PRINCIPAL INVESTORS FUND INC
497K1, 2000-11-28
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                       Principal Investors Fund, Inc. Profile
                       Balanced Fund
                       Advisors Preferred Class Shares

                              The date of this Profile is ___________ ___, 2000

This Profile summarizes key information about the Balanced Fund ("Fund") that is
included in the Fund's  prospectus.  The Fund's prospectus  includes  additional
information about the Fund,  including a more detailed  description of the risks
associated  with investing in the Fund that you may want to consider  before you
invest.  You  may  obtain  the  prospectus  and  other  information   (including
Sub-Advisor  composite  performance  information)  about  the Fund at no cost by
calling  1-800-547-7754.  The  prospectus  is also  available  on our website at
www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund  seeks to  generate a total  return  consisting  of current  income and
long-term growth of capital.

Main Investment Strategies of the Fund
The Fund seeks growth of capital and current  income by  investing  primarily in
common stocks and corporate  bonds.  Though the percentages in each category are
not fixed,  common stocks  generally  represent 40% to 70% of the Fund's assets.
The remainder of the Fund's assets is invested in bonds and cash.

Invista  Capital  Management,  LLC(R) serves as the  Sub-Advisor  for the equity
securities portion of the Fund. It looks for companies with predictable earnings
and  which,  based on growth  prospects,  it  believes  are  undervalued  in the
marketplace.  Invista  buys  stock  with  the  objective  of  long-term  capital
appreciation.

Principal  Capital  Income  Investors,  LLC  serves as the  Sub-Advisor  for the
fixed-income  securities  portion  of  the  Fund.  Fixed-income  securities  are
purchased to generate  income and for capital  appreciation  purposes  when PCII
thinks that declining interest rates may increase market value.

Main Risks of Investing in the Fund
The value of the stocks owned by the Fund changes on a daily basis. Stock prices
reflect the  activities  of individual  companies as well as general  market and
economic  conditions.  In the short-term,  prices can fluctuate  dramatically in
response to these factors.

Fixed-income  security values also change on a daily basis. Their prices reflect
changes  in  interest  rates,  market  conditions  and  announcements  of  other
economic,  political or financial  information.  When interest  rates fall,  the
price of a bond rises and when interest rates rise, the price declines.

Because  the Fund  invests in both stocks and bonds,  the Fund may  underperform
stock funds when stocks are in favor and may underperform  bond funds when bonds
are in favor.  As with all mutual funds,  as the value of the Fund's assets rise
and fall, the Fund's share price changes. If the investor sells Fund shares when
their value is less than the price the investor paid for them, the investor will
lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisors to provide investment  advisory
services to the Fund.

Sub-Advisors
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of The  Principal  and an affiliate  of the Manager,  was founded in
2000.  It  manages  investments  for  institutional  investors,   including  The
Principal.  Assets under management as of ___________ were  approximately  $____
billion.

Portfolio Managers
(since Fund's inception)
William C. Armstrong,  CFA. Mr. Armstrong leads the multi-sector/core  portfolio
management  group for PCII's stable value division.  Mr. Armstrong has been with
the Principal  Financial  Group(R)since 1992. He earned his Master's degree from
the University of Iowa and his Bachelor's degree from Kearney State College.  He
has earned the right to use the Chartered Financial Analyst designation.

Judith A. Vogel,  CFA.  Ms. Vogel is a portfolio  manager for domestic  core and
balanced portfolios. Ms. Vogel joined the Principal Financial Group in 1982 as a
strategist  and was one of Invista's  founding  members in 1985.  She earned her
Bachelor's  degree in Business  Administration  from  Central  College.  She has
earned the right to use the Chartered Financial Analyst designation.

Mary Sunderland, CFA. Ms. Sunderland manages the large-cap growth portfolios for
Invista.  She joined  Invista  in early 2000  following  a 10-year  career  with
Skandia Asset  Management  where she directed  their more than $2.5 billion U.S.
Equity  Large  Cap  Growth  portfolios  and  U.S.  Technology  portfolios.   Ms.
Sunderland  earned  her MBA from the  Columbia  University  Graduate  School  of
Business and her Bachelor's degree from Northwestern University.  She has earned
the right to use the Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable investment for investors seeking current income
as well as long-term growth of capital.


                            Fund Operating Expenses


    Management Fees                      0.50%
    12b-1 Fees                           0.31
    Other Expenses*                      0.26

       Total Fund Operating Expenses     1.07%

     * Other Expenses:
         Service Fee                     0.17%
         Administrative Service Fee      0.09


The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $109                 $340


                         Principal Investors Fund, Inc. Profile
                         Bond & Mortgage Securities Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the Bond & Mortgage  Securities
Fund ("Fund") that is included in the Fund's  prospectus.  The Fund's prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to provide current income.

Main Investment Strategies of the Fund
The Fund invests primarily in intermediate maturity fixed-income securities with
a  dollar  weighted  average  maturity  in the 3-6  years  range.  Under  normal
circumstances,  it invests at least 75% of its assets in:
o  securities  issued or  guaranteed  by the U.S.  Government or its agencies or
   instrumentalities;
o  fixed-income  securities  and  taxable  municipal  bonds,  rated  in the four
   highest grades by a nationally recognized statistical rating organization or,
   if unrated, in the opinion of the Sub-Advisor are of comparable quality; and
o  mortgage-backed  securities  representing  an  interest in a pool of mortgage
   loans.

The rest of the Fund's assets may be invested in:
o  preferred  and common stock that may be  convertible  (may be exchanged for a
   fixed  number  of  shares  of  common  stock  of the same  issuer)  or may be
   non-convertible; or
o  securities  rated less than the four highest grades.
Under unusual market or economic  conditions,  the Fund may invest up to 100% of
its assets in cash and cash equivalents.

Main Risks of Investing in the Fund
The Fund may invest in  fixed-income  securities.  When interest rates fall, the
price of such  securities rise and when interest rates rise, the price declines.
In addition,  the value of these securities may be affected by the credit rating
of the entity that issued the security and its maturity.

The  mortgage-backed  securities  which the Fund may  invest in are  subject  to
prepayment   risk.   When  interest  rates  decline,   significant   unscheduled
prepayments  may result.  These  prepayments  must then be  reinvested  at lower
rates.  On the other hand,  during periods of rising interest rates, a reduction
in prepayments may increase the effective maturities of these securities and may
increase the volatility of the Fund.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
------------------ were approximately $---- billion.

Portfolio Managers
(since Fund's inception)
Lisa A. Stange,  CFA. As Portfolio  Manager for PCII, Ms. Stange manages over $3
billion in  fixed-income  portfolios  invested in public and  private  corporate
bonds,   mortgage-backed  securities,   commercial  mortgage-backed  securities,
asset-backed securities and commercial real estate mortgages.  Ms. Stange joined
the  Principal  Financial  Group(R)  in 1989  after  earning  her  Master's  and
Bachelor's  degrees in Finance from the  University of Iowa.  She has earned the
right to use the Chartered Financial Analyst designation.

William C. Armstrong,  CFA. Mr. Armstrong leads the multi-sector/core  portfolio
management  group for PCIIs' stable value division.  Mr. Armstrong has been with
the Principal Financial Group since 1992. He earned his Master's degree from the
University of Iowa and his Bachelor's degree from Kearney State College.  He has
earned the right to use the Chartered Financial Analyst designation.

Investor Profile
The  Fund  is   generally   a  suitable   investment   for   investors   seeking
diversification by investing in a fixed-income mutual fund.

                            Fund Operating Expenses

     Management Fees                        0.55%
     12b-1 Fees                             0.31
     Other Expenses*                        0.26

        Total Fund Operating Expenses       1.12%

     * Other Expenses:
         Service Fee                        0.17%
         Administrative Service Fee         0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $114                 $356


                         Principal Investors Fund, Inc. Profile
                         European Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile summarizes key information about the European Fund ("Fund") that is
included in the Fund's  prospectus.  The Fund's prospectus  includes  additional
information about the Fund,  including a more detailed  description of the risks
associated  with investing in the Fund that you may want to consider  before you
invest.  You  may  obtain  the  prospectus  and  other  information   (including
Sub-Advisor  composite  performance  information)  about  the Fund at no cost by
calling  1-800-547-7754.  The  prospectus  is also  available  on our website at
www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily in equity  securities  having their core business in
Europe.  The Fund may also invest in other  securities of such companies.  Under
normal  market  conditions,  the Fund  invests  at least  65% of its  assets  in
securities of:
o  companies organized under the laws of European countries;
o  companies for which the principal  securities trading market is in a European
   country; and
o  companies,  regardless of where their securities are traded,  that derive 50%
   or more of their  total  revenue  from either  goods or services  produced or
   sales made in European countries.

The  global  equity  investment  philosophy  of the  Sub-Advisor  is to  enhance
investment returns through:
o  rigorous  proprietary stock research which enables its analysts to understand
   the:
     o   quality of the company;
     o   nature of its management;
     o   nature of its industry
         competition; and
     o   business valuation - the true "business value" of the company;
o  maintaining global coverage within the universe of investment choices; and
o  maintaining a medium-term focus.
As a result,  the Fund's  portfolio  reflects  the  opportunities  presented  by
mispriced  companies that offer the potential for strong,  long-term  investment
returns with an acceptable level of investment risk.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.  A foreign  security  could  lose  value as a result  of  political,
financial and economic events in foreign  countries.  Foreign  securities may be
subject to securities  regulators with less stringent  accounting and disclosure
standards than are required of U.S. companies.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
BT Funds  Management  (International)  Limited ("BT") is a related company of BT
Funds  Management  Limited  ("BTFM")  and a member  of the  Principal  Financial
Group(R).  As of October 31, 2000,  BT,  together with BTFM,  had  approximately
$23.8 billion under management.

Portfolio Manager
(since Fund's inception)
Crispin  Murray,  Executive  Vice President of BT, joined BT in April 1994 as an
Investment  Analyst.  In 1995, his role became pure European  equities  analysis
covering  banks,  telecommunication,  telecommunication  equipment and media. In
April  1998,  he  became  Head  of  European  Equities  and in May  1998  became
coordinator for BTFM's Global Banking Group. His global sector  responsibilities
include telecommunications and banks. Prior to joining BT, Mr. Murray worked for
Equitable  Life  Assurance  Society in the UK as a bond & currency  analyst.  He
received  an  Honours  degree  in  Economics  &  Human  Geography  from  Reading
University in the UK.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital in European  markets.  Investors  should be able to assume the
increased risks of higher price volatility and currency fluctuations  associated
with investments in international stocks which trade in non-U.S. currencies.

Fund Operating Expenses

     Management Fees                       1.00%
     12b-1 Fees                             0.31
     Other Expenses*                        0.26

       Total Fund Operating Expenses       1.57%

     * Other Expenses:
          Service Fee                      0.17%
          Administrative Service Fee        0.09




The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                    Example
                                1 Year               3 Years

Advisors Preferred Class         $160                 $496


                           Principal Investors Fund, Inc. Profile
                           Government Securities Fund
                           Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the Government  Securities Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to provide current income.

Main Investment Strategies of the Fund
The Fund seeks to achieve its  investment  objective by  investing  primarily in
securities   that  are  issued  by  the  U.S.   Government,   its   agencies  or
instrumentalities.   Additionally   the  Fund  may  invest  in   mortgage-backed
securities  representing  an  interest  in  a  pool  of  mortgage  loans.  These
securities  are rated AAA by  Standard  & Poor's  Corporation  or Aaa by Moody's
Investor Services,  Inc. or, if unrated,  determined by the Sub-Advisor to be of
equivalent quality. The Fund may also hold cash and cash equivalents.

The  basic  investment  philosophy  of the  Sub-Advisor  is to seek  undervalued
securities that represent good long-term  investment  opportunities.  Securities
may be sold when they no longer represent good long-term value.

Main Risks of Investing in the Fund
U.S.  Government  securities do not involve the degree of credit risk associated
with  investments in lower quality  fixed-income  securities.  As a result,  the
yields  available from U.S.  Government  securities are generally lower than the
yields available from many other  fixed-income  securities.  Fluctuations in the
value of the Fund's  securities  do not  affect  interest  income on  securities
already held by the Fund, but are reflected in the Fund's price per share.

Mortgage-backed  securities are subject to prepayment  risk. When interest rates
decline,  significant unscheduled prepayments may result. These prepayments must
then be reinvested at lower rates. In addition,  prepayments may cause losses on
securities  purchased at a premium (dollar amount by which the price of the bond
exceeds its face value).  Unscheduled  prepayments are made at par and cause the
Fund to experience a loss of some or all of the premium.

Although  some of the  securities  the Fund  purchases  are  backed  by the U.S.
government  and its  agencies,  shares  of the  Fund  are not  guaranteed.  When
interest rates fall, the value of the Fund's shares rises,  and when rates rise,
the value declines.  As with all mutual funds, as the value of the Fund's assets
rise and fall, the Fund's share price changes. If the investor sells Fund shares
when their value is less than the price the investor paid for them, the investor
will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
__________ were approximately $____ billion.

Portfolio Managers
(since Fund's inception)
Martin J. Schafer.  Mr. Schafer is a portfolio  manager for PCII specializing in
the management of mortgage-backed  securities  utilizing an active, total return
approach.  He joined the Principal Financial  Group(R)in 1977. He holds a BBA in
Accounting and Finance from the University of Iowa.

