MUTUAL OF AMERICA INVESTMENT CORP
485BPOS, 2000-04-26
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<PAGE>


  As filed with the Securities and Exchange Commission on April 26, 2000

                                                        Registration No. 33-6486
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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

                                   FORM N-1A
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933          [X]
                          Pre-Effective Amendment No.                        [_]
                                                                             [X]
                      Post-Effective Amendment No. 19
                                     and/or
        REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940      [X]

                             Amendment No. 20

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

                    Mutual of America Investment Corporation
               (Exact name of Registrant as Specified in Charter)

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

                                320 Park Avenue
                            New York, New York 10022
               (Address of Principal Executive Office)( Zip Code)
                                 (212) 224-1600
              (Depositor's Telephone Number, including Area Code)

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

                        Dolores J. Morrissey, President
                    Mutual of America Investment Corporation
                                320 Park Avenue
                            New York, New York 10022
                    (Name and Address of Agent for Service)

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

                                    Copy to:
                            Deborah S. Becker, Esq.
                           Senior Vice President and
                           Associate General Counsel
                    Mutual of America Life Insurance Company
                                320 Park Avenue
                            New York, New York 10022

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

 Approximate Date of Proposed Public Offering: As soon as practicable after the
effective date of the Registration Statement.

   It is proposed that this filing will become effective: (check appropriate
                                     space)
                     [_]immediately upon filing pursuant to paragraph (b).

                     [X]on May 1, 2000 pursuant to paragraph (b)
                     [_]60 days after filing pursuant to paragraph (a)(1)

                     [_]on (date) pursuant to paragraph (a)(1)
                     [_]75 days after filing pursuant to paragraph (a)(2)
                     [_]on (date) pursuant to paragraph (a)(2) of Rule 485

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<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION

                             Cross-Reference Sheet

<TABLE>
<CAPTION>
 Items in
 Part A of
 Form N-1A Caption in Form N-1A               Caption or Location in Prospectus
 --------- --------------------               ---------------------------------
 <C>       <C>                                <S>
      1    Front and Back Cover Pages.......  Front and Back Covers
      2    Risk/Return Summary: Investments,
           Risks, and Performance...........  Summary of How Our Funds Invest
      3    Risk/Return Summary: Fee Table...  Not Applicable (shares only to
                                              Separate Accounts)
      4    Investment Objectives, Principal
           Investment Strategies, and         Details about How Our Funds
           Related Risks....................  Invest and Related Risks
      5    Management's Discussion of Fund    Not Applicable (Included in
           Performance......................  Annual Report)
      6    Management, Organization, and
           Capital Structure................  Management of the Funds
      7    Shareholder Information..........  Information on Fund Shares
      8    Distribution Agreements..........  Not Applicable
      9    Financial Highlights
           Information......................  Financial Highlights

<CAPTION>
 Items in                                     Caption or Location in
 Part B of                                    Statement of Additional
 Form N-1A Caption in Form N-1A               Information
 --------- --------------------               -----------------------
 <C>       <C>                                <S>
     10    Cover Page and Table of
           Contents.........................  Cover
     11    Fund History.....................  Investment Company's Form of
                                              Operations
     12    Description of the Fund and Its
           Investments and Risks............  Investment Strategies and Related
                                              Risks; Fundamental Investment
                                              Restrictions; Non-Fundamental
                                              Investment Policies; Description
                                              of Corporate Bond Ratings; Use of
                                              Standard & Poor's Indices
     13    Management of the Fund...........  Management of the Investment
                                              Company
     14    Control Persons and Principal      Investment Company's Form of
           Holders of Securities............  Operations
     15    Investment Advisory and Other
           Services.........................  Investment Advisory Arrangements;
                                              Independent Auditors; Legal
                                              Matters; Custodian
     16    Brokerage Allocation and Other     Portfolio Transactions and
           Practices........................  Brokerage
     17    Capital Stock and Other            Investment Company's Form of
           Securities.......................  Operations
     18    Purchase, Redemption, and Pricing  Purchase, Redemption and Pricing
           of Shares........................  of Shares
     19    Taxation of the Fund.............  Taxation of the Investment
                                              Company
     20    Underwriters.....................  Distribution Arrangements
     21    Calculation of Performance Data..  Yield and Performance Information
     22    Financial Statements.............  Financial Statements

