AUL AMERICAN SERIES FUND INC
497, 2000-05-02
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                         AUL American Series Fund, Inc.
                               One American Square
                          Indianapolis, Indiana 46282
                                 (800) 249-6269

     AUL American  Series  Fund,  Inc.  (the  "fund") is an open-end  investment
company consisting of eight separate portfolios:

<TABLE>
<S>                                       <C>

   AUL American Equity portfolio           AUL American Tactical Asset Allocation portfolio
   AUL American Bond portfolio             AUL American Conservative Investor portfolio
   AUL American Money Market portfolio     AUL American Moderate Investor portfolio
   AUL American Managed portfolio          AUL American Aggressive Investor portfolio
</TABLE>

     Each  portfolio has its own investment  objectives and policies,  which are
described later in this prospectus.

     Shares of common stock of the portfolios are sold only to separate accounts
of American  United  Life  Insurance  Company(R)  (AUL) to fund  investments  in
variable life and annuity  contracts issued by AUL. The separate accounts of AUL
buy and sell shares of the portfolios  according to instructions given by owners
or  participants  in the contracts.  The rights of owners and  participants  are
described in the contracts or the  certificates  for those  contracts and in the
prospectus for the contracts.

     This prospectus  should be read in conjunction with the separate  account's
prospectus  describing the contracts.  Please read both  prospectuses and retain
them for future reference.

     Neither  the  SEC nor any  state  securities  commission  has  approved  or
disapproved  these  securities  or found that this  prospectus  is  accurate  or
complete. Any representation to the contrary is a criminal offense.

                                   May 1, 2000

<PAGE>


                                TABLE OF CONTENTS

Description                                                                 Page

The Portfolios............................................................   3-9
  The Equity Portfolio....................................................     3
  The Bond Portfolio......................................................     4
  The Money Market Portfolio..............................................     5
  The Managed Portfolio...................................................     6
  The Tactical Asset Allocation Portfolio.................................     7
  The Conservative Investor Portfolio.....................................     8
  The Moderate Investor Portfolio.........................................     8
  The Aggressive Investor Portfolio.......................................     8
    Investment Strategy of the LifeStyle Portfolios.......................     8
    Operating Ranges......................................................     8

Financial Highlights...................................................... 10 15

General Information about the Fund........................................ 16-17
  Management of the Fund..................................................    16
  The Investment Manager--American United Life Insurance Company(R).......    16
  The Portfolio Managers and the Sub-Advisers.............................    17
    The Equity Portfolio..................................................    17
    The Bond Portfolio....................................................    17
    The Managed Portfolio.................................................    17
    The Sub-Advisers......................................................    17
      The Tactical Asset Allocation Portfolio.............................    17
      The LifeStyle Portfolios............................................    17

Further Portfolio Information; Investments;
 Investment Strategies and Risks.......................................... 18-21
  Investments and Investment Strategies...................................    18
   The Equity Portfolio...................................................    18
   The Bond Portfolio.....................................................    18
   The Money Market Portfolio.............................................    18
   The Managed Portfolio..................................................    18
   The Tactical Asset Allocation Portfolio................................    18
   The LifeStyle Portfolios...............................................    19
  General Risks...........................................................    19
   Market Risk............................................................    19
   Interest Rate Risk.....................................................    19
   Credit Risk............................................................    20
  Defensive Strategy......................................................    20

Legal Proceedings.........................................................    20

Diversification...........................................................    20

Purchase and Redemption of Shares.........................................    20
  Net Asset Value.........................................................    21

Taxation..................................................................    21


Statement of Additional Information.......................................    21

                                       -2-

<PAGE>


                                 The Portfolios

The Equity Portfolio

     The primary  investment  objective  of the Equity  portfolio  is  long-term
capital  appreciation.  The  portfolio  seeks  current  investment  income  as a
secondary  objective.  To do this,  the  portfolio  primarily  invests in equity
securities that the adviser selects based on fundamental investment research for
their long-term growth prospects.  The portfolio uses a value-driven approach in
selecting portfolio securities.

     Normally,  at least 65% of the  portfolio's  assets  will be common  stocks
listed  on a  national  securities  exchange  or  traded  over-the-counter.  The
portfolio may invest up to 35% of its assets in other instruments and investment
techniques such as American  Depository  Receipts,  preferred stock,  debentures
that can be converted to common stock or that have rights to buy common stock in
the  future,   nonconvertible  debt  securities,   U.S.  Government  securities,
commercial paper and other money market instruments,  repurchase  agreements and
reverse repurchase agreements.

     An investment in the portfolio entails investment risk,  including possible
loss of the principal amount invested.  The portfolio is subject to market risk,
which is the risk that the market value of a portfolio  security may move up and
down,  sometimes rapidly and unpredictably.  This risk may be particularly acute
for the  portfolio's  investments  in common  stocks  and other  types of equity
securities.  The portfolio is  also subject to interest rate risk,  which is the
risk that changes in interest rates will affect the value of its investments. In
particular,  the  portfolio's  investments (if any) in debt securities and other
fixed income securities generally will change in value inversely with changes in
interest rates.  Also, an investment by the portfolio in fixed income securities
generally  will expose the portfolio to credit risk,  which is the risk that the
issuer  of a  security  will  default  or not be  able  to  meet  its  financial
obligations.

     An  investment in the portfolio is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

     The chart and table below provide some indication of the risks of investing
in the Equity portfolio by showing annual returns since 1991 and average returns
since  inception  compared  to  a  broad  measure  of  market  performance.  The
information does not reflect charges and fees associated with a separate account
that invests in the portfolio or any insurance  contract for which the portfolio
is an investment  option.  These charges and fees will reduce  returns.  How the
portfolio  has  performed  in  the  past  is  not an  indication  of its  future
performance.

[Bar chart inserted with returns printed above each year's column.]

Numbers to be inserted are:  for 1991:  25.6%    for 1996:  19.2%

                             for 1992:  10.0%    for 1997:  29.6%

                             for 1993:  14.8%    for 1998:   7.1%

                             for 1994:   2.6%    for 1999:  (0.9%)

                             for 1995:  19.4%

     During this  period,  the  portfolio's  highest  return for any quarter was
15.87%,  which occurred in the first quarter of 1991 and the lowest return for a
quarter was -13.23% in the third quarter of 1998.

     The following table demonstrates the average annual return of the portfolio
as of December 31,  1999,  compared to the Standard & Poor's 500 Index (the "S&P
500")for one year, five years, and since the inception of the portfolio on April
10, 1990. The S&P 500 Index is a market-value-weighted benchmark of common stock
performance.  The S&P 500 Index  includes 500 of the largest stocks (in terms of
market value) in the United States. Investors cannot directly invest in an index
and unlike the portfolio,  an index is unmanaged and does not incur  transaction
or other expenses.

                 Average Annual       Average Annual        Average Annual
              Return for One Year  Return for Five Years  Return Since 4/10/90
              -------------------  ---------------------  --------------------

Equity portfolio    (0.9%)               14.4%                  12.5%

S&P 500             21.0%                28.5%                  19.0%

                                      -3-

<PAGE>

The Bond Portfolio

     The primary investment objective of the Bond portfolio is to provide a high
level of current income  consistent  with prudent  investment  risk. A secondary
investment objective is to provide capital appreciation to the extent consistent
with the primary  objective.  To do this,  the portfolio  buys mostly  corporate
bonds and other debt securities.  A predominant number of the corporate bonds in
the portfolio  will be considered to be  "investment  grade".  The portfolio may
also buy U.S.  Government  securities,  convertible  bonds, and  mortgage-backed
securities.

     The portfolio may invest in bonds of any maturity. The average maturity and
type of bonds in the portfolio  changes  based on the  adviser's  view of market
conditions  and the chance for a change in the interest  rates for the different
types of bonds the portfolio buys.

     The adviser  believes  that  having  mostly  investment  grade bonds in the
portfolio  protects  investors  from the risk of losing  principal and interest.
However,  if the  adviser  feels  that it can take  advantage  of higher  yields
offered by bonds that are not investment grade ("junk bonds"), the portfolio may
invest up to 10% of its  assets in such  bonds.  Bonds  that are not  investment
grade have a higher risk of losing  principal and interest than investment grade
bonds.

     An investment in the portfolio entails investment risk,  including possible
loss of the principal amount invested.  The portfolio is subject to market risk,
which is the risk that the market value of a portfolio  security may move up and
down,  sometimes  rapidly and  unpredictably.  The portfolio  also is subject to
interest rate risk, which is the risk that changes in interest rates will affect
the value of its investments. In particular, the portfolio's investments in debt
securities  and other fixed  income  securities  generally  will change in value
inversely  with  changes  in  interest   rates.   Longer  term  bonds  typically
demonstrate  the  greatest  changes in value in  response to changes in interest
rates. Also, an investment by the portfolio in fixed income securities generally
will expose the portfolio to credit risk, which is the risk that the issuer of a
security  will  default  or not be  able  to  meet  its  financial  obligations.
Investments  in junk bonds are subject to credit  risk to a greater  degree than
more highly-rated, investment grade securities.

     An  investment in the portfolio is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

     The chart and table below provide some indication of the risks of investing
in the Bond portfolio by showing  annual returns since 1991 and average  returns
since  inception  compared  to  a  broad  measure  of  market  performance.  The
information does not reflect charges and fees associated with a separate account
that invests in the portfolio or any insurance  contract for which the portfolio
is an investment  option.  These charges and fees will reduce  returns.  How the
portfolio  has  performed  in  the  past  is  not an  indication  of its  future
performance.

[Bar chart inserted with returns printed above each year's column.]

Numbers to be inserted are:   for 1991: 16.4%     for 1996:  2.2%

                              for 1992:  7.2%     for 1997:  7.8%

                              for 1993: 10.7%     for 1998:  8.8%

                              for 1994: -3.6%     for 1999: (1.1%)

                              for 1995: 17.8%

     During this  period,  the  portfolio's  highest  return for any quarter was
7.06%,  which  occurred in the third quarter of 1991 and the lowest return for a
quarter was -3.19% in the first quarter of 1994.

     The following table demonstrates the average annual return of the portfolio
as of December 31, 1999,  compared to the Lehman  Brothers  Aggregate Index (the
"Lehman  Index")  for one year,  five  years,  and since  the  inception  of the
portfolio on April 10, 1990. The Lehman Brothers Aggregate Bond Index is a broad
market-value-weighted  benchmark of U.S. investment-grade bond performance.  The
Lehman   Aggregate  Index  includes  all   investment-grade   U.S.  bond  issues
(government, corporate, mortgage-backed and asset-backed) with a minimum of $100
million  par  value  and that  have at least  one year  remaining  to  maturity.
Investors cannot directly invest in an index and unlike the portfolio,  an index
is unmanaged and does not incur transaction or other expenses.

                 Average Annual       Average Annual         Average Annual
              Return for One Year  Return for Five Years  Return Since 4/10/90
              -------------------  ---------------------  --------------------

Bond portfolio      (1.1%)                 6.9%                 7.5%

Lehman Brothers
  Aggregate Index   (0.8%)                 7.7%                 8.0%

                                      -4-
<PAGE>

The Money Market Portfolio

     The investment objective of the Money Market portfolio is to provide a high
level of current income while  preserving  assets and maintaining  liquidity and
investment quality. To do this, the portfolio invests in short-term money market
instruments  of the highest  quality  that the adviser  has  determined  present
minimal  credit risk.  The  portfolio  invests only in money market  instruments
denominated  in U.S.  dollars  that mature in 13 months or less from the date of
purchase.

     The  portfolio  is subject to  interest  rate risk,  which is the risk that
changes in interest rates will affect the value of its investments.  Investments
in debt  securities and other fixed income  securities  generally will change in
value inversely with changes in interest rates. However, fixed income securities
with  shorter  terms to  maturity,  like those in which the  portfolio  invests,
typically  demonstrate  smaller  changes  in value in  response  to  changes  in
interest  rates than do longer  term  securities.  Also,  an  investment  by the
portfolio in money market  instruments will expose the portfolio to credit risk,
which is the risk that the issuer of a security  will  default or not be able to
meet  its  financial  obligations.   However,  the  portfolio  invests  only  in
instruments that the adviser has determined present minimal credit risk.

     An investment in this portfolio is not a bank deposit and is not insured or
guaranteed  by  the  Federal   Deposit   Insurance   Corporation  or  any  other
governmental  agency.  Although the portfolio seeks to preserve the value of its
investment  at $1 per share,  it is possible to lose money by  investing  in the
portfolio.

     The chart and table below provide some indication of the risks of investing
in the Money Market  portfolio by showing  annual returns since 1991 and average
returns since inception compared to a broad measure of market  performance.  The
information does not reflect charges and fees associated with a separate account
that invests in the portfolio or any insurance  contract for which the portfolio
is an investment  option.  These charges and fees will reduce  returns.  How the
portfolio  has  performed  in  the  past  is  not an  indication  of its  future
performance.

[Bar chart inserted with returns printed above each year's column.]

Numbers to be inserted are:   for 1991:   5.5%    for 1996:   4.6%

                              for 1992:   3.0%    for 1997:   4.9%

                              for 1993:   2.3%    for 1998:   4.9%

                              for 1994:   3.4%    for 1999:   4.6%

                              for 1995:   5.1%

     During this  period,  the  portfolio's  highest  return for any quarter was
1.56%,  which  occurred in the first quarter of 1991 and the lowest return for a
quarter was 0.55% in the fourth quarter of 1993.

     The following table demonstrates the average annual return of the portfolio
as of December 31, 1999, compared to the return on 90 Day Treasury Bills for one
year, five years, and since the inception of the portfolio on April 10, 1990.

                 Average Annual       Average Annual         Average Annual
              Return for One Year  Return for Five Years  Return Since 4/10/90
              -------------------  ---------------------  --------------------

Money Market         4.6%                 4.8%                4.2%
  Portfolio
90-Day Treasury      4.9%                 5.4%                5.2%
  Bill

     For the seven day period ended December 31, 1999, the current yield for the
portfolio was 6.0294% and the effective yield was 6.2112%.

                                      -5-
<PAGE>

The Managed Portfolio

     The  investment  objective  of the Managed  portfolio  is to provide a high
total return  consistent  with prudent  investment  risk. The investments of the
portfolio  are not limited to one type of investment  and it purchases  publicly
traded common stocks, debt securities, and money market instruments.  The makeup
of the  portfolio  changes,  based on the  adviser's  evaluation of economic and
market trends and the expected total return from a particular  type of security.
Therefore,  up to 100%  of the  portfolio  may be  invested  in any one  type of
investment such as common stocks, debt securities, or money market instruments.

     The portfolio may buy common stocks and debt securities  which are eligible
for purchase by the Equity and Bond  portfolios as described  above.  Therefore,
the  portfolio  can invest up to 10% of its assets in debt  securities  that are
rated  below-investment  grade ("junk  bonds").  The portfolio also may buy high
quality money market instruments.

     An investment in the portfolio entails investment risk,  including possible
loss of the principal amount invested.  The portfolio is subject to market risk,
which is the risk that the market value of a portfolio  security may move up and
down,  sometimes rapidly and unpredictably.  This risk may be particularly acute
for the  portfolio's  investments  in common  stocks  and other  types of equity
securities.  The portfolio  also is subject to interest rate risk,  which is the
risk that changes in interest rates will affect the value of its investments. In
particular,  the  portfolio's  investments  in debt  securities  and other fixed
income  securities  generally  will change in value  inversely  with  changes in
interest rates. Longer term bonds typically  demonstrate the greatest changes in
value in response to changes in  interest  rates.  Also,  an  investment  by the
portfolio  in fixed income  securities  generally  will expose the  portfolio to
credit risk, which is the risk that the issuer of a security will default or not
be able to meet its  financial  obligations.  Investments  in bonds that are not
investment  grade are  subject  to credit  risk to a  greater  degree  than more
highly-rated, investment grade securities.

     An  investment in the portfolio is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

     The chart and table below provide some indication of the risks of investing
in the  Managed  portfolio  by showing  annual  returns  since 1991 and  average
returns since  inception  compared to two broad measures of market  performance.
The  information  does not reflect  charges and fees  associated with a separate
account that invests in the  portfolio or any  insurance  contract for which the
portfolio is an investment  option.  These charges and fees will reduce returns.
How the  portfolio  has performed in the past is not an indication of its future
performance.

[Bar chart inserted with returns printed above each year's column.]

Numbers to be inserted are:   for 1991: 16.7%     for 1996: 11.8%

                              for 1992:  7.9%     for 1997: 20.9%

                              for 1993: 13.0%     for 1998:  8.3%

                              for 1994:(0.9%)     for 1999: (0.7%)

                              for 1995: 19.1%

     During this  period,  the  portfolio's  highest  return for any quarter was
10.00%, which occurred in the second quarter of 1997 and the lowest return for a
quarter was -6.60% in the third quarter of 1998.

     The following table demonstrates the average annual return of the portfolio
as of December  31,  1999,  compared to the S&P 500 and the Lehman Index for one
year,  five years,  and since the  inception of the portfolio on April 10, 1990.
Investors cannot directly invest in an index and unlike the portfolio,  an index
is unmanaged and does not incur transaction or other expenses.


                 Average Annual       Average Annual        Average Annual
              Return for One Year  Return for Five Years  Return Since 4/10/90
              -------------------  ---------------------  --------------------

Managed portfolio   (0.7%)                11.6%                10.3%

S&P 500             21.0%                 28.5%                19.0%

Lehman Brothers
  Aggregate Index   (0.8%)                 7.7%                 8.0%

                                      -6-
<PAGE>

The Tactical Asset Allocation Portfolio

     The  investment  objective of the Tactical  Asset  Allocation  portfolio is
preservation  of capital and  competitive  investment  returns.  To do this, the
portfolio invests primarily in stocks,  United States Treasury bonds,  notes and
bills,  and  money  market  instruments  as well  as by  lending  its  portfolio
securities to brokers,  dealers, and other financial institutions.  When markets
are favorable, the portfolio concentrates on performance;  in declining markets,
the  portfolio  will have less equities in its portfolio in an effort to protect
its assets.

     In  allocating  the  portfolio's   investments  among  asset  classes,  the
portfolio's  sub-adviser  utilizes forecasting models which evaluate risk versus
reward  relationships  of  different  asset  classes.  These  models  enable the
sub-adviser  to  determine  when to  "tactically"  adjust  the asset  allocation
through  a  gradual   shifting  of  assets  among  the  various   categories  of
investments. The portfolio will seek to achieve income in excess of the dividend
income yield of the S&P 500.

     The portfolio  will normally  invest 80% of its equity assets in the common
or preferred  stocks of companies that pay dividends and no more than 20% of its
assets in companies that do not pay dividends.  Generally, the equity securities
that are bought are listed on a national  securities  exchange  or are traded in
the U.S.  over-the-counter  market.  The  focus is  generally  on high  quality,
liquid, undervalued, large capitalization stocks. When market conditions require
a  more  defensive  position,  the  portfolio  invests  more  of its  assets  in
investment grade corporate debt securities, U.S. Government securities and money
market instruments.

     Because of the portfolio's  flexible investment policy,  portfolio turnover
may be greater than for a portfolio that does not allocate  assets among various
types of securities, which may increase the portfolio's expenses.

     An investment in the portfolio entails investment risk,  including possible
loss of the principal amount invested.  The portfolio is subject to market risk,
which is the risk that the market value of a portfolio  security may move up and
down,  sometimes rapidly and unpredictably.  This risk may be particularly acute
for the  portfolio's  investments  in common  stocks  and other  types of equity
securities, particularly those of foreign issuers. The portfolio also is subject
to interest  rate risk,  which is the risk that  changes in interest  rates will
affect the value of its investments.  In particular, the portfolio's investments
in debt  securities and other fixed income  securities  generally will change in
value  inversely  with changes in interest  rates.  Longer term bonds  typically
demonstrate  the  greatest  changes in value in  response to changes in interest
rates. Also, an investment by the portfolio in fixed income securities generally
will expose the portfolio to credit risk, which is the risk that the issuer of a
security will default or not be able to meet its financial obligations. However,
the portfolio will invest only in U.S. Government  securities,  investment grade
corporate debt securities, and high quality money market instruments.

     An  investment in the portfolio is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

     The chart and table below provide some indication of the risks of investing
in the Tactical Asset Allocation  portfolio by showing annual returns since 1996
and average  returns since  inception  compared to two broad  measures of market
performance. The information does not reflect charges and fees associated with a
separate  account that invests in the  portfolio or any  insurance  contract for
which the portfolio is an investment option.  These charges and fees will reduce
returns. How the portfolio has performed in the past is not an indication of its
future performance.

[Bar chart inserted with returns printed above each year's column.]

Numbers to be inserted are:   for 1996: 15.7%

                              for 1997: 15.5%

                              for 1998:  7.2%

                              for 1999: (3.1%)

     During this  period,  the  portfolio's  highest  return for any quarter was
10.53%,  which occurred in the third quarter of 1997 and the lowest return for a
quarter was -8.60% in the third quarter of 1998.

     The following table demonstrates the average annual return of the portfolio
as of  December  31,  1999,  compared  to the S&P 500  and the  Lehman  Brothers
Intermediate  Government  Index  for one year and  since  the  inception  of the
portfolio on July 31, 1995.  The Lehman  Bothers  Intermediate  Government  Bond
Index  is  a   market-value-weighted   benchmark  of  the   performance  of  all
intermediate-maturity   U.S.   Government   bonds   (excluding   mortgage-backed
securities) and includes all U.S. Treasury


                                       -7-
<PAGE>


and U.S.  Agency  bond  issues  (excluding  mortgage-backed  securities)  with a
minimum of $100 million par value and that have between 1 and 10 years remaining
to  maturity.  Investors  cannot  directly  invest  in an index and  unlike  the
portfolio,  an  index is  unmanaged  and does  not  incur  transaction  or other
expenses.

                          Average Annual             Average Annual
                       Return for One Year        Return Since 7/31/95
                       -------------------        --------------------

Tactical Asset
  Allocation portfolio         (3.1%)                       9.3%

S&P 500                        21.0%                       26.5%

Lehman Brothers Intermediate
  Government Index              0.5%                        5.8%

The LifeStyle Portfolios

The Conservative Investor Portfolio

     The investment  objective of the  Conservative  Investor  portfolio is high
current income,  with  opportunities for capital  appreciation.  To do this, the
portfolio invests in a strategically allocated portfolio,  primarily of bond and
money market  instruments,  with the balance of the  portfolio in equities.  The
portfolio's  investment in bonds and money market securities is intended to help
provide gains through income accumulation and a measure of principal  protection
if the stock market is in decline.

The Moderate Investor Portfolio

     The investment  objective of the Moderate Investor  portfolio is a blend of
capital  appreciation  and  income.  To do  this,  the  portfolio  invests  in a
strategically   allocated   portfolio  of  equities,   bonds  and  money  market
instruments with a weighting that is normally slightly heavier in equities.  The
asset mix for this  portfolio is intended to provide  long-term  growth and some
regular  income,  while  helping  to limit  losses in the event of stock  market
declines.

The Aggressive Investor Portfolio

     The investment  objective of the Aggressive Investor portfolio is long-term
capital  appreciation.  To do this,  the  portfolio  invests in a  strategically
allocated portfolio  consisting  primarily of equities.  Current income is not a
major  consideration.  The asset mix for this  portfolio  is intended to provide
long-term growth, with a small amount of income to cushion the volatility of the
equity securities.

