Mairs and Power Funds

Notice to MAIRS AND POWER
BALANCED FUND Shareholders
Please be advised - the Mairs and Power Balanced Fund, Inc. will be mailing revised 1099-DIV forms to required shareholders of record for the 2009 tax year. If you previously received a 1099-DIV from the Mairs and Power Balanced Fund, Inc., a new one will be sent to your address of record beginning on February 4, 2010. Please contact shareholder services at 800.304.7404 for additional information.

Mairs and Power, Inc. is an SEC-registered investment advisory firm that has served a variety of clients since 1931. Based in St. Paul, Minnesota, the firm manages approximately $5 billion in assets including the Mairs and Power Growth Fund and the Mairs and Power Balanced Fund. An initial investment of US$2,500 is required for each particular fund; for Fund-based IRA accounts, the initial investment requirement is US$1,000.

For more fund-specific information, please use the navigation guides above. You may also call the Funds' toll-free shareholder services number at 1-800-304-7404.

IMPORTANT NOTICE
The Mairs and Power Balanced Fund and Mairs and Power Growth Fund are offered by Prospectus only. Both funds are not available for sale to investors residing outside of the United States. See each individual Fund for more information. You should read the Prospectus carefully before you invest. A Prospectus is available online at this web site. You may also obtain a fund Prospectus by calling shareholder services at 1-800-304-7404. This web site is not intended to be, nor should it be considered, a solicitation to buy or any offer to sell shares of the Mairs and Power Funds in any jurisdiction where the offer or solicitation would be unlawful under the securities laws of such jurisdiction.