PRICE T ROWE NEW INCOME FUND INC
497, 1998-05-13
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<PAGE>
 
 PROSPECTUS

   October 1, 1997, revised to May 13, 1998    

New Income Fund
 
 A bond fund for investors willing to assume principal risk to achieve an
 attractive level of income.
 
 RAM LOGO
 T.   Rowe Price
<PAGE>
 
FACTS AT A GLANCE
New Income Fund
 
 
Investment Goal
The highest level of income consistent with the preservation of capital over
time through investments primarily in marketable debt securities.
 
As with all mutual funds, there is no guarantee this fund will achieve its
goal.
 
 
Strategy
Invests at least 80% of assets in income-producing investment-grade debt
securities. No maturity restrictions, but the fund's average portfolio maturity
is expected to be from four to 15 years.
 
 
Risk/Reward
Potential for moderate to high income with commensurate share price
fluctuation.
 
 
Investor Profile
Investors willing to accept principal risk to achieve a higher level of income
than is offered by money market or short-term bond funds. Appropriate for
regular and tax-deferred accounts, such as IRAs.
 
 
Fees and Charges
100% no load. No fees or charges to buy or sell shares or to reinvest
dividends; no 12b-1 marketing fees; free telephone exchange among T. Rowe Price
funds.
 
 
Investment Manager
Founded in 1937 by the late Thomas Rowe Price, Jr., T. Rowe Price Associates,
Inc. ("T. Rowe Price") and its affiliates managed approximately $117 billion
for more than five million individual and institutional investor accounts as of
June 30, 1997.
<PAGE>
 
T. Rowe Price New Income Fund, Inc.
 
Prospectus
 
   October 1, 1997, revised to May 13, 1998    

This prospectus contains information you should know before investing. Please
keep it for future reference. A Statement of Additional Information about the
fund, dated October 1, 1997, has been filed with the Securities and Exchange
Commission and is incorporated by reference in this prospectus. To obtain a free
copy, call 1-800-638-5660.

    
Mutual fund shares are not deposits or obligations of, or guaranteed by, any
depository institution. Shares are not insured by the FDIC, Federal Reserve, or
any other agency, and are subject to investment risks, including possible loss
of the principal amount invested.    

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION PASSED UPON
THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY
IS A CRIMINAL OFFENSE.
<PAGE>
 
 
<TABLE>
CONTENTS
<CAPTION>
<S>      <C>  <C>                                     <C>
1             ABOUT THE FUND
              Transaction and Fund Expenses               2
              ---------------------------------------------
              Financial Highlights                        3
              ---------------------------------------------
              Fund, Market, and Risk Characteristics      4
              ---------------------------------------------
 
2             ABOUT YOUR ACCOUNT
              Pricing Shares and Receiving               10
              Sale Proceeds
              ---------------------------------------------
              Distributions and Taxes                    11
              ---------------------------------------------
              Transaction Procedures and                 13
              Special Requirements
              ---------------------------------------------
 
3             MORE ABOUT THE FUND
              Organization and Management                16
              ---------------------------------------------
              Understanding Performance Information      18
              ---------------------------------------------
              Investment Policies and Practices          19
              ---------------------------------------------
 
4             INVESTING WITH T. ROWE PRICE
              Account Requirements                       28
              and Transaction Information
              ---------------------------------------------
              Opening a New Account                      28
              ---------------------------------------------
              Purchasing Additional Shares               30
              ---------------------------------------------
              Exchanging and Redeeming                   30
              ---------------------------------------------
              Rights Reserved by the Fund                32
              ---------------------------------------------
              Shareholder Services                       32
              ---------------------------------------------
              Discount Brokerage                         34
              ---------------------------------------------
              Investment Information                     35
              ---------------------------------------------
</TABLE>
 
 
 ABOUT THE FUND                                        1
 
 
 TRANSACTION AND FUND EXPENSES
 ----------------------------------------------------------
 
   o Like all T. Rowe Price funds, this fund is 100% no load.
 
   These tables should help you understand the kinds of expenses you will bear
   directly or indirectly as a fund shareholder.
 
   Shareholder Transaction Expenses in Table 1 shows that you pay no sales
   charges. All the money you invest in the fund goes to work for you, subject
   to the fees explained below. Annual Fund Expenses provides an estimate of how
   much it will cost to operate the fund for a year, based on 1997 fiscal year
   expenses. These are
<PAGE>
 
   costs you pay indirectly because they are deducted from the fund's total
   assets before the daily share price is calculated and before dividends and
   other distributions are made. In other words, you will not see these expenses
   on your account statement.
 
<TABLE>
 Table 1
<CAPTION>
<S>                                  <C>   <C>                              <C>                         <C>
Shareholder Transaction                                                     Percentage of Fiscal 1997
Expenses                                   Annual Fund Expenses             Average Net Assets
Sales charge "load" on purchases     None  Management fee                   0.48%
                                     -------------------------------------------------------------------
Sales charge "load" on reinvested    None  Marketing fees (12b-1)           None
distributions
                                     -------------------------------------------------------------------
Redemption fees                      None  Total other (shareholder servic  0.26%
                                           ing, custodial, auditing, etc.)
                                     -------------------------------------------------------------------
Exchange fees                        None  Total fund expenses              0.74%
- -------------------------------------------------------------------------------------------------------------
</TABLE>
 
 
Note:
A $5 fee is charged for wire redemptions under $5,000, subject to change without
notice, and a $10 fee is charged for small accounts when applicable (see Small
Account Fee under Transaction Procedures and Special Requirements).
 
   The main types of expenses, which all mutual funds may charge against fund
   assets, are:
 
  . A management fee The percent of fund assets paid to the fund's investment
   manager. The fund's fee comprises a group fee, 0.33% as of May 31, 1997, and
   an individual fund fee of 0.15%.
 
  . "Other" administrative expenses Primarily the servicing of shareholder
   accounts, such as providing statements and reports, disbursing dividends, and
   providing custodial services.
 
  . Marketing or distribution fees An annual charge ("12b-1") to existing
   shareholders to defray the cost of selling shares to new shareholders. T.
   Rowe Price funds do not levy 12b-1 fees.
 
   For further details on fund expenses, please see Organization and Management.
 
  . Hypothetical example Assume you invest $1,000, the fund returns 5% annually,
   expense ratios remain as listed previously, and you close your account at the
   end of the time periods shown. Your expenses would be:
 
<TABLE>
 Table 2
<CAPTION>
<S>          <C>       <C>       <C>       <C>       <C>
 Hypothetical Fund Expenses
             1 year    3 years   5 years   10 years
             $8        $24       $41       $92
- ----------------------------------------------------------
</TABLE>
 
 
 
   o Table 2 is just an example; actual expenses can be higher or lower than
     those shown.
<PAGE>
 
 FINANCIAL HIGHLIGHTS
 ----------------------------------------------------------
   Table 3, which provides information about the fund's financial history, is
   based on a single share outstanding throughout each fiscal year. The table is
   part of the fund's financial statements, which are included in its annual
   report and are incorporated by reference into the Statement of Additional
   Information (available upon request). The financial statements in the annual
   report were audited by Price Waterhouse LLP, the fund's independent
   accountants.
 
<TABLE>
 Table 3  Financial Highlights
<CAPTION>
                      Income From Investment Activities       Less Distributions                          Net Asset Value
Period     Net Asset  Net         Net Realized    Total From  Net            Net Realized  Total          Net Asset
Ended      Value,     Investment  & Unrealized    Investment  Investment     Gain (Loss)   Distributions  Value,
           Beginning  Income      Gain (Loss) on  Activities  Income (Loss)                               End of Period
           of Period              Investments
- ---------------------------------------------------------------------------------------------------------------------------
<C>        <C>        <C>         <C>             <C>         <C>            <C>           <C>            <C>
 1988/b/     $9.17      $0.76        $(0.41)       $ 0.35        $(0.76)         -            $(0.76)           $8.76
           ----------------------------------------------------------------------------------------------------------------
 1989         8.76       0.81         (0.50)         0.31         (0.81)         -             (0.81)            8.26
           ----------------------------------------------------------------------------------------------------------------
 1990         8.26       0.75          0.12          0.87         (0.75)       $(0.01)         (0.76)            8.37
           ----------------------------------------------------------------------------------------------------------------
 1991         8.37       0.70          0.24          0.94         (0.70)        (0.01)         (0.71)            8.60
           ----------------------------------------------------------------------------------------------------------------
 1992/b/      8.60       0.67          0.36          1.03         (0.67)        (0.02)         (0.69)            8.94
           ----------------------------------------------------------------------------------------------------------------
 1993         8.94       0.57          0.30          0.87         (0.57)         -             (0.57)            9.24
           ----------------------------------------------------------------------------------------------------------------
 1994         9.24       0.54         (0.05)         0.49         (0.54)        (0.07)         (0.61)            9.12
           ----------------------------------------------------------------------------------------------------------------
 1994/c/      9.12       0.14         (0.40)        (0.26)        (0.14)        (0.07)         (0.21)            8.65
           ----------------------------------------------------------------------------------------------------------------
 1995         8.65       0.58          0.34          0.92         (0.58)        (0.02)         (0.60)            8.97
           ----------------------------------------------------------------------------------------------------------------
 1996         8.97       0.60         (0.27)         0.33         (0.60)         -             (0.60)            8.70
           ----------------------------------------------------------------------------------------------------------------
 1997         8.70       0.58          0.07          0.65         (0.58)         -             (0.58)            8.77
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
 