Investment Strategy of the LifeStyle Portfolios

     In  diversifying  investments  among three  major  asset  classes -- equity
securities, bonds and money market instruments, each LifeStyle portfolio has its
own ideal neutral mix that  represents a "benchmark" as to how that  portfolio's
investments  should be  allocated  among the major asset  classes  over the long
term. Each LifeStyle portfolio's neutral mix is set forth below:

Neutral Mixes

LifeStyle             Equity                           Money Market
Portfolio           Securities          Bonds          Instruments
- ---------           ----------          -----          ------------

Conservative           35%               50%               15%
Moderate               55%               35%               10%
Aggressive             80%               20%                0%

     Although  each  LifeStyle   portfolio  has  its  own  ideal  neutral  asset
allocation,  this mix may be adjusted based on cash flow, market conditions, and
the expected returns and risks for various asset classes. The mix of a portfolio
will also change depending on the relative performance and relative value of the
various asset classes.  However,  each portfolio has an operating  range that is
intended  to limit  fluctuations  in the  assets of each  class.  Therefore,  an
investment  in an asset  class will not  usually  be made if it would  cause the
investments in that asset class to fall below or rise above its operating range.
The  allocation  to an asset  class may be higher or lower than the  portfolio's
operating  range.  An example  of this is when  there is a large  amount of cash
either coming into or going out of the portfolio.  However, this is not normally
expected. The operating ranges are:

Operating Ranges

LifeStyle             Equity                           Money Market
Portfolio           Securities          Bonds          Instruments
- ---------           ----------          -----          -----------

Conservative         25-50%            40-60%             5-25%
Moderate             45-65%            25-45%             0-20%
Aggressive           70-90%            10-30%             0-15%

                                      -8-
<PAGE>

     An investment in each of the LifeStyle  portfolios entails investment risk,
including  possible loss of the principal  amount  invested.  Each  portfolio is
subject to market  risk,  which is the risk that the market value of a portfolio
security may move up and down, sometimes rapidly and unpredictably.  Investments
in equity  securities of foreign  issuers may pose risks in addition to, or to a
greater degree than, the risks generally  associated with an equity  investment.
These risks may be particularly acute for the Aggressive Investor portfolio,  as
it  typically  will focus its  investments  in common  stocks and other types of
equity  securities.  Each  LifeStyle  portfolio also is subject to interest rate
risk,  which is the risk that changes in interest rates will affect the value of
its investments.  In particular,  investments in debt securities and other fixed
income  securities  generally  will change in value  inversely  with  changes in
interest rates. Longer term bonds typically  demonstrate the greatest changes in
value in  response  to changes in  interest  rates.  Also,  an  investment  by a
portfolio  in fixed income  securities  generally  will expose the  portfolio to
credit risk, which is the risk that the issuer of a security will default or not
be able to meet its  financial  obligations.  Investments  in bonds that are not
investment  grade are  subject  to credit  risk to a  greater  degree  than more
highly-rated,  investment  grade  securities.  Thus, the  Conservative  Investor
portfolio  may be  particularly  subject  to  interest  and credit  risk,  as it
concentrates  its investments in fixed income  securities.  Of course,  like the
other LifeStyle  portfolios,  the Moderate Investor portfolio also is subject to
these risks.

     Each of the  LifeStyle  portfolios  is designed to fit a different  general
risk profile.  Investors  can choose the  portfolio or a mix of the  portfolios,
based on their individual circumstances,  including the expected timing of major
investment goals, such as sending a child to college, retirement or purchasing a
home,  as well as their own  tolerance  for risk.  As  investment  goals change,
investors should  re-evaluate  their portfolio  choices to determine if all or a
portion  of  their  investment  should  be  moved  to a  portfolio  with  a more
appropriate objective and asset mix.

     Based on the  historical  performance  of the  three  major  asset  classes
(equity  securities,  bonds,  and  money  market  instruments),  the  Aggressive
Investor  portfolio,  which  has the most  equities  in its  portfolio,  has the
highest potential for the greatest long-term total return, but also has the most
potential  for the highest  volatility  and losses.  The  Conservative  Investor
portfolio, which has the most fixed income securities in its portfolio, has less
potential for  long-term  total  return,  but also has the lowest  potential for
extended  volatility or significant  losses.  The Moderate Investor portfolio is
designed to be a balance  between the  potential  returns and  volatility of the
Aggressive Investor and the Conservative  Investor portfolios.  Of course, there
is  no  assurance  that  any  of  the  portfolios  will  meet  their  investment
objectives.

     The  charts  and  tables  below  provide  some  indication  of the risks of
investing in the  LifeStyle  portfolios  by showing  annual  returns since their
inception on March 31, 1998 and average returns since inception  compared to two
broad measures of market  performance.  The information does not reflect charges
and fees associated with a separate account that invests in the portfolio or any
insurance  contract  for which the  portfolio  is an  investment  option.  These
charges and fees will reduce  returns.  How the  portfolio  has performed in the
past is not an indication of its future performance.

[Bar charts inserted with returns printed above each year's column.]

For the Conservative Investor Portfolio:

Numbers to be inserted are:   for 1999:  5.8%

For the Moderate Investor Portfolio:

Numbers to be inserted are:   for 1999:  8.2%

For the Aggressive Investor Portfolio:

Numbers to be inserted are:   for 1999:  11.7%


     During this period, the Conservative  Investor  portfolio's  highest return
for any quarter was 7.98%,  which occurred in the fourth quarter of 1998 and the
lowest  return for a quarter  was -3.38% in the third  quarter of 1998;  for the
Moderate  Investor  portfolio,  the  highest  return for any quarter was 11.03%,
which occurred in the fourth quarter of 1998 and the lowest return for a quarter
was  -6.62%  in the  third  quarter  of 1998;  and for the  Aggressive  Investor
portfolio,  the highest return for any quarter was 14.89%, which occurred in the
fourth  quarter  of 1998 and the lowest  return for a quarter  was -9.96% in the
third quarter of 1998.

     The  following  tables  demonstrate  the  average  annual  returns  of  the
portfolios as of December 31, 1999,  compared to the Russell 3000 and the Lehman
Brothers  Aggregate Index for one year and since the inception of the portfolios
on March 31,  1998.  The Russell  3000 Index is a broad based index  composed of
3000  large  U.S.  companies,  as

                                      -9-
<PAGE>

determined by market  capitalization.  This  portfolio of securities  represents
approximately  98% of the investable U.S. equity market.  The Russell 3000 Index
is comprised of stocks  within the Russell  1000 and Russell 2000  Indices.  The
index was  developed  with a base  value as of  December  31,  1986.  The Lehman
Brothers Aggregate Bond Index is a broad market-value-weighted benchmark of U.S.
investment-grade  bond  performance.  The Lehman  Aggregate  Index  includes all
investment-grade  U.S. bond issues (government,  corporate,  mortgage-backed and
asset-backed)  with a minimum of $100  million  par value and that have at least
one year remaining to maturity. Investors cannot directly invest in an index and
unlike the  portfolio,  an index is unmanaged and does not incur  transaction or
other expenses.

                                  Average Annual             Average Annual
                               Return for One Year        Return Since 3/31/98
                               -------------------        --------------------

Conservative Investor portfolio        5.8%                         6.7%

Moderate Investor portfolio            8.2%                         7.6%

Aggressive Investor portfolio         11.7%                         9.5%

Russell 3000                          20.9%                        17.6%

Lehman Brothers Aggregate Index       (0.8%)                        3.5%


                          FINANCIAL HIGHLIGHTS

       Per Share Data and Ratios through the Year Ended December 31, 1999

     The following  information  is intended to help  investors  understand  the
portfolios'  financial  performance for the past five years (or since inception,
if shown).  Per share amounts presented are based on a share outstanding for the
periods shown.  The total returns in the tables represent an investor's gain (or
loss) on an investment in a portfolio  (assuming  reinvestment  of all dividends
and   distributions).   The   information   in  the  tables has been audited  by
PricewaterhouseCoopers  LLP, the fund's independent  accountants,  whose report,
along with the fund's  financial  statements,  are included in the fund's Annual
Report as of December 31, 1999.  The Annual  Report is available  free of charge
upon request.

                                      -10-
<PAGE>

<TABLE>
<CAPTION>
                                                        Equity Portfolio
                                                        ----------------

                               1999         1998         1997         1996         1995
                            --------      -------       -------      -------      -------
<S>                         <C>           <C>           <C>          <C>          <C>
Net Asset Value             $  20.27      $ 21.03       $ 16.65      $ 14.21      $ 12.27
  Beginning of Period       --------      -------       -------      -------      -------


Income from Investment
  Operations
Net Investment Income           0.32         0.35          0.29         0.28         0.28
Net Realized and Unrealized
 gains(losses) on securities   (0.55)        1.23          4.64         2.44         2.12
                            --------      -------       -------      -------      -------
Total from Investment
  Operations                   (0.23)        1.58          4.93         2.72         2.40
                            --------      -------       -------      -------      -------

Less Distributions
Dividends (from net
  investment income)            0.32         0.35          0.30         0.28         0.27
Distributions (from capital
  gains)                        3.66         1.99          0.25         0.00         0.19
                            --------      -------       -------      -------      -------
Total Distributions             3.98         2.34          0.55         0.28         0.46
                            --------      -------       -------      -------      -------

Net Asset Value,
  End of Period             $  16.06      $ 20.27       $ 21.03      $ 16.65      $ 14.21
                            ========      =======       =======      =======      =======


Total Return                   (0.90%)       7.10%        29.59%       19.17%       19.45%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)     $ 88,619      $95,485       $80,276      $50,652      $35,299
Ratio of expenses to
  average net assets            0.63%        0.62%         0.66%        0.70%        0.70%
Ratio of net investment
  income to average
  net assets                    1.54%        1.61%         1.52%        1.81%        2.08%

Portfolio Turnover Rate           32%          23%            9%          11%          10%


<CAPTION>

                                                          Bond Portfolio
                                                          --------------

                              1999          1998         1997         1996         1995
                             -------      -------       -------      -------      -------
<S>                          <C>          <C>           <C>          <C>          <C>
Net Asset Value              $ 10.83      $ 10.68       $ 10.65      $ 11.06      $  9.99
  Beginning of Period        -------      -------       -------      -------      -------


Income from Investment
  Operations
Net Investment Income           0.61         0.60          0.60         0.62         0.67
Net Realized and Unrealized
 gains(losses) on securities   (0.74)        0.36          0.25        (0.39)        1.07
                             -------      -------       -------      -------      -------
Total from Investment
  Operations                   (0.13)        0.96          0.85         0.23         1.74
                             -------      -------       -------      -------      -------

Less Distributions
Dividends (from net
  investment income)            0.61         0.60          0.59         0.63         0.66
Distributions (from capital
  gains)                         ---         0.21          0.23         0.01         0.01
                             -------      -------       -------      -------      -------
Total Distributions             0.61         0.81          0.82         0.64         0.67
                             -------      -------       -------      -------      -------

Net Asset Value,
  End of Period              $ 10.09      $ 10.83       $ 10.68      $ 10.65      $ 11.06
                             =======      =======       =======      =======      =======


Total Return                   (1.10%)       8.80%         7.85%        2.23%       17.79%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)      $49,828      $50,089       $34,718      $28,188      $25,429
Ratio of expenses to
  average net assets            0.62%        0.62%         0.67%        0.71%        0.70%
Ratio of net investment
  income to average
  net assets                    5.68%        5.48%         5.53%        5.85%        6.28%
Portfolio Turnover Rate           93%         132%          107%          62%          55%
</TABLE>


                                       -11-
<PAGE>


                                                     Money Market Portfolio
                                                     ----------------------
<TABLE>
<CAPTION>


                              1999          1998         1997         1996         1995
                             -------      -------       -------      -------      -------
<S>                         <C>           <C>           <C>          <C>          <C>
Net Asset Value             $   1.00      $  1.00       $  1.00      $  1.00      $  1.00
  Beginning of Period        -------      -------       -------      -------      -------


Income from Investment
  Operations
Net Investment Income           0.05         0.05          0.05         0.05         0.05
Net Realized and Unrealized
 gains(losses) on securities      --           --            --           --           --
                             -------      -------       -------      -------      -------
Total from Investment
 Operations                     0.05         0.05          0.05         0.05         0.05
                             -------      -------       -------      -------      -------
Less Distributions
Dividends (from net
  investment income)            0.05         0.05          0.05         0.05         0.05
Distributions (from capital
  gains)                          --           --            --           --           --
                             -------      -------       -------      -------      -------
Total Distributions             0.05         0.05          0.05         0.05         0.05
                             -------      -------       -------      -------      -------

Net Asset Value,
  End of Period             $   1.00      $  1.00       $  1.00      $  1.00      $  1.00
                             =======      =======       =======      =======      =======


Total Return                    4.60%        4.86%         4.85%        4.63%        5.09%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)     $126,532      $82,055       $55,757      $40,227      $24,290
Ratio of expenses to
  average net assets            0.55%        0.61%         0.66%        0.70%        0.73%
Ratio of net investment
  income to average
  net assets                    4.60%        4.82%         4.83%        4.64%        5.13%
Portfolio Turnover Rate           --           --            --           --           --

</TABLE>



                                                    Managed Portfolio
                                                    -----------------
<TABLE>
<CAPTION>

                              1999          1998          1997         1996         1995
                             -------      -------       -------      -------      -------
<S>                          <C>          <C>           <C>          <C>          <C>
Net Asset Value              $ 15.13      $ 15.33       $ 13.40      $ 12.42      $ 11.00
  Beginning of Period        -------      -------       -------      -------      -------


Income from Investment
  Operations
Net Investment Income           0.49         0.51          0.48         0.44         0.46
Net Realized and Unrealized
 gains(losses) on securities   (0.71)        0.79          2.34         1.01         1.62
                             -------      -------       -------      -------      -------
Total from Investment
 Operations                    (0.22)        1.30          2.82         1.45         2.08
                             -------      -------       -------      -------      -------
Less Distributions
Dividends (from net
  investment income)            0.50         0.51          0.48         0.44         0.46
Distributions (from capital
  gains)                        1.60         0.99          0.41         0.03         0.20
                             -------      -------       -------      -------      -------
Total Distributions             2.10         1.60          0.89         0.47         0.66
                             -------      -------       -------      -------      -------

Net Asset Value,
  End of Period              $ 12.81      $ 15.13       $ 15.33      $ 13.40      $ 12.42
                             =======      =======       =======      =======      =======


Total Return                   (0.80%)       8.30%        20.95%       11.79%       19.13%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)      $68,816      $73,112       $60,477      $43,092      $30,844
Ratio of expenses to
  average net assets            0.62%        0.62%         0.67%        0.70%        0.70%
Ratio of net investment
  income to average
  net assets                    3.25%        3.27%         3.27%        3.43%        3.86%
Portfolio Turnover Rate           49%          63%           27%          34%          35%

</TABLE>

                                       -12-
<PAGE>



                                         Tactical Asset Allocation Portfolio
                                         -----------------------------------

<TABLE>
<CAPTION>

                                                                                  July 31, 1995
                                                                                  (commencement)
                              1999         1998           1997         1996       to Dec.31, 1995
                             -------      -------       -------      -------      ---------------

<S>                          <C>          <C>           <C>          <C>             <C>
Net Asset Value              $ 12.93      $ 12.44       $ 11.65      $ 10.44         $ 10.00
  Beginning of Period        -------      -------       -------      -------         -------


Income from Investment
  Operations
Net Investment Income           0.34         0.34          0.28         0.28            0.16
Net Realized and Unrealized
 gains(losses) on securities   (0.81)        0.58          1.75         1.38            0.49
                             -------      -------       -------      -------         -------
Total from Investment
 Operations                    (0.45)        0.92          2.03         1.66            0.65
                             -------      -------       -------      -------         -------
Less Distributions
Dividends (from net
  investment income)            0.36         0.34          0.28         0.28            0.16
Distributions (from capital
  gains)                          --         0.09          0.96         0.17            0.05
                             -------      -------       -------      -------         -------
Total Distributions             0.36         0.43          1.24         0.45            0.21
                             -------      -------       -------      -------         -------

Net Asset Value,
  End of Period              $ 12.12      $ 12.93       $ 12.44      $ 11.65         $ 10.44
                             =======      =======       =======      =======         =======


Total Return **                (3.10%)       7.20%        15.48%       15.67%           6.49%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)      $ 5,155      $ 6,468       $ 4,452      $ 2,145        $  1,139
Ratio of expenses to
  average net assets            0.99%        1.00%         1.00%        1.00%           1.00%
Ratio of net investment
  income to average
  net assets                    2.78%        2.64%         2.24%        2.62%           3.70%
Portfolio Turnover Rate           77%          41%           52%          25%              4%

</TABLE>


** Total returns for periods less than one year are not annualized. Total return
assumes reinvestment of dividends and capital gain distributions, if any.


                                      -13-
<PAGE>

<TABLE>


                                Conservative Investor                Moderate  Investor
                                   Portfolio                            Portfolio
                             ---------------------------       ---------------------------


                                         For the period                    For the period
                                           3/31/98 to                        3/31/98 to
                                1999            12/31/98          1999        12/31/98
                             ---------    --------------       ---------    --------------


<S>                          <C>              <C>              <C>              <C>
Net Asset Value,             $   10.30        $    10.00       $   10.32        $    10.00
  Beginning of Period        ---------    --------------       ---------    --------------


Income from Investment
  Operations
Net Investment Income             0.34              0.22            0.25              0.16
Net Realized and Unrealized
 gains (losses) on securities     0.27              0.37            0.65              0.36
                             ---------    --------------       ---------    --------------
Total from Investment
  Operations                      0.61              0.59            0.88              0.52
                             ---------    --------------       ---------    --------------

Less Distributions
 Dividends (from net
  investment income)              0.34              0.22            0.25              0.16
 Distributions (from capital
  gains)                          0.42              0.07            0.46              0.04
                             ---------    --------------       ---------    --------------
Total Distributions               0.76              0.29            0.71              0.20
                             ---------    --------------       ---------    --------------

Net Asset Value,
  End of Period              $   10.15        $    10.30       $   10.49        $    10.32
                             =========    ==============       =========    ==============


Total Return **                   5.80%             5.84%           8.20%             5.09%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)      $   6,507        $    6,281       $   7,812        $    6,803
Ratio of expenses to
  average net assets              0.95%             0.95%           1.00%             0.94%
Ratio of net investment
  income to average
  net assets                      3.23%             2.21%           2.33%             1.62%
Portfolio Turnover Rate             72%               82%             74%               60%


** Total returns for periods less than one year are not annualized.
</TABLE>


                                       -14-
<PAGE>



                              Aggressive Investor
                                   Portfolio
                             --------------------------


                                         For the period
                                           3/31/98 to
                                1999        12/31/98
                             ---------    -------------


Net Asset Value,             $   10.37     $      10.00
  Beginning of Period        ---------    -------------


Income from Investment
  Operations
Net Investment Income             0.16             0.09
Net Realized and Unrealized
 gains (losses) on securities     1.09             0.41
                             ---------    -------------
Total from Investment
  Operations                      1.25             0.50
                             ---------    -------------

Less Distributions
 Dividends (from net
  investment income)              0.16             0.09
 Distributions (from capital
  gains)                          0.59             0.04
                             ---------    -------------
Total Distributions               0.75             0.13
                             ---------    -------------

Net Asset Value,
  End of Period              $   10.87     $      10.37
                             =========    =============


Total Return **                  11.70%            4.96%

Ratios/Supplemental Data

Net Assets, end of
  period (in thousands)      $   7,902     $      6,680
Ratio of expenses to
  average net assets              0.96%            0.95%
Ratio of net investment
  income to average
  net assets                      1.50%            0.94%
Portfolio Turnover Rate             76%              50%


** Total returns for periods less than one year are not annualized.



                                       -15-
<PAGE>



                       General Information about the Fund

Management of the Fund

     The business and affairs of the fund are managed under the direction of its
Board of  Directors  according  to laws of the State of Maryland  and the fund's
Articles of Incorporation  and Bylaws.  Information  about the directors and the
fund's  executive   officers  may  be  found  in  the  statement  of  additional
information (SAI) under the heading "Management of the Fund."

 The Investment Adviser--American United Life Insurance Company(R)

     AUL is a legal reserve  mutual life  insurance  company  existing under the
laws of the State of  Indiana.  It was  originally  incorporated  as a fraternal
society on  November  7, 1877,  under the laws of the  federal  government,  and
reincorporated  under the laws of the State of Indiana in 1933.  It is qualified
to do business in 49 states and the District of Columbia.  As a mutual  company,
it is owned by and operated exclusively for the benefit of its policyowners. The
adviser  has its  principal  business  office  located at One  American  Square,
Indianapolis, IN 46282.

     At a meeting of the AUL Board of Directors  held on February 17, 2000,  the
Board  approved the concept of changing the corporate  structure of AUL.  During
the  second  quarter  of 2000,  the Board of  Directors  of AUL is  expected  to
formally approve a plan of conversion ("Plan") under which AUL will convert from
a mutual life  insurance  company to a stock life insurance  company  ultimately
controlled  by  a  mutual  holding  company  ("Mutual  Holding  Company").  This
transaction is intended to result in a corporate structure that provides,  among
other things, better access to external sources of capital. Under the Plan, upon
the conversion, the insurance company would issue voting stock to a newly-formed
stock holding  company  ("Stock Holding  Company").  It is anticipated  that the
Stock Holding Company could,  subsequent to the conversion,  offer shares of its
stock publicly or privately;  however,  the Mutual  Holding  Company must always
hold at least 51% of the voting stock of the Stock  Holding  Company.  The Stock
Holding  Company would always own 100% of the voting stock of AUL. No plans have
been  formulated to issue any shares of capital stock or debt  securities of the
Stock Holding Company at this time.

     Since  AUL   currently  is  a  mutual  life   insurance   company,   owners
("policyholders")  of  AUL's  annuity  contracts  and  life  insurance  policies
("policies") have certain membership interests in AUL consisting  principally of
the right to vote on the election of the Board of Directors and on other matters
and certain  rights upon  liquidation  or  dissolution  of AUL.  Under the Plan,
policyholders  continue to be policyholders in the same insurance  company,  but
would no longer have a membership  interest in the  insurance  company;  rather,
policyholders  would have  membership  interests in the Mutual Holding  Company.
These interests in the Mutual Holding Company would be substantially the same as
the membership interests that policyholders have in AUL prior to the conversion,
consisting  principally  of the  right to vote on the  election  of the Board of
Directors  and  on  other  matters  and  certain  rights  upon   liquidation  or
dissolution of the Mutual Holding  Company.  After the  conversion,  persons who
acquire  policies from AUL would  automatically be members in the Mutual Holding
Company.  The  conversion  will not, in any way,  increase  premium  payments or
reduce  policy  benefits,  values,  guarantees  or other policy  obligations  to
policyholders.  The Plan is subject to the approval by AUL policyholders and the
consent of the  Insurance  Commissioner  of Indiana,  among other  approvals and
conditions.  If the  necessary  approvals are obtained and  conditions  met, the
conversion could occur in 2000. Under the Plan, the insurance  company name will
not change.

     Subject to  overall  supervision  of the Board of  Directors,  the  adviser
exercises  overall  responsibility  for the investment and  reinvestment  of the
fund's  assets.  In so doing,  the  adviser  manages the  day-to-day  investment
operations and the  composition  of the  investment  portfolio of each portfolio
(except the Tactical Asset Allocation  portfolio and a portion of each LifeStyle
portfolio). These duties include the purchase, retention, and disposition of the
investments,  securities, and cash in accordance with the portfolios' investment
objectives and policies as stated in the fund's current prospectus.

     AUL has engaged  sub-advisers  to manage the assets of the  Tactical  Asset
Allocation  portfolio and a portion of the assets of the LifeStyle portfolios as
described below.

     Under the Investment Advisory agreement, the adviser is compensated for its
services,  by a monthly fee based on an annual  percentage  of the average daily
net assets of each  portfolio.  The fees paid by the fund to AUL (by  portfolio)
are:

Equity portfolio:       .50%      Tactical Asset Allocation portfolio:  .80%
Bond portfolio:         .50%      Conservative Investor portfolio:      .70%
Managed portfolio:      .50%      Moderate Investor portfolio:          .70%
Money Market portfolio: .40%*     Aggressive Investor portfolio:        .70%

*The fee for the Money Market  portfolio was reduced on May 1, 1999 from .50% to
the present level of .40%.

