federal Reserve may take.
 
/s/ ANDREW T. LINTON
- ------------------------------------------------------
Andrew T. Linton
Fund Manager
/s/ GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed Income Securities
 
<TABLE>
<CAPTION>
                                                AVERAGE ANNUAL
                                                 TOTAL RETURN
  CLASS OF SHARES  7 DAY YIELD   1 YEAR   5 YEARS   10 YEARS   SINCE INCEPTION
  <S>              <C>           <C>      <C>       <C>        <C>             <C>
     Fiduciary        5.12%       5.19%    4.73%      5.39%         5.48%
      Class A         4.87%       4.92%    4.47%        NA          4.10%
      Class B         4.12%       4.14%      NA         NA          4.11%
      Class C         4.08%         NA       NA         NA          1.47%
</TABLE>
 
Please refer to the prospectus and the accompanying financial statements for
further information about your Fund.
 
                                       V-1
<PAGE>   178
 
                    THE ONE GROUP(R) PRIME MONEY MARKET FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The seven-day yield on The One Group(R) Prime Money Market Fund Fiduciary
share class was 5.22% on June 30, 1998, down slightly from 5.25% on June 30,
1997.
 
WHAT CONTRIBUTED TO THE FUND'S FAIRLY STABLE YIELD?
 
     The relative stability of the Fund's yield reflects the fact that the
Federal Reserve left monetary policy unchanged throughout the fiscal year.
Interim rate movements were fairly moderate and reflected market participants'
changing views on how the problems in Asia would affect the domestic economy.
Some believed that the seriousness of the situation would lead to a significant
slowdown of the U.S. economy, causing the Federal Reserve to cut interest rates.
Others believed that the underlying strength of the domestic economy would
overwhelm any Asian impact, and that the Federal Reserve would be forced to hike
interest rates in anticipation of higher inflation.
 
WHICH VIEWPOINT DID YOU FAVOR?
 
     Our stance was that the Federal Reserve would leave interest rates
unchanged. We believed that cheaper imports resulting from the Asian crisis
would help keep the U.S. inflation rate low, as U.S. producers would be
compelled to keep prices down in order to compete. Also encouraging the Federal
Reserve to leave rates alone was the federal budget surplus. With Congress
apparently gridlocked on how to spend it, fiscal stimulus was not a problem
facing monetary policy makers.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     With Federal Reserve monetary policy on hold, the Fund's weighted average
maturity stayed in a range of 60 days to 85 days -- slightly higher than usual.
When interest rates climbed, we extended the weighted average maturity to the
higher end of the range to capture better yields. And, when rates drifted
downward, we shortened the weighted average maturity until we perceived better
value in the market.
 
     On June 30, 1998, the Fund's weighted average maturity was 71 days,
compared to 68 days on June 30, 1997.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     As long as the Federal Reserve maintains a gradual, modest approach to
regulating monetary supply, we will continue to pursue yield advantages from a
weighted average maturity range that is slightly longer than average.
 
ROGER C. HALE
- ------------------------------------------------------
Roger C. Hale, CFA, CFP
Fund Manager
GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed Income Securities
 
<TABLE>
<CAPTION>
                                                AVERAGE ANNUAL
                                                 TOTAL RETURN
  CLASS OF SHARES  7 DAY YIELD   1 YEAR   5 YEARS   10 YEARS   SINCE INCEPTION
  <S>              <C>           <C>      <C>       <C>        <C>             <C>
     Fiduciary        5.22%       5.39%    4.92%      5.63%         5.76%
      Class A         4.97%       5.13%    4.66%        NA          4.29%
      Class B         4.22%       4.35%      NA         NA          4.36%
</TABLE>
 
Please refer to the prospectus and the accompanying financial statements for
further information about your Fund.
 
                                       V-2
<PAGE>   179
 
                  THE ONE GROUP(R) MUNICIPAL MONEY MARKET FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The seven-day yield on The One Group(R) Municipal Money Market Fund
Fiduciary share class was 3.15% on June 30, 1998, compared to 3.63% on June 30,
1997. (For investors in the 39.6% federal income tax bracket, the June 30, 1998,
tax-exempt yield translates into a tax-equivalent yield of 5.16%.)
 
     The Fund also experienced a significant increase in assets during the year
to $613.9 million from $524.5 million.
 
DID YIELDS FLUCTUATE MUCH DURING THE YEAR?
 
     Yields in the variable-rate sector experienced the most volatility of any
sector, moving within a trading range of 2.75% to 4.50%. Rates reached their
peak in April and their low point in February. This volatility was due primarily
to changing technical supply and demand factors combined with inconsistent
market cash flows. In comparison, the one-year fixed-rate sector traded within a
narrower range of 3.55% to 3.85%.
 
HOW DID ECONOMIC EVENTS INFLUENCE MARKET PERFORMANCE?
 
     Short-term tax-exempt rates moved moderately lower during the year. With
the Federal Reserve's monetary policy remaining unchanged, the market reacted
positively to moderate economic output and a low-inflation environment.
 
     Many short-term municipal issuers have continued to benefit significantly
from the ongoing economic expansion. This favorable environment has allowed many
borrowers to either reduce their outstanding deficits or increase their cash
surplus, which resulted in reduced issuance compared to previous years. Lower
financing needs coupled with steady demand supported the downward trend in
rates.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Our primary strategy continues to involve adjusting the mix of
variable-rate and fixed-rate obligations based on changing market conditions. We
also incorporate a quality-oriented investment selection process to help ensure
that all issues selected for the Fund represent minimal credit risk. Because of
this process, the Fund did not experience any adverse impact or credit
downgrades from the Asian bank and credit crisis that began to unfold in
October.
 
     As the yield curve shifted during the year, we maintained the Fund's
average maturity in a range of 34 days to 61 days. This enabled us to take
advantage of changing market conditions and to accommodate the Fund's liquidity
needs. At year-end, the average maturity was 46 days, compared to 37 days a year
ago.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     The outlook for the municipal money market continues to look positive.
While demand for short-term products should continue to exceed available market
supply, we plan to focus on longer-term issues and rely on our investment
process in an attempt to provide competitive returns.
 
/s/ THOMAS W. CARY
- ------------------------------------------------------
Thomas W. Cary
Fund Manager
/s/ GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed Income Securities
 
<TABLE>
<CAPTION>
                                                AVERAGE ANNUAL
                                                 TOTAL RETURN
  CLASS OF SHARES  7 DAY YIELD   1 YEAR   5 YEARS   10 YEARS   SINCE INCEPTION
  <S>              <C>           <C>      <C>       <C>        <C>             <C>
     Fiduciary        3.15%       3.27%    3.05%      3.77%         3.84%
      Class A         2.90%       3.01%    2.81%        NA          2.64%
</TABLE>
 
Please refer to the prospectus and the accompanying financial statements for
further information about your Fund.
 
                                       V-3
<PAGE>   180
 
                        THE ONE GROUP(R) INVESTOR FUNDS
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUNDS PERFORM?
 
     For the year ended June 30, 1998, The One Group(R) Investor Funds posted
the following total returns for their respective Fiduciary share class:
 
     - The One Group(R) Investor Growth Fund, 23.81%
 
     - The One Group(R) Investor Growth and Income Fund, 20.34%
 
     - The One Group(R) Investor Balanced Fund, 17.02%
 
     - The One Group(R) Investor Conservative Growth Fund, 12.73%
 
     For information on other share classes and performance comparisons to
indexes, please see pages 4-7.
 
HOW DID THE BOND AND STOCK MARKETS PERFORM?
 
     The bond market continued to benefit from low inflation, which helped push
interest rates down and bond prices up. Furthermore, events in Asia contributed
to a weakening global economy, which in turn helped support favorable bond
market conditions in the United States.
 
     The stock market continued to provide better-than-average investment
returns, thanks to low inflation, moderate economic growth and strong corporate
earnings growth. In addition, a favorable bond market contributed to the stock
market's strength by allowing price/earnings (P/E) multiple expansion. That is,
the declining interest rate environment allowed companies to realize greater
profits, and stock prices increased on these favorable earnings results.
 
     For more than four years, large-capitalization growth stocks have led the
domestic market surge, outperforming smaller-company stocks and value-oriented
stocks. Investors continued to favor larger companies due to their earnings
reliability and stock liquidity.
 
DID THE SITUATION IN ASIA INFLUENCE STOCK RETURNS?
 
     Beginning in late 1997, many larger, multinational companies, particularly
in the semiconductor, energy and commodities sectors, felt the effects of the
Asian markets' meltdown. With too much capital and investment generating excess
capacity, lower prices led to insufficient profits. As a result, currencies
declined and market returns plummeted for most Asian markets.
 
WERE THERE ANY OTHER NOTABLE PERFORMANCES OVERSEAS?
 
     Many European markets experienced a comeback, with strong one-year
performance from Italy, up 63%; Spain up 50%; Germany, up 46%; and France, up
43%.
 
WHAT WAS YOUR OVERALL ASSET ALLOCATION STRATEGY?
 
     Each of the Investor Funds maintained relatively strong exposure to equity
funds (depending, of course, on each fund's overall investment objective and
asset allocation parameters), which enabled the funds to participate in the
ongoing stock market rally and post attractive overall returns. In addition,
each Fund's allocation toward the bond market was slightly greater than what we
consider to be average exposure.
 
WHY WAS THAT?
 
     We implemented this strategy based on our ongoing research efforts, which
showed that stocks, on a valuation basis, continued to be more expensive than
bonds. We felt that this presented some additional risks for stocks. At the same
time, earnings momentum remained strong. We therefore made only a slight shift
 
                                       V-4
<PAGE>   181
                        THE ONE GROUP(R) INVESTOR FUNDS
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
toward fixed income funds in order to gain some downside protection from the
stock market's high valuations. The average fund allocations during the period
were as follows:
 
     - The One Group(R) Investor Growth Fund: 86% equity funds; 13% fixed income
       funds; 1% money market funds
 
     - The One Group(R) Investor Growth and Income Fund: 66% equity funds; 33%
       fixed income funds; 1% money market funds
 
     - The One Group(R) Investor Balanced Fund: 46% equity funds; 53% fixed
       income funds; 1% money market funds
 
     - The One Group(R) Conservative Growth Fund: 26% equity funds; 72% fixed
       income funds; 2% money market funds
 
WHAT WERE YOUR KEY STRATEGIES IN THE EQUITY ARENA?
 
     The Investor Funds enjoyed varying exposure, depending on the overall
investment objective, to the following equity styles: large capitalization,
mid-capitalization, small capitalization and international. Within each style,
individual stock selection remains the core of our management process. We
modestly adjusted our asset allocations to include international stocks, giving
the funds an opportunity to take advantage of lower valuations in Asia and
continued economic recovery in Europe. Our international exposure is now between
5% and 11%, with the greatest exposure in The One Group Investor Growth Fund.
This ongoing approach toward diversification helped limit risk while offering
return opportunities from different market segments.
 
WHAT WERE YOUR KEY STRATEGIES WITHIN THE FIXED INCOME MARKET?
 
     Within the fixed income funds, our efforts centered on maintaining a
low-risk profile by keeping durations at or near their average levels. (Duration
is a measure of a fund's price sensitivity to interest rate changes. A longer
duration indicates greater sensitivity; a shorter duration indicates less.)
Instead of making "bets" on interest rate movements by significantly altering
duration, we prefer to concentrate on the yield component of total return.
 
     Over the past year, our fund managers focused on select investments in the
corporate, asset-backed and mortgage-backed sectors. This allowed the funds to
capture the yield advantages that these securities generally offered compared to
Treasury securities. At the same time, they focused on maintaining portfolios
with good average credit quality.
 
WHAT IS YOUR OUTLOOK FOR THE FUNDS?
 
     Economic activity is critical to the funds' performance because the economy
drives earnings. The current economic expansion, now in its eighth year, is one
of the longest in history. Looking ahead to fiscal 1999, we expect U.S. economic
growth to remain positive, but to slow down from recent levels. Corporate
earnings should continue to grow, but perhaps not at the pace we've seen
recently.
 
     We also believe that inflation will remain low, leading to a stable or
lower interest rate environment. As such, we believe there will be little
opportunity for price volatility to significantly influence bond market returns.
 