Kelly R. Alexander.  Ms. Alexander  shares  management  responsibility  for nine
fixed-income  portfolios at PCII,  with combined assets of more than $4 billion.
Before  assuming her current  position,  she had similar  responsibilities  with
Invista from 1992 to 2000. She joined the Principal  Financial  Group in 1983 to
develop  the  mortgage-backed  securities  trading  department.  Her  experience
includes hedging,  securitization,  product development and portfolio management
as well as the risk management of a $1.5 billion residential mortgage pipeline.

Investor Profile
The  Fund  is   generally   a  suitable   investment   for   investors   seeking
diversification by investing in a fixed-income mutual fund.

                            Fund Operating Expenses

       Management Fees                      0.40%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

         Total Fund Operating Expenses      0.97%

     * Other Expenses:
         Service Fee                        0.17%
         Administrative Service Fee         0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $99                  $309

                          Principal Investors Fund, Inc. Profile
                          High Quality Intermediate-Term Bond Fund
                          Advisors Preferred Class Shares

The date of this Profile is  ___________  ___, 2000 This Profile  summarizes key
information about the High Quality  Intermediate-Term Bond Fund ("Fund") that is
included in the Fund's  prospectus.  The Fund's prospectus  includes  additional
information about the Fund,  including a more detailed  description of the risks
associated  with investing in the Fund that you may want to consider  before you
invest.  You  may  obtain  the  prospectus  and  other  information   (including
Sub-Advisor  composite  performance  information)  about  the Fund at no cost by
calling  1-800-547-7754.  The  prospectus  is also  available  on our website at
www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to provide current income.

Main Investment Strategies of the Fund
The Fund invests  primarily in fixed-income  securities rated A or higher with a
dollar  weighted  average  maturity  in  the  3-6  years  range.   Under  normal
circumstances,  it invests at least 80% of its assets in:
o  securities  issued or  guaranteed  by the U.S.  Government or its agencies or
   instrumentalities;
o  fixed-income  securities  and  taxable  municipal  bonds,  rated in the three
   highest grades by a nationally recognized statistical rating organization or,
   if unrated, in the opinion of the Sub-Advisor are of comparable quality; and
o  mortgage-backed  securities  representing  an  interest in a pool of mortgage
   loans.

The rest of the Fund's assets may be invested in:
o  common stock and preferred  stock that may be  convertible  (may be exchanged
   for a fixed  number of shares of common  stock of the same  issuer) or may be
   non-convertible; or
o  securities rated less than the three highest grades.
Under unusual market or economic  conditions,  the Fund may invest up to 100% of
its assets in cash and cash equivalents.

Main Risks of Investing in the Fund
The Fund may invest in  fixed-income  securities.  When interest rates fall, the
price of such  securities rise and when interest rates rise, the price declines.
In addition,  the value of these securities may be affected by the credit rating
of the entity that issued the security and its maturity.

The  mortgage-backed  securities  in which the Fund may  invest  are  subject to
prepayment   risk.   When  interest  rates  decline,   significant   unscheduled
prepayments  may result.  These  prepayments  must then be  reinvested  at lower
rates.  On the other hand,  during periods of rising interest rates, a reduction
in prepayments may increase the effective maturities of these securities and may
increase the volatility of the Fund.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
___________ were approximately $____ billion.

Portfolio Managers
(since Fund's inception)
Kevin W.  Croft,  CFA. As a portfolio  manager  for PCII,  Mr.  Croft has direct
responsibility for $950 million invested in fixed-income  portfolios.  He joined
the Principal  Financial Group(R) in 1988. He earned his Master's and Bachelor's
degrees  from Drake  University.  He has  earned the right to use the  Chartered
Financial Analyst designation.

Martin J. Schafer.  Mr. Schafer is a portfolio  manager for PCII specializing in
the management of mortgage-backed  securities  utilizing an active, total return
approach.  He joined the  Principal  Financial  Group in 1977. He holds a BBA in
Accounting and Finance from the University of Iowa.

Investor Profile
The  Fund  is   generally   a  suitable   investment   for   investors   seeking
diversification by investing in a fixed-income mutual fund.

                            Fund Operating Expenses

       Management Fees                      0.40%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     0.97%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $99                  $309


                       Principal Investors Fund, Inc. Profile
                       High Quality Long-Term Bond Fund
                       Advisors Preferred Class Shares

                             The date of this Profile is  ___________  ___, 2000

This Profile  summarizes key information  about the High Quality  Long-Term Bond
Fund ("Fund") that is included in the Fund's  prospectus.  The Fund's prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to provide current income.

Main Investment Strategies of the Fund
The Fund invests  primarily in long-term  fixed-income  securities with a dollar
weighted average maturity greater than 6 years. Under normal  circumstances,  it
invests at least 75% of its assets in:
o  securities  issued or  guaranteed  by the U.S.  Government or its agencies or
   instrumentalities;
o  fixed-income  securities  and  taxable  municipal  bonds,  rated  in the four
   highest grades by a nationally recognized statistical rating organization or,
   if unrated, in the opinion of the Sub-Advisor are of comparable quality; and
o  mortgage-backed  securities  representing  an  interest in a pool of mortgage
   loans.

The rest of the Fund's assets may be invested in:
o  common stock and preferred  stock that may be  convertible  (may be exchanged
   for a fixed  number of shares of common  stock of the same  issuer) or may be
   non-convertible; or
o  securities rated less than the three highest grades.
Under unusual market or economic  conditions,  the Fund may invest up to 100% of
its assets in cash and cash equivalents.

Main Risks of Investing in the Fund
The Fund may invest in  fixed-income  securities.  When interest rates fall, the
price of such  securities rise and when interest rates rise, the price declines.
In addition,  the value of these securities may be affected by the credit rating
of the entity that issued the security and its maturity.

The average portfolio  duration of the Fund normally is greater than 6 years and
is  based  on the  Sub-Advisor's  forecast  for  interest  rates.  The  longer a
security's  duration,  the more sensitive it is to changes in interest  rates. A
Fund with a longer  average  portfolio  duration is more sensitive to changes in
interest rates than a Fund with a shorter average portfolio duration.

The  mortgage-backed  securities  in which the Fund may  invest  are  subject to
prepayment   risk.   When  interest  rates  decline,   significant   unscheduled
prepayments  may result.  These  prepayments  must then be  reinvested  at lower
rates.  On the other hand,  during periods of rising interest rates, a reduction
in prepayments may increase the effective maturities of these securities and may
increase the volatility of the Fund.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
____________ were approximately $____ billion.

Portfolio Managers
(since Fund's inception)
Kevin W.  Croft,  CFA. As a portfolio  manager  for PCII,  Mr.  Croft has direct
responsibility for $950 million invested in fixed-income  portfolios.  He joined
the Principal  Financial Group(R) in 1988. He earned his Master's and Bachelor's
degrees  from Drake  University.  He has  earned the right to use the  Chartered
Financial Analyst designation.

Martin J. Schafer.  Mr. Schafer is a portfolio  manager for PCII specializing in
the management of mortgage-backed  securities  utilizing an active, total return
approach.  He joined the  Principal  Financial  Group in 1977. He holds a BBA in
Accounting and Finance from the University of Iowa.

Investor Profile
The  Fund  is   generally   a  suitable   investment   for   investors   seeking
diversification by investing in a fixed-income mutual fund.

                            Fund Operating Expenses

       Management Fees                      0.40%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     0.97%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $99                  $309


                         Principal Investors Fund, Inc. Profile
                         High Quality Short-Term Bond Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the High Quality  Short-Term Bond
Fund ("Fund") that is included in the Fund's  prospectus.  The Fund's prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to provide current income.

Main Investment Strategies of the Fund

The Fund invests primarily in high quality,  short-term  fixed-income securities
with a  dollar  weighted  average  maturity  of 4 years or  less.  Under  normal
circumstances,  it invests at least 80% of its assets in:
o  securities  issued or  guaranteed  by the U.S.  Government or its agencies or
   instrumentalities;
o  fixed-income  securities of U.S. issuers rated in the three highest grades by
   a nationally  recognized  statistical rating  organization or, if unrated, in
   the opinion of the Sub-Advisor are of comparable quality; and
o  mortgage-backed  securities  representing  an  interest in a pool of mortgage
   loans.

The rest of the Fund's assets are invested in  securities in the fourth  highest
rating category or their  equivalent.  Securities in the fourth highest category
are "investment  grade." While they are considered to have adequate  capacity to
pay  interest and repay  principal,  they do have  speculative  characteristics.
Changes in economic and other  conditions  are more likely to affect the ability
of the issuer to make  principal  and  interest  payments  than is the case with
issuers of higher rated securities.

Under unusual market or economic  conditions,  the Fund may invest up to 100% of
its assets in cash and cash equivalents.

Main Risks of Investing in the Fund
The Fund may invest in corporate  fixed-income  securities.  When interest rates
fall, the price of such  securities rise and when interest rates rise, the price
declines.  In  addition,  the value of these  securities  may be affected by the
credit rating of the entity that issued the security and its maturity.

The  mortgage-backed  securities  in which the Fund may  invest  are  subject to
prepayment   risk.   When  interest  rates  decline,   significant   unscheduled
prepayments  may result.  These  prepayments  must then be  reinvested  at lower
rates.  On the other hand,  during periods of rising interest rates, a reduction
in prepayments may increase the effective maturities of these securities and may
increase the volatility of the Fund.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
____________ were approximately $____ billion.

Portfolio Managers
(since Fund's inception)
Daniel J. Garrett,  CFA. Mr. Garrett is a portfolio  manager for PCII. He joined
the Principal Financial Group(R)in 1985 as a commercial mortgage analyst and was
named to his current  position in 1998. Mr. Garrett received his Master's degree
in  Business  and his  Bachelor's  degree in  Computer  Information  Systems and
Finance  from Drake  University.  He has  earned the right to use the  Chartered
Financial Analyst designation.

Martin J. Schafer.  Mr. Schafer is a portfolio  manager for PCII specializing in
the management of mortgage-backed  securities  utilizing an active, total return
approach.  He joined the  Principal  Financial  Group in 1977. He holds a BBA in
Accounting and Finance from the University of Iowa.

Investor Profile
The  Fund  is   generally   a  suitable   investment   for   investors   seeking
diversification by investing in a fixed-income mutual fund.

Fund Operating Expenses

       Management Fees                      0.40%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     0.97%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $99                 $309


                         Principal Investors Fund, Inc. Profile
                         International Emerging Markets Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile summarizes key information about the International Emerging Markets
Fund ("Fund") that is included in the Fund's  prospectus.  The Fund's prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund

The Fund  seeks to  achieve  its  objective  by  investing  in common  stocks of
companies in emerging market countries. For this Fund, the term "emerging market
country" means any country which is considered to be an emerging  country by the
international  financial  community.  The Sub-Advisor  focuses on those emerging
market countries that it believes have strongly developing economies and markets
which are becoming more sophisticated.

Under  normal  conditions,  at least 65% of the Fund's  assets are  invested  in
equity securities of the following:
o  companies  with their  principal  place of  business or  principal  office in
   emerging market countries;
o  companies for which the principal  securities  trading  market is an emerging
   market country; or
o  companies,  regardless of where their securities are traded,  that derive 50%
   or more of their  total  revenue  from either  goods or services  produced in
   emerging market countries or sales made in emerging market countries.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.  A foreign  security  could  lose  value as a result  of  political,
financial and economic events in foreign  countries.  Foreign  securities may be
subject to securities  regulators with less stringent  accounting and disclosure
standards than are required of U.S. companies.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

Investments  in emerging  market  countries  involve  special  risks.  These may
include:   high  rates  of  inflation,   high  interest  rates,   exchange  rate
fluctuations, large amounts of debt, balance of payments and trade difficulties,
and extreme poverty and unemployment.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative. The Fund anticipates that its
portfolio  turnover will  typically  range from 200% to 300%.  Turnover rates in
excess  of 100%  generally  result in higher  transaction  costs and a  possible
increase in short-term capital gains (or losses).

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Kurtis D. Spieler,  CFA. Mr. Spieler is a portfolio manager  specializing in the
management of international equity portfolios. He joined the Principal Financial
Group(R)in 1987 in the Treasury  operation as a securities  analyst and moved to
Invista in 1991. Mr. Spieler  received his MBA from Drake University and his BBA
in  Accounting  from Iowa State  University.  He has earned the right to use the
Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital in securities of emerging market countries.  Investors must be
able to assume the  increased  risks of higher  price  volatility  and  currency
fluctuations  associated with investments in international stocks which trade in
non-U.S. currencies.

                            Fund Operating Expenses

       Management Fees                      1.35%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.92%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $195                  $603


                         Principal Investors Fund, Inc. Profile
                         International Fund I
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the International Fund I ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests in a portfolio  of equity  securities  of  companies  domiciled
anywhere in the world. The Fund invests in securities of:
o  companies with their principal place of business or principal  office outside
   the U.S.;
o  companies for which the principal  securities  trading  market is outside the
   U.S.; and
o  companies,  regardless of where their securities are traded,  that derive 50%
   or more of their total revenue from goods or services  produced or sales made
   outside the U.S.

Primary  consideration is given to securities of corporations of Western Europe,
North America and Australasia  (Australia,  Japan and Far East Asia). Changes in
investments are made as prospects change for particular countries, industries or
companies.