     From the fees paid to AUL by the fund, AUL pays all of the sub-advisers for
their services.


                                       -16-
<PAGE>

The Portfolio Managers and the Sub-Advisers

The Equity Portfolio

     The day-to-day  management of the Equity portfolio is the responsibility of
Kathryn  Hudspeth,  CFA, Vice  President,  Equities.  Ms.  Hudspeth has been the
portfolio  manager of the Equity portfolio since its inception and has been with
AUL since 1989.  Previously,  Ms.  Hudspeth  has held  positions  with AUL which
include  Assistant Vice  President,  Equities;  Equity  Portfolio  Manager,  and
Director of Equity  Investments.  Before coming to AUL, she was employed by Bank
One,  Indianapolis,  as a Vice President and Trust Officer in the Personal Trust
Division.

The Bond Portfolio

     The day-to-day  management of the Bond portfolio is the  responsibility  of
Kent Adams, CFA, Vice President, Fixed Income Securities. Mr. Adams has been the
portfolio  manager of the Bond  portfolio  since its inception and has been with
AUL since 1977. Previously,  Mr. Adams has held positions with AUL which include
Assistant Vice President,  Investment Officer, Securities, and Senior Securities
Analyst.

The Managed Portfolio

     The   day-to-day   management  of  the  Managed   portfolio  is  the  joint
responsibility  of Kathryn  Hudspeth,  Vice President,  Equities and Kent Adams,
Vice President, Fixed Income Securities, AUL.

The Sub-Advisers

     Dean  Investment  Associates  is  the  sub-adviser  to the  Tactical  Asset
Allocation  portfolio.  Credit Suisse Asset  Management is the  sub-adviser to a
portion of the assets of each LifeStyle portfolio. Subject to the supervision of
AUL and the fund's Board of Directors,  the sub-advisers are responsible for the
actual management of their respective  portfolio or portion of a portfolio,  for
making decisions to buy, sell or hold any particular  security,  and for placing
orders to buy or sell  securities  on behalf of their  respective  portfolio  or
portions of a portfolio managed by them.

The Tactical Asset Allocation Portfolio

     Dean Investment Associates, a Division of C.H. Dean and Associates, Inc. is
located  at 2480 Kettering Tower,  Dayton,  Ohio 45423-2480  and is a registered
investment  adviser with the SEC. Dean Investment  Associates is wholly-owned by
C.H. Dean and Associates, Inc. Founded in 1972,

Dean Investment  Associates manages portfolios for individuals and institutional
clients  worldwide.   Dean  Investment  Associates  provides  a  full  range  of
investment  advisory  services and currently has over $3 billion of assets under
management.

     The  portfolio is managed by a team of 10 senior  investment  professionals
(the Central Investment  Committee).  John C. Riazzi,  CFA, serves as the Senior
Portfolio  Manager of the  portfolio.  Mr.  Riazzi joined Dean in March of 1989.
From 1989  through  January,  1992,  Mr.  Riazzi was  manager  of Dean's  Client
Services and Trading Operations.  From January,  1992 to August,  1993, his role
expanded to include Assistant  Manager of Consulting  Services and Institutional
Portfolio Manager.  In August,  1993, Mr. Riazzi was promoted to Vice President,
Director  of  Consulting  Services,  and was made a  member  of  Dean's  Central
Investment Committee. In October, 1999, he was promoted to Senior Vice President
responsible  for Dean's  Portfolio  Management  Group.  He received a B.A.  with
honors in  Economics  from Kenyon  College in 1985,  was  awarded the  Chartered
Financial  Analyst  designation in 1993, and has been a member of the Cincinnati
Society of Financial  Analysts since January,  1994.  Prior to joining Dean, Mr.
Riazzi spent four years in the commercial banking and brokerage industries.


The LifeStyle Portfolios

     Credit Suisse is located at One Citicorp Center,  153 East 53rd Street, New
York,  New York 10022,  and is a  registered  investment  adviser  with the SEC.
Credit  Suisse is  responsible  for  managing  the  growth-oriented  equity  and
international  equity  portions  of the  LifeStyle  portfolios.  AUL manages the
portfolios'  investments  in  all  other  asset  classes.  Credit  Suisse  is  a
diversified   investment  adviser  managing  global  equity,   fixed-income  and
derivative  securities accounts for corporate pension and profit-sharing  plans,
state pension funds, union funds, endowments and other charitable  institutions.
As of December 31, 1999,  Credit Suisse  managed  approximately  $202 billion in
assets.  Credit  Suisse  currently  acts  as  investment  adviser  for 57  other
investment  companies  registered under the 1940 Act, and acts as sub-adviser to
certain portfolios of 17 other registered investment companies.

     The  portfolio  manager for the  growth-oriented  equity  securities in the
LifeStyle  portfolios is Eric N. Remole. Mr. Remole joined Credit Suisse in 1997
as a  Managing  Director  and  Portfolio  Manager  and is  responsible  for  the
management of structured equity products. Mr. Remole began his career in 1978 as
a systems analyst at Jaycor, Inc. He joined Bankers Trust in 1980 as an internal
management  consultant  in  securities  operations.  In 1984 he joined  Citicorp
Investment Management,  Inc., Chancellor Capital Management,  Inc.'s predecessor
and was appointed Managing Director in April of 1993. Mr. Remole received a B.A.
from Dartmouth College in 1978 and an M.S. in Operations  Research from Stanford
University in 1981.

     The  portfolio  manager  for the  international  equity  securities  in the
LifeStyle  portfolios is Steven  Bleiberg.  Mr. Bleiberg joined Credit Suisse in
1991 as a Vice President on the  management and research team for  international
equities,  specializing in the  application of quantitative  techniques for risk
control and security  selection.  Mr. Bleiberg  manages the Japanese  portion of
Credit  Suisse's  international  portfolios.  He also  contributes  to the asset
allocation process for international and global  portfolios.  Mr.

                                       -17-
<PAGE>

Bleiberg spent two years as a portfolio  manager at Matrix  Capital  Management,
where he was  responsible  for all of the firm's active equity assets.  Prior to
Matrix, he spent 5 years at Credit Suisse in the equity research department.  He
received a B.A.  from Harvard  University  and an M.S.  from the Sloan School of
Management at MIT.

   Further Portfolio Information; Investments; Investment Strategies and Risks

Investments and Investment Strategies

     Many  of  the  investment  strategies  and  techniques  described  in  this
prospectus are  discretionary,  and portfolio managers can decide whether or not
to use them at any particular time. Other techniques, strategies and investments
may be made that are not part of a portfolio's  principal investment strategy or
strategies.  The investment objectives of a portfolio may not be changed without
the approval of the shareholders. However, a portfolio's investment policies may
be  changed  by the  fund's  Board  of  Directors.  All of  the  portfolios  are
diversified and will not concentrate their securities  purchases in a particular
industry or group of industries.

The Equity Portfolio

     The Equity Portfolio invests primarily in equity securities selected on the
basis of fundamental  investment  research for their long-term growth prospects.
Using a bottom-up approach, the Portfolio concentrates on companies which appear
undervalued compared to the market and their own historic valuation levels. Both
quantitative  and  qualitative  tools are utilized  focusing on a "value"  based
equity strategy.

     Important  valuation  criteria include price to sales,  price to cash flow,
price to adjusted earnings,  profitability,  and growth potential. The Portfolio
also focuses on high quality  companies  that have been able to produce  profits
for  shareholders  over the long term.  Other important  considerations  include
management ability, insider ownership and industry position.

     In addition  to  extensive  fundamental  analysis,  the  adviser  also uses
technical analysis. Its purpose is not to make investment decisions,  but rather
to assist in the timing of trading decisions.

     When the adviser believes that financial,  economic,  or market  conditions
require a defensive  strategy,  the portfolio may buy more  nonconvertible  debt
securities, U.S. Government securities,  commercial paper and other money market
instruments,  repurchase agreements and reverse repurchase  agreements.  To meet
its secondary  objective of current income,  the portfolio may also buy and sell
options on securities  and securities  indices,  although it will do so only for
purposes of trying to generate  current income or to hedge portfolio  risks, and
not for speculative purposes.


The Bond Portfolio

     The  bond  portfolio  may  also  invest  in money  market  instruments  and
repurchase and reverse repurchase  agreements.  The bond portfolio may invest in
dollar-denominated  foreign securities  including  corporate bonds or other debt
securities that satisfy the portfolio's standards for quality.

The Money Market Portfolio

     The adviser  determines  whether a money market instrument has the required
minimal credit risk under  procedures  adopted by the fund's Board of Directors.
An instrument is of the highest quality when:

     *it is a U.S. Government security;
     *it (or a similar short-term obligation from the same issuer) is rated
          -in the highest rating category by two nationally recognized
               statistical rating organizations, or
          -if rated by only one such organization, if the Board ratifies or
               approves the purchase; or
     *it is not rated, but the adviser has determined the security to be of
         comparable quality and the purchase is approved or ratified by the
         Board.

If the rating of an instrument  bought by the portfolio is lowered,  the adviser
will follow  procedures  approved by the Board of  Directors to determine if the
security  still  presents  minimal credit risk. If it does not, it will be sold.
Examples  of money  market  instruments  that  may be  bought  by the  portfolio
include: U.S. Government securities,  repurchase agreements that mature in seven
days  or less  with  Federal  Reserve  System  banks  or  with  dealers  in U.S.
Government securities,  reverse repurchase  agreements,  certificates of deposit
and other  obligations of banks or  depositories,  debt  securities,  commercial
paper, and variable amount floating rate notes and master notes.


The Managed Portfolio

     In pursuing  its  investment  objective,  the  portfolio  may engage in the
writing of covered  call and secured put options on equity and debt  securities,
and may purchase call options on debt  securities.  The portfolio may enter into
repurchase agreements and reverse repurchase agreements.

The Tactical Asset Allocation Portfolio

     The  principles  by which  the  portfolio's  sub-adviser  makes  its  stock
selection are based on "value  investing"  which attempts to preserve  principal
while seeking above average returns. The sub-adviser seeks to identify companies
whose  stocks are  reasonably  priced  and that the  sub-adviser  believes  will
perform better than the current expectations over the next several years.

     The selection process starts with a "bottoms up" screening of the market to
identify stocks that are statistically

                                       -18-
<PAGE>


undervalued  based on  financial  characteristics.  This  process,  however,  is
balanced  against a policy to preserve  capital.  The sub-adviser  believes that
investors'  expectations  and the  company's  operating  performance  ultimately
determine which statistically  "undervalued"  stocks make good investments.  The
sub-adviser's  research  staff  tries to evaluate  stocks that appear  likely to
provide investors with positive surprises, while avoiding negative surprises, by
taking into account projected future cash flows,  earnings,  and dividends.  The
sub-adviser's goal is to choose stocks which the market has undervalued based on
an "over  reaction"  to perceived  risks.  A stock's  fundamentals  dominate the
selection process. However, technical analysis is used to improve the timeliness
of the sub-adviser's trading decisions.

     The portfolio may invest up to 25% of its total assets in equity securities
of foreign issuers.  It is anticipated that most of the portfolio's  investments
in securities of foreign issuers will be American  Depositary  Receipts  (ADRs).
See  "Foreign  Securities"  in the SAI  for a  discussion  of some of the  risks
involved in foreign investment.

     The  portion of the  portfolio  not  invested in equity  securities,  which
varies,  will  be  invested  in  debt  obligations,  including  U.S.  Government
securities,   investment-grade   corporate  bonds  and  debentures,   high-grade
commercial  paper,  convertible  securities,  and  certificates of deposit.  The
portfolio may increase its investment in such  securities  when the  sub-adviser
determines  that equity  investment  opportunities  with  desirable  risk/reward
characteristics are unavailable, or for temporary defensive purposes.

The LifeStyle Portfolios

     The LifeStyle portfolios are "strategic" rather than "tactical"  allocation
funds, which means that AUL and the sub-adviser do not try to time the market to
identify the exact time when a major reallocation should be made.  Instead,  AUL
and the sub-adviser utilize a longer-term "risk/return" approach in pursuing the
portfolios' investment objectives.

     Within each asset class, each LifeStyle  portfolio's  holdings are invested
across a diversified  group of  industries  and issuers based upon AUL's and the
sub-adviser's investment criteria. AUL and the sub-adviser regularly review each
LifeStyle  portfolio's  investments  and allocations and may make changes in the
particular  securities or in the asset mix (within the defined operating ranges)
to favor investments that it believes will help achieve a portfolio's objective.

     The  LifeStyle  portfolios  invest  directly in  equities,  bonds and money
market  instruments.  In the  future,  each  portfolio  may seek its  investment
objective by investing primarily in other mutual funds and closed-end investment
companies.

                                 General Risks

     Each  portfolio,  of  course,  is  subject  to the  general  risk  that its
investment  objective or  objectives  will not be achieved,  or that a portfolio
manager will make investment  decisions or use strategies that do not accomplish
their intended goals. In addition,  the  portfolios'  investment  strategies may
subject them to a number of risks, including the following:

Market Risk

     Although equities  historically have outperformed  other asset classes over
the long term, their prices tend to fluctuate more dramatically over the shorter
term. These movements may result from factors affecting individual companies, or
from broader  influences  like  changes in interest  rates,  market  conditions,
investor  confidence  or  announcements  of  economic,  political  or  financial
information. While potentially offering greater opportunities for capital growth
than larger, more established  companies,  the equities of smaller companies may
be particularly  volatile,  especially  during periods of economic  uncertainty.
These companies may face less certain growth  prospects,  or depend heavily on a
limited  line of products  and  services or the efforts of a small number of key
management personnel.  Portfolios that may invest primarily in equities, such as
the Equity, Managed, Tactical Asset Allocation, Aggressive Investor and Moderate
Investor  portfolios  may be  particularly  subject to the potential  risks (and
rewards) and volatility of investing in equities.

     The Tactical Asset  Allocation  portfolio and each LifeStyle  portfolio may
invest  in  equities  issued by  foreign  companies.  The  equities  of  foreign
companies may pose risks in addition to, or to a greater  degree than, the risks
described  above.  Foreign  companies may be subject to disclosure,  accounting,
auditing and financial reporting standards and practices that are different from
those to which U.S. issuers are subject.  Accordingly,  these portfolios may not
have access to adequate or reliable company information. In addition, political,
economic  and social  developments  in foreign  countries  and  fluctuations  in
currency  exchange rates may affect the  operations of foreign  companies or the
value of their  securities.  Risks posed by investing in the equities of foreign
issuers  may be  particularly  acute with  respect to issuers  located in lesser
developed,  emerging market  countries.  Each LifeStyle  portfolio may invest in
this type of issuer.

     The adviser and/or  sub-adviser of the Tactical Asset  Allocation  tries to
manage  market risk by primarily  investing in relatively  large  capitalization
"value"  equities.  Equities of larger  companies  tend to be less volatile than
those of smaller  companies,  and value  equities in theory limit  downside risk
because they are underpriced.  Of course, the adviser's or sub-adviser's success
in moderating market risk cannot be assured.  In addition,  these portfolios may
produce  more modest  gains than equity  funds with more  aggressive  investment
profiles.

Interest Rate Risk

     Each  portfolio  may  invest in debt  securities  and other  types of fixed
income  securities.  Generally,  the  value  of  these  securities  will  change
inversely with changes in interest rates. In addition, changes in interest rates
may affect the operations of the issuers of stocks or other equity securities

                                       -19-
<PAGE>

in which the portfolios invest.  Rising interest rates, which may be expected to
lower the value of fixed income instruments and negatively impact the operations
of many issuers,  generally exist during periods of inflation or strong economic
growth.

Credit Risk

     The portfolios'  investments,  and particularly  investments in convertible
securities  and debt  securities,  may be  affected by the  creditworthiness  of
issuers in which the portfolios invest.  Changes in the financial  strength,  or
perceived  financial  strength,  of a  company  may  affect  the  value  of  its
securities  and,  therefore,  impact  the  value of a  portfolio's  shares if it
invests in the company's securities.

     The portfolios,  except for the Money Market portfolio, may invest in lower
rated debt obligations,  and the Bond and Managed portfolios may invest in fixed
income securities that are not "investment  grade",  which are commonly referred
to as "junk bonds". To a greater extent than more highly rated securities, lower
rated  securities  tend to reflect  short-term  corporate,  economic  and market
developments,  as well as investor  perceptions of the issuer's  credit quality.
Lower  rated  securities  may be  especially  susceptible  to real or  perceived
adverse economic and competitive industry conditions.  In addition,  lower rated
securities may be less liquid than higher quality investments. Reduced liquidity
may prevent a portfolio from selling a security at the time and price that would
be most beneficial to the portfolio.

     The adviser and  sub-advisers  attempt to reduce the credit risk associated
with lower rated securities through  diversification  of portfolio  investments,
credit analysis of issuers in which the portfolios  invest, and monitoring broad
economic trends and corporate and legislative developments. However, there is no
assurance that they will successfully or completely reduce credit risk.

     Please  see the  Statement  of  Additional  Information  for more  detailed
information about the portfolios, their investment strategies, and their risks.

Defensive Strategy

     If the adviser  believes that economic or other market  conditions, such as
excessive  volatility  or sharp  market  declines,  require  taking a  defensive
position to preserve or maintain the assets of a portfolio, then a portfolio may
purchase  securities  of a  different  type or types  than it  ordinarily  would
purchase,  even if such  purchases are contrary to the  investment  objective or
objectives  of a portfolio.  Taking such a defensive  position  could  prevent a
portfolio from attaining its investment  objectives,  or cause it to miss out on
some or all of an upswing in the securities market.

                              Legal Proceedings

     There are currently no legal proceedings involving the fund.


                                Diversification

     To comply with  regulations  under Section  817(h) of the Internal  Revenue
Code (the "Code"), each portfolio will be required to diversify its investments.
Generally,  to meet the requirements,  on the last day of each calendar quarter,
no more than 55% of the total assets may be represented  by any one  investment,
no more than 70% may be represented by any two investments, no more than 80% may
be represented by any three investments, and no more than 90% may be represented
by any four investments. All securities of a given issuer generally are regarded
for  this  purpose  as one  investment  and,  in the  case  of  U.S.  Government
securities,  each U.S.  Government  agency or  instrumentality  is  treated as a
separate issuer.  Other tax-related  diversification  requirements apply to each
portfolio in connection with qualifying as a regulated investment company.

     Reference is made to the  prospectus  for the separate  account or accounts
that invest in the fund and/or the applicable contract for information regarding
the federal  income tax treatment of  distributions  to the separate  account or
accounts.

                       Purchase and Redemption of Shares

     As of the date of this prospectus,  shares of the fund are offered only for
purchase  by one or more  separate  accounts  of AUL to serve  as an  investment
medium for the contracts  issued by AUL. Shares of each portfolio may be offered
in the future to separate accounts of other affiliated or unaffiliated insurance
companies to serve as the underlying  investments  for variable life and annuity
contracts.  Owners  of the  contracts  do not deal  directly  with the fund with
respect to acquisition,  redemption,  or transfer of shares, and should refer to
the  contract  (or  certificate),  or, if  applicable,  the  prospectus  for the
separate  account for  information on allocation of premiums and on transfers of
account value.

     Shares of a portfolio  may be  purchased or redeemed on any day that AUL is
open for business.  Shares of each  portfolio are sold at their  respective  net
asset values  (without a sales charge) next computed after receipt of a purchase
order by AUL at its home office, on behalf of a separate  account.  The separate
accounts invest in shares of the fund in accordance with allocation instructions
received from

                                       -20-
<PAGE>

owners and  participants of the contracts  offered by AUL.  Redemptions  will be
effected by the  separate  accounts  to meet  obligations  under the  contracts.
Redemptions  are made at the per share net asset  value  next  determined  after
receipt  of the  redemption  request by AUL at its home  office,  on behalf of a
separate  account.  Redemption  proceeds normally will be paid within seven days
following receipt of instructions in proper form. The right of redemption may be
suspended  by the fund (1) when the New York  Stock  Exchange  (the  "NYSE")  is
closed  (other than  customary  weekend and holiday  closings) or for any period
during  which  trading is  restricted;  (2)  because  an  emergency  exists,  as
determined by the SEC, making  disposal of portfolio  securities or valuation of
new assets not  reasonably  practicable;  and (3)  whenever the SEC has by order
permitted such suspension or postponement for the protection of shareholders.

Net Asset Value

     The net asset value per share of each  portfolio is  determined by dividing
the  value  of  each  portfolio's  net  assets  by  the  number  of  its  shares
outstanding.  That  determination is made once each business day, Monday through
Friday,  at or about 4 p.m.,  eastern standard time (EST). The determination may
be made earlier  than 4 p.m. EST if the NYSE closes  earlier than 4 p.m. EST and
it is possible to  determine  the net asset value at that time.  Net asset value
will not be determined on days that the NYSE is closed,  on any federal holidays
or on days when AUL is not open for  business.  Traditionally,  in  addition  to
federal holidays, AUL is not open for business on the day after Thanksgiving and
either the day before or after Christmas or  Independence  Day. The value of the
assets of each portfolio other than the Money Market portfolio is based on their
market prices,  with special  provisions for assets not having readily available
market quotations and for short-term debt securities.

     The net asset  value per share of each  portfolio, except the Money  Market
portfolio, will fluctuate in response to changes in market  conditions and other
factors.  The Money  Market  portfolio  will  attempt to maintain a constant net
asset value per share of $1.00,  which will not fluctuate in response to changes
in  market  conditions,  although  there can be no  assurance  that this will be
achieved.  The Money Market portfolio  attempts to maintain a constant net asset
value  per  share by using  the  amortized  cost  method  of  valuation  for its
portfolio  securities.  This involves valuing a security at cost on the purchase
date and thereafter  assuming a constant accretion of a discount or amortization
of a premium to maturity.  See the SAI for a description  of certain  conditions
and  procedures followed by the portfolios in  connection  with  amortized  cost
valuation.


                                    TAXATION

     Distributions  of  any  net  investment  income  and of  any  net  realized
short-term  capital gains are treated as ordinary income for tax purposes in the
hands of the  shareholder  (separate  account).  The excess of any net long-term
capital  gains  over  the   short-term   capital  losses  will,  to  the  extent
distributed,  be treated as long-term capital gains in the hands of the separate
account  regardless of the length of time the separate account may have held the
shares. Such income and capital gains distributions are automatically reinvested
in additional shares of the portfolio unless the shareholder  (separate account)
elects  otherwise.  The  purchase of shares of the fund has no direct  effect on
purchasers of the Contracts through the separate account.



                      STATEMENT OF ADDITIONAL INFORMATION

     The statement of additional  information contains more specific information
relating to the AUL American Series Fund, Inc.


                                       -21-
<PAGE>


     We have not  authorized  anyone to  provide  you with  information  that is
different from the information in this  prospectus.  You should only rely on the
information in this prospectus or in other information provided to you by us.

     There is a statement of additional  information  that has more  information
about the fund. The fund also files annual and semi-annual reports with the SEC.
These reports provide more information about the fund's investments.  The annual
report  also  discusses  market   conditions  and  investment   strategies  that
significantly affected the fund's performance in 1999.

     You may request a free copy of the statement of additional information or a
copy of the annual or  semi-annual  reports  by  writing  to us at One  American
Square,  Indianapolis,  Indiana 46282 or by calling us at (800) 249-6269. If you
have other questions, call or write us.

     Information  about the fund can also be  reviewed  and  copied at the SEC's
Public Reference Room in Washington,  D.C. or may be obtained by calling the SEC
at (800) SEC-0330.  Reports and other information is also available on the SEC's
Internet site at  http://www.sec.gov.  Copies of this information can be ordered
by writing the Public Reference Section of the SEC, Washington, D.C. 2054906009.
The SEC will charge a duplicating fee for this service.