     Asia remains the one wild card. An unforeseen depression in any of these
countries could spill over and put a squeeze on U.S. growth. We believe that a
depression is unlikely, however, because Japan's economic package should provide
guidance for the country and establish an outline for deregulation. These moves
should bring Japan closer to financial reform and improve the banking system.
 
                                       V-5
<PAGE>   182
                        THE ONE GROUP(R) INVESTOR FUNDS
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     Given the extraordinary equity gains of the last several years, it is not
realistic to expect this pace to continue. Going forward, we think the equity
market will be a bit more selective, which would make individual security
selection even more important.
 
     We currently don't anticipate making any significant changes to our asset
allocation strategies. But we will continue to monitor the economic climate for
inflationary pressures and valuation levels in the financial markets. We also
will keep close tabs on the situation in Asia and how events there may affect
the funds' investments.
 
                                            /s/ RICHARD R. JANDRAIN III
 
                                            ------------------------------------
                                            Richard R. Jandrain III
                                            Senior Managing Director of Equity
                                            Securities
                                            Director, Asset Allocation Committee
 
     Please refer to the prospectus and the accompanying financial statements
for more information about your Fund.
 
                                       V-6
<PAGE>   183
 
                     THE ONE GROUP(R) INVESTOR GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Fiduciary                23.81%        24.49%
</TABLE>
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT
                                                       Fiduciary                 S&P 1500                 Lipper Mix
<S>                                             <C>                       <C>                       <C>
Dec-96                                                   10000                     10000                     10000
 
Jun-97                                                   11350                     11945                     10680
 
Jun-98                                                   14053                     15462                     12724
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class A                  23.44%        23.78%
  Class A*                 17.87%        20.17%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix         Class A*          Class A
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000              9550             10000
 
6/97                                                            11945             10680             10776             11284
 
6/98                                                            15462             12724             13303             13929
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class B                  22.52%        23.91%
  Class B**                18.52%        21.61%
</TABLE>
 
** Reflects Applicable Contingent Deferred
 
  Sales Charge.
 
<TABLE>
<CAPTION>
                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix        Class B**          Class B
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000             10000             10000
 
6/97                                                            11945             10680             11388             11388
 
6/98                                                            15462             12724             13552             13952
</TABLE>
 
                                       V-7
<PAGE>   184
                     THE ONE GROUP(R) INVESTOR GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year       (7/1/97)
<S>                      <C>         <C>            <C>
  Class C                  22.42%        22.42%
  Class C**                21.42%        21.42%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix        Class C**          Class C
<S>                                                  <C>               <C>               <C>               <C>
7/97                                                            10000             10000             10000             10000
6/98                                                            12944             11914             12141             12241
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Investor Growth Fund is measured against the S&P
1500 Index, an unmanaged index generally representative of the performance of
large and small companies in the US stock market. Investors are unable to
purchase the index directly, although they can invest in the underlying
securities. The performance of the index does not reflect the deduction of
expenses associated with a mutual fund, such as investment management. By
contrast, the performance of the fund reflects the deduction of these
value-added services as well as the deduction of sales charges on Class A Shares
and applicable contingent deferred sales charges on Class B and Class C Shares.
 
     The Lipper Mix for all the classes consists of the average monthly returns
of the Lipper General Equity Funds Universe (75%), the Lipper International
Funds Universe (10%), and the Lipper Intermediate US Government Bond Funds
Universe (15%). The Lipper Universes consist of the equally weighted average
monthly return of all the funds within the category.
 
                                       V-8
<PAGE>   185
 
                 THE ONE GROUP(R) INVESTOR GROWTH & INCOME FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Fiduciary                20.34%        20.40%
</TABLE>
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                     Measurement Period
                   (Fiscal Year Covered)                          S&P 1500         Lipper Mix        Fiduciary
<S>                                                           <C>               <C>               <C>
12/96                                                                    10000             10000             10000
 
6/97                                                                     11945             10535             11087
 
6/98                                                                     15462             12342             13342
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class A                  20.18%        20.73%
  Class A*                 14.76%        17.21%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix         Class A*          Class A
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000              9550             10000

6/97                                                            11945             10535             10648             11150
 
6/98                                                            15462             12342             12797             13399
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class B                  19.13%        19.72%
  Class B**                15.13%        17.38%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix        Class B**          Class B
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000             10000             10000

6/97                                                            11945             10535             11102             11102

6/98                                                            15462             12342             12825             13225
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year       (7/1/97)
<S>                      <C>         <C>            <C>
  Class C                  19.08%        19.08%
  Class C**                18.08%        18.08%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                Measurement Period
               (Fiscal Year Covered)                     S&P 1500         Lipper Mix        Class C**          Class C
<S>                                                  <C>               <C>               <C>               <C>
6/98                                                            12944             11715             11808             11908

7/97                                                            10000             10000             10000             10000



</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
                                       V-9
<PAGE>   186
                 THE ONE GROUP(R) INVESTOR GROWTH & INCOME FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance of the Investor Growth & Income Fund is measured against
the S&P 1500 Index, an unmanaged index generally representative of the
performance of large and small companies in the US stock market. Investors are
unable to purchase the index directly, although they can invest in the
underlying securities. The performance of the index does not reflect the
deduction of expenses associated with a mutual fund, such as investment
management. By contrast, the performance of the fund reflects the deduction of
these value-added services as well as the deduction of sales charges on Class A
Shares and applicable contingent deferred sales charges on Class B and Class C
Shares.
 
     The Lipper Mix for all the classes consists of the average monthly returns
of the Lipper General Equity Funds Universe (60%), the Lipper International
Funds Universe (5%), and the Lipper Intermediate US Government Bond Funds
Universe (35%). The Lipper Universes consist of the equally weighted average
monthly return of all the funds within the category.
 
                                      V-10
<PAGE>   187
 
                    THE ONE GROUP(R) INVESTOR BALANCED FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Fiduciary                17.02%        16.60%
</TABLE>
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                                                                   Lehman
                                                                  Brothers
                                                                Intermediate
                     Measurement Period                          Aggregate
                   (Fiscal Year Covered)                            Bond           Lipper Mix        Fiduciary
<S>                                                           <C>               <C>               <C>
12/96                                                                    10000             10000             10000
 
6/97                                                                     10323             10390             10848
 
6/98                                                                     11219             11890             12694
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class A                  16.62%        16.29%
  Class A*                 11.39%        12.90%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                                                          Lehman
                                                         Brothers
                Measurement Period                     Intermediate
               (Fiscal Year Covered)                       Bond           Lipper Mix         Class A*          Class A
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000              9550             10000
 
6/97                                                            10323             10390             10353             10841
 
6/98                                                            11219             11890             12074             12641
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (12/10/96)
<S>                      <C>         <C>            <C>
  Class B                  15.85%        15.67%
  Class B**                11.85%        13.28%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                                                          Lehman
                                                         Brothers
                Measurement Period                     Intermediate
               (Fiscal Year Covered)                       Bond           Lipper Mix        Class B**          Class B
<S>                                                  <C>               <C>               <C>               <C>
12/96                                                           10000             10000             10000             10000
 
6/97                                                            10323             10390             10822             10822
 
6/98                                                            11219             11890             12136             12536
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year       (7/1/97)
<S>                      <C>         <C>            <C>
  Class C                  15.66%        15.66%
  Class C**                14.66%        14.66%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                                                          Lehman
                                                         Brothers
                Measurement Period                     Intermediate
               (Fiscal Year Covered)                       Bond           Lipper Mix        Class C**          Class C
<S>                                                  <C>               <C>               <C>               <C>
7/97                                                            10000             10000             10000             10000
 
6/98                                                            10868             11444             11466             11566
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
                                      V-11
<PAGE>   188
                    THE ONE GROUP(R) INVESTOR BALANCED FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance of the Investor Balanced Fund is measured against the
Lehman Brothers Intermediate Aggregate Bond Index, an unmanaged index comprised
of US Government, mortgage, corporate and asset-backed securities with
maturities of one to ten years. Investors are unable to purchase the index
directly, although they can invest in the underlying securities. The performance
of the index does not reflect the deduction of expenses associated with a mutual
fund, such as investment management. By contrast, the performance of the fund
reflects the deduction of these value-added services as well as the deduction of
sales charges on Class A Shares and applicable contingent deferred sales charges
on Class B and Class C Shares.
 
     The Lipper Mix for all the classes consists of the average monthly returns
of the Lipper General Equity Funds Universe (40%), the Lipper International
Funds Universe (5%), and the Lipper Intermediate US Government Bond Funds
Universe (55%). The Lipper Universes consist of the equally weighted average
monthly return of all the funds within the category.
 
                                      V-12
<PAGE>   189
 
                THE ONE GROUP(R) INTERMEDIATE TAX-FREE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Intermediate Tax-Free Bond Fund Fiduciary share class
offered a total return of 7.74% for the year ended June 30, 1998. (For
information on other share classes and performance comparisons to indexes,
please see page 4.)
 
     Overall, interest rates declined during the year, and the Fund's 30-day SEC
yield (Fiduciary share class) fell to 4.15% at year-end, compared to 4.57% on
June 30, 1997. (For investors in the 39.6% federal income tax bracket, the June
30, 1998, yield translates into a taxable-equivalent yield of 6.87%.)
 
HOW DID YOU MANAGE INTEREST RATE VOLATILITY?
 
     We generated the Fund's total return by continually realigning the
portfolio through one of the most volatile market environments in recent
history. With worries of inflation-induced Federal Reserve intervention and
fallout from the Asian situation, we witnessed significant market moves on a
regular basis. With limited cash flow in the Fund, we sought to add value for
shareholders by taking advantage of this volatility. By investing in discount
coupon bonds, we could buy when the market fell off and let the bonds run up in
price when the markets recovered from the many sell-offs during the year.
 
     With an eye on after-tax total return, we remain conscious of capital
gains. As such, we will take losses on bonds when the market declines, which
helps offset the gains the Fund realizes when the market rallies. Our intent is
to generate tax-free income, but we also want to enhance total return by
realigning the portfolio to react to market conditions.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Our belief during the year was that the market would be volatile, but that
interest rates would head lower. As such, we maintained an average duration near
the six-year mark, added yield to the portfolio, and traded securities to take
advantage of market volatility. (Duration is a measure of a fund's price
sensitivity to interest rate changes. A longer duration indicates greater
sensitivity; a shorter duration indicates less.)
 
     In keeping with our strategy, when rates moved up, and prices fell, we sold
certain issues and captured losses (see above). Then, we replaced those issues
with bonds of similar structure -- positive convexity, discount coupons and high
liquidity -- which increased the portfolio's yield. (Convexity is a secondary
measure of a fund's price sensitivity to interest rate changes. Generally, bonds
with positive convexity perform better than those with negative convexity in
periods of high interest rate volatility.) Our strategy was to restructure a
portion of the portfolio with blocks of desirable bonds, so as to sell them at a
profit if our outlook changed during the year. Given the volatility in the
market from repeated economic data suggesting the death of inflation, to the
Asian turmoil that sent the markets reeling in the fourth quarter of 1997, our
tactics were sound.
 
DID THE FUND'S OVERALL QUALITY CHANGE?
 
     The Fund's overall credit quality remained high, largely because an
increasing number of bonds coming to market are insured. At year-end, 73.9% of
the Fund's assets were invested in securities rated AAA and AA. We continue to
look in the lower-investment-grade areas for bonds with higher yields. But, this
has been somewhat challenging because the spread, or difference in yield,
between medium-grade bonds (those rated A and BBB) and AAA-rated bonds has been
compressed over the last 18 months, meaning that there is little yield advantage
to moving into the medium-quality area.
 
                                      V-13
<PAGE>   190
                THE ONE GROUP(R) INTERMEDIATE TAX-FREE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     We have no real evidence that market volatility will subside in the near
future, so we anticipate trading in the range we have seen over the past year.
We remain vigilant in our inflation watch, because any sign of an overheating
economy should lead the Federal Reserve to raise rates and, therefore, erode the
value of bonds. Nevertheless, we expect inflation to remain under control for
the near term, as a slower-growth economy should keep interest rates low and may
even force the Fed to ease monetary policy.
 
