LEGG MASON INCOME TRUST INC
497, 1997-12-31
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<PAGE>
TABLE OF CONTENTS
      Prospectus Highlights                                                    2
      Expenses                                                                 4
      Financial Highlights                                                     5
      Performance Information                                                  7
      Investment Objectives and Policies                                       8
      How You Can Invest in the Funds                                         20
      How Your Shareholder Account is Maintained                              21
      How You Can Redeem Your Primary Shares                                  22
      How Net Asset Value is Determined                                       24
      Dividends and Other Distributions                                       24
      Tax Treatment of Dividends and Other Distributions                      25
      Shareholder Services                                                    26
      The Corporation's Board of Directors, Manager and
        Investment Adviser                                                    27
      The Funds' Distributor                                                  28
      Description of the Corporation and its Shares                           29
      Appendix                                                                31

ADDRESSES

DISTRIBUTOR:
      Legg Mason Wood Walker, Inc.
      111 South Calvert Street
      P.O. Box 1476, Baltimore, MD 21203-1476
      410 (Bullet) 539 (Bullet) 0000    800 (Bullet) 822 (Bullet) 5544

TRANSFER AND SHAREHOLDER SERVICING AGENT:
      Boston Financial Data Services
      P.O. Box 953
      Boston, MA 02103

COUNSEL:
      Kirkpatrick & Lockhart LLP
      1800 Massachusetts Avenue, N.W.
      Washington, DC 20036-1800

INDEPENDENT ACCOUNTANTS:
      Coopers & Lybrand L.L.P.
      217 East Redwood Street, Baltimore, MD 21202

      NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS OR THE STATEMENT OF ADDITIONAL
INFORMATION IN CONNECTION WITH THE OFFERING MADE BY THE PROSPECTUS AND, IF GIVEN
OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING
BEEN AUTHORIZED BY ANY FUND OR ITS DISTRIBUTOR. THE PROSPECTUS DOES NOT
CONSTITUTE AN OFFERING BY ANY FUND OR BY THE PRINCIPAL UNDERWRITER IN ANY
JURISDICTION IN WHICH SUCH OFFERING MAY NOT LAWFULLY BE MADE.


LMF-025


                                   LEGG MASON
                                     INCOME
                                  TRUST, INC.


                            Government Intermediate
                                Investment Grade
                                   High Yield
                            Government Money Market



                                 Primary Shares



                              The Art of Investing



                                   Prospectus
                                  May 1, 1997
                           Revised: December 31, 1997



                            [LEGG MASON FUNDS LOGO]



<PAGE>
     LEGG MASON INCOME TRUST , INC. -- PRIMARY SHARES
          LEGG MASON U.S. GOVERNMENT INTERMEDIATE-TERM PORTFOLIO
          LEGG MASON INVESTMENT GRADE INCOME PORTFOLIO
          LEGG MASON HIGH YIELD PORTFOLIO
          LEGG MASON U.S. GOVERNMENT MONEY MARKET PORTFOLIO


         This Prospectus sets forth concisely the information about the
     funds that a prospective investor ought to know before investing. It
     should be read and retained for future reference. A Statement of
     Additional Information about the funds dated May 1, 1997 has been
     filed with the Securities and Exchange Commission ( "SEC") and, as
     amended or supplemented from time to time, is incorporated herein by
     reference. The Statement of Additional Information is available
     without charge upon request from the funds' distributor, Legg Mason
     Wood Walker, Incorporated ("Legg Mason") (address and telephone
     numbers listed below).

         LEGG MASON U.S. GOVERNMENT MONEY MARKET PORTFOLIO IS A MONEY
     MARKET FUND; LEGG MASON U.S. GOVERNMENT INTERMEDIATE-TERM PORTFOLIO,
     LEGG MASON INVESTMENT GRADE INCOME PORTFOLIO AND LEGG MASON HIGH YIELD
     PORTFOLIO ARE BOND FUNDS. A MAJORITY OF LEGG MASON HIGH YIELD
     PORTFOLIO'S TOTAL ASSETS WILL BE INVESTED IN LOWER-RATED, FIXED-INCOME
     SECURITIES (INCLUDING THOSE COMMONLY KNOWN AS "JUNK BONDS"). IN
     ADDITION TO OTHER RISKS, THESE BONDS ARE SUBJECT TO GREATER
     FLUCTUATIONS IN VALUE AND RISK OF LOSS OF INCOME AND PRINCIPAL DUE TO
     DEFAULT BY THE ISSUER THAN ARE HIGHER-RATED BONDS; THEREFORE,
     INVESTORS SHOULD CAREFULLY ASSESS THE RISKS ASSOCIATED WITH AN
     INVESTMENT IN THIS FUND.

         LEGG MASON U.S. GOVERNMENT MONEY MARKET PORTFOLIO ATTEMPTS TO
     STABILIZE THE VALUE OF ITS SHARES AT $1.00. AN INVESTMENT IN THIS FUND
     IS NEITHER INSURED NOR GUARANTEED BY THE U.S. GOVERNMENT. THERE CAN BE
     NO ASSURANCE THAT THIS FUND WILL ALWAYS BE ABLE TO MAINTAIN A STABLE
     NET ASSET VALUE OF $1.00 PER SHARE.

         MUTUAL FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR
     GUARANTEED OR ENDORSED BY, ANY BANK OR OTHER DEPOSITORY INSTITUTION.
     SHARES ARE NOT INSURED BY THE FDIC, THE FEDERAL RESERVE BOARD OR ANY
     OTHER AGENCY, AND ARE SUBJECT TO INVESTMENT RISK, INCLUDING THE
     POSSIBLE LOSS OF THE PRINCIPAL AMOUNT INVESTED.

    THESE SECURITIES 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
                     PROSPECTUS. ANY REPRESENTATION TO THE
                        CONTRARY IS A CRIMINAL OFFENSE.

                                   PROSPECTUS
                                  May 1, 1997
                           Revised: December 31, 1997



                          Legg Mason Wood Walker, Inc.
                            111 South Calvert Street
                                 P.O. Box 1476
                            Baltimore, MD 21203-1476
                         410 (Bullet) 539 (Bullet) 0000
                         800 (Bullet) 822 (Bullet) 5544

<PAGE>
     PROSPECTUS HIGHLIGHTS
          The following summary is qualified in its entirety by the more
      detailed information appearing in the body of this Prospectus and in the
      Statement of Additional Information.
          The Legg Mason Income Trust, Inc. ("Corporation") is a diversified
      open-end management investment company which currently has four
      portfolios: the Legg Mason U.S. Government Intermediate-Term Portfolio
      ("Government Intermediate"), the Legg Mason Investment Grade Income
      Portfolio ("Investment Grade"), the Legg Mason High Yield Portfolio ("High
      Yield") and the Legg Mason U.S. Government Money Market Portfolio
      ("Government Money Market") (each separately referred to as a "Fund" and
      collectively referred to as the "Funds").
          GOVERNMENT INTERMEDIATE is a professionally managed portfolio seeking
      to provide investors with high current income consistent with prudent
      investment risk and liquidity needs. In seeking to achieve the Fund's
      objective, the Corporation's investment adviser, Western Asset Management
      Company ("Adviser"), under normal circumstances, invests at least 75% of
      the Fund's total assets in obligations issued or guaranteed by the U.S.
      Government, its agencies or instrumentalities, or instruments secured by
      such securities. The Fund expects to maintain an average dollar-weighted
      maturity of between three and ten years.
          The Adviser believes that shares of the Fund may be appropriate both
      for direct investment and for investment by Individual Retirement Accounts
      and other qualified retirement plans. The value of the debt instruments
      held by the Fund, and thus the net asset value of Fund shares, generally
      fluctuate inversely with movements in market interest rates. Certain
      investment grade debt securities in which the Fund invests may have
      speculative characteristics. The Fund's participation in hedging and
      option income strategies also involves certain investment risks and
      transaction costs.
          INVESTMENT GRADE is a professionally managed portfolio seeking to
      provide investors with a high level of current income through investment
      in a diversified portfolio of debt securities. In seeking to achieve the
      Fund's objective, the Adviser, under normal circumstances, invests
      primarily in fixed-income securities which the Adviser considers to be of
      investment grade, i.e., securities rated within the four highest grades by
      Moody's Investors Service, Inc. ("Moody's") or Standard & Poor's ("S&P"),
      securities comparably rated by another nationally recognized statistical
      rating organization ("NRSRO"), or unrated securities judged by the Adviser
      to be of comparable quality.
          The Adviser believes that shares of the Fund may be appropriate both
      for direct investment and for investment in Individual Retirement Accounts
      and other qualified retirement plans.
          The value of the debt instruments held by the Fund, and thus the net
      asset value of Fund shares, generally fluctuate inversely with movements
      in market interest rates. Certain investment grade debt securities in
      which the Fund invests may have specualtive characteristics. The Fund may
      invest up to 25% of its total assets in debt securities rated below
      investment grade, commonly known as "junk bonds." Such securities are
      considered speculative and involve increased risk of exposure to adverse
      business and economic conditions. The Fund's participation in hedging and
      option income strategies also involves certain investment risks and
      transaction costs.
          HIGH YIELD is a professionally managed portfolio seeking to provide
      investors with a high level of current income. As a secondary objective,
      the Fund seeks capital appreciation. In seeking to achieve the Fund's
      objectives, the Adviser, under normal circumstances, invests at least 65%
      of the Fund's total assets in high yield, fixed-income securities
      (including those commonly known as "junk bonds"). Such securities are
      considered speculative and involve increased risk of exposure to adverse
      business and economic conditions. The value of debt instruments held by
      the Fund, and thus the net asset value of Fund shares, generally fluctuate
      inversely with movements in market interest rates.
          The Fund may invest up to 25% of its total assets in foreign
      securities. Investment in foreign securities entails certain additional
      risks, including risks arising from currency fluctuation, accounting
      systems and disclosure regulations that differ from those in the U.S., and
      political and economic changes in foreign countries. The Fund may have
2

<PAGE>
      limited recourse against a foreign governmental issuer in the event of a
      default. The Fund's participation in hedging and option income strategies
      also involves certain risks. See page 18.
          The Fund may invest up to 25% of its total assets in securities
      restricted as to their disposition, which may include securities for which
      the Fund believes there is a liquid market. No more than 15% of the Fund's
      net assets will be invested in securities deemed by the Fund to be
      illiquid.
          An investment in the Fund does not constitute a complete investment
      program and is not appropriate for persons unwilling or unable to assume a
      high degree of risk.
          GOVERNMENT MONEY MARKET is a professionally managed portfolio seeking
      to obtain high current income consistent with liquidity and conservation
      of principal. In seeking to achieve the Fund's objective, the Adviser
      invests the Fund's assets in debt obligations issued or guaranteed by the
      U.S. Government, its agencies or instrumentalities, and in repurchase
      agreements secured by such instruments.
          The Adviser believes that shares of the Fund may be appropriate both
      for direct investment and for investment through Individual Retirement
      Accounts and qualified retirement plans.
          Of course, there can be no assurance that any Fund will achieve its
      objective. See "Investment Objectives and Policies," page 8.
          Government Intermediate, Investment Grade and High Yield each offers
      two classes of shares -- Primary Class ("Primary Shares") and Navigator
      Class ("Navigator Shares"). Government Money Market offers only one class
      of shares.
          Primary Shares offered in this Prospectus are available to all
      investors except certain institutions (see page 5). No initial sales
      charge is payable on purchases, and no redemption charge is payable on
      sales of the Funds' shares. Each Fund pays management fees to its Manager,
      Legg Mason Fund Adviser, Inc. ("Manager"), and each Fund pays distribution
      fees with respect to Primary Shares to its Distributor, Legg Mason, as
      described on pages 27-28 of this Prospectus.
DISTRIBUTOR:
          Legg Mason Wood Walker, Incorporated
MANAGER AND ADVISER:
          Legg Mason Fund Adviser, Inc. serves as each Fund's manager, and
      Western Asset Management Company serves as investment adviser to each
      Fund.
INITIAL PURCHASE:
          $1,000 minimum, generally.
SUBSEQUENT PURCHASES:
          $100 minimum, generally, except for Government Money Market which has
      a $500 minimum, generally.
PURCHASE METHODS:
          Send bank/personal check or wire federal funds. See "How You Can
      Invest in the Funds," page 20.
PUBLIC OFFERING PRICE PER SHARE:
          Net asset value. Government Money Market seeks to maintain its net
      asset value at $1.00 per share.
CHECKWRITING:
          Available to qualified shareholders of Government Money Market upon
      request. Unlimited number of checks. Minimum amount per check: $500.
EXCHANGE PRIVILEGE:
          All funds in the Legg Mason Family of Funds. See "Exchange Privilege,"
      page 27.
DIVIDENDS:
          Declared daily and paid monthly for Government Intermediate,
      Investment Grade and Government Money Market. Declared and paid monthly
      for High Yield.
REINVESTMENT:
          All dividends and/or other distributions are automatically reinvested
      unless cash payments are requested.
                                                                               3

<PAGE>
     EXPENSES
          The purpose of the following table is to assist an investor in
      understanding the various costs and expenses that an investor in Primary
      Shares of a Fund will bear directly or indirectly. The expenses and fees
      set forth in the table are based on average net assets and annual Fund
      operating expenses related to Primary Shares for the year ended December
      31, 1996, adjusted for current expense and fee waiver levels.
<TABLE>
<CAPTION>
      ANNUAL FUND OPERATING EXPENSES -- PRIMARY SHARES
      (AS A PERCENTAGE OF AVERAGE NET ASSETS)
                                                                GOVERNMENT
                          GOVERNMENT       INVESTMENT   HIGH      MONEY
                         INTERMEDIATE(A)     GRADE(A)   YIELD     MARKET
                       ---------------------------------------------------
<S>                    <C>                 <C>          <C>     <C>
      Management fees
        (after fee
        waivers)              0.28%            0.14%    0.65%      0.50%
      12b-1 fees              0.50%            0.50%    0.50%      0.10%(B)
      Other expenses          0.20%            0.33%    0.20%      0.16%
                       ---------------------------------------------------
      Total operating
        expenses
        (after fee
        waivers)              0.98%            0.97%    1.35 %      0.76%(C)
                       ---------------------------------------------------
</TABLE>

      ---------------------
    (A) The Manager has agreed to continue to waive fees to the extent the
        expenses attributable to Primary Shares (exclusive of taxes, interest,
        brokerage and extraordinary expenses) exceed during any month an annual
        rate of 1.00% of average daily net assets attributable to Primary Shares
        for such month, until the earlier of May 1, 1998, or, with respect to
        Government Intermediate, until its net assets reach $400 million, and
        with respect to Investment Grade, until its net assets reach $150
        million, and unless extended will terminate on that date. If Government
        Intermediate's assets total $400 million before May 1, 1998, the Manager
        has agreed not to increase this "cap" by more than 10 basis points. The
        Manager does not anticipate that Government Intermediate's assets will
        total $400 million before May 1, 1998, although there can be no
        assurance that this will be the case. In the absence of such waivers,
        the expected management fees, 12b-1 fees, other expenses and total
        operating expenses would be as follows: for Government Intermediate:
        0.55%, 0.50%, 0.20% and 1.25%; and for Investment Grade, 0.60%, 0.50%,
        0.33% and 1.43%.
    (B) Effective January 10, 1997, Government Money Market began compensating
        Legg Mason for distribution costs and services. The fee shown reflects
        determination by Legg Mason to request payment of, and determination by
        the Board to pay, less than the full amount of the authorized 12b-1 fee.
        If the full amount of the fee was paid, 12b-1 fees would be 0.20% and
        total operating expenses would be 0.86%.
    (C) The expense information in the table has been restated to reflect
        current fees.