The Fund has no limitation on the  percentage of assets that are invested in any
one country or  denominated  in any one  currency.  However  under normal market
conditions,  the Fund  intends  to have at least 65% of its assets  invested  in
companies in at least three different countries.

In choosing investments for the Fund, the Sub-Advisor pays particular attention
to  the   long-term   earnings   prospects  of  the  various   companies   under
consideration. The Sub-Advisor then weighs those prospects relative to the price
of the security.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.  A foreign  security  could  lose  value as a result  of  political,
financial and economic events in foreign  countries.  Foreign  securities may be
subject to securities  regulators with less stringent  accounting and disclosure
standards than are required of U.S. companies.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)

Kurtis D. Spieler,  CFA. Mr. Spieler is a portfolio manager  specializing in the
management of international equity portfolios. He joined the Principal Financial
Group(R)in 1987 in the Treasury  operation as a securities  analyst and moved to
Invista in 1991. Mr. Spieler  received his MBA from Drake University and his BBA
in  Accounting  from Iowa State  University.  He has earned the right to use the
Chartered Financial Analyst designation.

                            Fund Operating Expenses

       Management Fees                      0.90%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.47%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $150                 $465


                         Principal Investors Fund, Inc. Profile
                         International Fund II
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile summarizes key information about the International Fund II ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests in common stocks and other  securities  of companies  domiciled
anywhere in world.  The Fund invests in  securities  of:
o  companies with their principal place of business or principal offices outside
   the U.S.;
o  companies for which the principal  securities  trading  market is outside the
   U.S.; or
o  companies,  regardless of where its securities are traded, that derive 50% or
   more of their total  revenue from either goods or services  produced or sales
   made outside the U.S.

The  Sub-Advisor  selects  securities  for the  Fund  based  on its  own  global
investment  research.  The research program is focused on three key criteria:
o  business franchise - considering  factors such as the company's  relationship
   with its suppliers and customers,  the degree of rivalry with  competitors as
   well as the exposure to regulatory and technological risk;
o  quality of management - assessing the company's  management on its ability to
   execute current  business plans,  manage the capital invested in the business
   as well as the level of transparency with respect to strategy and operations;
   and
o  business  valuation - determining the private market or `true business value'
   of the firm.

The Sub-Advisor's  qualitative analysis is complemented by disciplined valuation
techniques.  These include  proprietary  models as well as  conventional  market
measurements  and industry  specific models of relative  value.  This analytical
framework ensures consistency and transparency  throughout the research process.
Portfolios are constructed and managed within predetermined  guidelines that are
regularly monitored by the Sub-Advisor.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.

In addition,  foreign stocks carry risks that are not generally  found in stocks
of U.S.  companies.  These include the risk that a foreign  security  could lose
value as a result  of  political,  financial  and  economic  events  in  foreign
countries.  Foreign securities may be subject to securities regulators with less
stringent  accounting  and  disclosure  standards  than  are  required  of  U.S.
companies.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
BT Funds  Management  (International)  Limited ("BT") is a related company of BT
Funds  Management  Limited  ("BTFM")  and a member  of the  Principal  Financial
Group(R).  As of October 31, 2000,  BT,  together with BTFM,  had  approximately
$23.8 billion under management.

Portfolio Manager
(since Fund's inception)
Christopher  Selth,  Executive  Vice  President of BT, was appointed its head of
International Equities in 1998 and its joint head of Equities in 1999. He joined
BT in 1987 as an Investment  Analyst in the retail unit trust group. In 1988, he
was assigned the responsibility to cover European equities.  Mr. Selth was given
responsibility  for the  European  component  of all retail unit trusts in March
1994. Since November 1996, he has been responsible for  institutional and retail
European  investments,  supervising  all European  activities,  and the European
funds management group. Prior to joining BT, Mr. Selth worked with QBE Insurance
Limited in  investment  management  as an assistant to the Group  Treasurer.  He
holds a Bachelor's degree in Economics (Honours) from the University of Sydney.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  growth of
capital in markets  outside of the U.S.  Investors must be willing to assume the
increased risks of higher price volatility and currency fluctuations  associated
with investments in international stocks which trade in non-U.S. currencies.

                            Fund Operating Expenses

       Management Fees                     1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.57%

     * Other Expenses:
       Service Fee                          0.17%
       Administrative Service Fee           0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $160                $496


                         Principal Investors Fund, Inc. Profile
                         International SmallCap Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the  International  SmallCap Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund  invests  primarily in equity  securities  of non-U.S.  companies  with
comparatively  smaller market  capitalizations.  Under normal market conditions,
the Fund invests at least 65% of its assets in  securities  of companies  having
market capitalizations of $1.5 billion or less at the time of purchase.

The Fund invests in securities of:
o  companies with their principal place of business or principal  office outside
   the U.S.;
o  companies for which the principal  securities  trading  market is outside the
   U.S.; and
o  companies,  regardless of where their securities are traded,  that derive 50%
   or more of their total revenue from goods or services  produced or sales made
   outside the U.S.

The Sub-Advisor diversifies the Fund's investments  geographically.  There is no
limitation  on the  percentage  of assets that may be invested in one country or
denominated in any one currency. However, under normal market circumstances, the
Fund intends to invest at least 65% of its assets in  securities of companies of
at least three countries.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.  A foreign  security  could  lose  value as a result  of  political,
financial and economic events in foreign  countries.  Foreign  securities may be
subject to securities  regulators with less stringent  accounting and disclosure
standards than are required of U.S. companies.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.  Small to mid-sized companies
may pose greater risk due to narrow product lines,  limited financial resources,
less depth in management or a limited trading market for their securities.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Darren K. Sleister, CFA. Mr. Sleister is a portfolio manager specializing in the
management of international  equity  portfolios.  Mr. Sleister joined Invista in
1993.  He  received  his MBA in  Investment  and  Corporate  Finances  from  the
University  of Iowa and his  Bachelor's  degree in  Communications  from Central
College.  He has  earned  the  right  to use  the  Chartered  Financial  Analyst
designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital in smaller  companies  outside of the U.S.  Investors  must be
willing to assume the increased  risks of higher price  volatility  and currency
fluctuations  associated with investments in international stocks which trade in
non-U.S. currencies.

                            Fund Operating Expenses

       Management Fees                      1.20%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.77%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $180                 $557


                         Principal Investors Fund, Inc. Profile
                         LargeCap Blend Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the LargeCap Blend Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in stocks of large  capitalization  companies.  Under
normal  market  conditions,  the Fund  invests  at least  65% of its  assets  in
companies with a market  capitalization  of greater than $10 billion at the time
of purchase.

In selecting  securities for investment,  the  Sub-Advisor  looks at stocks with
value and/or growth  characteristics and constructs an investment portfolio that
has a "blend" of stocks with these  characteristics.  In managing  the assets of
the Fund,  the  Sub-Advisor  does not have a policy of  preferring  one of these
categories to the other. The value orientation  emphasizes buying stocks at less
than  their   investment   value  and  avoiding  stocks  whose  price  has  been
artificially  built up.  The  growth  orientation  emphasizes  buying  stocks of
companies  whose  potential for growth of capital and earnings is expected to be
above average.

The  Sub-Advisor  uses a  "bottom-up"  approach in its  selection of  individual
securities.  Selection is based on fundamental analysis of a company relative to
other  companies  with  the  focus  being  on the  Sub-Advisor's  estimation  of
forward-looking rates of return.

The Sub-Advisor  focuses its stock  selections on established  companies that it
believes have a  sustainable  competitive  advantage.  It constructs a portfolio
that is "benchmark  aware" in that it is sensitive to the sector (companies with
similar characteristics) and security weightings of its benchmark.  However, the
Fund is actively managed and prepared to over- and/or  under-weight  sectors and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic treads and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large capitalization  stocks, may underperform compared to other market segments
or to the equity markets as a whole. Because certain of the securities purchased
by the Fund present greater  opportunities  for growth because of high potential
earning  growth,  they may also involve greater risk than securities that do not
have the same potential.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Mark T.  Williams,  CFA. Mr.  Williams  manages  Invista's  research  department
conducting  macroeconomic  and quantitative  research as applied to domestic and
international  economic  trends  and  forecasts.  Previously,  he  served  as  a
portfolio   manager  with  direct   experience   in  the   management  of  core,
value-oriented and  growth-oriented  portfolios.  He joined Invista in 1989 with
seven years prior experience in the technology  industry.  Mr. Williams received
his MBA from Drake University and holds a Bachelor's  degree in Finance from the
University  of the  State  of New  York.  He has  earned  the  right  to use the
Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common stocks, but who prefer investing in larger, established companies.

                            Fund Operating Expenses

       Management Fees                      0.45%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.02%

     * Other Expenses:
       Service Fee                          0.17%
       Administrative Service Fee           0.09

                                    Example

The Example  assumes  that you invest $10,  000 in the Fund for the time periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $104                $325


                         Principal Investors Fund, Inc. Profile
                         LargeCap Growth Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the LargeCap Growth Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks and other equity securities of large
capitalization  companies with strong  earnings growth  potential.  Under normal
market conditions, the Fund invests at least 65% of its assets in companies with
a market capitalization of greater than $10 billion at the time of purchase.

The  Sub-Advisor  uses a  "bottom-up"  approach in its  selection of  individual
securities that it believes have an above average potential for earnings growth.
Selection  is based on  fundamental  analysis  of a  company  relative  to other
companies  with the focus being on the  Sub-Advisor's  estimation of current and
future sales growth and operating margins.

The  Sub-Advisor  places strong  emphasis on companies it believes are guided by
high quality management teams with a proven ability to execute. In addition, the
Fund attempts to identify and emphasize  those companies that are market leaders
possessing  the  ability  to control  pricing  and  margins in their  respective
industries.  The Sub-Advisor constructs a portfolio that is "benchmark aware" in
that it is sensitive to the sector (companies with similar  characteristics) and
security weightings of its benchmark.  However, the Fund is actively managed and
prepared to over- and/or  under-weight  sectors and industries  differently from
the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large  capitalization  growth stocks, may underperform  compared to other market
segments or to the equity markets as a whole.  The  securities  purchased by the
Fund may present  greater  opportunities  for growth  because of high  potential
earnings  growth,  but may also involve greater risk than securities that do not
have the same potential.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Mary Sunderland, CFA. Ms. Sunderland manages the large-cap growth portfolios for
Invista.  She joined  Invista  in early 2000  following  a 10-year  career  with
Skandia Asset  Management  where she directed  their more than $2.5 billion U.S.
Equity  Large  Cap  Growth  portfolios  and  U.S.  Technology  portfolios.   Ms.
Sunderland  earned  her MBA from the  Columbia  University  Graduate  School  of
Business and her Bachelor's degree from Northwestern University.  She has earned
the right to use the Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      0.55%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.12%

     * Other Expenses:
       Service Fee                          0.17%
       Administrative Service Fee           0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $114                 $356


                         Principal Investors Fund, Inc. Profile
                         LargeCap S&P 500 Index Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the LargeCap S&P 500 Index Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
Under normal market  conditions,  the Fund invests at least 80% of its assets in
common  stocks of companies  that compose the Standard & Poor's 500 Index*.  The
Sub-Advisor  attempts  to  mirror  the  investment  performance  of the index by
allocating  the Fund's assets in  approximately  the same  weightings as the S&P
500. The S&P 500 is an unmanaged  index of 500 common  stocks  chosen to reflect
the industries of the U.S. economy and is often considered a proxy for the stock
market in general.

The Fund uses an indexing  strategy and is not managed  according to traditional
methods of "active" investment management.  It does not attempt to manage market
volatility,  use  defensive  strategies  or reduce the  effect of any  long-term
periods  of poor  stock  performance.  The  correlation  between  Fund and index
performance  may be  affected  by the Fund's  expenses,  changes  in  securities
markets, changes in the composition of the index and the timing of purchases and
sales of Fund shares.

Main Risks of Investing in the Fund
Because of the  difficulty  and  expense of  executing  relatively  small  stock
trades, the Fund may not always be invested in the less heavily weighted S&P 500
stocks.  The  Fund's  portfolio  may be  weighted  differently  from  the  index
particularly if the Fund has a small level of assets to invest. In addition, the
Fund's ability to match the  performance of the index is affected to some degree
by the size and  timing  of cash  flows  into and out of the  Fund.  The Fund is
managed to attempt to minimize such effects.

Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large capitalization  stocks, may underperform compared to other market segments
or to the equity markets as a whole.  The  securities  purchased by the Fund may
present  greater  opportunities  for growth because of high  potential  earnings
growth,  but may also involve  greater risk than securities that do not have the
same potential.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Managers
(since Fund's inception)
Robert Baur,  Ph.D. Dr. Baur joined Invista in 1995 after serving as a professor
of finance and economics at Drake University and Grand View College. He received
his Bachelor's  degree in Mathematics and his Ph.D. in Economics from Iowa State
University.  Dr. Baur also did  post-doctoral  study in finance and economics at
the University of Minnesota.  He also holds a BS in Mathematics  from Iowa State
University.

Rhonda VanderBeek.  Ms. Vander Beek directs trading operations for Invista index
accounts.  She  joined  the  Principal  Financial  Group(R)in  1983 as a trading
statistical  clerk and moved to Invista in 1992.  Ms.  Vander Beek has extensive
experience trading both domestic and international securities.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
volatile  fluctuations  in the value of investments  and prefer a passive rather
than active management style.

