MAIRS & POWER GROWTH FUND INC
485BPOS, 1997-04-30
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<PAGE>



                                                    Registration Number  2-14290

                          SECURITIES AND EXCHANGE COMMISSION
                               Washington D. C.  20549
                                           
                                      FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

    Post-Effective Amendment No. 49

and

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940

    Amendment No. 49

                          Mairs and Power Growth Fund, Inc.

- -------------------------------------------------------------------------------
                  (Exact Name of Registrant as Specified in Charter)

                         W-2062 First National Bank Building
                                 332 Minnesota Street
                               St. Paul, MN  55101-1363
- -------------------------------------------------------------------------------
(Address of Principal Executive Offices)      (Zip Code)

Registrant's Telephone Number, Including Area Code: (612) 222-8478

                           George A. Mairs, III, President
                         W-2062 First National Bank Building
                                 332 Minnesota Street
                                 St. Paul, MN  55101-1363
- -------------------------------------------------------------------------------
                       (Name  and Address of Agent for Service)


It is proposed that this filing will become effective (check appropriate box)

/ /      immediately upon filing pursuant to paragraph  (b)
/X/      on April 30, 1997 pursuant to paragraph   (b)
/ /      60 days after filing pursuant to paragraph  (a)
/ /      on (date) pursuant to paragraph  (a)  of Rule 485

- ----------------------------------------------------------------------------

The registrant has registered an indefinite number of shares of Common Stock,
par value $.01 per share, pursuant to Rule 24f-2 under the Investment Company
Act of 1940, as amended.  On February 25, 1997, the registrant filed a Rule
24f-2 Notice for the fiscal year ended December 31, 1996.

<PAGE>


                          MAIRS AND POWER GROWTH FUND, INC.
                          ---------------------------------

                                CROSS REFERENCE SHEET
                                ---------------------

Form N-1A Item
- --------------

Part A - Prospectus                       Heading in Prospectus
- -------------------                       ---------------------

1.  Cover Page                            Prospectus

2.  Synopsis                              Fund Expenses

3.  Condensed Financial Information       Financial Highlights

4.  General Description of Registrant     Investment Objective and Policies; the
                                          Fund; Risks

5.  Management of the Fund                Management of the Fund

5A. Management's Discussion of Fund       Management's Discussion of
    Performance                           Fund Performance

6.  Capital Stock and Other Securities    The Fund; Distributions and Tax
                                          Consequences

7.  Purchase of Securities Offered        Purchasing Shares; Determining Net
                                          Asset Value Per Share

8.  Redemption or Repurchase              Redeeming Shares

9.  Pending Legal Proceedings             Not Applicable

Part B - Statement of Additional          Heading in Statement of Additional 
Information                               Information
- --------------------------------          -----------------------------------

10. Cover Page                            Statement of Additional Information

1.  Table of Contents                     Table of Contents

12. General Information and History       Not Applicable

13. Investment Objectives and Policies    Investment Objective and Policies; 
                                          Investment Limitations; Portfolio 
                                          Turnover

14. Management of the Fund                Officers and Directors

<PAGE>

                          MAIRS AND POWER GROWTH FUND, INC.
                          ---------------------------------

                                CROSS REFERENCE SHEET
                                ---------------------

Form N-1A Item
- --------------

                                              Heading in Statement of Additional
Part B - Statement of Additional Information  Information 
- --------------------------------------------  ----------------------------------

15.  Control Persons and Principal Holders     Officers and Directors; Principal
     of Securities                             Holders of Securities

16.  Investment Advisory and Other Services    Investment Adviser; Transfer 
                                               Agent and Custodian

17.  Brokerage Allocation and Other Practices  Portfolio Transactions

18.  Capital Stock and Other Securities        (Included in Prospectus Under 
                                               "The Fund")

19.  Purchase, Redemption and Pricing of       Purchasing and Redeeming Shares
     Securities Being Offered  

20.  Tax Status                                (Included in Prospectus Under 
                                               "Distributions and Tax 
                                               Consequences")

21.  Underwriters                              Not Applicable

22.  Calculation of Performance Data           Not Applicable

23   Financial Statements                      Financial Statements

<PAGE>
                                                 MAIRS AND POWER
                                                 GROWTH FUND, INC.
                                                 W-2062 FIRST NATIONAL BANK
                                                 BLDG.
                                                 332 MINNESOTA STREET
                                                 ST. PAUL, MN 55101-1363
                                                 1-800-304-7404
 
                                           OBJECTIVE
                                                 The objective of the Fund is to
                                                 provide shareholders with a
                                                 diversified holding of
                                                 securities which appear to
                                                 offer marked possibilities for
                                                 long-term appreciation.
                                                 Normally these will be common
                                                 stocks.
 
                                                 This Prospectus, which should
                                                 be retained for future
                                                 reference, is designed to set
                                                 forth concisely the information
                                                 you should know before you
                                                 invest. A "Statement of
                                                 Additional Information" dated
                                                 April 30, 1997, and
                                                 incorporated herein by
                                                 reference, has been filed with
                                                 the Securities and Exchange
                                                 Commission. A copy of the
                                                 Statement may be obtained,
                                                 without charge, by writing to
                                                 or calling the Fund.
PROSPECTUS
April 30, 1997
 
                                           A NO-LOAD FUND
 
                                                 There is no sales charge for
                                                 the purchase or sale of Fund
                                                 shares.
 
                                                 THESE SECURITIES HAVE NOT BEEN
                                                 APPROVED OR DISAPPROVED BY THE
                                                 SECURITIES AND EXCHANGE
                                                 COMMISSION OR ANY STATE
                                                 SECURITIES COMMISSION, NOR HAS
                                                 THE SECURITIES AND EXCHANGE
                                                 COMMISSION OR ANY STATE
                                                 SECURITIES COMMISSION PASSED
                                                 UPON THE ACCURACY OR ADEQUACY
                                                 OF THE PROSPECTUS. ANY
                                                 REPRESENTATION TO THE CONTRARY
                                                 IS A CRIMINAL OFFENSE.
<PAGE>
- --------------------------------------------------------------------------------
                               TABLE OF CONTENTS
 
<TABLE>
<S>                                                           <C>
Fund Expenses...............................................      2
Condensed Financial Information.............................      3
Financial Highlights Chart..................................      3
Investment Objective and Policies...........................      4
Management of the Fund......................................      4
Management's Discussion of Fund Performance.................      5
Comparison Chart (Fund, S & P 500 Index, Consumer Price
 Index).....................................................      5
The Fund....................................................      6
Purchasing Shares...........................................      6
Redeeming Shares............................................      7
Distributions and Tax Consequences..........................      8
Determining Net Asset Value Per Share.......................      9
Other Services..............................................      9
Risks.......................................................     10
</TABLE>
 
- --------------------------------------------------------------------------------
 
FUND EXPENSES
 
  The purpose of the following table is to assist investors in understanding the
various costs and expenses that an investor in the Fund will bear directly or
indirectly, and importantly, to compare the expense of an investment in the Fund
with other similar investments.
 