          Because each Fund pays a 12b-1 fee with respect to Primary Shares,
      long-term shareholders in Primary Shares may pay more in distribution
      expenses than the economic equivalent of the maximum front-end sales
      charge permitted by the National Association of Securities Dealers, Inc.
      ("NASD"). For further information concerning the Funds' expenses, see "The
      Corporation's Board of Directors, Manager and Investment Adviser," page 27
      and "The Funds' Distributor," page 28.
      EXAMPLE
          The following example illustrates the expenses that you would pay on a
      $1,000 investment in Primary Shares over various time periods assuming (1)
      a 5% annual rate of return and (2) full redemption at the end of each time
      period. The Funds charge no redemption fees of any kind.
<TABLE>
<CAPTION>
                                                    GOVERNMENT
           GOVERNMENT      INVESTMENT     HIGH        MONEY
          INTERMEDIATE       GRADE        YIELD       MARKET
          ----------------------------------------------------
<S>       <C>              <C>            <C>       <C>
1 Year        $ 10            $ 10        $ 14        $ 8
3 Years       $ 31            $ 31        $ 43        $24
5 Years       $ 54            $ 54        $ 74        $42
10 Years      $120            $119        $162        $94
</TABLE>

          This example assumes that all dividends and other distributions are
      reinvested and that the percentage amounts listed under "Annual Fund
      Operating Expenses" remain the same over the time periods shown. The above
      tables and the assumption in the example of a 5% annual return are
      required by regulations of the SEC applicable to all mutual funds. THE
      ASSUMED 5% ANNUAL RETURN IS NOT A PREDICTION OF, AND DOES NOT REPRESENT,
      THE PROJECTED OR ACTUAL PERFORMANCE OF PRIMARY SHARES OF THE FUNDS. THE
      ABOVE TABLES AND EXAMPLE SHOULD NOT BE CONSIDERED REPRESENTATIONS OF PAST
      OR FUTURE EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE
      SHOWN. The actual expenses attributable to Primary Shares will depend
      upon, among other things, the level of average net assets, the levels of
      sales and redemptions of shares, the extent to which the Manager and/or
      Legg Mason waive their fees and the extent to which Primary Shares incur
      variable expenses, such as transfer agency costs.
4

<PAGE>
     FINANCIAL HIGHLIGHTS
         Government Intermediate, Investment Grade and High Yield each offers
     two classes of shares, Primary Shares and Navigator Shares. Government
     Money Market offers only one class of shares. Navigator Shares are
     currently offered for sale only to institutional clients of the Fairfield
     Group, Inc. ("Fairfield") for investment of their own monies and monies for
     which they act in a fiduciary capacity, to clients of Legg Mason Trust
     Company ("Trust Company") for which Trust Company exercises discretionary
     investment management responsibility, to qualified retirement plans managed
     on a discretionary basis and having net assets of at least $200 million, to
     clients of Bartlett & Co. ("Bartlett") who, as of December 19, 1996, were
     shareholders of Bartlett Short Term Bond Fund or Bartlett Fixed Income Fund
     and for whom Bartlett acts as an ERISA fiduciary, and to The Legg Mason
     Profit Sharing Plan and Trust. Navigator Shares pay no 12b-1 distribution
     fees and may pay lower transfer agency fees. The information for Primary
     Shares reflects the 12b-1 fees paid by that Class.
         The financial information in the table that follows has been audited by
     Coopers & Lybrand L.L.P., independent accountants. Each Fund's financial
     statements for the year ended December 31, 1996 and the report of Coopers &
     Lybrand L.L.P. thereon are included in the Corporation's Annual Report to
     Shareholders and are incorporated by reference in the Statement of
     Additional Information. The annual report is available to shareholders
     without charge by calling your Legg Mason or affiliated financial advisor
     or Legg Mason's Funds Marketing Department at 800-822-5544.
<TABLE>
<CAPTION>
                                             Investment Operations                         Distributions From:
                                     --------------------------------------  ------------------------------------------------
                                                  Net Realized
                                                 and Unrealized                                                    In Excess
                          Net Asset     Net      Gain (Loss) on    Total                 In Excess       Net        of Net
                           Value,    Investment   Investments,      From        Net        of Net     Realized     Realized
                          Beginning    Income       Options      Investment  Investment  Investment    Gain on      Gain on
                           of Year     (Loss)     and Futures    Operations    Income      Income    Investments  Investments
- -----------------------------------------------------------------------------------------------------------------------------
<S>                       <C>        <C>         <C>             <C>         <C>         <C>         <C>          <C>
U.S. GOVERNMENT INTERMEDIATE-TERM PORTFOLIO
       -- Primary Class
      Years Ended Dec. 31,
      1996                 $ 10.47     $  .61(A)     $ (.16)       $  .45      $ (.60)     $ (.01)      $  --        $  --
      1995                    9.72        .57(A)        .75          1.32        (.57)         --          --           --
      1994                   10.43        .51(A)       (.71)         (.20)       (.51)         --          --           --
      1993                   10.70        .53(A)        .17           .70        (.53)         --        (.39)        (.05)
      1992                   10.77        .60(A)        .05           .65        (.60)         --        (.12)          --
      1991                   10.29        .72(A)        .70          1.42        (.72)         --        (.22)          --
      1990                   10.20        .78(A)        .09           .87        (.78)         --          --           --
      1989                    9.79        .80(A)        .41          1.21        (.80)         --          --           --
      1988                    9.92        .74(A)       (.12)          .62        (.74)         --        (.01)          --
      Aug. 7(H)- Dec. 31,
      1987                   10.00        .30(A)       (.08)          .22        (.30)         --          --           --
       -- Navigator Class
      Years Ended Dec. 31,
      1996                 $ 10.47     $  .67(B)     $ (.16)       $  .51      $ (.66)     $ (.01)      $  --        $  --
      1995                    9.72        .62(B)        .75          1.37        (.62)         --          --           --
      Dec. 1(C)- 31, 1994     9.72        .05(B)         --           .05        (.05)         --          --           --
INVESTMENT GRADE INCOME PORTFOLIO
       -- Primary Class
      Years Ended Dec. 31,
      1996                 $ 10.44     $  .64(F)     $ (.22)       $  .42      $ (.64)     $   --       $  --        $  --
      1995                    9.27        .65(F)       1.17          1.82        (.65)         --          --           --
      1994                   10.40        .60(F)      (1.09)         (.49)       (.60)         --        (.04)          --
      1993                   10.71        .62(F)        .33           .95        (.62)         --        (.63)        (.01)
      1992                   10.71        .66(F)        .25           .91        (.66)         --        (.25)          --
      1991                    9.97        .76(F)        .77          1.53        (.76)         --        (.03)          --
      1990                   10.29        .84(F)       (.28)          .56        (.84)         --        (.04)          --
      1989                    9.88        .82(F)        .41          1.23        (.82)         --          --           --
      1988                    9.94        .78(F)       (.035)         .745       (.78)         --        (.025)         --
      Aug. 7(H)- Dec. 31,
      1987                   10.00        .31(F)       (.06)          .25        (.31)         --          --           --
       -- Navigator Class
      Years Ended Dec. 31,
       1996                $ 10.44     $  .70(G)     $ (.22)       $  .48      $ (.70)     $   --       $  --        $  --
      Dec. 1(C)- 31, 1995    10.32        .03(G)        .12           .15        (.03)         --          --           --

<CAPTION>
                                                                        Ratios/Supplemental Data
                                                     ---------------------------------------------------------------
                                                                                Net
                                          Net Asset                         Investment                 Net Assets,
                                           Value,              Expenses    Income (Loss)   Portfolio      End of
                               Total       End of    Total    to Average    to Average     Turnover        Year
                           Distributions    Year     Return   Net Assets    Net Assets       Rate     (in thousands)
- ---------------------------------------------------------------------------------------------------------------------
<S>                       <C>             <C>        <C>      <C>          <C>             <C>        <C>
U.S. GOVERNMENT INTERMEDIATE-TERM PORTFOLIO
       -- Primary Class
      Years Ended Dec. 31,
      1996                    $  (.61)     $ 10.31     4.47%       .98%(A)      5.91%(A)      354%       $293,846
      1995                       (.57)       10.47    13.88%       .93%(A)      5.59%(A)      290%        231,886
      1994                       (.51)        9.72    (1.93)%      .90%(A)      5.11%(A)      316%        231,255
      1993                       (.97)       10.43     6.64%       .90%(A)      4.84%(A)      490%        299,529
      1992                       (.72)       10.70     6.26%       .87%(A)      5.54%(A)      513%        307,320
      1991                       (.94)       10.77    14.40%       .80%(A)      6.70%(A)      643%        211,627
      1990                       (.78)       10.29     9.10%       .60%(A)      7.70%(A)       67%         74,423
      1989                       (.80)       10.20    12.80%       .80%(A)      7.90%(A)       57%         43,051
      1988                       (.75)        9.79     6.40%      1.00%(A)      7.40%(A)      133%         27,087
      Aug. 7(H)- Dec. 31,
      1987                       (.30)        9.92     2.20%(D)   1.00%(A,E)    7.40%(A,E)     66%(E)      16,617
       -- Navigator Class
      Years Ended Dec. 31,
      1996                    $  (.67)     $ 10.31     5.09%       .42%(B)      6.47%(B)      354%       $  8,082
      1995                       (.62)       10.47    14.45%       .44%(B)      6.08%(B)      290%          4,184
      Dec. 1(C)- 31, 1994        (.05)        9.72      .50%(D)    .40%(B,E)    6.44%(B,E)    316%(E)       4,024
INVESTMENT GRADE INCOME PORTFOLIO
       -- Primary Class
      Years Ended Dec. 31,
      1996                    $  (.64)     $ 10.22     4.31%       .97%(F)      6.42%(F)      383%       $ 91,928
      1995                       (.65)       10.44    20.14%       .88%(F)      6.49%(F)      221%         85,633
      1994                       (.64)        9.27    (4.82)%      .85%(F)      6.09%(F)      200%         66,196
      1993                      (1.26)       10.40    11.22%       .85%(F)      5.62%(F)      348%         68,781
      1992                       (.91)       10.71     6.77%       .85%(F)      6.11%(F)      317%         48,033
      1991                       (.79)       10.71    16.00%       .71%(F)      7.30%(F)      213%         36,498
      1990                       (.88)        9.97     5.80%       .50%(F)      8.30%(F)       55%         22,994
      1989                       (.82)       10.29    13.00%       .82%(F)      8.10%(F)       92%         13,891
      1988                       (.805)       9.88     7.70%      1.00%(F)      7.70%(F)      146%          9,913
      Aug. 7(H)- Dec. 31,
      1987                       (.31)        9.94     2.60%(D)   1.00%(F,E)    7.80%(F,E)     72%(E)       5,661
       -- Navigator Class
      Years Ended Dec. 31,
       1996                   $  (.70)     $ 10.22     4.88%       .41%(G)      6.99%(G)      383%       $    243
      Dec. 1(C)- 31, 1995        (.03)       10.44     1.42%(D)    .40%(G,E)    6.73%(G,E)    221%(E)         249
</TABLE>
                                                                               5

<PAGE>

<TABLE>
<CAPTION>
                                             Investment Operations                         Distributions From:
                                     --------------------------------------  ------------------------------------------------
                                                  Net Realized
                                                 and Unrealized                                                    In Excess
                          Net Asset     Net      Gain (Loss) on    Total                 In Excess       Net        of Net
                           Value,    Investment   Investments,      From        Net        of Net     Realized     Realized
                          Beginning    Income       Options      Investment  Investment  Investment    Gain on      Gain on
                           of Year     (Loss)     and Futures    Operations    Income      Income    Investments  Investments
- -----------------------------------------------------------------------------------------------------------------------------
<S>                       <C>        <C>         <C>             <C>         <C>         <C>         <C>          <C>
HIGH YIELD PORTFOLIO
      Years Ended Dec. 31,
      1996                 $ 14.62     $ 1.33        $  .76        $ 2.09      $(1.34)     $   --       $  --        $  --
      1995                   13.57       1.29          1.05          2.34       (1.29)         --          --           --
      Feb. 1(H)- Dec. 31,
      1994                   15.00       1.02         (1.44)         (.42)      (1.01)         --          --           --
U.S. GOVERNMENT MONEY MARKET PORTFOLIO
      Years Ended Dec. 31,
      1996                 $  1.00     $  .05        $  Nil        $  .05      $ (.05)     $   --       $  --        $  --
      1995                    1.00        .05           Nil           .05        (.05)         --          --           --
      1994                    1.00        .04          (Nil)          .04        (.04)         --          --           --
      1993                    1.00        .03            --           .03        (.03)         --          --           --
      1992                    1.00        .03            --           .03        (.03)         --          --           --
      1991                    1.00        .05           Nil           .05        (.05)         --        (Nil)          --
      1990                    1.00        .07            --           .07        (.07)         --          --           --
      Jan. 31(H)- Dec. 31,
      1989                    1.00        .08(I)         --           .08        (.08)         --          --           --
- -----------------------------------------------------------------------------------------------------------------------------

<CAPTION>
                                                                        Ratios/Supplemental Data
                                                     ---------------------------------------------------------------
                                                                                Net
                                          Net Asset                         Investment                 Net Assets,
                                           Value,              Expenses    Income (Loss)   Portfolio      End of
                               Total       End of    Total    to Average    to Average     Turnover        Year
                           Distributions    Year     Return   Net Assets    Net Assets       Rate     (in thousands)
- --------------------------------------------------------------------------------------------------------------------
<S>                        <C>            <C>        <C>      <C>          <C>             <C>        <C>
HIGH YIELD PORTFOLIO
      Years Ended Dec. 31,
      1996                    $ (1.34)     $ 15.37    14.91%      1.35%         9.05%          77%       $234,108
      1995                      (1.29)       14.62    18.01%      1.47%         9.28%          47%        108,417
      Feb. 1(H)- Dec. 31,
      1994                      (1.01)       13.57    (2.90)%(D)  1.6%(E)       8.4%(E)        67%(E)      53,424
U.S. GOVERNMENT MONEY MARKET PORTFOLIO
      Years Ended Dec. 31,
      1996                    $  (.05)     $  1.00     4.81%       .66%         4.71%          --        $325,210
      1995                       (.05)        1.00     5.31%       .67%         5.17%          --         316,646
      1994                       (.04)        1.00     3.66%       .69%         3.66%          --         214,576
      1993                       (.03)        1.00     2.80%       .71%         2.76%          --         172,533
      1992                       (.03)        1.00     3.49%       .73%         3.45%          --         170,910
      1991                       (.05)        1.00     5.87%       .73%         5.36%          --         180,733
      1990                       (.07)        1.00     7.56%       .81%         7.29%          --         132,408
      Jan. 31(H)- Dec. 31,
      1989                       (.08)        1.00     8.68%       .80%(E,I)    8.35%(E,I)     --          87,958
- -------------------------
   (A) NET OF FEES WAIVED BY THE MANAGER FOR EXPENSES IN EXCESS OF VOLUNTARY
       LIMITATIONS OF: 1.0% UNTIL SEPTEMBER 10, 1989; 0.5% UNTIL MARCH 30, 1990;
       0.6% UNTIL DECEMBER 31, 1990; 0.75% UNTIL APRIL 30, 1991; 0.8% UNTIL
       DECEMBER 31, 1991; 0.85% UNTIL AUGUST 31, 1992; 0.9% UNTIL APRIL 30,
       1995; 0.95% UNTIL APRIL 30, 1996; AND 1.00% UNTIL DECEMBER 31, 1997.
   (B) NET OF FEES WAIVED BY THE MANAGER FOR EXPENSES IN EXCESS OF VOLUNTARY
       LIMITATIONS OF: 0.4% UNTIL APRIL 30, 1995; 0.45% UNTIL APRIL 30, 1996;
       AND 0.50% UNTIL DECEMBER 31, 1997.
   (C) COMMENCEMENT OF SALE OF NAVIGATOR SHARES.
   (D) NOT ANNUALIZED.
   (E) ANNUALIZED
   (F) NET OF FEES WAIVED AND REIMBURSEMENTS MADE BY THE MANAGER FOR EXPENSES IN
       EXCESS OF VOLUNTARY LIMITATIONS AS FOLLOWS: 1.0% UNTIL SEPTEMBER 10,
       1989; 0.5% UNTIL DECEMBER 31, 1990; 0.65% UNTIL APRIL 30, 1991; 0.7%
       UNTIL OCTOBER 31, 1991; 0.8% UNTIL DECEMBER 31, 1991; 0.85% UNTIL APRIL
       30, 1995; 0.9% UNTIL APRIL 30, 1996; AND 1.0% UNTIL DECEMBER 31, 1997.
   (G) NET OF FEES WAIVED BY THE MANAGER FOR EXPENSES IN EXCESS OF VOLUNTARY
       EXPENSE LIMITATIONS OF 0.4% UNTIL APRIL 30, 1996 AND 0.5% UNTIL DECEMBER
       31, 1997.
   (H) COMMENCEMENT OF OPERATIONS.
   (I) NET OF FEES WAIVED BY THE MANAGER FOR EXPENSES IN EXCESS OF THE FOLLOWING
       ANNUAL RATES: 0.5% UNTIL MARCH 28, 1989; 0.75% UNTIL JUNE 30, 1989; AND
       0.85% UNTIL DECEMBER 31, 1989.
6

