The Prudential Series Fund, Inc.

SP INVESCO Small Company Growth Portfolio

Prospectus dated May 1, 2003

Supplement dated April 5, 2004

Effective April 30, 2004, State Street Research and Management Company
("State Street") will replace INVESCO Institutional (N.A.) as subadviser
to the SP INVESCO Small Company Growth Portfolio.  Effective April 30,
2004, the name of the Portfolio will be the SP State Street Research
Small Cap Growth Portfolio.

The following supplements the discussion in the section of the prospectus
titled "How the Fund is Managed - Portfolio Managers:"

State Street Research and Management Company ("State Street") will serve
as the subadviser for the SP State Street Research Small Cap Growth
Portfolio effective April 30, 2004.  State Street traces its heritage
back to 1924 and the founding of one of America's first mutual funds.
As of December 31, 2003, State Street managed approximately $47.5 billion
in assets.  The address of State Street is One Financial Center, Boston,
Massachusetts 02111.

Tucker Walsh will be the lead portfolio manager and will be responsible
for the day-to-day management of the Portfolio.  Andrew Morey will be
portfolio manager of the Portfolio.  Mr. Walsh, a managing director,
joined State Street in 1997.  Mr. Morey, a senior vice president, joined
State Street in 1995.





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