<TABLE>
<S>                                                           <C>
                 SHAREHOLDER TRANSACTION EXPENSES
Maximum Sales Load Imposed on Purchases.....................  None
Maximum Sales Load Imposed on Reinvested Dividends and Other
 Distributions..............................................  None
Deferred Sales Load.........................................  None
Redemption Fees.............................................  None
Exchange Fee................................................  None
</TABLE>
 
<TABLE>
<S>                                                           <C>
ANNUAL FUND OPERATING EXPENSES FOR THE YEAR ENDED DECEMBER 31, 1996
                (AS A PERCENTAGE OF AVERAGE NET ASSETS)
Management Fees.............................................  0.60%
12b-1 Fees..................................................  0.00
Other Expenses..............................................  0.29
                                                              -----
Total Operating Expenses....................................  0.89%
                                                              -----
</TABLE>
 
<TABLE>
<CAPTION>
                EXAMPLE                    1 Year   3 Years   5 Years   10 Years
                                          --------  --------  --------  ---------
 
<S>                                       <C>       <C>       <C>       <C>
You would pay the following expenses on
a $1,000 investment, assuming (1) 5%
annual return and (2) redemption at the
end of each time period:                     $9       $29       $50       $110
</TABLE>
 
Although this example is based on actual expenses in the most recent year it
should not be considered a representation of past or future expenses; actual
expenses in future years may be greater or less than those shown.
 
                                       2
<PAGE>
CONDENSED FINANCIAL INFORMATION
 
  The following table shows certain important financial information which may be
helpful in evaluating the Fund's results. The information is derived from the
Fund's financial statements, which have been audited by Ernst & Young LLP,
independent auditors. The financial statements and auditors' report may be found
in the Fund's most recent annual report which may be obtained, without charge,
by writing to or calling the Fund at the number listed on the front of this
Prospectus.
 
                              FINANCIAL HIGHLIGHTS
            (SELECTED PER SHARE DATA AND RATIOS -- FOR EACH SHARE OF
               CAPITAL STOCK OUTSTANDING THROUGHOUT EACH PERIOD)
 
<TABLE>
<CAPTION>
                                                                        YEAR ENDED DECEMBER 31
                                        1996     1995     1994     1993     1992     1991     1990     1989     1988      1987
                                      ------------------------------------------------------------------------------------------
<S>                                   <C>       <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
PER SHARE
Net asset value, beginning of year    $  56.64  $ 39.37  $ 38.84  $ 35.91  $ 34.78  $ 25.94  $ 26.11  $ 22.21  $ 21.68  $  24.88
Investment operations:
  Net investment income                   0.75     0.51     0.67     0.43     0.41     0.38     0.42     0.42     0.41      0.37
  Net realized and unrealized gains
   (losses) on investments               14.19    18.83     1.49     4.15     2.28    10.43     0.53     5.74     1.74    (0.80)
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
Total from investment operations         14.94    19.34     2.16     4.58     2.69    10.81     0.95     6.16     2.15    (0.43)
Less distributions:
  Dividends (from net investment
   income)                              (0.71)   (0.56)   (0.65)   (0.43)   (0.40)   (0.39)   (0.42)   (0.43)   (0.41)    (0.48)
  Distributions (from capital gains)    (1.39)   (1.51)   (0.98)   (1.22)   (1.16)   (1.58)   (0.70)   (1.83)   (1.21)    (2.29)
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
Total distributions                     (2.10)   (2.07)   (1.63)   (1.65)   (1.56)   (1.97)   (1.12)   (2.26)   (1.62)    (2.77)
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
Net asset value, end of year          $  69.48  $ 56.64  $ 39.37  $ 38.84  $ 35.91  $ 34.78  $ 25.94  $ 26.11  $ 22.21  $  21.68
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
TOTAL INVESTMENT RETURN                  26.4%    49.3%     5.6%    12.9%     7.8%    42.1%     3.7%    28.1%    10.0%    (2.3)%
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
                                      --------  -------  -------  -------  -------  -------  -------  -------  -------  --------
NET ASSETS, END OF YEAR
  (000'S OMITTED)                      150,162   70,537   41,890   39,081   34,363   31,441   22,501   22,630   20,630    19,816
RATIOS/SUPPLEMENTAL DATA:
  Ratio of expenses to average net
   assets                                0.89%    0.99%    0.99%    0.98%    1.00%    1.09%    1.05%    1.07%    1.11%     1.04%
  Ratio of net investment income to
   average net assets                    1.18%    1.00%    1.74%    1.15%    1.19%    1.18%    1.65%    1.63%    1.78%     1.34%
  Portfolio turnover rate                3.19%    3.87%    5.09%    4.39%    4.19%    4.54%    4.88%    2.11%    4.11%     2.71%
  Average commission rate paid        $  .1568        -        -        -        -        -        -        -        -         -
</TABLE>
 
                                       3
<PAGE>
INVESTMENT OBJECTIVE AND POLICIES
 
  The Fund's objective is to provide its shareholders with a diversified holding
of securities which appear to offer marked possibilities for long-term capital
appreciation. It is expected that common stocks will continue to be the primary
emphasis in the portfolio. Preference is given to holdings in high quality
companies characterized by reasonably predictable earnings, above average return
on equity, market dominance and financial strength. Because we recognize that
smaller capitalization companies provide somewhat higher returns over longer
time frames, some emphasis is placed on small to medium sized companies,
generally located in our geographic region, that may be under-owned by
institutional investors. Assets of the Fund will be reasonably fully invested at
all times. Cash, bank certificates of deposit and short-term debt securities may
be held in modest amounts to provide a reserve for future purchases or better
enable the Fund to achieve its objective. Portfolio turnover is expected to be
modest in relation to comparable mutual funds.
 
  A detailed description of the Fund's investment limitations is contained in
the Statement of Additional Information. Such limitations are fundamental
policies which cannot be changed without the approval of a majority of the
Fund's shareholders, as defined in the Statement of Additional Information. The
Fund will not invest in oil, gas or other mineral leases and real estate limited
partnership interests.
 
MANAGEMENT OF THE FUND
 
  The Board of Directors has overall responsibility for the Fund. The Fund
employs Mairs and Power, Inc., W-2062 First National Bank Building, 332
Minnesota Street, St. Paul, Minnesota 55101-1363, to manage the Fund's
investment portfolio and certain other business affairs under a contract that
compensates Mairs and Power, Inc. at the rate of one-twentieth of one percent of
the Fund's month-end net asset value (0.6% annually), computed and paid each
month. Mairs and Power, Inc. has managed mutual funds since 1958 and has
provided investment counsel services in St. Paul since 1931.
 
  George A. Mairs, III, President of Mairs and Power, Inc. is primarily
responsible for the day-to-day management of the Fund's portfolio. Mr. Mairs has
been an officer and director of Mairs and Power, Inc. since 1961.
 