     The  fund  has  filed a  registration  statement  with  the SEC  under  the
Securities Act of 1933 and the Investment Company Act of 1940, as amended,  that
provides   information  about  the  fund's   securities.   This  information  is
incorporated by reference.



                         AUL AMERICAN SERIES FUND, INC.

                       Variable Life and Annuity Contracts

                                     Sold By

                                 AMERICAN UNITED
                            LIFE INSURANCE COMPANY(R)


                               One American Square
                           Indianapolis, Indiana 46282


                                   PROSPECTUS


                               Dated: May 1, 2000

Investment Company Filing No.:  811-05850


                                       -22-
<PAGE>


                       Statement of Additional Information
                         AUL American Series Fund, Inc.


                                   May 1, 2000


     This is a statement of additional  information  (sai) and not a prospectus.
It contains more detailed  information  about the fund than the prospectus.  You
may  request a free copy of the  prospectus  by  writing  to us at One  American
Square, Indianapolis, Indiana 46282 or by calling us at (800) 249-6269. The date
of the current prospectus is May 1, 2000.

     The annual  report of the fund for the year ending  December 31, 1999,  and
the notes in the annual report are incorporated by reference in the statement of
additional  information.  A free copy of the annual  report may be  obtained  by
writing or calling the fund at the address or telephone number given above.

A table of contents for this statement of additional information is found below.

<TABLE>
<CAPTION>
                                TABLE OF CONTENTS
<S>                                                                           <C>

Description                                                                    Page
- -----------                                                                    ----

Introduction................................................................     2
  The Fund..................................................................     2
Description of the Fund's Investments and the Investment Risks..............   2-3
  Description of Investments for the LifeStyle Portfolios...................     2
General Description of Securities and Investment Techniques.................  3-14
  U.S. Government Securities................................................     3
  Corporate Bonds and Debt Securities Generally.............................     3
  Mortgage-Related Securities...............................................     5
    GNMA Certificates.......................................................     5
    FNMA and FHLMC Obligations..............................................     6
    Collateralized Mortgage Obligations (CMOs)..............................     6
    Other Mortgage-Backed Securities........................................     6
    Risks of Mortgage-Related Securities....................................     7
  Repurchase Agreements.....................................................     7
  Reverse Repurchase Agreements.............................................     7
  Banking Industry and Savings Industry Obligations.........................     8
  Forward Foreign Currency Contracts........................................     8
  Options...................................................................     9
    Risks Associated with Options...........................................    10
  Futures Contracts.........................................................    10
    Limitations.............................................................    11
    Risks Associated with Futures...........................................    12
  Foreign Securities........................................................    12
    Risks of Foreign Securities.............................................    13
  Other Investment Companies................................................    13
  Zero Coupon and Step Coupon Securities....................................    13
  Illiquid and Restricted Securities........................................    14
  Lending of Portfolio Securities...........................................    14
Investment Restrictions..................................................... 14-15
Management of the Fund...................................................... 15-17
  Directors and Officers....................................................    15
  Compensation of Directors.................................................    16
  The Investment Adviser....................................................    16
  The Sub-Advisers..........................................................    17
Fund Expenses............................................................... 17-18
  General Expenses of the Fund..............................................    17
  Portfolio Expenses........................................................    18
  Organizational Expenses of the Portfolios.................................    18
Portfolio Transactions and Brokerage........................................ 18-19
  Brokerage and Research Services...........................................    18
  Portfolio Turnover........................................................    19
Performance Information..................................................... 20-21
Taxation....................................................................    21
  Federal Income Tax Status.................................................    21
Shareholder Information..................................................... 21-22
  Description of the Fund Shares............................................    21
  Voting Rights.............................................................    21
  Net Asset Value of the Fund Shares.  .....................................    22
  Purchases and Redemptions.................................................    22
  Custodian, Transfer Agent, and Dividend Disbursing Agent..................    22
  Independent Accountants...................................................    22
  Legal Counsel.............................................................    22
  Code of Ethics............................................................    22
 Financial Statements.......................................................    22
Appendix I..................................................................    23
</TABLE>


                                       -1-
<PAGE>

                                  INTRODUCTION

     This  statement  of  additional  information  is designed to provide a more
detailed  discussion of certain  securities and investment  techniques which are
described in the prospectus. This information is intended only for investors who
have read the prospectus  and are  interested in a more detailed  explanation of
certain aspects of the fund's securities and investment techniques. Captions and
defined terms in this statement of additional  information  generally correspond
to like captions and terms in the prospectus.

                                    The Fund

     AUL American  Series  Fund,  Inc.  (the fund) is an  open-end,  diversified
management investment company, commonly referred to as a mutual fund. It's eight
portfolios are the:
<TABLE>
<S>                                        <C>

AUL American Equity portfolio               AUL American Tactical Asset Allocation portfolio
AUL American Bond  portfolio                AUL American Conservative Investor portfolio
AUL American Money Market portfolio         AUL American Moderate Investor portfolio
AUL American Managed portfolio              AUL American Aggressive Investor portfolio
</TABLE>


     Each  portfolio has its own investment  objectives,  which are described in
the prospectus.

     The fund was incorporated  under the laws of Maryland on July 26, 1989, and
is  registered  under the  Investment  Company  Act of 1940 (the 1940 Act) as an
open-end, diversified management investment company.

     As a "series"  type of mutual fund,  the fund issues shares of common stock
relating to separate investment portfolios (portfolios).  More portfolios may be
added in the  future.  An  interest  in the fund is limited to the assets of the
particular  portfolio in which shares are held.  Shareholders  of each portfolio
are entitled to a pro rata share of all dividends and distributions  paid by the
portfolio.

         Description of the Fund's Investments and the Investment Risks

Description of Investments for the LifeStyle Portfolios

Equity  Securities.  The  equity  portion  of each  LifeStyle  portfolio  may be
invested in any type of domestic or foreign equity  security,  primarily  common
stocks,  that meet certain  standards of selection.  In addition to investing in
common  stocks,  the  LifeStyle   portfolios  may  invest  in  preferred  stock,
convertible preferred stock, convertible debt securities,  warrants,  depository
receipts,  and other  securities  believed to have equity  characteristics.  The
equity  portion of each  portfolio may be  diversified  among small,  medium and
large  companies.  Both growth and value  investment  disciplines  are  normally
utilized in managing the equity portion of each portfolio. The growth discipline
attempts to identify companies whose earnings and revenue trends are believed by
the  sub-adviser  to  demonstrate,  or have  the  prospects  for  demonstrating,
accelerating earnings and revenues as compared to prior periods, competitors, or
market  expectations.  The value  investment  discipline  attempts  to  identify
companies that are believed by AUL to be temporarily undervalued. It is believed
that value investing tends to provide less volatile results over the long term.

Bonds.  The bond  portion of each  LifeStyle  portfolio  may be invested in U.S.
Treasury securities, securities issued or guaranteed by the U.S. Government or a
foreign  government,  or an agency or  instrumentality  of the U.S. or a foreign
government,  and  non-convertible  debt  obligations  issued by U.S.  or foreign
corporations.  The LifeStyle  portfolios may also invest in mortgage-backed  and
other  mortgage-related  securities  as  described below under "Mortgage-Related
Securities"  and  in  other  asset-backed  securities.  The  bond  portion  of a
portfolio may be diversified  among the various types of fixed income investment
categories described above. The sub-adviser's strategy is to actively manage the
LifeStyle  portfolio by investing the portfolio's  assets in sectors it believes
are  undervalued  (relative  to the other  sectors) and which  represent  better
relative long-term investment opportunities.

For the fixed income portion of its assets,  each portfolio invests primarily in
debt securities that, at the time of investment,  are "investment  grade." These
include  bonds rated BBB or better by S&P or Baa or better by Moody's or, if not
rated,  of equivalent  quality in the judgment of AUL. See "Corporate  Bonds and
Debt Securities  Generally" below for more  information on debt  securities.  In
addition,  30% of each portfolio's  fixed income assets may be invested in "high
yield"  securities  which are debt securities  rated, at the time of investment,
lower than Baa by Moody's  or BBB by S&P or of  equivalent  quality as deemed by
the adviser or the  sub-adviser.  "High  Yield" bonds are not  considered  to be
investment grade and are regarded as  predominantly  speculative with respect to
the issuer's  continuing  ability to meet principal and interest  payments.  See
"Corporate Bonds and Debt Securities Generally" and Appendix I below for further
information concerning bond ratings.

Money Market Instruments. The cash equivalent portion of a LifeStyle portfolio's
securities  may be invested in money  market  instruments  (denominated  in U.S.
dollars or

                                      -2-
<PAGE>


foreign  currencies),  including  U.S.  Government  obligations,  obligations of
domestic and foreign banks, short-term corporate debt instruments and repurchase
agreements. The LifeStyle portfolios may only invest in money market instruments
that are rated AAA or A-1 by S&P, Aaa or P-1 by Moody's, or AAA or D-1 by Duff &
Phelps,  Inc.,  or,  if not  rated,  are of  equivalent  investment  quality  as
determined by AUL.

Foreign  Securities.  Each of the  portfolios  may invest in the  securities  of
foreign issuers.  In determining the allocation of assets among U.S. and foreign
issuers,  AUL and the sub-adviser consider the condition and growth potential of
the various  economies;  the relative  valuations  of the  markets;  and social,
political,  and economic  factors that may affect the markets.  The Conservative
Investor  portfolio  will  generally  invest  not more than 20% of its assets in
foreign  securities;  the Moderate Investor  portfolio will generally invest not
more than 30% of its assets in foreign  securities;  and the Aggressive Investor
portfolio  will  generally  invest  not more than 35% of its  assets in  foreign
securities. These percentages are measured at the time of investment.

The LifeStyle  portfolios  may make  investments  in foreign  securities  either
directly or indirectly by purchasing depository receipts or depository shares of
similar instruments ("depository receipts").  Depository receipts are securities
that are listed on exchanges or quoted in the domestic  over-the-counter markets
in one country but  represent  shares of issuers  domiciled in another  country.
Direct  investments  in  foreign  securities  may  be  made  either  on  foreign
securities  exchanges  or  in  the  over-the-counter  markets.  Subject  to  its
investment  objective and policies,  each portfolio may invest in common stocks,
convertible securities, preferred stocks, bonds, notes and other debt securities
of  foreign  issuers  and debt  securities  of  foreign  governments  and  their
agencies.  The  credit  quality  standards  applicable  to  domestic  securities
purchased  by each  LifeStyle  portfolio  are  also  applicable  to its  foreign
securities  investments.  The LifeStyle  portfolios may also invest a portion of
their  international  holdings  in  securities  of  issuers in  emerging  market
(developing) countries. See "Foreign Securities" below for more information.  In
connection with investments in securities denominated in foreign currencies, AUL
and the  sub-adviser  may seek to hedge all or a part of a  portfolio's  foreign
currency  exposure  through the use of forward foreign currency  contracts.  See
"Forward Foreign Currency Contracts" below.


          GENERAL DESCRIPTION OF SECURITIES AND INVESTMENT TECHNIQUES

U.S. GOVERNMENT SECURITIES

     All of the  portfolios  may  invest  in U.S.  Government  securities.  U.S.
Government securities are obligations of, or obligations guaranteed by, the U.S.
Government, its agencies or instrumentalities. Securities guaranteed by the U.S.
Government  include:  (1)  direct  obligations  of the  U.S.  Treasury  (such as
Treasury bills, notes, and bonds) and (2) federal agency obligations  guaranteed
as to principal and interest by the U.S.  Treasury (such as GNMA  certificates).
Direct  obligations  of the  U.S.  Government  include  a  variety  of  Treasury
securities which differ with respect to coupons, maturities, and dates of issue.
Treasury  bills  have a  maturity  of one  year or  less.  Treasury  notes  have
maturities of one to 10 years,  and Treasury bonds  generally have a maturity of
greater than 10 years.  Securities  guaranteed  by the U.S.  Government  include
federal agency  obligations  guaranteed as to principal and interest by the U.S.
Treasury (such as Government National Mortgage Association ("GNMA") certificates
and Federal  Housing  Administration  debentures).  The payment of principal and
interest  of  these  securities  is  unconditionally   guaranteed  by  the  U.S.
Government.  They are thus of the highest credit  quality.  Such  securities are
subject to variations in market value due to fluctuations in interest rates but,
if held to maturity,  the United  States is directly  obligated or guarantees to
pay them in full.

     Securities issued by U.S. Government  instrumentalities and certain federal
agencies are neither direct  obligations of, nor obligations  guaranteed by, the
U.S. Treasury.  However, they involve federal sponsorship in one way or another:
some are  supported  by the issuer's  right to borrow from the U.S.  Government;
others are  supported  only by the credit of the  issuing  government  agency or
instrumentality.  These  agencies  and  instrumentalities  include,  but are not
limited to, Federal National Mortgage  Association  ("FNMA"),  Federal Home Loan
Banks, Federal Land Banks,  Central Bank for Cooperatives,  Federal Intermediate
Credit Banks, Farmers Financing Bank, Farmers Home  Administration,  Farm Credit
Banks, and the Tennessee Valley Authority.


CORPORATE BONDS AND DEBT SECURITIES GENERALLY

     The  Bond,  Money  Market,  Managed,  Tactical  Asset  Allocation,  and the
LifeStyle  portfolios may invest in U.S. dollar or foreign  currency-denominated
corporate  bonds or debt  securities of domestic or foreign  issuers,  which may
include,  without  limit,  debentures,  notes and other similar  corporate  debt
instruments,  including convertible securities.  Debt securities may be acquired
with warrants attached.  Corporate income-producing  securities also may include
forms of preferred or preference stock.  These instruments must meet the minimum
ratings  criteria set forth for the portfolio,  or, if unrated,  be deemed to be
comparable  in quality to corporate  debt  securities in which the portfolio may
invest.  The rate of return or return of principal on some debt  obligations may
be linked or indexed to the level of exchange rates between the U.S.  dollar and
a foreign currency or currencies.

     The investment  return on a debt security  reflects  interest  earnings and
changes  in  the  market  value  of the  security.  The  market  value  of  each
portfolio's  securities  may be  affected  by,  among other  things,  changes in
interest rates,

                                       -3-
<PAGE>


and the price of debt  obligations  will  generally rise and fall inversely with
interest rates.  Longer term debt  obligations  will normally have greater price
volatility than shorter term obligations.

     A debt  security also presents the risk that the issuer of the security may
not be able to meet its  obligations  on interest or  principal  payments at the
time called for by the instrument.  Bonds rated BBB or Baa, which are considered
medium-grade  category bonds, do not have economic  characteristics that provide
the same degree of security  with respect to payment of  principal  and interest
associated  with  higher  rated  bonds,  and  generally  have  some  speculative
characteristics.  A bond will be placed in this rating  category  where interest
payments and principal  security appear  adequate for the present,  but economic
characteristics  that provide longer-term  protection may be lacking.  Any bond,
and  particularly  those  rated  BBB or  Baa,  may be  susceptible  to  changing
conditions,  particularly to economic downturns,  which could lead to a weakened
capacity to pay interest and principal.  In the event that ratings decline after
the portfolio's  investment in debt securities,  the adviser or sub-adviser will
consider all such factors as it deems relevant to the  advisability of retaining
such securities.  See Appendix I below for further  information  concerning bond
ratings.

     Among the corporate debt  securities in which the portfolios may invest are
convertible securities. A convertible debt security is a bond, debenture,  note,
or other  security  that  entitles  the holder to acquire  common stock or other
equity  securities of the same or a different  issuer.  A  convertible  security
generally  entitles  the holder to receive  interest  paid or accrued  until the
convertible  security  matures or is redeemed,  converted or  exchanged.  Before
conversion,    convertible   securities   have   characteristics    similar   to
non-convertible  debt securities.  Convertible  securities rank senior to common
stock in a corporation's capital structure and, therefore, generally entail less
risk than the corporation's common stock, although the extent to which such risk
is reduced  depends in large  measure  upon the degree to which the  convertible
security sells above its value as a fixed income security.

     A  convertible  security may be subject to  redemption at the option of the
issuer at a predetermined  price. If a convertible  security held by a portfolio
is called for  redemption,  the portfolio would be required to permit the issuer
to redeem the security and convert it to underlying  common stock, or would sell
the convertible security to a third party. A portfolio generally would invest in
convertible  securities  for their  favorable  price  characteristics  and total
return potential.

     Certain  portfolios may invest in or acquire warrants to purchase equity or
fixed  income  securities.  Bonds with  warrants  attached  to  purchase  equity
securities have many  characteristics of convertible bonds and their prices may,
to some degree,  reflect the performance of the underlying stock. Bonds also may
be issued with warrants attached to purchase  additional fixed income securities
at the same coupon rate. A decline in interest rates would permit a portfolio to
buy additional  bonds at the favorable rate or to sell the warrants at a profit.
If interest rates rise, the warrants would generally expire with no value.

     Securities   rated  Baa  and  BBB  are  the  lowest  which  are  considered
"investment  grade"  obligations.  Moody's Investors Service,  Inc.  ("Moody's")
describes securities rated Baa as "medium-grade" obligations;  they are "neither
highly  protected  nor poorly  secured . . .  [i]nterest  payments and principal
security appear adequate for the present but certain protective  elements may be
lacking or may be  characteristically  unreliable over any great length of time.
Such  bonds  lack  outstanding  investment  characteristics  and  in  fact  have
speculative  characteristics  as  well."  Standard  & Poor's  ("S&P")  describes
securities rated BBB as "regarded as having an adequate capacity to pay interest
and repay  principal . . . [w]hereas it normally  exhibits  adequate  protection
parameters,  adverse  economic  conditions  or changing  circumstances  are more
likely to lead to a weakened  capacity to pay interest and repay principal . . .
than in higher rated categories."

     The Bond portfolio may invest up to 10% of its assets, measured at the time
of  investment,  the Managed  portfolio may invest up to 10% of its fixed income
assets, measured at the time of investment, and each of the LifeStyle portfolios
may  invest  up to 30% of its  fixed  income  assets,  measured  at the  time of
investment,  in securities  rated below investment  grade.  These securities are
described as  "speculative"  by both Moody's and S&P.  Investment in lower rated
corporate debt securities  ("high yield  securities" or "junk bonds")  generally
provides greater income and increased  opportunity for capital appreciation than
investments in higher quality securities, but they also typically entail greater
price  volatility and principal and income risk. These high yield securities are
regarded as predominantly  speculative  with respect to the issuer's  continuing
ability   to  meet   principal   and   interest   payments.   Analysis   of  the
creditworthiness  of issuers of debt  securities that are high yield may be more
complex than for issuers of higher  quality  debt  securities.  Debt  securities
rated lower than investment  grade by either S&P or Moody's,  but not the other,
are not considered to be high yield  securities for purposes of the  portfolios'
limits on investments in high yield securities.

     High yield securities may be more susceptible to real or perceived  adverse
economic and competitive  industry  conditions than investment grade securities.
The prices of high yield  securities  have been  found to be less  sensitive  to
interest-rate  changes  than  higher-rated  investments,  but more  sensitive to
adverse economic downturns or individual corporate developments. A projection of
an economic downturn or of a period of rising interest rates, for example, could
cause a decline in high yield security  prices because the advent of a recession
could lessen the ability of a highly  leveraged  company to make  principal  and
interest payments on its debt securities.  If an issuer of high yield securities
defaults, in addition to risking payment of all or a


                                      -4-
<PAGE>

portion of interest and principal,  the portfolios  investing in such securities
may  incur  additional  expenses  to seek  recovery.  In the case of high  yield
securities  structured as zero coupon or  pay-in-kind  securities,  their market
prices are affected to a greater extent by interest rate changes, and therefore,
tend to be more volatile than securities which pay interest  periodically and in
cash.

     The secondary  market on which high yield securities are traded may be less
liquid  than the market for  higher  grade  securities.  Less  liquidity  in the
secondary  trading  market  could  adversely  affect  the  price  at  which  the
portfolios  could sell a high yield  security,  and could  adversely  affect the
daily net asset value of the shares. Adverse publicity and investor perceptions,
whether  or not based on  fundamental  analysis,  may  decrease  the  values and
liquidity of high yield securities,  especially in a thinly-traded  market. When
secondary  markets for high yield securities are less liquid than the market for
higher  grade  securities,  it may be more  difficult  to value  the  securities
because such valuation may require more  research,  and elements of judgment may
play a greater role in the valuation  because there is less reliable,  objective
data available.

     The use of credit  ratings  as the sole  method of  evaluating  high  yield
securities can involve certain risks,  as credit ratings  evaluate the safety of
principal  and  interest  payments,  not the  market  value  risk of high  yield
securities.  Also, credit rating agencies may fail to change credit ratings in a
timely fashion to reflect events since the security was last rated. Accordingly,
analysis of the creditworthiness of issuers of high yield securities may be more
complex than for issuers of higher quality debt securities, and the ability of a
portfolio  to  achieve  its  investment  objective  may,  to the  extent  of its
investments   in  high   yield   securities,   be  more   dependent   upon  such
creditworthiness analysis than would be the case if the portfolio were investing
in higher quality securities.

MORTGAGE-RELATED SECURITIES

     The Bond, Managed, Tactical Asset Allocation, and the LifeStyle portfolios,
may invest in GNMA certificates, FNMA and Federal Home Loan Mortgage Corporation
("FHLMC")  mortgage-backed  obligations,  and privately  issued  mortgage-backed
securities. Mortgage-related securities are interests in pools of mortgage loans
made to residential  home buyers,  including  mortgage loans made by savings and
loan  institutions,  mortgage bankers,  commercial  banks, and others.  Pools of
mortgage  loans are  assembled  as  securities  for sale to investors by various
governmental and government-related organizations.

GNMA Certificates

     Government   National   Mortgage   Association   (GNMA)   certificates  are
mortgage-backed  securities  representing  part  ownership of a pool of mortgage
loans on which timely  payment of interest and  principal is  guaranteed  by the
full  faith  and  credit of the U.S.  Government.  GNMA is a  wholly-owned  U.S.
Government  corporation  within the Department of Housing and Urban Development.
GNMA is  authorized  to  guarantee,  with the full  faith and credit of the U.S.
Government, the timely payment of principal and interest on securities issued by
institutions approved by GNMA (such as savings and loan institutions, commercial
banks, and mortgage bankers) and backed by pools of FHA-insured or VA-guaranteed
mortgages.

     Interests  in pools of  mortgage  loans  differ  from  other  forms of debt
securities,  which  normally  provide for periodic  payment of interest in fixed
amounts with principal  payments at maturity or specified  call dates.  Instead,
these securities  provide a periodic payment which consists of both interest and
principal  payments.  In effect,  these  payments  are a  "pass-through"  of the
periodic payments made by the individual  borrowers on the residential  mortgage
loans,  net of any fees paid to the  issuer  or  guarantor  of such  securities.
Additional  payments are caused by  repayments of principal  resulting  from the
refinancing,  foreclosure or sale of the underlying residential property, net of
fees or costs which may be incurred.  Mortgage-related securities issued by GNMA
are described as "modified  pass-through"  securities.  These securities entitle
the holder to receive all interest and  principal  payments owed on the mortgage
pool, net of certain fees, at the scheduled payment dates, regardless of whether
or not the mortgagor actually makes the payment. Although GNMA guarantees timely
payment  even if  homeowners  delay  or  default,  tracking  the  "pass-through"
payments may, at times,  be difficult.  Expected  payments may be delayed due to
the delays in registering  the newly traded paper  securities.  The  Custodian's
policies for crediting  missed  payments while errant  receipts are tracked down
may vary.