/s/ PATRICK M. MORRISSEY
- ------------------------------------------------------
Patrick M. Morrissey
Fund Manager
/s/ GARY J. MADICH, CFA
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed-Income Securities
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-14
<PAGE>   191
                THE ONE GROUP(R) INTERMEDIATE TAX-FREE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year       (9/4/90)
<S>                   <C>         <C>         <C>
  Fiduciary              7.74%       5.46%        6.95%
</TABLE>
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT
                                                                                        Lipper Intermediate
                                                               Lehman Brothers 7        Municipal Bond Funds
                                           Fiduciary          Year Municipal Bond              Index
<S>                                          <C>                    <C>                         <C>
Jun-98                                       16908                  17653                       16807

Jun-97                                       15694                  16446                       15715
 
Jun-96                                       14564                  15366                       14764
 
Jun-95                                       13820                  14560                       14046
 
Jun-94                                       12946                  13453                       13156
 
Jun-93                                       12961                  13285                       13026
 
Jun-92                                       11805                  11996                       11854
 
Jun-91                                       10777                  10814                       10749
 
Sep-90                                       10000                  10000                       10000
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A                7.50%       5.22%        6.08%
  Class A*               2.70%       4.26%        5.32%
</TABLE>
 
* Reflects 4.50% Sales Charge.

<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT
                                                                      Lehman Brothers 7         Lipper Intermediate
                                                                       Year Municipal           Municipal Bond Funds
                                      Class A        Class A*               Bond                      Index
 
<S>                                    <C>            <C>                   <C>                        <C>
Jun-98                                 14561          13904                 15185                      14619
 
Jun-97                                 13547          12933                 14147                      13669
 
Jun-96                                 12616          12046                 13218                      12842
 
Jun-95                                 11983          11444                 12525                      12218
 
Jun-94                                 11253          10747                 11572                      11443
 
Jun-93                                 11291          10783                 11428                      11331
 
Jun-92                                 10314           9850                 10319                      10311
 
Feb-92                                 10000           9550                 10000                      10000
</TABLE>
                                      V-15
<PAGE>   192
                THE ONE GROUP(R) INTERMEDIATE TAX-FREE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                   6.81%        4.28%
  Class B**                 2.81%        3.89%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT
                                                                                    Lehman Brothers 7    Lipper Intermediate
                                                                                     Year Municipal        Municipal Bond
<S>                                    <C>                   <C>                   <C>                   <C>
                                             Class B              Class B**            Bond              Funds Index
 
Jun-98                                        12056                 11856                 12625                 12266

Jun-97                                        11289                 11289                 11762                 11469
 
Jun-96                                        10568                 10568                 10990                 10775
 
Jun-95                                        10115                 10115                 10413                 10251
 
Jun-94                                         9552                  9552                  9622                  9601
 
Jan-94                                        10000                 10000                 10000                 10000
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The fund's income may be subject to the federal alternative minimum tax.
 
     The performance of the Intermediate Tax-Free Bond Fund is measured against
the Lehman Brothers 7 Year Municipal Bond Index, an unmanaged index comprised of
investment grade municipal bonds with maturities close to seven years. Investors
are unable to purchase the index directly, although they can invest in the
underlying securities. The performance of the index does not reflect the
deduction of expenses associated with a mutual fund, such as investment
management. By contrast, the performance of the fund reflects the deduction of
these value-added services as well as the deduction of sales charges on Class A
Shares and applicable contingent deferred sales charges on Class B Shares.
 
     The Lipper Intermediate Municipal Bond Funds Index consists of the equally
weighted average monthly return of the largest funds within the universe of all
funds in the category.
 
                                      V-16
<PAGE>   193
 
                      THE ONE GROUP(R) INCOME EQUITY FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Income Equity Fund Fiduciary share class posted a total
return of 23.18% for the year ended June 30, 1998. (For information on other
share classes and performance comparisons to the Fund's benchmark index, please
see page 7.)
 
     With inflation, unemployment and federal fiscal balances at their best
levels in a generation, the equity market offered strong double-digit returns
for the fourth consecutive year.
 
TO WHAT DO YOU ATTRIBUTE SUCH STRONG PERFORMANCE?
 
     The Fund continued to benefit from its concentration in the types of
companies investors have preferred-large-capitalization, high-quality,
consistent-growth companies. At the same time, the Fund was rewarded for not
owning companies with severe earnings problems, such as those with significant
exposure to Asia.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Our portfolio strategies during the year focused on maintaining strong
performance measures while positioning the portfolio for a more challenging
market environment we think may be in store. As such, we sold and took profits
on certain issues that have been the best performers over the last several
years. We also eliminated some disappointing holdings and established new
positions in securities that we think are likely to be future market leaders.
 
     We also have been improving the Fund's current income by reducing
lower-dividend-yielding issues and building positions in higher-yielding
securities. We also cut in half the Fund's position in convertible securities
and used the proceeds to invest in real estate investment trusts (REITs). In
addition to enhancing the Fund's diversification, we believe the REITs offer
good value and add important defensive characteristics to the Fund due to their
attractive yields.
 
     On average, the Fund held 89% of its assets in common stocks, 5% in
convertible securities, 5% in REITs and 1% in cash during the year.
 
DID THE PORTFOLIO BENEFIT FROM ANY PARTICULARLY STRONG HOLDINGS?*
 
     The Fund enjoyed strong fiscal-year performance from several sectors in
which certain companies consistently achieved superior earnings growth or
benefited from major restructuring:
 
          - Health care (Schering-Plough, Pfizer and Warner-Lambert were up 65%
     or more)
 
          - Finance (American Express, Chase Manhattan, U.S. Bancorp, Lincoln
     National, FNMA and National City were up 35% or more)
 
          - Telephone utilities (AT&T, BellSouth and Sprint were up 30% or more)
 
          - Selected industrials (Ford was up 55%).
 
WERE THERE ANY DISAPPOINTING HOLDINGS?*
 
     Disappointing performers were concentrated in more volatile sectors,
including transportation (Union Pacific declined 37% for the fiscal year),
energy and mining (Amoco was off 4%, Cyprus-Amax down 46%) and manufacturing
(Corning, Boeing and Deere declined in price). Our policy in handling such
"problem" issues is to reduce the position size when earnings expectations are
not being met and sell out completely if a
 
                                      V-17
<PAGE>   194
                      THE ONE GROUP(R) INCOME EQUITY FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
turnaround is unlikely, as we did with Union Pacific and Cyprus-Amax. To help
avoid problem situations, we concentrate on favorable growth areas and look to
fundamental research conducted by our in-house analysts.
 
HOW DID THE FUND'S TOP 10 HOLDINGS CHANGE?*
 
     Two new issues moved into the top 10 holdings-American Home Products, 2.1%
(health care) and Schering-Plough, 1.9% replaced Mobil (energy) and Philip
Morris (consumer non-durables). The remaining top 10 holdings were unchanged
from last year and included General Electric, 3.4% (capital goods), American
Express, 2.5%, Bristol-Myers Squibb, 2.4% (health care), Exxon, 2.2% (energy),
BankAmerica, 2.1% (financial services), Warner-Lambert, 2.1%, Coca-Cola, 2.1%
(consumer non-durable), and Royal Dutch Petroleum, 2.0% (energy).
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     We are pleased with the current composition of the portfolio and the
fundamental progress of the companies the Fund owns. Nevertheless, the financial
markets have been highly volatile. Many of the uncertainties confronting
investors today -- Asian problems, nuclear proliferation, historically high
stock valuations -- have no quick-fix solutions. Furthermore, corporate earnings
gains aren't as good as they have been in recent years. This would suggest that
we should lower our return expectations and become more focused and selective.
 
     Perhaps the best plan is to remain flexible and vigilant in order to take
advantage of opportunities when they arise. If a more challenging market
develops, we believe the Fund is well positioned, given its defensive
characteristics, higher-than-average income, holdings in predictable growth
companies and exposure to real estate.
 
R. LYNN YTURRI
- ------------------------------------------------------
R. Lynn Yturri
Fund Manager
RICHARD R. JANDRAIN III
- ------------------------------------------------------
Richard R. Jandrain III
Senior Managing Director of Fixed Income Securities
 
- ---------------
 
* Holdings are subject to change.
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-18
<PAGE>   195
                      THE ONE GROUP(R) INCOME EQUITY FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                       Since
                                                     Inception
                       1 Year    5 Year    10 Year   (7/2/87)
<S>                   <C>       <C>       <C>       <C>
  Fiduciary            23.18%    20.21%    16.29%     13.99%
</TABLE>
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT

                     Measurement Period
                   (Fiscal Year Covered)                          S&P 500          Fiduciary
<S>                                                           <C>               <C>
6/88                                                                     10000             10000
 
6/89                                                                     12055             11858
 
6/90                                                                     14044             13375
 
6/91                                                                     15082             14376
 
6/92                                                                     17104             16153
 
6/93                                                                     19436             18020
 
6/94                                                                     19709             18609
 
6/95                                                                     24847             22526
 
6/96                                                                     31307             28053
 
6/97                                                                     42170             36720
 
6/98                                                                     54889             45230
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A               22.91%      19.89%        17.43%
  Class A*              17.39%      18.79%        16.59%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                     Measurement Period
                   (Fiscal Year Covered)                          S&P 500           Class A*          Class A
<S>                                                           <C>               <C>               <C>
2/92                                                                     10000              9550             10000
 
6/92                                                                      9992              9625             10079
 
6/93                                                                     11354             10721             11226
 
6/94                                                                     11514             11037             11557
 
6/95                                                                     14515             13301             13961
 
6/96                                                                     18289             16569             17353
 
6/97                                                                     24635             21602             22625
 
6/98                                                                     32065             26558             27806
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                  21.97%        20.06%
  Class B**                17.97%        19.82%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                     Measurement Period
                   (Fiscal Year Covered)                          S&P 500          Class B**          Class B
<S>                                                           <C>               <C>               <C>
1/94                                                                     10000             10000             10000
 
6/94                                                                      9344              9663              9663
 
6/95                                                                     11779             11587             11587
 
6/96                                                                     14842             14300             14300
 
6/97                                                                     19992             18515             18515
 
6/98                                                                     26022             22387             22587
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                        Since
                                      Inception
                                      (11/4/97)
<S>                                 <C>            <C>
  Class C                               16.57%
  Class C**                             15.57%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                     Measurement Period
                   (Fiscal Year Covered)                          S&P 500          Class C**          Class C
<S>                                                           <C>               <C>               <C>
11/97                                                                    10000             10000             10000
 
6/98                                                                     11973             11556             11656
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
                                      V-19
<PAGE>   196
                      THE ONE GROUP(R) INCOME EQUITY FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance of the Income Equity Fund is measured against the S&P 500
Index, an unmanaged index generally representative of the performance of large
companies in the US stock market. Investors are unable to purchase the index
directly, although they can invest in the underlying securities. The performance
of the index does not reflect the deduction of expenses associated with a mutual
fund, such as investment management. By contrast, the performance of the fund
reflects the deduction of these value-added services as well as the deduction of
sales charges on Class A Shares and applicable contingent deferred sales charges
on Class B and Class C Shares.
 
                                      V-20
<PAGE>   197
 
                       THE ONE GROUP(R) EQUITY INDEX FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     For the year ended June 30, 1998, The One Group(R) Equity Index Fund
Fiduciary share class posted a total return of 29.73%. (For information on other
share classes and a performance comparison to the index, please see page 9.)
 
     As it is designed to do, the Fund offered a return that nearly matched that
of the S&P 500 Index, the unmanaged group of stocks the Fund seeks to track with
little or no excess risk. The S&P 500 Index returned 30.16% for the year. The
slight difference in returns between the Fund and the Index is due to fees and
transaction costs charged to the Fund but not to the Index.
 
WHAT CONTRIBUTED TO SUCH A STRONG RETURN?
 
     A strong economy, low inflation, declining interest rates and favorable
corporate earnings growth led to attractive stock market returns for yet another
year. Once again, large-capitalization growth companies, the type represented in
the S&P 500 Index, outperformed other types of U.S. stocks.
 
WHICH MARKET SECTORS OFFERED NOTABLE PERFORMANCE?
 