<CAPTION>
 Items in
 Part C of
 Form N-1A Caption in Form N-1A and in Part C of Registration Statement
 --------- ------------------------------------------------------------
 <C>       <C>                                <S>
     23    Exhibits
     24    Persons Controlled by or Under Common Control with the Fund
     25    Indemnification
     26    Business and Other Connections of the Investment Adviser
     27    Principal Underwriters
     28    Location of Accounts and Records
     29    Management Services
     30    Undertakings
</TABLE>
<PAGE>

 TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                         Page
                                                                         ----
<S>                                                                   <C>
Summary of How Our Funds Invest......................................      1
 Equity Index Fund...................................................      1
 All America Fund....................................................      1
 Mid-Cap Equity Index Fund...........................................      2
 Aggressive Equity Fund..............................................      2
 Composite Fund......................................................      2
 Bond Fund...........................................................      2
 Mid-Term Bond Fund..................................................      3
 Short-Term Bond Fund................................................      3
 Money Market Fund...................................................      4
 Annual Total Returns................................................      4
 Average Annual Total Returns........................................      7

Management of the Funds..............................................      9
 The Adviser.........................................................      9
 Subadvisers for a Portion of the All America Fund...................      9
 Portfolio Managers..................................................     10

Details about How Our Funds Invest and Related Risks.................     11
 Investment Objectives and Strategies................................     11
  Equity Index Fund..................................................     11
  All America Fund...................................................     11
  Mid-Cap Equity Index Fund..........................................     13
  Aggressive Equity Fund.............................................     14
  Composite Fund.....................................................     14
  Bond Fund..........................................................     15
  Mid-Term Bond Fund.................................................     15
  Short-Term Bond Fund...............................................     16
  Money Market Fund..................................................     16
 Risks of Investing in Stock Funds...................................     17
 Risks of Investing in Bond Funds....................................     17
 Specific Investments or Strategies, and Related Risks...............     18

Information About Fund Shares........................................     20
 Pricing of Funds' Shares............................................     20
 Purchase of Shares..................................................     20
 Redemption of Shares................................................     20
 Dividends, Capital Gains Distributions and Taxes....................     20

Financial Highlights.................................................     21

You May Obtain More Information...................................... Back cover
</TABLE>
<PAGE>

Mutual of America Investment Corporation

320 Park Avenue, New York, New York 10022

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

Mutual of America Investment Corporation is a mutual fund. It currently has
these nine Funds:

  .Equity Index Fund
  .All America Fund
  .Mid-Cap Equity Index Fund
  .Aggressive Equity Fund
  .Composite Fund
  .Bond Fund
  .Mid-Term Bond Fund
  .Short-Term Bond Fund
  .Money Market Fund

The Funds serve as investment vehicles for account balances under variable
accumulation annuity contracts and variable life insurance policies issued by
Mutual of America Life Insurance Company and The American Life Insurance
Company of New York (the Insurance Companies). Separate Accounts of the
Insurance Companies purchase Fund shares.

This Prospectus has information a contractholder or policyowner should know
before allocating account balance to the Separate Account Funds that invest in
shares of the Funds. You should read this Prospectus carefully and keep it for
future reference.

The Securities and Exchange Commission has not approved or disapproved these
securities or passed upon the adequacy of this Prospectus. Any representation
to the contrary is a criminal offense.