 Footnotes appear on next page.                  (continued on next page)
 
<TABLE>
  Table 3  Financial Highlights (continued)
<CAPTION>
           Returns, Ratios, and Supplemental Data
Period     Total Return                      Ratio of     Ratio of Net  Portfolio
Ended      (Includes          Net Assets     Expenses to  Investment    Turnover
           Reinvested         ($ Thousands)  Average Net  Income to     Rate
           Distributions)/a/                 Assets       Average Net
                                                          Assets
- -----------------------------------------------------------------------------------
<C>        <C>                <C>            <C>          <C>           <C>
 1988/b/         4.27%         $  834,487      0.80%         8.77%        157.9%
           ------------------------------------------------------------------------
 1989            3.67             860,231      0.91          9.50          91.8
           ------------------------------------------------------------------------
 1990           10.73             992,566      0.86          8.85          51.1
           ------------------------------------------------------------------------
 1991           11.77           1,130,857      0.88          8.33          20.7
           ------------------------------------------------------------------------
 1992/b/        12.40           1,306,674      0.87          7.64          49.7
           ------------------------------------------------------------------------
 1993           10.12           1,527,299      0.84          6.36          85.8
           ------------------------------------------------------------------------
 1994            5.36           1,457,959      0.82          5.77          58.3
           ------------------------------------------------------------------------
 1994/c/         2.84           1,375,056      0.80/c/       6.43/c/       91.5/c/
           ------------------------------------------------------------------------
 1995           11.13           1,565,903      0.78          6.95          54.1
           ------------------------------------------------------------------------
 1996            3.70           1,634,362      0.75          6.66          35.5
           ------------------------------------------------------------------------
 1997            7.70           1,710,730      0.74          6.65          87.1
- -----------------------------------------------------------------------------------
</TABLE>
 
 
a Total return reflects the following capital gain distributions: long-term gain
  of $0.07 on 12/31/93; short-term gains of $0.01 and $0.02 on 12/31/90 and
  12/31/91, respectively.
 
b Year ended February 29.
 
c For the three months ended May 31, 1994. Fiscal year-end changed from February
  28 to May 31. All ratios are annualized.
<PAGE>
 
 FUND, MARKET, AND RISK CHARACTERISTICS: WHAT TO EXPECT
 ----------------------------------------------------------
   To help you decide whether this fund is appropriate for you, this section
   takes a closer look at its investment objective and approach.
 
 
   o The fund should not represent your complete investment program nor be used
     for short-term trading purposes.
 
 
 What is the fund's objective?
 
   The fund's objective is to provide the highest level of income consistent
   with the preservation of capital over time through investment primarily in
   marketable debt securities.
 
 
 What is the fund's investment program?
 
   At least 80% of the fund's total assets will be invested in income-producing,
   investment-grade instruments, including (but not limited to) U.S. government
   and agency obligations, mortgage-backed securities, corporate debt
   securities, asset-backed securities, bank obligations, collateralized
   mortgage obligations (CMOs), commercial paper, foreign securities, and
   others. There are no maturity restrictions on securities purchased by the
   fund, but the fund's dollar-weighted average maturity is generally expected
   to be between four and 15 years.
 
 
   o For further details on the fund's investment program and practices, please
     see the section entitled Investment Policies and Practices.
 
 
 What is the credit quality of the fund's investments?
 
   Securities purchased by the fund must be rated within the four highest credit
   categories (AAA, AA, A, BBB) by at least one established public rating agency
   (or, if unrated, must have a T. Rowe Price equivalent). The fund will not
   purchase any security rated below investment grade (i.e., below BBB) by
   Standard & Poor's, Moody's, or Fitch Investor Services, except that with
   respect to 15% of its total assets the fund may invest in "split-rated
   securities," which are securities that are rated within the four highest
   credit categories by at least one rating agency and below investment grade by
   another rating agency.    
 
   Investment-grade securities include a range from the highest rated to medium
   quality. Securities in the BBB category may be more susceptible to adverse
   economic conditions or changing circumstances, and securities at the lower
   end of the BBB category have certain speculative characteristics.
 
 
   o The fund may retain a security that is downgraded to a noninvestment-grade
     level after purchase.
 
 
 Is the fund a substitute for a money market fund?
 
   No. Money market funds, which have an average maturity substantially under
   one year, ordinarily generate lower income in return for stability of net
   asset value. The fund is designed to provide higher income than these funds
   with commensurately greater price fluctuation. As such, it should be viewed
   as a longer-term investment.
 
 
 What are the most important influences on fund performance?
 
   Performance (total return) is determined by the change in the fund's share
   price and by the income level over a given period. Both components are
   affected by changes in interest rates.
 
   The fund's share price will generally move in the opposite direction of
   interest rates. For example, as interest rates rise, share price will likely
   decline. Rising rates provide the opportunity for the fund's income to
   increase, but it is unlikely that the higher income by itself will entirely
   offset the fall in price.
<PAGE>
 
   The maturity and type of securities in the fund's portfolio determine just
   how much the share price rises or falls when rates change. Generally, when
   rates fall, long-term securities rise more in price than short-term
   securities, and vice versa. Mortgage-backed securities usually follow this
   pattern but, because of prepayments, would not be expected to rise as much in
   price as Treasury or corporate bonds.
 
   You will find more information about the types of securities the fund may own
   and how they may perform further on in this section and in Section 3.
 
 
 What are the main risks of investing in the fund?
 
  . Interest rate or market risk The decline in bond prices that may accompany a
   rise in the overall level of interest rates (please see Table 4).
 
  . Credit risk The chance that any of a fund's holdings will have its credit
   rating downgraded or will default (fail to make scheduled interest or
   principal payments), potentially reducing the fund's income level and share
   price.
 
  . Currency risk The possibility that a fund's foreign holdings will be
   adversely affected by fluctuations in currency markets.
 
 
   o The fund's share price will fluctuate; when you sell your shares, you may
     lose money.
 
 
 How does the portfolio manager try to reduce risk?
 
   Consistent with the fund's objective, the portfolio manager actively seeks to
   reduce risk and increase total return. Risk management tools include:
 
  . Diversification of assets to reduce the impact of a single holding on the
   fund's net asset value.
 
  . Thorough credit research by our own analysts.
 
  . Adjustment of fund duration to try to reduce the negative impact of rising
   interest rates or take advantage of the benefits of falling rates. (Duration
   is a more accurate measure than maturity of a fund's sensitivity to interest
   rate changes.)
 
 
 What are derivatives and can the fund invest in them?
 
   The term derivative is used to describe financial instruments whose value is
   derived from an underlying security (e.g., a stock or bond) or a market
   benchmark (e.g., an interest rate index). Many types of investments
   representing a wide range of potential risks and rewards fall under the
   "derivatives" umbrella - from conventional instruments, such as callable
   bonds, futures, and options, to more exotic investments, such as stripped
   mortgage securities and structured notes. While the term "derivative" only
   recently became widely known among the investing public, derivatives have in
   fact been employed by investment managers for many years.
 
   The fund will invest in derivatives only if the expected risks and rewards
   are consistent with its objective, policies, and overall risk profile as
   described in this prospectus. The fund limits its use of derivatives to
   situations in which they may enable the fund to accomplish the following:
   increase yield; hedge against a decline in principal value; invest in
   eligible asset classes with greater efficiency and lower cost than is
   possible through direct investment; or adjust fund duration.
 
   The fund will not invest in any high-risk, highly leveraged derivative
   instrument that is expected to cause the price volatility of the portfolio to
   be meaningfully different from that of a long-term investment-grade bond.
 
 
 You may want to review some fundamentals that apply to all fixed income
 investments.
 
 Is a fund's yield fixed or will it vary?
 
   It will vary. The yield is calculated every day by dividing a fund's net
   income per share, expressed at annual rates, by the share price. Since both
   income and share price will fluctuate, a fund's yield will also vary.
<PAGE>
 
 Is a fund's "yield" the same as "total return"?
 
   Not for bond funds. The total return reported for a fund is the result of
   reinvested distributions (income and capital gains) and the change in share
   price for a given time period. Income is always a positive contributor to
   total return and can enhance a rise in share price or serve as an offset to a
   drop in share price.
 
 
 What is "credit quality" and how does it affect the fund's yield?
 
   Credit quality refers to a bond issuer's expected ability to make all
   required interest and principal payments in a timely manner. Because highly
   rated issuers represent less risk, they can borrow at lower interest rates
   than less creditworthy issuers. Therefore, a fund investing in high-quality
   securities should have a lower yield than an otherwise comparable fund
   investing in lower-credit-quality securities.
 
 
 What is meant by a bond fund's "maturity"?
 
   Every bond has a stated maturity date when the issuer must repay the bond's
   entire principal value to the investor. However, many bonds are "callable,"
   meaning their principal can be repaid before their stated maturity dates on
   (or after) specified call dates. Bonds are most likely to be called when
   interest rates are falling because the issuer can refinance at a lower rate,
   just as a homeowner refinances a mortgage. In such an environment, a bond's
   "effective maturity" is calculated using its nearest call date. For example,
   the effective maturity of mortgage-backed bonds is determined by the rate at
   which homeowners pay down the principal on the underlying mortgages.
 
