Lord Abbett Developing Growth Fund, Inc.
Supplement dated January 12, 2000 to
Prospectus dated June 1, 1999 (as Revised August 1, 1999)
Starting on February 1, 2000, Classes A, B, C and P will not be available for
purchase by new investors other than through certain qualified retirement
plans described below. Existing shareholders may continue to invest in the Fund
by adding to existing accounts. Qualified plans currently offering the Fund
as an investment option may open new participant accounts. However, it is the
Fund's intention not to accept any purchase order for more than $5 million.
Qualified retirement plans that are currently considering investing in the
but have not yet done so may invest in the Fund after February 1, 2000 only if
they or their representatives contact the Fund's distributor, Lord Abbett
Distributor LLC, by January 31, 2000 and receive approval for the investment.
If approved, a plan's initial investment may be made before or after January 31.
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Lord Abbett Developing Growth Fund, Inc.
Supplement dated January 12, 2000 to
Class Y Shares Prospectus dated May 1, 1999
Starting on February 1, 2000, Class Y shares of Lord Abbett Developing Growth
Fund will not be available for
purchase by new investors other than through certain qualified retirement
plans described below. Existing shareholders may continue to invest in the Fund
by adding to existing accounts. Qualified plans currently offering the Fund
as an investment option may open new participant accounts. However, it is the
Fund's intention not to accept any purchase order for more than $5 million.
Qualified retirement plans that are currently considering investing in the Fund
but have not yet done so may invest in the Fund after February 1, 2000 only if
they or their representatives contact the Fund's distributor, Lord Abbett
Distributor LLC, by January 31, 2000 and receive approval for the investment.
If approved, a plan's initial investment may be made before or after January 31.