  Firstar Trust Company acts as the Fund's Transfer Agent and Dividend
Disbursing Agent and is reimbursed for all expenditures incurred in the
discharge of these duties. Prior to May 1, 1996, Mairs and Power, Inc. acted as
Transfer Agent and Dividend Disbursing Agent for the Fund. The ratio of the
transfer agent fee to average net assets in 1996 was 0.08%.
 
  Effective May 1, 1996, Firstar Trust Company was retained as Custodian for the
Fund pursuant to the terms of a custodial agreement which must be approved
annually by the Board of Directors. Prior to May 1, 1996, Norwest Bank
Minnesota, N.A. acted as Custodian for the Fund. Firstar Trust Company controls
all securities and cash for the Fund, receives and pays for securities
purchased, delivers against payment for securities sold, receives and collects
income from investments, makes all payments for Fund expenses and performs other
administrative services, all as directed in writing by authorized officers of
the Fund. The ratio of the custodial fee to average net assets in 1996 was
0.02%.
 
  The ratio of the management fee to average net assets in 1996 was 0.6%; the
ratio of total Fund operating expenses to average net assets ("expense ratio")
was 0.89%. Mairs and Power, Inc. has agreed with the Fund that the expense ratio
will not exceed the lowest expense limitation of any state in which the Fund's
shares are sold.
 
                                       4
<PAGE>
MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE
 
1996 IN REVIEW
 
  1996 was an excellent year for Mairs and Power Growth Fund shareholders. The
Fund achieved a 26.4% return for the year after adjustment for reinvestment of
cash dividends and the capital gain distribution. This compares favorably with a
return of 23.0% for the Standard & Poor's 500 Stock Index and 19.5% for the
average diversified U.S. stock fund.
 
  The strong stock market in 1996 was largely a reflection of the solid,
non-inflationary growth which took place in the U.S. economy, which expanded an
inflation-adjusted 3.4% from the fourth quarter of 1995 to the fourth quarter of
1996. Corporate earnings once again exceeded general expectations with earnings
for the S&P 500 rising about 10%. The profits now being reported by U.S.
companies are of the highest quality in many years because inflation is not a
factor and accounting standards have become increasingly conservative. Investors
were further encouraged by the fact that the U.S. economy continues to grow more
rapidly than those of either Japan or Western Europe, which has resulted in
pronounced strength in the U.S. dollar on foreign currency exchanges. Also,
fiscal policy continues to move in a more conservative direction and in fiscal
1996 the federal deficit declined to 1.5% of GDP, down from 4.9% in 1992.
Furthermore, policy-makers appear intent on moving the country in the direction
of further deficit reduction.
 
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<CAPTION>
 COMPARISON OF CHANGE IN VALUE OF $10,000 INVESTMENT
  IN FUND, S & P 500 INDEX, AND THE CONSUMER PRICE
                        INDEX
<S>                                                    <C>        <C>        <C>
                                                            Fund        S&P        CPI
1986                                                       10000      10000      10000
1987                                                        9767      10520      10370
1988                                                       10742      12266      10795
1989                                                       13757      16142      11313
1991                                                       14262      15626      11924
1991                                                       20259      20392      12425
1992                                                       21847      21962      12798
1993                                                       24657      24180      13143
1994                                                       26045      24494      13498
1995                                                       38890      33690      13836
1996                                                       49157      41432      14292
AVERAGE ANNUAL TOTAL RETURN
                                                          1 Year     5 Year    10 Year
                                                           26.4%      19.4%      17.3%
Past investment results should not
be taken as necessarily representative
of future performance.
</TABLE>
 
                                       5
<PAGE>
THE FUND
 
  The Fund is an open-ended, diversified management company which was
incorporated in Minnesota in 1958. The fund has authorized capital stock of
10,000,000 shares, $0.01 par value per share. Each share entitles the holder to
one vote at all meetings of Fund shareholders and to participate equally in
dividends and distributions declared by the Fund, and in its remaining net
assets on liquidation after satisfaction of outstanding liabilities. Fund shares
are fully paid and non-assessable when issued, have no preemptive, conversion,
or cumulative voting rights, are transferable without restrictions and are
redeemable at net asset value.
 
PURCHASING SHARES
 
  Shares of the Fund may be purchased, with no sales charge, from Firstar Trust
Company, the Fund's Custodian and Transfer Agent. The price per share will be
the net asset value next computed after the time the application and funds are
received in proper order by the Transfer Agent. The determination of net asset
value for a particular day is applicable to all applications for the purchase of
shares received at or before the close of trading on the New York Stock Exchange
(the "Exchange") on that day (usually 3:00 p.m. Central time). Accordingly,
purchase orders received on a day the exchange is open for trading, prior to the
close of trading on that day, will be valued as of the close of trading on that
day. Applications for purchase of shares after the close of trading on the
exchange will be based upon the net asset value as determined as of the close of
trading on the next day the exchange is open.
 
  An initial purchase must be at least $2,500 ($1,000 for an IRA account) and
each subsequent purchase must be at least $100, although the Fund reserves the
right to waive or change these minimums at its discretion. All applications to
purchase capital stock are subject to acceptance or rejection by authorized
officers of the Fund and are not binding until accepted. Applications will not
be accepted unless accompanied by payment in U.S. funds. Payment should be made
by check drawn on a U.S. bank, savings and loan, or credit union. The Fund will
not accept payment in cash or third party checks for the purchase of shares.
 
  The custodian will charge a $20 fee against a shareholder's account, in
addition to any loss sustained by the Fund, for any payment check returned to
the custodian for insufficient funds. It is the policy of the Fund not to accept
applications under circumstances or in amounts considered disadvantageous to
shareholders; for example, if an individual previously tried to purchase shares
with a bad check, or the proper social security number or tax identification
number is omitted, the Fund reserves the right not to accept future applications
from such individual. The Fund reserves the right to reject any application
which does not include a certified social security or tax identification number.
 
  Stock certificates will not ordinarily be issued unless the investor requests
a certificate in writing. The Fund will invest the entire dollar amount of each
purchase order in full and fractional Fund shares and, unless otherwise
instructed, will reinvest all income dividends and capital gains distributions
in additional full and fractional shares. Investors may, however, request that
income dividends and/or capital gains distributions be paid in cash.
 
  The Fund does not consider the U.S. Postal Service or other independent
delivery services to be its agents. Therefore, deposit in the mail or with such
services, or receipt at the Custodian's post office box, of purchase
applications does not constitute receipt by the Custodian or the Fund.
 
