<PAGE>
Style Select Series, Inc.(R)
Supplement to the Prospectus dated April 1, 1999
Effective August 1, 1999, L. Roy Papp & Associates ("Papp") will no
longer serve as an adviser for a portion of the assets of the Large-Cap Growth
Portfolio. Jennison Associates, LLC ("Jennison"), pursuant to its Subadvisory
Agreement with SunAmerica, will assume subadvisory responsibilities for the
component. All references to Papp on pages 38 and 39 of the Prospectus are no
longer applicable.
References to Papp under the heading "STYLE-BASED PORTFOLIOS" on page
41 of the Prospectus are replaced with the following:
<TABLE>
<CAPTION>
Name, Title and Affiliation of
Portfolio Portfolio Manager Experience
- --------- ------------------------------ ----------
<S> <C> <C>
Large-Cap Growth Portfolio Spiros "Sig" Segalas Mr. Segalas is a founding
Portfolio Manager (Jennison) director of Jennison, which
was established in 1969, and
he has been a Director and
Equity Portfolio Manager
ever since. In addition,
Mr. Segalas has served as
President and Chief
Investment Officer of
Jennison since 1993 and
1971, respectively.
</TABLE>
******************************
Effective August 1, 1999, The Glenmede Trust Company ("Glenmede") will
no longer serve as an adviser for a portion of the assets of the Small-Cap Value
Portfolio. EQSF Advisers, Inc., commonly referred to as the Third Avenue Funds
("Third Avenue"), pursuant to its Subadvisory Agreement with SunAmerica, will
assume subadvisory responsibilities for the component. All references to
Glenmede on page 38 of the Prospectus are no longer applicable.
The fourth paragraph under the heading "DESCRIPTION OF THE ADVISERS" on
page 39 of the Prospectus is replaced with the following:
EQSF ADVISERS, INC. Third Avenue is located at 767 Third Avenue, New
York, New York 10017. Third Avenue has been an investment adviser and
manager for mutual funds and private accounts since its organization in
1986. As of June 28, 1999, Third Avenue had in excess of $1.8 billion
in assets under management.
<PAGE>
References to Glenmede under the heading "STYLE-BASED PORTFOLIOS" on
pages 44 and 45 of the Prospectus are replaced with the following:
<TABLE>
<CAPTION>
Name, Title and Affiliation of
Portfolio Portfolio Manager Experience
- --------- ------------------------------ ----------
<S> <C> <C>
Small-Cap Value Portfolio Martin J. Whitman Mr. Whitman has been Chief
Chairman, CEO and Portfolio Investment Officer of Third
Manager (Third Avenue) Avenue since 1991 and
Chairman and CEO since 1986.
Mr. Whitman also has been
Chairman and CEO of Third
Avenue Trust since 1990 and
was President from 1991 to
1998.
Curtis Jensen Mr. Jensen has been Co-
Portfolio Manager Portfolio Manager of Third
(Third Avenue) Avenue since 1997. Previously,
Mr. Jensen was a Research
Analyst at Third Avenue from
1995 to 1997.
</TABLE>
Dated: August 6, 1999
2
