PLEASE FILE THIS PROSPECTUS SUPPLEMENT WITH YOUR RECORDS.
STRONG COMMON STOCK FUND
STRONG DISCOVERY FUND
STRONG GROWTH FUND
STRONG GROWTH 20 FUND
STRONG MID CAP FUND
STRONG OPPORTUNITY FUND
STRONG SMALL CAP VALUE FUND
Supplement to Prospectus dated May 1, 1998
as supplemented on October 30, 1998
STRONG MID CAP FUND
MEDIUM MARKET CAPITALIZATION. Effective immediately, the Strong Mid Cap Fund
will define "medium market capitalization companies" as companies with a market
capitalization of between $800 million and $8 billion at the time of investment
instead of $800 million to $5 billion.
NAME CHANGE. On January 29, 1999, the Board of Directors of the Strong Mid Cap
Fund changed the name of the Fund to the Strong Mid Cap Growth Fund (the
"Fund").
PORTFOLIO MANAGERS. Effective January 29, 1999, Mr. Ronald C. Ognar and Mr.
Derek V.W. Felske will become the co-portfolio managers of the Fund.
Information on Mr. Ognar can be found on page I-27 of the Fund's prospectus.
Mr. Felske joined Strong Capital Management, Inc., the Fund's investment
advisor (the "Advisor"), in January 1999. For three years prior to joining the
Advisor, Mr. Felske was the chief executive officer of Leawood Capital
Management LLC. From 1993 to 1996, Mr. Felske was a vice president and a
portfolio manager at Twentieth Century Companies, Inc. He co-managed the
Twentieth Century Ultra Fund and the Twentieth Century Growth Fund. From 1991
to 1993, Mr. Felske was a member of the portfolio management team at RCM
Capital Management. Mr. Felske received his bachelors degree in Economics from
Dartmouth College in 1980 and his Masters of Business Administration in Finance
and Accounting from Wharton Business School in 1991.
STRONG COMMON STOCK FUND AND STRONG OPPORTUNITY FUND
On December 30, 1998, Mr. Richard T. Weiss became the sole portfolio manager of
the Strong Common Stock Fund and the Strong Opportunity Fund.
The date of this Prospectus Supplement is February 5, 1999.
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