* Standard & Poor's  Corporation  is not  affiliated  with the  LargeCap S&P 500
Index Fund, Invista or The Principal.

                            Fund Operating Expenses

       Management Fees                      0.15%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     0.72%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $74                   $230


                          Principal Investors Fund, Inc. Profile
                          LargeCap Value Fund
                          Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the LargeCap Value Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks and other equity securities of large
capitalization  companies.  Under normal market conditions,  the Fund invests at
least 65% of its assets in  companies  with a market  capitalization  of greater
than $10 billion at the time of purchase.

The  Fund  invests  in  stocks  that,  in the  opinion  of the  Sub-Advisor  are
undervalued in the marketplace at the time of purchase.  This value  orientation
emphasizes buying stocks at less than their investment value and avoiding stocks
whose price has been artificially built up. Value stocks are often characterized
by below average  price/earning  ratios (P/E) and above average  dividend yields
relative to their peers.  The Fund's  investments are selected  primarily on the
basis of  fundamental  security  analysis  focusing on the  company's  financial
stability,  sales,  earnings,  dividend  trends,  return on equity and  industry
trends.

The Sub-Advisor  focuses its stock  selections on established  companies that it
believes have a  sustainable  competitive  advantage.  It constructs a portfolio
that is "benchmark  aware" in that it is sensitive to the sector (companies with
similar characteristics) and security weightings of its benchmark.  However, the
Fund is actively managed and prepared to over- and/or  under-weight  sectors and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large  capitalization  value stocks,  may underperform  compared to other market
segments or to the equity markets as a whole.  As with all mutual funds,  as the
value of the Fund's assets rise and fall, the Fund's share price changes. If the
investor  sells Fund shares when their value is less than the price the investor
paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
John  Pihlblad,   CFA.  Mr.  Pihlblad  is  director  of  quantitative  portfolio
management for Invista. He has over 24 years experience in creating and managing
quantitative  investment systems. Prior to joining Invista in 2000, Mr. Pihlblad
was a partner  and  co-founder  of  GlobeFlex  Capital in San Diego where he was
responsible for the development and implementation of the investment process for
both domestic and  international  products.  He received his BA from Westminster
College.  He has  earned  the  right  to use  the  Chartered  Financial  Analyst
designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks,  but  who  prefer  investing  in  companies  that  appear  to be
considered undervalued relative to similar companies.

                            Fund Operating Expenses

       Management Fees                      0.45%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.02%

     * Other Expenses:
       Service Fee                          0.17%
       Administrative Service Fee           0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $104                 $325


                          Principal Investors Fund, Inc. Profile
                          MidCap Blend Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes  key  information  about the MidCap Blend Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily  in common  stocks and other  equity  securities  of
medium  capitalization  companies.  Under  normal  market  conditions,  the Fund
invests at least 65% of its  assets in  companies  with a market  capitalization
between $1 billion and $10 billion at the time of purchase.

In selecting  securities for investment,  the  Sub-Advisor  looks at stocks with
value and/or growth  characteristics and constructs an investment portfolio that
has a "blend" of stocks with these  characteristics.  In managing  the assets of
the Fund,  the  Sub-Advisor  does not have a policy of  preferring  one of these
categories to the other. The value orientation  emphasizes buying stocks at less
than their inherent value and avoiding stocks whose price has been  artificially
built up. The growth  orientation  emphasizes  buying stocks of companies  whose
potential for growth of capital and earnings is expected to be above average.

The  Sub-Advisor  uses a  bottom-up  approach  in its  selection  of  individual
securities.  Selection is based on fundamental analysis of a company relative to
other  companies  with  the  focus  being  on the  Sub-Advisor's  estimation  of
forward-looking rates of return.

The  Sub-Advisor  focuses its stock  selection  on  companies  it believes  have
sustainable competitive advantages and constructs a portfolio that is "benchmark
aware"  in  that  it  is  sensitive  to  the  sector   (companies  with  similar
characteristics) and security weightings of its benchmark.  However, the Fund is
actively  managed  and  prepared  to  over-  and/or  under-weight   sectors  and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-size  companies  may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium capitalization stocks, may underperform compared to other market segments
or to the equity markets as a whole.  Because  different types of stocks tend to
shift in and out of favor  depending  on market  and  economic  conditions,  the
Fund's  performance may sometimes be lower or higher than that of other types of
funds. The value of the Fund's equity securities may fluctuate on a daily basis.
If the  investor  sells Fund  shares when their value is less than the price the
investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
K. William Nolin, CFA. Mr. Nolin has managed the domestic mid-cap products since
1999.   His   expertise   is  grounded  in  the   telecommunications,   media  &
entertainment,  lodging and consumer  non-durables sectors. Mr. Nolin joined the
Principal  Financial  Group(R)in 1993 as an investment credit analyst. He earned
his MBA from the Yale School of Management and his Bachelor's  degree in Finance
from the  University  of Iowa.  He has  earned  the  right to use the  Chartered
Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
short-term fluctuations in the value of investments.

                            Fund Operating Expenses

       Management Fees                      0.65%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.22%

     * Other Expenses:
          Service Fee                      0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $124                $387


                         Principal Investors Fund, Inc. Profile
                         MidCap Growth Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the MidCap Growth Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of medium  capitalization  companies
with strong earnings growth potential.  Under normal market conditions, the Fund
invests at least 65% of its  assets in  companies  with a market  capitalization
between $1 billion and $10 billion at the time of purchase.

The  Sub-Advisor,  uses a bottom-up  approach  in its  selection  of  individual
securities that it believes have an above average potential for earnings growth.
Selection  is based on  fundamental  analysis  of a  company  relative  to other
companies  with the focus being on the  Sub-Advisor's  assessment of current and
future sales growth and operating margins.

The  Sub-Advisor  focuses its stock  selection  on  companies  it believes  have
sustainable   competitive  advantages  and  reasonable  stock  prices.  It  then
constructs a portfolio that is "benchmark  aware" in that it is sensitive to the
sector (companies with similar  characteristics)  and security weightings of its
benchmark.  However,  the Fund is actively  managed and prepared to over- and/or
under-weight sectors and industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-size  companies  may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium  capitalization  growth stocks,  may underperform  compared to the equity
markets  as a  whole.  The  securities  purchased  by the Fund  present  greater
opportunities for growth because of high potential earnings growth, but may also
involve greater risks than  securities that do not have the same potential.  The
value of the Fund's equity  securities  may fluctuate on a daily basis.  As with
all mutual funds,  as the value of the Fund's  assets rise and fall,  the Fund's
share price changes.  If the investor sells Fund shares when their value is less
than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
John F. McClain. Mr. McClain is a portfolio manager for small company and medium
company  growth  products.  He joined  Invista  in 1990.  Previously,  he was an
investment executive with Paine Webber. He earned an MBA from Indiana University
and a BBA in Economics from the University of Iowa.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      0.65%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

             Total Fund Operating Expenses  1.22%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $124                 $387


                         Principal Investors Fund, Inc. Profile
                         MidCap S&P 400 Index Fund
                         Advisors Preferred Class Shares

                                he date of this Profile is ___________ ___, 2000

This  Profile  summarizes  key  information  about the MidCap S&P 400 Index Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
Under normal market  conditions,  the Fund invests at least 80% of its assets in
common stocks of companies that compose the Standard & Poor's MidCap 400 Index*.
The  Sub-Advisor  attempts to mirror the investment  performance of the index by
allocating  the Fund's assets in  approximately  the same  weightings as the S&P
400. The S&P 400 is an unmanaged index of 400 common stocks of medium sized U.S.
(and some Canadian) companies.

The Fund uses an indexing  strategy and is not managed  according to traditional
methods of "active" investment management.  It does not attempt to manage market
volatility,  use  defensive  strategies  or reduce the  effect of any  long-term
periods  of poor  stock  performance.  The  correlation  between  Fund and index
performance  may be  affected  by the Fund's  expenses,  changes  in  securities
markets, changes in the composition of the index and the timing of purchases and
sales of Fund shares.

Main Risks of Investing in the Fund
Because of the  difficulty  and  expense of  executing  relatively  small  stock
trades, the Fund may not always be invested in the less heavily weighted S&P 400
stocks.  The  Fund's  portfolio  may be  weighted  differently  from  the  index
particularly if the Fund has a small level of assets to invest. In addition, the
Fund's ability to match the  performance of the index is affected to some degree
by the size and  timing  of cash  flows  into and out of the  Fund.  The Fund is
managed to attempt to minimize such effects.

Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-sized  companies may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium capitalization stocks, may underperform compared to other market segments
or to the equity markets as a whole.  Because  different types of stocks tend to
shift in and out of favor  depending  on market  and  economic  conditions,  the
Fund's performance may be lower or higher than that of other types of funds.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Managers
(since Fund's inception)
Robert Baur,  Ph.D. Dr. Baur joined Invista in 1995 after serving as a professor
of finance and economics at Drake University and Grand View College. He received
his Bachelor's  degree in Mathematics and his Ph.D. in Economics from Iowa State
University.  Dr. Baur also did  post-doctoral  study in finance and economics at
the University of Minnesota.  He also holds a BS in Mathematics  from Iowa State
University.

Rhonda VanderBeek.  Ms. Vander Beek directs trading operations for Invista index
accounts.  She  joined  the  Principal  Financial  Group(R)in  1983 as a trading
statistical  clerk and moved to Invista in 1992.  Ms.  Vander Beek has extensive
experience trading both domestic and international securities.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
volatile  fluctuations  in the value of  investments  and  preferring  a passive
rather than active management style.

* Standard & Poor's  Corporation is not affiliated with the MidCap S&P 400 Index
Fund, Invista or The Principal.

                            Fund Operating Expenses

       Management Fees                      0.15%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    0.72%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $74                 $230


                            Principal Investors Fund, Inc. Profile
                            MidCap Value Fund
                            Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes  key  information  about the MidCap Value Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of medium capitalization  companies.
Under normal market  conditions,  the Fund invests at least 65% of its assets in
companies with a market capitalization between $1 billion and $10 billion at the
time of purchase.

The Fund  invests  in  stocks  that,  in the  opinion  of the  Sub-Advisor,  are
undervalued in the marketplace at the time of purchase.  This value  orientation
emphasizes  buying stocks at less than their inherent value and avoiding  stocks
whose price has been artificially built up. Value stocks are often characterized
by below average  price/earnings ratios (P/E) and above average dividend yields.
The  Fund's  investments  are  selected  primarily  on the basis of  fundamental
security  analysis,  focusing  on  the  company's  financial  stability,  sales,
earnings, dividend trends, return on equity and industry trends.

The  Sub-Advisor  focuses its stock  selection  on  companies  it believes  have
sustainable competitive advantages and constructs a portfolio that is "benchmark
aware"  in  that  it  is  sensitive  to  the  sector   (companies  with  similar
characteristics) and security weightings of its benchmark.  However, the Fund is
actively  managed  and  prepared  to  over-  and/or  under-weight   sectors  and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-size  companies  may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium  capitalization  value stocks, may underperform  compared to other market
segments or to the equity markets as a whole.  Because different types of stocks
tend to shift in and out of favor  depending on market and economic  conditions,
the Fund's performance may sometimes be lower or higher than that of other types
of funds.  The value of the Fund's  equity  securities  may fluctuate on a daily
basis. If the investor sells Fund shares when their value is less than the price
the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Catherine A. Zaharis,  CFA. Ms.  Zaharis  directs  portfolio  management for the
Invista value team and leads the value  research  group.  She joined  Invista in
1985. Ms. Zaharis  received her MBA from Drake University and her BBA in Finance
from the  University  of Iowa.  She has  earned  the right to use the  Chartered
Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
short-term fluctuations in the value of investments.




       Management Fees                      0.65%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.22%

     * Other Expenses:
       Service Fee                          0.17%
       Administrative Service Fee           0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $124                 $387


                           Principal Investors Fund, Inc. Profile
                           Money Market Fund
                           Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes  key  information  about the Money Market Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks as high a level of  current  income as is  considered  consistent
with preservation of principal and maintenance of liquidity.

Main Investment Strategies of the Fund
The Fund invests its assets in a portfolio  of high  quality,  short-term  money
market instruments.  In the opinion of the Sub-Advisor,  the securities selected
present minimal credit risks.  Securities in which the Fund invests  include:  o
securities  issued or  guaranteed  by the U.S.  Government  or its  agencies  or
instrumentalities;  o bank obligations; o commercial paper; and o corporate debt
which at the time of purchase by the Fund has 397 days or less  remaining  until
maturity.

Main Risks of Investing in the Fund
As with all  mutual  funds,  the value of the  Fund's  assets  may rise or fall.
Although  the Fund seeks to  preserve  the value of an  investment  at $1.00 per
share,  it is possible to lose money by investing  in the Fund.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.  An investment in the Fund is not insured or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal  Capital  Income  Investors,  LLC ("PCII"),  an indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $_____ billion.

Portfolio Managers
(since Fund's inception)
Alice  Robertson.   Ms.  Roberston  is  a  trader  for  PCII  on  the  corporate
fixed-income trading desk. She joined the Principal Financial Group(R)in 1990 as
a credit  analyst and moved to her current  position  in 1993.  Previously,  Ms.
Robertson was an assistant vice  president/commercial  paper analyst with Duff &
Phelps Credit Company.  Ms.  Robertson earned her Master's degree in Finance and
Marketing from DePaul  University  and her  Bachelor's  degree in Economics from
Northwestern University.