     The Fund offered exposure to 15 market sectors. Among those sectors, retail
and telephone utilities offered the strongest performance. The retail sector
benefited from lower costs on Asian imports, while telephone utilities advanced
due to acquisition activity.
 
     The weakest-performing sectors included technology, energy and industrial
commodities. The technology sector suffered somewhat from the economic and
market crisis that swept through Asia, while energy stocks declined due to lower
oil prices. In the industrial commodities sector (chemical, paper and metal
companies), stocks suffered from the sector's lack of pricing power.
 
WHAT WERE SOME OF THE STRONGEST AND WEAKEST STOCKS?*
 
     The Fund enjoyed outstanding performance from a handful of stocks,
including technology provider Unisys, up 270% for the fiscal year due to strong
earnings; computer manufacturer Dell Computer, up 216% on strong earnings; cable
television company Tele-Communications, up 159% and acquired by AT&T; financial
service provider Providian Financial, up 145% on strong earnings; and auto
manufacturer Ford Motor, up 55% due to strong earnings.
 
     Weak earnings contributed to poor performance from certain holdings,
including diversified mining company Freeport-McMoran Copper and Gold, down 51%
for the fiscal year; technology company Advanced Micro Devices, down 52%; and
technology provider Cabletron Systems, down 53%.
 
WHAT WERE THE FUND'S TOP 10 HOLDINGS?*
 
     Most of the Fund's top 10 holdings retained their spots during the past
year. The only changes to the group were the addition of Pfizer, 1.5% (health
care sector) and Wal-Mart, 1.5% (retail), which replaced Philip Morris (consumer
non-durables) and IBM (technology). The remaining top 10 included General
Electric, 3.2% (capital goods), Microsoft, 2.9% (technology), Coca-Cola, 2.3%
(consumer non-durables), Exxon, 1.9% (energy), Merck, 1.7% (health care), Intel,
1.4% (technology), Proctor & Gamble, 1.3% (consumer non-durables) and Royal
Dutch Petroleum, 1.3% (energy).
 
                                      V-21
<PAGE>   198
                       THE ONE GROUP(R) EQUITY INDEX FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
WHAT IS YOUR OUTLOOK FOR THE STOCK MARKET?
 
     The environment for stocks should remain favorable over the coming year. We
expect economic growth to continue, but at a slower pace. We also expect
interest rates and inflation to remain low. Corporate earnings and stock prices
should continue to grow, but earnings are likely to come under increasing
pressure. Nevertheless, it's important to remember that returns of the last few
years have been unusually strong, and they probably are not sustainable. We
expect to see stock returns revert to more "normal" levels.
 
/S/ RICHARD R. JANDRAIN III
- ------------------------------------------------------
Richard R. Jandrain III
Senior Managing Director of Equity Securities
- ---------------
 
* Holdings subject to change.
 
     Please refer to the prospectus and the accompanying financial statements
for more information about your Fund.
 
     The S&P 500 Index is an unmanaged group of stocks generally representative
of the performance of large U.S.-based companies. Investors cannot purchase the
index directly, but they can invest in the underlying securities.
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year       (7/2/91)
<S>                   <C>         <C>         <C>
  Fiduciary             29.73%      22.58%        19.64%
</TABLE>
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                                                        Class A                  Class A*                   S&P 500
<S>                                             <C>                       <C>                       <C>
Feb-92                                                   10000                      9550                     10000
 
Jun-92                                                    9992                      9595                      9992
 
Jun-93                                                   11354                     10818                     11354
 
Jun-94                                                   11514                     10879                     11514
 
Jun-95                                                   14515                     13644                     14515
 
Jun-96                                                   18289                     17075                     18289
 
Jun-97                                                   24635                     22869                     24635
 
Jun-98                                                   30976                     29574                     32066
</TABLE>
 
                                      V-22
<PAGE>   199
                       THE ONE GROUP(R) EQUITY INDEX FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A               29.33%      22.29%        19.44%
  Class A*              23.49%      21.17%        18.58%
 
<CAPTION>
 
<S>                    <C>
  Class A
  Class A*
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>
                                                        Class A                  Class A*                   S&P 500
<S>                                             <C>                       <C>                       <C>
Feb-92                                                   10000                      9550                     10000
 
Jun-92                                                    9992                      9595                      9992
 
Jun-93                                                   11354                     10818                     11354
 
Jun-94                                                   11514                     10879                     11514
 
Jun-95                                                   14515                     13644                     14515
 
Jun-96                                                   18289                     17075                     18289
 
Jun-97                                                   24635                     22869                     24635
 
Jun-98                                                   30976                     29574                     32066
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                  28.47%        22.74%
  Class B**                24.47%        22.51%
</TABLE>
 
** Reflects Applicable Contingent Deferred
   Sales Charge.
 
<TABLE>
<CAPTION>
                                                        Class B                  Class B**                  S&P 500
<S>                                             <C>                       <C>                       <C>
Jan-94                                                   10000                     10000                     10000
 
Jun-94                                                    9443                      9443                      9344
 
Jun-95                                                   11765                     11765                     11779
 
Jun-96                                                   14595                     14595                     14842
 
Jun-97                                                   19400                     19400                     19992
 
Jun-98                                                   24921                     24721                     26022
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                        Since
                                      Inception
                                      (11/4/97)
<S>                                 <C>            <C>
  Class C                               21.07%
  Class C**                             20.07%
</TABLE>
 
** Reflects Applicable Contingent Deferred
   Sales Charge.
 
<TABLE>
<CAPTION>
                                                        Class C                  Class C**                  S&P 500
<S>                                             <C>                       <C>                       <C>
Nov-97                                                   10000                     10000                     10000
 
Jun-98                                                   12106                     12006                     11973
</TABLE>
 
                                      V-23
<PAGE>   200
                       THE ONE GROUP(R) EQUITY INDEX FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Equity Index Fund is measured against the S&P 500
Index, an unmanaged index generally representative of the performance of large
companies in the US stock market. Investors are unable to purchase the index
directly, although they can invest in the underlying securities. The performance
of the index does not reflect the deduction of expenses associated with a mutual
fund, such as investment management. By contrast, the performance of the fund
reflects the deduction of these value-added services as well as the deduction of
sales charges on Class A Shares and applicable contingent deferred sales charges
on Class B and Class C Shares.
 
                                      V-24
<PAGE>   201
 
                       THE ONE GROUP(R) VALUE GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Value Growth Fund Fiduciary share class posted a total
return of 32.26% for the year ended June 30, 1998. (For information on other
share classes and performance comparisons to indexes, please see page 12.)
 
TO WHAT DO YOU ATTRIBUTE THE FUND'S SOLID RETURN?
 
     Domestic stocks of all styles enjoyed another strong year, as low
inflation, declining interest rates and better-than-expected corporate earnings
contributed to the gains.
 
     Rather than emphasizing particular market sectors or trying to time the
market's next moves, we research, evaluate and select stocks on an individual
basis to build a diversified portfolio. We don't consciously overweight a single
sector or a single style of stock. Instead, we invest in stocks from the four
major equity styles -- large capitalization growth, large capitalization value,
medium capitalization growth and medium capitalization value -- and look for
stocks that we believe offer the best return potential relative to their level
of risk.
 
     Over the past year, for example, we saw some vicious swings among sectors,
creating a momentum market that saw investors attempting to pick the "right"
sector at the right time. But, our emphasis on individual stock selection paid
off, as that process gave the Fund exposure to many different industries and
contributed to the Fund's strong return.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     The Fund owned more stocks than usual and was more diverse than usual in an
active attempt to be less exposed to any single momentum play. Momentum markets
tend to last longer than investors expect, and stocks that are not participating
tend to lose their value quickly.
 
     Events in Asia played an interesting role in the Fund's performance. After
the domino effect, which started in Thailand, hit U.S. shores in October 1997,
we avoided the stocks of companies that we thought would be most negatively
affected by the malaise -- namely, commodity cyclical companies. By steering
away from that group, the Fund became more growth-oriented than usual.
 
DID THE PORTFOLIO BENEFIT FROM ANY PARTICULARLY STRONG HOLDINGS?*
 
     Industry positions such as the pharmaceutical area of health care
(Schering-Plough, up 91% for the fiscal year, and Bristol-Myers Squibb, up 42%);
the software and PC areas of technology (Microsoft, up 71%; BMC Software, up
88%; Dell Computer, up 216%); and the long distance segment of
telecommunications (Century Telephone, up 104%; Sprint, up 35%) added to the
Fund's strong performance.
 
     The Fund also benefited from strong performance from Cisco Systems
(technology), up 106% for the year; Equitable Co. (financial services), up 125%;
Morgan Stanley Dean Witter (financial services), up 112%; Lucent Technologies
(technology), up 131%; and Energy East (utility), up 99%.
 
     At the same time, a few Fund holdings realized poor performance, namely
Callaway Golf (consumer services), down 45% for the year; Toys R Us (retail),
down 33%; BetzDearborn (raw materials), down 37%; Columbia/HCA Healthcare
(health care), down 26%; and Phycor (health care), down 52%.
 
                                      V-25
<PAGE>   202
                       THE ONE GROUP(R) VALUE GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND'S TOP 10 HOLDINGS CHANGE?*
 
     More than half of the Fund's top 10 holdings were among the leading
holdings one year ago: Microsoft, 3.3% (technology), General Electric, 2.9%
(capital goods), Exxon, 2.1% (energy), Wal-Mart, 1.8% (retail), Bristol Myers,
1.8% (health care) and Intel, 1.7% (technology). The remaining members of the
top 10 on June 30, 1998, included NationsBank, 1.8% (financial services), Cisco
Systems, 1.8%, Dell Computer, 1.7% and Coca-Cola, 1.5% (consumer non-durables).
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     We anticipate corporate earnings to revert to more normal levels, and we
believe volatility will continue. We plan to maintain the Fund's style diversity
in similar proportion as last year to address this market.
 
/s/ MICHAEL D. WEINER
- ------------------------------------------------------
Michael D. Weiner
Fund Manager
/s/ RICHARD R. JANDRAIN III
- ------------------------------------------------------
Richard R. Jandrain III
Senior Managing Director of Equity Securities
 
- ---------------
 
* Holdings are subject to change.
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-26
<PAGE>   203
                       THE ONE GROUP(R) VALUE GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (12/29/89)
<S>                   <C>         <C>         <C>
  Fiduciary             32.26%      19.63%        17.91%
 
</TABLE>
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                       Fiduciary                         S&P 1500
<S>                                                          <C>                              <C>
Dec-89                                                                   10000                            10000
 
Jun-90                                                                   10657                            10309
 
Jun-91                                                                   11631                            11072
 
Jun-92                                                                   13847                            12557
 
Jun-93                                                                   16554                            14268
 
Jun-94                                                                   16496                            14469
 
Jun-95                                                                   19198                            18241
 
Jun-96                                                                   23242                            22959
 
Jun-97                                                                   30673                            30524
 
Jun-98                                                                   40584                            39510
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (12/29/89)
<S>                   <C>         <C>         <C>
  Class A               31.96%      19.48%        17.82%
  Class A*              26.04%      18.38%        17.19%
 
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                       S&P 1500                  Class A*                   Class A
<S>                                             <C>                       <C>                       <C>
Dec-89                                                   10000                      9550                     10000
 
Jun-90                                                   10309                     10178                     10657
 
Jun-91                                                   11072                     11107                     11631
 
Jun-92                                                   12557                     13224                     13847
 
Jun-93                                                   14268                     15809                     16554
 
Jun-94                                                   14469                     15754                     16496
 
Jun-95                                                   18241                     18334                     19198
 
Jun-96                                                   22959                     22178                     23225
 
Jun-97                                                   30524                     29171                     30548
 
Jun-98                                                   39510                     38504                     40326
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year       (9/9/94)
<S>                      <C>         <C>            <C>
  Class B                  30.89%        23.28%
  Class B**                26.89%        22.84%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                        Class B                  Class B**                 S&P 1500
<S>                                             <C>                       <C>                       <C>
Sep-94                                                   10000                     10000                     10000
 
Jun-95                                                   10806                     10806                     12019
 
Jun-96                                                   12981                     12981                     15129
 
Jun-97                                                   16942                     16942                     20113
 
Jun-98                                                   22173                     21873                     26034
</TABLE>
 
                                      V-27
<PAGE>   204
                       THE ONE GROUP(R) VALUE GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                        Since
                                      Inception
                                      (11/4/97)
<S>                                 <C>            <C>
  Class C                               20.87%
  Class C**                             19.87%
</TABLE>
 
** Reflects Applicable Contingent Deferred
   Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                        Class C                  Class C**                 S&P 1500
<S>                                             <C>                       <C>                       <C>
Nov-97                                                   10000                     10000                     10000
Jun-98                                                   12087                     11987                     11858
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The above-quoted performance data includes the performance of the Paragon
Value Equity Income Fund for the period prior to the commencement of operations
of The One Group Value Growth Fund on March 26, 1996. Performance for the
Fiduciary Shares is based on Class A Share performance adjusted to reflect the
absence of sales charges.
 