                                       6
<PAGE>
Mailing Address:    Mairs and Power Growth Fund, Inc.
                  Mutual Fund Services
                 P.O. Box 701
                 Milwaukee, WI 53201-0701
 
Overnight Deliveries -- Purchase orders, redemption requests or correspondence
mailed by overnight courier should be sent to the fund at:
 
                  Mairs and Power Growth Fund, Inc.
                 Mutual Fund Services
                 615 East Michigan Street
                 Milwaukee, WI 53202-5207
 
REDEEMING SHARES
 
  Shareholders may redeem for cash all or a portion of their shares by
instructing the Fund's Transfer Agent at its office in Milwaukee, Wisconsin.
Shares will be redeemed at the net asset value next computed after the receipt
of a redemption request and acceptance by the Fund. The determination of net
asset value for a particular day is applicable to all requests for the
redemption of shares received at or before the close of trading on the New York
Stock Exchange (the "Exchange") on that day (usually 3:00 p.m. Central time).
Requests received for redemption on a day the exchange is open for trading,
prior to the close of trading on that day, will be valued as of the close of
trading on that day. Requests for redemption of shares received after the close
of trading on the exchange will be based upon the net asset value as determined
as of the close of trading on the next day the exchange is open. A redemption
request must be in "good order" before the proceeds can be released. This means
the following will be required:
 
(a) A letter of instruction or a stock assignment specifying the account number,
    number of shares or dollar amount to be redeemed, signed by all owners of
    the shares exactly as their names appear in the Fund's shareholder records.
    If certificates have been issued representing shares to be redeemed, they
    must accompany the letter.
 
(b) A guarantee of the signature of each owner by an eligible signature
    guarantor such as a U.S. commercial bank, trust company, or member of the
    New York Stock Exchange for redemption requests greater than $10,000.
 
(c) In the case of estates, trusts, guardianships, custodianships, corporations
    and pension and profit-sharing plans, other supporting legal documents may
    be required.
 
(d) A guarantee of the signature of each owner by an eligible signature
    guarantor such as a U.S. commercial bank, trust company, or member of the
    New York Stock Exchange, if the address of record has been changed within
    the 15 days preceding any liquidation.
 
  If the proceeds of any redemption are requested to be made payable to or sent
to other than the address of record, the signature(s) on the request must be
guaranteed by an eligible signature guarantor such as a commercial bank, trust
company, or a member of the New York Stock Exchange.
 
  If any portion of the shares to be redeemed represents an investment made by
check, the Fund may delay the payment of the redemption proceeds until the
transfer agent is reasonably satisfied that the check has been collected, which
may take up to twelve days from the purchase date.
 
                                       7
<PAGE>
  Payment for shares redeemed will be mailed to you typically within one or two
business days, but no later than the seventh business day after receipt by the
Transfer Agent of the redemption request in good order, or within such shorter
period as may legally be required. If payment of liquidation proceeds is to be
made by Fed wire transfer, a $12 wire fee will be applied.
 
  The Fund may be required to withhold federal income tax at a rate of 31%
(backup withholding) from dividend payments, distributions, and redemption
proceeds if a shareholder fails to furnish the Fund with his or her social
security or tax identification number. The shareholder also must certify that
the number is correct and that he or she is not subject to backup withholding.
The certification is included as part of the share purchase application form. If
the shareholder does not have a social security number, he or she should
indicate on the purchase form that an application to obtain a number is pending.
The Fund is required to withhold taxes if a number is not delivered to the Fund
within seven days.
 
  No redemption request will become effective until all documents have been
received in proper form by the Transfer Agent. The shareholder should contact
the Transfer Agent for further information concerning documentation required for
a redemption of Fund shares.
 
  Shareholders who have an IRA or other retirement plan must indicate on their
redemption request whether or not to withhold federal income tax. Redemption
requests failing to indicate an election not to have tax withheld will be
subject to withholding.
 
  The right of redemption may be suspended or the date of payment may be
postponed (1) during weekend or holiday closings, or when trading is restricted
as determined by the Securities and Exchange Commission ("SEC"), (2) during any
period when an emergency exists as determined by the SEC as a result of which it
is not reasonably practicable for the Fund to dispose of securities owned by it
or to fairly determine the value of its net assets, and (3) for such a period as
the SEC may permit. A redemption order may not be canceled or revoked by the
shareholder once it has been received and accepted by the Fund. Since the
redemption price is the net asset value per share determined at the same time
and in the same manner as for a purchase order received at that time, it
reflects the market value of the Fund's investments at the time of redemption.
This value may be more or less than the price originally paid for the shares,
and the investor may realize a gain or loss on redemption.
 
DISTRIBUTIONS AND TAX CONSEQUENCES
 
  The Fund distributes all of its net investment income to shareholders in the
form of semi-annual dividends, normally in June and December. If net capital
gains are realized, the Fund will distribute them near year-end in the year in
which such gains are realized. The Fund intends to comply, as it did in 1996,
with the special provisions of Subchapter M of the Internal Revenue Code that
relieve it from federal income tax on net investment income and capital gains
currently distributed to shareholders. The Internal Revenue Code requires all
regulated investment companies to pay a nondeductible 4% excise tax if at least
98% of ordinary income and 98% of capital gains are not paid out to shareholders
during the year in which they are earned or realized. The Fund intends to
distribute income and capital gains in such a manner as to avoid the imposition
of this excise tax.
 
  Fund shareholders will be subject to federal income tax at ordinary rates on
distributions of investment income and short-term capital gains. Distributions
of net long-term capital gains are taxable to Fund shareholders as long-term
capital gain regardless of the length of time shares of the Fund are held.
Short-term capital gains are taxed at the same rate as an individual's ordinary
income; long-term capital gains are taxed at a maximum rate of 28%. Dividends
and distributions will be taxable whether received in cash or
 
                                       8
<PAGE>
reinvested in additional shares of the Fund. Shareholders will be advised
annually as to the source of distributions for tax purposes. Distributions may
also be subject to state and local taxes. Shareholders not subject to tax on
income will not be required to pay tax on amounts distributed from the Fund.
 
  The Fund's dividends and distributions are paid on a per share basis. At the
time of such payment, therefore, the value of each share will be reduced by the
amount of the payment. If shares are purchased shortly before the payment of a
dividend or a capital gains distribution, purchasers will pay the full price for
the shares and then receive some portion of the price back as a taxable dividend
or distribution.
 
  The foregoing is a general summary of current federal income tax law regarding
the Fund. Investors should consult with their own tax adviser regarding federal,
state and local tax consequences of an investment in the Fund.
 
DETERMINING NET ASSET VALUE PER SHARE
 
  The net asset value per share for purchase and redemption orders is determined
once daily, as of the close of regular trading hours on the New York Stock
Exchange (currently 3:00 p.m., Central time) on each day the New York Stock
Exchange is open for trading. As a result, shares of the Fund will not be priced
on the days which the Exchange observes: New Year's Day, Presidents' Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and
Christmas Day. Net asset value per share is calculated by dividing the total
market value of the Fund's investments and other assets, less any liabilities,
by the total outstanding shares of the Fund. Securities traded on one or more of
the national securities exchanges are valued at the last sale price on the
securities exchange on which such securities are primarily traded or at the last
sale price on the national securities market. For securities where quotations
are not readily available, or where the last quoted sale price is not considered
representative of the value of that security if it were to be sold on that day,
the security will be valued at fair value as determined in good faith by Mairs
and Power, Inc.
 
  The Fund's securities may be valued based on valuations provided by an
independent pricing service. These valuations are reviewed by Mairs and Power,
Inc. If Mairs and Power, Inc. believes that a valuation received from the
service does not represent a fair value, it values the security by a method that
Mairs and Power, Inc. believes will determine a fair value.
 