Michael R. Johnson.  Mr. Johnson directs  securities trading for PCII. He joined
the Principal Financial Group in 1982 and took his current position in 1994. His
responsibilities  include managing the fixed-income  trading  operation for PCII
and several short-term money market accounts. He earned his Bachelor's degree in
Finance from Iowa State University.

Investor Profile
The Fund is  generally  a suitable  investment  for  investors  seeking  monthly
dividends without incurring much principal risk.

                            Fund Operating Expenses

       Management Fees                      0.40%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    0.97%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $99                  $309


                         Principal Investors Fund, Inc. Profile
                         Pacific Basin Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the Pacific Basin Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund  invests  primarily  in equity  securities  of  issuers  located in the
Pacific Basin region,  including Japan. The Fund invests in securities listed on
foreign  or  domestic  securities  exchanges,  securities  traded in  foreign or
domestic  over-the-counter  markets and depositary receipts. Under normal market
conditions,  the Fund invests at least 65% of its assets in such securities. The
Fund's  investments  are generally  diversified  among  securities of issuers of
several  Pacific  Basin  countries.  These  include  securities  of:

o  companies organized under the laws of Pacific Basin countries;

o  companies for which the principal  securities  trading market is in a Pacific
   Basin country; and

o  companies,  regardless of where their securities are traded,  that derive 50%
   or more of their  total  revenue  from either  goods or services  produced or
   sales made in Pacific Basin countries.

The  global  equity  investment  philosophy  of the  Sub-Advisor  is to  enhance
investment returns through:

o  rigorous   proprietary   stock  research  which  enables  their  analysts  to
   understand the:
     o   quality of the company;
     o   nature of its management;
     o   nature of its industry
         competition; and
     o  business  valuation  - the  true  "business  value"  of the  company;
o  maintaining global coverage within the universe of investment choices; and
o  maintaining a medium-term focus.

As a result,  the Fund's  portfolio  reflects  the  opportunities  presented  by
mispriced  companies that offer the potential for strong,  long-term  investment
returns with an acceptable level of investment risk.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.  A foreign  security  could  lose  value as a result  of  political,
financial and economic events in foreign  countries.  Foreign  securities may be
subject to securities  regulators with less stringent  accounting and disclosure
standards than are required of U.S. companies.

To the extent  that the assets of the Fund are  concentrated  in  securities  of
issuers in Japan, the value of the shares of the Fund may be more susceptible to
a single economic, political or regulatory occurrence than shares of a Fund less
concentrated in a single country.

Because foreign securities generally are denominated in foreign currencies,  the
value of the net assets of the Fund as measured in U.S. dollars will be affected
by changes in exchange rates. In addition, the Fund's foreign investments may be
less liquid and their price more volatile than  comparable  investments  in U.S.
securities.  Settlement  periods  may  be  longer  for  foreign  securities  and
portfolio liquidity may be affected.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.

The Fund anticipates that its portfolio  turnover will typically range from 200%
to 300%. Turnover rates in excess of 100% generally result in higher transaction
costs and a possible increase in short-term capital gains (or losses).

As with all mutual funds,  as the Fund's assets rise and fall,  the Fund's share
price  changes.  If the investor sells Fund shares when their value is less than
the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
BT Funds  Management  (International)  Limited ("BT") is a related company of BT
Funds  Management  Limited  ("BTFM")  and a member  of the  Principal  Financial
Group(R).  As of October 31, 2000,  BT,  together with BTFM,  had  approximately
$23.8 billion under management.

Portfolio Manager
(since Fund's inception)
Dean  Cashman is Executive  Vice  President of BT and serves as head of Japanese
equities.  He joined BT in January 1988,  initially  involved in the liquids and
fixed  interest  group,  but  moved to the  European  equity  group in late 1989
specializing in the Latin Block countries including France,  Italy and Spain. He
started working on Japanese  equities at the end of 1991 and  subsequently  took
over  responsibility  for the group.  Mr. Cashman received a degree in Economics
from the University of Queensland.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital in Pacific Basin markets.  Investors must be willing to assume
the  increased  risks of  higher  price  volatility  and  currency  fluctuations
associated  with  investments  in  international  stocks which trade in non-U.S.
currencies.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.57%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                 $496


                          Principal Investors Fund, Inc. Profile
                          Partners LargeCap Blend Fund
                          Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the Partners LargeCap Blend Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund  pursues its  investment  objective  by  investing  primarily in equity
securities of companies that the  Sub-Advisor  believes  offer  superior  growth
prospects or whose stock is  undervalued.  Under normal market  conditions,  the
Fund  invests  at  least  65% of its  assets  in  companies  with  large  market
capitalizations.

In selecting  securities for investment,  the  Sub-Advisor  looks at stocks with
value and/or growth  characteristics and constructs an investment portfolio that
has a "blend"  of  stocks  with  these  characteristics.  The value  orientation
emphasizes  buying  stocks at less than  their  intrinsic  investment  value and
avoiding  stocks  whose  price  has been  unjustifiably  built  up.  The  growth
orientation  emphasizes buying stocks of companies whose potential for growth of
capital and earnings is expected to be above average.

Using its own quantitative process, the Sub-Advisor rates the future performance
potential of companies and evaluates each company's earnings quality in light of
its  current  valuation  to narrow  the list of  attractive  companies.  It then
evaluates product positioning,  management quality and sustainability of current
growth trends of those companies.  Using this type of fundamental  analysis,  it
selects the most promising companies for the Fund's portfolio.

The Fund actively  trades its portfolio  securities in an attempt to achieve its
investment  objective.  Active  trading will cause the Fund to have an increased
portfolio  turnover rate, which is likely to generate  short-term gains (losses)
for its  shareholders,  which are taxed at a higher  rate than  long-term  gains
(losses).  Actively trading  portfolio  securities  increases the Fund's trading
costs and may have an adverse impact on the Fund's performance.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

The Fund is also subject to sector risk which is the possibility  that a certain
sector  may  underperform  other  sectors  or  the  market  as a  whole.  As the
Sub-Advisor  allocates  more of the Fund's  portfolio  holdings to a  particular
sector,  the  Fund's  performance  will be  more  susceptible  to any  economic,
business or other developments that generally affect that sector.

In addition,  the Fund is subject to the risk that its principal market segment,
large capitalization  stocks, may underperform compared to other market segments
or to the equity markets as a whole.  The value of the Fund's equity  securities
may fluctuate on a daily basis.  As with all mutual  funds,  as the value of the
Fund's  assets rise and fall,  the Fund's share price  changes.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Federated Investment Management Company ("Federated") is a registered investment
adviser and a wholly-owned  subsidiary of Federated  Investors,  Inc., which was
founded in 1955.  As of October 31,  2000,  Federated  managed  $131  billion in
assets.

Portfolio Managers
(since Fund's inception)
James E. Grefenstette,  CFA. Mr.  Grefenstette  joined Federated in 1992 and has
been a Portfolio Manager and a Vice President of Federated Investment Management
Company  since 1996.  From 1994 until  1996,  Mr.  Grefenstette  was a Portfolio
Manager and an  Assistant  Vice  President of  Federated  Investment  Management
Company.  Mr.  Grefenstette  received his MS in Industrial  Administration  from
Carnegie  Mellon  University.  He has  earned  the  right  to use the  Chartered
Financial Analyst designation.

J. Thomas Madden, CFA. Mr. Madden joined Federated as a Senior Portfolio Manager
in 1977  and has  been an  Executive  Vice  President  of  Federated  Investment
Management  Company since 1994.  Mr. Madden served as a Senior Vice President of
Federated  Investment  Management Company from 1989 to 1993. Mr. Madden received
his MBA with a concentration in Finance from the University of Virginia.  He has
earned the right to use the Chartered Financial Analyst designation.

Bernard J. Picchi,  CFA. Mr.  Picchi  joined  Federated in 1999 as a Senior Vice
President/Director  of U.S. Equity Research for Federated Investment  Management
Company.  From  1994 to 1999,  Mr.  Picchi  was a  Managing  Director  of Lehman
Brothers  where he initially  served as head of the energy sector group.  During
1995 and most of 1996,  he  served as U.S.  Director  of Stock  Research  and in
September 1996, he was named Growth Stock  Strategist.  Mr. Picchi holds a BS in
foreign service from Georgetown  University.  He has earned the right to use the
Chartered Financial Analyst designation.

David P. Gilmore.  Mr. Gilmore joined  Federated in August 1997 as an Investment
Analyst. He was promoted to Senior Investment Analyst in July 1999 and became an
Assistant  Vice  President of Federated in July 2000.  Mr.  Gilmore was a Senior
Associate  with Coopers & Lybrand  from January 1992 to May 1995.  He earned his
M.B.A.  from the University of Virginia and has a B.S. from Liberty  University.
He has earned the right to use the Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common stocks, but who prefer investing in larger, established companies.

                            Fund Operating Expenses

       Management Fees                      0.75%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.32%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $134                 $418


                             Principal Investors Fund, Inc. Profile
                             Partners LargeCap Growth Fund I
                             Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the Partners LargeCap Growth Fund
I ("Fund")  that is included  in the Fund's  prospectus.  The Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily  in stocks of large  capitalization  companies  that
exhibit strong or accelerating  earnings  growth.  These companies are generally
characterized  as "growth"  companies.  The  Sub-Advisor  emphasizes  individual
security  selection  and  may  focus  the  Fund's  holdings  within  the  limits
permissible for a diversified fund.

The Sub-Advisor  follows a flexible  investment program in looking for companies
with above average capital  appreciation  potential.  The Sub-Advisor focuses on
companies  with  consistent or rising  earnings  growth  records and  compelling
business strategies.  It continually and rigorously studies company developments
and closely  monitors  analysts'  expectations to identify issuers that have the
potential  for  positive  earnings  surprises  versus  consensus   expectations.
Valuation is of secondary  importance  and is viewed in the context of prospects
for  sustainable  earnings  growth  and  the  potential  for  positive  earnings
surprises in relation to consensus expectations.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large  capitalization  growth stocks, may underperform  compared to other market
segments or to the equity markets as a whole.  The  securities  purchased by the
Fund may present  greater  opportunities  for growth  because of high  potential
earnings  growth,  but may also involve greater risk than securities that do not
have the same potential.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Morgan Stanley Asset Management  ("Morgan  Stanley"),  with principal offices at
1221  Avenue of the  Americas,  New York,  NY 10020,  provides a broad  range of
portfolio  management  services  to  customers  in the U.S.  and  abroad.  As of
September 30, 2000, Morgan Stanley,  together with its affiliated  institutional
asset management  companies,  managed investments totaling  approximately $176.8
billion as named fiduciary or fiduciary adviser.

Portfolio Managers
(since Fund's inception)
William S. Auslander,  Principal of Morgan Stanley & Co. Incorporated and Morgan
Stanley Dean Witter  Investment  Management  Inc. Mr.  Auslander  joined  Morgan
Stanley in 1995 as an Equity  Analyst and  currently  is a Portfolio  Manager in
Morgan Stanley's  Institutional  Equity Group.  Prior thereto,  he was an Equity
Analyst  at  Icahn  & Co.,  1986-1995.  He  holds  a BA in  Economics  from  the
University of Wisconsin and an MBA from Columbia University.

Philip W. Friedman,  Managing Director of Morgan Stanley & Co.  Incorporated and
Morgan Stanley Dean Witter Investment  Management Inc. He was a member of Morgan
Stanley & Co.  Incorporated's  Equity Research team (1990-1995)  before becoming
Director of North America Research  (1995-1997).  Currently Mr. Friedman is head
of Morgan  Stanley's  Institutional  Equity  Group.  He holds a BA from  Rutgers
University and an MBA from the J.L. Kellogg School of Management at Northwestern
University.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      0.75%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.32%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $134                  $418


                              Principal Investors Fund, Inc. Profile
                              Partners LargeCap Growth Fund II
                              Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the Partners LargeCap Growth Fund
II ("Fund")  that is included in the Fund's  prospectus.  The Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily  in stocks of large  capitalization  companies.  The
Sub-Advisor  selects  stocks for  investment  that it believes  will increase in
value over time using a growth investment  strategy it developed.  This strategy
looks for  companies  whose  earnings  and revenues  are not only  growing,  but
growing at a successively faster, or accelerating,  pace. Accelerating growth is
shown,  for  example,  by growth that is faster this quarter than last or faster
this year  than the year  before.  The  Sub-Advisor's  strategy  is based on the
premise that,  over the  long-term,  the stocks of companies  with  accelerating
earnings and revenues have a greater than average chance to increase in value.

Using  its  extensive  computer  database,   the  Sub-Advisor  tracks  financial
information  for thousands of  companies.  This  information  is used to help it
select or decide to continue to hold the stocks of companies it believes will be
able to sustain accelerating growth and to sell stocks of companies whose growth
begins to slow down.