     The performance of the Value Growth Fund is measured against the S&P 1500
Index, an unmanaged index generally representative of the performance of large
and small companies in the US stock market. Investors are unable to purchase the
index directly, although they can invest in the underlying securities. The
performance of the index does not reflect the deduction of expenses associated
with a mutual fund, such as investment management. By contrast, the performance
of the fund reflects the deduction of these value-added services as well as the
deduction of sales charges on Class A Shares and applicable contingent deferred
sales charges on Class B and Class C Shares.
 
     The S&P 1500 Index for all classes consists of the average monthly returns
of the S&P 500 Index from December 1989 through December 1994. Thereafter, the
data are from the S&P 1500 Index which corresponds with the initiation of the
S&P 1500 Index on January 1, 1995.
 
                                      V-28
<PAGE>   205
 
                    THE ONE GROUP(R) DISCIPLINED VALUE FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Disciplined Value Fund Fiduciary share class posted a
total return of 28.27% for the year ended June 30, 1998. (For information on
other share classes and performance comparisons to the index, please see page
18.)
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Interest rates ended the year lower, but experienced volatility throughout
the 12-month period. To avoid some of the stock price volatility associated with
interest rate swings, we maintained a diversified portfolio with exposure to a
variety of economic sectors. Within this framework, we emphasized in-depth
analysis and individual stock selection, and we continued to rebalance the
portfolio in order to improve structure and upgrade holdings as market
conditions changed.
 
     Because of the Fund's value orientation, we emphasized the sectors that
offered the greatest perceived value. As a result, almost half of the Fund's
assets were in the electric utility, financial, industrial, commodity and
banking sectors. These were the areas that contained the largest number of
equity securities with below-market-average price-to-earnings and price-to-book
ratios.
 
     Given the continued strength of the market, certain stocks reached their
target prices quicker than we had anticipated, prompting the sale of those
securities and the purchase of new ones. In addition, as certain stocks
increased in valuation, they became more growth-like and were no longer
appropriate for this value-oriented fund. For example, in the second half of
1997 prices on bank stocks soared, and the resulting valuations converted many
of these stocks to growth stocks. As a result, remaining sectors that were
relatively undervalued became more influential, and their weightings within the
Fund increased. Specifically, we increased the Fund's holdings within the
capital equipment, financial, industrial commodity and consumer durable sectors
to make up for the gap caused by the decline in bank holdings.
 
DID THE PORTFOLIO BENEFIT FROM ANY PARTICULARLY STRONG HOLDINGS?*
 
     Outstanding performance from several individual stocks during the fiscal
year was driven largely by takeovers. For example, in the technology sector
Qwest Communications acquired LCI International, in which the Fund had a large
exposure; National City Bank acquired First of America, a Fund holding; and
Williams Companies acquired the energy company Mapco, another Fund holding. In
addition, the Fund's holding of Century Telephone nearly doubled in value over
the year, as analysts projected superior earnings growth for the combined
Century Telephone/Pacific Telesis company. Indeed, the merged company
experienced revenue growth and margin expansion after joining forces, as it cut
costs and expanded its territory.
 
     Another merger, between cement manufacturers Southdown and Medusa, also
contributed to the Fund's solid return. But, price gains on these stocks
primarily were driven by excellent fundamentals within the industry. The
supply/demand equation favored the manufacturers, given the steadily increasing
demand for cement from the housing and infrastructure sectors, while the supply
of cement has been virtually unchanged in the last decade. In addition, U.S.
government restrictions on the amount of cement that can be imported helped the
U.S. manufacturers.
 
DID EVENTS IN ASIA INFLUENCE ANY OF THE FUND'S HOLDINGS?*
 
     On the downside, events in Asia caused certain Fund holdings to decline. As
Asian currency values plummeted, it appears Asian customers chose to curtail
their gaming excursions to the United States. As a result, the Fund's holdings
in Circus Circus and MGM declined for the fiscal year. In addition, CompUSA
 
                                      V-29
<PAGE>   206
                    THE ONE GROUP(R) DISCIPLINED VALUE FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
lost half of its value due to the unanticipated sharp declines in computer
prices. Lower demand from Asia contributed to the price declines, as did the
lack of new memory-consuming software applications, which prompted revenue
declines and margin contraction.
 
HOW DID THE FUND'S TOP 10 HOLDINGS CHANGE DURING THE FISCAL YEAR?*
 
     Only two of the Fund's top 10 holdings remained from last year -- CMS
Energy, 1.6% (utilities) and Southtrust Corp., 1.6% (financial services).
Rounding out the top 10 were utilities companies New Century Enterprises, 1.5%,
Allegheny Energy, 1.3%, Century Telephone, 1.5%, El Paso Natural Gas, 1.6% and
Teco Energy, 1.2%; financial companies Bear Stearns, 1.6% and Paine Webber,
1.2%; and Tyson Foods, 1.1%, a member of the consumer non-durable sector.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     Looking ahead, we plan to maintain our current strategy of broad sector
diversification, stringent in-house research and individual stock selection.
Within each sector, we will continue to look for the best values among medium
capitalization stocks, or those issues with low price/earnings and price/book
ratios.
 
/s/ EDMUND M. COWART
- ------------------------------------------------------
Edmund M. Cowart
Managing Director, Value Growth Team
/s/ RICHARD R. JANDRAIN III
- ------------------------------------------------------
Richard R. Jandrain III
Senior Managing Director of Equity Securities
 
- ---------------
 
* Holdings subject to change.
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-30
<PAGE>   207
                    THE ONE GROUP(R) DISCIPLINED VALUE FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year       (3/2/89)
<S>                   <C>         <C>         <C>
  Fiduciary             28.27%      17.52%        14.11%
 
</TABLE>
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                                                     S&P BARRA/Midcap
                                                                       Fiduciary                        400/Value
<S>                                                          <C>                              <C>
Mar-89                                                                   10000                            10000
 
Jun-89                                                                   10989                            10883
 
Jun-90                                                                   11372                            12677
 
Jun-91                                                                   11572                            13615
 
Jun-92                                                                   13451                            15441
 
Jun-93                                                                   15278                            17545
 
Jun-94                                                                   15895                            17792
 
Jun-95                                                                   18443                            22430
 
Jun-96                                                                   22150                            27627
 
Jun-97                                                                   26704                            34233
 
Jun-98                                                                   34253                            43366
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A               27.90%      17.27%        15.79%
  Class A*              22.13%      16.19%        14.96%
 
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                                                       S&P BARRA/Midcap
                                                        Class A                  Class A*                  400/Value
<S>                                             <C>                       <C>                       <C>
Feb-92                                                   10000                      9550                     10000
 
Jun-92                                                   10121                      9666                      9992
 
Jun-93                                                   11464                     10948                     11354
 
Jun-94                                                   11956                     11418                     11514
 
Jun-95                                                   13801                     13179                     14515
 
Jun-96                                                   16534                     15788                     17879
 
Jun-97                                                   19875                     18977                     22153
 
Jun-98                                                   25419                     24279                     28063
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            
  Class B                  26.97%        16.38%
  Class B**                22.97%        16.12%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                        Class B                  Class B**             S&P BARRA/Midcap
<S>                                             <C>                       <C>                       <C>
Jan-94                                                   10000                     10000                     10000
 
Jun-94                                                    9500                      9500                      9344
 
Jun-95                                                   10918                     10918                     11779
 
Jun-96                                                   12985                     12985                     14509
 
Jun-97                                                   15476                     15476                     17978
 
Jun-98                                                   19665                     19465                     22775
</TABLE>
 
                                      V-31
<PAGE>   208
                    THE ONE GROUP(R) DISCIPLINED VALUE FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Disciplined Value Fund is measured against the
S&P/BARRA Midcap 400 Value Index, an unmanaged index representing the
performance of the lowest price to book securities in the S&P Midcap 400 Index.
Investors are unable to purchase the index directly, although they can invest in
the underlying securities. The performance of the index does not reflect the
deduction of expenses associated with a mutual fund, such as investment
management. By contrast, the performance of the fund reflects the deduction of
these value-added services as well as the deduction of sales charges on Class A
Shares and applicable contingent deferred sales charges on Class B Shares.
 
     The S&P/BARRA Midcap 400 Value Index consists of the average monthly
returns of the S&P 500 Index for periods prior to June 1991. Thereafter, the
data are from the S&P/BARRA Midcap 400 Value Index which corresponds with the
initiation of the S&P/BARRA Midcap 400 Value Index on June 30, 1991.
 
                                      V-32
<PAGE>   209
 
                   THE ONE GROUP(R) LARGE COMPANY GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Large Company Growth Fund Fiduciary share class posted a
total return of 35.75% for the year ended June 30, 1998. (For information on
other share classes and performance comparisons to indexes, please see page 20.)
 
TO WHAT DO YOU ATTRIBUTE THE FUND'S SOLID RETURN?
 
     A strong domestic economy, low inflation and declining interest rates all
worked together to maintain a favorable equity environment. Once again, the
market favored the largest growth-oriented companies because of their earnings
reliability and stock liquidity.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Our primary investment strategy during this market climate has been to find
good companies within industries that are growing at a faster rate than the
economy. These are companies that we believe have the ability to exhibit
sustained growth at some multiple of their underlying industry growth rate. In
addition, we search for strong management teams and superior product
positioning.
 
     After evaluating the impact of the Asian crisis on the Fund's stocks, we
cut the portfolio's technology holdings because much of these companies' exports
went to Asia. We also increased our retail holdings, as many of these companies
purchase their materials from Asia and thus benefit from lower costs.
 
     This strategy worked well, because the technology sector, as a whole, has
underperformed the market, while the retail sector has outperformed.
 
DID THE PORTFOLIO BENEFIT FROM ANY PARTICULARLY STRONG HOLDINGS?*
 
     The Fund enjoyed outstanding performance from computer manufacturer Dell
Computer, up 216% for the fiscal year; software giant Microsoft, up 71% and
online service provider America Online, up 278%.
 
     On the other hand, there were a few disappointing performances from the
technology sector. For example, Applied Materials was off 17% and Oracle Corp.
declined 27%.
 
HOW DID THE FUND'S TOP 10 HOLDINGS CHANGE?*
 
     Most of the Fund's top 10 holdings remained unchanged during the year. The
only newcomers were Dell Computer, 2.6% (technology) and Lucent Technologies,
2.3% (technology). The remaining members included General Electric, 6.8%
(capital goods), Microsoft, 6.4% (technology), Coca-Cola, 4.3% (consumer
non-durable), Wal-Mart, 3.2% (retail), Merck, 3.0% (health care), Bristol-Myers
Squibb, 3.0% (health care), Pfizer, 2.9% (health care) and Proctor & Gamble,
2.6% (consumer non-durable).
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     Looking ahead, we remain optimistic about continued U.S. economic growth
and low inflation. We believe that interest rates may continue to decline, which
would support ongoing stock market growth, but perhaps not at the unusually
strong pace we've seen over the last several years. As such, it seems prudent to
lower our expectations somewhat for the next year.
 
                                      V-33
<PAGE>   210
                   THE ONE GROUP(R) LARGE COMPANY GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     Our overall strategy remains intact -- to search for companies with strong
fundamentals, effective management teams and favorable long-term outlooks.
Because the Asian situation remains unresolved, we will continue to monitor its
effects on the Fund's holdings.
 