<PAGE>
     PERFORMANCE INFORMATION
          From time to time each bond fund may quote the TOTAL RETURN of each
      class of shares in advertisements or in reports or other communications to
      shareholders. A mutual fund's total return is a measurement of the overall
      change in value, including changes in share price and assuming
      reinvestment of dividends and capital gain distributions, of an investment
      in the fund. CUMULATIVE TOTAL RETURN shows the fund's performance over a
      specific period of time. AVERAGE ANNUAL TOTAL RETURN is the average annual
      compounded return that would have produced the same cumulative total
      return if the fund's performance had been constant over the entire period.
      Performance figures reflect past performance only and are not intended to
      indicate future performance. Average annual returns tend to smooth out
      variations in the fund's return, so they differ from actual year-by-year
      results.
          Total returns as of December 31, 1996 were as follows:

</TABLE>
<TABLE>
<CAPTION>
      CUMULATIVE TOTAL       GOVERNMENT   INVESTMENT      HIGH
      RETURN                INTERMEDIATE    GRADE        YIELD
- -------------------------------------------------------------------
<S>                         <C>           <C>            <C>
      Primary Class:
        One Year                 +4.47%       +4.31%     +14.91%
        Five Years              +32.22%      +41.65%        N/A
        Life of Class          +102.34%(A)  +116.89%(A)  +31.69%(B)
      Navigator Class:
        One Year                 +5.09%       +4.88%        N/A
        Life of Class           +20.88%(C)    +6.38%(D)     N/A
</TABLE>

<TABLE>
<CAPTION>
      AVERAGE ANNUAL
        TOTAL RETURN
- --------------------------------------------------------------------
<S>                          <C>           <C>           <C>
      Primary Class:
        One Year                 +4.47%       +4.31%     +14.91%
        Five Years               +5.74%       +7.21%        N/A
        Life of Class            +7.78%(A)    +8.58%(A)   +9.89%(B)
      Navigator Class:
        One Year                 +5.09%       +4.88%        N/A
        Life of Class            +9.52%(C)    +6.13%(D)     N/A
</TABLE>

    ---------------------
    (A) Inception of Government Intermediate and Investment Grade -- August 7,
        1987.
    (B) Inception of High Yield -- February 1, 1994.
    (C) For the period December 1, 1994 (commencement of sale of Navigator
        Shares) to December 31, 1996.
    (D) For the period December 1, 1995 (commencement of sale of Navigator
        Shares) to December 31, 1996.
          No adjustment has been made for any income taxes payable by
      shareholders. The investment return of each Fund will fluctuate. The
      principal value of an investment in each Fund (except Government Money
      Market) will fluctuate so that an investor's shares, when redeemed, may be
      worth more or less than their original cost. Returns of Government
      Intermediate and Investment Grade would have been lower if the Manager had
      not waived/reimbursed certain fees and expenses during the fiscal years
      1987 through 1996.
          Further information about each Fund's performance is contained in the
      Annual Report to Shareholders, which may be obtained without charge by
      calling your Legg Mason or affiliated financial advisor or Legg Mason's
      Funds Marketing Department at 800-822-5544.
GOVERNMENT INTERMEDIATE, INVESTMENT GRADE AND HIGH YIELD:
          Each Fund also may advertise its yield or effective yield. Yield
      reflects net investment income per share (as defined by applicable SEC
      regulations) over a 30-day (or one-month) period, expressed as an
      annualized percentage of net asset value at the end of the period. The
      effective yield, although calculated similarly, will be slightly higher
      than the yield because it assumes that income earned from the investment
      is reinvested (i.e., the compounding effect of reinvestment). Yield
      computations differ from other accounting methods and therefore may differ
      from dividends actually paid or reported net income.
GOVERNMENT MONEY MARKET:
          From time to time, the Fund may quote its yield, including a compound
      effective yield, in advertisements or in reports or other communications
      to shareholders. The Fund's "yield" refers to the income generated by an
      investment in the Fund over a stated seven-day period. This income is then
      "annualized." That is, the average daily net income generated by the
      investment during that week is assumed to be generated each day over a
      365-day period and is shown as a percentage of the investment. The
      "effective yield" is calculated similarly but assumes that the income
      earned by an investment is reinvested. The Fund's effective yield will be
      slightly higher than the Fund's yield because of the compounding effect of
      this assumed reinvestment.
          Yield information may be useful in reviewing the Fund's performance
      and providing a basis for comparison with other investment alternatives.
      However, the Fund's yield may change in response to fluctuations in
      interest rates and Fund expenses. Past performance is not a guarantee of
      future performance.
          The Fund's yield for the seven-day period ended December 31, 1996 was
      4.77%. The effective yield for the same period was 4.88%.
                                                                               7

<PAGE>
     INVESTMENT OBJECTIVES AND POLICIES
          Each Fund's investment objective may not be changed without
      shareholder approval; however, except as otherwise noted, the investment
      policies of each Fund described below may be changed by the Corporation's
      Board of Directors without a shareholder vote. There can be no assurance
      that any Fund will achieve its investment objective.
          GOVERNMENT INTERMEDIATE'S investment objective is to provide investors
      with high current income consistent with prudent investment risk and
      liquidity needs. At least 75% of the Fund's total assets are, under normal
      circumstances, invested in U.S. government securities or instruments
      secured by such securities, including repurchase agreements. The Fund
      expects to maintain an average dollar-weighted maturity of between three
      and ten years. In the case of obligations not backed by the full faith and
      credit of the United States, the Fund must look principally to the agency
      or instrumentality issuing or guaranteeing the obligation for ultimate
      repayment and may not be able to assert a claim against the United States
      itself in the event the agency or instrumentality does not meet its
      commitments. The U.S. Government does not guarantee the market value of
      the Fund's investments or the market value or yield of the Fund's shares,
      all of which will fluctuate as market interest rates change. Investments
      in mortgage-related securities issued by governmental or
      government-related entities, as described on page 13, will be included in
      the 75% limitation.
          The balance of the Fund, up to 25% of its total assets, normally is
      invested in cash, commercial paper and investment grade debt securities
      rated within one of the four highest grades assigned by S&P (AAA, AA, A or
      BBB) or Moody's (Aaa, Aa, A or Baa), securities comparably rated by
      another NRSRO, or unrated securities judged by the Adviser to be of
      comparable quality. Debt securities rated Baa are deemed by Moody's to
      have speculative characteristics; changes in economic conditions or other
      circumstances are more likely to lead to a weakened capacity for the
      issuers of such securities to make principal and interest payments than is
      the case for high-grade debt securities. A further description of Moody's
      and S&P's ratings is included in the Appendix to this Prospectus.
          INVESTMENT GRADE'S investment objective is to provide investors with a
      high level of current income through investment in a diversified portfolio
      of debt securities. In seeking to achieve its objective, the Fund invests
      primarily in fixed-income securities which the Adviser considers to be of
      investment grade, of which some may be privately placed and some may have
      equity features.
          In pursuing its objective, under normal circumstances, the Fund
      invests at least 75% of its total assets in the following types of
      investment grade fixed-income securities:
          (1) debt securities which are rated at the time of purchase within the
      four highest grades assigned by Moody's or S&P, or, if unrated by Moody's
      or S&P, judged by the Adviser to be of comparable quality.
          (2) securities of, or guaranteed by, the U.S. government, its agencies
      or instrumentalities.
          (3) commercial paper and other money market instruments which are
      rated A-1 or A-2 by S&P or Prime-1 or Prime-2 by Moody's at the date of
      investment, or if unrated by Moody's or S&P, judged by the Adviser to have
      investment quality comparable to securities which may be purchased under
      item (1); bank certificates of deposit; and bankers' acceptances.
          (4) preferred stocks (including step down preferred securities), rated
      no lower than Baa by Moody's or, if unrated by Moody's, judged by the
      Adviser to be of comparable quality.
          The remainder of the Fund's assets, not in excess of 25% of its total
      assets, may be invested in: (1) debt securities of issuers which are rated
      at the time of purchase below Moody's and S&P's four highest grades, but
      rated B or better by Moody's or S&P, or if unrated by Moody's or S&P,
      judged by the Adviser to be of comparable quality; and (2) securities
      which may be convertible into or exchangeable for, or carry warrants to
      purchase, common stock or other equity interests (such securities may
      offer attractive income opportunities, and the debt securities of certain
      issuers may not be available without such features).
          The Fund currently invests in debt securities with maturities ranging
      from short-term (including overnight) up to forty years and anticipates
      that it will continue to do so. The Fund expects to maintain its portfolio
      of securities so as to have an
8
 
<PAGE>
      average dollar-weighted maturity of between five and twenty years.
          HIGH YIELD'S investment objective is to provide investors with a high
      level of current income. As a secondary objective, the Fund seeks capital
      appreciation. In seeking to achieve the Fund's objectives, the Adviser,
      under normal circumstances, invests at least 65% of the Fund's total
      assets in high yield, fixed-income securities, that is, income producing
      debt securities and preferred stocks of all types, including corporate
      debt securities and preferred stock, convertible securities, zero coupon
      securities, deferred interest securities, mortgage-backed securities and
      asset-backed securities. The Fund's remaining assets may be held in cash
      or money market instruments, or invested in common stocks and other equity
      securities when these types of investments are consistent with the
      objectives of the Fund or are acquired as part of a unit consisting of a
      combination of fixed-income securities and equity investments. Such
      remaining assets may also be invested in fixed-income securities rated
      above BBB by S&P or Baa by Moody's, securities comparably rated by another
      NRSRO, or unrated securities deemed by the Adviser to be of equivalent
      quality. Moreover, the Fund may hold cash or money market instruments
      without limit for temporary defensive purposes or pending investment.
      Current yield is the primary consideration used by the Adviser in the
      selection of portfolio securities, although consideration may also be
      given to the potential for capital appreciation.
          Higher yields are generally available from securities rated BBB or
      lower by S&P, Baa or lower by Moody's, securities comparably rated by
      another NRSRO, or unrated securities of equivalent quality, and the Fund
      may invest all or a substantial portion of its assets in such securities.
      Debt securities rated below investment grade (i.e., below BBB/Baa) are
      deemed by these agencies to be predominantly speculative with respect to
      the issuer's capacity to pay interest and repay principal and may involve
      major risk or exposure to adverse conditions. The Fund may invest in
      securities rated as low as "C" by Moody's or "D" by S&P, which ratings
      indicate that the obligations are highly speculative and may be in default
      or in danger of default as to principal and interest. Ratings are only the
      opinions of the agencies issuing them and are not absolute guarantees as
      to quality. The Adviser does not rely solely on the ratings of rated
      securities in making investment decisions but also evaluates other
      economic and business factors affecting the issuer. The Appendix to this
      Prospectus describes Moody's and S&P's rating categories of securities in
      which the Fund may invest.
          Fixed-income securities in which the Fund may invest include preferred
      stocks and all types of debt obligations of both domestic and foreign
      issuers, commercial paper, and obligations issued or guaranteed by the
      U.S. Government, foreign governments or of any of their respective
      political subdivisions, agencies, or instrumentalities, including
      repurchase agreements secured by such instruments.
          The Fund may invest up to 25% of its total assets in private
      placements and securities which, though not registered at the time of
      their initial sale, are issued with registration rights. The Fund may also
      invest in securities traded pursuant to Rule 144A under the Securities Act
      of 1933. Rule 144A permits large institutions to trade certain securities
      even though they are not registered under that Act. Some of these
      securities may be deemed by the Adviser to be liquid. The Fund will not
      invest more than 5% of its total assets in any one issuer, except for
      issues of the U.S. Government, its agencies and instrumentalities or
      repurchase agreements collateralized by such securities; however, up to
      25% of the Fund's total assets may be invested in securities issued by
      Canadian provinces or by Crown Corporations whose obligations are
      guaranteed by either the Canadian federal government or a provincial
      government. No more than 25% of the Fund's total assets may be invested in
      issuers having their principal business activity in the same industry.
          GOVERNMENT MONEY MARKET'S investment objective is to obtain high
      current income consistent with liquidity and conservation of principal.
          The Fund invests only in U.S. government obligations and repurchase
      agreements secured by such instruments. U.S. government obligations
      include (1) U.S. Treasury obligations, which differ only in their interest
      rates, maturities and times of issuance, and (2) obligations issued or
      guaranteed by U.S. government agencies and instrumentalities which are
      supported by any of the following: (a) the full faith and credit of the
      U.S. Government (such as certificates of the Government National
                                                                               9
 
<PAGE>
      Mortgage Association), (b) the right of the issuer to borrow an amount
      limited to a specific line of credit from the U.S. Government (such as
      obligations of the Federal Home Loan Bank), (c) the discretionary
      authority of the U.S. Treasury to lend to the issuer (such as Fannie Mae
      securities) or (d) only the credit of the instrumentality (such as the
      Federal Home Loan Mortgage Corporation). In the case of obligations not
      backed by the full faith and credit of the United States, the Fund must
      look to the agency or instrumentality issuing or guaranteeing the
      obligation for ultimate repayment and may not be able to assert a claim
      against the United States itself in the event the agency or
      instrumentality does not meet its commitments. The U.S. Government does
      not insure or guarantee the market value of the Fund's shares.
          The Fund attempts to stabilize the net asset value of a Fund share at
      $1.00. To maintain that net asset value, the Fund pursues several
      practices intended to minimize the effect of interest rate fluctuations.
      It invests in a portfolio of money market instruments with remaining
      maturities of 397 days or less; it maintains the dollar-weighted average
      maturity of the portfolio at 90 days or less; and it buys only high
      quality securities which the Adviser believes present minimal credit risk.
      The Fund, of course, cannot guarantee a net asset value of $1.00 per
      share. The Fund may invest in variable rate U.S. government obligations
      that have stated maturities in excess of 397 days if such obligations
      comply with conditions established by the SEC. Also, securities held by
      the Fund as collateral for repurchase agreements and other collateralized
      transactions may have remaining maturities in excess of 397 days.
GENERAL
          The market value of the interest-bearing debt securities held by a
      Fund, and therefore the net asset value of Fund shares, is affected by
      changes in market interest rates. There is normally an inverse
      relationship between the market value of securities sensitive to
      prevailing interest rates and actual changes in interest rates; i.e., a
      decline in interest rates produces an increase in market value, while an
      increase in rates produces a decrease in market value. Moreover, the
      longer the remaining maturity of a security, the greater is the effect of
      interest rate changes on the market value of such a security. In addition,
      changes in the ability of an issuer to make payments of interest and
      principal and in the market's perception of an issuer's creditworthiness
      also affect the market value of the debt securities of that issuer.
          Certain of the mortgage-backed and other securities in which a Fund
      can invest pay interest at variable or floating rates. Variable rate
      instruments reset at specified intervals, while floating rate instruments
      reset whenever there is a change in a specified index rate. The more
      closely these changes reflect current market rates, the more likely the
      instrument will trade at a price close to its par value. Some instruments
      do not directly track the underlying index, but reset based on formulas
      that can produce an effect similar to leverage; others may provide for
      interest payments that vary inversely with market rates. These instruments
      are regarded as "derivatives," and may vary significantly in market price
      when interest rates change.
          Each Fund has adopted certain fundamental investment limitations that,
      like its investment objective, may not be changed without the approval of
      its shareholders. A full description of these investment limitations is
      included in the Statement of Additional Information.
INVESTMENT TECHNIQUES AND RISKS
          The following investment techniques and risks apply to Government
      Intermediate, Investment Grade and High Yield unless otherwise stated.
      CORPORATE DEBT SECURITIES
          Corporate debt securities may pay fixed or variable rates of interest,
      or interest at a rate contingent upon some other factor, such as the price
      of some commodity. These securities may be convertible into preferred or
      common equity, or may be bought as part of a unit containing common stock.
      In selecting corporate debt securities for a Fund, the Adviser reviews and
      monitors the creditworthiness of each issuer and issue. The Adviser also
      analyzes interest rate trends and specific developments which it believes
      may affect individual issuers.
      CALLABLE DEBT SECURITIES
          A debt security may be callable, i.e., subject to redemption at the
      option of the issuer at a price established in the security's governing
      instrument. If a debt security held by a Fund is called for
10
 