Under  normal  market  conditions,  the  Sub-Advisor  intends  to keep  the Fund
essentially  fully invested in stocks regardless of the movement of stock prices
generally.  When  it  considers  it  prudent,  it  may  invest  Fund  assets  in
nonleveraged  futures  and  options.  Nonleveraged  means  that the Fund may not
invest in futures and  options  where it would be possible to lose more than the
Fund invests.  Futures and options can help the Fund's cash assets remain liquid
while performing more like stocks.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large  capitalization  growth stocks, may underperform  compared to other market
segments or to the equity markets as a whole.  The  securities  purchased by the
Fund may present  greater  opportunities  for growth  because of high  potential
earning  growth,  but may also involve  greater risk than securities that do not
have the same potential.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
American Century Investment Management, Inc. ("American Century") was founded in
1958.  Its office is located in the American  Century Tower at 4500 Main Street,
Kansas City, KS 64111.  As of October 31, 2000,  American  Century  managed over
$109.7 billion in assets.

Portfolio Managers
(since Fund's inception)
Gregory  Woodhams,  CFA. Mr. Woodhams is a Vice President and Portfolio  Manager
for American  Century  Investments,  Mr.  Woodhams  has worked in the  financial
industry since 1992 and joined American Century in 1997. Previously, he was Vice
President and Director of Equity  Research at Texas Commerce Bank. Mr.  Woodhams
holds a  Bachelor's  Degree in  Economics  from Rice  University  and a Master's
Degree in Economics from the  University of Wisconsin at Madison.  He has earned
the right to use the Chartered Financial Analyst designation.

C. Kim Goodwin.  Ms. Goodwin was named co-chief  investment officer for American
Century's  domestic growth equity discipline in 2000.  Previously she was senior
vice  president and senior  portfolio  manager and has been a member of the team
that manages  Growth since  joining  American  Century in 1997.  Before  joining
American  Century,  she served as senior vice president and portfolio manager at
Putnam  Investments from 1996 to 1997, and vice president and portfolio  manager
at Prudential  Investments  from 1993 to 1996.  Ms.  Goodwin holds a Bachelor of
Arts Degree from Princeton  University,  an MBA in finance and a Master's Degree
in public affairs from the University of Texas.

Prescott  LeGard,  CFA. Mr. LeGard is a Portfolio  Manager for American  Century
Investments.  Mr. LeGard joined the company in 1999. Before joining the company,
he was an  Equity  Analyst  for USAA  Investment  Management  where he  analyzed
technology  companies.  He has worked in the investment industry since 1993. Mr.
LeGard holds a BA Degree in Economics from DePaul University.  He has earned the
right to use the Chartered Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.57%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                  $496


                         Principal Investors Fund, Inc. Profile
                         Partners LargeCap Value Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the Partners LargeCap Value Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily in undervalued  equity securities of companies among
the 750 largest by market  capitalization  that the Sub-Advisor,  believes offer
above-average  potential  for growth in future  earnings.  Under  normal  market
conditions,  the Fund generally  invests at least 65% of its assets in companies
with a  market  capitalization  of  greater  than  $10  billion  at the  time of
purchase.

The Sub-Advisor employs an investment  strategy,  generally described as "value"
investing, that involves seeking securities that:
o  exhibit low financial ratios  (particularly  stock  price-to-book  value, but
   also stock price-to-earnings and stock price-to-cash flow);
o  can be acquired for less than what the  Sub-Advisor  believes is the issuer's
   intrinsic value; or
o  appear attractive on a dividend discount model.

Value oriented investing entails a strong "sell discipline" in that it generally
requires the sale of  securities  that have reached their  intrinsic  value or a
target financial  ratio.  Value oriented  investments may include  securities of
companies in cyclical  industries  during periods when such securities appear to
the Sub-Advisor to have strong potential for capital  appreciation or securities
of "special  situation"  companies.  A special situation company is one that the
Sub-Advisor  believes has potential for  significant  future earnings growth but
has not performed well in the recent past.  These situations  include  companies
with  management  changes,  corporate or asset  restructuring  or  significantly
undervalued assets. For the Sub-Advisor, identifying special situation companies
and establishing an issuer's intrinsic value involves fundamental research about
such companies and issuers.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

In addition,  the Fund is subject to the risk that its principal market segment,
large  capitalization  value stocks,  may underperform  compared to other market
segments or to the equity markets as a whole. The value of the Fund's securities
may fluctuate on a daily basis.  As with all mutual  funds,  as the value of the
Fund's  assets rise and fall,  the Fund's share price  changes.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Alliance Capital Management L.P.  ("Alliance")  through its Bernstein Investment
Research and Management unit ("Bernstein").  As of __________,  Alliance managed
$____ billion in assets.

Portfolio Managers
(since Fund's inception)
Marilyn G. Fedak. Ms. Fedak, Chief Investment Officer of U.S. Value Equities and
Chairman of the U.S. Equity Investment Policy Group of the Bernstein  Investment
Research and Management unit of Alliance  Capital  Management L.P.  ("Alliance")
since  October  2, 2000 and prior to that at Sanford C.  Bernstein  & Co.,  Inc.
("SCB Inc.") since 1993.  She joined SCB Inc. in 1984 and has managed  portfolio
investments  since 1976. She has a BA from Smith College and an MBA from Harvard
Business School.

Steven  Pisarkiewicz.  Mr.  Pisarkiewicz has been with Alliance since October 2,
2000 and prior to that with SCB Inc.  since 1989 and has been  Senior  Portfolio
Manager  since 1997.  He holds a BS from the  University  of Missouri and an MBA
from the University of California at Berkeley.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks but prefer  investing in companies  that appear to be  considered
undervalued relative to similar companies.

                            Fund Operating Expenses

       Management Fees                      0.80%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.37%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $139                 $434


                         Principal Investors Fund, Inc. Profile
                         Partners MidCap Growth Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the Partners MidCap Growth Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily in common stocks and other equity securities of U.S.
companies with strong earnings growth potential. Under normal market conditions,
the  Fund  invests  at  least  65%  of  its  assets  in  companies  with  market
capitalizations between $1 billion and $10 billion at the time of purchase.

The Fund invests in securities of companies that are diversified across economic
sectors. It attempts to maintain sector concentrations that approximate those of
its current benchmark, the Russell MidCap Growth Index. The Fund is not an index
fund and does not limit its  investment  to the  securities  of  issuers  in the
Russell MidCap Growth Index.

The  Sub-Advisor  selects  stocks that it believes have strong  earnings  growth
potential.  It invests in companies  with strong  earnings  dynamics,  and sells
those with deteriorating earnings prospects.  The Sub-Advisor believes forecasts
for  market  timing  and  sector   rotation  are  unreliable  and  introduce  an
unacceptable level of risk. As a result, under normal market conditions the Fund
is fully invested.

Due to its investment strategy, the Fund may buy and sell securities frequently.
This may result in higher taxable  distributions  and lower  performance  due to
increased brokerage costs.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-size  companies  may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium  capitalization  growth stocks,  may underperform  compared to the equity
markets as a whole.  The  securities  purchased by the Fund may present  greater
opportunities for growth because of high potential earnings growth, but may also
involve greater risks than  securities that do not have the same potential.  The
value of the Fund's equity  securities  may fluctuate on a daily basis.  As with
all mutual funds,  as the value of the Fund's  assets rise and fall,  the Fund's
share price changes.  If the investor sells Fund shares when their value is less
than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Turner Investment  Partners,  Inc. ("Turner") was founded in 1990. As of October
31,  2000,  Turner  had  discretionary  management  authority  with  respect  to
approximately $11.7 billion in assets.

Portfolio Managers
(since Fund's inception)
Robert E.  Turner,  CFA. Mr.  Turner,  Chairman  and Chief  Investment  Officer,
founded Turner Investment  Partners,  Inc. in 1990. Prior to 1990, he was Senior
Investment  Manager  with  Meridian  Investment  Company.  He  has 17  years  of
investment  experience.  He has earned the right to use the Chartered  Financial
Analyst designation.

Christopher K. McHugh.  Mr. McHugh joined Turner  Investment  Partners,  Inc. in
1990.  He holds a BS in  Accounting  from  Philadelphia  College of Textiles and
Science and an MBA in Finance from St. Joseph's University.

William C. McVail. Mr. McVail, Senior Equity Portfolio Manager, joined Turner in
1998. Prior thereto, he was Portfolio Manager at PNC Equity Advisers.  He has 12
years of investment experience.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.57%

     * Other Expenses:
          Service Fee                      0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                 $496


                         Principal Investors Fund, Inc. Profile
                         Partners MidCap Value Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the Partners  MidCap Value Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of medium capitalization  companies.
Under normal market  conditions,  the Account  invests at least 65% of its total
assets in  companies  with a market  capitalization  between $1 billion  and $10
billion  at the time of  purchase.  The Fund  may  continue  to hold or add to a
position in a stock after it has grown beyond $10 billion.  Companies  may range
from the well established and well known to the new and unseasoned.

The  stocks are  selected  using a value  oriented  investment  approach  by the
Sub-Advisor which identifies value stocks in several ways.  Factors it considers
in  identifying  value  stocks may  include:
o  strong  fundamentals,   such  as  a  company's  financial,   operational  and
   competitive positions;
o  consistent cash flow; and
o  a sound earnings record through all phases of the market cycle.

The Sub-Advisor may also look for other  characteristics in a company, such as a
strong position  relative to competitors,  a high level of stock ownership among
management,  and a recent  sharp  decline in stock price that  appears to be the
result of a short-term  market  overreaction  to negative news. The  Sub-Advisor
believes that,  over time,  securities  that are  undervalued are more likely to
appreciate  in  price  and are  subject  to  less  risk of  price  decline  than
securities  whose market prices have already  reached their  perceived  economic
value.

This approach also involves  selling  portfolio  securities when the Sub-Advisor
believes they have reached their potential,  when the securities fail to perform
as  expected  or  when  other  opportunities  appear  more  attractive.   It  is
anticipated  that the annual  portfolio  turnover rate may be greater than 100%.
Turnover rates in excess of 100% generally  result in higher  transaction  costs
and a possible increase in short-term capital gains (or losses).

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends and  developments.  In  response,  the price of the  securities
issued  by such  companies  may  decline.  These  factors  contribute  to  price
volatility, which is the principal risk of investing in the Fund.

The medium  capitalization  companies the Fund invests in may be more vulnerable
to adverse business or economic events than larger, more established  companies.
In  particular,  these  mid-sized  companies may pose greater risk due to narrow
product  lines,  limited  financial  resources,  less depth in  management  or a
limited trading market for their securities.

In addition,  the Fund is subject to the risk that its principal market segment,
medium  capitalization  value stocks, may underperform  compared to other market
segments or to the equity markets as a whole.  Because different types of stocks
tend to shift in and out of favor  depending on market and economic  conditions,
the Fund's performance may sometimes be lower or higher than that of other types
of funds.  The value of the Fund's  equity  securities  may fluctuate on a daily
basis. If the investor sells Fund shares when their value is less than the price
the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Neuberger  Berman  Management  Inc.  ("Neuberger  Berman")  is an  affiliate  of
Neuberger  Berman,  LLC.  Together,  the firms manage more than $56.5 billion in
total assets (as of September 30, 2000) and continue an asset management history
that began in 1939.

Portfolio Manager
(since Fund's inception)
Robert I. Gendelman,  Managing Director and Portfolio Manager,  Neuberger Berman
Management,  Inc.,  since 1994. He holds a BA from the University of Michigan as
well as a JD and an MBA from the University of Chicago.

Investor Profile
The Fund is generally a suitable  investment if investors are seeking  long-term
growth  and are  willing  to  accept  short-term  fluctuations  in the  value of
investments.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.57%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                  $496


                              Principal Investors Fund, Inc. Profile
                              Partners SmallCap Growth Fund I
                              Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the Partners SmallCap Growth Fund
I ("Fund")  that is included  in the Fund's  prospectus.  The Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
To   pursue   its  goal,   the  Fund   invests   mainly  in  common   stocks  of
small-capitalization  companies,  which it defines as those with a total  market
value of no more than $1.5  billion at the time the Fund first  invests in them.
The Fund may continue to hold or add to a position in a stock after it has grown
beyond $1.5 billion.  The Fund seeks to reduce risk by  diversifying  among many
companies and industries.

The  Sub-Advisor  takes a growth approach to selecting  stocks,  looking for new
companies that are in the  developmental  stage as well as older  companies that
appear poised to grow because of new products, markets or management. Factors in
identifying  these  firms may  include  financial  strength,  a strong  position
relative to  competitors  and a stock price that is  reasonable  in light of its
growth rate.

The Sub-Advisor follows a disciplined selling strategy and may eliminate a stock
from the portfolio when it reaches a target price, fails to perform as expected,
or appears substantially less desirable than another stock.

Through active trading,  the Fund may have a high portfolio  turnover rate. High
turnover notes which can mean higher taxable distributions and lower performance
due to increased brokerage costs.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility  (wide,  rapid  fluctuations)  than  investments  in
larger, more mature companies.  Smaller companies may be developing or marketing
new products or services for which markets are not yet established and may never
become  established.   While  small,  unseasoned  companies  may  offer  greater
opportunities for capital growth than larger, more established  companies,  they
also involve greater risks and should be considered speculative.

In addition,  the Fund is subject to the risk that its principal market segment,
small  capitalization  growth stocks,  may  underperform  compared to the equity
markets  as a  whole.  The  securities  purchased  by the Fund  present  greater
opportunities for growth because of high potential earnings growth, but may also
involve greater risks than  securities that do not have the same potential.  The
value of the Fund's equity  securities  may fluctuate on a daily basis.  As with
all mutual funds,  as the values of the Fund's assets rise and fall,  the Fund's
share price  changes.  The Fund's  share price may  fluctuate  more than that of
funds  primarily  invested in stocks of mid and  large-sized  companies  and may
underperform as compared to the securities of larger companies.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Neuberger  Berman  Management  Inc.  ("Neuberger  Berman")  is an  affiliate  of
Neuberger  Berman,  LLC.  Together,  the firms manage more than $56.5 billion in
total assets (as of September 30, 2000) and continue an asset management history
that began in 1939.