   A bond mutual fund has no maturity in the strict sense of the word, but it
   does have an average maturity and an average effective maturity. This number
   is an average of the stated or effective maturities of the underlying bonds,
   with each bond's maturity "weighted" by the percentage of fund assets it
   represents. Funds that target effective maturities would use the effective
   (rather than stated) maturities of the underlying instruments when computing
   the average. Targeting effective maturity provides additional flexibility in
   portfolio management but, all else being equal, could result in higher
   volatility than a fund targeting a stated maturity or maturity range.
 
 
 What is meant by a bond fund's "duration"?
 
   Duration is a calculation that seeks to measure the price sensitivity of a
   bond or a bond fund to changes in interest rates. It measures bond price
   sensitivity to interest rate changes more accurately than maturity because it
   takes into account the time value of cash flows generated over the bond's
   life. Future interest and principal payments are discounted to reflect their
   present value and then are multiplied by the number of years they will be
   received to produce a value that is expressed in years, i.e., the duration.
   Effective duration takes into account call features and sinking fund payments
   that may shorten a bond's life.
 
   Since duration can also be computed for bond funds, you can estimate the
   effect of interest rates on a fund's share price. Simply multiply the fund's
   duration (available for T. Rowe Price bond funds in our shareholder reports)
   by an expected change in interest rates. For example, the price of a bond
   fund with a duration of five years would be expected to fall approximately 5%
   if rates rose by one percentage point.
<PAGE>
 
 How is a bond's price affected by changes in interest rates?
 
   When interest rates rise, a bond's price usually falls, and vice versa. In
   general, the longer a bond's maturity, the greater the price increase or
   decrease in response to a given change in interest rates, as shown in Table
   4.
 
<TABLE>
 Table 4
<CAPTION>
 How Interest Rates Affect Bond Prices
                        Price per $1,000 of Bond Face Value if Interest Rates:
 Bond Maturity  Coupon  Increase                       Decrease
                        1 Point           2 Points     1 Point           2 Points
                ------------------------------------------------------------------------
<S>             <C>     <C>               <C>          <C>               <C>            <C>
 1 year         5.42%   $       990       $981         $     1,010       $1,019
                        ----------------------------------------------------------------
 5 years        5.90            958        919               1,044        1,090
                        ----------------------------------------------------------------
 10 years       6.01            929        864               1,078        1,163
                        ----------------------------------------------------------------
 30 years       6.30            879        780               1,149        1,335
- ---------------------------------------------------------------------------------------------
</TABLE>
 
 
Coupons reflect yields on Treasury securities as of July 31, 1997. The table may
not be as representative of price changes for mortgage securities because of
prepayments. This is an illustration and does not represent expected yields or
share price changes of any T. Rowe Price fund.
 
 
 How can I decide if the fund is appropriate for me?
 
   Consider your investment goals, your time horizon for achieving them, and
   your tolerance for risk. The fund may be appropriate if you are looking for a
   higher level of income than provided by a shorter-term bond fund and can
   accept greater fluctuations in share price. Steadily reinvesting the fund's
   income is a conservative strategy for building capital over time. If you are
   investing for principal safety and liquidity, you should consider a money
   market fund.
 
 
 Is there other information I need to review before making a decision?
 
   Be sure to read Investment Policies and Practices in Section 3, which
   discusses the principal types of portfolio securities that the fund may
   purchase as well as the types of management practices that the fund may use.
 
 ABOUT YOUR ACCOUNT                                        2
 
 
 PRICING SHARES AND RECEIVING SALE PROCEEDS
 ----------------------------------------------------------
   Here are some procedures you should know when investing in a T. Rowe Price
   fixed income fund.
 
 
 How and when shares are priced
 
   The share price (also called "net asset value" or NAV per share) for the fund
   is calculated at 4 p.m. ET each day the New York Stock Exchange is open for
   business. To calculate the NAV, the fund's assets are valued and totaled,
   liabilities are subtracted, and the balance, called net assets, is divided by
   the number of shares outstanding.
 
 
   o The various ways you can buy, sell, and exchange shares are explained at
     the end of this prospectus and on the New Account Form. These procedures
     may differ for institutional and employer-sponsored retirement accounts.
<PAGE>
 
 How your purchase, sale, or exchange price is determined
 
   If we receive your request in correct form by 4 p.m. ET, your transaction
   will be priced at that day's NAV. If we receive it after 4 p.m., it will be
   priced at the next business day's NAV.
 
   We cannot accept orders that request a particular day or price for your
   transaction or any other special conditions.
 
   Note: The time at which transactions and shares are priced and the time until
   which orders are accepted may be changed in case of an emergency or if the
   New York Stock Exchange closes at a time other than 4 p.m. ET.
 
 
 How you can receive the proceeds from a sale
 
 
   o When filling out the New Account Form, you may wish to give yourself the
     widest range of options for receiving proceeds from a sale.
 
   If your request is received by 4 p.m. ET in correct form, proceeds are
   usually sent on the next business day. Proceeds can be sent to you by mail or
   to your bank account by Automated Clearing House (ACH) transfer or bank wire.
   Proceeds sent by ACH transfer should be credited the second day after the
   sale. ACH is an automated method of initiating payments from, and receiving
   payments in, your financial institution account. ACH is a payment system
   supported by over 20,000 banks, savings banks, and credit unions, which
   electronically exchanges the transactions primarily through the Federal
   Reserve Banks. Proceeds sent by bank wire should be credited to your account
   the next business day.
 
  . Exception: Under certain circumstances and when deemed to be in the fund's
   best interests, your proceeds may not be sent for up to five business days
   after we receive your sale or exchange request. If you were exchanging into a
   bond or money fund, your new investment would not begin to earn dividends
   until the sixth business day.
 
 
   o If for some reason we cannot accept your request to sell shares, we will
     contact you.
 
 
 
 USEFUL INFORMATION ON DISTRIBUTIONS AND TAXES
 ----------------------------------------------------------
 
   o All net investment income and realized capital gains are distributed to
     shareholders.
 
 
 Dividends and Other Distributions
 
   Dividend and capital gain distributions are reinvested in additional fund
   shares in your account unless you select another option on your New Account
   Form. The advantage of reinvesting distributions arises from compounding;
   that is, you receive income dividends and capital gain distributions on a
   rising number of shares.
 
   Distributions not reinvested are paid by check or transmitted to your bank
   account via ACH. If the Post Office cannot deliver your check, or if your
   check remains uncashed for six months, the fund reserves the right to
   reinvest your distribution check in your account at the NAV on the business
   day of the reinvestment and to reinvest all subsequent distributions in
   shares of the fund. No interest will accrue on amounts represented by
   uncashed distribution or redemption checks.
 
   Income dividends
  . Bond funds declare income dividends daily at 4 p.m. ET to shareholders of
   record at that time provided payment has been received on the previous
   business day.
 
  . Bond funds pay dividends on the first business day of each month.
 
  . Bond fund shares will earn dividends through the date of redemption; also,
   shares redeemed on a Friday or prior to a holiday will continue to earn
   dividends until the next business day. Generally, if you redeem all of your
   shares at any time during the month, you will also receive all dividends
   earned through the date of
<PAGE>
 
   redemption in the same check. When you redeem only a portion of your shares,
   all dividends accrued on those shares will be reinvested, or paid in cash, on
   the next dividend payment date.
 
   Capital gains
  . A capital gain or loss is the difference between the purchase and sale price
   of a security.
 
  . If the fund has net capital gains for the year (after subtracting any
   capital losses), they are usually declared and paid in December to
   shareholders of record on a specified date that month. If a second
   distribution is necessary, it is usually declared and paid during the first
   quarter of the following year.
 
 
 Tax Information
 
 
   o You will be sent timely information for your tax filing needs.
 
   You need to be aware of the possible tax consequences when:
 
  . You sell fund shares, including an exchange from one fund to another.
 
  . The fund makes a distribution to your account.
 
   Taxes on fund redemptions
   When you sell shares in any fund, you may realize a gain or loss. An exchange
   from one fund to another is still a sale for tax purposes.
 
   In January, you will be sent Form 1099-B, indicating the date and amount of
   each sale you made in the fund during the prior year. This information will
   also be reported to the IRS. For accounts opened new or by exchange in 1983
   or later, we will provide you with the gain or loss of the shares you sold
   during the year, based on the "average cost" method. This information is not
   reported to the IRS, and you do not have to use it. You may calculate the
   cost basis using other methods acceptable to the IRS, such as "specific
   identification."
 
   To help you maintain accurate records, we send you a confirmation immediately
   following each transaction you make (except for systematic purchases and
   redemptions) and a year-end statement detailing all your transactions in each
   fund account during the year.
 
   Taxes on fund distributions
   The following summary does not apply to retirement accounts, such as IRAs,
   which are tax-deferred until you withdraw money from them.
 
   In January, you will be sent Form 1099-DIV, indicating the tax status of any
   dividend and capital gain distribution made to you. This information will
   also be reported to the IRS. All distributions made by the fund are taxable
   to you for the year in which they were paid. The only exception is that
   distributions declared during the last three months of a calendar year and
   paid in January are taxed as though they were paid by December 31. You will
   be sent any additional information you need to determine your taxes on fund
   distributions, such as the portion of your dividend, if any, that may be
   exempt from state income taxes.
 