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

Prospectus dated May 1, 2000
<PAGE>

 SUMMARY OF HOW OUR FUNDS INVEST
Each Fund of Mutual of America Investment Corporation (the Investment Company)
has its own investment objective and tries to achieve its objective with
certain investment strategies. The Funds' different investment strategies will
affect the return of the Funds and the risks of investing in each Fund.

A Fund may not achieve its objective. An investment in any of the Funds could
decline in value.

Equity Index Fund
- --------------------------------------------------------------------------------

The Fund seeks investment results that correspond to the investment performance
of the Standard & Poor's Composite Index of 500 Stocks (the S&P 500(R) Index).
The Fund invests primarily in the 500 common stocks included in the S&P 500
Index.

  . Securities in the S&P 500 Index generally are
    issued by companies with large market
    capitalizations.

  . Securities are included in the Index based on
    industry weightings and the issuers' leading
    positions in those industries.

An investment in the Equity Index Fund is subject to market risk and financial
risk, as defined below.

All America Fund
- --------------------------------------------------------------------------------

The Fund attempts to outperform the S&P 500 Index, by investing in a
diversified portfolio of primarily common stocks.

  . Approximately 60% of the Fund's assets are invested
    to replicate the S&P 500 Index by investing in the
    500 common stocks included in the S&P 500 Index.

  . Approximately 40% of the Fund's assets are invested
    by the Adviser and two Subadvisers, with an
    objective of capital appreciation and, to a lesser
    extent, current income. The Adviser invests
    approximately 10% of the Fund's assets primarily in
    small capitalization value stocks and approximately
    10% of the Fund's assets primarily in large
    capitalization value stocks; one Subadviser invests
    approximately 10% of the Fund's assets primarily in
    small capitalization growth stocks; and the other
    Subadviser invests approximately 10% of the Fund's
    assets primarily in mid- and large capitalization
    growth stocks.

An investment in the All America Fund is subject to market and financial risk,
as defined below. Approximately 20% of the All America Fund's assets are
invested in small capitalization growth and value stocks, many of which trade
over-the-counter, and this portion of its portfolio will have more market and
financial risk than the portion invested in mid and large capitalization
stocks. Equity securities that trade over-the-counter may be more difficult to
sell than equity securities that trade on a national securities exchange.

 ..............................................................

Risks Defined for Investing in Equity Securities

  -- Market Risk refers to how much the value of a security changes
   (volatility of price) when conditions in the securities markets change or
   the economic environment changes. Stocks of companies with smaller market
   capitalizations generally have more market risk than stocks of companies
   with larger market capitalizations. Market capitalization refers to the
   aggregate market value of the equity securities (stock) that a company has
   issued.

  -- Financial (or credit) risk refers to the earning stability and overall
   financial soundness of an issuer of an equity security.

                                      -1-
<PAGE>


Mid-Cap Equity Index Fund
- --------------------------------------------------------------------------------

The Fund seeks investment results that correspond to the investment performance
of the S&P MidCap 400 Index.

  . The Fund invests primarily in the 400 common stocks
    included in the S&P MidCap 400 Index.

  . These stocks are issued by companies with mid-sized
    market capitalizations.

An investment in the MidCap Equity Index Fund is subject to market and
financial risk (as defined on page 1).

Aggressive Equity Fund
- --------------------------------------------------------------------------------

The Fund seeks capital appreciation by investing primarily in growth and value
common stocks. Many of the stocks purchased are issued by companies that have
small market capitalizations and are traded over-the-counter.

The Fund uses two different investment styles to seek its investment objective:

  . The Fund invests in growth stocks issued by
    companies the Adviser believes to possess above-
    average growth potential.

  . The Fund invests in value stocks issued by
    companies the Adviser believes to be undervalued in
    the marketplace in relation to factors such as the
    company's assets, earnings, or growth potential.

An investment in the Aggressive Equity Fund is subject to market and financial
risk (as defined on page 1). The Aggressive Equity Fund has more market risk
and financial risk than our other stock funds, because it generally invests in
small capitalization growth and value equity securities that often trade over-
the-counter.

