PLEASE FILE THIS PROSPECTUS SUPPLEMENT WITH YOUR RECORDS.
STRONG HERITAGE MONEY FUND
STRONG INVESTORS MONEY FUND
STRONG MONEY MARKET FUND
STRONG MUNICIPAL MONEY MARKET FUND
STRONG ADVANTAGE FUND
STRONG MUNICIPAL ADVANTAGE FUND
Supplement to the Prospectus dated March 1, 1999
STRONG MUNICIPAL MONEY MARKET FUND
Effective May 10, 1999, Mr. John C. Bonnell became a co-portfolio manager of
the Strong Municipal Money Market Fund ("Fund"). Mr. Bonnell joined Strong
Capital Management, Inc., the Fund's investment advisor ("Advisor"), in May
1999. For ten years prior to joining the Advisor, Mr. Bonnell worked at USAA
Investment Management Company, most recently serving as an executive director
and portfolio manager. From 1995 to 1996, Mr. Bonnell was a senior securities
analyst and from 1991 to 1995 he served as a securities analyst. From 1989 to
1991, Mr. Bonnell was a portfolio assistant. Mr. Bonnell received his
bachelors degree in Finance from the University of Texas in 1987 and his
Masters of Business Administration from St. Mary's University in 1991.
STRONG HERITAGE MONEY FUND
The following paragraph replaces the information contained under the heading
"Your Account - Additional Policies - Heritage Money Fund Account Maintenance
and Transaction Fees" found on page 27 of the Fund's prospectus:
For the HERITAGE MONEY FUND, a $3 fee will be charged for each exchange,
redemption, or check transaction. A $3 quarterly account maintenance fee is
also charged if the balance in your HERITAGE MONEY FUND is less than $25,000.
HOWEVER, WE WILL WAIVE THESE FEES IF YOUR COMBINED STRONG FUNDS' ACCOUNT
BALANCE IS $100,000 (OR HIGHER) AT THE END OF THE QUARTER DURING WHICH (1) YOU
EXCHANGED, REDEEMED, OR WROTE A CHECK, OR (2) YOUR ACCOUNT BALANCE FELL BELOW
$25,000.
STRONG INVESTORS MONEY FUND
The following information replaces the information related to the Strong
Investors Money Fund found on page 7 of the Fund's prospectus:
ANNUAL FUND OPERATING EXPENSES (AS A PERCENT OF AVERAGE NET ASSETS)
<TABLE>
<CAPTION>
<S> <C> <C> <C> <C> <C>
TOTAL ANNUAL FEE WAIVERS
MANAGEMENT OTHER FUND OPERATING AND/OR NET FUND
FUND FEES EXPENSES EXPENSES** ABSORPTIONS** EXPENSES
- ---------------- ----------- -------- -------------- -------------- --------
Investors Money 0.50% 1.50%* 2.00% 1.85% 0.15%
</TABLE>
*BASED ON ESTIMATED AMOUNTS FOR THE CURRENT FISCAL YEAR.
**WE HAVE CONTRACTUALLY AGREED TO WAIVE OUR MANAGEMENT FEES AND ABSORB EXPENSES
FOR THE INVESTORS MONEY FUND TO KEEP TOTAL EXPENSES AT OR BELOW (1) 0.15%
UNTIL SEPTEMBER 30, 1999, AND (2) 0.25% FROM OCTOBER 1 UNTIL DECEMBER 31, 1999.
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The following information replaces the information related to the Strong
Investors Money Fund found on page 22 of the Fund's prospectus:
For the STRONG INVESTORS MONEY FUND:
- - You may only open one regular account. You may not make additional purchases
after your account reaches $50,000. If you participate in an Automatic
Investment Plan, we will discontinue the plan after your account reaches
$50,000.
- - You may open up multiple IRA accounts. You may not make additional purchases
into your IRA accounts once the aggregate value of all of your IRA accounts
in the Fund reaches $50,000. If you participate in an Automatic Investment
Plan, we will discontinue the plan after the value of your IRA accounts
reaches $50,000.
The following information replaces the information related to the Strong
Investors Money Fund found on page 34 of the Fund's prospectus:
Additionally, with the STRONG INVESTORS MONEY FUND, we reserve the right to:
- - Redeem shares in your regular account that exceed $50,000 (exclusive of
dividends).
- - Redeem shares in your IRA accounts that, in the aggregate, exceed $50,000
(exclusive of dividends).
- - Close accounts and redeem all shares in the accounts if you have more than
one regular account.
The date of this Prospectus Supplement is May 24, 1999.
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