<PAGE>
      redemption, that Fund will be required to permit the issuer to redeem the
      security or sell it to a third party. Either of these actions could have
      an adverse effect on a Fund's ability to achieve its investment
      objectives.
      RISKS OF LOWER-RATED DEBT SECURITIES
          Debt securities rated Baa and preferred stock rated Ba are deemed by
      Moody's to have speculative characteristics. Debt securities rated B by
      Moody's "generally lack characteristics of the desirable investment.
      Assurance of interest and principal payments or of maintenance of other
      terms of the contract over any long period of time may be small." S&P
      states that debt rated B "has a greater vulnerability to default but
      currently has the capacity to meet interest payments and principal
      repayments. Adverse business, financial or economic conditions will likely
      impair capacity or willingness to pay interest and repay principal."
          High yield bonds offer a higher yield to maturity than bonds with
      higher ratings, as compensation for holding an obligation that is subject
      to greater risk. The principal risks of high yield securities include: (i)
      limited liquidity and secondary market support, (ii) substantial market
      price volatility resulting from changes in prevailing interest rates,
      (iii) the fact that such obligations are often unsecured and are
      subordinated to the claims of banks and other senior lenders in bankruptcy
      proceedings, (iv) the operation of mandatory sinking fund or
      call/redemption provisions during periods of declining interest rates,
      whereby the holder might receive redemption proceeds at times when only
      lower-yielding securities are available for investment, (v) the
      possibility that earnings of the issuer may be insufficient to meet its
      debt service, (vi) the issuer's low creditworthiness and potential for
      insolvency during periods of rising interest rates and economic downturn,
      (vii) the fact that the issuers are often highly leveraged and may not
      have access to more traditional methods of financings and (viii) the
      possibility of adverse publicity and investor perceptions, whether or not
      due to fundamental analysis, which may result in widespread sales and
      declining market prices. If the Fund is required to seek recovery upon a
      default in the payment of principal or interest, it may incur additional
      expenses and may have limited legal recourse.
          As a result of the limited liquidity of high yield securities, their
      prices have at times experienced significant and rapid decline when a
      significant number of holders of high yield securities simultaneously
      decided to sell them. A decline is also likely in the high yield bond
      market during an economic downturn. An economic downturn or an increase in
      interest rates could severely disrupt the market for high yield securities
      and adversely affect the value of outstanding securities and the ability
      of the issuers to repay principal and interest. Yields on lower rated debt
      securities may rise dramatically in such periods, reflecting the risk that
      holders of such securities could lose a substantial portion of their value
      as a result of the issuers' financial restructuring or default. There can
      be no assurance that such declines will not recur. Because the market for
      high yield securities is less liquid, the valuation of these securities
      may require greater judgment than is necessary with respect to securities
      having more active markets.
          Although the prices of lower-rated bonds are generally less sensitive
      to interest rate changes than are higher-rated bonds, the prices of lower-
      rated bonds may be more sensitive to adverse economic changes and
      developments regarding the individual issuer. Although the market for
      lower-rated debt securities is not new, and the market has previously
      weathered economic downturns, there has been in recent years a substantial
      increase in the use of such securities to fund corporate acquisitions and
      restructurings. Accordingly, the past performance of the market for such
      securities may not be an accurate indication of its performance during
      future economic downturns or periods of rising interest rates.
          If an investment grade security purchased by Investment Grade is
      subsequently given a rating below investment grade, the Adviser will
      consider that fact in determining whether to retain that security in the
      Fund's portfolio.
          The table below provides a summary of ratings assigned to debt
      holdings in the portfolios of Investment Grade and High Yield. These
      figures are dollar-weighted averages of month-end portfolio holdings
      during the fiscal year ended December 31, 1996, presented as a percentage
      of total investments. These percentages are historical and are not
      necessarily indicative of the quality of current or future portfolio
      holdings, which may vary.
                                                                              11

<PAGE>
<TABLE>
<CAPTION>
               Aaa/
  MOODY'S      Aa/A      Baa       Ba       B       Caa       Ca       C        NR
<S>            <C>       <C>      <C>      <C>      <C>      <C>      <C>      <C>
- -----------------------------------------------------------------------------------
Investment
 Grade         67.5%    15.3%    14.2%     3.0%      --       --       --       --
High Yield      4.1%      --      5.0%    70.8%     4.8%      --      0.4%    14.9%
</TABLE>

<TABLE>
<CAPTION>
               AAA/
    S&P        AA/A     BBB       BB       B       CCC      CC/C      D        NR
<S>            <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
- ----------------------------------------------------------------------------------
Investment
 Grade         67.5%    18.7%     8.9%     4.9%      --      --        --       --
High Yield      4.1%      --     15.2%    54.1%     3.4%     --       0.4%    22.8%
</TABLE>

          Investment Grade held no unrated debt securities during the fiscal
      year. The dollar-weighted average of debt securities not rated by either
      Moody's or S&P amounted to 12.3% for High Yield. This may include
      securities rated by other NRSROs, as well as unrated securities. Unrated
      securities are not necessarily lower-quality securities, but may not be
      attractive to as many investors.
      U.S. GOVERNMENT SECURITIES (THE FOLLOWING ALSO APPLIES TO GOVERNMENT MONEY
      MARKET)
          U.S. government securities include direct obligations of the U.S.
      Treasury and obligations issued by U.S. government agencies and
      instrumentalities, including securities that are supported by: (1) the
      full faith and credit of the United States (e.g., certificates of the
      Government National Mortgage Association ("GNMA")); (2) the right of the
      issuer to borrow from the U.S. Treasury (e.g., Federal Home Loan Banks
      securities); (3) the discretionary authority of the U.S. Treasury to lend
      to the issuer (e.g., Fannie Mae ("FNMA") securities); and (4) solely the
      creditworthiness of the issuer (e.g., Federal Home Loan Mortgage
      Corporation ("FHLMC") securities). Neither the U.S. Government nor any of
      its agencies or instrumentalities guarantees the market value of the
      securities they issue. Therefore, the market value of such securities can
      be expected to fluctuate in response to changes in interest rates.
      INFLATION-INDEXED SECURITIES
          The Funds may also invest in U.S. Treasury securities whose principal
      value is adjusted daily in accordance with changes to the Consumer Price
      Index (also known as "Treasury Inflation-Protection Securities"). Interest
      is calculated on the basis of the adjusted principal value on the payment
      date. The principal value of inflation-indexed securities declines in
      periods of deflation, but holders at maturity receive no less than par. If
      inflation is lower than expected during the period a Fund holds the
      security, the Fund may earn less on it than on a conventional bond. Any
      increase in principal value is taxable in the year the increase occurs,
      even though holders do not receive cash representing the increase at that
      time. Changes in market interest rates from causes other than inflation
      will likely affect the market prices of inflation-indexed securities in
      the same manner as conventional bonds.
      MORTGAGE-RELATED SECURITIES
          Mortgage-related securities represent interests in pools of mortgages.
      Mortgage-related securities may be issued by governmental or government-
      related entities or by non-governmental entities such as banks, savings
      and loan institutions, private mortgage insurance companies, mortgage
      bankers and other secondary market issuers.
          Mortgage-related securities differ from other forms of debt securities
      which normally provide for periodic payment of interest in fixed amounts
      with principal payments at maturity or specified call dates. In contrast,
      mortgage-related securities provide monthly payments which consist of
      interest and, in most cases, principal. In effect, these payments are a
      "pass-through" of the monthly payments made by the individual borrowers on
      their residential mortgage loans, net of any fees paid to the issuer or
      guarantor of such securities. Additional payments to holders of mortgage-
      related securities are caused by repayments resulting from the sale of the
      underlying residential property, refinancing or foreclosure. Some
      mortgage-related securities entitle the holders to receive all interest
      and principal payments owed on the mortgages in the pool, net of certain
      fees, regardless of whether or not the mortgagors actually make the
      payments.
          As prepayment rates of individual pools of mortgage loans vary widely,
      it is not possible to predict accurately the average life of a particular
      mortgage-related security. Although mortgage-related securities are issued
      with stated maturities of up to forty years, unscheduled or early payments
      of principal and interest on the underlying mortgages may shorten
      considerably the securities' effective maturities. When interest rates are
      declining, such prepayments usually increase. On the other hand, a
      decrease in the rate of prepayments, resulting from an increase in market
      interest rates,
12
 
<PAGE>
      among other causes, may extend the effective maturities of
      mortgage-related securities, increasing their sensitivity to changes in
      market interest rates. The volume of prepayments of principal on a pool of
      mortgages underlying a particular mortgage-related security will influence
      the yield of that security. Increased prepayment of principal may limit a
      Fund's ability to realize the appreciation in the value of such securities
      that would otherwise accompany declining interest rates. An increase in
      mortgage prepayments could cause a Fund to incur a loss on a
      mortgage-related security that was purchased at a premium. In determining
      a Fund's average maturity, the Adviser must apply certain assumptions and
      projections about the maturity and prepayment of mortgage-related
      securities; actual prepayment rates may differ.
          A Fund may enter into mortgage "dollar roll" transactions with
      selected banks and broker-dealers pursuant to which that Fund sells
      mortgage-backed securities for delivery in the future (generally within 30
      days) and simultaneously contracts to repurchase substantially similar
      securities on a specified future date.
          RESTRICTIONS: Government Intermediate and Investment Grade normally
      may invest up to 50% of their total assets in mortgage-related securities,
      including those issued by the governmental or government-related entities
      referred to above. No more than 25% of Government Intermediate's or
      Investment Grade's total assets normally are invested in mortgage-related
      securities issued by non-governmental entities. Mortgage dollar roll
      transactions may be considered borrowings and, if so, will be subject to
      each Fund's investment limitation that, except for temporary purposes, a
      Fund will not borrow money in excess of 5% of its total assets at the time
      of borrowing.
      GOVERNMENT MORTGAGE-RELATED SECURITIES
          GNMA pass-through securities are considered to have a very low risk of
      default in that (i) the underlying mortgage loan portfolio is comprised
      entirely of government-backed loans and (ii) the timely payment of both
      principal and interest on the securities is guaranteed by the full faith
      and credit of the U.S. Government. GNMA pass-through securities are,
      however, subject to the same market risk as comparable debt securities.
      Therefore, the effective maturity and market value of a Fund's GNMA
      securities can be expected to fluctuate in response to changes in interest
      rate levels.
          FHLMC, a corporate instrumentality of the U.S. Government, issues
      mortgage participation certificates ("PCs") which represent interests in
      mortgages from FHLMC's national portfolio. The mortgage loans in FHLMC's
      portfolio are not government backed; rather, the loans are either
      uninsured with loan-to-value ratios of 80% or less, or privately insured
      if the loan-to-value ratio exceeds 80%. FHLMC, not the U.S. Government,
      guarantees the timely payment of interest and ultimate collection of
      principal on FHLMC PCs.
          FNMA is a government-sponsored corporation owned entirely by private
      stockholders that purchases residential mortgages from a list of approved
      seller/servicers, including savings and loan associations, savings banks,
      commercial banks, credit unions and mortgage bankers. Pass-through
      certificates issued by FNMA ("FNMA certificates") are guaranteed as to
      timely payment of principal and interest by FNMA, not the U.S. Government.
      PRIVATELY ISSUED MORTGAGE-RELATED SECURITIES
          Mortgage-related securities offered by private issuers include
      pass-through securities comprised of pools of conventional residential
      mortgage loans; mortgage-backed bonds which are considered to be
      obligations of the institution issuing the bonds and are collateralized by
      mortgage loans; and bonds and collateralized mortgage obligations ("CMOs")
      which are collateralized by mortgage-related securities issued by FHLMC,
      FNMA, or GNMA or by pools of conventional mortgages.
          CMOs are typically structured with two or more classes or series which
      have different maturities and are generally retired in sequence. Each
      class of obligations is scheduled to receive periodic interest payments
      according to the coupon rate on the obligations. However, all monthly
      principal payments and any prepayments from the collateral pool are paid
      first to the "Class 1" bondholders. The principal payments are such that
      the Class 1 obligations are scheduled to be completely repaid no later
      than, for example, five years after the offering date. Thereafter, all
      payments of principal are allocated to the next most senior class of bonds
      until that class of bonds has been fully repaid. Although full payoff of
      each class of bonds is contractually required by a certain date, any or
      all
                                                                              13
 
<PAGE>
      classes of obligations may be paid off sooner than expected because of an
      increase in the payoff speed of the pool.
          Mortgage-related securities created by non-governmental issuers
      generally offer a higher rate of interest than government and government-
      related securities because there are no direct or indirect government
      guarantees of payments in the former securities, resulting in higher
      risks.
          The market for conventional pools is smaller and less liquid than the
      market for the government and government-related mortgage pools.
      ASSET-BACKED SECURITIES
          Asset-backed securities are securities that represent direct or
      indirect participations in, or are secured by and payable from, assets
      such as motor vehicle installment sales contracts, installment loan
      contracts, leases of various types of real and personal property and
      receivables from revolving credit (credit card) agreements. Such assets
      are securitized through the use of trusts and special purpose
      corporations. The value of such securities partly depends on loan
      repayments by individuals, which may be adversely affected during general
      downturns in the economy. Payments or distributions of principal and
      interest on asset-backed securities may be supported by credit
      enhancements, such as various forms of cash collateral accounts or letters
      of credit. Like mortgage-related securities, asset-backed securities are
      subject to the risk of prepayment. The risk that recovery on repossessed
      collateral might be unavailable or inadequate to support payments on
      asset-backed securities, however, is greater than is the case for
      mortgage-backed securities.
      CONVERTIBLE SECURITIES
          A convertible security is a bond, debenture, note, preferred stock or
      other security that may be converted into or exchanged for a prescribed
      amount of common stock of the same or a different issuer within a
      particular period of time at a specified price or formula. A convertible
      security entitles the holder to receive interest paid or accrued on debt
      or the dividend paid on preferred stock until the convertible security
      matures or is redeemed, converted or exchanged. Before conversion,
      convertible securities have characteristics similar to non-convertible
      debt securities in that they ordinarily provide a stable stream of income
      with generally higher yields than those of common stocks of the same or
      similar issuers, but lower than the yield on non-convertible debt.
      Convertible securities are usually subordinated to comparable-tier
      non-convertible securities but rank senior to common stock in a
      corporation's capital structure.
          The value of a convertible security is a function of (1) its yield in
      comparison with the yields of other securities of comparable maturity and
      quality that do not have a conversion privilege and (2) its worth, at
      market value, if converted into the underlying common stock. Convertible
      securities are typically issued by smaller capitalized companies, whose
      stock prices may be volatile. The price of a convertible security often
      reflects such variations in the price of the underlying common stock in a
      way that non-convertible debt does not. A convertible security may be
      subject to redemption at the option of the issuer at a price established
      in the convertible security's governing instrument, which could have an
      adverse effect on a Fund's ability to achieve its investment objective.
          Government Intermediate and Investment Grade do not intend to exercise
      conversion rights for any convertible security they own and do not intend
      to hold any security which has been subject to conversion.
      ZERO COUPON BONDS
          Zero coupon bonds are debt obligations which make no fixed interest
      payments but instead are issued at a significant discount from face value.
      Like other debt securities, the market price can reflect a premium or
      discount, in addition to the original issue discount, reflecting the
      market's judgment as to the issuer's creditworthiness, the interest rate
      or other similar factors. The original issue discount approximates the
      total amount of interest the bonds will accrue and compound over the
      period until maturity or the first interest payment date at a rate of
      interest reflecting the market rate of the security at the time of
      issuance. Because zero coupon bonds do not make periodic interest
      payments, their prices can be very volatile when market interest rates
      change.
          The original issue discount on zero coupon bonds must be included in a
      Fund's income ratably as it accrues. Accordingly, to continue to qualify
      for tax treatment as a regulated investment company and to avoid a certain
      excise tax, a Fund may be required to distribute as a dividend an
14
 