Composite Fund
- --------------------------------------------------------------------------------

The Fund seeks capital appreciation and current income by investing in a
diversified portfolio of common stocks, debt securities and money market
instruments. The portion of the Fund's assets invested in each category of
securities will vary, based on the Adviser's view of current economic and
market conditions.

  . The current investment strategy for the equity
    portion on the Fund is to invest in approximately
    25 stocks in the S&P 500 Index that are the largest
    in the Index by market capitalization, and in
    approximately 50-75 additional stocks that also are
    included in the S&P 500 Index, as selected by the
    Adviser.

  . The current investment strategy for the fixed
    income portion of the Fund is to invest primarily
    in investment grade debt securities issued by U.S.
    corporations or by the U.S. Government or its
    agencies, including mortgage-backed securities.

An investment in the Composite Fund has market risk. By investing in equity
securities and debt securities, the Fund tries to reduce the market risk that
would exist for an investment in either a stock fund or a bond fund. An
investment in the Composite Fund has moderate financial risk, based on the
Fund's purchase of equity securities included in the S&P 500 Index and its
purchase of investment grade debt securities. Refer to "Risks Defined for
Investing in Equity Securities" on page 1 and "Risks of Investing in any of the
Bond Funds" on page 3.

Bond Fund
- --------------------------------------------------------------------------------

The Fund seeks current income, with preservation of shareholders' capital a
secondary objective. The Fund's securities holdings will have an average
maturity that varies according to the Adviser's view of current market
conditions. The Fund invests primarily in publicly-traded, investment grade
debt securities.

  . The Fund invests in corporate, U.S. Government
    securities and U.S. Government agency securities,
    such as bonds, notes, debentures, zero coupon
    securities and mortgage-backed securities.

  . The Fund may have a significant portion of its
    assets invested in a particular type of debt
    security, such as U.S. Government agency mortgage-
    backed securities, zero coupon securities or
    securities rated BBB.

                                      -2-
<PAGE>


  . The Adviser evaluates individual securities and
    selects securities based on interest income to be
    generated and does not time purchases and sales
    based on interest rate predictions.

You should refer to "Risks of Investing in any of the Bond Funds" below.

Mid-Term Bond Fund
- --------------------------------------------------------------------------------

The Fund seeks current income, with preservation of shareholders' capital a
secondary objective. The Fund's securities holdings will have an average
maturity of three to seven years. The Fund invests primarily in publicly-
traded, investment grade debt securities.

  . The Fund invests in corporate, U.S. Government
    securities and U.S. Government agency securities,
    such as bonds, notes, debentures, zero coupon
    securities and mortgage-backed securities.

  . The Fund may have a significant portion of its
    assets invested in a particular type of debt
    security, such as U.S. Government agency mortgage-
    backed securities, zero coupon securities or
    securities rated BBB.

  . The Adviser generally selects securities based on
    interest income to be generated and does not time
    purchases and sales based on interest rate
    predictions.

You should refer to "Risks of Investing in any of the Bond Funds" below.

Short-Term Bond Fund
- --------------------------------------------------------------------------------

The Fund seeks current income, with preservation of shareholders' capital a
secondary objective. The Fund's securities holdings will have an average
maturity of one to three years. The Fund invests primarily in publicly-traded,
investment grade debt securities.

  . The Fund invests in corporate, U.S. Government
    securities, U.S. Government agency securities and
    money market instruments, such as bonds, notes,
    zero coupon securities, mortgage-backed securities
    and commercial paper.

  . The Fund may have a significant portion of its
    assets invested in a particular debt security, such
    as U.S. Government or agency securities, which also
    may be mortgage-backed securities.

  . The Adviser selects securities based on income to
    be generated and does not time purchases and sales
    based on interest rate predictions.