   The tax treatment of a capital gain distribution is determined by how long
   the fund held the portfolio securities, not how long you held shares in the
   fund. Recent changes in the tax code revised capital gain holding periods for
   long-term gains and created a new class of mid-term gains. Short-term (one
   year or less) capital gain distributions continue to be taxable at the same
   rates as ordinary income. Gains on securities held more than 12 months but
   not more than 18 months (mid-term gains) are taxed at the rates formerly
   applicable to long-term gains, and gains on securities held for more than 18
   months are taxed at a new and lower long-term rate. If you realize a loss on
   the sale or exchange of fund shares held six months or less, your short-term
   loss recognized is reclassified to long term to the extent of any net capital
   gain distribution received.
 
   Gains and losses from the sale of foreign currencies and the foreign currency
   gain or loss resulting from the sale of a foreign debt security can increase
   or decrease a fund's ordinary income dividend. Net foreign currency losses
   may result in the fund's dividend being classified as a return of capital.
<PAGE>
 
   If a fund pays nonrefundable taxes to foreign governments during the year,
   the taxes will reduce the fund's dividends, but will still be included in
   your taxable income. However, you may be able to claim an offsetting
   deduction on your tax return for your portion of foreign taxes paid by the
   fund.
 
 
   o Distributions are taxable whether reinvested in additional shares or
     received in cash.
 
   Tax effect of buying shares before a capital gain distribution
   If you buy shares shortly before or on the "record date" -  the date that
   establishes you as the person to receive the upcoming distribution - you will
   receive a portion of the money you just invested in the form of a taxable
   distribution. Therefore, you may also wish to find out the fund's record date
   before investing. Of course, the fund's share price may, at any time, reflect
   undistributed capital gains or income and unrealized appreciation. When these
   amounts are eventually distributed, they are taxable.
 
 
 TRANSACTION PROCEDURES AND SPECIAL REQUIREMENTS
 ----------------------------------------------------------
 
   o Following these procedures helps assure timely and accurate transactions.
 
 
 Purchase Conditions
 
   Nonpayment
   If your payment is not received or you pay with a check or ACH transfer that
   does not clear, your purchase will be canceled. You will be responsible for
   any losses or expenses incurred by the fund or transfer agent, and the fund
   can redeem shares you own in this or another identically registered T. Rowe
   Price fund as reimbursement. The fund and its agents have the right to reject
   or cancel any purchase, exchange, or redemption due to nonpayment.
 
   U.S. dollars
   All purchases must be paid for in U.S. dollars; checks must be drawn on U.S.
   banks.
 
 
 Sale (Redemption) Conditions
 
   10-day hold
   If you sell shares that you just purchased and paid for by check or ACH
   transfer, the fund will process your redemption but will generally delay
   sending you the proceeds for up to 10 calendar days to allow the check or
   transfer to clear. If your redemption request was sent by mail or mailgram,
   proceeds will be mailed no later than the seventh calendar day following
   receipt unless the check or ACH transfer has not cleared. If, during the
   clearing period, we receive a check drawn against your bond or money market
   account, it will be returned marked "uncollected." (The 10-day hold does not
   apply to the following: purchases paid for by bank wire; cashier's,
   certified, or treasurer's checks; or automatic purchases through your
   paycheck.)
 
   Telephone, Tele*Access/(R)/, and personal computer transactions
   Exchange and redemption services through telephone and Tele*Access are
   established automatically when you sign the New Account Form unless you check
   the box that states that you do not want these services. Personal computer
   transactions must be authorized separately. T. Rowe Price funds use
   reasonable procedures (including shareholder identity verification) to
   confirm that instructions given by telephone are genuine and are not liable
   for acting on these instructions. If these procedures are not followed, it is
   the opinion of certain regulatory agencies that the funds may be liable for
   any losses that may result from acting on the instructions given. A
   confirmation is sent promptly after the telephone transaction. All
   conversations are recorded.
<PAGE>
 
   Redemptions over $250,000
   Large sales can adversely affect a portfolio manager's ability to implement a
   fund's investment strategy by causing the premature sale of securities that
   would otherwise be held. If, in any 90-day period, you redeem (sell) more
   than $250,000, or your sale amounts to more than 1% of fund net assets, the
   fund has the right to pay the difference between the redemption amount and
   the lesser of the two previously mentioned figures with securities from the
   fund.
 
 
 Excessive Trading
 
 
   o T. Rowe Price may bar excessive traders from purchasing shares.
 
   Frequent trades, involving either substantial fund assets or a substantial
   portion of your account or accounts controlled by you, can disrupt management
   of the fund and raise its expenses. We define "excessive trading" as
   exceeding one purchase and sale involving the same fund within any 120-day
   period.
 
   For example, you are in fund A. You can move substantial assets from fund A
   to fund B and, within the next 120 days, sell your shares in fund B to return
   to fund A or move to fund C.
 
   If you exceed the number of trades described above, you may be barred
   indefinitely from further purchases of T. Rowe Price funds.
 
   Three types of transactions are exempt from excessive trading guidelines: 1)
   trades solely between money market funds; 2) redemptions that are not part of
   exchanges; and 3) systematic purchases or redemptions (see Shareholder
   Services).
 
 
 Keeping Your Account Open
 
   Due to the relatively high cost to the fund of maintaining small accounts, we
   ask you to maintain an account balance of at least $1,000. If your balance is
   below $1,000 for three months or longer, we have the right to close your
   account after giving you 60 days in which to increase your balance.
 
 
 Small Account Fee
 
   Because of the disproportionately high costs of servicing accounts with low
   balances, a $10 fee, paid to T. Rowe Price Services, the fund's transfer
   agent, will automatically be deducted from nonretirement accounts with
   balances falling below a minimum level. The valuation of accounts and the
   deduction are expected to take place during the last five business days of
   September. The fee will be deducted from accounts with balances below $2,000,
   except for UGMA/UTMA accounts, for which the limit is $500. The fee will be
   waived for any investor whose aggregate T. Rowe Price mutual fund investments
   total $25,000 or more. Accounts employing automatic investing (e.g., payroll
   deduction, automatic purchase from a bank account, etc.) are also exempt from
   the charge. The fee will not apply to IRAs and other retirement plan
   accounts. (A separate custodial fee may apply to IRAs and other retirement
   plan accounts.)
 
 
 Signature Guarantees
 
 
   o A signature guarantee is designed to protect you and the T. Rowe Price
     funds from fraud by verifying your signature.
 
   You may need to have your signature guaranteed in certain situations, such
   as:
 
  . Written requests 1) to redeem over $100,000, or 2) to wire redemption
   proceeds.
 
  . Remitting redemption proceeds to any person, address, or bank account not on
   record.
 
  . Transferring redemption proceeds to a T. Rowe Price fund account with a
   different registration (name or ownership) from yours.
 
  . Establishing certain services after the account is opened.
<PAGE>
 
   You can obtain a signature guarantee from most banks, savings institutions,
   broker-dealers, and other guarantors acceptable to T. Rowe Price. We cannot
   accept guarantees from notaries public or organizations that do not provide
   reimbursement in the case of fraud.
 
 MORE ABOUT THE FUND                                        3
 
 
 ORGANIZATION AND MANAGEMENT
 ----------------------------------------------------------
 
 How is the fund organized?
 
   The fund was incorporated in Maryland in 1973 and is a "diversified, open-end
   investment company," or mutual fund. Mutual funds pool money received from
   shareholders and invest it to try to achieve specified objectives.
 
 
   o Shareholders benefit from T. Rowe Price's 60 years of investment management
     experience.
 
 
 What is meant by "shares"?
 
   As with all mutual funds, investors purchase shares when they put money in a
   fund. These shares are part of a fund's authorized capital stock, but share
   certificates are not issued.
 
   Each share and fractional share entitles the shareholder to:
 
  . Receive a proportional interest in the fund's income and capital gain
   distributions.
 
  . Cast one vote per share on certain fund matters, including the election of
   fund directors, changes in fundamental policies, or approval of changes in
   the fund's management contract.
 
 
 Do T. Rowe Price funds have annual shareholder meetings?
 
   The funds are not required to hold annual meetings and, in order to avoid
   unnecessary costs to fund shareholders, do not intend to do so except when
   certain matters, such as a change in a fund's fundamental policies, are to be
   decided. In addition, shareholders representing at least 10% of all eligible
   votes may call a special meeting, if they wish, for the purpose of voting on
   the removal of any fund director or trustee. If a meeting is held and you
   cannot attend, you can vote by proxy. Before the meeting, the fund will send
   you proxy materials that explain the issues to be decided and include a
   voting card for you to mail back.
 
 
 Who runs the fund?
 
   General Oversight
   The fund is governed by a Board of Directors that meets regularly to review
   the fund's investments, performance, expenses, and other business affairs.
   The Board elects the fund's officers. The policy of the fund is that the
   majority of Board members will be independent of T. Rowe Price.
 
 
   o All decisions regarding the purchase and sale of fund investments are made
     by T. Rowe Price - specifically by the fund's portfolio managers.
 
   Portfolio Management
   The fund has an Investment Advisory Committee with the following members:
   Peter Van Dyke, Chairman, Connice A. Bavely, Steven G. Brooks, Heather R.
   Landon, Edmund M. Notzon III, Robert M. Rubino, and Gwendolyn G. Wagner. The
   committee chairman has day-to-day responsibility for managing the fund and
   works with the committee in developing and executing the fund's investment
   program. Mr. Van Dyke became chairman of the fund's committee effective May
   1, 1998. He has been managing investments since joining T. Rowe Price in
   1985.    
 