Portfolio Managers
(since Fund's inception)
Michael F. Malouf. Mr. Malouf is a Vice President of Neuberger Berman Management
and Managing  Director of Neuberger  Berman,  LLC. Mr. Malouf joined the firm in
1998. From 1991 to 1998, he was a Portfolio Manager at another firm.

Jennifer  K.  Silver.  Ms.  Silver  is a  Vice  President  of  Neuberger  Berman
Management and Managing Director of Neuberger  Berman,  LLC. Ms. Silver has been
Director  of the  Growth  Equity  Group  since  1997  and was an  Analyst  and a
Portfolio Manager at another firm from 1981 to 1997.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                     1.10%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.67%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $170                 $526


                        Principal Investors Fund, Inc. Profile
                        Partners SmallCap Growth Fund II
                        Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the Partners SmallCap Growth Fund
II ("Fund")  that is included in the Fund's  prospectus.  The Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund  pursues its  investment  objective  by  investing  primarily in equity
securities of companies offering superior  prospects for earnings growth.  These
companies are generally characterized as "growth" companies. Under normal market
conditions,  the Fund invests at least 65% of its assets in companies with small
market capitalization.

Using its own quantitative process, the Sub-Advisor rates the future performance
potential of companies.  It then evaluates each  company's  earnings  quality in
light of their current valuation to narrow the list of attractive companies. The
Sub-Advisor  then  evaluates  product   positioning,   management   quality  and
sustainability  of current growth trends of those companies.  Using this type of
fundamental  analysis,  it selects the most  promising  companies for the Fund's
portfolio.

Companies  with  similar  characteristics  may  be  grouped  together  in  broad
categories  called  sectors.  In determining the amount to invest in a security,
the Fund's  exposure is limited to each business  sector that  comprises the S&P
500 Index.  The Fund  considers its approach  aggressive  because its strategies
with respect to security analysis, market capitalization, and sector allocation,
are designed to produce a portfolio of stocks whose long-term  growth  prospects
are significantly above those of the S&P 500 Index.  Accordingly,  the prices of
the  stocks  held by the Fund may,  under  certain  market  conditions,  be more
volatile than the prices of stocks selected using a less aggressive approach.

The Fund actively  trades its portfolio  securities in an attempt to achieve its
investment  objective.  Active  trading will cause the Fund to have an increased
portfolio  turnover rate, which is likely to generate  short-term gains (losses)
for its  shareholders,  which are taxed at a higher  rate than  long-term  gains
(losses).  Actively trading  portfolio  securities  increases the Fund's trading
costs and may have an adverse impact on the Fund's performance.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility  (wide,  rapid  fluctuations)  than  investments  in
larger, more mature companies.  Smaller companies may be developing or marketing
new products or services for which markets are not yet established and may never
become  established.   While  small,  unseasoned  companies  may  offer  greater
opportunities for capital growth than larger, more established  companies,  they
also involve greater risks and should be considered speculative.

In addition,  the Fund is subject to the risk that its principal market segment,
small  capitalization  growth stocks,  may  underperform  compared to the equity
markets  as a  whole.  The  securities  purchased  by the Fund  present  greater
opportunities for growth because of high potential earnings growth, but may also
involve greater risks than  securities that do not have the same potential.  The
value of the Fund's equity  securities  may fluctuate on a daily basis.  As with
all mutual funds,  as the values of the Fund's assets rise and fall,  the Fund's
share price  changes.  The Fund's  share price may  fluctuate  more than that of
funds  primarily  invested in stocks of mid and  large-sized  companies  and may
underperform as compared to the securities of larger companies.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Federated Investment Management Company ("Federated") is a registered investment
adviser and a wholly-owned  subsidiary of Federated  Investors,  Inc., which was
founded in 1955.  As of October 31,  2000,  Federated  managed  $131  billion in
assets.

Portfolio Managers
(since Fund's inception)
Keith J. Sabol,  CFA. Mr. Sabol joined Federated in 1994. He has been a Porfolio
Manager  since 1996 and  served as an  Assistant  Vice  President  of  Federated
Investment Management Company from 1997 to 1998. He has been a Vice President of
Federated Investment  Management Company since 1998. Mr. Sabol was an Investment
Analyst,   and  then  Equity  Research   Coordinator  for  Federated  Investment
Management  Company from 1994 to 1996.  Mr.  Sabol  earned his MS in  Industrial
Administration  from Carnegie Mellon University.  He has earned the right to use
the Chartered Financial Analyst designation.

Aash M. Shah,  CFA.  Mr. Shah joined  Federated in 1993 and has been a Portfolio
Manager and a Vice President of Federated  Investment  Management  Company since
1997. Mr. Shah was a Portfolio Manager and served as an Assistant Vice President
of Federated  Investment  Management  Company from 1995 through 1996,  and as an
Investment  Analyst  from  1993 to  1995.  Mr.  Shah  received  his  Masters  in
Industrial  Administration  from Carnegie Mellon University with a concentration
in  Finance  and  Accounting.  He has  earned  the  right  to use the  Chartered
Financial Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.57%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                 $496


                         Principal Investors Fund, Inc. Profile
                         Real Estate Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile summarizes key information about the Real Estate Fund ("Fund") that
is included in the Fund's prospectus.  The Fund's prospectus includes additional
information about the Fund,  including a more detailed  description of the risks
associated  with investing in the Fund that you may want to consider  before you
invest.  You  may  obtain  the  prospectus  and  other  information   (including
Sub-Advisor  composite  performance  information)  about  the Fund at no cost by
calling  1-800-547-7754.  The  prospectus  is also  available  on our website at
www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks to generate a total return.

Main Investment Strategies of the Fund
The Fund invests primarily in equity securities of companies principally engaged
in the real estate industry.  For purposes of the Fund's investment  policies, a
real estate  company has at least 50% of its assets,  income or profits  derived
from  products or  services  related to the real  estate  industry.  Real estate
companies  include real estate  investment trusts and companies with substantial
real estate holdings such as paper, lumber,  hotel and entertainment  companies.
Companies whose products and services relate to the real estate industry include
building  supply   manufacturers,   mortgage  lenders  and  mortgage   servicing
companies.

Real estate investment trusts ("REITs") are corporations or business trusts that
are  permitted  to eliminate  corporate  level  federal  income taxes by meeting
certain requirements of the Internal Revenue Code. REITs are characterized as:
o  equity REITs,  which primarily own property and generate  revenue from rental
   income;
o  mortgage REITs, which invest in real estate mortgages; and
o  hybrid REITs,  which combine the  characteristics of both equity and mortgage
   REITs.  In selecting  securities  for the Fund,  the  Sub-Advisor  focuses on
   equity REITs.
In selecting securities for the Fund, the Sub-Advisor uses a fundamental company
analysis  which  utilizes a free cash flow model.  The  Sub-Advisor  attempts to
leverage its  relationship  with its  affiliated  real estate  professionals  to
identify regions and assets classes for investment.

Main Risks of Investing in the Fund
Securities of real estate  companies  are subject to securities  market risks as
well as risks  similar  to those  of  direct  ownership  of real  estate.  These
include:
o  declines in the value of real estate
o  risks related to general and local economic conditions
o  dependency on management skills
o  heavy cash flow dependency
o  possible lack of available mortgage funds
o  overbuilding
o  extended vacancies in properties
o  increases in property taxes and operating expenses
o  changes in zoning laws
o  expenses incurred in the cleanup of environmental problems
o  casualty or condemnation losses
o  changes in interest rates

Because of these factors,  the value of the securities  held by the Fund, and in
turn the price per share of the Fund,  changes  on a daily  basis.  The  current
share price reflects the  activities of individual  companies as well as general
market and economic  conditions.  In the short-term,  share prices can fluctuate
dramatically  in  response  to these  factors.  Because  of these  fluctuations,
principal  values and  investment  returns vary.  As with all mutual funds,  the
value of the Fund's assets may rise or fall.  If the investor  sells Fund shares
when their value is less than the price the investor paid for them, the investor
will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Principal Capital Real Estate Investors, LLC ("PCREI"), an indirect wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 2000.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
____________were approximately $____ billion.

Portfolio Manager
(since Fund's inception)
Kelly D. Rush,  CFA.  Mr. Rush directs the Real Estate  Investment  Trust (REIT)
activity for PCREI. Mr. Rush joined the Principal Financial Group(R) in 1987 and
has been dedicated to public real estate  investments since 1995. His experience
includes  the  structuring  of public real  estate  transactions  that  included
commercial  mortgage loans and the issuance of unsecured  bonds. He received his
Master's degree and Bachelor's degree in Finance from the University of Iowa. He
has earned the right to use the Chartered Financial Analyst designation.

Investor Profile
The Fund is  generally  a suitable  investment  for  investors  who seek a total
return,  want to invest in companies engaged in the real estate industry and are
willing  to accept  the  potential  for  volatile  fluctuations  in the value of
investments.

                            Fund Operating Expenses

       Management Fees                      0.85%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

        Total Fund Operating Expenses       1.42%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $145                  $449


                         Principal Investors Fund, Inc. Profile
                         SmallCap S&P 600 Index Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key  information  about the SmallCap S&P 600 Index Fund
("Fund")  that is  included  in the Fund's  prospectus.  The  Fund's  prospectus
includes  additional  information  about the  Fund,  including  a more  detailed
description of the risks associated with investing in the Fund that you may want
to  consider  before  you  invest.  You may  obtain  the  prospectus  and  other
information (including Sub-Advisor composite performance  information) about the
Fund at no cost by calling  1-800-547-7754.  The prospectus is also available on
our website at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
Under normal market  conditions,  the Fund invests at least 80% of its assets in
common  stocks of  companies  that  compose the  Standard & Poor's  SmallCap 600
Index*.  The  Sub-Advisor  attempts to mirror the investment  performance of the
index by allocating the Fund's assets in  approximately  the same  weightings as
the S&P 600. The S&P 600 is an unmanaged index of 600 domestic stocks chosen for
market size, liquidity and industry group representation.

The Fund uses an indexing  strategy and is not managed  according to traditional
methods of "active" investment management.  It does not attempt to manage market
volatility,  use  defensive  strategies  or reduce the  effect of any  long-term
periods  of poor  stock  performance.  The  correlation  between  Fund and index
performance  may be  affected  by the Fund's  expenses,  changes  in  securities
markets, changes in the composition of the index and the timing of purchases and
sales of Fund shares.

Main Risks of Investing in the Fund
Because of the  difficulty  and  expense of  executing  relatively  small  stock
trades, the Fund may not always be invested in the less heavily weighted S&P 600
stocks.  The  Fund's  portfolio  may be  weighted  differently  from  the  index
particularly if the Fund has a small level of assets to invest. In addition, the
Fund's ability to match the  performance of the index is affected to some degree
by the size and  timing  of cash  flows  into and out of the  Fund.  The Fund is
managed to attempt to minimize such effects.

Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility than investments in larger,  more mature  companies.
Smaller  companies  may be  developing or marketing new products or services for
which markets are not yet  established and may never become  established.  While
small,  unseasoned companies may offer greater  opportunities for capital growth
than larger, more established companies, they also involve greater risks.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Managers
(since Fund's inception)
Robert Baur,  Ph.D. Dr. Baur joined Invista in 1995 after serving as a professor
of finance and economics at Drake University and Grand View College. He received
his Bachelor's  degree in Mathematics and his Ph.D. in Economics from Iowa State
University.  Dr. Baur also did  post-doctoral  study in finance and economics at
the University of Minnesota.  He also holds a BS in Mathematics  from Iowa State
University.

Rhonda VanderBeek.  Ms. Vander Beek directs trading operations for Invista index
accounts.  She  joined  the  Principal  Financial  Group(R)in  1983 as a trading
statistical  clerk and moved to Invista in 1992.  Ms.  Vander Beek has extensive
experience trading both domestic and international securities.


Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
volatile  fluctuations  in the value of investments  and prefer a passive rather
than active management style.

* Standard & Poor's  Corporation  is not  affiliated  with the  SmallCap S&P 600
Index Fund, Invista or The Principal.

                            Fund Operating Expenses

       Management Fees                      0.15%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     0.72%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class          $74                  $230


                         Principal Investors Fund, Inc. Profile
                         SmallCap Blend Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the SmallCap Blend Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of small  capitalization  companies.
Under normal market  conditions,  the Fund invests at least 65% of its assets in
companies  with a market  capitalization  of $1.5 billion or less at the time of
purchase.

         In selecting securities for investment, the Sub-Advisor looks at stocks
with value and/or growth  characteristics and constructs an investment portfolio
that has a "blend" of stocks with these characteristics.  In managing the assets
of the Fund, the  Sub-Advisor  does not have a policy of preferring one of these
categories to the other. The value orientation  emphasizes buying stocks at less
than  their   investment   value  and  avoiding  stocks  whose  price  has  been
artificially  built up.  The  growth  orientation  emphasizes  buying  stocks of
companies  whose  potential for growth of capital and earnings is expected to be
above average.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility  (wide,  rapid  fluctuations)  than  investments  in
larger, more mature companies.  Smaller companies may be developing or marketing
new products or services for which markets are not yet established and may never
become  established.   While  small,  unseasoned  companies  may  offer  greater
opportunities for capital growth than larger, more established  companies,  they
also involve greater risks and should be considered speculative.

