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[THE VANGUARD GROUP LOGO]
VANGUARD(R) BALANCED INDEX FUND
SUPPLEMENT TO THE PROSPECTUS DATED OCTOBER 2, 2000
AN IMPORTANT MESSAGE ABOUT ADMIRAL(TM) SHARES
The Fund will begin offering its Admiral Shares on November 13, 2000. Any Fund
purchases prior to this date will be for Investor Shares. Once Admiral Shares
are available, Fund accounts meeting the minimum balance and tenure requirements
will be eligible for tax-free conversion to Admiral Shares.
For more information on Vanguard's Admiral program, including conversion
details, please contact us at 1-800-662-7447.
(C)2000 The Vanguard Group, Inc. All rights reserved. PS02N 102000
Vanguard Marketing Corporation, Distributor.