   Marketing
   T. Rowe Price Investment Services, Inc., a wholly owned subsidiary of T. Rowe
   Price, distributes (sells) shares of this and all other T. Rowe Price funds.
 
   Shareholder Services
   T. Rowe Price Services, Inc., another wholly owned subsidiary, acts as the
   fund's transfer and dividend disbursing agent and provides shareholder and
   administrative services. Services for certain types of retirement plans are
   provided by T. Rowe Price Retirement Plan Services, Inc., also a wholly owned
   subsidiary. The address for each is 100 East Pratt St., Baltimore, MD 21202.
 
 
 How are fund expenses determined?
 
   The management agreement spells out the expenses to be paid by the fund. In
   addition to the management fee, the fund pays for the following: shareholder
   service expenses; custodial, accounting, legal, and audit fees; costs of
   preparing and printing prospectuses and reports sent to shareholders;
   registration fees and expenses; proxy and annual meeting expenses (if any);
   and director/trustee fees and expenses.
 
 
   o For the fiscal year ended May 31, 1997, fees paid by the fund included the
     following: $1,858,000 to T. Rowe Price Services, Inc., for transfer and
     dividend disbursing functions and shareholder services; $1,529,000 to T.
     Rowe Price Retirement Plan Services, Inc., for recordkeeping services for
     certain retirement plans; and $108,000 to T. Rowe Price for accounting
     services.
 
   The Management Fee
   This fee has two parts -  an "individual fund fee" (discussed under
   Transaction and Fund Expenses), which reflects a fund's particular investment
   management costs, and a "group fee." The group fee, which is designed to
   reflect the benefits of the shared resources of the T. Rowe Price investment
   management complex, is calculated daily based on the combined net assets of
   all T. Rowe Price funds (except Equity Index, the Spectrum Funds, and any
   institutional or private label mutual funds). The group fee schedule (shown
   below) is graduated, declining as the asset total rises, so shareholders
   benefit from the overall growth in mutual fund assets.
 
<TABLE>
<CAPTION>
<S> <C>     <C>               <C>     <C>               <C>     <C>
    0.480%  First $1 billion  0.360%  Next $2 billion   0.310%  Next $16 billion
    0.450%  Next $1 billion   0.350%  Next $2 billion   0.305%  Next $30 billion
    0.420%  Next $1 billion   0.340%  Next $5 billion   0.300%  Thereafter
    0.390%  Next $1 billion   0.330%  Next $10 billion
    0.370%  Next $1 billion   0.320%  Next $10 billion
</TABLE>
 
 
   The fund's portion of the group fee is determined by the ratio of its daily
   net assets to the daily net assets of all the T. Rowe Price funds described
   previously. Based on combined T. Rowe Price funds' assets of over $71 billion
   at June 30, 1997, the group fee was 0.33%.
 
 
 
 UNDERSTANDING PERFORMANCE INFORMATION
 ----------------------------------------------------------
   This section should help you understand the terms used to describe fund
   performance. You will come across them in shareholder reports you receive
   from us, in our newsletter, The Price Report, in Insights articles, in T.
   Rowe Price advertisements, and in the media.
<PAGE>
 
 Total Return
 
   This tells you how much an investment in a fund has changed in value over a
   given time period. It reflects any net increase or decrease in the share
   price and assumes that all dividends and capital gains (if any) paid during
   the period were reinvested in additional shares. Including reinvested
   distributions means that total return numbers include the effect of
   compounding, i.e., you receive income and capital gain distributions on a
   rising number of shares.
 
   Advertisements for a fund may include cumulative or compound average annual
   total return figures, which may be compared with various indices, other
   performance measures, or other mutual funds.
 
 
   o Total return is the most widely used performance measure. Detailed
     performance information is included in the fund's annual and semiannual
     shareholder reports and in the quarterly Performance Update, which are all
     available without charge.
 
 
 Cumulative Total Return
 
   This is the actual rate of return on an investment for a specified period. A
   cumulative return does not indicate how much the value of the investment may
   have fluctuated between the beginning and end of the period specified.
 
 
 Average Annual Total Return
 
   This is always hypothetical. Working backward from the actual cumulative
   return, it tells you what constant year-by-year return would have produced
   the actual cumulative return. By smoothing out all the variations in annual
   performance, it gives you an idea of the investment's annual contribution to
   your portfolio, provided you held it for the entire period in question.
 
 
 Yield
 
   The current or "dividend" yield on a fund or any investment tells you the
   relationship between the investment's current level of annual income and its
   price on a particular day. The dividend yield reflects the actual income paid
   to shareholders for a given period, annualized, and divided by the fund's net
   asset value. For example, a fund providing $5 of annual income per share and
   a price of $50 has a current yield of 10%. Yields can be calculated for any
   time period.
 
   The advertised or "SEC" yield is found by determining the net income per
   share (as defined by the SEC) earned by a fund during a 30-day base period
   and dividing this amount by the per share price on the last day of the base
   period. The SEC yield may differ from the dividend yield.
 
 
   o You will see frequent references to a fund's yield in our reports, in
     advertisements, in media stories, and so on.
 
 
 
 INVESTMENT POLICIES AND PRACTICES
 ----------------------------------------------------------
   This section takes a detailed look at some of the types of securities the
   fund may hold in its portfolio and the various kinds of investment practices
   that may be used in day-to-day portfolio management. The fund's investment
   program is subject to further restrictions and risks described in the
   Statement of Additional Information.
 
   Shareholder approval is required to substantively change the fund's objective
   and certain investment restrictions noted in the following section as
   "fundamental policies." The managers also follow certain "operating
   policies," which can be changed without shareholder approval. However,
   significant changes are discussed with shareholders in fund reports. The fund
   adheres to applicable investment restrictions and policies at the time it
   makes an investment. A later change in circumstances will not require the
   sale of an investment if it was proper at the time it was made.
<PAGE>
 
   The fund's holdings of certain kinds of investments cannot exceed maximum
   percentages of total assets, which are set forth in this prospectus. For
   instance, this fund is not permitted to invest more than 10% of total assets
   in hybrid instruments. While these restrictions provide a useful level of
   detail about the fund's investment program, investors should not view them as
   an accurate gauge of the potential risk of such investments. For example, in
   a given period, a 5% investment in hybrid instruments could have
   significantly more of an impact on the fund's share price than its weighting
   in the portfolio. The net effect of a particular investment depends on its
   volatility and the size of its overall return in relation to the performance
   of all the fund's other investments.
 
   Changes in the fund's holdings, the fund's performance, and the contribution
   of various investments are discussed in the shareholder reports sent to you.
 
 
   o Fund managers have considerable leeway in choosing investment strategies
     and selecting securities they believe will help the fund achieve its
     objective.
 
 
 Types of Portfolio Securities
 
   In seeking to meet its investment objective, the fund may invest in any type
   of security or instrument (including certain potentially high-risk
   derivatives described in this section) whose investment characteristics are
   consistent with the fund's investment program. The following pages describe
   the principal types of portfolio securities and investment management
   practices of the fund.
 
   Fundamental policy The fund will not purchase a security if, as a result,
   with respect to 75% of its total assets, more than 5% of its total assets
   would be invested in securities of a single issuer or more than 10% of the
   outstanding voting securities of the issuer would be held by the fund. These
   limitations do not apply to the fund's purchase of securities issued or
   guaranteed by the U.S. government, its agencies, or instrumentalities.
 
   Bonds
   A bond is an interest-bearing security -  an IOU - issued by companies or
   governmental units. The issuer has a contractual obligation to pay interest
   at a stated rate on specific dates and to repay principal (the bond's face
   value) on a specified date. An issuer may have the right to redeem or "call"
   a bond before maturity, and the investor may have to reinvest the proceeds at
   lower market rates.
 
   A bond's annual interest income, set by its coupon rate, is usually fixed for
   the life of the bond. Its yield (income as a percent of current price) will
   fluctuate to reflect changes in interest rate levels. A bond's price usually
   rises when interest rates fall, and vice versa, so its yield stays current.
 
   Bonds may be unsecured (backed by the issuer's general creditworthiness only)
   or secured (also backed by specified collateral).
 
   Certain bonds have interest rates that are adjusted periodically. These
   interest rate adjustments tend to minimize fluctuations in the bonds'
   principal values. The maturity of those securities may be shortened under
   certain specified conditions.
 
   Bonds may be designated as senior or subordinated obligations. Senior
   obligations generally have the first claim on a corporation's earnings and
   assets and, in the event of liquidation, are paid before subordinated debt.
 
   Common and Preferred Stocks
   Stocks represent shares of ownership in a company. Generally, preferred stock
   has a specified dividend and ranks after bonds and before common stocks in
   its claim on income for dividend payments and on assets should the company be
   liquidated. After other claims are satisfied, common stockholders participate
   in company profits on a pro-rata basis; profits may be paid out in dividends
   or reinvested in the company to help it grow. Increases and decreases in
   earnings are usually reflected in a company's stock price, so common stocks
   generally have the greatest appreciation and depreciation potential of all
   corporate securities. While most pre-
<PAGE>
 
   ferred stocks pay a dividend, the fund may purchase preferred stock where the
   issuer has omitted, or is in danger of omitting, payment of its dividend.
   Such investments would be made primarily for their capital appreciation
   potential.
 