OTHER SERVICES
 
  Shareholder Reports -- Shareholders will receive a confirmation statement
reflecting each purchase and redemption of Fund shares, as well as periodic
statements detailing distributions made by the Fund. In addition, the Fund will
send shareholders quarterly and annual reports showing its portfolio holdings
and will provide tax information annually.
 
  Systematic Withdrawals -- Shareholders may arrange to have quarterly or
monthly withdrawals of cash from an account by sending a systematic withdrawal
request to the Fund. Withdrawal payments are derived from liquidation of
sufficient shares from a shareholder's account to meet the designated payments.
The withdrawal plan may be terminated at any time by writing to the Fund. The
minimum investment to establish a systematic withdrawal program is $10,000.
 
  Retirement Plans -- The Fund sponsors IRA, SEP-IRA, and Keogh retirement
plans, information on which is available on request from the Fund's Transfer
Agent.
 
                                       9
<PAGE>
  Wire Instructions -- Shareholders should use the following instructions when
wiring funds to Firstar Trust Company for the purchase of fund shares.
IMPORTANT: Prior to wiring any funds, the shareholder should notify Firstar
Trust Company at 1-800-304-7404 that the wire will be sent and to verify the
proper wire instructions so that the wire is properly applied when received.
 
<TABLE>
<S>             <C>
Wire to:        Firstar Bank Milwaukee, N.A.
                ABA Number 075000022
 
Credit:         Firstar Trust Company
                Account 112-952-137
 
Further         Mairs and Power Growth Fund, Inc.
Credit:         [Shareholder Account Number]
                [Shareholder Name/Registration]
 
Mailing Address -- The following mailing address should be used for all written
shareholder communications to Firstar Trust Company:
 
                Mairs and Power Growth Fund, Inc.
                Mutual Fund Services
                P.O. Box 701
                Milwaukee, WI 53201-0701
 
Overnight Deliveries -- Purchase orders, redemption requests or correspondence mailed by
overnight courier should be sent to the Fund at:
 
                Mairs and Power Growth Fund, Inc.
                Mutual Fund Services
                615 East Michigan Street, 3rd Floor
                Milwaukee, WI 53202-5207
</TABLE>
 
RISKS
 
  All investments have risks. Although the Fund cannot eliminate all risk, it
seeks to moderate risk by investing in a diversified portfolio. Long-term
investors, for whom the Fund is designed, should be prepared to accept
fluctuations in portfolio value as the Fund seeks to achieve its investment
objective. There can be no assurance, of course, that the Fund will achieve its
objective.
 
  The Fund is subject to the general risk of adverse market conditions for
equity securities. The market prices of equity securities are generally subject
to greater volatility than prices of fixed income securities, such as bonds and
other debt obligations. Although equity securities have generally demonstrated
long-term increases in value, their prices may fluctuate markedly over the
short-term due to changing market conditions, interest rate fluctuations and
various economic and political factors.
 
                                       10
<PAGE>
                             OFFICERS AND DIRECTORS
- --------------------------------------------------------------------------------
 
    George A. Mairs, III ............................ President and Director
    William B. Frels ................................ Secretary and Director
    Peter G. Robb .............................. Vice President and Director
    Lisa J. Hartzell ............................................. Treasurer
    Litton E.S. Field ............................................. Director
    Donald E. Garretson ........................................... Director
    J. Thomas Simonet ............................................. Director
 
    NEW ACCOUNT INFORMATION:
 
    1-800-304-7404
 
    SHAREHOLDER ACCOUNT INFORMATION:
 
    1-800-304-7404
 
    TRANSFER AGENT AND CUSTODIAN:
 
    Firstar Trust Company
    P.O. Box 701
    Milwaukee, Wisconsin 53201-0701
    (REGULAR MAIL ADDRESS)
 
    Mutual Fund Services
    615 East Michigan Street, 3rd Floor
    Milwaukee, Wisconsin 53202-5207
    (OVERNIGHT OR EXPRESS MAIL ADDRESS)
 
    INDEPENDENT AUDITORS
 
    Ernst & Young LLP
    1400 Pillsbury Center
    200 South Sixth Street
    Minneapolis, Minnesota 55402
 
    INVESTMENT ADVISER
 
    Mairs and Power, Inc.
    W-2602 First National Bank Building
    332 Minnesota Street
    St. Paul, Minnesota 55101-1363
 
                                       11
<PAGE>
                                MAIRS AND POWER
                               GROWTH FUND, INC.
                                   PROSPECTUS
                                 APRIL 30, 1997
<PAGE>

                      MAIRS AND POWER GROWTH FUND, INC.

                     STATEMENT OF ADDITIONAL INFORMATION

                             Dated April 30, 1997


     Mairs and Power Growth Fund, Inc. (the "Fund"), is a no-load mutual fund
that has as its investment objective the holding of a diversified list of
securities, normally common stocks, which appear to offer marked possibilities
for long-term appreciation.

     This Statement of Additional Information is not a prospectus, but contains
information in addition to and more detailed than what is contained in the
Fund's Prospectus.  It should be read in conjunction with the Prospectus, dated
April 30, 1997, which has been filed with the Securities and Exchange Commission
and can be obtained, without charge, by calling or writing the Fund.  This
Statement of Additional Information has been incorporated by reference into the
Prospectus.  The address of the Fund is W-2062 First National Bank Building, 
332 Minnesota Street, St. Paul, MN 55101-1363, and its telephone number is 
1-800-304-7404.



                              Table of Contents


Investment Objective and Policies. . . . . . . . . . . . . . . . . . . . . . . 2

Investment Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Portfolio Turnover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Purchasing and Redeeming Shares. . . . . . . . . . . . . . . . . . . . . . . . 3

Principal Holders of Securities. . . . . . . . . . . . . . . . . . . . . . . . 3

Officers and Directors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Investment Adviser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Transfer Agent and Custodian . . . . . . . . . . . . . . . . . . . . . . . . . 5

Portfolio Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Financial Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6


<PAGE>


INVESTMENT OBJECTIVE AND POLICIES

     As discussed in "Investment Objective and Policies" in the Fund's
Prospectus, the Fund will normally be fully invested in common stocks that
appear to offer marked possibilities for long-term appreciation.