     Although the mortgage  loans in the pool will have  maturities  of up to 30
years,  the  actual  average  life of the GNMA  certificates  typically  will be
substantially  less because the  mortgages  will be subject to normal  principal
amortization and may be prepaid prior to maturity. Early repayments of principal
on the  underlying  mortgages  may expose a portfolio  to a lower rate of return
upon reinvestment of principal. Prepayment rates vary widely and may be affected
by changes in market interest rates. In periods of falling  interest rates,  the
rate of prepayment tends to increase, thereby shortening the actual average life
of the GNMA certificates.  Conversely,  when interest rates are rising, the rate
of prepayment tends to decrease,  thereby lengthening the actual average life of
the GNMA certificates. Accordingly, it is not possible to accurately predict the
average life of a particular  pool.  Reinvestment  of  prepayments  may occur at
higher or lower rates than the original  yield on the  certificates.  Due to the
prepayment feature and the need to reinvest  prepayments of principal at current
rates,  GNMA  certificates  can be less  effective than typical bonds of similar
maturities at "locking in" yields during  periods of declining  interest  rates,
although they may have  comparable  risks of decline in value during  periods of
rising interest rates.

                                      -5-
<PAGE>


FNMA and FHLMC Obligations

     The Federal National Mortgage Association (FNMA), a federally-chartered and
privately-owned   corporation,   issues  pass-through   securities  representing
interests in a pool of conventional  mortgage loans.  FNMA guarantees the timely
payment of principal  and interest but this  guarantee is not backed by the full
faith  and  credit  of the  U.S.  Government.  FNMA  is a  government  sponsored
corporation  owned  entirely by private  stockholders.  It is subject to general
regulation by the  Secretary of Housing and Urban  Development.  FNMA  purchases
conventional  (i.e.,  not  insured  or  guaranteed  by  any  government  agency)
residential  mortgages  from a list of approved  seller/servicers  which include
state and  federally-chartered  savings and loan  associations,  mutual  savings
banks, commercial banks, credit unions, and mortgage bankers.

     The  Federal  Home  Loan   Mortgage   Corporation   (FHLMC),   a  corporate
instrumentality  of the United  States,  was created by Congress in 1970 for the
purpose of  increasing  the  availability  of  mortgage  credit for  residential
housing.  Its stock is owned by the 12 Federal  Home Loan  Banks.  FHLMC  issues
Participation  Certificates  ("PCs")  which  represent  interests  in a pool  of
conventional  mortgages from FHLMC's  national  portfolio.  FHLMC guarantees the
timely  payment of interest and ultimate  collection  of principal and maintains
reserves  to protect  holders  against  losses due to  default,  but PCs are not
backed by the full faith and credit of the U.S. Government.  As is the case with
GNMA certificates,  the actual maturity of and realized yield on particular FNMA
and FHLMC pass-through  securities will vary based on the prepayment  experience
of the underlying pool of mortgages.

Collateralized Mortgage Obligations (CMOs)

     A  CMO  is  a  hybrid  between  a  mortgage-backed   bond  and  a  mortgage
pass-through  security.  Similar to a bond,  interest and prepaid  principal are
paid, in most cases, semi-annually. CMOs may be collateralized by whole mortgage
loans,  but  are  more  typically   collateralized  by  portfolios  of  mortgage
pass-through  securities  guaranteed by GNMA,  FHLMC,  or FNMA, and their income
streams.

     CMOs are structured into multiple classes,  each bearing a different stated
maturity.  Actual  maturity  and average  life will  depend upon the  prepayment
experience  of  the  collateral.  CMOs  provide  for a  modified  form  of  call
protection  through a de facto  breakdown  of the  underlying  pool of mortgages
according  to how  quickly the loans are repaid.  Monthly  payment of  principal
received from the pool of underlying investors,  including prepayments, is first
returned to investors holding the shortest maturity class. Investors holding the
longer maturity  classes  receive  principal only after the first class has been
retired. An investor is partially guarded against a  sooner-than-desired  return
of principal because of the sequential payments.

     In a typical CMO  transaction,  a corporation  ("issuer")  issues  multiple
portfolios  (e.g.,  A, B, C, Z) of CMO  bonds  ("Bonds").  Proceeds  of the Bond
offering are used to purchase  mortgages or mortgage  pass-through  certificates
("Collateral").  The  Collateral is pledged to a third party trustee as security
for the Bonds.  Principal and interest  payments from the Collateral are used to
pay  principal  on the Bonds in the order A, B, C, Z. The  portfolio A, B, and C
Bonds all bear current interest. Interest on the portfolio Z Bond is accrued and
added to the  principal;  a like amount is paid as principal on the portfolio A,
B, or C Bond currently  being paid off. When the portfolio A, B, and C Bonds are
paid in full,  interest and  principal on the  portfolio Z Bond begin to be paid
currently.  With  some  CMOs,  the  issuer  acts  as a  conduit  to  allow  loan
originators  (usually  builders  or  savings  and loan  associations)  to borrow
against their loan portfolios.

     Certain  classes  of CMOs pay the  holders  only the  interest  paid on the
underlying  mortgages  or  mortgage  pass-through   securities   ("interest-only
class"). Other classes pay the holders only the principal paid on the underlying
mortgages  or  mortgage  pass-through   securities   ("principal-only   class").
Interest-only  and  principal-only  classes of CMOs purchased by a portfolio are
currently  considered to be illiquid securities subject to the 10% limitation on
investment in illiquid securities. See "Investment Restrictions" in this SAI.

Other Mortgage-Backed Securities

     Commercial banks, savings and loan institutions, private mortgage insurance
companies,  mortgage  bankers,  and other  secondary  market issuers also create
pass-through pools of conventional residential mortgage loans. In addition, such
issuers may be the originators and/or servicers of underlying  mortgage loans as
well as the guarantors of the  mortgage-backed  securities.  Payments are passed
through to the holders,  although not  necessarily  on a pro rata basis,  on the
same  schedule  as  they  are  received.   Mortgage-backed   bonds  are  general
obligations of the issuer fully collateralized  directly or indirectly by a pool
of  mortgages.  The  mortgages  serve as  collateral  for the  issuer's  payment
obligations on the bonds,  but interest and principal  payments on the mortgages
are not passed through either directly (as with GNMA  certificates  and FNMA and
FHLMC  pass-through   securities)  or  on  a  modified  basis  (as  with  CMOs).
Accordingly,  a change in the rate of prepayments on the pool of mortgages could
change the effective  maturity of a CMO but not that of a  mortgage-backed  bond
(although,  like many bonds,  mortgage-backed  bonds can  provide  that they are
callable   by  the   issuer   prior  to   maturity).   Pools   created  by  such
non-governmental  issuers  generally  offer  a  higher  rate  of  interest  than
government and government-related pools, because there are no direct or indirect
government or agency guarantees of payments in the former pools.  Timely payment
of interest and  principal  of these pools may be supported by various  forms of
insurance or  guarantees,  including  individual  loan,  title,  pool and hazard
insurance,  and letters of credit.  The insurance and  guarantees  are issued by
governmental  entities,   private  insurers,  and  the  mortgage  poolers.  Such
insurance, guarantees, and the

                                      -6-
<PAGE>


creditworthiness  of the  issuers  thereof  will be  considered  in  determining
whether  a  mortgage-backed  security  meets a  portfolio's  investment  quality
standards. There can be no assurance that the private insurers or guarantors can
meet their obligations under the insurance policies or guarantee arrangements.

     All portfolios  that may buy  mortgage-backed  securities may purchase such
securities  without  insurance  or  guarantees,  if the  adviser or  sub-adviser
determines that the securities meet a portfolio's  quality  standards.  Although
the market for such securities is becoming  increasingly  liquid,  securities by
certain private organizations may not be readily marketable. It is expected that
governmental,  government-related,  or private entities may create mortgage loan
pools and other  mortgage-backed  securities offering mortgage  pass-through and
mortgage-collateralized investments in addition to those described above. As new
types of mortgage-backed  securities are developed and offered to investors, the
adviser and the  sub-advisers  will,  consistent  with a portfolio's  investment
objectives, policies, and quality standards, consider making investments in such
new types of mortgage-backed securities.

Risks of Mortgage-Related Securities

     In the case of mortgage  pass-through  securities such as GNMA certificates
or FNMA and FHLMC  mortgage-backed  obligations,  early  repayment  of principal
arising from  prepayments of principal on the  underlying  mortgage loans due to
the sale of the underlying property, the refinancing of the loan, or foreclosure
may expose a portfolio to a lower rate of return upon reinvestment of principal.
Prepayment  rates vary widely and may be affected by changes in market  interest
rates.  In periods of falling  interest rates,  the rate of prepayment  tends to
increase,  thereby  shortening the actual  average life of the  mortgage-related
security.  Conversely,  when interest  rates are rising,  the rate of prepayment
tends  to  decrease,   thereby  lengthening  the  actual  average  life  of  the
mortgage-related security. Accordingly, it is not possible to accurately predict
the average life of a particular pool.  Reinvestment of prepayments may occur at
higher or lower rates than the original  yield on the  certificates.  Therefore,
the actual maturity and realized yield on pass-through or modified  pass-through
mortgage-related  securities  will vary based upon the prepayment  experience on
the underlying pool of mortgages.


REPURCHASE AGREEMENTS

     All portfolios may invest in repurchase agreements. If a portfolio acquires
a security  from a bank or  broker-dealer,  it may  simultaneously  enter into a
repurchase  agreement  with the seller  wherein the seller agrees at the time of
sale to repurchase  the security at a mutually  agreed upon time and price.  The
term of such an agreement is generally quite short,  possibly overnight or for a
few days,  although  it may extend over a number of months (up to one year) from
the date of delivery.  The resale price is in excess of the purchase price by an
amount which  reflects an agreed upon market rate of return,  effective  for the
period of time the  portfolio  is invested in the  security.  This  results in a
fixed rate of return protected from market  fluctuations  during the term of the
agreement.  This rate is not tied to the coupon rate on the security  subject to
the  repurchase  agreement.  Such  transactions  afford  an  opportunity  for  a
portfolio to maintain liquidity and earn income over periods of time as short as
overnight.

     The underlying  securities on repurchase  agreements  are  ordinarily  U.S.
Government securities,  but may be other securities in which the portfolio might
otherwise invest. A portfolio will enter into repurchase agreements only if they
are fully collateralized.  The market value of the collateral, including accrued
interest,  will equal or exceed the repurchase price, and the collateral will be
in the actual or constructive possession of the portfolio.  Under the Investment
Company Act of 1940 (the "1940 Act"), repurchase agreements are considered to be
loans by the purchaser collateralized by the underlying securities.  The adviser
or  sub-adviser,  as  appropriate,  will  monitor  the  value of the  underlying
securities  at the time a repurchase  agreement is entered into and at all times
during  the term of the  agreement  to ensure  that its value  always  equals or
exceeds  the  agreed  upon  repurchase  price to be paid to the  portfolio.  The
adviser or  sub-adviser  will also evaluate the  creditworthiness  and financial
responsibility of the banks and  broker-dealers  with which the portfolios enter
into repurchase agreements.

     A  portfolio  may not enter into a  repurchase  agreement  having more than
seven days remaining to maturity if, as a result,  such agreements together with
any other securities which are not readily  marketable,  would exceed applicable
limits on the portfolio's investments in illiquid securities.

     A repurchase agreement subjects a portfolio to the risk of the inability of
the  seller to pay the  repurchase  price on the  delivery  date;  however,  the
underlying security constitutes the collateral for the seller's  obligation.  In
addition,  a portfolio will enter into  repurchase  agreements only with parties
that the adviser or sub-adviser considers creditworthy.  In the event the seller
does default,  the portfolio may incur (1) a loss if the value of the collateral
declines  and  (2)  disposition   costs  in  connection  with   liquidating  the
collateral.  In the event  bankruptcy  proceedings are commenced with respect to
the seller,  realization  of the  collateral  by the portfolio may be delayed or
limited and a loss may be incurred if the  collateral  securing  the  repurchase
agreement declines in value during the bankruptcy proceedings.


REVERSE REPURCHASE AGREEMENTS

     All of the portfolios may invest in reverse repurchase agreements.  Reverse
repurchase  agreements  involve the sale of a security  by a  portfolio  and its
agreement to repurchase the instrument at a specified time and price.

     A portfolio  will use the  proceeds of a reverse  repurchase  agreement  to
purchase other money market instruments

                                     -7-
<PAGE>


which either mature at a date  simultaneous  with or prior to the  expiration of
the reverse repurchase  agreement or which are held under an agreement to resell
maturing  as of that time.  A  portfolio  will  enter into a reverse  repurchase
agreement only when the interest  income to be earned from the investment of the
proceeds  of the  transaction  is  greater  than  the  interest  expense  of the
transaction.  However,  reverse repurchase  agreements involve the risk that the
market  value of  securities  retained by the  portfolio  may decline  below the
repurchase  price of the securities  sold by the portfolio which it is obligated
to repurchase.

     Under the 1940 Act, reverse  repurchase  agreements may be considered to be
borrowings  by the  seller.  A  portfolio  will  maintain a  segregated  account
consisting of liquid assets to cover its  obligations  under reverse  repurchase
agreements.  To the extent that positions in reverse  repurchase  agreements are
not covered through the maintenance of a segregated account consisting of liquid
assets  at least  equal to the  amount of any  forward  purchase  commitment,  a
portfolio will limit its investments in such reverse  repurchase  agreements and
other  borrowings to no more than  one-third of the current  market value of the
portfolio's  total  assets.  The  use  of  reverse  repurchase  agreements  by a
portfolio creates leverage which increases a portfolio's investment risk. If the
income and gains on securities purchased with the proceeds of reverse repurchase
agreements  exceed the cost of the agreements,  the portfolio's  earnings or net
asset value will increase faster than otherwise  would be the case;  conversely,
if the income and gains fail to exceed the costs,  earnings  or net asset  value
would decline faster than otherwise would be the case.

     A portfolio  may enter into  reverse  repurchase  agreements  with banks or
broker-dealers.  Entry into such  agreements  with  broker-dealers  requires the
creation and maintenance of a segregated account  consisting of U.S.  Government
securities or cash or cash  equivalents  equal to its obligations  under reverse
repurchase agreements.


BANKING INDUSTRY AND SAVINGS INDUSTRY OBLIGATIONS

     All  portfolios  may invest in  certificates  of  deposit,  time  deposits,
bankers' acceptances, and other short-term debt obligations issued by commercial
banks;  and in  certificates  of deposit,  time deposits,  and other  short-term
obligations issued by savings and loan associations ("S&L").

     Certificates  of deposit are negotiable  certificates  issued against funds
deposited in a commercial  bank or S&L for a definite period of time and earning
a specified  return.  Bankers'  acceptances  are  negotiable  drafts or bills of
exchange,  which  are  normally  drawn by an  importer  or  exporter  to pay for
specific  merchandise,  and which are "accepted" by a bank,  meaning, in effect,
that the bank unconditionally  agrees to pay the face value of the instrument on
maturity.  Fixed-time deposits are bank obligations payable at a stated maturity
date and bearing interest at a fixed rate.  Fixed-time deposits may be withdrawn
on demand by the  investor,  but may be  subject to early  withdrawal  penalties
which vary  depending upon market  conditions and the remaining  maturity of the
obligation.  There are no  contractual  restrictions  on the right to transfer a
beneficial  interest in a fixed-time deposit to a third party,  because there is
no market for such deposits.  A portfolio will invest in fixed-time deposits (1)
which  are not  subject  to  prepayment  or (2)  which  provide  for  withdrawal
penalties upon  prepayment  (other than  overnight  deposits),  consistent  with
applicable limits on its investments in illiquid securities.

     The portfolios  will not invest in obligations  issued by a commercial bank
or S&L unless the bank or S&L has total  assets of at least $1  billion,  or the
equivalent in other currencies,  and the institution has outstanding  securities
rated A or better by S&P or Moody's,  or, if the  institution has no outstanding
securities rated by S&P or Moody's,  such  institution,  in the determination of
the adviser or sub-adviser,  has creditworthiness similar to institutions having
outstanding securities so rated.

     The  Money  Market,  Managed,   Tactical  Asset  Allocation  and  LifeStyle
portfolios may invest in U.S. dollar-denominated obligations of foreign branches
of U.S. banks and foreign banks.  Obligations of foreign banks involve  somewhat
different investment risks than those affecting obligations of U.S. banks, which
include:  (1) the possibility  that their liquidity could be impaired because of
future political and economic  developments;  (2) their  obligations may be less
marketable than comparable obligations of U.S. banks; (3) a foreign jurisdiction
might impose  withholding taxes on interest income payable on those obligations;
(4) foreign  deposits may be seized or  nationalized;  (5) foreign  governmental
restrictions,  such as exchange  controls,  may be adopted which might adversely
affect the payment of principal and interest on those  obligations;  and (6) the
selection of those  obligations may be more difficult  because there may be less
publicly  available  information  concerning  foreign  banks and/or  because the
accounting,   auditing,  and  financial  reporting  standards,   practices,  and
requirements  applicable  to foreign  banks may differ from those  applicable to
U.S. banks.  Foreign banks are not generally  subject to examination by any U.S.
Government agency or instrumentality.


FORWARD FOREIGN CURRENCY CONTRACTS

     Foreign  currency  exchange  rates may fluctuate  significantly  over short
periods  of time.  They  generally  are  determined  by the forces of supply and
demand in the foreign exchange markets and the relative merits of investments in
different  countries,  actual or perceived  changes in interest  rates and other
complex factors,  as seen from an international  perspective.  Currency exchange
rates also can be  affected  unpredictably  by  intervention  (or the failure to
intervene) by U.S. or foreign governments or central banks, by currency controls
or  political  developments  in the U.S.  or  abroad.  Currencies  in which  the
portfolios' assets are

                                       -8-
<PAGE>


denominated may be devalued against the U.S. dollar,  resulting in a loss to the
portfolios.

     The  Tactical  Asset  Allocation  and  LifeStyle  portfolios  may invest in
forward  foreign  currency  contracts to reduce the risks of adverse  changes in
foreign  exchange  rates.  A  forward  foreign  currency  contract  involves  an
obligation to purchase or sell a specific  currency at a future date,  which may
be any fixed  number of days from the date of the  contract  agreed  upon by the
parties, at a price set at the time of the contract.  By entering into a forward
foreign currency contract,  a portfolio "locks in" the exchange rate between the
currency it will  deliver and the  currency it will  receive for the duration of
the contract.  As a result,  a portfolio  reduces its exposure to changes in the
value of the currency it will deliver and  increases  its exposure to changes in
the value of the currency it will  exchange  into.  The effect on the value of a
portfolio  is similar to selling  securities  denominated  in one  currency  and
purchasing securities denominated in another. Contracts to sell foreign currency
would limit any  potential  gain which  might be realized by a portfolio  if the
value of the  hedged  currency  increases.  A  portfolio  may enter  into  these
contracts for the purpose of hedging against foreign  exchange risk arising from
the portfolio's  investment or anticipated  investment in securities denominated
in foreign  currencies.  A  portfolio  also may enter into these  contracts  for
purposes of increasing  exposure to a foreign  currency or to shift  exposure to
foreign  currency  fluctuations  from one country to another.  Although  forward
foreign  currency  contracts  typically  will  involve the purchase or sale of a
foreign  currency  against the dollar, a portfolio also may purchase or sell one
foreign currency forward against another foreign  currency.  A portfolio may use
one currency (or a basket of currencies) to hedge against adverse changes in the
value of another  currency (or a basket of  currencies)  (proxy)  when  exchange
rates between the two currencies are  positively  correlated.  There are certain
markets  where it is not  possible  to  engage  in  effective  foreign  currency
hedging.  This may be true,  for example,  for the  currencies  of various Latin
American  countries in which the foreign  exchange  markets are not sufficiently
developed to permit hedging activity to take place.

     Under  applicable  tax law, the  portfolios  may be required to limit their
gains  from  hedging  in  forward  foreign  currency  contracts.   Although  the
portfolios  are expected to comply with such  limits,  the extent to which these
limits apply is subject to tax  regulations  as yet  unissued.  Hedging may also
result in the application of the marked-to-market and straddle provisions of the
Internal  Revenue Code of 1986, as amended (the "Code").  Those provisions could
result in an increase (or decrease) in the amount of taxable  dividends  paid by
the  portfolios  and could affect  whether  dividends paid by the portfolios are
classified as capital gains or ordinary income.  Position hedging is the sale of
forward  foreign   currency  with  respect  to  portfolio   security   positions
denominated  in a foreign  currency.  A portfolio  will not speculate in forward
foreign exchange.

     A  portfolio's  dealings  in forward  foreign  exchange  will be limited to
hedging   involving  either  specific   transactions  or  portfolio   positions.
Transaction hedging is the purchase or sale of forward foreign currency to "lock
in" the  U.S.  dollar  price of a  security  purchased  or sold by a  portfolio.
Position  hedging  is the sale of  forward  foreign  currency  with  respect  to
portfolio security positions denominated in a foreign currency. A portfolio will
not speculate in forward foreign exchange.

     Employing  hedging  strategies  with forward  currency  contracts  does not
eliminate  fluctuations in the prices of portfolio  securities or prevent losses
if the prices of such securities  decline.  Forward foreign  currency  contracts
involve some  transactional  expense for a portfolio.  Although  forward foreign
currency  contracts  will be used  primarily to protect a portfolio from adverse
currency  movements,  they  also  involve  the risk  that  anticipated  currency
movements will not be accurately predicted, and a portfolio's total return could
be adversely affected as a result.


OPTIONS

     In pursuing their investment  objectives,  the Equity,  Bond, Managed,  and
LifeStyle  portfolios may engage in the writing (i.e.,  selling) of call options
("calls") in furtherance of its respective investment objective or objectives if
(1) after  any sale,  not more than 25% of that  portfolio's  total  assets  are
subject to calls; (2) the calls are traded on a domestic  securities exchange or
board of trade; and (3) the calls are "covered."

     The Equity,  Bond,  Managed  and  LifeStyle  portfolios  may also write put
options  ("puts") if (1) after any sale, the aggregate of the exercise prices of
all  outstanding  puts  written  by  the  portfolio  do  not  exceed  25% of the
portfolio's  total  assets;  (2) the puts are  traded on a  domestic  securities
exchange  or board of  trade;  and (3) the  puts  are  "secured."  Each of these
portfolios  may  purchase  a put  only  in a  closing  purchase  transaction  to
terminate an obligation on a put which it has written.

     A  portfolio  may  write  calls  and  puts  only if they are  "covered"  or
"secured."  In the case of a call on a security,  the option is "covered" if the
portfolio owns the security underlying the call or has an absolute and immediate
right to acquire that security  without  additional cash  consideration  (or, if
additional  cash  consideration  is required,  cash or cash  equivalents in such
amount are placed in a segregated  account by its Custodian)  upon conversion or
exchange  of other  securities  held by the  portfolio.  A put is secured if the
portfolio maintains cash, cash equivalents or U.S. Government  securities with a
value equal to the exercise price in a segregated  account or holds a put on the
same underlying security at an equal or greater exercise price.

     The  Equity  portfolio  may  purchase  a call  only in a  closing  purchase
transaction  to terminate  its  obligation  on a call which it has written.  The
Bond, Managed, and LifeStyle portfolios may also purchase calls on securities to
protect against substantial increases in prices of securities the

                                       -9-
<PAGE>


portfolio  intends to purchase  pending its ability to invest in such securities
in an orderly  manner.  A portfolio may sell calls it has previously  purchased,
which  could  result  in a net gain or loss  depending  on  whether  the  amount
realized  on the sale is more or less than the  premium  and  other  transaction
costs paid on the call which is sold.

     An option on a security is a contract  that gives the holder of the option,
in return for a  premium,  the right to buy from (in the case of a call) or sell
to (in the case of a put) the writer of the option the underlying  security at a
specified  exercise price at any time during the term of the option.  The writer
of an option on a security  has the  obligation  upon  exercise of the option to
deliver  the  underlying  security  (in the case of a call) upon  payment of the
exercise price or to pay the exercise price (in the case of a put) upon delivery
of the underlying security.