   Convertible Securities and Warrants
   The fund may invest in debt or preferred equity securities convertible into,
   or exchangeable for, equity securities. Traditionally, convertible securities
   have paid dividends or interest at rates higher than common stocks but lower
   than nonconvertible securities. They generally participate in the
   appreciation or depreciation of the underlying stock into which they are
   convertible, but to a lesser degree. In recent years, convertibles have been
   developed which combine higher or lower current income with options and other
   features. Warrants are options to buy a stated number of shares of common
   stock at a specified price anytime during the life of the warrants
   (generally, two or more years).
 
   Operating policy Without regard to quality, the fund may invest up to 25% of
   its total assets (not including cash) in preferred and common stocks and
   convertible securities, convertible into or which carry warrants for common
   stocks or other equity securities.
 
   Foreign Securities
   The fund may invest in foreign securities. These include
   nondollar-denominated securities traded outside of the U.S. and
   dollar-denominated securities of foreign issuers traded in the U.S. (such as
   ADRs). Such investments increase a portfolio's diversification and may
   enhance return, but they also involve some special risks, such as exposure to
   potentially adverse local political and economic developments;
   nationalization and exchange controls; potentially lower liquidity and higher
   volatility; possible problems arising from accounting, disclosure,
   settlement, and regulatory practices that differ from U.S. standards; and the
   chance that fluctuations in foreign exchange rates will decrease the
   investment's value (favorable changes can increase its value). These risks
   are heightened for investments in developing countries.
 
   Operating policy The fund may invest without limitation in U.S.
   dollar-denominated debt securities issued by foreign issuers, foreign
   branches of U.S. banks, and U.S. branches of foreign banks. The fund may also
   invest up to 20% of its total assets (excluding reserves) in non-U.S.
   dollar-denominated fixed income securities principally traded in financial
   markets outside the United States.
 
   Asset-Backed Securities
   An underlying pool of assets, such as credit card or automobile trade
   receivables or corporate loans or bonds, backs these bonds and provides the
   interest and principal payments to investors. Credit quality depends
   primarily on the quality of the underlying assets and the level of credit
   support, if any, provided by the issuer. The underlying assets (i.e., loans)
   are subject to prepayments which can shorten the securities' weighted average
   life and may lower their return. The value of these securities also may
   change because of actual or perceived changes in the creditworthiness of the
   originator, servicing agent, or of the financial institution providing the
   credit support. There is no limit on the fund's investment in these
   securities.
 
   Mortgage-Backed Securities
   The fund may invest in a variety of mortgage-backed securities. Mortgage
   lenders pool individual home mortgages with similar characteristics to back a
   certificate or bond, which is sold to investors such as the fund. Interest
   and principal payments generated by the underlying mortgages are passed
   through to the investors. The "big three" issuers are the Government National
   Mortgage Association (GNMA), the Federal National Mortgage Association
   (Fannie Mae), and the Federal Home Loan Mortgage Corporation (Freddie Mac).
   GNMA certificates are backed by the full faith and credit of the U.S.
   government, while others, such as Fannie Mae and Freddie Mac certificates,
   are only supported by the ability to borrow from the U.S. Treasury or
   supported only by the credit of the agency. Private mortgage bankers and
   other institutions also issue mortgage-backed securities.
<PAGE>
 
   Mortgage-backed securities are subject to scheduled and unscheduled principal
   payments as homeowners pay down or prepay their mortgages. As these payments
   are received, they must be reinvested when interest rates may be higheror
   lower than on the original mortgage security. Therefore, these securities are
   not an effective means of locking in long-term interest rates. In addition,
   when interest rates fall, the pace of mortgage prepayments picks up. These
   refinanced mortgages are paid off at face value (par), causing a loss for any
   investor who may have purchased the security at a price above par. In such an
   environment, this risk limits the potential price appreciation of these
   securities and can negatively affect the fund's net asset value. When rates
   rise, the prices of mortgage-backed securities can be expected to decline,
   although historically these securities have experienced smaller price
   declines than comparable quality bonds. In addition, when rates rise and
   prepayments slow, the effective duration of mortgage-backed securities
   extends, resulting in increased volatility.
 
 
   o There is no limit on the fund's investment in mortgage-backed securities.
 
   Additional mortgage-backed securities in which the fund may invest include:
 
  . Collateralized Mortgage Obligations (CMOs) CMOs are debt securities that are
   fully collateralized by a portfolio of mortgages or mortgage-backed
   securities. All interest and principal payments from the underlying mortgages
   are passed through to the CMOs in such a way as to create, in most cases,
   more definite maturities than is the case with the underlying mortgages. CMOs
   may pay fixed or variable rates of interest, and certain CMOs have priority
   over others with respect to the receipt of prepayments.
 
  . Stripped Mortgage Securities Stripped mortgage securities (a type of
   potentially high-risk derivative) are created by separating the interest and
   principal payments generated by a pool of mortgage-backed securities or a CMO
   to create additional classes of securities. Generally, one class receives
   only interest payments (IOs), and another receives principal payments (POs).
   Unlike other mortgage-backed securities and POs, the value of IOs tends to
   move in the same direction as interest rates. The fund could use IOs as a
   hedge against falling prepayment rates (interest rates are rising) and/or a
   bear market environment. POs can be used as a hedge against rising prepayment
   rates (interest rates are falling) and/or a bull market environment. IOs and
   POs are acutely sensitive to interest rate changes and to the rate of
   principal prepayments.
 
   A rapid or unexpected increase in prepayments can severely depress the price
   of IOs, while a rapid or unexpected decrease in prepayments could have the
   same effect on POs. These securities are very volatile in price and may have
   lower liquidity than most other mortgage-backed securities. Certain
   non-stripped CMOs may also exhibit these qualities, especially those that pay
   variable rates of interest that adjust inversely with, and more rapidly than,
   short-term interest rates. In addition, if interest rates rise rapidly and
   prepayment rates slow more than expected, certain CMOs, in addition to losing
   value, can exhibit characteristics of longer-term securities and become more
   volatile. There is no guarantee the fund's investment in CMOs, IOs, or POs
   will be successful, and the fund's total return could be adversely affected
   as a result.
 
   Operating policy The fund may invest up to 10% of its total assets in
   stripped mortgage securities.
 
   Hybrid Instruments
   These instruments (a type of potentially high-risk derivative) can combine
   the characteristics of securities, futures, and options. For example, the
   principal amount or interest rate of a hybrid could be tied (positively or
   negatively) to the price of some commodity, currency, or securities index or
   another interest rate (each a "benchmark"). Hybrids can be used as an
   efficient means of pursuing a variety of investment goals, including currency
   hedging, duration management, and increased total return. Hybrids may not
   bear interest or pay dividends. The value of a hybrid or its interest rate
   may be a multiple of a benchmark and, as a result, may be leveraged and move
   (up or down) more steeply and rapidly than the benchmark. These benchmarks
   may be sensitive to economic and political events, such as commodity
   shortages and currency devaluations, which cannot be readily foreseen by the
   purchaser of a hybrid. Under certain conditions, the redemption value of a
   hybrid could be zero. Thus, an investment in a hybrid may entail significant
   market risks that are not associated with a similar investment in a
   traditional, U.S. dollar-denominated bond that has a fixed principal
<PAGE>
 
   amount and pays a fixed rate or floating rate of interest. The purchase of
   hybrids also exposes the fund to the credit risk of the issuer of the hybrid.
   These risks may cause significant fluctuations in the net asset value of the
   fund.
 
 
   o Hybrids can have volatile prices and limited liquidity, and their use by
     the fund may not be successful.
 
   Operating policy The fund may invest up to 10% of its total assets in hybrid
   instruments.
 
   Deferrable Subordinated Securities
   Recently, securities have been issued which have long maturities and are
   deeply subordinated in the issuer's capital structure. They generally have
   30-year maturities and permit the issuer to defer distributions for up to
   five years. These characteristics give the issuer more financial flexibility
   than is typically the case with traditional bonds. As a result, the
   securities may be viewed as possessing certain "equity-like" features by
   rating agencies and bank regulators. However, the securities are treated as
   debt securities by market participants, and the fund intends to treat them as
   such as well. These securities may offer a mandatory put or remarketing
   option that creates an effective maturity date significantly shorter than the
   stated one. The fund will invest in these securities to the extent their
   yield, credit, and maturity characteristics are consistent with the fund's
   investment objective and program.
 
   Private Placements
   These securities are sold directly to a small number of investors, usually
   institutions. Unlike public offerings, such securities are not registered
   with the SEC. Although certain of these securities may be readily sold, for
   example, under Rule 144A, others may be illiquid, and their sale may involve
   substantial delays and additional costs.
 
   Operating policy The fund will not invest more than 15% of its net assets in
   illiquid securities.
 
   Utility Industry Concentration
   The fund may, under certain circumstances, invest a substantial amount of its
   assets in the utility industry. Investments in this industry may be affected
   by environmental conditions, energy conservation programs, fuel shortages,
   availability of capital to finance operations and construction programs, and
   federal and state legislative and regulatory actions. T. Rowe Price believes
   that any risk to the fund which might result from concentrating in any such
   industry will be minimized by diversification of the fund's investments.
 
