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Prudential Mutual Funds
Prudential Index Series Fund--Prudential Stock Index Fund
Supplement to Prospectuses dated November 30, 1998
The following paragraph replaces the second paragraph under 'Shareholder
Guide--How to Buy Shares of the Fund--Eligible Purchasers':
Class I shares of the Prudential Stock Index Fund are available for
purchase by pension, profit-sharing or other employee benefit plans qualified
under Section 401 of the Internal Revenue Code, deferred compensation plans and
annuity plans under Sections 457 and 403(b), respectively, of the Internal
Revenue Code (collectively, Benefit Plans), provided that each Benefit Plan
has at least $50 million in aggregate assets and an average participant
account
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balance greater than $35,000. In addition, Benefit Plans with $150 million or
more in aggregate assets are eligible to purchase Class I shares regardless of
the average participant account balance. The term 'aggregate assets' as used in
this paragraph includes all Benefit Plan assets of an employer and its
affiliates for which Prudential Investments Retirement Services provides
participant-level recordkeeping services.
The date of this supplement is June 8, 1999.
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