INVESTMENT LIMITATIONS

     The Fund is subject to the following restrictions which may not be changed
without the approval of a majority of the shareholders of the Fund.  The vote of
a majority of the shareholders means the vote, at the annual or a special
meeting of the security holders, of holders representing (a) 67% or more of the
voting securities present at such meeting, if the holders of more than 50% of
the outstanding voting securities are present or represented by proxy; or (b)
more than 50% of the outstanding voting securities, whichever is less.  The Fund
may not:

(1)  Purchase securities of any issuer if as a result, (a) more than 5% of the 
     value of the assets of the Fund would then be invested in the securities of
     a single issuer (other than U.S. Government obligations), or (b) more than 
     10% of any class of securities, or more than 10% of the outstanding voting 
     securities, of the issuer would then be held by the Fund;

(2)  Purchase securities of other investment companies if as a result more than 
     5% of the Fund's total assets would then be (a) invested in the securities 
     of that investment company, or (b) more than 10% of the Fund's assets would
     then be invested in securities of all investment companies;

(3)  Concentrate more than 20% of its investments in a particular industry;

(4)  Purchase or sell real estate, real estate investment trusts, or other 
     interests in real estate which are not readily marketable;

(5)  Write, purchase or sell puts, calls, or combinations thereof;

(6)  Make loans (although it may acquire portions of an issuer's publicly 
     distributed securities);

(7)  Purchase securities on margin or sell short;

(8)  Borrow money, except that the Fund may borrow from banks up to 5% of its 
     total assets to pay capital gains distributions, to pay income
     dividends, or to relieve an extraordinary or emergency situation, but not 
     for investment purposes;

(9)  Mortgage, pledge, hypothecate, or in any manner transfer, as security for 
     indebtedness, any securities owned or held by the Fund;

(10) Participate on a joint or a joint and several basis in any trading account 
     in securities;

(11) Invest in companies for the purpose of exercising control of management;

(12) Act as an underwriter of securities of other issuers;


                                       2
<PAGE>

(13) Purchase or retain the securities of any issuer if officers and directors 
     of the Fund or its investment adviser who own individually more than 
     one-half of one per cent of the securities of such issuer, together own 
     more than 5% of the securities of such issuer;

(14) Purchase or sell commodities or commodity contracts in the ordinary course 
     of its business;

(15) Purchase or sell "restricted securities" in such a way as to become an 
     "underwriter" within the meaning of that term as used in the Securities Act
     of 1933.

PORTFOLIO TURNOVER

     The annual portfolio turnover rate for the Fund was 3.19% for the year 
ended December 31, 1996 and 3.87% for the year ended December 31, 1995.  The 
Fund has not placed any limit on its rate of portfolio turnover and 
securities may be sold without regard to the time they have been held when in 
the opinion of the Investment Adviser investment considerations warrant such 
action.  Portfolio turnover rate is calculated by dividing the lesser of the 
Fund's annual sales or purchases of portfolio securities (exclusive of 
securities with maturities of one year or less at the time the Fund acquired 
them) by the monthly average value of the securities in the Fund's portfolio 
during the year.

PURCHASING AND REDEEMING SHARES

     The purchase and redemption of the Fund's shares are subject to the 
procedures described in "Purchasing Shares" and "Redeeming Shares" in the 
Fund's Prospectus, which is incorporated herein by reference.

PRINCIPAL HOLDERS OF SECURITIES

     As of March 31, 1997, there were no shareholders who held more than 5% 
of the Fund's outstanding shares.

OFFICERS AND DIRECTORS

     The officers and directors of the Fund and their principal occupations 
for the last five years are set forth below.  Unless otherwise noted, the 
address for each director and officer is 332 Minnesota Street, W-2062 First 
National Bank Bldg., St. Paul, MN 55101-1363.


                                       3
<PAGE>
<TABLE>
<CAPTION>
                                   Position(s) Held               Principal Occupation(s) During
Name, Address and Age              With Registrant                Past 5 Years
- ---------------------              --------------------------     ----------------------------------------------
<S>                                <C>                            <C>
George A. Mairs, III,* 68          President and Director         President of the Investment Adviser

William B. Frels,* 57              Secretary and Director         Vice President and Secretary of the Investment
                                                                  Adviser (July 1992 to Present); Vice President
                                                                  and Senior Investment Officer, American National
                                                                  Bank and Trust Company of St. Paul, MN
                                                                  (September 1990 to June 1992)

Peter G. Robb,* 48                 Vice President and Director    Vice President of the Investment Adviser (June
                                                                  1994 to Present); Vice President and Portfolio
                                                                  Manager, First Trust, N.A., St. Paul, MN (June
                                                                  1986 to April 1994) 

Lisa J. Hartzell, 52               Treasurer                      Manager of Mutual Fund Services of the 
                                                                  Investment Adviser (May 1996 to Present); Fund
                                                                  Administrator of the Investment Adviser
                                                                  (February 1993 to April 1996); Paralegal,
                                                                  Oppenheimer Wolff & Donnelly Law Firm (October
                                                                  1983 to February 1993)

Litton E.S. Field, 74              Director                       Chairman, T.C. Field & Co. Insurance Agency
530 North Robert Street
St. Paul, MN  55101

Donald E. Garretson, 75            Director                       Retired Vice President, 3M Company
709 Linwood Avenue
St. Paul, MN  55105

J. Thomas Simonet, 70              Director                       Retired Chief Executive Officer, First Trust 
315 Stonebridge Boulevard                                         Company
St. Paul, MN  55105

</TABLE>

*Interested person of the Fund, as defined in the Investment Company Act 
 of 1940.

     All of the above listed persons serve in the same officer and/or 
director capacities with Mairs and Power Income Fund, Inc., an open-end 
investment company which also retains Mairs and Power, Inc. as its investment 
adviser, except that Mr. Frels is President and Mr. Mairs is Secretary of 
that fund.

     The Fund's non-interested directors are members of the Audit Committee 
which makes recommendations to the Board regarding the selection of auditors 
and confers with the auditors regarding the scope and results of the annual 
audit. The Fund does not pay any remuneration to its officers and directors 
other than fees to Directors who are not officers, directors, employees or 
holders of 5% or more of the outstanding voting securities of the Fund's 
Investment Adviser, which totaled $22,275 in 1996.  As of March 31, 1997, the 
directors and officers of the Fund, as a group, and their spouses and minor 
children owned beneficially 66,819 shares, or 2.4% of the Fund.


                                       4
<PAGE>

INVESTMENT ADVISER

     Mairs and Power, Inc., a Minnesota corporation, is the Investment 
Adviser of the Fund.  Mairs and Power, Inc. shareholders, all of whom are 
officers and directors of the Fund, along with their percentage ownership 
positions in Mairs and Power, Inc., are listed below:
                    
               George A. Mairs, III        44.4%
               William B. Frels            35.4%
               Peter G. Robb               19.5%

     Mairs and Power, Inc. has furnished continuous investment supervision to 
the Fund since 1958.  Mairs and Power, Inc. currently provides similar 
services to one other mutual fund, Mairs and Power Income Fund, Inc., the net 
assets of which as of December 31, 1996 were $20,565,014.

     Mairs and Power, Inc. serves as Investment Adviser to the Fund under the 
terms of an Investment Advisory Agreement dated March 20, 1972.  The 
Investment Advisory Agreement must be approved annually by the Board of 
Directors of the Fund, including a majority of those directors who are not 
parties to such contract or "interested persons" of any such party as defined 
in the Investment Company Act of 1940, by vote cast in person at a meeting 
called for such purpose.  The Agreement may be terminated at any time, 
without penalty, on sixty days' written notice by the Fund's Board of 
Directors, by the holders of a majority of the Fund's outstanding voting 
securities or by the Investment Adviser.  The Agreement automatically 
terminates in the  event of its assignment (as defined in the Investment 
Company Act of 1940 and the rules thereunder).