     If an option  written by a portfolio  expires  unexercised,  the  portfolio
realizes a capital gain equal to the premium received at the time the option was
written.  If  an  option  purchased  by a  portfolio  expires  unexercised,  the
portfolio  realizes  a capital  loss  equal to the  premium  paid.  Prior to the
earlier  of  exercise  or  expiration  of a  call,  it may be  closed  out by an
offsetting  purchase  of a call  option  of the  same  series  (type,  exchange,
underlying security, exercise price and expiration).

     The principal  factors  affecting the market value of a call include supply
and demand,  interest rates, the current market price of the underlying security
in  relation  to  the  exercise  price  of the  option,  the  volatility  of the
underlying security, and the time remaining until the expiration date.

     The premium  received for an option written by a portfolio is recorded as a
deferred credit. The value of the option is marked-to-market daily and is valued
at the  closing  price on the  exchange or board of trade on which it is traded,
or, if no closing price is available, at the mean between the last bid and asked
prices.


Risks  Associated  with Options

     The  purchase and writing of options  involves  certain  risks.  During the
option  period,  the  covered  call writer has, in return for the premium on the
option,  given  up the  opportunity  to  profit  from a  price  increase  in the
underlying  securities above the exercise price,  but, as long as its obligation
as a writer  continues,  has  retained  the risk of loss should the price of the
underlying  security  decline.  The writer of an option has no control  over the
time  when it may be  required  to  fulfill  its  obligation  as a writer of the
option.  If a call  option  purchased  by a  portfolio  is not sold  when it has
remaining value, and if the market price of the underlying security remains less
than or equal  to the  exercise  price,  the  portfolio  will  lose  its  entire
investment in the option.

     There can be no assurance  that a liquid market will exist when a portfolio
seeks to close out an option position. If a portfolio were unable to close out a
covered call option it had written on a security due to trading  restrictions or
suspensions are imposed on the options markets, it would not be able to sell the
underlying security. If a portfolio cannot effect a closing transaction, it will
not be able to sell the underlying  security while the previously written option
remains  outstanding,  even if it might otherwise be advantageous to do so. As a
writer of a covered call option, a portfolio forgoes,  during the option's life,
the  opportunity  to profit from  increases  in the market value of the security
covering the call option above the sum of the premium and the exercise  price of
the call.

     Since  option  premiums  paid or  received by a  portfolio,  as compared to
underlying  investments,  are  small in  relation  to the  market  value of such
investments,  buying call options offers large amounts of leverage,  which could
result in the portfolios' net asset value being more sensitive to changes in the
value of the underlying securities.


FUTURES CONTRACTS

     The  Bond and  Managed  portfolio  may  invest  in  interest  rate  futures
contracts  which are  standardized  and  traded on a U.S.  exchange  or board of
trade.  The  LifeStyle  portfolios  may invest in interest  rate and stock index
futures  contracts.  These  investments  may be made  solely for the  purpose of
hedging against  changes in the value of a portfolio's  securities or securities
intended to be purchased due to anticipated  changes in interest  rates,  market
conditions,  stock or currency  prices and not for  purposes of  speculation.  A
futures  contract  provides  for the future  sale by one party and  purchase  by
another  party of a specified  quantity of a  financial  instrument  or the cash
value of an index at a specified price and time. A futures  contract on an index
is an agreement  pursuant to which two parties agree to take or make delivery of
an amount of cash equal to the difference  between the value of the index at the
close of the last  trading day of the  contract and the price at which the index
contract  originally  was  written.  Although  the value of an index  might be a
function of the value of certain specified  securities,  no physical delivery of
these securities is made. A public market exists in futures  contracts  covering
various  financial  instruments  including U.S.  Treasury bonds,  U.S.  Treasury
notes, GNMA  certificates,  three-month U.S.  Treasury bills,  90-day commercial
paper, bank certificates of deposit, and Eurodollar certificates of deposit.

     The LifeStyle  portfolios may also invest in futures contracts on exchanges
located outside of the United States.  Foreign markets may offer advantages such
as trading  in  indices  that are not  currently  traded in the  United  States.
Foreign markets, however, may have greater risk potential than domestic markets.
Unlike trading on domestic  commodity  exchanges,  trading on foreign  commodity
exchanges is not regulated by the Commodity Futures Trading Commission ("CFTC").
Foreign  exchanges  generally are principal  markets so that no common  clearing
facility  exists,  and a portfolio  might be able to look only to the broker for

                                     -10-
<PAGE>

performance  of the contract.  Amounts  received for foreign  futures may not be
provided the same  protection as funds  received in respect of  transactions  on
United States futures exchanges. Trading in foreign futures contracts may not be
afforded certain of the protective measures provided by U.S. law and regulation,
including  the  right  to  use  reparations  proceedings  before  the  CFTC  and
arbitration  proceedings  provided by the National  Futures  Association  or any
domestic  futures  exchange.  In addition,  any profits  that a portfolio  might
realize in trading could be  eliminated by adverse  changes in the exchange rate
of the currency in which the transaction is denominated. Transactions on foreign
exchanges may include both commodities that are traded on domestic  exchanges or
boards of trade and those that are not.

     As a hedging strategy,  a portfolio might purchase an interest rate futures
contract when it is not fully invested in long-term  debt  securities but wishes
to defer their purchase for some time until it can invest in such  securities or
because short-term yields are higher than long-term yields.  Such purchase would
enable a portfolio to earn the income on a short-term security while at the same
time  minimizing the effect of all or part of an increase of the market price of
the  long-term  debt security  which the  portfolio  intended to purchase in the
future.  A portfolio  would sell an interest  rate futures  contract in order to
continue to receive the income from a long-term debt security while  endeavoring
to avoid part or all of the decline in market value of that security which would
accompany an increase in interest rates. Although other techniques could be used
to reduce a portfolio's exposure to interest rate fluctuations,  a portfolio may
be able to hedge its exposure  more  effectively  and perhaps at a lower cost by
using futures contracts.

     The  LifeStyle  portfolios  may  purchase  and  sell  stock  index  futures
contracts to hedge their securities portfolios. A LifeStyle portfolio may engage
in transactions  in futures  contracts only in an effort to protect it against a
decline in the value of the  portfolio's  securities or an increase in the price
of securities that the portfolio  intends to acquire.  For example,  a LifeStyle
portfolio may sell stock index futures to protect against a market decline in an
attempt  to  offset  partially  or  wholly a  decrease  in the  market  value of
securities that the LifeStyle portfolio intends to sell.  Similarly,  to protect
against a market  advance when the LifeStyle  portfolio is not fully invested in
the securities market, the LifeStyle  portfolio may purchase stock index futures
that may partly or entirely offset  increases in the cost of securities that the
portfolio intends to purchase.

     A portfolio will only enter into futures  contracts which are  standardized
and traded on an exchange,  board of trade, or similar entity.  A portfolio will
not enter into a futures  contract if immediately  thereafter the initial margin
deposits for futures  contracts  held by the portfolio  plus premiums paid by it
for open futures option  positions,  less the amount by which any such positions
are "in-the-money," would exceed 5% of the portfolio's total assets.

     If a purchase  or sale of a futures  contract is made by a  portfolio,  the
portfolio  is  required to deposit  with its  Custodian  (or broker,  if legally
permitted) a specified amount of cash or U.S.  Government  securities  ("initial
margin").  The margin required for a futures  contract is set by the exchange on
which  the  contract  is  traded  and may be  modified  during  the  term of the
contract.  The  initial  margin is in the nature of a  performance  bond or good
faith deposit on the futures  contract  which is returned to the portfolio  upon
termination  of the contract,  assuming all  contractual  obligations  have been
satisfied.  Each  investing  portfolio  expects to earn  interest  income on its
initial margin deposits.  A futures contract held by a portfolio is valued daily
at the official settlement price of the exchange on which it is traded. Each day
the portfolio pays or receives  cash,  called  "variation  margin," equal to the
daily  change  in  value  of the  futures  contract.  This  process  is known as
"marking-to-market."  Variation margin does not represent a borrowing or loan by
a portfolio  but is instead  settlement  between the portfolio and the broker of
the amount one would owe the other if the futures contract expired. In computing
daily net asset  value,  each  portfolio  will  mark-to-market  its open futures
positions.

     When  purchasing a futures  contract,  a portfolio  must  maintain with its
Custodian (or broker, if legally permitted) cash, U.S. Government securities, or
other liquid high grade debt  obligations  (including  any margin)  equal to the
market value of such contract. When writing a futures contract, a portfolio must
maintain with its Custodian cash, U.S.  Government  securities,  or other liquid
high grade debt  obligations  that,  when added to the amounts  deposited with a
futures  commission  merchant or broker as margin, are equal to the market value
of the  instruments  underlying  the  contract.  Alternatively,  a portfolio may
"cover" its  position by owning the  instruments  underlying  the  contract,  or
holding a call permitting the portfolio to purchase the same futures contract at
a price no higher than the price of the contract written by the portfolio (or at
a higher  price if the  difference  is  maintained  in  liquid  assets  with its
Custodian).

     Generally,  under  futures  contracts  obligations  are closed out prior to
delivery by offsetting  purchases or sales of matching  futures  contracts (same
exchange, underlying index, and delivery month). If an offsetting purchase price
is less than the original sale price, the portfolio  realizes a capital gain, or
if it is  more,  the  portfolio  realizes  a  capital  loss.  Conversely,  if an
offsetting sale price is more than the original  purchase  price,  the portfolio
realizes a capital  gain,  or if it is less,  the  portfolio  realizes a capital
loss. The transaction costs must also be included in these calculations.

Limitations

     A  portfolio  will  not  enter  into a  futures  contract  if,  immediately
thereafter,  the initial  margin  deposits  for futures  contracts  held by that
portfolio would exceed 5% of the portfolios' total assets.

     A portfolio may not maintain open short positions in futures  contracts if,
in the aggregate, the  market value of all such

                                      -11-
<PAGE>


open positions  exceeds the current value of its portfolio  securities,  plus or
minus  unrealized  gains and  losses  on the open  positions,  adjusted  for the
historical relative volatility of the relationship between the portfolio and the
positions.

     The fund will comply with  certain  regulations  of the  Commodity  Futures
Trading  Commission,  under  which an  investment  company may engage in futures
transactions  and qualify for an exclusion from being a "commodity  pool," which
require a  portfolio  to  invest  in  futures  contracts  for bona fide  hedging
purposes,  or alternatively,  to set aside cash and short-term  obligations with
respect to long positions in a futures contract.  Under these  regulations,  the
"underlying  commodity value" (the size of the contract  multiplied by the daily
settlement  price of the contract) of each long position in a commodity  futures
contract in which a portfolio may invest may not at any time exceed the sum of:

(1) the  value  of  short-term  U.S.  debt  obligations  or other  U.S.  dollar-
denominated high quality  short-term money market instruments and cash set aside
in an identifiable manner, plus any funds deposited as margin on the contract;

(2) unrealized appreciation on the contract held by the broker; and

(3) cash proceeds from existing investments due in not more than 30 days.

     The  fund   reserves  the  right  to  engage  in  other  types  of  futures
transactions in the future and to use futures for other than hedging purposes to
the  extent  permitted  by  regulatory  authorities.  If other  types of futures
contracts  are traded in the future,  a portfolio  may also use such  investment
techniques,  provided that the Board of Directors  determines  that their use is
consistent with the portfolio's investment objective or objectives.

Risks Associated with Futures

     There are several  risks  associated  with the use of futures  contracts as
hedging  techniques.  A  purchase  or sale of a futures  contract  may result in
losses in excess of the amount  invested in the futures  contract.  There can be
significant  differences  between the  securities  or  currency  markets and the
futures  markets  that could  result in an  imperfect  correlation  between  the
markets,  causing a given  hedge not to  achieve  its  objective.  The degree of
imperfection  of  correlation  depends on  circumstances  such as  variations in
speculative  market demand for interest rate or stock index  futures,  including
technical  influences in futures trading,  and differences between the portfolio
securities  being hedged and the  instruments  underlying the hedging vehicle in
such  respects  as  interest  rate  levels,  maturities,   conditions  affecting
particular  industries  and  creditworthiness  of issuers.  While a  portfolio's
hedging  transactions may protect the portfolio against adverse movements in the
general level of interest rates or stock or currency prices,  such  transactions
could also preclude the  opportunity to benefit from favorable  movements in the
level of interest rates or stock or currency  prices.  A decision as to whether,
when and how to hedge  involves  the  exercise of skill and  judgment and even a
well-conceived  hedge  may be  unsuccessful  to some  degree  because  of market
behavior or unexpected  interest rate trends.  The  successful use of futures is
dependent  on the  adviser's  or  sub-adviser's  ability  to  predict  correctly
movements in the  direction  of the stock  market and no assurance  can be given
that the adviser's or sub-adviser's judgment in this respect will be correct.

     The price of futures contracts may not correlate perfectly with movement in
the underlying security or stock index, due to certain market distortions.  This
might  result from  decisions  by a  significant  number of market  participants
holding  stock index  futures  positions  to close out their  futures  contracts
through offsetting  transactions rather than to make additional margin deposits.
Also,  increased  participation  by  speculators in the futures market may cause
temporary  price  distortions.  These  factors may  increase the  difficulty  of
effecting a fully successful hedging transaction, particularly over a short time
frame.  If  a  hedging  transaction  is  not  successful,  the  portfolio  might
experience  losses  which it would not have  incurred if it had not  established
futures positions.

     Futures exchanges may limit the amount of fluctuation  permitted in certain
futures contract prices during a single trading day. The daily limit establishes
the maximum  amount that the price of a futures  contract  may vary either up or
down from the previous day's  settlement price at the end of the current trading
session.  Once the daily limit has been reached in a futures contract subject to
the limit,  no more trades may be made on that day at a price beyond that limit.
The daily limit governs only price movements during a particular trading day and
therefore does not limit potential  losses because the limit may work to prevent
the  liquidation  of  unfavorable  positions.  For example,  futures prices have
occasionally moved to the daily limit for several  consecutive trading days with
little or no trading,  thereby  preventing  prompt  liquidation of positions and
subjecting some holders of futures contracts to substantial losses.

     There can be no assurance  that a liquid market will exist at a time when a
portfolio  seeks to close out a futures  position.  When such a market  does not
exist, the portfolio  remains  obligated to meet margin  requirements  until the
position is closed.


FOREIGN SECURITIES

     The Tactical  Asset  Allocation  and the LifeStyle  portfolios may purchase
certain foreign securities and American Depositary  Receipts ("ADRs").  ADRs are
dollar-denominated receipts issued generally by domestic banks and represent the
deposit  with the bank of a  security  of a foreign  issuer.  ADRs are  publicly
traded on exchanges or  over-the-counter  in the United  States.  Securities  of
foreign  issuers  include  debt  securities  of  foreign  governments  and their
agencies, when these securities meet applicable

                                      -12-
<PAGE>


standards  of  selection.   A  portfolio  may  concentrate  its  investments  in
securities  of issuers of one or more  foreign  countries.  The  Tactical  Asset
Allocation  portfolio  may also  invest up to 25% of its total  assets in equity
securities of foreign issuers. It is anticipated that most of the Tactical Asset
Allocation  portfolio's  investments  in securities  of foreign  issuers will be
American  Depositary  Receipts  (ADRs).  The Equity portfolio may also invest in
ADRs.

Risks of Foreign Securities

     Investments in foreign  securities,  particularly those of non-governmental
issuers,  involve  considerations  which  are  not  ordinarily  associated  with
investing  in  domestic  issuers.  These  considerations  include  political  or
economic instability of the issuer or of the country of issue, the difficulty of
predicting  international  trade  patterns,  fluctuating  exchange rates and the
possibility  of  imposition  of exchange  controls.  Foreign  securities  may be
subject to foreign  government taxes which would reduce the income yield on such
securities. Such securities may also be subject to greater fluctuations in price
than  securities  of  domestic  corporations  or of  the  U.S.  Government,  the
possibility of expropriation, the unavailability of financial information or the
difficulty  of  interpreting   financial   information  prepared  under  foreign
accounting  standards.  In  addition,  there  may  be  less  publicly  available
information  about a foreign  company  than  about a domestic  company.  Foreign
companies  generally  are  not  subject  to  uniform  accounting,  auditing  and
financial  reporting  standards  comparable  to  those  applicable  to  domestic
companies.  There is generally less  government  regulation of stock  exchanges,
brokers and listed companies abroad than in the United States, and, with respect
to certain foreign countries,  there is a possibility of confiscatory  taxation,
or diplomatic  developments which could affect investment in those countries. It
is possible that market  quotations for foreign  securities  will not be readily
available.  In such event, these securities shall be valued at fair market value
as determined in good faith by Dean Investment Associates or Credit Suisse under
the  supervision  of the Board of  Directors  of the fund.  If it should  become
necessary,  a portfolio could encounter  greater  difficulties in invoking legal
processes abroad than would be the case in the United States.  Transaction costs
with respect to foreign securities may be higher. Dean Investment Associates and
Credit Suisse will consider these and other factors before  investing in foreign
securities.

     The  LifeStyle  portfolios  may  invest a  portion  of their  international
holdings in securities  of issuers in emerging  market  (developing)  countries.
Investing in emerging market countries involves  significantly  higher risk than
investing  in  countries  with  developed  markets  as a result  of  uncertainty
regarding the companies and the markets in which they operate. Securities prices
can be more  volatile  than in  developed  countries  as a  result  of  investor
concerns regarding the stability of the government, internal economic pressures,
and the impact of external economic factors. In addition,  securities markets in
emerging  market  countries  may trade a small number of  securities  and may be
unable to  respond  effectively  to  increases  in trading  volume,  potentially
resulting in a lack of liquidity  and in  volatility  in the price of securities
traded on those markets.  Also,  securities markets in emerging market countries
typically offer less regulatory protection for investors.


OTHER INVESTMENT COMPANIES

     Each of the  portfolios  may  invest in shares  issued by other  investment
companies. The LifeStyle portfolios,  subject to SEC approval,  intend to invest
an unlimited portion of their assets in other investment companies. The Tactical
Asset  Allocation  portfolio  may invest up to 10% of its total  assets in money
market  funds,  within  limits  imposed by the 1940 Act upon  investment  by the
portfolio in other investment  companies.  If the forecasting models employed by
the sub-adviser of the Tactical Asset Allocation  portfolio predict a decline in
the stock market, the sub-adviser expects to reduce equity exposure and increase
the  portfolio's  cash  position,  including  investment  in money market funds.
Except for the  LifeStyle  portfolios,  a portfolio  is limited in the degree to
which it may invest in shares of another  investment company in that it may not,
at the time of the purchase,  (1) acquire more than 3% of the outstanding voting
shares of the  investment  company,  (2) invest more than 5% of the  portfolio's
total  assets in the  investment  company,  or (3)  invest  more than 10% of the
portfolio's total assets in all investment company holdings. As a shareholder in
any  investment  company,  a  portfolio  will  bear  its  ratable  share  of the
investment  company's  expenses,  including  management  fees  in the  case of a
management investment company.


ZERO COUPON AND STEP COUPON SECURITIES

     The Bond, Managed, Tactical Asset Allocation,  and the LifeStyle portfolios
may invest in zero coupon,  strips, and step coupon securities.  Zero coupon and
step coupon bonds do not make regular interest payments; instead they are issued
and traded at a discount from their face amounts. They do not entitle the holder
to any  periodic  payment of interest  prior to maturity or prior to a specified
date when the securities begin paying current  interest.  Principal and accredit
discount  (representing  interest  accrued  but not paid) are paid at  maturity.
"Strips"  are debt  securities  that are  stripped of their  interest  after the
securities are issued,  but otherwise are  comparable to zero coupon bonds.  The
issuers of all zero coupon bonds,  and the obligor of all "strips"  purchased by
the   portfolio,   will   be  the   U.S.   Government   and  its   agencies   or
instrumentalities.  The market value of "strips" and zero coupon bonds generally
fluctuates  in response to changes in  interest  rates to a greater  degree than
interest-paying securities of comparable term and quality. The discount from the
face  amount or par value  depends on the time  remaining  until  cash  payments
begin,  prevailing interest rates,  liquidity of the security, and the perceived
credit quality of the issuer.

     Current Federal income tax law requires  holders of zero coupon  securities
and step coupon securities to report the

                                      -13-
<PAGE>


portion of the original issue discount on such securities that accrues that year
as interest income, even though the holders receive no cash payments of interest
during the year. In order to qualify as a "regulated  investment  company" under
the Code, a portfolio must  distribute its investment  company  taxable  income,
including  the  original  issue  discount  accrued on zero coupon or step coupon
bonds.

     Generally,  the market prices of zero coupon and step coupon securities are
more volatile than the prices of securities that pay interest  periodically  and
in cash and are likely to respond  to  changes  in  interest  rates to a greater
degree than other types of debt securities having similar  maturities and credit
quality.


ILLIQUID AND RESTRICTED SECURITIES

     A portfolio may invest in an illiquid or restricted security if the adviser
or sub-adviser believes that it presents an attractive  investment  opportunity.
Generally,  a security is considered illiquid if it cannot be disposed of within
seven days in the  ordinary  course of business at  approximately  the amount at
which a portfolio has valued the  security.  Its  illiquidity  might prevent the
sale of such a security at a time when the adviser or sub-adviser  might wish to
sell, and these securities could have the effect of decreasing the overall level
of a portfolio's  liquidity. A portfolio may be subject to significant delays in
disposing of illiquid  securities,  and transactions in illiquid  securities may
entail  registration  expenses and other  transaction costs that are higher than
those for transactions in liquid securities. Further, the lack of an established
secondary  market  may  make it more  difficult  to value  illiquid  securities,
requiring  the fund to rely on  judgments  that may be  somewhat  subjective  in
determining  value,  which  could vary from the amount  that a  portfolio  could
realize upon disposition.

     Restricted securities,  including private placements,  are subject to legal
or contractual restrictions on resale. They can be eligible for purchase without
SEC  registration  by  certain  institutional   investors  known  as  "qualified
institutional  buyers," and under the fund's procedures,  restricted  securities
could be treated as liquid. However, some restricted securities may be illiquid,
and restricted  securities  that are treated as liquid could be less liquid than
registered securities traded on established secondary markets. The Equity, Bond,
Money Market, Tactical Asset Allocation, and the LifeStyle portfolios may invest
up to 10% of the total assets of the portfolio in illiquid securities,  measured
at the time of investment.


LENDING OF PORTFOLIO SECURITIES

     The  portfolios  may,  from  time  to  time,  lend  securities  from  their
portfolios  to  brokers,  dealers  and  financial  institutions  and  receive as
collateral cash or U.S. Treasury securities which at all times while the loan is
outstanding  will be maintained in amounts equal to at least 100% of the current
market value of the loaned  securities.  Any cash collateral will be invested in
short-term  securities.  Such loans may not have terms  longer  than 30 days and
will be terminable at any time. The  portfolios may also pay reasonable  fees to
persons unaffiliated with the portfolios for services in arranging such loans.


                            Investment Restrictions

     Each  portfolio's  investment  objective or  objectives as set forth in the
prospectus under "The Portfolios" together with the investment  restrictions set
forth below, are fundamental  policies of each existing portfolio and may not be
changed with respect to any portfolio  without the approval of a majority of the
outstanding  voting  shares of that  portfolio.  The vote of a  majority  of the
outstanding  voting shares of a portfolio means the vote at an annual or special
meeting of the lesser  of: (a) 67% or more of the voting  securities  present at
such meeting,  if the holders of more than 50% of the outstanding  voting shares
of such portfolio are present or  represented by proxy;  or (b) more than 50% of
the outstanding voting securities of such portfolio.  Under these  restrictions,
an existing portfolio may not:

(1) Invest in a security if, with respect to 75% of its total assets,  more than
5% of its total assets  (taken at market  value at the time of such  investment)
would  be  invested  in the  securities  of any one  issuer,  except  that  this
restriction does not apply to U.S. Government securities.

(2) Invest in a security  if, with  respect to 75% of its assets,  it would hold
more than 10% (taken at the time of such  investment) of the outstanding  voting
securities  of any one issuer,  except that this  restriction  does not apply to
U.S. Government securities.