   Fundamental policy The fund will, under certain conditions, invest up to 50%
   of its assets in any one of the following industries: gas utility, gas
   transmission utility, electric utility, telephone utility, and petroleum.
 
 
 Types of Management Practices
 
   Reserve Position
   The fund will hold a certain portion of its assets in money market reserves.
   The fund's reserve position can consist of shares of one or more T. Rowe
   Price internal money market funds as well as short-term, high-quality U.S.
   and foreign dollar-denominated money market securities, including repurchase
   agreements. For temporary, defensive purposes, the fund may invest without
   limitation in money market reserves. The reserve position provides
   flexibility in meeting redemptions, expenses, and the timing of new
   investments and can serve as a short-term defense during periods of unusual
   market volatility.
 
   Borrowing Money and Transferring Assets
   The fund can borrow money from banks as a temporary measure for emergency
   purposes, to facilitate redemption requests, or for other purposes consistent
   with the fund's investment objective and program. Such borrowings may be
   collateralized with fund assets, subject to restrictions.
 
   Fundamental policy Borrowings may not exceed 33 1/3% of total fund
   assets.
<PAGE>
 
   Operating policies The fund may not transfer as collateral any portfolio
   securities except as necessary in connection with permissible borrowings or
   investments, and then such transfers may not exceed 33 1/3% of the
   fund's total assets. The fund may not purchase additional securities when
   borrowings exceed 5% of total assets.
 
   Futures and Options
   Futures (a type of potentially high-risk derivative) are often used to manage
   or hedge risk because they enable the investor to buy or sell an asset in the
   future at an agreed-upon price. Options (another type of potentially
   high-risk derivative) give the investor the right, but not the obligation, to
   buy or sell an asset at a predetermined price in the future. The fund may buy
   and sell futures and options contracts for any number of reasons, including:
   to manage its exposure to changes in interest rates, bond prices, and foreign
   currencies; as an efficient means of adjusting its overall exposure to
   certain markets; in an effort to enhance income; to protect the value of
   portfolio securities; and to adjust portfolio duration. The fund may
   purchase, sell, or write call and put options on securities, financial
   indices, and foreign currencies.
 
   Futures contracts and options may not always be successful hedges, and their
   prices can be highly volatile. Using them could lower the fund's total
   return, and the potential loss from the use of futures can exceed the fund's
   initial investment in such contracts.
 
   Operating policies Futures: Initial margin deposits and premiums on options
   used for non-hedging purposes will not equal more than 5% of the fund's net
   asset value. Options on securities: The total market value of securities
   against which the fund writes call or put options may not exceed 25% of its
   total assets. The fund will not commit more than 5% of its total assets to
   premiums when purchasing call or put options.
 
   Managing Foreign Exchange Risk
   Investors in foreign securities may "hedge" their exposure to potentially
   unfavorable currency changes by purchasing a contract to exchange one
   currency for another on some future date at a specified exchange rate. In
   certain circumstances, a "proxy currency" may be substituted for the currency
   in which the investment is denominated, a strategy known as "proxy hedging."
   The fund may also use these contracts to create a synthetic bond - issued by
   a U.S. company, for example, but with the dollar component transformed into a
   foreign currency. Although foreign currency transactions will be used
   primarily to protect the fund's foreign securities from adverse currency
   movements relative to the dollar, they involve the risk that anticipated
   currency movements will not occur and the fund's total return could be
   reduced.
 
   Operating policy The fund will not commit more than 20% of its total assets
   to forward currency contracts.
 
   Lending of Portfolio Securities
   Like other mutual funds, the fund may lend securities to broker-dealers,
   other institutions, or other persons to earn additional income. The principal
   risk is the potential insolvency of the broker-dealer or other borrower. In
   this event, the fund could experience delays in recovering its securities and
   possibly capital losses.
 
   Fundamental policy The value of loaned securities may not exceed
   33 1/3% of total fund assets.
 
   When-Issued Securities and Forward Commitment Contracts
   The fund may purchase securities on a when-issued or delayed delivery basis
   or may purchase or sell securities on a forward commitment basis. There is no
   limit on the fund's investment in these securities. The price of these
   securities is fixed at the time of the commitment to buy, but delivery and
   payment can take place a month or more later. During the interim period, the
   market value of the securities can fluctuate, and no interest accrues to the
   purchaser. At the time of delivery, the value of the securities may be more
   or less than the purchase or sale price. To the extent the fund remains fully
   or almost fully invested (in securities with a remaining maturity of more
   than one year) at the same time it purchases these securities, there will be
   greater fluctuations in the fund's net asset value than if the fund did not
   purchase them.
<PAGE>
 
   Portfolio Turnover
   Although the fund will not generally trade for short-term profits,
   circumstances may warrant a sale without regard to the length of time a
   security was held. A high turnover rate may increase transaction costs and
   result in additional taxable gains. The fund's portfolio turnover rates for
   the fiscal years ended May 31, 1997, 1996, and 1995, were 87.1%, 35.5%, and
   54.1%, respectively.
 
 INVESTING WITH T. ROWE PRICE                                        4
 
 
 ACCOUNT REQUIREMENTS AND TRANSACTION INFORMATION
 ----------------------------------------------------------
Tax Identification Number
We must have your correct Social Security or corporate tax identification number
on a signed New Account Form or W-9 Form. Otherwise, federal law requires the
funds to withhold a percentage (currently 31%) of your dividends, capital gain
distributions, and redemptions, and may subject you to an IRS fine. If this
information is not received within 60 days after your account is established,
your account may be redeemed, priced at the NAV on the date of redemption.
 
Always verify your transactions by carefully reviewing the confirmation we send
you. Please report any discrepancies to Shareholder Services promptly.
 
Employer-Sponsored Retirement Plans and Institutional Accounts T. Rowe Price
Trust Company 1-800-492-7670 1-410-625-6585
Transaction procedures in the following sections may not apply to
employer-sponsored retirement plans and institutional accounts. For procedures
regarding employer-sponsored retirement plans, please call T. Rowe Price Trust
Company or consult your plan administrator. For institutional account
procedures, please call your designated account manager or service
representative.
 
 
 
 OPENING A NEW ACCOUNT
 ----------------------------------------------------------
$2,500 minimum initial investment; $1,000 for retirement plans or gifts or
transfers to minors (UGMA/UTMA) accounts
 
Account Registration
If you own other T. Rowe Price funds, be sure to register any new account just
like your existing accounts so you can exchange among them easily. (The name and
account type would have to be identical.)
 
By Mail
Please make your check payable to T. Rowe Price Funds (otherwise it will be
returned) and send your check, together with the New Account Form, to the
address on the next page. We do not accept third party checks to open new
accounts, except for IRA Rollover checks that are properly endorsed.
 
Regular Mail
T. Rowe Price Account Services P.O. Box 17300 Baltimore, MD 21298-9353
<PAGE>
 
Mailgram, Express, Registered, or Certified Mail
T. Rowe Price Account Services 10090 Red Run Blvd. Owings Mills, MD 21117
 
By Wire
Call Investor Services for an account number and give the following wire
information to your bank:
 
PNC Bank, N.A. (Pittsburgh) ABA# 043000096 T. Rowe Price [fund name] Account#
1004397951 name of owner(s) and account number
 
Complete a New Account Form and mail it to one of the appropriate addresses
listed above.
 
Note: No services will be established and IRS penalty withholding may occur
until a signed New Account Form is received. Also, retirement plans cannot be
opened by wire.
 
By Exchange
Call Shareholder Services or use Tele*Access or your personal computer (see
Automated Services under Shareholder Services). The new account will have the
same registration as the account from which you are exchanging. Services for the
new account may be carried over by telephone request if preauthorized on the
existing account. For limitations on exchanging, see explanation of Excessive
Trading under Transaction Procedures and Special Requirements.
 
In Person
Drop off your New Account Form at any location listed on the cover and obtain a
receipt.
 
Through a Broker
If you buy or sell T. Rowe Price funds through anyone other than T.Rowe Price,
such as broker-dealers or banks, you may be charged transaction or service fees
by those institutions. No such fees are charged by T. Rowe Price Investment
Services or the T. Rowe Price funds for transactions conducted directly with the
fund.
 
 
 
 PURCHASING ADDITIONAL SHARES
 ----------------------------------------------------------
$100 minimum purchase; $50 minimum for retirement plans, Automatic Asset
Builder, and gifts or transfers to minors (UGMA/UTMA) accounts
 
By ACH Transfer
Use Tele*Access or your personal computer or call Investor Services if you have
established electronic transfers using the ACH network.
 
By Wire
Call Shareholder Services or use the wire address in Opening a New Account.
 
By Mail
1. Make your check payable to T. Rowe Price Funds (otherwise it may be
 returned).
 
2. Mail the check to us at the address shown below with either a fund
 reinvestment slip or a note indicating the fund you want to buy and your fund
 account number.
 
3. Remember to provide your account number and the fund name on the memo line of
 your check.
<PAGE>
 
Regular Mail
T. Rowe Price Funds Account Services P.O. Box 89000 Baltimore, MD 21289-1500
 
/(For mailgrams, express, registered, or certified mail, see previous section.)/
 
By Automatic Asset Builder
Fill out the Automatic Asset Builder section on the New Account or Shareholder
Services Form.
 