/s/ ASHI PARIKH
- ------------------------------------------------------
Ashi Parikh
Managing Director, Growth Equity Team
/s/ RICHARD R. JANDRAIN III
- ------------------------------------------------------
Richard R. Jandrain III
Senior Managing Director of Equity Securities
 
- ---------------
 
* Holdings are subject to change.
 
     Please refer to the prospectus and the accompanying financial statements
for more information about your fund.
 
                                      V-34
<PAGE>   211
                   THE ONE GROUP(R) LARGE COMPANY GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/28/92)
<S>                   <C>         <C>         <C>
  Fiduciary             35.75%      22.79%        19.88%
 
</TABLE>
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                  S&P/BARRA 500 Growth                  Fiduciary
<S>                                                          <C>                              <C>
Feb-92                                                                   10000                            10000
 
Jun-92                                                                    9743                             9920
 
Jun-93                                                                   10550                            11301
 
Jun-94                                                                   10522                            12210
 
Jun-95                                                                   13755                            14878
 
Jun-96                                                                   17505                            17461
 
Jun-97                                                                   24215                            23243
 
Jun-98                                                                   32661                            31553
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (2/22/94)
<S>                      <C>         <C>            <C>
  Class A                  35.43%        23.70%
  Class A*                 29.33%        22.39%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                     S&P/BARRA 500
                                                        Growth                   Class A*                   Class A
<S>                                             <C>                       <C>                       <C>
Feb-94                                                   10000                      9550                     10000
 
Jun-94                                                    9530                      9453                      9898
 
Jun-95                                                   12458                     11486                     12028
 
Jun-96                                                   15854                     13420                     14054
 
Jun-97                                                   21931                     17790                     18631
 
Jun-98                                                   29581                     24085                     25230
</TABLE>
 
                                      V-35
<PAGE>   212
                   THE ONE GROUP(R) LARGE COMPANY GROWTH FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                  34.39%        22.49%
  Class B**                30.39%        22.26%
</TABLE>
 
** Reflects Applicable Contingent Deferred
  Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                     S&P/BARRA 500
                                                        Growth                   Class B**                  Class B
<S>                                             <C>                       <C>                       <C>
Jan-94                                                   10000                     10000                     10000
Jun-94                                                    9539                      9934                      9934
Jun-95                                                   12235                     11831                     11831
Jun-96                                                   15570                     13952                     13952
Jun-97                                                   21539                     18381                     18381
Jun-98                                                   29052                     24496                     24696
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                        Since
                                      Inception
                                      (11/4/97)
<S>                                 <C>            <C>
  Class C                               27.63%
  Class C**                             26.63%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.

 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                     S&P/BARRA 500
                                                        Growth                   Class C**                  Class C
<S>                                             <C>                       <C>                       <C>
Nov-97                                                   10000                     10000                     10000
 
Jun-98                                                   12458                     12663                     12763
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Large Company Growth Fund is measured against the
S&P/BARRA 500 Growth Index, an unmanaged index representing the performance of
the highest price to book securities in the S&P 500. Investors are unable to
purchase the index directly, although they can invest in the underlying
securities. The performance of the index does not reflect the deduction of
expenses associated with a mutual fund, such as investment management. By
contrast, the performance of the fund reflects the deduction of these
value-added services as well as the deduction of sales charges on Class A Shares
and applicable contingent deferred sales charges on Class B and Class C Shares.
 
                                      V-36
<PAGE>   213
 
                 THE ONE GROUP(R) LIMITED VOLATILITY BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     For the year ended June 30, 1998, The One Group(R) Limited Volatility Bond
Fund Fiduciary share class posted a total return of 6.59%. (For information on
other share classes and performance comparisons to indexes, please see page 5.)
 
HOW DID INTEREST RATES INFLUENCE PERFORMANCE?
 
     Interest rates among five-year securities (the area of the yield curve
where the Fund is most heavily invested) declined 0.91 percentage points during
the fiscal year. The Fund's Fiduciary share class 30-day SEC yield also
declined, dropping from 6.18% on June 30, 1997, to 5.75% on June 30, 1998.
 
     Because interest rates declined during the year, prices on most of the
Fund's bonds appreciated and, therefore, added to the Fund's total return. (Bond
prices and interest rates move inversely of each other. When rates fall, bond
prices rise, and vice versa.) The only exceptions were the few Asian bonds in
the Fund's portfolio, which declined in value when the Asian market crisis hit
in 1997.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     The Fund's strategy included investing in securities that offered
attractive yields within our maturity and high credit-quality guidelines. As
such, we continued to emphasize government agency mortgage pass-through
securities because they offered yield advantages over other government
securities. And, we focused on 15-year, current coupon issues because they are
less likely to be refinanced even if interest rates fall further. We also
invested in asset-backed securities and high-grade corporate bonds, which
provided an excellent combination of yield, total return and relative safety.
 
     With interest rates declining, we maintained the Fund's duration in a range
of 2.3 years to 2.5 years. (Duration is a measure of a fund's price sensitivity
to interest rate changes. A longer duration indicates greater sensitivity; a
shorter duration indicates less.) This, coupled with the Fund's emphasis on
yield, contributed to the Fund's solid return.
 
DID THE FUND'S OVERALL QUALITY CHANGE DURING THE YEAR?
 
     Because the majority of the Fund's assets always are invested in U.S.
government-related securities (69% of the portfolio at year-end), the Fund's
average quality remains high. On June 30, 1998, 80% of the Fund's securities
were rated AAA (the highest rating), 18% were rated A, and 2% were rated Baa,
giving the Fund an overall quality rating of AA.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     We expect positive economic growth to continue, but at a slower pace. This
should help keep inflation low for the near-term, which should perpetuate the
current interest-rate trading range and market status quo. In the corporate
sector, though, a potential negative influence is the steady slowdown in
corporate earnings growth, which could cause corporate yield spreads to widen.
(Corporate spreads refer to the difference in yield between corporate bonds and
comparable-maturity Treasury bonds. When spreads widen, prices on corporate
bonds decline, and vice versa.) We believe a strong offset to this, though, is
the healthy economy, which gives us reason not to abandon the corporate sector.
As a precaution, we will focus on corporate bonds with maturities of five years
or less.
 
/s/ ROGER CRAIG
- ------------------------------------------------------
Roger Craig
Fund Manager
/s/ GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of
Fixed-Income Securities
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-37
<PAGE>   214
                 THE ONE GROUP(R) LIMITED VOLATILITY BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year       (9/4/90)
<S>                   <C>         <C>         <C>
  Fiduciary              6.59%       5.41%        7.03%
 
</TABLE>
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT
                                                                                        Lipper Short US
                                                            Lehman Brothers 1-3         Government Bond
                                             Fiduciary     Year Government Index          Funds Index
 
<S>                                           <C>                   <C>                   <C>
Jun-98                                        17008                 16609                 16136

Jun-97                                        15957                 15554                 15153
 
Jun-96                                        14947                 14595                 14309
 
Jun-95                                        14218                 13837                 13604
 
Jun-94                                        13170                 12852                 12668
 
Jun-93                                        13066                 12659                 12515
 
Jun-92                                        12068                 11881                 11730
 
Jun-91                                        10799                 10768                 10710
 
Sep-90                                        10000                 10000                 10000
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A                6.32%       5.13%        5.86%
  Class A*               3.16%       4.49%        5.35%
 
</TABLE>
 
* Reflects 3.00% Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT
                                                                                     Lehman Brothers       Lipper Short US
                                                                                        1-3 Year           Government Bond
                                             Class A              Class A*         Government Index          Funds Index
 
<S>                                          <C>                   <C>                   <C>                   <C>
Jun-98                                        14368                 13935                 14375                 14134

Jun-97                                        13515                 13110                 13462                 13273
 
Jun-96                                        12694                 12314                 12632                 12534
 
Jun-95                                        12105                 11742                 11976                 11916
 
Jun-94                                        11243                 10906                 11123                 11096
 
Jun-93                                        11188                 10853                 10957                 10962
 
Jun-92                                        10356                 10045                 10284                 10274
 
Feb-92                                        10000                  9700                 10000                 10000
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                   5.98%        4.75%
  Class B**                 2.98%        4.75%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT

                                                                                     Lehman Brothers       Lipper Short US
                                                                                        1-3 Year           Government Bond
                                             Class B              Class B**        Government Index          Funds Index
 
<S>                                          <C>                   <C>                   <C>                   <C>
Jun-98                                        12297                 12297                 12780                 12578

Jun-97                                        11604                 11604                 11969                 11811
 
Jun-96                                        10974                 10974                 11231                 11153
 
Jun-95                                        10524                 10524                 10648                 10603
 
Jun-94                                         9819                  9819                  9889                  9874
 
Jan-94                                        10000                 10000                 10000                 10000
</TABLE>
 
                                      V-38
<PAGE>   215
                 THE ONE GROUP(R) LIMITED VOLATILITY BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Limited Volatility Bond Fund is measured against the
Lehman Brothers 1 to 3 Year Government Index, an unmanaged index comprised of US
Government and agency securities with maturities of one to three years.
Investors are unable to purchase the index directly, although they can invest in
the underlying securities. The performance of the index does not reflect the
deduction of expenses associated with a mutual fund, such as investment
management. By contrast, the performance of the fund reflects the deduction of
these value-added services as well as the deduction of sales charges on Class A
Shares and applicable contingent deferred sales charges on Class B Shares.
 
     The Lipper Short US Government Bond Funds Index consists of the equally
weighted average monthly return of the largest funds within the universe of all
funds in the category.
 
                                      V-39
<PAGE>   216
 
                    THE ONE GROUP(R) INTERMEDIATE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     The One Group(R) Intermediate Bond Fund Fiduciary share class offered a
total return of 8.71% for the year ended June 30, 1998. (For information on
other share classes and performance comparisons to indexes, please see page 7.)
 
HOW DID MARKET DEVELOPMENTS INFLUENCE PERFORMANCE?
 
     Throughout the year, three key trends developed in the bond market:
 
          1. Interest rates, in general, declined, resulting in gains for most
             bonds and an overall increase in the Fund's net asset value (NAV).
 
          2. Lower interest rates led to a rise in homeowner refinancing
             activity, which caused the performance on many higher-rate
             mortgage-backed bonds to suffer.
 
          3. Many foreign economies, especially those in Asia, fell into
             recession, and prices declined on many Yankee bonds (U.S.
             dollar-denominated foreign bonds) associated with these markets.
 
     Overall, the positive influence from the drop in interest rates had a
greater impact on the Fund's performance than the negative influence from
holding select mortgage and Yankee bonds.
 
     While the Fund enjoyed a solid total return and an approximately 2.0% gain
in NAV for the one year period, the declining interest rate environment pushed
the Fund's yield slightly lower-from 6.35% on June 30, 1997, to 5.90% on June
30, 1998.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     Once again, duration management remained a key strategy in generating
return and controlling risk. (Duration is a measure of a fund's price
sensitivity to interest rate changes. A longer duration indicates greater
sensitivity; a shorter duration indicates less.) We managed the Fund's duration
within a tight, shorter-than-market-average range during the year, which limited
some of the price gains that occurred mid-year when interest rates fell. While
we do manage the Fund's exposure to changes in interest rates, we also purposely
limit the degree to which we alter duration. We believe these risk-control
guidelines protect us from making ill-timed "bets" on the magnitude and
direction of possible interest rate movements.
 
     Nevertheless, the Fund's strong yield helped make up for the effects of our
shorter duration. Furthermore, the Fund's holdings in long-duration U.S.
Treasury and corporate bonds and select commercial mortgage-backed securities
helped overall performance during the year.
 
     Another key move during the Fund's fiscal year occurred in early 1998, when
we reduced the Fund's small exposure to Asian Yankee bonds, which deteriorated
along with many Asian economies. By fiscal year-end, the Fund held about 1.5% of
its assets in Asian-based Yankee bonds, all of which maintained investment-
grade quality ratings (rated BBB or better).
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     Our forecast calls for the U.S. economy to maintain its steady, albeit
slower, growth pattern over the next year. As a result, inflation should remain
tame and interest rates stable to lower.
 