(3) Invest in a security if more than 25% of its total  assets  (taken at market
value at the time of such  investment)  would be invested in the  securities  of
issuers in any particular industry,  except that this restriction does not apply
(a) to  U.S.  Government  securities  (or  repurchase  agreements  with  respect
thereto),  and (b) with respect to the Money Market and Managed  portfolios,  to
securities  or  obligations  (other than  commercial  paper)  issued by domestic
branches of U.S. banks.

(4)  Purchase  or sell  real  estate,  except  that a  portfolio  may  invest in
securities  secured  by real  estate  or real  estate  interests  or  issued  by
companies  in the real estate  industry  or which  invest in real estate or real
estate interests.

(5) Purchase securities on margin (except for use of short-term credit necessary
for  clearance  of  purchases  and  sales  of  portfolio  securities),  except a
portfolio engaged in transactions in options and futures, and options on futures
may make margin deposits in connection with those transactions.

                                      -14-
<PAGE>


(6) Issue senior securities, except insofar as a portfolio may be deemed to have
issued a senior  security by reason of borrowing  money in accordance  with that
portfolio's borrowing policies. For purposes of this investment restriction, the
writing of stock options, and collateral  arrangements with respect to margin or
other deposits respecting futures contracts, and related options, are not deemed
to be an issuance of a senior security.

(7) Act as an  underwriter  of  securities  of other  issuers,  except,  when in
connection  with the  disposition  of portfolio  securities,  a portfolio may be
deemed to be an underwriter under the federal securities laws.

(8) Make short sales of securities, except short sales against the box.

(9) Borrow money or pledge,  mortgage,  or hypothecate its assets, except that a
portfolio  may (a)  borrow  from  banks  for  temporary  purposes,  but any such
borrowing is limited to an amount equal to 25% of a portfolio's net assets and a
portfolio  will not purchase  additional  securities  while  borrowing  funds in
excess  of 5% of that  portfolio's  net  assets;  and  (b)  enter  into  reverse
repurchase  agreements and  transactions  in options,  and interest rate futures
contracts, stock index futures contracts, other futures contracts based on other
financial  instruments,  and  options  on  such  futures  contracts.  For  these
purposes,  the  deposit of assets in escrow in  connection  with the  writing of
covered put and call options and the purchase of securities  on a  "when-issued"
or delayed delivery basis and collateral arrangements with respect to initial or
variation  margin and other  deposits  for  futures  contracts,  and  options on
futures contracts, will not be deemed to be pledges of a portfolio's assets.

(10) Invest in securities that are illiquid because they are subject to legal or
contractual  restrictions on resale, in repurchase  agreements  maturing in more
than seven days, or other securities  which in the  determination of the adviser
are  illiquid  if,  as a result of such  investment,  more than 10% of the total
assets of the portfolio  (taken at market value at the time of such  investment)
would be invested in such securities.

(11) Purchase or sell  commodities  or  commodities  contracts,  except that any
portfolio may engage in transactions in interest rate futures  contracts,  stock
index futures  contracts,  and other futures  contracts based on other financial
instruments, and on options on such futures contracts.

     To the extent a portfolio covers its commitment under a reverse  repurchase
agreement  (or  economically  similar  transaction)  by  the  maintenance  of  a
segregated  account  consisting of assets  determined to be liquid in accordance
with  procedures  adopted by the directors,  equal in value to the amount of the
portfolio's commitment to repurchase, such an agreement will not be considered a
"senior  security"  by the  portfolio  and  therefore  will  not be  subject  to
investment restriction no. 6.


                             Management of the Fund

Directors and Officers

     Information  pertaining  to the  directors  and officers of the fund is set
forth below.

    Name, Position,                             Principal Occupation During
    and Age in 2000                                 the Past Five Years
    -----------------                           ---------------------------

    R. Stephen Radcliffe*, age 55               Executive Vice President, AUL
      Chairman of the Board & President           (2/1994 to Present)

    Dr. Ronald D. Anderson, age 61, Director    Professor: School of Business,
      Indiana University, Indianapolis            Indiana University,
      801 W. Michigan St.                         Indianapolis, Indiana
      Indianapolis, IN 46223

    Dr. Leslie Lenkowsky, age 54, Director      Professor: Indiana University
      Indiana University Center of Philanthropy   Center of Philanthropy
      550 W. North St., Suite 301                   (9/1997 to present)
      Indianapolis, IN 46202                      President, Hudson Institute
                                                    (6/1990 - 9/1997)

    Constance E. Lund*, age 46, Treasurer       Senior Vice President,
                                                  Corporate Finance, AUL
                                                    (1/2000 - present)
                                                  Vice President, Reporting and
                                                    Research, AUL (6/95-1/2000)
                                                  Vice President & Controller,
                                                    State Life Insurance Co.
                                                    (6/85 - 6/95)

    James W. Murphy*, age 64                    Senior Vice President, AUL
      Vice President and Director                 (3/1979 - 4/2000)
      11800 Pebblepointe Pass
      Carmel, IN 46033

    James P. Shanahan*, age 67                  Senior Vice President, Pension
      Director                                    Operations, AUL
      11103 Sloop Ct.                             (1/1984 - 1/1998)
      Indianapolis, IN  46236

    Richard A. Wacker*, age 52                  Associate General Counsel, AUL,
      Secretary                                   (10/92 to present)


*Because  of their  positions  as  stated  above,  Ms.  Lund,  Mr.  Murphy,  Mr.
Radcliffe,  Mr. Shanahan and Mr. Wacker are "interested persons" of the fund, as
defined in the 1940 Act.  With the  exception of Mr.  Shanahan  and Mr.  Murphy,
whose  addresses  are  listed  above,  the  business  address  for each of these
individuals is One American Square, Indianapolis, Indiana 46282.

                                      -15-
<PAGE>

Compensation of Directors

     The fund pays those  directors  who are not  officers or employees of AUL a
fee of $4,500 per year plus $450.00 per board  meeting  attended.  The fund also
pays travel expenses incurred by all directors to attend Board meetings.  During
the fiscal year ended December 31, 1999, the fund paid fees aggregating  $18,450
to all  directors  who are not  "interested  persons" of the fund.  AUL pays all
salaries,  fees,  and  expenses of any officer or director of the fund who is an
officer or employee of AUL. As of the end of the 1999 fiscal year,  the officers
and directors, as a group, have no interest in any contracts which would entitle
them to give voting instructions for any portfolio.

The Investment Adviser

     American  United Life  Insurance  Company(R)  serves as adviser to the fund
pursuant to an Investment  Advisory agreement (the agreement) between it and the
fund.  The  adviser is  responsible  for  administering  affairs of the fund and
supervising  the  investment  program  for the  portfolios  in  accordance  with
applicable  laws and  regulations.  The adviser  also  furnishes to the Board of
Directors,  which has overall responsibility for the business and affairs of the
fund, periodic reports on the investment performance of each portfolio.

     The  agreement  with the  adviser,  dated  March 8,  1990,  was  originally
approved  by a majority  of the fund's  directors,  including  a majority of the
directors who are not parties to the agreement or interested persons of any such
party  (the  "independent  directors").  Subsequently,  on  May  10,  1991,  the
agreement  was  approved by a majority of the fund's  shareholders  at a meeting
called for the purpose of voting on the approval of the agreement.  From year to
year  thereafter,   the  agreement  will  continue  in  effect,   provided  such
continuance  is approved  at least  annually by (1) the holders of a majority of
the outstanding voting securities of the fund or by the Board and (2) a majority
of the independent directors.  The agreement will terminate automatically in the
event of its assignment, and it may be terminated without penalty on sixty days'
written notice by the Board,  or pursuant to a majority vote, in accordance with
the 1940 Act,  of the  persons  entitled  to vote in  respect  to the fund.  The
advisory  agreement was last approved by the Board,  including a majority of the
independent  directors,  on February 2, 2000 for a one year period ending at the
regularly  scheduled  meeting of the Board held in the first quarter of 2001, or
if there is no  regularly  scheduled  meeting of the Board held during the first
quarter of 2001, then until the next regularly scheduled meeting of the Board of
Directors held thereafter.

     At the fund's request, the adviser provides, without charge, personnel (who
may  be  the  fund's   officers)  to  render   certain   clerical,   accounting,
administrative  and other  services to the fund as may be requested.  Also,  the
adviser furnishes to the fund, without additional  charge,  such  administrative
and management supervision and office facilities (which may be the adviser's own
offices) as the adviser may believe  appropriate  or as the fund may  reasonably
request.  However,  the fund may also hire its own  employees  and  contract for
services to be performed by third parties.

     The fund pays the adviser a fee for its services under the agreement  based
on an annual  percentage of the average daily net assets of each portfolio.  The
fund pays the  adviser a monthly  fee at an annual  rate of .50% of the  average
daily net assets for each of the Equity portfolio,  Bond portfolio,  and Managed
portfolio;  .40% for the Money Market  portfolio;  .80% for the  Tactical  Asset
Allocation  portfolio;  and .70% for each of the LifeStyle  portfolios.  For the
years ended  December 31, 1999,  1998, and 1997,  respectively,  the adviser was
entitled  to receive  (or did  receive)  the  following  advisory  fees from the
portfolios:   $470,603,  $447,358,  and  $328,408  from  the  Equity  portfolio;
$255,839,  $209,661, and $154,861 from the Bond portfolio;  $428,207,  $332,382,
and $235,934 from the Money Market portfolio;  $367,232,  $339,371, and $258,903
from the Managed  portfolio;  $49,481,  $45,828,  and $16,830  from the Tactical
Asset  Allocation  portfolio.  For the year ended December 31, 1999, and for the
period from the inception of the LifeStyle  portfolios on March 31, 1998 through
December  31,  1998,  respectively,  the adviser was entitled to receive (or did
receive) $45,498 and $29,203 from the Conservative  Investor portfolio,  $51,681
and $30,065 from the Moderate Investor  portfolio,  and $50,509 and $29,155 from
the Aggressive Investor portfolio.

     As of December 31, 1999,  the percentage of the  outstanding  voting shares
owned by AUL and  held in its  general  account  were as  follows:  5.61% of the
Equity portfolio,  11.76% of the Tactical Asset Allocation portfolio,  77.97% of
the Conservative Investor portfolio,  67.14% of the Moderate Investor portfolio,
and  68.78% of the  Aggressive  Investor  portfolio.  As of the same  date,  the
directors and officers of the fund, as a group, owned less than 1% of the fund's
shares or the shares of any portfolio.


     The  adviser  conducts a  conventional  life  insurance,  reinsurance,  and
annuity  business,  and manages pension and other  accounts.  As of December 31,
1999, the adviser had assets of $10,577,535,000 and had a policyholders' surplus
of  $739,224,931.  The  adviser  is  registered  with  the SEC as an  investment
adviser.  Such  registration  does  not  involve  supervision  by the  SEC  over
investment advice.


The Sub-Advisers

     Dean  Investment   Associates,   ("Dean")  a  division  of  C.H.  Dean  and
Associates,  Inc.,  serves as the sub-adviser for the Tactical Asset  Allocation
portfolio  pursuant  to  a  sub-advisory  agreement  dated  May  15,  1995.  The
sub-advisory  agreement  initially was approved by the Board of Directors of the
fund, including a majority of the directors who are not parties to the agreement
or  "interested  persons"  of any such party (as defined in the 1940 Act) on May
12, 1995.  Credit Suisse Asset  Management,  serves as the  sub-adviser  for the
growth-oriented equity and foreign equity portions

                                      -16-
<PAGE>

of each LifeStyle portfolio pursuant to a sub-advisory agreement which initially
was approved by the Board of Directors of the fund,  including a majority of the
directors  who are not parties to the agreement or  "interested  persons" of any
such party (as defined in the 1940 Act) on February 10, 1998. Both  sub-advisory
agreements were last approved by the Board of Directors of the fund, including a
majority of the directors  who are not parties to the  agreement or  "interested
persons" of any such party,  on February 2, 2000 for a one year period ending at
the regularly  scheduled meeting of the Board held in the first quarter of 2001,
or if there is no regularly scheduled meeting of the Board held during the first
quarter of 2001, then until the next regularly scheduled meeting of the Board of
Directors held thereafter.  The sub-advisory  agreements  provide that they will
continue in effect from year to year thereafter if approved  annually (a) by the
Board of Directors of the fund or by a majority of the outstanding shares of the
portfolio,  and (b) by a majority of the  directors  who are not parties to such
agreement or "interested persons" of any such party. The sub-advisory agreements
may be terminated  without  penalty on 60 days' written  notice at the option of
the fund or AUL and upon six  months'  written  notice at the  option of Dean or
Credit  Suisse,  and  will  terminate   automatically  in  the  event  that  the
sub-advisory  agreements are assigned. For its services, Dean receives fees from
the  adviser in the amount of (1) 68.75% of the  advisory  fees  received by the
adviser with respect to the Tactical Asset Allocation  portfolio,  minus (2) 50%
of the  amount  of any  excess  expenses  paid by the  adviser  on behalf of the
portfolio  pursuant to the expense  guarantee.  For the years ended December 31,
1999,  1998,  and 1997,  Dean was entitled to receive (or did receive)  $34,018,
$31,506,  and $11,571 from the adviser.  For its  services,  Credit  Suisse also
receives fees from the adviser as follows:  (a) for domestic equity  securities:
0.60% on the first $25  million  of  assets,  0.55% on the next $25  million  of
assets,  0.50% on the next $25 million of assets, and 0.45% thereafter,  and (b)
for international  equities:  0.80% on the first $25 million of assets, 0.70% on
the next $25  million  of  assets,  and 0.60%  thereafter.  For the years  ended
December 31, 1999,  and for the period since March 31, 1998,  the inception date
of the LifeStyle  portfolios to December 31, 1998,  respectively,  Credit Suisse
was entitled to receive (or did receive) $29,467 and $23,200 from the adviser.

     Subject  to  the  supervision  of the  adviser  and  the  fund's  Board  of
Directors,  each  sub-adviser  is responsible  for the actual  management of the
portfolio or portion thereof, for which it serves as sub-adviser, and for making
decisions to buy, sell, or hold any particular security, and it places orders to
buy or sell securities on behalf of the portfolio.  The sub-advisory  agreements
may be terminated by the  sub-advisers  by notifying AUL, or by AUL by notifying
the fund's  Board of Directors or by  shareholder  action.  In the event that an
agreement with a sub-adviser is terminated,  AUL may assume portfolio management
responsibilities.


                                 Fund Expenses

General Expenses of the Fund

     The fund is responsible for bearing all costs of its operations. Such costs
include fees to the adviser,  shareholder  servicing costs,  directors' fees and
expenses,  legal and auditing  fees,  custodian  fees,  registration  fees,  and
others.  Sub-advisory fees paid to Dean Investment  Associates and Credit Suisse
are  borne  by the  adviser  and  not the  portfolios.  Fund  expenses  directly
attributable  to a portfolio are charged to that  portfolio;  other expenses are
allocated proportionately among all the portfolios in relation to the net assets
of each  portfolio.  The  adviser  has  currently  agreed to reduce its fee with
respect to a  portfolio  to the extent  necessary  to  prevent  the  portfolio's
ordinary operating expenses from exceeding 1.0% of the portfolio's average daily
net  assets  during  the  year.  In the  event  that  this  fee  arrangement  is
insufficient to prevent a portfolio's aggregate ordinary operating expenses from
exceeding 1.0% of the portfolio's  average daily net assets during the year, the
adviser  has  further  agreed to assume a  portfolio's  expenses  to the  extent
necessary to limit such  expenses to 1.0% of the  portfolio's  average daily net
assets during the year. Ordinary operating expenses include the advisory fee but
do not include interest,  taxes,  brokerage  commissions and other transactional
expenses  and,  if any,  legal  claims  and  liabilities,  litigation  costs and
indemnification payments in connection with litigation,  and other extraordinary
expenses.  If the adviser has reduced its fee with respect to a portfolio in any
given year, in any of the next five  succeeding  years in which the  portfolio's
ordinary  operating expenses do not exceed 1.0% of average daily net assets, the
adviser's  fee will be  increased  with  respect to that  portfolio by an amount
equal to any prior fee reduction; provided that such fee increase does not cause
the  portfolio's  expenses to exceed 1.0% of the  portfolio's  average daily net
assets in that year.  The adviser may  terminate  the policy of reducing its fee
and/or  assuming fund expenses upon 30 days written  notice to the fund and such
policy will be terminated  automatically  by the  termination  of the Investment
Advisory  agreement.  During 1999, AUL reduced its advisory fee for the Tactical
Asset Allocation and the LifeStyle Portfolios.

                                      -17-
<PAGE>


Portfolio Expenses

     On  December 31 of the years 1999 to 1991 and for the period from April 10,
1990 (the date the fund  commenced  operations)  through  December 31, 1990, the
total expenses of each  portfolio of the fund were the following  percentages of
average daily net assets for the periods shown.  The Tactical  Asset  Allocation
portfolio  commenced  operations  July  31,  1995 and the  LifeStyle  portfolios
commenced operations on March 31, 1998.


<TABLE>
<CAPTION>
                               Money                   Tactical   Conservative    Moderate   Aggressive
Year     Equity      Bond      Market      Managed      Asset       Investor      Investor    Investor
- ----     ------      ----      ------      -------      -----     ------------    --------   ----------
<S>      <C>         <C>       <C>         <C>          <C>          <C>          <C>          <C>

1999     .63%       .62%       .55%         .62%          .99%       .95%         1.00%        .96%
1998     .62%       .62%       .61%         .62%         1.00%       .95%(2)       .94%(2)     .95%(2)
1997     .66%       .67%       .66%         .67%         1.00%        N.A.          N.A.        N.A.
1996     .70%       .71%       .70%         .70%         1.00%        N.A.          N.A.        N.A.
1995     .70%       .70%       .73%         .70%         1.00%(1)     N.A.          N.A.        N.A.
1994     .73%       .73%       .75%         .73%          N.A.        N.A.          N.A.        N.A.
1993     .82%       .80%       .84%.        .81%          N.A.        N.A.          N.A.        N.A.
1992     .84%       .79%       .85%         .82%          N.A.        N.A.          N.A.        N.A.
1991     .80%       .71%       .85%         .94%          N.A.        N.A.          N.A.        N.A.
1990    1.00%      1.00%      1.00%         .98%          N.A.        N.A.          N.A.        N.A.

<FN>
(1) Ratio  calculated  for period July 31, 1995 through  December 31, 1995 on an
annualized  basis.

(2) Ratio  calculated for period March 31, 1998 through  December 31, 1998 on an
annualized basis.

</FN>
</TABLE>

Organizational Expenses of the Portfolios

     Expenses  incurred by the fund in connection  with the  organization of the
Tactical Asset Allocation portfolio aggregated approximately $8,688. These costs
have been deferred and are being  amortized  over a period of 5 years  beginning
with the commencement of operations.

     Expenses  incurred by the fund through June 30, 1998 in connection with the
organization of the LifeStyle portfolios aggregated approximately $22,200. These
costs have been deferred and amortized  over a period of 5 years  beginning with
the commencement of operations.

                      PORTFOLIO TRANSACTIONS AND BROKERAGE

Brokerage and Research Services

     The portfolios  generally pay a fee or incur an expense in connection  with
effecting  transactions in securities.  Transactions on national stock exchanges
and other  agency  transactions  involve the payment by a portfolio of brokerage
commissions.  Such  commissions  may be negotiable and may vary among  different
brokers. Also, a particular broker may charge different commissions according to
such factors as the difficulty and size of the  transaction.  There is generally
no stated commission in the case of fixed-income  securities,  most of which are
traded  in the  over-the-counter  markets,  but the  price  paid by a  portfolio
usually includes an undisclosed  dealer  commission or mark-up.  In underwritten
offerings, the price paid by a portfolio includes a disclosed,  fixed commission
or discount retained by the underwriter or dealer.

     The adviser or sub-adviser  for a portfolio  places orders for the purchase
and  sale  of  portfolio  securities  and  options  for a  portfolio  through  a
substantial number of broker-dealers.  In executing transactions, the adviser or
sub-adviser  will attempt to obtain the best  execution  for a portfolio  taking
into  account  such  factors  as  price  (including  the  applicable   brokerage
commission or dollar  spread),  size of order,  the nature of the market for the
security,  the  timing  of  the  transaction,  the  reputation,  experience  and
financial stability of the broker-dealer  involved,  the quality of the service,
the difficulty of execution and  operational  facilities of the firms  involved,
and the firm's risk in positioning a block of securities. In effecting purchases
and sales of portfolio  securities in  transactions  on national stock exchanges
for the  account  of a  portfolio,  the  adviser or  sub-adviser  may pay higher
commission  rates  than the lowest  available  when the  adviser or  sub-adviser
believes it is  reasonable  to do so in light of the value of the  brokerage and
research services provided by the  broker-dealer  effecting the transaction,  as
described  below.  In the  case of  securities  traded  on the  over-the-counter
markets,  there is generally  no stated  commission,  but the price  includes an
undisclosed commission or mark-up.

     Some securities considered for investment by the fund's portfolios may also
be  appropriate  for  other  accounts  served  by the  adviser  or  sub-adviser,
including the adviser's or sub-adviser's  general account. If a purchase or sale
of securities  consistent with the investment policies of a portfolio and one or
more of these accounts  served by the adviser or sub-adviser is considered at or
about the same time, it is the policy of AUL and each  sub-adviser  not to favor
any one  account or  portfolio  over  another,  and any  purchase or sale orders
executed  contemporaneously  are allocated at the average price and as nearly as
practicable  on a pro rata  basis in  proportion  to the  amounts  desired to be
purchased or sold by each account or portfolio.  While it is conceivable that in
certain instances this procedure could adversely


                                      -18-
<PAGE>


affect  the  price or  number  of  shares  involved  in a  particular  portfolio
transaction,  it is believed that the procedure generally  contributes to better
overall execution of the fund's portfolio transactions.  This allocation method,
and the  results of such  allocations,  are  subject to  periodic  review by the
fund's adviser, sub-advisers, and Board of Directors.

     For many years,  it has been a common  practice in the investment  advisory
business for advisers of investment companies and other institutional  investors
to  receive  research  services  from  broker-dealers  which  execute  portfolio
transactions  for the clients of such advisers.  Consistent  with this practice,
the  adviser  or  a  sub-adviser  may  receive   research   services  from  many
broker-dealers   with  which  the  adviser  or  sub-adviser   places   portfolio
transactions.  These  services,  which in some cases may also be  purchased  for
cash,  include such matters as general  economic  and security  market  reviews,
industry and company reviews,  evaluations of securities, and recommendations as
to the purchase and sale of  securities.  Some of these services may be of value
to the adviser or  sub-adviser  in advising its various  clients  (including the
fund), although not all of these services are necessarily useful and of value in
managing the fund. The  management  fee paid by the fund is not reduced  because
the adviser, sub-advisers, and their affiliates receive such services.

     As permitted by Section 28(e) of the  Securities  Exchange Act of 1934, the
adviser  or  sub-advisers  may  cause  the  fund to pay a  broker-dealer,  which
provides  "brokerage  and  research  services"  (as  defined in that Act) to the
adviser or  sub-adviser,  an amount of  disclosed  commission  for  effecting  a
securities  transaction  in excess of the  amount of  commission  which  another
broker-dealer would have charged for effecting that transaction.