<PAGE>
      amount that is greater than the total amount of cash it actually receives.
      See "Additional Tax Information" in the Statement of Additional
      Information. These distributions must be made from a Fund's cash assets
      or, if necessary, from the proceeds of sales of portfolio securities. Such
      sales could occur at a time which would be disadvantageous to that Fund
      and when that Fund would not otherwise choose to dispose of the assets.
      STRIPPED MORTGAGE-BACKED SECURITIES
          The Funds may also invest in stripped mortgage-backed securities,
      which are derivative securities usually structured with two classes that
      receive different proportions of the interest and principal distributions
      from an underlying pool of mortgage assets. The Funds may purchase
      securities representing only the interest payment portion of the
      underlying mortgage pools (commonly referred to as "IOs") or only the
      principal portion of the underlying mortgage pools (commonly referred to
      as "POs"). Stripped mortgage-backed securities are more sensitive to
      changes in prepayment and interest rates and the market for such
      securities is less liquid than is the case for traditional debt securities
      and mortgage-backed securities. The yield on IOs is extremely sensitive to
      the rate of principal payments (including prepayments) on the underlying
      mortgage assets, and a rapid rate of repayment may have a material adverse
      effect on such securities' yield to maturity. If the underlying mortgage
      assets experience greater than anticipated prepayments of principal, a
      Fund will fail to recoup fully its initial investment in these securities,
      even if they are rated high quality. Most IOs and POs are regarded as
      illiquid and will be included in each Fund's limit on illiquid securities.
      U.S. government-issued IOs and POs backed by fixed-rate mortgages may be
      deemed liquid by the Adviser, following guidelines and standards
      established by the Corporation's Board of Directors.
      PAY-IN-KIND BONDS (HIGH YIELD ONLY)
          Pay-in-kind bonds pay "interest" through the issuance of additional
      bonds, thereby adding debt to the issuer's balance sheet. The market
      prices of these securities are likely to respond to changes in interest
      rates to a greater degree than the prices of securities paying interest
      currently. Pay-in-kind bonds carry additional risk in that, unlike bonds
      that pay interest throughout the period to maturity, the Fund will realize
      no cash until the cash payment date and the Fund may obtain no return at
      all on its investment if the issuer defaults.
          The holder of a pay-in-kind bond must accrue income with respect to
      these securities prior to the receipt of cash payments thereon. To avoid
      liability for federal income and excise taxes, the Fund most likely will
      be required to distribute income accrued with respect to these securities,
      even though the Fund has not received that income in cash, and may be
      required to dispose of portfolio securities under disadvantageous
      circumstances in order to generate cash to satisfy these distribution
      requirements.
      PREFERRED STOCK
          Preferred stock may be purchased as a substitute for debt securities
      of the same issuer when, in the opinion of the Adviser, the preferred
      stock is more attractively priced in light of the risks involved.
      Preferred stock pays dividends at a specified rate and generally has
      preference over common stock in the payment of dividends and the
      liquidation of the issuer's assets but is junior to the debt securities of
      the issuer in those same respects. Unlike interest payments on debt
      securities, dividends on preferred stock are generally payable at the
      discretion of the issuer's board of directors, and shareholders may suffer
      a loss of value if dividends are not paid. Preferred shareholders
      generally have no legal recourse against the issuer if dividends are not
      paid. The market prices of preferred stocks are subject to changes in
      interest rates and are more sensitive to changes in the issuer's
      creditworthiness than are the prices of debt securities. Under ordinary
      circumstances, preferred stock does not carry voting rights.
      TRUST ORIGINATED PREFERRED SECURITIES
          The Funds may also invest in trust originated preferred securities, a
      new type of security issued by financial institutions such as banks and
      insurance companies. Trust originated preferred securities represent
      interests in a trust formed by a financial institution. The trust sells
      preferred shares and invests the proceeds in notes issued by the financial
      institution. These notes may be subordinated and unsecured. Distributions
      on the trust originated preferred securities match the interest payments
      on the notes; if no interest is paid on the notes, the trust will not make
      current payments on
                                                                              15
 
<PAGE>
      its preferred securities. Trust originated preferred securities currently
      enjoy favorable tax treatment. If the tax characterization of these
      securities were to change adversely, they could be redeemed by the
      issuers, which could result in a loss to a Fund. In addition, some trust
      originated preferred securities are restricted securities available only
      to qualified institutional buyers under Rule 144A.
      FOREIGN SECURITIES
GOVERNMENT INTERMEDIATE AND INVESTMENT GRADE:
          The Funds may invest in U.S. dollar-denominated debt securities issued
      by foreign companies and governments. The foreign government securities in
      which a Fund invests generally consist of obligations supported by
      national, state or provincial governments or similar political
      subdivisions. The Funds also may invest in debt securities of foreign
      "quasi-governmental agencies," which are issued by entities owned by a
      national, state or equivalent government or are obligations of a political
      unit that is not backed by the national government's full faith and credit
      and general taxing powers. Because the foreign securities in which the
      Funds invest are U.S. dollar-denominated, there is no risk of currency
      fluctuation, although there are other risks as set forth below.
HIGH YIELD:
          High Yield may invest up to 25% of its total assets in securities of
      domestic and foreign issuers that are denominated in currencies other than
      the U.S. dollar. To facilitate investment in foreign securities, the Fund
      may hold positions in foreign currencies. In addition, for hedging
      purposes, the Fund may purchase and write either listed or
      over-the-counter put and call options on foreign currencies or may enter
      into forward foreign currency contracts ("forward currency contracts").
          Forward currency contracts involve obligations to purchase or sell a
      specific amount of a specific currency at a future date, which may be any
      fixed number of days from the date of the contract agreed upon by the
      parties, at a price set at the time of the contract. By entering into a
      forward currency contract, the Fund "locks in" the exchange rate between
      the currency it will deliver and the currency it will receive for the
      duration of the contract. The Fund may enter into these contracts for the
      purpose of hedging against risk arising from its investment or anticipated
      investment in securities denominated in foreign currencies. Forward
      currency contracts involve certain risks, including the risk that currency
      movements will not be accurately predicted causing the Fund to sustain
      losses on these contracts.
          The Fund may invest in fixed-income and other debt securities of
      issuers based in emerging markets (including countries in Latin America,
      Eastern Europe, Asia and Africa).
      RISKS OF FOREIGN SECURITIES
          Investment in foreign securities (including those denominated in U.S.
      dollars) presents certain risks, including those resulting from adverse
      political and economic developments, reduced availability of public
      information concerning issuers and the fact that foreign issuers generally
      are not subject to uniform accounting, auditing and financial reporting
      standards or to other regulatory practices and requirements comparable to
      those applicable to domestic issuers. Moreover, securities of many foreign
      issuers may be less liquid and their prices more volatile than those of
      comparable domestic issuers. Some foreign securities are subject to
      foreign income and withholding taxes. Additional risks associated with
      investing in foreign securities include the possibility of
      nationalization, expropriation or confiscatory taxation; adverse changes
      in investment or exchange control regulations (which may include
      suspension of the ability to transfer currency out of a country); and
      political instability. Changes in foreign exchange rates will affect the
      value of securities denominated or quoted in currencies other than the
      U.S. dollar irrespective of the performance of the underlying instrument.
      Some foreign governments have defaulted on principal and/or interest
      payments; in such cases, a Fund would have limited recourse to enforce its
      rights under the instruments it holds. The risks of foreign investment,
      described above, are greater for investments in emerging markets. Debt
      securities of issuers in such countries will typically be rated below
      investment grade or be of comparable quality.
      REPURCHASE AGREEMENTS (THE FOLLOWING ALSO APPLIES TO GOVERNMENT MONEY
      MARKET)
          Repurchase agreements are agreements under which U.S. government
      obligations (or, with
16
 
<PAGE>
      respect to Government Intermediate, Investment Grade and High Yield, other
      high-quality, liquid debt securities) are acquired from a securities
      dealer or bank subject to resale at an agreed-upon price and date. The
      securities are held for the Funds by a custodian bank as collateral until
      resold and will be supplemented by additional collateral if necessary to
      maintain a total value equal to or in excess of the value of the
      repurchase agreement. A Fund bears a risk of loss in the event that the
      other party to a repurchase agreement defaults on its obligations and that
      Fund is delayed or prevented from exercising its right to dispose of the
      collateral securities, which may decline in value in the interim. A Fund
      will enter into repurchase agreements only with financial institutions
      which the Adviser believes present minimal risk of default during the term
      of the agreement based on guidelines established by the Corporation's
      Board of Directors.
          RESTRICTIONS: A Fund will not enter into repurchase agreements of more
      than seven days' duration if more than 10% (15% in the case of High Yield)
      of its net assets would be invested in such agreements and other illiquid
      investments.
      FORWARD COMMITMENTS (THE FOLLOWING ALSO APPLIES TO GOVERNMENT MONEY
      MARKET)
          Each Fund may enter into commitments to purchase U.S. government
      securities or other securities on a "forward commitment" basis, including
      purchases on a "when-issued" basis or a "to be announced" basis. When such
      transactions are negotiated, the price is fixed at the time the commitment
      is made, but delivery and payment for the securities takes place at a
      later date. Such securities are often the most efficiently priced and have
      the best liquidity in the bond market. During the period between a
      commitment and settlement, no payment is made by the purchaser for the
      securities purchased and, thus, no interest accrues to the purchaser from
      the transaction. In a to be announced transaction, a Fund has committed to
      purchase securities for which all specific information is not yet known at
      the time of the trade, particularly the exact face amount in forward
      commitment mortgage-backed securities transactions.
          A Fund may sell the securities subject to a forward commitment
      purchase, which may result in a gain or loss. When a Fund purchases
      securities on a forward commitment basis, it assumes the risks of
      ownership, including the risk of price fluctuation, at the time of
      purchase, not at the time of receipt. Purchases of forward commitment
      securities also involve a risk of loss if the seller fails to deliver
      after the value of the securities has risen. Depending on market
      conditions, a Fund's forward commitment purchases could cause its net
      asset value to be more volatile. A Fund will direct State Street to place
      cash or U.S. government obligations in a separate account equal to the
      commitments of the Fund to purchase securities as a result of its forward
      commitment obligation.
          Each Fund (other than Government Money Market) may also enter into a
      forward commitment to sell only those securities it owns and will do so
      only with the intention of actually delivering the securities. The use of
      forward commitments enables a Fund to hedge against anticipated changes in
      interest rates and prices. In a forward sale, a Fund does not participate
      in gains or losses on the security occurring after the commitment date. A
      Fund will direct State Street to place the securities in a separate
      account. Forward commitments to sell securities also involve a risk of
      loss if the seller fails to take delivery after the value of the
      securities has declined. Further risks involving forward commitments are
      discussed in the section "Risks of Futures, Options and Forward Currency
      Contracts," below.
          Government Intermediate, Investment Grade and Government Money Market
      each does not expect that purchases of forward commitments will at any
      time exceed, in the aggregate, 20% of its total assets.
      FUTURES AND OPTIONS TRANSACTIONS
GOVERNMENT INTERMEDIATE AND INVESTMENT GRADE:
          In an effort to protect against the effect of adverse changes in
      interest rates, a Fund may purchase and sell interest rate futures
      contracts and may purchase put options on interest rate futures contracts
      and debt securities (practices known as "hedging"). A futures contract is
      an agreement by a Fund to buy or sell securities at a specified date and
      price. The purchase of a put option on a futures contract allows a Fund,
      at its option, to enter into a particular futures contract to sell
      securities at any time up to the option's expiration date.
          A Fund may seek to enhance its income or hedge the portfolio by
      writing (selling) covered
                                                                              17

<PAGE>
      call options (i.e., a Fund will own the underlying instrument while the
      call is outstanding) and covered put options (i.e., a Fund will have cash
      or appropriate liquid securities in a segregated account in an amount not
      less than the exercise price while the put is outstanding).
          RESTRICTIONS: A Fund will not enter into any futures contracts or
      related options if the sum of the initial margin deposits on futures
      contracts or related options and premiums paid for related options the
      Fund has purchased would exceed 5% of that Fund's total assets. A Fund
      will not purchase futures contracts or related options if, as a result,
      more than 33-1/3% of that Fund's total assets would be so invested.
HIGH YIELD:
          The Fund may write (sell) or purchase put and call options on domestic
      and foreign securities, securities indices and foreign currencies. Call
      options written by the Fund give the holder the right to buy the
      underlying securities or currencies from the Fund at a fixed exercise
      price up to a stated expiration date, or in the case of certain options,
      on such date. Put options give the holder the right to sell the underlying
      securities or currencies to the Fund at a fixed exercise price up to a
      stated expiration date, or in the case of certain options, on such date.
          The Fund may also enter into options on the yield "spread" or yield
      differential between two fixed-income securities, a transaction referred
      to as a "yield curve" option, for hedging and non-hedging purposes.
          The Fund may purchase and sell futures contracts on foreign
      currencies, securities, or indices of securities, including indices of
      fixed-income securities which may become available for trading. The Fund
      may also purchase and write options on such futures contracts.
      RISKS OF FUTURES, OPTIONS AND FORWARD CURRENCY CONTRACTS
          Many options on debt securities are traded primarily on the
      over-the-counter ("OTC") market. OTC options differ from exchange-traded
      options in that the former are two-party contracts with price and other
      terms negotiated between buyer and seller and generally do not have as
      much market liquidity as exchange-traded options. Thus, when a Fund
      purchases an OTC option, it relies on the dealer from which it has
      purchased the option to make or take delivery of the securities underlying
      the option. Failure by the dealer to do so would result in the loss of the
      premium paid by a Fund as well as the loss of the expected benefit of the
      transaction. OTC options may be considered "illiquid securities" for
      purposes of the Funds' investment limitations.
          When a Fund purchases or sells a futures contract, the Fund is
      required to deposit with its custodian (or a broker, if legally permitted)
      a specified amount of cash or U.S. government securities ("initial
      margin"). Each day the Fund pays or receives cash ("variation margin")
      equal to the daily change in value of the futures contract. The use by a
      Fund of futures contracts or commodities option positions for other than
      bona fide hedging purposes is restricted by government regulations. (See
      the Statement of Additional Information.) If a Fund writes an option or
      sells a futures contract and is not able to close out that position prior
      to settlement date, the Fund may be required to deliver cash or securities
      substantially in excess of these amounts.
          The use of options, futures and forward currency contracts involves
      certain investment risks and transaction costs to which a Fund might not
      be subject if it did not use such instruments. These risks include (1)
      dependence on the Adviser's ability to predict movements in the prices of
      individual securities, fluctuations in the general securities markets or
      in market sectors and movements in interest rates and currency markets;
      (2) imperfect correlation between movements in the price of options,
      futures contracts or options thereon, or forward currency contracts or
      options thereon and movements in the price of the securities or currencies
      hedged or used for cover; (3) the fact that skills and techniques needed
      to trade options, futures contracts and options thereon or to use forward
      currency contracts are different from those needed to select the
      securities in which the Fund invests; (4) lack of assurance that a liquid
      secondary market will exist for any particular option, futures contract or
      option thereon, or forward currency contract at any particular time which
      may result in unanticipated losses; (5) the possibility that the use of
      cover or segregation involving a large percentage of a Fund's assets could
      impede portfolio management or the Fund's ability to meet
18
 