You should refer to "Risks of Investing in any of the Bond Funds" below.

Risks of Investing in any of the Bond Funds

An investment in any of the Bond Funds is subject to market risk, which
includes changes in the overall level of interest rates. Interest rate
increases usually cause a decline in the value of debt securities, with the
amount of the decline greater for securities with longer terms to maturity. For
this reason, the Bond Fund has more market risk than the Mid-Term Bond Fund,
and the Mid-Term Bond Fund has more market risk than the Short-Term Bond Fund.
Lower rated investment grade debt securities, which the Bond Fund and the Mid-
Term Bond Fund purchase, may be subject to a greater market risk than higher
rated debt securities, and below investment grade securities (rate below BBB)
are subject to greater market risk than investment grade debt securities. Zero
coupon securities, which the Bond Fund and Mid-Term Bond Fund also may
purchase, may be subject to a greater market risk than securities that pay
interest on a regular basis. Mortgage-backed securities or certificates, which
all of the Funds may purchase and in which the Short-Term Bond Fund from time
to time invests a significant portion of its assets, are subject to prepayment
risk (shortening the term to maturity) when interest rates fall and to
extension risk (lengthening the term to maturity) when interest rates rise.

An investment in any of the Bond Funds also involves credit risk, which refers
to the ability of the issuer of a security to pay principal and interest as it
becomes due. Securities rated BBB or lower have more credit risk than higher-
rated securities.

                                      -3-
<PAGE>


Money Market Fund
- --------------------------------------------------------------------------------

The Fund seeks current income and preservation of principal by investing in
money market instruments that meet certain requirements for liquidity,
investment quality and stability of capital.

  . The average maturity of the instruments the Fund
    holds will be short-term -- 90 days or less.

  . The Fund will purchase only securities that are
    rated in one of the two highest rating categories
    by at least two rating agencies, with most
    securities rated in the highest category.

  . The Fund will diversify its investments, limiting
    holdings in the securities of any one issuer
    (except the U.S. Government or its agencies) to 5%
    of assets.

The Money Market Fund pays dividends of income earned on an annual basis,
rather than declaring dividends daily to maintain a stable net asset value of
$1.00.

  . The Fund's net asset value will generally rise
    during the year as the Fund earns income, before
    dividends are paid.

  . The Fund's net asset value will decline when the
    Fund declares dividends and pays income to
    shareholders at the end of December each year.

A shareholder's investment in the Fund is not insured or guaranteed by the
Federal Deposit Insurance Corporation, the U.S. Government or any other
government agency.

An investment in the Money Market Fund has a small amount of market risk and
financial risk, because the Fund holds high quality securities with short terms
to maturity. The Fund has a high level of current income volatility, because
its securities holdings are short term and it reinvests at current interest
rates as its holdings mature.

Annual Total Returns
- --------------------------------------------------------------------------------

The bar charts below show the annual return of each Fund for the past ten
years, or for the years the Fund has been in operation if less than ten years.
A chart indicates the risks of investing in a particular Fund by showing
changes in the Fund's performance from year-to-year during the period, but a
Fund's past performance does not necessarily indicate how it will perform in
the future.

Below each chart is the Fund's highest total return for any calendar quarter
during the period covered by the chart, called the best quarter return, and the
Fund's lowest total return for any calendar quarter during the period covered,
called the worst quarter return. These returns are an indication of the
volatility of a Fund's total returns. The numbers in parentheses are negative,
representing a loss of principal.

The total returns shown do not include charges against the assets of the
Separate Accounts that purchase Fund shares. If these charges were reflected,
returns would be less than those shown.