     During  the  fiscal  years  ended  December  31,  1999,   1998,  and  1997,
respectively,  brokerage  commissions  in the amount of  $68,708,  $69,955,  and
$32,117  were  paid  for  transactions  in  the  Equity   portfolio,   brokerage
commissions  in the  amount  of  $31,128,  $33,145,  and  $12,426  were paid for
transactions  involving the Managed portfolio,  and brokerage commissions in the
amount of $10,310,  $5,390,  and $822 were paid for  transactions  involving the
Tactical Asset Allocation portfolio.  During the fiscal years ended December 31,
1999 and 1998, for the LifeStyle portfolios, brokerage commissions in the amount
$1,739 and $2,242 were paid for the Conservative Investor portfolio,  $1,935 and
$3,366 were paid for the Moderate Investor portfolio, and $3,130 and $4,490 were
paid for the Aggressive Investor portfolio.  There were no brokerage commissions
paid for the  Bond  and  Money  Market  portfolios  during  these  periods.  The
aggregate  dollar  value of  equity  transactions  (net of  commissions  and SEC
charges) on which brokerage  commissions  were paid for the years ended December
31,  1999,  1998,  and  1997,  respectively,   were  as  follows:   $44,548,721,
$49,594,782, and $23,657,542 for the Equity portfolio, $20,118,575, $22,812,949,
and  $12,075,867 for the Managed  portfolio,  and  $4,681,264,  $2,535,595,  and
$523,428  for the  Tactical  Asset  Allocation  portfolio.  For the  year  ended
December  31, 1999 and for the period  between  March 31, 1998 and  December 31,
1998,  respectively,  the aggregate dollar value of equity  transactions (net of
commissions  and SEC charges) on which brokerage  commissions  were paid for the
Conservative  Investor  Portfolio was $853,481 and $1,580,061;  for the Moderate
Investor portfolio,  $1,461,850 and $2,217,696,  and for the Aggressive Investor
portfolio,  $1,887,394 and $3,093,859.  All of the broker-dealers  through which
brokerage transactions were executed provided research services to AUL.


Portfolio Turnover

     For reporting  purposes,  each  portfolio's  turnover rate is calculated by
dividing the value of the lesser of  purchases or sales of portfolio  securities
for the fiscal year by the monthly average of the value of portfolio  securities
owned by the portfolio  during the fiscal year. In  determining  such  portfolio
turnover,  all securities  whose  maturities at the time of acquisition were one
year or less are  excluded.  A 100%  portfolio  turnover  rate would occur,  for
example,  if all of the  securities  in the  portfolio  (other  than  short-term
securities)  were  replaced  once during the fiscal year.  The turnover rate for
each of the portfolios that had investment  operations  during the periods shown
is listed in the section titled "Financial Highlights" in the prospectus.

     The turnover rate for each of the  portfolios  will vary from year to year,
and,  depending on market  conditions,  turnover  could be greater in periods of
unusual market movement and  volatility.  A higher turnover rate would result in
greater  brokerage  commissions  or other  transactional  expenses which must be
borne, directly or indirectly,  by a portfolio and ultimately by the portfolio's
shareholders.


                            Performance Information

     The fund may, from time to time,  include the yield and effective  yield of
the Money Market portfolio, the yield of the remaining portfolios, and the total
return of all  portfolios in  advertisements  or sales  literature.  Performance
information  for the  portfolios  will not be  advertised  or  included in sales
literature  unless  accompanied  by  comparable  performance  information  for a
Separate Account to which the fund offers its shares.

     Current yield for the Money Market portfolio will be based on the change in
the value of a  hypothetical  investment  (exclusive of capital  charges) over a
particular  7-day period,  less a pro rata share of portfolio  expenses  accrued
over  that  period  (the  "base  period"),  and  stated as a  percentage  of the
investment at the start of the base period (the "base period return").  The base
period return is then  annualized by  multiplying  by 365/7,  with the resulting
yield figure carried to at least the nearest hundredth of one percent.

     "Effective yield" for the Money Market portfolio assumes that all dividends
received during an annual period have been reinvested. Calculation of "effective
yield" begins

                                      -19-
<PAGE>



with the same "base period return" used in the  calculation  of yield,  which is
then annualized to reflect weekly compounding pursuant to the following formula:

     Effective Yield = [(Base Period Return + 1)**365/7]-1

     For the 7-day period ended  December  31, 1999,  the current  yield for the
Money Market portfolio was 6.0294% and the effective yield was 6.2112%.

     Quotations  of  yield  for the  remaining  portfolios  will be based on all
investment  income per share earned during a particular 30-day period (including
dividends  and  interest),   less  expenses  accrued  during  the  period  ("net
investment  income"),  and are computed by dividing net investment income by the
maximum offering price per share on the last day of the period, according to the
following formula:

     YIELD  =  2[(a-b/cd  + 1)**6 - 1]

where

     a = dividends and interests earned during the period,

     b = expenses accrued for the period (net of reimbursements),

     c = the average daily number of shares outstanding during the period that
were entitled to receive dividends, and

     d = the maximum offering price per share on the last day of the period.


     For the period ended December 31, 1999, the yield for the Equity  portfolio
was 1.24%; for the Bond portfolio,  6.40%; for the Managed portfolio, 3.35%; for
the Tactical Asset Allocation portfolio,  (2.45%); for the Conservative Investor
portfolio,  3.56%;  for the  Moderate  Investor  portfolio,  2.45%;  and for the
Aggressive Investor portfolio, 1.54%.

     Quotations of average annual total return for a portfolio will be expressed
in terms of the  average  annual  compounded  rate of return  of a  hypothetical
investment in the portfolio  over certain  periods that will include  periods of
one,  five,  and ten  years  (or,  if less,  up to the  life of the  portfolio),
calculated  pursuant to the following  formula:  P (1 + T)**n = ERV (where P = a
hypothetical initial payment of $1,000, T = the average annual total return, n =
the number of years,  and ERV = the ending  redeemable  value of a  hypothetical
$1,000 payment made at the beginning of the period).  Quotations of total return
may also be shown for  other  periods.  All total  return  figures  reflect  the
deduction of a proportional  share of portfolio expenses on an annual basis, and
assume that all  dividends  and  distributions  are  reinvested  when paid.  The
average annual total return for each of the portfolios for the following periods
ended December 31, 1999 was:

                                   One       Five       Ten          Since
Portfolio                         Year      Years      Years       Inception
- ---------                         ----      -----      ------      ---------

Equity                          (0.94%)     14.38%      N.A.         12.55%*
Bond                            (1.10%)      6.91%      N.A.          7.55%*
Money Market                     4.56%       4.80%      N.A.          4.48%*
Managed                         (0.75%)     11.59%      N.A.         10.29%*
Tactical Asset Allocation       (3.06%)      N.A.       N.A.          9.25%**
Conservative Investor            5.78%       N.A.       N.A.          6.66%***
Moderate Investor                8.24%       N.A.       N.A.          7.65%***
Aggressive Investor             11.66%       N.A.       N.A.          9.49%***

*   commenced operations April 10, 1990
**  commenced operations July 31, 1995
*** commenced operations March 31, 1998


     Performance information for a portfolio may be compared, in advertisements,
sales  literature,  and reports to  shareholders  to: (1) the  Standard & Poor's
Index of 500  Common  Stocks  ("S&P  500"),  the Dow  Jones  Industrial  Average
("DJIA"),  the Lehman  Brothers  Government  Bond  Index,  the  Lehman  Brothers
Aggregate Index, the Donoghue Money Market  Institutional  Averages,  the Lehman
Brothers  Government  Corporation  Index, the Salomon High Yield Index, or other
indices that measure  performance of a pertinent group of securities;  (2) other
groups of mutual  funds  tracked by Lipper  Analytical  Services,  a widely used
independent  research  firm which  ranks  mutual  funds by overall  performance,
investment  objectives,  and assets,  or tracked by other  services,  companies,
publications  or persons who rank mutual funds on overall  performance  or other
criteria; and (3) the Consumer Price Index (measure for inflation) to assess the
real rate of return from an investment in the portfolio.  Unmanaged  indices may
assume the reinvestment of dividends but generally do not reflect deductions for
administrative and management costs and expenses.

     Quotations of yield or total return for the fund will not take into account
charges and  deductions  against any  Separate  Account or Accounts to which the
fund  shares  are sold or charges  and  deductions  against  the life or annuity
contracts issued by AUL.

     Performance  information for any portfolio reflects only the performance of
a hypothetical  investment in the portfolio during the particular time period on
which the calculations are based.  Performance  information should be considered
in light of the portfolio's  investment objectives and policies,  and the market
conditions  during the given time  period,  and  should not be  considered  as a
representation of what may be achieved in the future.

                                      -20-
<PAGE>

                                    Taxation

Federal Income Tax Status

     Each  portfolio  intends to qualify  annually  and elect to be treated as a
regulated  investment  company under  Sub-chapter M of the Internal Revenue Code
(the "Code").

     To qualify as a regulated  investment  company,  each portfolio must, among
other things:  (1) derive in each taxable year at least ninety  percent (90%) of
its gross income from dividends,  interest,  payments with respect to securities
loans,  and gains from the sale or other  disposition  of stock,  securities  or
foreign  currencies,  or other  income  derived  with respect to its business of
investing in such stock,  securities or  currencies;  (2) derive in each taxable
year less than thirty  percent  (30%) of its gross income from the sale or other
disposition of stocks, securities, and certain other assets held less than three
months;  (3)  diversify  its holdings so that, at the end of each quarter of the
taxable  year,  (a) at least  fifty  percent  (50%) of the  market  value of the
portfolio's  assets are represented by cash,  U.S.  Government  securities,  the
securities of other regulated  investment  companies with such other  securities
any one issuer  limited for the  purposes of this  calculation  to an amount not
greater than five percent (5%) of the value of the portfolio's  total assets and
ten percent (10%) of the outstanding  voting securities of such issuer,  and (b)
not more than  twenty-five  percent  (25%) of the  value of its total  assets is
invested  in the  securities  of any one  issuer  (other  than  U.S.  Government
securities or the securities of other regulated investment  companies);  and (4)
distribute  at least ninety  percent (90%) of its net  investment  income (which
includes dividends,  interest, and net short-term capital gains in excess of any
net long-term  capital losses) each taxable year.  Certain hedging  transactions
that  may be  undertaken  by one  or  more  portfolios  may  be  limited  by the
requirements relating to a portfolio's status as a regulated investment company.

     As a regulated  investment company, a portfolio will not be subject to U.S.
federal income tax on its net  investment  income and net capital gains (any net
long-term  capital gains in excess of the sum of net  short-term  capital losses
and capital loss  carryovers  from prior years),  if any, that it distributes to
shareholders. Each portfolio intends to distribute to its shareholders, at least
annually,  substantially  all of its net  investment  income and any net capital
gains. In addition,  amounts not distributed by a portfolio on a timely basis in
accordance  with a calendar year  distribution  requirement  may be subject to a
nondeductible  four percent (4%) excise tax. To avoid the tax, a portfolio  must
distribute during each calendar year, (1) at least ninety-eight percent (98%) of
its ordinary  income (not taking into  account any capital  gains or losses) for
the calendar year, (2) at least ninety-eight  percent (98%) of its capital gains
in excess of its capital losses  (adjusted for certain  ordinary losses) for the
twelve-month  period  ending on October  31 of the  calendar  year,  and (3) all
ordinary  income and capital gains for previous years that were not  distributed
during such years.  Each year,  each portfolio will determine  whether it may be
subject to the calendar year distribution requirement. If a portfolio determines
that it is  subject  to this  distribution  requirement,  it intends to make its
distributions in accordance with the calendar year distribution  requirement.  A
distribution  will  be  treated  as  paid  December  31 if it is  declared  by a
portfolio  in  October,  November,  or  December  of the  year  and  paid by the
portfolio  by January  31 of the  following  year.  Such  distributions  will be
taxable to  shareholders  in the year in which the  distributions  are declared,
rather than the year in which the distributions are received.


                             Shareholder Information

Description of Fund Shares

     The fund was incorporated  under the laws of Maryland on July 26, 1989. The
capitalization  of the fund consists of 400,000,000  authorized shares of common
stock with a par value of $0.001 each with 20,000,000  unallocated  shares. When
issued,  shares  of  the  fund  are  fully  paid,  non-assessable,   and  freely
transferable.  The Board of Directors may establish additional  portfolios (with
different  investment  objectives and  fundamental  policies) at any time in the
future.  Establishment and offering of additional  portfolios will not alter the
rights  of the  fund's  shareholders.  Shares do not have  preemptive  rights or
subscription rights. In liquidation of a portfolio of the fund, each shareholder
is  entitled  to  receive  his or her pro rata  share of the net  assets of that
portfolio.


Voting Rights

     Shareholders  of the fund are given certain  voting  rights.  Each share of
each portfolio will be given one vote, and each fractional share will be given a
proportionate fractional vote, unless a different allocation of voting rights is
required under applicable law for a mutual fund that is an investment medium for
variable insurance products.

     Under the fund's charter,  the fund is not required to hold annual meetings
of shareholders to elect directors or for


                                      -21-
<PAGE>


other purposes and it is not anticipated  that the fund will hold  shareholders'
meetings unless required by law or the fund's charter.  In this regard, the fund
will be  required  to hold a meeting  to elect  directors  to fill any  existing
vacancies on the Board if, at any time,  fewer than a majority of the  directors
have been elected by the  shareholders  of the fund.  In  addition,  the charter
provides that the holders of not less than two-thirds of the outstanding  shares
of the fund may remove a person  serving as director  either by  declaration  in
writing or at a meeting  called for such purpose.  The fund's shares do not have
cumulative voting rights.
<PAGE>

     In  accordance  with current law, it is  anticipated  that AUL will request
voting instructions from owners or participants of any contracts that are funded
by separate accounts that are registered investment companies under the 1940 Act
and will vote shares in any such separate account  attributable to the contracts
in proportion to the voting  instructions  received.  AUL may vote shares of any
portfolio,  if  any,  that  it  owns  beneficially  in its  own  discretion.  In
connection  with the  organization  of the fund,  AUL  invested in shares of the
portfolios to provide the initial capital.  Thus, until a significant  number of
shares  of the  portfolios  are sold in  connection  with  contracts  funded  by
registered separate accounts, AUL may control the portfolios.  It is anticipated
that  AUL and  one or more of its  separate  accounts  will be the  sole  record
shareholders of the fund.

Net Asset Value of the Fund's Shares

     As  indicated  under "Net Asset  Value" in the  prospectus,  the fund's net
asset value per share for the purpose of pricing purchase and redemption  orders
generally is determined at or about 4:00 P.M. eastern standard time, on each day
the NYSE is open for trading.  The  determination  may be made earlier than 4:00
P.M.  EST if the NYSE  closes  earlier  than 4:00  P.M.  and it is  possible  to
determine  the net  asset  value  at that  time.  Net  asset  value  will not be
determined on days that the NYSE is closed,  on any federal  holidays or on days
when  AUL is not  open for  business.  Traditionally,  in  addition  to  federal
holidays,  AUL is not open for business on the day after Thanksgiving and either
the day before or after Christmas or Independence Day.

     The Money Market portfolio's securities are valued using the amortized cost
method of valuation.  This involves  valuing a money market  security at cost on
the date of  acquisition  and  thereafter  assuming  a constant  accretion  of a
discount or amortization  of a premium to maturity,  regardless of the impact of
fluctuating  interest  rates on the market value of the  instrument.  While this
method  provides  certainty in valuation,  it may result in periods during which
value,  as determined  by amortized  cost, is higher or lower than the price the
portfolio would receive if it sold the instrument. During such periods the yield
to  investors  in the  portfolio  may differ  somewhat  from that  obtained in a
similar  investment  company which uses available market quotations to value all
of its portfolio securities.

     The SEC's  regulations  require  the Money  Market  portfolio  to adhere to
certain  conditions  in  connection  with  using the  amortized  cost  method of
valuation.  The  portfolio  is required to  maintain a  dollar-weighted  average
portfolio  maturity of 90 days or less, to limit its  investments to instruments
having remaining maturities of 13 months or less (except securities held subject
to repurchase  agreements  having 13 months or less to maturity),  and to invest
only in securities  determined by the adviser to be of the highest  quality with
minimal credit risks.

Purchases and Redemptions

     The fund may suspend the right of redemption of shares of any portfolio for
any period:  (a) during which the New York Stock Exchange (the "NYSE") is closed
other than customary weekend and holiday closings or during which trading on the
NYSE is restricted;  (b) when the Securities and Exchange Commission (the "SEC")
determines  that a state of emergency  exists which may make payment or transfer
not  reasonably  practicable;  (c) as  the  SEC  may by  order  permit  for  the
protection  of the security  holders of the fund;  or (d) at any other time when
the fund may, under  applicable  laws and  regulations,  suspend  payment on the
redemption of its shares.

Custodian, Transfer Agent, and Dividend Disbursing Agent

     The Bank of New York,  New York, New York,  serves as the fund's  custodian
and Dividend Dispursing Agent. AUL serves as the fund's Transfer Agent.

Independent Accountants

     PricewaterhouseCoopers  LLP serves as  independent  accountants of the fund
and performs certain accounting and auditing services for the fund.

Legal Counsel

     Dechert  Price & Rhoads,  Washington,  D.C.,  has passed upon certain legal
matters in connection with the shares offered by this prospectus,  and also acts
as outside counsel to the fund.

Code of Ethics

     The fund,  the Advisor and the  Distributor  have adopted a Code of Ethics.
Under the  provisions of the Codes,  personnel of the fund,  the Advisor and the
Distributor may not knowingly, within certain time periods, purchase or sell any
security in which the fund may invest unless it is  determined  that, in view of
the nature of and the market for, the security, such a purchase or sale will not
affect the price paid or received by the fund for the security.  Copies of these
Codes of Ethics may be reviewed and copied at the Public  Reference  Room of the
Securities  and  Exchange  Commission.  For more  information  about the  Public
Reference  Room,  call  1-202-942-8080.  They are also  available from the SEC's
EDGAR database Information at  http://www.sec.gov.  Copies of the Codes can also
be  obtained,  after  payment of a fee for  duplication,  by writing  the Public
Reference  Section of the SEC,  Washington,  D.C.  20549-0102  or by  electronic
request at [email protected].


                              Financial Statements

     The Financial  Statements  of the fund, as of December 31, 1999,  including
the Notes thereto,  are incorporated by reference in the statement of additional
information  from the Annual  Report of the fund as of December  31,  1999.  The
Financial  Statements  have been  audited  by  PricewaterhouseCoopers  LLP,  the
independent  accountants for the fund.  Management's  Discussion and Analysis is
contained in the fund's Annual Report, which is available without charge and may
be  obtained by writing to the fund at One  American  Square,  Indianapolis,  IN
46282 or by calling the fund at (800) 249-6269.


                                      -22-
<PAGE>

                                   APPENDIX I

                   CORPORATE BOND AND COMMERCIAL PAPER RATINGS

CORPORATE BONDS

     Bonds rated Aa by Moody's Investors Service, Inc. ("Moody's") are judged by
Moody's to be of high quality by all  standards.  Together  with bonds rated Aaa
(Moody's  highest  rating) they comprise what are generally  known as high-grade
bonds. Aa bonds are rated lower than Aaa bonds because margins of protection may
not be as large as those of Aaa bonds, or fluctuation of protective elements may
be of greater  amplitude,  or there may be other elements present which make the
long-term risks appear somewhat larger than those  applicable to Aaa securities.
Bonds which are rated A by Moody's possess many favorable investment  attributes
and are to be  considered  as upper  medium-grade  obligations.  Factors  giving
security to principal and interest are considered adequate,  but elements may be
present which suggest a susceptibility to impairment some time in the future.

     Moody's Baa rated bonds are considered as medium-grade  obligations,  i.e.,
they are neither  highly  protected nor poorly  secured.  Interest  payments and
principal  security  appear  adequate  for the present,  but certain  protective
elements may be lacking or may be  characteristically  unreliable over any great
length of time. Such bonds lack outstanding  investment  characteristics and, in
fact, have speculative characteristics as well.

     Bonds  rated AA by  Standard & Poor's are judged by Standard & Poor's to be
high-grade  obligations  and in the majority of  instances  differ only in small
degree from issues rated AAA (Standard & Poor's highest rating). Bonds rated AAA
are  considered  by Standard & Poor's to be the highest  grade  obligations  and
possess the ultimate degree of protection as to principal and interest.  With AA
bonds,  as with AAA bonds,  prices move with the long-term  money market.  Bonds
rated A by  Standard  &  Poor's  have a strong  capacity  to pay  principal  and
interest,  although they are somewhat more susceptible to the adverse effects of
changes in circumstances and economic conditions.

     Standard & Poor's BBB rated bonds,  or  medium-grade  category  bonds,  are
borderline  between definitely sound obligations and those where the speculative
elements  begin to  predominate.  These bonds have adequate  asset  coverage and
normally  are  protected  by  satisfactory  earnings.  Their  susceptibility  to
changing  conditions,   particularly  to  depressions,   necessitates   constant
watching.  These bonds  generally  are more  responsive  to  business  and trade
conditions than to interest rates.  This group is the lowest which qualifies for
commercial bank investment.

COMMERCIAL PAPER

     The  prime  rating is the  highest  commercial  paper  rating  assigned  by
Moody's.  Among the factors  considered by Moody's in assigning  ratings are the
following:  (1)  evaluation  of the  management  of  the  issuer;  (2)  economic
evaluation  of  the  issuer's   industry  or  industries  and  an  appraisal  of
speculative-type risks which may be inherent in certain areas; (3) evaluation of
the issuer's  products in relation to competition and customer  acceptance;  (4)
liquidity;  (5) amount and quality of long-term debt; (6) trend of earnings over
a period of ten  years;  (7)  financial  strength  of a parent  company  and the
relationships  which exist with the issuer; and (8) recognition by management of
obligations  which may be  present  or may arise as a result of public  interest
questions and preparations to meet such  obligations.  Issuers within this prime
category may be given ratings 1, 2 or 3, depending on the relative  strengths of
these factors.

     Commercial   paper  rated  A  by  Standard  &  Poor's  has  the   following
characteristics:  (1) liquidity  ratios are adequate to meet cash  requirements;
(2) long-term  senior debt rating should be A or better,  although in some cases
BBB credits may be allowed if other  factors  outweigh  the BBB;  (3) the issuer
should have access to at least two additional  channels of borrowing;  (4) basic
earnings  and cash flow should  have an upward  trend with  allowances  made for
unusual  circumstances;  and (5) typically the issuer's  industry should be well
established and the issuer should have a strong position within its industry and
the reliability and quality of management should be unquestioned.  Issuers rated
A are  further  referred  to by use of  numbers  1, 2 and 3 to  denote  relative
strength within this highest classification.

                                      -23-

<PAGE>



     We have not  authorized  anyone to  provide  you with  information  that is
different from the information in this statement of additional information.  You
should only rely on the information in this statement of additional  information
or in the prospectus or in other information provided to you by us.

     There is a prospectus that has general information about the fund. The fund
also files annual and  semi-annual  reports with the SEC. These reports  provide
more information about the fund's investments.  The annual report also discusses
market  conditions and investment  strategies  that  significantly  affected the
fund's performance in 1999.

     You may  request a free copy of the  prospectus  or a copy of the annual or
semi-annual  reports  by  writing to us at One  American  Square,  Indianapolis,
Indiana 46282 or by calling us at (800) 249-6269.  If you have other  questions,
call or write us.

     Information  about the fund can also be  reviewed  and  copied at the SEC's
Public Reference Room in Washington,  D.C. or may be obtained by calling the SEC
at (800) SEC-0330.  Reports and other information is also available on the SEC's
Internet site at  http://www.sec.gov.  Copies of this information can be ordered
by writing the Public Reference Section of the SEC, Washington,  D.C. 20549. The
SEC will charge a duplicating fee for this service.

     The  fund  has  filed a  registration  statement  with  the SEC  under  the
Securities Act of 1933 and the Investment Company Act of 1940, as amended,  that
provides   information  about  the  fund's   securities.   This  information  is
incorporated by reference.






                         AUL AMERICAN SERIES FUND, INC.

                       Variable Life and Annuity Contracts

                                     Sold By

                                 AMERICAN UNITED
                            LIFE INSURANCE COMPANY(R)


                               One American Square
                           Indianapolis, Indiana 46282


                       Statement of Additional Information


                               Dated: May 1, 2000

Investment Company Filing No.:  811-05850





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