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T. ROWE PRICE
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U.S. Bond Index Fund, Inc.
Supplement to prospectus dated October 31, 2000
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The fund will begin operations on November 30, 2000. However, it will accept
purchase and exchange orders during a subscription period from November 1,
2000, to November 29, 2000. During this period, you may submit a purchase
request by:
. Check. Fill out the New Account Form and follow the "Opening a New Account"
instructions on page 23 of the prospectus. Subscriptions received by November
29, 2000, will be initially invested in the T. Rowe Price Prime Reserve Fund,
a money market fund. On November 30, 2000, your original and any subsequent
investments plus any dividends earned will be automatically exchanged into
the U.S. Bond Index Fund at a price of $10 per share.
. Exchange. Call Shareholder Services to place your exchange order. Your
investment will remain in your existing fund until November 30, 2000, at
which time your exchange will be automatically made into the U.S. Bond Index
Fund at a price of $10 per share. Remember that the value of your existing
fund may fluctuate between the time you place your order and the exchange
date.
. You may also purchase shares of the fund on or after November 30, 2000, via
exchange or any of the methods outlined in the prospectus.
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The date of this supplement is October 31, 2000.
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F134-041 10/31/00