     At the same time, the prospect for unfavorable developments has risen. For
example, the economy is operating at employment levels that typically lead to
increasing rates of inflation. This, however, is being offset by economic
recession in many Asian countries. While we remain optimistic, unexpected
changes in these or
 
                                      V-40
<PAGE>   217
                    THE ONE GROUP(R) INTERMEDIATE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
other important economic dynamics could lead to greater-than-expected volatility
in the U.S. financial markets.
 
/s/ JAMES A. SEXTON
- ------------------------------------------------------
James A. Sexton, CFA
Fund Manager
/s/ GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed-Income Securities
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-41
<PAGE>   218
                    THE ONE GROUP(R) INTERMEDIATE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/29/92)
<S>                   <C>         <C>         <C>
  Fiduciary              8.71%       6.08%        6.96%
 
</TABLE>
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT
                                                                Lehman Brothers
                                                                 Intermediate         Lipper Intermediate US
                                                             Government/Corporate        Government Bond
                                            Fiduciary            Bond Index                Funds Index
 
<S>                                           <C>                   <C>                       <C>
Jun-98                                        15310                 15394                     14959

Jun-97                                        14084                 14182                     13670
 
Jun-96                                        13080                 13228                     12786
 
Jun-95                                        12463                 12597                     12260
 
Jun-94                                        11315                 11413                     11162
 
Jun-93                                        11400                 11442                     11357
 
Jun-92                                        10300                 10355                     10307

Feb-92                                        10000                 10000                     10000
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (11/30/94)
<S>                      <C>         <C>            <C>
  Class A                   8.47%        8.66%
  Class A*                  3.58%        7.26%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>

                          VALUE OF $10,000 INVESTMENT
                                                                             Lehman Brothers
                                                                               Intermediate       Lipper Intermediate
                                                                           Government/Corporate      US Government
                                       Class A              Class A*          Bond Index            Bond Funds Index
 
<S>                                     <C>                   <C>                   <C>                    <C>
Jun-98                                  13462                 12850                 13441                  13431

Jun-97                                  12411                 11853                 12383                  12274
 
Jun-96                                  11556                 11036                 11550                  11480
 
Jun-95                                  11029                 10533                 10999                  10984
 
Nov-94                                  10000                  9550                 10000                  10000
</TABLE>
 
                                      V-42
<PAGE>   219

                    THE ONE GROUP(R) INTERMEDIATE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (11/30/94)
<S>                      <C>         <C>            <C>
  Class B                   7.78%        7.59%
  Class B**                 3.78%        6.90%
</TABLE>
 
** Reflects Applicable Contingent Deferred
  Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                                     Lehman Brothers
                                                                                       Intermediate       Lipper Intermediate
                                                                                   Government/Corporate      US Government
                                             Class B              Class B**             Bond Index         Bond Funds Index
<S>                                    <C>                   <C>                   <C>                    <C>
Nov-94                                        10000                 10000                 10000                  10000
Jun-95                                        10845                 10845                 10999                  10984
Jun-96                                        11290                 11290                 11550                  11480
Jun-97                                        12061                 12061                 12383                  12274
Jun-98                                        12999                 12699                 13441                  13431
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                        Since
                                      Inception
                                      (11/4/97)
<S>                                 <C>            <C>
  Class C                               8.20%
  Class C**                             7.20%
</TABLE>
 
** Reflects Applicable Contingent Deferred Sales Charge.
 

                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                                     Lehman Brothers
                                                                                       Intermediate       Lipper Intermediate
                                                                                   Government/Corporate      US Government
                                             Class C              Class C**         Bond Index            Bond Funds Index
<S>                                    <C>                   <C>                   <C>                    <C>
Jun-98                                        10819                 10719                 10430                  10455
 
Nov-97                                        10000                 10000                 10000                  10000
</TABLE>
 
                                      V-43
<PAGE>   220
                    THE ONE GROUP(R) INTERMEDIATE BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Intermediate Bond Fund is measured against the
Lehman Brothers Intermediate Government/Corporate Bond Index, an unmanaged index
comprised of US Government agency and Treasury securities and investment grade
corporate bonds. Investors are unable to purchase the index directly, although
they can invest in the underlying securities. The performance of the index does
not reflect the deduction of expenses associated with a mutual fund, such as
investment management. By contrast, the performance of the fund reflects the
deduction of these value-added services as well as the deduction of sales
charges on Class A Shares and applicable contingent deferred sales charges on
Class B and Class C Shares.
 
     The Lipper Intermediate US Government Bond Funds Index consists of the
equally weighted average monthly return of the largest funds within the universe
of all funds in the category.
 
                                      V-44
<PAGE>   221
 
                       THE ONE GROUP(R) INCOME BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
HOW DID THE FUND PERFORM?
 
     For the year ended June 30, 1998, The One Group(R) Income Bond Fund
Fiduciary share class posted a total return of 7.97%. (For information on other
share classes and performance comparisons to indexes, please see page 11.)
 
     In general, interest rates declined by approximately one percentage point
during the fiscal year. The Fund's Fiduciary share class 30-day SEC yield also
declined, dropping from 6.70% on June 30, 1997, to 6.13% on June 30, 1998.
 
WAS THERE A PARTICULAR TYPE OF SECURITY THAT AFFECTED PERFORMANCE?
 
     Even though the Fund's yield fell, it remained attractive due to the Fund's
emphasis on higher-yielding investment-grade securities. Included among those
securities are Yankee bonds (U.S. dollar-denominated foreign bonds), which
performed well and contributed greatly to the Fund's total return until the
fourth quarter of 1997. As the financial crisis overtook Asia, the value of the
Fund's Asian Yankee bonds declined rapidly and, at 10% of Fund assets, caused
significant underperformance. Once prices stabilized and began to improve, we
implemented a control strategy for these bonds, reducing them to only 1.5% of
Fund assets. This measured reduction caused the Fund's performance to return to
above-average.
 
WHAT WERE YOUR PRIMARY STRATEGIES AND TACTICS?
 
     The Fund's strategy is to try to maintain a relatively stable duration of
approximately 4.6 years and to enhance yield through a widely diversified
portfolio of corporate bonds and mortgage securities. (Duration is a measure of
a fund's price sensitivity to interest rate changes. A longer duration indicates
greater sensitivity; a shorter duration indicates less.) We purposely avoid
making significant changes to the Fund's duration, because we manage the Fund
primarily to maximize income, rather than to seek capital gains by making "bets"
on interest rate movements. We try to maintain a neutral duration and position
the Fund to earn a relatively good rate of interest income.
 
     This strategy has worked well, as the Fund has been able to generate
incremental returns without incurring additional interest rate risk. At the same
time, the strategy involves some exposure to credit risk, which, for short
periods of time, may adversely affect returns, as witnessed in late-1997. But,
over full interest rate and credit cycles, the strategy has proven successful to
date.
 
DID THE FUND'S OVERALL QUALITY CHANGE DURING THE YEAR?
 
     In April 1997, shareholders approved a measure that allows the Fund to
invest up to 30% of its assets in high-yield securities, or those rated BB or B.
As outlined at that time, the Fund's entry into this sector will be slow and
measured. Since then, we have added a 4% exposure to BB-rated bonds.
 
     The Fund maintained a good quality profile during the fiscal year, with 52%
of its assets invested in securities rated AAA; 5% in those rated AA; 16% in
A-rated; 23% in BBB-rated; and 4% in BB-rated. The Fund's overall quality rating
was A+ at the end of the year.
 
WHAT IS YOUR OUTLOOK FOR THE FUND?
 
     Moving forward, we expect economic growth to continue, but at a slower
pace. We also expect inflation to remain low for the near term. The bond market
environment is likely to be characterized as a "trading range," which is a
market that doesn't change much. In such a climate, higher-yielding securities
typically produce better results.
 
                                      V-45
<PAGE>   222
                       THE ONE GROUP(R) INCOME BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW -- CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
     In the corporate sector, a potential negative influence is the steady
decline in corporate earnings growth, which could cause corporate yield spreads
to widen. (Corporate spreads refer to the difference in yield between corporate
bonds and comparable-maturity Treasury bonds. When spreads widen, prices on
corporate bonds decline, and vice versa.) A strong offset to this, though, is
the healthy economy, which gives us reason not to abandon this sector. As a
precaution, we will focus on corporate bonds with maturities of five years or
less. In the mortgage market, most of the Fund's recent purchases have been
15-year, current coupon issues, which we believe are less likely to be
refinanced even if interest rates fall further.
 
/s/ ROGER CRAIG
- ------------------------------------------------------
Roger Craig
Fund Manager
/s/ GARY J. MADICH
- ------------------------------------------------------
Gary J. Madich, CFA
Senior Managing Director of Fixed-Income Securities
 
     Please refer to the prospectus and the accompanying financial statements
for further information about your Fund.
 
                                      V-46
<PAGE>   223
 
                       THE ONE GROUP(R) INCOME BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW, CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                       Since
                                                     Inception
                       1 Year    5 Year    10 Year   (7/2/87)
<S>                   <C>       <C>       <C>       <C>
  Fiduciary             7.97%     5.85%     7.63%      7.30%
 
</TABLE>
 
<TABLE>
<CAPTION>
                          VALUE OF $10,000 INVESTMENT
                                                                                         Lipper Intermediate
                                                                 Lehman Brothers        Investment Grade Bond
                                            Fiduciary          Aggregate Bond Index          Funds Index
 
<S>                                           <C>                   <C>                         <C>
Jun-98                                        20864                 23818                       21817

Jun-97                                        19324                 21547                       19901
 
Jun-96                                        17876                 19923                       18492
 
Jun-95                                        17086                 18972                       17634

Jun-94                                        15352                 16857                       15872
 
Jun-93                                        15701                 17079                       16087
 
Jun-92                                        14193                 15278                       14394
 
Jun-91                                        12467                 13397                       12632
 
Jun-90                                        11417                 12103                       11632
 
Jun-89                                        10732                 11222                       11005
 
Jun-88                                        10000                 10000                       10000
</TABLE>
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                                  Since
                                                Inception
                        1 Year      5 Year      (2/18/92)
<S>                   <C>         <C>         <C>
  Class A                7.82%       5.60%        6.64%
  Class A*               3.00%       4.63%        4.87%
</TABLE>
 
* Reflects 4.50% Sales Charge.
 
<TABLE>
<CAPTION>
                           VALUE OF $10,000 INVESTMENT
                                                                                     Lehman Brothers     Lipper Intermediate
                                                                                     Aggregate Bond       Investment Grade
                                             Class A              Class A*                Index           Bond Funds Index
<S>                                           <C>                    <C>                  <C>                   <C>
Feb-92                                        10000                  9550                 10000                 10000
 
Jun-92                                        10368                  9901                 10345                 10356
 
Jun-93                                        11464                 10948                 11564                 11574
 
Jun-94                                        11197                 10693                 11413                 11420
 
Jun-95                                        12418                 11859                 12845                 12688
 
Jun-96                                        12947                 12365                 13490                 13305
 
Jun-97                                        13964                 13335                 14589                 14319
 
Jun-98                                        15052                 14381                 16127                 15702
</TABLE>
 
                                      V-47
<PAGE>   224
                       THE ONE GROUP(R) INCOME BOND FUND
 
PORTFOLIO PERFORMANCE REVIEW, CONTINUED
- --------------------------------------------------------------------------------
THE ONE GROUP FAMILY OF MUTUAL FUNDS                               JUNE 30, 1998
 
          AVERAGE ANNUAL
 TOTAL RETURN AS OF JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                         Since
                                       Inception
                           1 Year      (1/14/94)
<S>                      <C>         <C>            <C>
  Class B                   7.13%        5.07%
  Class B**                 3.13%        4.70%
</TABLE>
 
** Reflects Applicable Contingent Deferred
  Sales Charge.
 
                          VALUE OF $10,000 INVESTMENT
<TABLE>
<CAPTION>
                                                                                     Lehman Brothers     Lipper Intermediate
                                                                                     Aggregate Bond       Investment Grade
                                             Class B              Class B**               Index           Bond Funds Index
<S>                                    <C>                   <C>                   <C>                   <C>
Jan-94                                        10000                 10000                 10000                 10000
Jun-94                                         9471                  9471                  9485                  9488
Jun-95                                        10478                 10478                 10675                 10542
Jun-96                                        10860                 10860                 11211                 11055
Jun-97                                        11637                 11637                 12124                 11897
Jun-98                                        12466                 12274                 13402                 13046
</TABLE>
 
     The performance data quoted represents past performance and is not an
indication of future results. Investment return and NAV will fluctuate so that
an investor's shares, when redeemed, may be worth more or less than the original
cost. The total return set forth may reflect the waiver of a portion of the
fund's fees for certain periods since the inception date, without the waiver,
total return would have been lower.
 