In addition,  the Fund is subject to the risk that its principal market segment,
small capitalization  stocks, may underperform compared to the equity markets as
a whole.  The value of the Fund's  equity  securities  may  fluctuate on a daily
basis.  As with all mutual  funds,  as the values of the Fund's  assets rise and
fall, the Fund's share price changes.  The Fund's share price may fluctuate more
than that of funds primarily invested in stocks of mid and large-sized companies
and may underperform as compared to the securities of larger  companies.  If the
investor  sells Fund shares when their value is less than the price the investor
paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Managers
(since Fund's inception)
Tom Morabito,  CFA. Mr.  Morabito  joined  Invista in 2000 as the lead small-cap
value portfolio  manager.  He has more than 12 years of analytical and portfolio
management  expertise.  Since  1994,  Mr.  Morabito  was a manager  for  INVESCO
Management  &  Research.  He  received  his  MBA in  Finance  from  Northeastern
University and his Bachelor's  degree in Economics from State  University of New
York.  He  has  earned  the  right  to  use  the  Chartered   Financial  Analyst
designation.

Michael L. Johnson.  Mr. Johnson is a portfolio manager of Invista.  He performs
security analysis and strategy development for the firm's growth equity research
effort. Mr. Johnson specializes in the capital goods, health care and technology
sectors.  He joined  Invista in 1992. He received his MBA from Drake  University
and his  Bachelor's  degree in  business  administration  and  finance  from the
University of Nebraska.  He has earned the right to use the Chartered  Financial
Analyst designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of  capital.  Investors  must be  willing  to accept  the  potential  for
volatile fluctuations in the value of investments.

                            Fund Operating Expenses

       Management Fees                      0.75%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

           Total Fund Operating Expenses    1.32%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class   $134      $418


                         Principal Investors Fund, Inc. Profile
                         SmallCap Growth Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the SmallCap Growth Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of small  capitalization  companies.
Under normal market  conditions,  the Fund invests at least 65% of its assets in
companies  with a market  capitalization  of $1.5 billion or less at the time of
purchase.

The  Sub-Advisor  selects  individual  securities that it believes have an above
average  potential  for  earnings  growth.  Selection  is based  on  fundamental
analysis  of a company  relative to other  companies  with the focus being on an
assessment of current and future sales growth and operating margins.

The  Sub-Advisor  focuses its stock  selection  on  companies  it believes  have
sustainable competitive advantages and constructs a portfolio that is "benchmark
aware"  in  that  it  is  sensitive  to  the  sector   (companies  with  similar
characteristics) and security weightings of its benchmark.  However, the Fund is
actively  managed  and  prepared  to  over-  and/or  under-weight   sectors  and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility, which is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility  (wide,  rapid  fluctuations)  than  investments  in
larger, more mature companies.  Smaller companies may be developing or marketing
new products or services for which markets are not yet established and may never
become  established.   While  small,  unseasoned  companies  may  offer  greater
opportunities for capital growth than larger, more established  companies,  they
also involve greater risks and should be considered speculative.

In addition,  the Fund is subject to the risk that its principal market segment,
small  capitalization  growth stocks,  may  underperform  compared to the equity
markets  as a  whole.  The  securities  purchased  by the Fund  present  greater
opportunities for growth because of high potential earnings growth, but may also
involve greater risks than securities that do not have the same potential.

The value of the Fund's equity  securities  may  fluctuate on a daily basis.  As
with all mutual  funds,  as the values of the Fund's  assets rise and fall,  the
Fund's share price changes.  The Fund's share price may fluctuate more than that
of funds primarily  invested in stocks of mid and large-sized  companies and may
underperform as compared to the securities of larger companies.  If the investor
sells Fund shares when their value is less than the price the investor  paid for
them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
John F. McClain. Mr. McClain is a portfolio manager for small company and medium
company  growth  products.  He joined  Invista  in 1990.  Previously,  he was an
investment executive with Paine Webber. He earned an MBA from Indiana University
and a BBA in Economics from the University of Iowa.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital. Investors must be willing to accept the risks of investing in
common  stocks that may have greater  risks than stocks of companies  with lower
potential for earnings growth.

                            Fund Operating Expenses

       Management Fees                      0.75%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.32%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09

                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $134                 $418


                         Principal Investors Fund, Inc. Profile
                         SmallCap Value Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information  about the SmallCap Value Fund ("Fund")
that is  included  in the  Fund's  prospectus.  The Fund's  prospectus  includes
additional  information about the Fund, including a more detailed description of
the risks  associated  with  investing in the Fund that you may want to consider
before  you  invest.  You  may  obtain  the  prospectus  and  other  information
(including  Sub-Advisor composite performance  information) about the Fund at no
cost by calling 1-800-547-7754.  The prospectus is also available on our website
at www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests primarily in common stocks of small  capitalization  companies.
Under normal market  conditions,  the Fund invests at least 65% of its assets in
companies  with a market  capitalization  of $1.5 billion or less at the time of
purchase.   These  stocks  are  often   characterized  by  below-average   stock
price/earnings ratios and above-average dividend yields. The Sub-Advisor selects
the Fund's investments  primarily on the basis of fundamental security analysis,
focusing on the company's financial stability, sales, earnings, dividend trends,
return on equity and industry trends.

The  Sub-Advisor  focuses its stock  selection  on  companies  it believes  have
sustainable competitive advantages and constructs a portfolio that is "benchmark
aware"  in  that  it  is  sensitive  to  the  sector   (companies  with  similar
characteristics) and security weightings of its benchmark.  However, the Fund is
actively  managed  and  prepared  to  over-  and/or  under-weight   sectors  and
industries differently from the benchmark.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic trends and developments. In response, the price of securities issued by
such companies may decline. These factors contribute to price volatility,  which
is the principal risk of investing in the Fund.

Investments in companies with smaller market capitalizations may involve greater
risks and price  volatility  (wide,  rapid  fluctuations)  than  investments  in
larger, more mature companies.  Smaller companies may be developing or marketing
new products or services for which markets are not yet established and may never
become  established.   While  small,  unseasoned  companies  may  offer  greater
opportunities for capital growth than larger, more established  companies,  they
also involve greater risks and should be considered speculative.

In addition,  the Fund is subject to the risk that its principal market segment,
small  capitalization  value  stocks,  may  underperform  compared to the equity
markets as a whole. The value of the Fund's equity securities may fluctuate on a
daily basis.  As with all mutual funds,  as the values of the Fund's assets rise
and fall, the Fund's share price  changes.  The Fund's share price may fluctuate
more  than that of funds  primarily  invested  in stocks of mid and  large-sized
companies  and  may  underperform  as  compared  to  the  securities  of  larger
companies.  If the investor  sells Fund shares when their value is less than the
price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
Invista  Capital  Management,   LLC(R)  ("Invista"),  an  indirect  wholly-owned
subsidiary  of  Principal  Life  Insurance  Company  (The  Principal(R))  and an
affiliate  of the  Manager,  was  founded in 1985.  It manages  investments  for
institutional investors,  including The Principal. Assets under management as of
_________ were approximately $______ billion.

Portfolio Manager
(since Fund's inception)
Tom Morabito,  CFA. Mr.  Morabito  joined  Invista in 2000 as the lead small-cap
value portfolio  manager.  He has more than 12 years of analytical and portfolio
management  expertise.  Since  1994,  Mr.  Morabito  was a manager  for  Invesco
Management  &  Research.  He  received  his  MBA in  Finance  from  Northeastern
University and his Bachelor's  degree in Economics from State  University of New
York.  He  has  earned  the  right  to  use  the  Chartered   Financial  Analyst
designation.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth  of  capital  who are  willing  to  accept  the  potential  for  volatile
fluctuations in the value of investments.

                            Fund Operating Expenses

       Management Fees                      0.75%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.32%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest $10,  000 in the Fund for the time periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $134                  $418


                         Principal Investors Fund, Inc. Profile
                         Technology Fund
                         Advisors Preferred Class Shares

                               The date of this Profile is ___________ ___, 2000

This Profile  summarizes key information about the Technology Fund ("Fund") that
is included in the Fund's prospectus.  The Fund's prospectus includes additional
information about the Fund,  including a more detailed  description of the risks
associated  with investing in the Fund that you may want to consider  before you
invest.  You  may  obtain  the  prospectus  and  other  information   (including
Sub-Advisor  composite  performance  information)  about  the Fund at no cost by
calling  1-800-547-7754.  The  prospectus  is also  available  on our website at
www.principal.com.

Advisors  Preferred shares of the Fund are available to an employer's  sponsored
retirement  plan(s) (the "plan") if the plan invests at least $10 million in the
Principal Investors Fund.

Fund Objective/Goal
The Fund seeks long-term growth of capital.

Main Investment Strategies of the Fund
The Fund invests  primarily in common stocks and other  securities of technology
and   telecommunications   companies   domiciled  anywhere  in  the  world.  The
Sub-Advisor  believes  that  analysis  and  research  needs to be conducted in a
global  context and considers  companies in a broad range of  technology-related
industries,  generally including:  computers;  software and peripheral products;
electronics; communications equipment and services; and information services.

The Sub-Advisor focuses on three key criteria when selecting securities:
o  business franchise - considering  factors such as the company's  relationship
   with its suppliers and customers,  the degree of rivalry with  competitors as
   well as the exposure to regulatory and technological risk;
o  quality of management - assessing the company's  management on its ability to
   execute current  business plans,  manage the capital invested in the business
   as well as the level of transparency with respect to strategy and operations;
   and
o  business  valuation - determining the private market or `true business value'
   of the firm.

The Sub-Advisor's  qualitative analysis is complemented by disciplined valuation
techniques.  These include  proprietary  models as well as  conventional  market
measurements  and industry  specific models of relative  value.  This analytical
framework ensures consistency and transparency  throughout the research process.
Portfolios are constructed and managed within predetermined  guidelines that are
regularly monitored by the Sub-Advisor.

Main Risks of Investing in the Fund
Because it  purchases  equity  securities,  the Fund is subject to the risk that
stock  prices  will fall over  short or  extended  periods  of time.  Individual
companies may report poor results or be negatively  affected by industry  and/or
economic  trends  and  developments.  The  price of  securities  issued  by such
companies may suffer a decline in response.  These  factors  contribute to price
volatility.

The Fund may invest in  securities  of  companies  with  small to medium  market
capitalizations.  While small  companies  may offer  greater  opportunities  for
capital  growth than  larger,  more  established  companies,  they also  involve
greater risk and should be considered speculative.  Small to mid-sized companies
may pose greater risk due to narrow product lines,  limited financial resources,
less depth in management or a limited trading market for their securities.

The  Fund is also  subject  to the  risk  that  its  principal  market  segment,
technology stocks, may underperform  compared to other market segments or to the
equity markets as a whole. The competitive pressures of advancing technology and
the number of companies  and product  offerings  which  continue to expand could
cause  technology  companies to become  increasingly  sensitive to short product
cycles and aggressive pricing.

As with all mutual funds,  as the value of the Fund's assets rise and fall,  the
Fund's share price  changes.  If the investor sells Fund shares when their value
is less than the price the investor paid for them, the investor will lose money.

Performance
Because the inception date of the Fund is December, 2000, historical performance
data is not available.

Manager
The Manager of the Fund is Principal Management Corporation. The Manager handles
the investment  advisory services and provides certain corporate  administrative
services  to the Fund.  The  Manager  is an  indirect  subsidiary  of  Principal
Financial Services,  Inc. and has managed mutual funds since 1969. As of October
31, 2000, the mutual funds it manages had assets of approximately  $6.6 billion.
The Manager has contracted with the Sub-Advisor to provide  investment  advisory
services to the Fund.

Sub-Advisor
BT Funds  Management  (International)  Limited ("BT") is a related company of BT
Funds  Management  Limited  ("BTFM")  and a member  of the  Principal  Financial
Group(R).  As of October 31, 2000,  BT,  together with BTFM,  had  approximately
$23.8 billion under management.

Portfolio Manager
(since Fund's inception)
David Mills is  Executive  Vice  President  of BT and serves as its head of U.S.
Equities. He joined BT's retail unit trust team in January 1990 as an Analyst in
European equities.  In July 1996, he assumed fund management  responsibility for
all of the direct European investment vehicles offered by BT.

Investor Profile
The Fund is generally a suitable  investment  for  investors  seeking  long-term
growth of capital in the technology  and  telecommunications  sector.  Investors
must be able to assume the increased risks of higher price volatility associated
with  such  investments  as  well  as  currency  fluctuations   associated  with
investments in stocks trading in non-U.S. currencies.

                            Fund Operating Expenses

       Management Fees                      1.00%
       12b-1 Fees                           0.31
       Other Expenses*                      0.26

          Total Fund Operating Expenses     1.57%

     * Other Expenses:
          Service Fee                       0.17%
          Administrative Service Fee        0.09


                                    Example

The Example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated  and then redeem all of your shares at the end of those  periods.  The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating  expenses remain the same. Based on these assumptions your cost
would be:

                                1 Year               3 Years

Advisors Preferred Class         $160                 $496


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