<PAGE>
      redemption requests or other short-term obligations; (6) the possible need
      to defer closing out certain options, futures contracts and options
      thereon and forward currency contracts in order to continue to qualify for
      the beneficial tax treatment afforded "regulated investment companies"
      under the Internal Revenue Code of 1986, as amended ("Code") (see
      "Additional Tax Information" in the Statement of Additional Information);
      and (7) the fact that, although use of these instruments for hedging
      purposes can reduce the risk of loss, they can also reduce the opportunity
      for gain, or even result in losses, by offsetting favorable price
      movements in hedged instruments. The use of options for speculative
      purposes, i.e., to enhance income or to increase a Fund's exposure to a
      particular security or foreign currency, subjects the Fund to additional
      risk. The use of futures or forward currency contracts to hedge an
      anticipated purchase (other than a when-issued or delayed delivery
      purchase) also subjects a Fund to additional risk until the purchase is
      completed or the position is closed out.
          The Statement of Additional Information contains a more detailed
      description of futures, options and forward strategies.
      RESTRICTED AND ILLIQUID SECURITIES
          Restricted securities are securities subject to legal or contractual
      restrictions on their resale, such as private placements. Such
      restrictions might prevent the sale of restricted securities at a time
      when sale would otherwise be desirable. Repurchase agreements maturing in
      more than seven days are considered illiquid. Illiquid securities, defined
      as securities that cannot be sold within 7 days at approximately the price
      they are valued, may be difficult to value, and a Fund may have difficulty
      disposing of such securities promptly.
          RESTRICTIONS: No more than 15% of High Yield's net assets will be
      invested in securities which are deemed illiquid. No more than 10% of
      Government Intermediate's or Investment Grade's net assets will be
      invested in illiquid securities.
      LENDING
          Each Fund may loan its portfolio securities to qualified borrowers who
      deposit and maintain with the Fund cash collateral equal to at least 100%
      of the market value of the securities loaned.
      INTEREST RATE SWAPS (HIGH YIELD ONLY)
          The Fund may enter into interest rate swaps. An interest rate swap is
      an agreement under which two parties exchange interest rate obligations,
      one of which typically is an interest rate fixed until the maturity of the
      obligation, while the other typically is a rate which changes with the
      changes in some other rate, such as the prime rate or the London Interbank
      Offered Rate (LIBOR). Such swaps will be used when the Fund wishes to
      effectively convert a floating rate asset into a fixed rate asset, or vice
      versa.
      LOAN PARTICIPATIONS AND ASSIGNMENTS (HIGH YIELD ONLY)
          The Fund may also invest in "loan participations or assignments." In
      purchasing a loan participation or assignment, the Fund acquires some or
      all of the interest of a bank or other lending institution in a loan to a
      corporate borrower. Many such loans are secured and most impose
      restrictive covenants which must be met by the borrower and which are
      generally more stringent than the covenants available in publicly traded
      debt securities. However, interests in some loans may not be secured, and
      the Fund will be exposed to a risk of loss if the borrower defaults. Loan
      participations may also be purchased by the Fund when the borrowing
      company is already in default.
          In purchasing a loan participation, the Fund may have less protection
      under the federal securities laws than it has in purchasing traditional
      types of securities. The Fund's ability to assert its rights against the
      borrower will also depend on the particular terms of the loan agreement
      among the parties.
          RESTRICTIONS: Many of the interests in loans purchased by the Fund
      will be illiquid and therefore subject to the Fund's 15% limit on illiquid
      investments.
PORTFOLIO TURNOVER
          For the year ended December 31, 1996, Government Intermediate's
      portfolio turnover rate was 354%, Investment Grade's portfolio turnover
      rate was 383% and High Yield's portfolio turnover rate was 77%. Each Fund
      anticipates that its annual portfolio turnover rate may exceed 300%. The
      Funds may sell fixed-income securities and buy similar securities to
      obtain yield and take advantage of market anomalies, a practice which will
      increase the reported turnover rate of the Funds. A
                                                                              19
 
<PAGE>
      portfolio turnover rate in excess of 100% will involve correspondingly
      greater transaction costs which will be borne directly by a Fund. It may
      also increase the amount of net short-term capital gains, if any, realized
      by a Fund and may affect the tax treatment of distributions paid to
      shareholders because distributions of net short-term capital gains are
      taxable as ordinary income. Each Fund will take these possibilities into
      account as part of its investment strategy.
HOW YOU CAN INVEST IN THE FUNDS
          You may purchase Primary Shares of the Funds through a brokerage
      account with Legg Mason or with an affiliate that has a dealer agreement
      with Legg Mason. Your Legg Mason or affiliated financial advisor will be
      pleased to explain the shareholder services available from the Funds and
      answer any questions you may have.
          Documents available from your Legg Mason or affiliated financial
      advisor should be completed if you invest in shares of the Funds through
      an Individual Retirement Account ("IRA"), Self-Employed Individual
      Retirement Plan ("Keogh Plan"), Simplified Employee Pension Plan ("SEP"),
      Savings Incentive Match Plan for Employees ("SIMPLE") or other qualified
      retirement plan. Investors who are considering establishing an IRA, Keogh
      Plan, SEP, SIMPLE or other qualified retirement plan may wish to consult
      their attorneys or other tax advisers with respect to individual tax
      questions. The option of investing in these accounts and plans through
      regular payroll deductions may be arranged with Legg Mason and your
      employer. Additional information with respect to these accounts and plans
      is available upon request from any Legg Mason or affiliated financial
      advisor.
          Clients of certain institutions that maintain omnibus accounts with
      the Funds' transfer agent may obtain shares through those institutions.
      Such institutions may receive payments from the Funds' distributor for
      account servicing, and may receive payments from their clients for other
      services performed. Investors can purchase Fund shares from Legg Mason
      without receiving or paying for such other services.
          The minimum initial investment in Primary Shares for each Fund
      account, including investments made by exchange from other Legg Mason
      funds and investments in an IRA or similar plan, is $1,000, and the
      minimum investment for each purchase of additional shares is $100 for
      Government Intermediate, Investment Grade and High Yield and $500 for
      Government Money Market, except as noted below. The minimum amount for
      subsequent investments in an IRA or similar plan will be waived if an
      investment would bring the investment for the year to the maximum amount
      permitted under the Code.
          Cash held in Legg Mason brokerage accounts of Fund shareholders may be
      invested in Government Money Market during regularly scheduled "sweeps" of
      such accounts made twice each month. (Brokerage accounts participating in
      the Premier Asset Management Account described on page 27 are swept daily
      for free credit balances of $100 or more and weekly for free credit
      balances of less than $100.) For purchases of shares through payroll
      deduction plans, a Fund's Future First Systematic Investment Plan and
      plans involving automatic payment of funds from financial institutions or
      automatic investment of dividends from certain unit investment trusts,
      minimum initial and subsequent investments are lower. Each Fund may change
      these minimum amount requirements at its discretion. You should always
      furnish your shareholder account number when making additional purchases
      of shares.
          There are three ways you can invest in Primary Shares:
1. THROUGH YOUR LEGG MASON OR AFFILIATED FINANCIAL ADVISOR
          Shares may be purchased through any Legg Mason or affiliated financial
      advisor. A financial advisor will be pleased to open an account for you,
      explain to you the shareholder services available from the Funds and
      answer any questions you may have. After you have established a Legg Mason
      or affiliated account, you can order shares from your financial advisor in
      person, by telephone or by mail.
          If you want to purchase shares by mail, send a check for $100 or more
      ($500 or more for Government Money Market), payable to:
          [insert complete Fund name]
          c/o Legg Mason Funds Processing
          P.O. Box 1476
          Baltimore, Maryland 21203-1476
20
 
<PAGE>
2. THROUGH THE FUTURE FIRST SYSTEMATIC INVESTMENT PLAN
          You may also buy shares through the Future First Systematic Investment
      Plan. Under this plan, you may arrange for automatic monthly investments
      in the Fund of $50 or more by authorizing Boston Financial Data Services
      ("BFDS"), the Funds' transfer agent, to transfer funds each month from
      your Legg Mason account or from your checking account. Please contact any
      Legg Mason or affiliated financial advisor for further information.
3. THROUGH AUTOMATIC INVESTMENTS
          Arrangements may be made with some employers and financial
      institutions, such as banks or credit unions, for regular automatic
      monthly investments of $50 or more in shares. In addition, it may be
      possible for dividends from certain unit investment trusts to be invested
      automatically in shares. Persons interested in establishing such automatic
      investment programs should contact the Funds through any Legg Mason or
      affiliated financial advisor.
          In addition to the above, you may also use the following method to
      invest in Government Money Market:
BY TELEPHONE OR WIRE TRANSFER OF FUNDS
          Once you have opened an account with the Fund, you may also purchase
      shares by telephone, using available cash balances in your Legg Mason or
      affiliated brokerage account, or by wire transfer of funds from your bank
      directly to Legg Mason. Please contact any Legg Mason or affiliated
      financial advisor for further information. Wire transfers may be subject
      to a service charge by your bank.
          Primary Share purchases of Government Intermediate, Investment Grade
      or High Yield will be processed at the net asset value next determined
      after your Legg Mason or affiliated financial advisor has received your
      order; payment must be made within three business days to Legg Mason.
      Orders for one of those Funds, received by your Legg Mason or affiliated
      financial advisor before the close of regular trading on the New York
      Stock Exchange ("Exchange") (normally 4:00 p.m. Eastern time) ("close of
      the Exchange") on any day the Exchange is open, will be executed at the
      net asset value determined as of the close of the Exchange on that day.
      Orders for one of those Funds, received by your Legg Mason or affiliated
      financial advisor after the close of the Exchange or on days the Exchange
      is closed, will be executed at the net asset value determined as of the
      close of the Exchange on the next day the Exchange is open.
          Shares of Government Money Market are issued at the net asset value
      next determined after receipt of a purchase order and payment in proper
      form. Many instruments in which the Fund invests must be paid for in
      immediately available money called "federal funds." Therefore, payments
      received from you for the purchase of shares in other than federal funds
      form will require conversion into federal funds before your purchase order
      may be executed. For checks, this normally will take two days but may take
      up to nine days. All checks are accepted subject to collection at full
      face value in federal funds and must be drawn in U.S. dollars on a
      domestic bank. If an order for shares of Government Money Market and
      payment in federal funds is received by your Legg Mason or affiliated
      financial advisor prior to 12:00 noon, Eastern time, on any day that the
      Exchange is open, the shares will be purchased and earn dividends on that
      day; if such an order is received at 12:00 noon or later, or on days the
      Exchange is closed, the shares will be purchased at the next determined
      net asset value and will earn dividends on the next day the Exchange is
      open. Purchases made by telephone from available cash balances in your
      Legg Mason or affiliated brokerage account or wire payments representing
      federal funds will normally be completed on the same or the next business
      day. See "How Net Asset Value is Determined," page 24.
          Each Fund reserves the right to reject any order for its shares or to
      suspend the offering of shares for a period of time.
HOW YOUR SHAREHOLDER ACCOUNT IS MAINTAINED
          When you initially purchase shares, a shareholder account is
      automatically established for you. Any shares that you purchase or receive
      as a dividend or other distribution will be credited directly to your
      account at the time of purchase or receipt. Shares may not be held in, or
      transferred to, an account with any brokerage firm other than
                                                                              21
 
<PAGE>
      Legg Mason or its affiliates. The Funds no longer issue share
      certificates.
HOW YOU CAN REDEEM YOUR PRIMARY SHARES

THE FOLLOWING REDEMPTION INFORMATION APPLIES TO GOVERNMENT INTERMEDIATE,
INVESTMENT GRADE AND HIGH YIELD:
          There are two ways you can redeem your Primary Shares of Government
      Intermediate, Investment Grade or High Yield. First, you may give your
      Legg Mason or affiliated financial advisor an order for repurchase of your
      shares. Please have the following information ready when you call: the
      name of the Fund, the number of shares (or dollar amount) to be redeemed
      and your shareholder account number. Second, you may send a written
      request for redemption to: [insert complete Fund name], c/o Legg Mason
      Funds Processing, P.O. Box 1476, Baltimore, Maryland 21203-1476.
          Requests for redemption in "good order," as described below, received
      by your Legg Mason or affiliated financial advisor before the close of the
      Exchange on any day when the Exchange is open, will be transmitted to
      BFDS, transfer agent for the Funds, for redemption at the net asset value
      per share determined as of the close of the Exchange on that day. Requests
      for redemption received by your Legg Mason or affiliated financial advisor
      after the close of the Exchange will be executed at the net asset value
      determined as of the close of the Exchange on its next trading day. A
      redemption request received by your Legg Mason or affiliated financial
      advisor may be treated as a request for repurchase and, if it is accepted
      by Legg Mason, your shares will be purchased at the net asset value per
      share determined as of the next close of the Exchange.
          Proceeds from your redemption normally will settle in your Legg Mason
      brokerage account two business days after trade date. The proceeds of your
      redemption or repurchase may be more or less than your original cost. If
      the shares to be redeemed or repurchased were paid for by check (including
      certified or cashier's checks) within 10 business days of the redemption
      or repurchase request, the proceeds will not be disbursed unless the Fund
      can be reasonably assured that the check has been collected.
          A redemption request will be considered to be received in "good order"
      only if:
          1. You have indicated in writing the number of Primary Shares (or
      dollar amount) to be redeemed, the complete Fund name and your shareholder
      account number;
          2. The written request is signed by you and by any co-owner of the
      account with exactly the same name or names used in establishing the
      account;
          3. The written request is accompanied by any certificates representing
      the shares that have been issued to you, and you have endorsed the
      certificates for transfer or an accompanying stock power exactly as the
      name or names appear on the certificates; and
          4. The signatures on the written redemption request and on any
      certificates for your shares (or an accompanying stock power) have been
      guaranteed without qualification by a national bank, a state bank, a
      member firm of a principal stock exchange or other entity described in
      Rule 17Ad-15 under the Securities Exchange Act of 1934.
THE FOLLOWING REDEMPTION INFORMATION APPLIES TO GOVERNMENT MONEY MARKET:
          All redemptions will be made in cash at the net asset value per share
      next determined after the receipt by the Fund of a redemption request in
      proper form either in writing or by telephone as described below. Requests
      for redemption received after 12:00 noon, Eastern time, will be executed
      on the next day the Exchange is open, at the net asset value next
      determined. However, payment of redemption proceeds for shares purchased
      by check and shares acquired through reinvestment of dividends on such
      shares may be delayed for up to 10 days after receipt of the check in
      order to allow time for the check to clear. Any of the following methods
      may be used to redeem shares of Government Money Market:
1. Redemption by Telephone
          Telephone redemptions may be made by calling your Legg Mason or
      affiliated financial advisor. The minimum amount for telephone redemptions
      is $100 unless you require a lesser amount to complete a transaction in
      your Legg Mason or affiliated brokerage account. Proceeds of redemptions
      requested by telephone will be transmitted only to you. They may be
      transferred by mail or
22
 