     As compensation for its services to the Fund, the Investment Adviser 
receives monthly compensation at the rate of one-twentieth of one percent of 
month-end net asset value (0.6% annually), computed and paid each month.  The 
ratio of the management fee to average net assets in 1996 was 0.6%; the ratio 
of total expenses to average net assets was 0.89%.  Mairs and Power, Inc. has 
agreed with the Fund that the expense ratio will not exceed the expense 
limitation of any state in which the Fund's shares are sold.

     Advisory fees paid by the Fund to Mairs and Power, Inc. amounted to 
$656,525 in 1996, $337,395 in 1995 and $239,597 in 1994. Under the terms of 
the Investment Advisory Agreement, the Investment Adviser agrees to render 
research, statistical and advisory services to the Fund, pay for office 
rental, executive salaries and executive expenses and pay all expenses 
related to the distribution and sale of Fund shares.  All other expenses, 
such as brokerage commissions, fees charged by the Securities and Exchange 
Commission, custodian and transfer agent fees, legal and auditing fees, 
taxes, premiums on fidelity bonds, supplies, and all other miscellaneous 
expenses are borne by the Fund.  No compensation was paid to any other 
director or officer of the Fund.

TRANSFER AGENT AND CUSTODIAN

     Firstar Trust Company acts as the Fund's Transfer Agent and Dividend 
Disbursing Agent and is reimbursed for all expenditures incurred in the 
discharge of these responsibilities.  Reimbursements to Firstar Trust Company 
for the period May 1, 1996 through December 31, 1996 amounted to $34,037.  
Prior to May 1, 1996, Mairs and Power, Inc. acted as Transfer Agent and 
Dividend Disbursing Agent for the Fund.  Reimbursements to Mairs and Power, 
Inc. as Transfer Agent and Dividend Disbursing Agent for the Fund amounted to 
$43,270 in 1996, $61,738 in 1995, and $57,563 in 1994.


                                       5
<PAGE>

     Custodial services for the Fund are performed by Firstar Trust Company, 
615 East Michigan Street, Milwaukee, WI 53201, pursuant to the terms of a 
Custodial Agreement reviewed annually by the Board of Directors.  As 
Custodian, Firstar Trust Company controls all securities and cash for the 
Fund, receives and pays for securities purchased, delivers against payment 
for securities sold, receives and collects income from investments, makes all 
payments for Fund expenses and performs other administrative services, as 
directed in writing by authorized officers of the Fund.  For these services, 
Firstar Trust Company received $13,041 for the period May 1, 1996 through 
December 31, 1996.  Prior to May 1, 1996, Norwest Bank Minnesota N.A. acted 
as Custodian for the Fund.  For services as Custodian to the Fund, Norwest 
Bank Minnesota, N.A. received $8,506 in 1996, $36,851 in 1995, and $32,467 in 
1994.

PORTFOLIO TRANSACTIONS

     Subject to policies established by the Board of Directors of the Fund, 
the Investment Adviser is responsible for the Fund's portfolio decisions and 
the placing of orders to effect the Fund's portfolio transactions.  With 
respect to such transactions, the Investment Adviser seeks to obtain the best 
net results for the Fund taking into account such factors as price (including 
the applicable brokerage commission or dealer spread), size of order, 
difficulty of execution and operational facilities of the firm involved.  
While the Investment Adviser generally seeks reasonably competitive 
commission rates, the Fund will not necessarily be paying the lowest 
commission or spread available.  The Fund has no obligation to deal with any 
broker or dealer in the execution of its portfolio transactions, and there is 
no affiliation between the Fund's officers or directors, or its Investment 
Adviser, and any broker-dealer or affiliated persons of any broker-dealer who 
executes transactions for the Fund.

     Investment decisions for the Fund are made independently from those of 
Mairs and Power Income Fund, Inc., also managed by Mairs and Power, Inc.  
When these funds are simultaneously engaged in the purchase or sale of the 
same securities the transactions are averaged as to price and allocated as to 
amount in accordance with a formula deemed equitable to each fund.  In some 
cases this system may adversely affect the price paid or received by the 
Fund, or the size of the position obtainable for the Fund.

     Decisions with respect to allocations of portfolio brokerage will be 
made by the Investment Adviser.  Portfolio transactions are normally placed 
with broker-dealers which provide the Fund's Investment Adviser with research 
and statistical assistance. Recognizing the value of these factors, the Fund 
may pay brokerage commissions in excess of those which another broker might 
charge for effecting the same transaction, even though the research services 
furnished by brokers through whom the Fund effects securities transactions 
may benefit other clients of Mairs and Power, Inc.

     For the year 1996, the Fund paid $206,017 in brokerage fees on purchase 
and sale of portfolio securities.  All of this amount was paid to brokers or 
dealers who supplied research services to the Adviser.  Total brokerage fees 
for 1995 and 1994 amounted to $59,759 and $22,446, respectively.

FINANCIAL STATEMENTS

     The Fund's financial statements, including a listing of portfolio 
securities as of December 31, 1996, are included in the Fund's Annual Report 
to Shareholders for the year ended December 31, 1996 and are incorporated 
herein by reference.  The financial statements have been audited by Ernst & 
Young LLP, independent auditors, 1400 Pillsbury Center, 200 South Sixth 
Street, Minneapolis, Minnesota 55402, as set forth in their report appearing 
in the Annual Report and


                                       6
<PAGE>

incorporated herein by reference.  Additional copies of the Annual Report may 
be obtained, without charge, by writing or calling the Fund.










                                       7
<PAGE>

PART C.   OTHER INFORMATION

Item 24.  FINANCIAL STATEMENTS AND EXHIBITS

     (a)  Financial Statements

          The financial statements identified with an asterisk (*) in the index
          below, together with the report of Ernst & Young LLP dated January 14,
          1997, appearing on pages 3 to 10 of the 1996 Annual Report to
          Shareholders are incorporated by reference.  With the exception of the
          preceding information, the Annual Report is not incorporated herein by
          reference and is not deemed filed as part of this Form N-1A.

                                                     Page Number In:

                                              Prospectus      Annual Report
                                              ----------      -------------
          *Financial Highlights for each of 
          the ten years in the period ended 
          December 31, 1996                        3                3

          *Statement of Assets and 
          Liabilities at December 31, 1996                          4

          *Schedule of Investments at 
          December 31, 1996                                        5-6

          *Statement of Operations for
          the year ended December 31, 1996                          7

          *Statement of Changes in Net
          Assets for the years ended 
          December 31, 1996 and 1995                                8

          *Notes to Financial Statements,
          December 31, 1996                                         9

          Report of Independent Auditors                            10

Schedules are omitted for the reason that they are not required or are not
applicable, or the required information is shown in the financial statements or
notes thereto.

     (b)  Exhibits

          1.   Articles of Incorporation.  Incorporated by reference to
               registrant's Registration Statement on Form N-1A, No. 2-14290,
               Post-Effective Amendment No. 40, filed on April 9, 1990.
  