     The performance of the Income Bond Fund is measured against the Lehman
Brothers Aggregate Bond Index, an unmanaged index comprised of US Government,
mortgage, corporate and asset-backed securities. Investors are unable to
purchase the index directly, although they can invest in the underlying
securities. The performance of the index does not reflect the deduction of
expenses associated with a mutual fund, such as investment management. By
contrast, the performance of the fund reflects the deduction of these
value-added services as well as the deduction of sales charges on Class A Shares
and applicable contingent deferred sales charges on Class B Shares.
 
     The Lipper Intermediate Investment Grade Bond Funds Index consists of the
equally weighted average monthly return of the largest funds within the universe
of all funds in the category.
 
                                      V-48
<PAGE>   225
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG1    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Money Market Fund to the
   corresponding One Group Prime Money Market Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   226
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG2    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Treasury Money Market Fund
   to the corresponding One Group U.S. Treasury Securities
   Money Market Fund in exchange for Class A, Class B or
   Class I shares, as applicable, of the One Group Fund,
   (b) the distribution of such One Group Fund shares to
   the Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   227
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG3    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Municipal Money Market Fund
   to the corresponding One Group Municipal Money Market
   Fund in exchange for Class A or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   228
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG4    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Michigan Municipal Money
   Market Fund to the corresponding One Group Michigan
   Municipal Money Market Fund in exchange for Class A or
   Class I shares, as applicable, of the One Group Fund,
   (b) the distribution of such One Group Fund shares to
   the Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   229
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG5    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Cash Management Fund to the
   corresponding One Group Cash Management Money Market
   Fund in exchange for Class A or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   230
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG6    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Treasury Cash Management 
   Fund to the corresponding One Group Treasury Cash
   Management Money Market Fund in exchange for Class A
   or Class I shares, as applicable, of the One Group
   Fund, (b) the distribution of such One Group Fund
   shares to the Shareholders of the Pegasus Portfolio
   according to their respective interests, and (c) the
   termination of Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   231
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.

TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG7    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Treasury Prime Cash
   Management Fund to the corresponding One Group
   Treasury Prime Cash Management Money Market Fund in
   exchange for Class A or Class I shares, as applicable,
   of the One Group Fund, (b) the distribution of such
   One Group Fund shares to the Shareholders of the
   Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   232
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.

TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG8    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus U.S. Government Securities
   Cash Management Fund to the corresponding One Group
   U.S. Government Securities Cash Management Money
   Market Fund in exchange for Class A or Class I shares,
   as applicable, of the One Group Fund, (b) the
   distribution of such One Group Fund shares to the
   Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   233
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPEG9    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Municipal Cash Management
   Fund to the corresponding One Group Municipal Cash
   Management Money Market Fund in exchange for Class A
   or Class I shares, as applicable, of the One Group
   Fund, (b) the distribution of such One Group Fund
   shares to the Shareholders of the Pegasus Portfolio
   according to their respective interests, and (c) the
   termination of Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   234
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE10    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Managed Assets Conservative
   Fund to the corresponding One Group Investor Balanced
   Fund in exchange for Class A, Class B or Class I
   shares, as applicable, of the One Group Fund, (b) the
   distribution of such One Group Fund shares to the
   Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   235
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE11    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Managed Assets Balanced
   Fund to the corresponding One Group Investor Growth
   & Income Fund in exchange for Class A, Class B or
   Class I shares, as applicable, of the One Group Fund,
   (b) the distribution of such One Group Fund shares to
   the Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   236
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE12    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Managed Assets Growth Fund
   to the corresponding One Group Investor Growth Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   237
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE13    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Equity Income Fund to the
   corresponding One Group Income Equity Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   238
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE14    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Growth Fund to the
   corresponding One Group Large Company Growth Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   239
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE15    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Mid-Cap Opportunity Fund
   to the corresponding One Group Diversified Mid Cap Fund
   in exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   240
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE16    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Small-Cap Opportunity Fund
   to the corresponding One Group Small Cap Value Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   241
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE17    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Intrinsic Value Fund to
   the corresponding One Group Disciplined Value Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   242
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE18    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Growth and Value Fund to
   the corresponding One Group Value Growth Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   243
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE19    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Equity Index Fund to the
   corresponding One Group Equity Index Fund in exchange
   for Class A, Class B or Class I shares, as applicable,
   of the One Group Fund, (b) the distribution of such
   One Group Fund shares to the Shareholders of the
   Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   244
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE20    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus International Equity Fund
   to the corresponding One Group Diversified
   International Fund in exchange for Class A, Class B or
   Class I shares, as applicable, of the One Group Fund,
   (b) the distribution of such One Group Fund shares to
   the Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   245
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE21    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Bond Fund to the
   corresponding One Group Bond Fund in exchange for
   Class A, Class B or Class I shares, as applicable,
   of the One Group Fund, (b) the distribution of such
   One Group Fund shares to the Shareholders of the
   Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   246
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE22    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Short Bond Fund to the
   corresponding One Group Limited Volatility Bond Fund
   in exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   247
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE23    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Multi Sector Bond Fund to
   the corresponding One Group Income Bond Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   248
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE24    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Municipal Bond Fund to the
   corresponding One Group Tax-Free Bond Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   249
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE25    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Intermediate Municipal Bond
   Fund to the corresponding One Group Intermediate
   Tax-Free Bond Fund in exchange for Class A, Class B or
   Class I shares, as applicable, of the One Group Fund,
   (b) the distribution of such One Group Fund shares to
   the Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   250
EPGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE26    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Michigan Municipal Bond
   Fund to the corresponding One Group Michigan Municipal
   Bond Fund in exchange for Class A, Class B or Class I
   shares, as applicable, of the One Group Fund, (b) the
   distribution of such One Group Fund shares to the
   Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   251
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE27    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus High Yield Bond Fund to the
   corresponding One Group High Yield Bond Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   252
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE28    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Intermediate Bond Fund to
   the corresponding One Group Intermediate Bond Fund in
   exchange for Class A, Class B or Class I shares, as
   applicable, of the One Group Fund, (b) the distribution
   of such One Group Fund shares to the Shareholders of
   the Pegasus Portfolio according to their respective
   interests, and (c) the termination of Pegasus under
   state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   253
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE29    KEEP THIS PORTION FOR YOUR RECORDS
- --------------------------------------------------------------------------------
                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

- --------------------------------------------------------------------------------
FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Short Municipal Bond Fund
   to the corresponding One Group Short-Term Municipal
   Bond Fund in exchange for Class A, Class B or Class I
   shares, as applicable, of the One Group Fund, (b) the
   distribution of such One Group Fund shares to the
   Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
 ____________________________________      ____________________________________
|                            |       |    |                            |       |
|                            |       |    |                            |       |
|____________________________|_______|    |____________________________|_______|
                    
Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
- -------------------------------------------------------------------------------
<PAGE>   254
PEGASUS FUND
P.O. BOX 5142
WESTBOROUGH, MA 01518

                                 PEGASUS FUNDS
                                        
                                 FUND NAME HERE
                                 --------------

The undersigned hereby appoints Mark S. Redman and Alaina Metz and each of them,
attorneys and proxies of the undersigned each with the power of substitution and
resubstitution, to attend, vote and act for the undersigned at the Meeting of
Shareholders of the above-referenced Fund of the Pegasus Funds (the "Trust") to
be held at the offices of BISYS Fund Services, 3435 Stelzer Road, Columbus, Ohio
on March 17, 1999 at 10:00 a.m. (Eastern Time) and at any adjournment or
adjournments thereof, casting votes according to the number of shares of the
Fund which the undersigned may be entitled to vote with respect to the proposals
set forth below, in accordance with the specification indicated, if any, and
with all powers which the undersigned would possess if personally present,
hereby revoking any prior proxy to vote at such meeting, and hereby ratifying
and confirming all that said attorneys and proxies, or each of them, may
lawfully do by virtue hereof.

THE UNDERSIGNED HEREBY ACKNOWLEDGES RECEIPT OF THE NOTICE OF SPECIAL MEETING OF
SHAREHOLDERS OF THE FUNDS OF THE TRUST AND THE COMBINED PROSPECTUS/PROXY
STATEMENT DATED JANUARY 19, 1999.

THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES ON BEHALF OF THE
ABOVE-REFERENCED FUND OF THE TRUST. PLEASE MARK, SIGN, DATE AND RETURN THIS
PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE PAID ENVELOPE.

The tear-off proxy at the bottom of this form represents your voting power in
the future of your fund. We have grouped your proxy card(s) together for your
convenience and to reduce postage expenses. By voting now and returning your
proxy card(s), you will save your fund the expense of a costly second mailing.
               
The meeting date for your Fund is March 17, 1999, at the offices of BISYS Fund
Services, 3435 Stelzer Road, Columbus, Ohio. Please vote below, sign your proxy
card(s), and return in the postage-paid envelope included with this material.

Thank you for your prompt return of your proxy card(s).

                 PLEASE SIGN, DATE AND RETURN THE PROXY CARD(S)
                     PROMPTLY USING THE ENCLOSED ENVELOPE.
    
PLEASE SIGN BELOW EXACTLY AS YOUR NAME(S) APPEAR(S) HEREON. CORPORATE PROXIES
SHOULD BE SIGNED IN FULL CORPORATE NAME BY AN AUTHORIZED OFFICER. IF A
PARTNERSHIP, PLEASE SIGN IN PARTNERSHIP NAME BY AUTHORIZED PERSON. EACH JOINT
OWNER SHOULD SIGN PERSONALLY. WHEN SIGNING AS ATTORNEY OR EXECUTOR,
ADMINISTRATOR, TRUSTEE OR GUARDIAN, PLEASE GIVE FULL TITLE AS SUCH.


TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:
                                   BIPE30    KEEP THIS PORTION FOR YOUR RECORDS
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                                             DETACH AND RETURN THIS PORTION ONLY
              THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

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FUND'S NAME HERE

PLEASE VOTE BY FILLING IN THE APPROPRIATE BOX BELOW USING BLUE OR BLACK INK OR
DARK PENCIL. DO NOT USE RED INK. THIS PROXY IS SOLICITED BY THE BOARD OF
TRUSTEES OF THE TRUST ON BEHALF OF THE FUND. THE MEETING WILL BE HELD AT THE
OFFICES OF BISYS FUND SERVICES, 3435 STELZER ROAD, COLUMBUS, OHIO ON MARCH 17,
1999 AT 10:00 a.m. (EASTERN TIME). PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY
CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE.

THE PROXY WILL BE VOTED AS SPECIFIED BELOW WITH RESPECT TO THE ACTION TO BE
TAKEN ON THE FOLLOWING PROPOSALS. IN THE ABSENCE OF ANY SPECIFICATION, THIS
PROXY WILL BE VOTED IN FAVOR OF THE PROPOSALS.

VOTE ON PROPOSALS                                          FOR  AGAINST  ABSTAIN

1. To approve a Reorganization Agreement which provides    [ ]    [ ]      [ ]
   for (a) the transfer of all of the assets and
   liabilities of the Pegasus Market Expansion Index Fund
   to the corresponding One Group Market Expansion Index
   Fund in exchange for Class A, Class B or Class I
   shares, as applicable, of the One Group Fund, (b) the
   distribution of such One Group Fund shares to the
   Shareholders of the Pegasus Portfolio according to
   their respective interests, and (c) the termination of
   Pegasus under state law and the 1940 Act.

2. To transact such other business as may properly come    [ ]    [ ]      [ ]
   before the Special Meeting or any adjournment(s)
   thereof.                                                
   
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Signature (PLEASE SIGN         Date        Signature (Joint Owners)      Date
           WITHIN BOX)
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