 
 
 EXCHANGING AND REDEEMING SHARES
 ----------------------------------------------------------
By Phone
Call Shareholder Services
If you find our phones busy during unusually volatile markets, please consider
placing your order by your personal computer, Tele*Access (if you have
previously authorized telephone services), mailgram, or express mail. For
exchange policies, please see Transaction Procedures and Special Requirements
- -Excessive Trading.
 
Redemption proceeds can be mailed to your account address, sent by ACH transfer,
or wired to your bank (provided your bank information is already on file). For
charges, see Electronic Transfers  - By Wire under Shareholder Services.
 
By Mail
For each account involved, provide the account name, number, fund name, and
exchange or redemption amount. For exchanges, be sure to indicate any fund you
are exchanging out of and the fund or funds you are exchanging into. Please mail
to the appropriate address below. T. Rowe Price requires the signatures of all
owners exactly as registered, and possibly a signature guarantee (see
Transaction Procedures and Special Requirements - Signature Guarantees).
 
Regular Mail
For nonretirement and IRA accounts
T. Rowe Price Account Services
 
P.O. Box 89000 Baltimore, MD 21289-0220
 
For employer-sponsored retirement accounts
T. Rowe Price Trust Company P.O. Box 89000 Baltimore, MD 21289-0300
 
/(For mailgrams, express, registered, or certified mail, see addresses under
Opening a New Account.)/
 
Redemptions from employer-sponsored retirement accounts must be in writing;
please call T. Rowe Price Trust Company or your plan administrator for
instructions. IRA distributions may be requested in writing or by telephone;
please call Shareholder Services to obtain an IRA Distribution Form or an IRA
Shareholder Services Form to authorize the telephone redemption service.
<PAGE>
 
 RIGHTS RESERVED BY THE FUND
 ----------------------------------------------------------
The fund and its agents reserve the right to waive or lower investment minimums;
to accept initial purchases by telephone or mailgram; to refuse any purchase
order; to cancel or rescind any purchase or exchange (for example, if an account
has been restricted due to excessive trading or fraud) upon notice to the
shareholder within five business days of the trade or if the written
confirmation has not been received by the shareholder, whichever is sooner; to
freeze any account and suspend account services when notice has been received of
a dispute between the registered or beneficial account owners or there is reason
to believe a fraudulent transaction may occur; to otherwise modify the
conditions of purchase and any services at any time; or to act on instructions
believed to be genuine.
 
 
 
 SHAREHOLDER SERVICES
 ----------------------------------------------------------
Shareholder Services 1-800-225-5132 1-410-625-6500 Investor Services
1-800-638-5660 1-410-547-2308
Many services are available to you as a T. Rowe Price shareholder; some you
receive automatically, and others you must authorize on the New Account Form. By
signing up for services on the New Account Form rather than later on, you avoid
having to complete a separate form and obtain a signature guarantee. This
section reviews some of the principal services currently offered. Our Services
Guide contains detailed descriptions of these and other services.
 
If you are a new T. Rowe Price investor, you will receive a Services Guide with
our Welcome Kit.
 
Note: Corporate and other institutional accounts require an original or
certified resolution to establish services and to redeem by mail. For more
information, call Investor Services.
 
Retirement Plans
We offer a wide range of plans for individuals, institutions, and large and
small businesses: IRAs, SIMPLE IRAs, SEP-IRAs, Keoghs (profit sharing, money
purchase pension), 401(k), and 403(b)(7). For information on IRAs, call Investor
Services. For information on all other retirement plans, including our no-load
variable annuity, please call our Trust Company at 1-800-492-7670.
 
Exchange Service
You can move money from one account to an existing identically registered
account or open a new identically registered account. Remember, exchanges are
purchases and sales for tax purposes. (Exchanges into a state tax-free fund are
limited to investors living in states where the fund is registered.) Some of the
T. Rowe Price funds may impose a redemption fee of 0.5% to 2% on shares held for
less than six months or one year, as specified in the prospectus. The fee is
paid to the fund.
 
Automated Services Tele*Access 1-800-638-2587 24 hours, 7 days
Tele*Access
24-hour service via toll-free number enables you to (1) access information on
fund yields, prices, distributions, account balances, and your latest
transaction; (2) request checks, prospectuses, services forms, duplicate
statements, and tax forms; and (3) initiate purchase, redemption, and exchange
transactions in your accounts (see Electronic Transfers below).
 
T. Rowe Price OnLine
24-hour service via dial-up modem provides the same services as Tele*Access but
on a personal computer. Please call Investor Services for an information guide.
<PAGE>
 
After obtaining proper authorization, account transactions may also be conducted
on the Internet.
 
Plan Account Line 1-800-401-3279
Plan Account Line
This 24-hour service is similar to Tele*Access, but is designed specifically to
meet the needs of retirement plan investors.
 
Telephone and Walk-In Services
Buy, sell, or exchange shares by calling one of our service representatives or
by visiting one of our investor center locations whose addresses are listed on
the cover.
 
Electronic Transfers
By ACH
With no charges to pay, you can initiate a purchase or redemption for as little
as $100 or as much as $100,000 between your bank account and fund account using
the ACH network. Enter instructions via Tele*Access or your personal computer,
or call Shareholder Services.
 
By Wire
Electronic transfers can be conducted via bank wire. There is currently a $5 fee
for wire redemptions under $5,000, and your bank may charge for incoming or
outgoing wire transfers regardless of size.
 
Checkwriting
(Not available for equity funds, or the High Yield or Emerging Markets Bond
Funds) You may write an unlimited number of free checks on any money market
fund, and most bond funds, with a minimum of $500 per check. Keep in mind,
however, that a check results in a redemption; a check written on a bond fund
will create a taxable event which you and we must report to the IRS.
 
Automatic Investing
($50 minimum) You can invest automatically in several different ways, including:
 
Automatic Asset Builder
You instruct us to move $50 or more from your bank account, or you can instruct
your employer to send all or a portion of your paycheck to the fund or funds you
designate.
 
Automatic Exchange
You can set up systematic investments from one fund account into another, such
as from a money fund into a stock fund.
 
 
 DISCOUNT BROKERAGE
 ----------------------------------------------------------
This additional service gives you the opportunity to easily consolidate all of
your investments with one company. Through our discount brokerage, you can buy
and sell individual securities  -  stocks, bonds, options, and others  -  at
commission savings over full-service brokers. We also provide a wide range of
services, including:
 
To open an account 1-800-638-5660 For existing discount brokerage investors
1-800-225-7720
Automated telephone and on-line services
You can enter trades, access quotes, and review account information 24 hours a
day, seven days a week. Any trades executed through these programs save you an
additional 10% on commissions.
 
Note: Discount applies to our current commission schedule, subject to our $35
minimum commission.
 
Investor information
A variety of informative reports, such as our Brokerage Insights series, S&P
Market Month newsletter, and select stock reports can help you better evaluate
economic trends and investment opportunities.
<PAGE>
 
Dividend Reinvestment Service
Virtually all stocks held in customer accounts are eligible for this service -
free of charge.
 
/Discount Brokerage is a division of //T. Rowe Price// Investment Services,
Inc., Member NASD/SIPC./
 
 
 INVESTMENT INFORMATION
 ----------------------------------------------------------
To help shareholders monitor their current investments and make decisions that
accurately reflect their financial goals, T. Rowe Price offers a wide variety of
information in addition to account statements.
 
Shareholder Reports
Fund managers' reviews of their strategies and results. If several members of a
household own the same fund, only one fund report is mailed to that address. To
receive additional copies, please call Shareholder Services or write to us at
100 East Pratt Street, Baltimore, Maryland 21202.
 
The T. Rowe Price Report
A quarterly investment newsletter discussing markets and financial strategies.
 
Performance Update
A quarterly review of all T. Rowe Price fund results.
 
Insights
Educational reports on investment strategies and financial markets.
 
Investment Guides
Asset Mix Worksheet, College Planning Kit, Diversifying Overseas: A T. Rowe
Price Guide to International Investing, How to Choose a Bond Fund, Personal
Strategy Planner, Retirees Financial Guide, Retirement Planning Kit, and Tax
Considerations for Investors.
<PAGE>
 
To help you achieve your financial goals, T. Rowe Price offers a wide range of
stock, bond, and money market investments, as well as convenient services and
timely, informative reports.
 
To Open a Mutual Fund Account
 Investor Services
 1-800-638-5660
 1-410-547-2308
 
For Existing Accounts
 Shareholder Services
 1-800-225-5132
 1-410-625-6500
 
For Yields, Prices, Account Information, or to Conduct Transactions
 Tele*Access/(R)/
 1-800-638-2587    24 hours, 7 days
 
To Open a Discount Brokerage Account
 1-800-638-5660
 
Plan Account Line
 1-800-401-3279
 For retirement plan investors
 
Investor Centers
 101 East Lombard St.
 Baltimore, MD 21202
 
 T. Rowe Price
 Financial Center
 10090 Red Run Blvd.
 Owings Mills, MD 21117
 
 Farragut Square
 900 17th Street, N.W.
 Washington, D.C. 20006
 
 ARCO Tower
 31st Floor
 515 South Flower St.
 Los Angeles, CA 90071
 
 4200 West Cypress St.
 10th Floor
 Tampa, FL 33607
 
Internet Address
 www.troweprice.com

Invest With Confidence
T. Rowe Price
Ram Logo
                                                    F43-040 5/13/98    






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