          2.   By-laws.  Incorporated by reference to registrant's Registration
               Statement on Form N-1A, No. 2-14290, Post-Effective Amendment 
               No. 40, filed on April 9, 1990.

          3.   None.


<PAGE>

          4.   Articles of Incorporation, Article V.  Incorporated by reference
               to registrant's Registration Statement on Form N-1A, No. 2-14290,
               Post-Effective Amendment No. 40, filed on April 9, 1990.

          5.   Investment Advisory Contract.  Incorporated by reference to
               registrant's Registration Statement on Form N-1, No. 2-14290,
               Post Effective Amendment No. 22, filed April, 1972.

          6.   None.

          7.   None.

          8.   Custodian Agreement entered into between the Fund and Firstar
               Trust Company on April 15, 1996.  Incorporated by reference to
               registrant's Registration Statement on Form N-1A No. 2-14290
               Post-Effective Amendment No. 48, filed April 29, 1996.

          9.   None.

          10.  None.

          11.  Consent of Independent Auditors.

          12.  Financial Statements contained in 1996 Annual Report to
               Shareholders (See Index, Item 24 (a), Part C, Other Information).

          13.  None.

          14.  Mairs and Power, Inc. Prototype Self-Employed Money Purchase and
               Pension Plan, Trust, Summary Plan Description, Adoption
               Agreements Nos. 001 and 002, and Custody Agreement.  Incorporated
               by reference to registrant's Registration Statement on Form N-1A,
               No. 2-14290, Post-Effective Amendment No. 43, filed on April 7,
               1993.

          15.  None.

          16.  None.

          17.  Financial Data Schedule.

          18.  None.

Item 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT

          Inapplicable


<PAGE>

Item 26.  NUMBER OF HOLDERS OF SECURITIES

          Title of Class (1)                        Number of Record Holders (2)
          --------------                            ------------------------

          Capital Stock, 10,000,000 Shares                      8,905
          Par Value one cent ($.01)                    (As of March 31, 1997)

Item 27.  INDEMNIFICATION

          The Fund's Amended and  Restated Articles of Incorporation state that
          a director of the corporation shall have no personal liability to the
          corporation or its shareholders for monetary damages for breach of
          fiduciary duty as a director to the full extent such immunity is
          permitted from time to time under the Minnesota Business Corporation
          Act, as now enacted or hereafter amended, except as prohibited by the
          Investment Company Act of 1940, as amended.

          Section 302A.521 of the Minnesota Business Corporation Act provides
          that a Minnesota corporation shall indemnify any director, officer, or
          employee of the corporation made or threatened to be made a party to a
          proceeding, by reason of the former or present official capacity of
          the person, against judgments, penalties, fines, settlements and
          reasonable expenses incurred by the person in connection with the
          proceeding, provided that certain statutory standards are met. 
          "Proceeding" means a threatened, pending or completed civil, criminal,
          administrative, arbitration or investigative proceeding, including one
          by or in the right of the corporation.  Indemnification is required
          under Section 302A.521 only if the person (i) has not been indemnified
          by any other organization with respect to the same acts or omissions,
          (ii) acted in good faith, (iii) received no improper personal benefit,
          (iv) in the case of a criminal proceeding, had no reasonable cause to
          believe the conduct was unlawful, and (v) reasonably believed that the
          conduct was in the best interest of the corporation.

Item 28.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

          Inapplicable

Item 29.  PRINCIPAL UNDERWRITERS

          Inapplicable

Item 30.  LOCATION OF ACCOUNTS AND RECORDS

          Custodian:                           Firstar Trust Company
                                               615 East Michigan Street 
                                               P.O. Box 701
                                               Milwaukee, WI 53201-0701  

          Transfer Agent: Overnight Deliveries Mairs and Power Growth Fund, Inc.
                                               Mutual Fund Services
                                               615 Michigan Street, 3rd Floor
                                               Milwaukee, WI 53202-5207


<PAGE>

          Transfer Agent: Mailing Address      Mairs and Power Growth Fund, Inc.
                                               Mutual Fund Services
                                               P.O. Box 701
                                               Milwaukee, WI 53201-0701

          Investment Adviser                   Mairs and Power, Inc.
                                               W-2062 First National Bank Bldg.
                                               332 Minnesota Street
                                               St. Paul, MN 55101-1363

Item 31.  MANAGEMENT SERVICES 

          Inapplicable

Item 32.  UNDERTAKINGS        

          Inapplicable


<PAGE>

                                  SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment
Company Act of 1940, the Registrant certifies that it meets all of the
requirements for effectiveness of the Registration Statement pursuant to 
Rule 485 (b) under the Securities Act of 1933 and has duly caused this 
Registration Statement to be signed on its behalf by the undersigned, thereunto 
duly authorized, in the City of St. Paul, and State of Minnesota on the 30th 
day of April 1997.

                              MAIRS AND POWER GROWTH FUND, INC.

                              /s/ George A. Mairs, III
                              --------------------------------------------------
                              George A. Mairs, III, President

Pursuant to the requirements of the Securities Act of 1933, this registration
statement has been signed below by the following persons in the capacities and
on the dates indicated.


/s/ George A. Mairs, III        President and Director
- ----------------------------    (Principal Executive Officer)    April 30, 1997
George A. Mairs, III                                                   


/s/ William B. Frels            Secretary and Director
- ----------------------------    (Principal Financial and
William B. Frels                Accounting Officer)              April 30, 1997
                                                                       


/s/ Peter G. Robb                            
- ----------------------------    Vice-President and Director
Peter G. Robb                                                    April 30, 1997
                                                                       


/s/ Litton E.S. Field                                
- ----------------------------    Director
Litton E.S. Field                                                April 30, 1997
                                                                       

/s/ Donald E. Garretson
- ---------------------------     Director
Donald E. Garretson                                              April 30, 1997
                                                                       

/s/ J. Thomas Simonet
- ---------------------------     Director
J. Thomas Simonet                                                April 30, 1997
                                                                       


<PAGE>

                                  EXHIBIT INDEX

Item      Description
- -----     ------------

1-10.     Not filed herewith.

11.       Consent of Independent Auditors.

12.       Financial Statements contained in 1996 Annual Report to Shareholders 
          (See Index Under Item 24 (a) in Part C).

13-16.    Not filed herewith.

17.       Financial Data Schedule.

18.       Not filed herewith.





<PAGE>

                                                                      Exhibit 11




                         Consent of Independent Auditors


We consent to the reference to our firm under the captions "Condensed Financial
Information" and "Financial Statements" in Amendment No. 49 to the Registration
Statement (Form N-1A, No. 2-14290) and related Prospectus of Mairs and Power
Growth Fund, Inc. and to the incorporation by reference therein of our report
dated January 14, 1997, with respect to the financial statements and financial
highlights of Mairs and Power Growth Fund, Inc. included in its Annual Report
for the year ended December 31, 1996, filed with the Securities and Exchange
Commission.


                                                      ERNST & YOUNG LLP

Minneapolis, Minnesota
April 28, 1997


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ANNUAL
REPORT DATED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
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</TABLE>


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