<PAGE>
      wire, at your direction (see below). Proceeds of redemptions authorized by
      telephone will be credited directly to your Legg Mason or affiliated
      brokerage account the same day. Wire transfers of proceeds to you from
      your Legg Mason or affiliated brokerage account will normally be
      transmitted the same day.
          To make a telephone redemption, you should call your Legg Mason or
      affiliated financial advisor and provide your name, the Fund's name, your
      Fund account number and the number of shares or dollar amount you wish to
      redeem. In the event that you are unable to reach your Legg Mason or
      affiliated financial advisor by telephone, you may make a redemption
      request by mail. There is no fee for telephone redemptions with the
      exception of wire redemptions by telephone, as described below.
          You may request by telephone that your shares be redeemed and the
      proceeds wired to your account at a commercial bank in the United States.
      In order to initiate a wire redemption by telephone, you must inform your
      Legg Mason or affiliated financial advisor of the name and address of your
      bank and your bank account number. If your designated bank is not a member
      of the Federal Reserve System, the proceeds will be wired to a member bank
      that has a correspondent relationship with your bank. The failure of the
      member bank immediately to notify your bank of the wire transfer could
      delay the crediting of redemption proceeds to your bank. An $18 fee for
      using the wire redemption service will be deducted by Legg Mason or its
      affiliate from the redemption proceeds that are wired to your bank.
2. Redemption by Check
          The Fund offers a free checkwriting service that permits you to write
      checks to anyone in amounts of $500 or more. The checks will be paid at
      the time they are received by BFDS for payment by redeeming the
      appropriate number of shares in your account; the shares will earn
      dividends until the check clears BFDS for payment. Please contact your
      Legg Mason or affiliated financial advisor for further information
      regarding this service.
3. Redemption by Mail
          You may request the redemption of your shares by sending a letter
      signed by all of the registered owners of the account to: "Legg Mason U.S.
      Government Money Market Portfolio, c/o Legg Mason Funds Processing, P.O.
      Box 1476, Baltimore, Maryland 21203-1476." Any stock certificates issued
      for the shares must be surrendered at the same time. For your protection,
      certificates, if any, should be sent by registered mail. On all requests
      for the redemption of shares valued at $10,000 or more, or when the
      proceeds of the redemption are to be paid to someone other than you, your
      signature must have been guaranteed without qualification by a national
      bank, a state bank, a member firm of a principal stock exchange, or other
      entity described in Rule 17Ad-15 under the Securities Exchange Act of
      1934. Legg Mason or its affiliates may request further documentation from
      corporations, executors, partnerships, administrators, trustees or
      custodians. Checks normally will be mailed within three business days of
      receipt of a proper redemption request to your address of record or, in
      accordance with your written request, to some other person.
4. Redemption to Pay for Securities Purchases at Legg Mason
          Legg Mason has established special redemption procedures for Fund
      shareholders who wish to purchase stocks, bonds or other securities at
      Legg Mason. You may place an order to buy securities through your Legg
      Mason or affiliated financial advisor and, in the absence of any
      indication that you wish to make payment in another manner, Fund shares
      will be redeemed on the settlement date for the amount due. Fund shares
      may also be redeemed by Legg Mason to cover debit balances in your
      brokerage account. Contact your Legg Mason or affiliated financial advisor
      for details.
FOR EACH FUND:
          Other supporting legal documents may be required from corporations or
      other organizations, fiduciaries or persons other than the shareholder of
      record making the request for redemption or repurchase. If you have a
      question concerning the redemption of shares, contact your Legg Mason or
      affiliated financial advisor.
                                                                              23
 
<PAGE>
          The Funds will not be responsible for the authenticity of redemption
      instructions received by telephone, provided they follow reasonable
      procedures to identify the caller. The Funds may request identifying
      information from callers or employ identification numbers. The Funds may
      be liable for losses due to unauthorized or fraudulent instructions if
      they do not follow reasonable procedures. Telephone redemption privileges
      are available automatically to all shareholders unless certificates have
      been issued. Shareholders who do not wish to have telephone redemption
      privileges should call their Legg Mason or affiliated financial advisor
      for further instructions.
          To redeem your Legg Mason retirement account, a Distribution Request
      Form must be completed and returned to Legg Mason Client Services for
      processing. This form can be obtained through your Legg Mason or
      affiliated financial advisor or Legg Mason Client Services in Baltimore,
      Maryland. Upon receipt of your form, your shares will be redeemed at the
      net asset value per share determined as of the next close of the Exchange.
          To the extent permitted by law, each Fund reserves the right to take
      up to seven days to make payment upon redemption if, in the judgment of
      the Adviser, the respective Fund could be adversely affected by immediate
      payment. (The Statement of Additional Information describes several other
      circumstances in which the date of payment may be postponed or the right
      of redemption suspended.)
          Because of the relatively high cost of maintaining small accounts,
      each Fund may elect to close any account with a current value of less than
      $500 by redeeming all of the shares in the account and mailing the
      proceeds to you. However, the Funds will not redeem accounts that fall
      below $500 solely as a result of a reduction in net asset value per share.
      If a Fund elects to redeem the shares in your account, you will be
      notified that your account is below $500 and will be allowed 60 days in
      which to make an additional investment in order to avoid having your
      account closed.
HOW NET ASSET VALUE IS DETERMINED

FOR GOVERNMENT INTERMEDIATE, INVESTMENT GRADE AND HIGH YIELD:
          Net asset value per Primary Share is determined daily, as of the close
      of the Exchange, on every day that the Exchange is open, by subtracting
      the liabilities attributable to Primary Shares from the total assets
      attributable to such shares and dividing the result by the number of
      Primary Shares outstanding. Securities owned by the Funds for which market
      quotations are readily available are valued at current market value. In
      the absence of readily available market quotations, securities are valued
      at fair value as determined by the Corporation's Board of Directors. With
      respect to High Yield, where a security is traded on more than one market,
      which may include foreign markets, the securities are generally valued on
      the market considered by the Adviser to be the primary market. Securities
      with remaining maturities of 60 days or less are valued at amortized cost.
      The Fund will value its foreign securities in U.S. dollars on the basis of
      the then-prevailing exchange rates.
FOR GOVERNMENT MONEY MARKET:
          Net asset value per Fund share is determined twice daily, as of 12:00
      noon, Eastern time, and the close of business of the Exchange, on every
      day that the Exchange is open, by subtracting the Fund's liabilities from
      its total assets and dividing the result by the number of shares
      outstanding. The Fund attempts to maintain a per share net asset value of
      $1.00 by using the amortized cost method of valuation. The Fund cannot
      guarantee that net asset value will always remain at $1.00 per share.
DIVIDENDS AND OTHER DISTRIBUTIONS
          Each Fund declares dividends to holders of Primary Shares out of its
      investment company taxable income attributable to those shares, which
      consists of net investment income and net short-term capital gain. With
      respect to Government Intermediate, Investment Grade and Government Money
      Market, dividends from net investment income are declared daily and paid
      monthly. For High Yield, dividends from net investment income are declared
      and paid monthly. Shareholders of
24
 
<PAGE>
      Government Intermediate, Investment Grade and High Yield begin to earn
      dividends on their Fund shares as of settlement date, which is normally
      the third business day after their orders are placed with their Legg Mason
      or affiliated financial advisor. With respect to Government Intermediate,
      Investment Grade and High Yield, dividends from net short-term capital
      gain and distributions of substantially all net capital gain (the excess
      of net long-term capital gain over net short-term capital loss) and, in
      the case of High Yield, net realized gains from foreign currency
      transactions, generally are declared and paid after the end of the taxable
      year in which the gain is realized. A second distribution of net capital
      gain may be necessary in some years to avoid imposition of the excise tax
      described under the heading "Additional Tax Information" in the Statement
      of Additional Information. Since Government Money Market's policy is,
      under normal circumstances, to hold portfolio securities to maturity and
      to value portfolio securities at amortized cost, it does not expect to
      realize any capital gain or loss. If the Fund does realize any net
      short-term capital gains, it will distribute them at least once every 12
      months.
          Dividends and other distributions, if any, on Primary Shares of a Fund
      held in an IRA, Keogh Plan, SEP, SIMPLE or other qualified retirement plan
      and by shareholders maintaining a Systematic Withdrawal Plan generally are
      reinvested in Primary Shares of that Fund on the payment dates. Other
      shareholders may elect to:
          1. Receive both dividends and other distributions in Primary Shares of
      the distributing Fund;
          2. Receive dividends in cash and other distributions in Primary Shares
      of the distributing Fund;
          3. Receive dividends in Primary Shares of the distributing Fund and
      other distributions in cash; or
          4. Receive both dividends and other distributions in cash.
          If a shareholder has elected to receive dividends and/or other
      distributions in cash and the postal or other delivery service is unable
      to deliver checks to the shareholder's address of record, such
      shareholder's distribution option will automatically be converted to
      having all dividends and other distributions reinvested in additional
      shares. No interest will accrue on amounts represented by uncashed
      distribution or redemption checks.
          In certain cases, shareholders may reinvest dividends and other
      distributions in the corresponding class of shares of another Legg Mason
      fund. Please contact your Legg Mason or affiliated financial advisor for
      additional information about this option.
          If no election is made, both dividends and other distributions are
      credited to your account in Primary Shares of the distributing Fund at the
      net asset value of the shares determined as of the close of the Exchange
      on the reinvestment date. Shares received pursuant to any of the first
      three (reinvestment) elections above also are credited to your account at
      that net asset value. If you elect to receive dividends and/or other
      distributions in cash, you will be sent a check or will have your Legg
      Mason account credited after the payment date. You may elect at any time
      to change your option by notifying the applicable Fund in writing at:
      [insert complete Fund name], c/o Legg Mason Funds Processing, P.O. Box
      1476, Baltimore, Maryland 21203-1476. Your election must be received at
      least 10 days before the record date in order to be effective for
      dividends and other distributions paid to shareholders as of that date.
TAX TREATMENT OF DIVIDENDS AND OTHER DISTRIBUTIONS
          Each Fund intends to continue to qualify for treatment as a regulated
      investment company under the Code so that it will be relieved of federal
      income tax on that part of its investment company taxable income and net
      capital gain that is distributed to its shareholders.
          Dividends from a Fund's investment company taxable income (whether
      paid in cash or reinvested in Primary Shares) are taxable to its
      shareholders (other than IRAs, Keogh Plans, SEPs, SIMPLEs, other qualified
      retirement plans and other tax-exempt investors) as ordinary income to the
      extent of the Fund's earnings and profits. Distributions of a Fund's net
      capital gain (whether paid in cash or reinvested in Primary Shares), when
      designated as such, are taxable to those shareholders as long-term capital
      gain, regardless of how long they have held their Fund shares.
          Each Fund sends its shareholders a notice following the end of each
      calendar year specifying, among other things, the amounts of all dividends
                                                                              25
 
<PAGE>
      and other distributions paid (or deemed paid) during that year. Each Fund
      is required to withhold 31% of all dividends, and each Fund other than
      Government Money Market is required to withhold 31% of all capital gain
      distributions and redemption proceeds, payable to any individuals and
      certain other noncorporate shareholders who do not provide the Fund with a
      certified taxpayer identification number. Each Fund also is required to
      withhold 31% of all dividends, and each Fund other than Government Money
      Market is required to withhold 31% of all capital gain distributions,
      payable to such shareholders who otherwise are subject to backup
      withholding.
FOR GOVERNMENT INTERMEDIATE, INVESTMENT GRADE AND HIGH YIELD:
          A redemption of Primary Shares may result in taxable gain or loss to
      the redeeming shareholder, depending on whether the redemption proceeds
      are more or less than the shareholder's adjusted basis for the redeemed
      shares. An exchange of Primary Shares for shares of another Legg Mason
      fund generally will have similar tax consequences. See "Shareholder
      Services -- Exchange Privilege." If Fund shares are purchased within 30
      days before or after redeeming at a loss other shares of the same Fund
      (regardless of class), all or part of that loss will not be deductible and
      instead will increase the basis of the newly purchased shares.
          A dividend or other distribution paid shortly after shares have been
      purchased, although in effect a return of investment, is subject to
      federal income tax. Accordingly, an investor should recognize that a
      purchase of Primary Shares immediately prior to the record date for a
      dividend or other distribution could cause the investor to incur tax
      liabilities and should not be made solely for the purpose of receiving the
      dividend or other distribution.
          The foregoing is only a summary of some of the important federal tax
      considerations generally affecting each Fund and its shareholders; see the
      Statement of Additional Information for a further discussion. In addition
      to federal income tax, you may also be subject to state and local income
      taxes on distributions from the Funds, depending on the laws of your home
      state and locality, though the portion of the dividends paid by each Fund
      attributable to direct U.S. government obligations is not subject to state
      and local income taxes in most jurisdictions. Each Fund's annual notice to
      shareholders regarding the amount of dividends identifies this portion.
      Prospective shareholders are urged to consult their tax advisers with
      respect to the effects of this investment on their own tax situations.
SHAREHOLDER SERVICES

CONFIRMATIONS AND REPORTS
          You will receive from Legg Mason a confirmation after each transaction
      involving Primary Shares of Government Intermediate, Investment Grade and
      High Yield (except a reinvestment of dividends, capital gain distributions
      and shares purchased through the Future First Systematic Investment Plan
      or through automatic investments).
          An account statement will be sent to you monthly unless there has been
      no activity in the account or you are purchasing shares through the Future
      First Systematic Investment Plan or through automatic investments, in
      which case an account statement will be sent quarterly. Reports will be
      sent to each Fund's shareholders at least semiannually showing its
      portfolio and other information; the annual report will contain financial
      statements audited by the Corporation's independent accountants.
          Shareholder inquiries should be addressed to: [insert complete Fund
      name], c/o Legg Mason Funds Processing, P.O. Box 1476, Baltimore, Maryland
      21203-1476.
SYSTEMATIC WITHDRAWAL PLAN
          You may elect to make systematic withdrawals from your Fund account of
      a minimum of $50 on a monthly basis if you are purchasing or already own
      shares with a net asset value of $5,000 or more. Shareholders should not
      purchase shares of a Fund while they are participating in the Systematic
      Withdrawal Plan with respect to that Fund. Please contact your Legg Mason
      or affiliated financial advisor for further information.
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LEGG MASON PREMIER ASSET MANAGEMENT ACCOUNT
(GOVERNMENT MONEY MARKET ONLY)
          Shareholders may participate in Legg Mason's Premier Asset Management
      Account, which combines the Fund account, a preferred customer VISA Gold
      debit card, a Legg Mason brokerage account with margin borrowing
      availability and unlimited checks with no minimum check amount. Other
      services include automatic transfer of free credit balances in a
      participant's brokerage account to the Fund account and automatic
      redemption of Fund shares to offset debit balances in the participant's
      brokerage account. Legg Mason charges an annual fee for the Premier Asset
      Management Account, which is currently $85 for individuals and $100 for
      corporations and businesses. For further information, contact your Legg
      Mason or affiliated financial advisor.
EXCHANGE PRIVILEGE
          As a Fund shareholder, you are entitled to exchange your Primary
      Shares of a Fund for the corresponding class of shares of any of the Legg
      Mason Funds, provided that such shares are eligible for sale in your state
      of residence.
          Investments by exchange into the Legg Mason funds sold without an
      initial sales charge are made at the per share net asset value determined
      on the same business day as redemption of the Fund shares you wish to
      exchange. Investments by exchange into the Legg Mason funds sold with an
      initial sales charge are made at the per share net asset value, plus the
      applicable sales charge, determined on the same business day as redemption
      of the Fund shares you wish to redeem; except that no sales charge will be
      imposed upon proceeds from the redemption of Fund shares to be exchanged
      that were originally purchased by exchange from a fund on which the same
      or higher initial sales charge previously was paid. There is no charge for
      the exchange privilege, but each Fund reserves the right to terminate or
      limit the exchange privilege of any shareholder who makes more than four
      exchanges from that Fund in one calendar year. To obtain further
      information concerning the exchange privilege and prospectuses of other
      Legg Mason funds, or to make an exchange, please contact your Legg Mason
      or affiliated financial advisor. To effect an exchange by telephone,
      please call your Legg Mason or affiliated financial advisor with the
      information described in the section "How You Can Redeem Your Primary
      Shares," page 22. The other factors relating to telephone redemptions
      described in that section apply also to telephone exchanges. Please read
      the prospectus for the other fund(s) carefully before you invest by
      exchange. Each Fund reserves the right to modify or terminate the exchange
      privilege upon 60 days' notice to shareholders.
THE CORPORATION'S BOARD OF DIRECTORS, MANAGER AND INVESTMENT ADVISER
BOARD OF DIRECTORS
          The business and affairs of each Fund are managed under the direction
      of the Corporation's Board of Directors.
MANAGER
          Pursuant to separate management agreements with each Fund (each a
      "Management Agreement"), which were approved by the Corporation's Board of
      Directors, Legg Mason Fund Adviser, Inc., serves as each Fund's manager.
      The Manager manages the non-investment affairs of each Fund, directs all
      matters related to the operation of the Funds and provides office space
      and administrative staff for the Funds. Each Fund pays the Manager,
      pursuant to its Management Agreement, a management fee equal to the
      following annual rates of its average daily net assets: Government
      Intermediate, 0.55%; Investment Grade, 0.60%; High Yield, 0.65%; and
      Government Money Market, 0.50%. The Manager has agreed that until May 1,
      1998 or when Government Intermediate reaches net assets of $400 million,
      whichever occurs first, it will continue to waive fees to the extent the
      Fund's expenses attributable to Primary Shares (exclusive of taxes,
      interest, brokerage and extraordinary expenses) exceed during any month an
      annual rate of 1.00% of the Fund's average daily net assets attributable
      to Primary Shares for such month. If the Fund's assets total $400 million
      before May 1, 1998, the Manager has agreed not to increase this "cap" by
      more than 10 basis points. The Manager does not anticipate that the Fund's
      assets will total $400 million before May 1, 1998, although there can be
      no assurance that this will
                                                                              27
 