Equity Index Fund:

                                  [BAR CHART]

                                1994     1.5%
                                1995     36.6%
                                1996     22.7%
                                1997     33.1%
                                1998     28.6%
                                1999     20.6%

Best quarter return:   21.4% during forth quarter 1998
Worst quarter return:  (9.9%) during third quarter 1998


                                      -4-
<PAGE>

All America Fund:

                                  [BAR CHART]

                                1990      (3.8%)
                                1991      22.6%
                                1992       3.2%
                                1993      12.0%
                                1994       1.3%
                                1995      36.6%
                                1996      20.7%
                                1997      26.8%
                                1998      21.3%
                                1999      25.8%

Best quarter return:   22.1% forth quarter 1998
Worst quarter return:  (14.3%) during quarter 1998


Mid-Cap Equity Index Fund:


                                  [BAR CHART]

                                  1999  11.8%

Best quarter return:   16.9% during forth quarter 1998
Worst quarter return:  (8.1%) during forth quarter 1999


Aggressive Equity Fund:

                                  [BAR CHART]

                                 1995    38.2%
                                 1996    27.1%
                                 1997    21.2%
                                 1998    (5.1%)
                                 1999    43.3%

Best quarter return:   27.2% during forth quarter 1999
Worst quarter return:  (26.2%) during third quarter 1998

                                      -5-
<PAGE>

Composite Fund:

                                  [BAR CHART]

                                 1990     1.5%
                                 1991    17.4%
                                 1992     5.9%
                                 1993    16.9%
                                 1994     3.0%
                                 1995    21.9%
                                 1996    11.9%
                                 1997    17.7%
                                 1998    14.5%
                                 1999    15.2%

Best quarter return:     12.9% during forth quarter 1999
Worst quarter return:    (6.9%) during forth quarter 1990

Bond Fund:

                                 [BAR CHART]

                               1990        3.5%
                               1991       14.0%
                               1992        8.6%
                               1993       13.1%
                               1994      (3.2)%
                               1995       19.4%
                               1996        3.5%
                               1997       10.4%
                               1998        7.2%
                               1999       (1.9%)

Best quarter return:     7.0% during forth quarter 1995
Worst quarter return:    (2.9%) duing forth quarter 1994


Mid-Term Bond Fund:

                                  [BAR CHART]

                               1994      (3.7%)
                               1995      16.3%
                               1996       3.9%
                               1997       7.3%
                               1998       6.4%
                               1999       1.4%

Best quarter return:     6.1% during second quarter 1995
Worst quarter return:    (3.0%) during first quarter 1994


                                      -6-
<PAGE>

Short-Term Bond Fund:

                                  [BAR CHART]

                               1994         1.4%
                               1995         7.7%
                               1996         4.9%
                               1997         6.0%
                               1998         5.7%
                               1999         4.2%

Best quarter return:    2.6% during forth quarter 1995
Worst quarter return:   (0.3%) during third quarter 1994


Money Market Fund:

                                  [BAR CHART]

                                1990       6.8%
                                1991       4.4%
                                1992       3.3%
                                1993       2.9%
                                1994       4.1%
                                1995       5.8%
                                1996       5.3%
                                1997       5.5%
                                1998       5.4%
                                1999       5.2%

Best quarter return:   2.0 during forth quarter 1990
Worst quarter return:  (0.7%) during third quarter 1993

Average Annual Total Returns (for periods ended December 31, 1999)
- --------------------------------------------------------------------------------

The table below shows the average annual total returns of each Fund for the
past one, five and ten years, if the Fund was operating for those periods, and
the return for the period of the Fund's operations.

The table indicates the risks of investing in the Funds by comparing, for the
same periods, each Fund's returns to those of a broad-based, unmanaged index,
or to Treasury Bills for money market investments. A Fund's past performance
does not necessarily indicate how it will perform in the future.

The average annual total returns shown do not include charges against the
assets of the Separate Accounts that purchase Fund shares. If these charges
were reflected, returns would be less than those shown.