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      be the case. After waiver by the Manager of its fees, the Fund's total
      operating expenses for the year ended December 31, 1996 were 0.98% of
      average daily net assets. The Manager has also agreed that until May 1,
      1998 or when Investment Grade reaches net assets of $150 million,
      whichever occurs first, it will continue to waive fees to the extent the
      Fund's expenses attributable to Primary Shares (exclusive of taxes,
      interest, brokerage and extraordinary expenses) exceed during any month an
      annual rate of 1.00% of the Fund's average daily net assets attributable
      to Primary Shares for such month. After waiver by the Manager of its fees,
      the Fund's total operating expenses for the year ended December 31, 1996
      were 0.97% of average daily net assets. These agreements are voluntary and
      may or may not be renewed by the Manager. Waiver by the Manager reduces a
      Fund's expenses and increases its yield and total return. For the year
      ended December 31, 1996, total operating expenses of High Yield and
      Government Money Market were 1.35% and 0.66% of average daily net assets,
      respectively.
          The Manager acts as investment adviser, manager or consultant to
      eighteen investment company portfolios which had aggregate assets under
      management of over $7.0 billion as of March 31, 1997. The Manager's
      address is 111 South Calvert Street, Baltimore, Maryland 21202.
          The Manager has taken steps that it believes are reasonably designed
      to address the potential failure of computer programs used by the Manager
      and the Funds' service providers to address the Year 2000 issue. There can
      be no assurance that these steps will be sufficient to avoid any adverse
      impact.
INVESTMENT ADVISER
          Western Asset Management Company serves as investment adviser to each
      Fund pursuant to the terms of an Investment Advisory Agreement with the
      Manager, which was approved by the Corporation's Board of Directors. The
      Adviser manages the investment and other affairs of each Fund and directs
      the investments of each Fund in accordance with its investment objective,
      policies and limitations. For these services, the Manager (not the Funds)
      pays the Adviser a fee, computed daily and payable monthly, at an annual
      rate equal to: 0.20% of Government Intermediate's average daily net
      assets, not to exceed the fee paid to the Manager; 40% of the fee received
      by the Manager, or 0.24% of Investment Grade's average daily net assets;
      77% of the fee received by the Manager, or 0.50% of High Yield's average
      daily net assets; and 30% of the fee received by the Manager, or 0.15% of
      Government Money Market's average daily net assets.
          An investment committee has been responsible for the day-to-day
      management of each Fund since its inception.
          The Adviser renders investment advice to sixteen open-end investment
      companies and one closed-end investment company, which together had
      aggregate assets under management of approximately $4.3 billion as of
      March 31, 1997. The Adviser also renders investment advice to private
      accounts with fixed income assets under management of approximately $22.6
      billion as of that date. The address of the Adviser is 117 East Colorado
      Boulevard, Pasadena, California 91105.
          The Adviser has managed fixed income portfolios continuously since its
      founding in 1971, and has focused exclusively on such accounts since 1984.
          In managing fixed-income portfolios, the Adviser first studies the
      range of factors that influence interest rates and develops a long-term
      interest rate forecast. It then allocates available funds to those sectors
      of the market (for example, government, corporate, or mortgage-backed
      securities), which it considers most attractive. Then it selects the
      specific issues which it believes represent the best values. All three
      decisions are integral parts of the Adviser's portfolio management process
      and contribute to its performance record.
THE FUNDS' DISTRIBUTOR
          Legg Mason is the distributor of the Funds' shares pursuant to
      separate Underwriting Agreements with each Fund. The Underwriting
      Agreements obligate Legg Mason to pay certain expenses in connection with
      the offering of shares of each Fund, including any compensation to its
      financial advisors, the printing and distribution of prospectuses,
      statements of additional information and periodic reports used in
      connection with the offering to prospective investors, after the
      prospectuses, statements of additional information and
28
 
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      reports have been prepared, set in type and mailed to existing
      shareholders at the Fund's expense, and for any supplementary sales
      literature and advertising costs.
          The Board of Directors of the Corporation has adopted Distribution and
      Shareholder Services Plans (each a "Plan") pursuant to Rule 12b-1 under
      the Investment Company Act of 1940 ("1940 Act") for each Fund. The Plans
      provide that as compensation for Legg Mason's ongoing services to
      investors in Primary Shares and its activities and expenses related to the
      sale and distribution of Primary Shares, Government Intermediate,
      Investment Grade and High Yield each pay Legg Mason, from the assets
      attributable to Primary Shares, an annual distribution fee and an annual
      service fee, each of which is equal to 0.25% of that Fund's average daily
      net assets. With respect to Government Money Market, Legg Mason may
      receive payments at an annual rate of up to 0.20% of its average daily net
      assets. However, Legg Mason has agreed that it will not request payment of
      more than 0.10% annually from the Fund during the first two years
      following implementation of the Plan. Effective January 10, 1997,
      Government Money Market began compensating Legg Mason for distribution
      costs and services at this 0.10% annual rate. The distribution fee and the
      service fee are computed daily and paid monthly. The fees received by Legg
      Mason during any year may be more or less than its costs of providing
      distribution and shareholder services for Primary Shares. The offering of
      shares normally is continuous.
          NASD rules limit the amount of annual distribution and service fees
      that may be paid by mutual funds and impose a ceiling on the cumulative
      distribution fees paid. Each Fund's Plan complies with those rules.
          Legg Mason is a wholly owned subsidiary of Legg Mason, Inc., which is
      also the parent of the Manager and Adviser. Legg Mason receives a fee from
      BFDS for assisting it with its transfer agent and shareholder servicing
      functions; for the year ended December 31, 1996, Legg Mason received
      $46,000, $20,000, $29,000 and $85,000 for performing such services in
      connection with Government Intermediate, Investment Grade, High Yield and
      Government Money Market, respectively.
          The Chairman, President and Treasurer of the Corporation are employed
      by Legg Mason.
DESCRIPTION OF THE CORPORATION AND ITS SHARES
          The Corporation is a diversified open-end investment company which was
      incorporated in Maryland on April 28, 1987. The Articles of Incorporation
      of the Corporation permit the Board of Directors to create additional
      series (or portfolios), each of which may issue separate classes of
      shares. There are currently four portfolios of the Corporation. While
      additional series may be created in the future, there is no intention at
      this time to form any particular additional series.
          The Corporation has authorized one billion shares of common stock, par
      value $0.001 per share. Government Intermediate, Investment Grade and High
      Yield currently offer two Classes of Shares -- Class A (known as "Primary
      Shares") and Class Y (known as "Navigator Shares"). The two Classes
      represent interests in the same pool of assets. A separate vote is taken
      by a Class of Shares of a Fund if a matter affects just that Class of
      Shares. Each Class of Shares may bear certain differing Class-specific
      expenses. Salespersons and others entitled to receive compensation for
      selling or servicing Fund shares may receive more with respect to one
      Class than another.
          Navigator Shares are currently offered for sale only to institutional
      clients of Fairfield for investment of their own funds and funds for which
      they act in a fiduciary capacity, to clients of Trust Company for which
      Trust Company exercises discretionary investment management
      responsibility, to qualified retirement plans managed on a discretionary
      basis and having net assets of at least $200 million, to clients of
      Bartlett who, as of December 19, 1996, were shareholders of Bartlett Short
      Term Bond Fund or Bartlett Fixed Income Fund and for whom Bartlett acts as
      an ERISA fiduciary, and to The Legg Mason Profit Sharing Plan and Trust.
      The initial and subsequent investment minimums for Navigator Shares are
      $50,000 and $100, respectively. Investments in Navigator Shares may be
      made through financial advisors of Fairfield Group, Inc., Horsham,
      Pennsylvania, or Legg Mason.
                                                                              29
 
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          Each Fund pays no Rule 12b-1 fee with respect to Navigator Shares.
      With respect to the Navigator Class of High Yield, the per share net asset
      value of Navigator Shares, and dividends paid to Navigator shareholders,
      are generally expected to be higher than those of Primary Shares, because
      of the lower expenses attributable to Navigator Shares. The per share net
      asset value of the classes of shares of High Yield will tend to converge,
      however, immediately after the payment of ordinary income dividends.
      Navigator Shares of a Fund may be exchanged for the corresponding class of
      shares of certain other Legg Mason funds. Investments by exchange into the
      other Legg Mason funds are made at the per share net asset value
      determined on the same business day as redemption of the Navigator Shares
      the investors wish to redeem.
          The Board of Directors of the Corporation does not anticipate that
      there will be any conflicts among the interests of the holders of the
      different Classes of Fund shares. On an ongoing basis, the Board will
      consider whether any such conflict exists and, if so, take appropriate
      action.
          Shareholders of the Funds are entitled to one vote per share and
      fractional votes for fractional shares held. Voting rights are not
      cumulative. All shares of the Funds are fully paid and nonassessable and
      have no preemptive or conversion rights.
          Shareholders' meetings will not be held except where the 1940 Act
      requires a shareholder vote on certain matters (including the election of
      directors, approval of an advisory contract, and approval of a plan of
      distribution pursuant to Rule 12b-1). The Corporation will call a special
      meeting of the shareholders at the request of 10% or more of the shares
      entitled to vote; shareholders wishing to call such a meeting should
      submit a written request to their respective Fund at 111 South Calvert
      Street, Baltimore, Maryland 21202, stating the purpose of the proposed
      meeting and the matters to be acted upon.
          Each Fund acknowledges that it is solely responsible for the
      information or any lack of information about it in this joint Prospectus
      and in the joint Statement of Additional Information, and no other Fund is
      responsible therefor. There is a possibility that one Fund might be deemed
      liable for misstatements or omissions regarding another Fund in this
      Prospectus or in the joint Statement of Additional Information; however,
      the Funds deem this possibility slight.
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APPENDIX

RATINGS OF SECURITIES

DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC. ("MOODY'S") CORPORATE BOND
RATINGS:
          Aaa -- Bonds which are rated Aaa are judged to be of the best quality.
      They carry the smallest degree of investment risk and are generally
      referred to as "gilt edge". Interest payments are protected by a large or
      exceptionally stable margin and principal is secure. While the various
      protective elements are likely to change, such changes as can be
      visualized are most unlikely to impair the fundamentally strong position
      of such issues.
          Aa -- Bonds which are rated Aa are judged to be of high quality by all
      standards. Together with the Aaa group they comprise what are generally
      known as high-grade bonds. They are rated lower than the best bonds
      because margins of protection may not be as large as in Aaa securities or
      fluctuation of protective elements may be of greater amplitude or there
      may be other elements present which make the long-term risks appear
      somewhat larger than the Aaa securities.
          A -- Bonds which are rated A possess many favorable investment
      attributes and are to be considered upper-medium-grade obligations.
      Factors giving security to principal and interest are considered adequate,
      but elements may be present which suggest a susceptibility to impairment
      some time in the future.
          Baa -- Bonds which are rated Baa are considered medium-grade
      obligations, (i.e., they are neither highly protected nor poorly secured).
      Interest payments and principal security appear adequate for the present
      but certain protective elements may be lacking or may be
      characteristically unreliable over any great length of time. Such bonds
      lack outstanding investment characteristics and in fact have speculative
      characteristics as well.
          Ba -- Bonds which are rated Ba are judged to have speculative
      elements; their future cannot be considered well-assured. Often the
      protection of interest and principal payments may be very moderate, and
      thereby not well safeguarded during both good and bad times over the
      future. Uncertainty of position characterizes bonds in this class.
          B -- Bonds which are rated B generally lack characteristics of the
      desirable investment. Assurance of interest and principal payments or
      maintenance of other terms of the contract over any long period of time
      may be small.
          Caa -- Bonds which are rated Caa are of poor standing and may be in
      default or there may be present elements of danger with respect to
      principal or interest.
          Ca -- Bonds which are rated Ca represent obligations which are
      speculative in a high degree and are often in default or have other marked
      shortcomings.
          C -- Bonds which are rated C are the lowest rated class of bonds and
      can be regarded as having extremely poor prospects of ever attaining any
      real investment standing.
DESCRIPTION OF STANDARD & POOR'S ("S&P") CORPORATE BOND RATINGS:
          AAA -- This is the highest rating assigned by S&P to an obligation.
      Capacity to pay interest and repay principal is extremely strong.
          AA -- Bonds rated AA have a very strong capacity to pay interest and
      repay principal and differ from the higher rated issues only in small
      degree.
          A -- Bonds rated A have a strong capacity to pay interest and repay
      principal, although they are somewhat more susceptible to the adverse
      effects of changes in circumstances and economic conditions than debt in
      higher categories.
          BBB -- Bonds rated BBB are regarded as having an adequate capacity to
      pay principal and interest. Whereas they normally exhibit adequate
      protection parameters, adverse economic conditions or changing
      circumstances are more likely to lead to a weakened capacity to pay
      interest and repay principal for bonds in this category than for bonds in
      higher rated categories.
          BB, B, CCC, CC -- Bonds rated BB, B, CCC and CC are regarded, on
      balance, as predominately speculative with respect to the issuer's
      capacity to pay interest and repay principal in accordance with the terms
      of the obligation. BB indicates the lowest degree of speculation and CC
      the highest degree of speculation. While such bonds will likely have some
      quality and protective characteristics, these are outweighed by large
                                                                              31

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      uncertainties or major risk exposures to adverse conditions.
          C -- Bonds on which no interest is being paid are rated C.
          D -- Bonds rated D are in payment default and payment of interest
      and/or repayment of principal is in arrears.
DESCRIPTION OF MOODY'S PREFERRED STOCK RATINGS:
          aaa -- An issue which is rated "aaa" is considered to be a top-quality
      preferred stock. This rating indicates good asset protection and the least
      risk of dividend impairment within the universe of preferred stocks.
          aa -- An issue which is rated "aa" is considered a high-grade
      preferred stock. This rating indicates that there is a reasonable
      assurance that earnings and asset protection will remain relatively
      well-maintained in the foreseeable future.
          a -- An issue which is rated "a" is considered to be an
      upper-medium-grade preferred stock. While risks are judged to be somewhat
      greater than in the "aaa" and "aa" classification, earnings and asset
      protection are, nevertheless, expected to be maintained at adequate
      levels.
          baa -- An issue which is rated "baa" is considered to be a
      medium-grade preferred stock, neither highly protected nor poorly secured.
      Earnings and asset protection appear adequate at present but may be
      questionable over any great length of time.
          ba -- An issue which is rated "ba" is considered to have speculative
      elements and its future cannot be considered well assured. Earnings and
      asset protection may be very moderate and not well safeguarded during
      adverse periods. Uncertainty of position characterizes preferred stocks in
      this class.
          b -- An issue which is rated "b" generally lacks the characteristics
      of a desirable investment. Assurance of dividend payments and maintenance
      of other terms of the issue over any long period of time may be small.
          caa -- An issue which is rated "caa" is likely to be in arrears on
      dividend payments. This rating designation does not purport to indicate
      the future status of payments.
          ca -- An issue which is rated "ca" is speculative in a high degree and
      is likely to be in arrears on dividends with little likelihood of eventual
      payments.
          c -- This is the lowest rated class of preferred stock or preference
      stock. Issues so rated can be regarded as having extremely poor prospects
      of ever attaining any real investment standing.
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