                                      -7-
<PAGE>


<TABLE>
<CAPTION>
                                           Past      Past      Past    For Life
       Fund/Comparative Index(es)        One Year Five Years Ten Years of Fund*
- -------------------------------------------------------------------------------
<S>                                      <C>      <C>        <C>       <C>
Equity-Index Fund.......................   20.6%     28.2%      N/A      21.0%
 S&P 500 Index..........................   21.0%     28.6%               21.4%
- -------------------------------------------------------------------------------
All America Fund**......................   25.8%     26.1%     16.4%     17.3%
 S&P 500 Index(1).......................   21.0%     28.6%     18.2%     18.9%
- -------------------------------------------------------------------------------
Mid-Cap Equity Index Fund...............    N/A       N/A       N/A      11.8%
 S&P MidCap 400 Index(2)................                                 11.8%
- -------------------------------------------------------------------------------
Aggressive Equity Fund..................   43.3%     23.7%      N/A      21.9%
 Russell 2000 Index(3)..................   21.3%     16.7%               14.3%
- -------------------------------------------------------------------------------
Composite Fund..........................   15.2%     16.2%     12.0%     12.8%
 S&P 500 Index..........................   21.0%     28.6%     18.2%     18.9%
 Lehman Brothers Gov't./Corp. Bond
  Index(4)..............................  (2.2)%      7.6%      7.7%      9.1%
 90-day Treasury Bill Rate..............    4.7%      5.2%      5.1%      5.7%
- -------------------------------------------------------------------------------
Bond Fund...............................  (1.9)%      7.5%      7.6%      8.3%
 Lehman Brothers Gov't./Corp. Bond
  Index.................................  (2.2)%      7.6%      7.7%      9.1%
- -------------------------------------------------------------------------------
Mid-Term Bond Fund......................    1.4%      6.9%      N/A       5.5%
 Salomon Brothers 3-7 Year Bond
  Index(5)..............................    1.0%      7.2%                5.8%
- -------------------------------------------------------------------------------
Short-Term Bond Fund....................    4.2%      5.7%      N/A       5.0%
 Salomon Brothers 1-3 Year Bond
  Index(5)..............................    3.3%      6.6%                5.5%
- -------------------------------------------------------------------------------
Money Market Fund.......................    5.1%      5.4%      5.2%      5.7%
 90-day Treasury Bill Rate..............    4.7%      5.2%      5.1%      5.7%
 7-day current yield for period ended
  12/28/99 was 5.89%
 7-day effective yield (reflecting the
  compounding of interest) for period
  ended 12/28/99 was 6.06%
- -------------------------------------------------------------------------------
</TABLE>

N/A = Not applicable

 *  The Funds commenced operations on the following dates: All America,
    Composite, Bond and Money Market Funds -- January 1, 1985; Equity Index,
    Mid-Term Bond and Short-Term Bond Funds -- February 5, 1993; Aggressive
    Equity Fund -- May 2, 1994; and Mid-Cap Equity Index Fund -- May 3, 1999.

**  Prior to May 2, 1994, the All America Fund was known as the Stock Fund, had
    a different investment objective and did not have any subadvisers.

(1)  The S&P 500 Index is the Standard & Poor's Composite Index of 500 Stocks,
     a market value-weighted index of the common stock prices of companies
     included in the S&P 500.

(2)  The S&P MidCap 400 Index is the Standard & Poor's MidCap 400 Index, a
     market value-weighted index of 400 stocks issued by U.S. companies with
     medium market capitalizations.

(3)  The Russell 2000 Index is a market capitalization-weighted index of common
     stock prices of the smallest 2000 companies in the Russell 3000, generally
     with capitalizations of $1 billion or less.

(4)  The Lehman Brothers Government/Corporate Bond Index is an index of U.S.
     Government and corporate bond prices of investment grade bonds with
     maturities greater than one year and face values over $1 million.

(5)  The Salomon Brothers Bond Index, for 1-3 years and for 3-7 years, is a
     market capitalization-weighted index of Treasury, Agency, mortgage and
     corporate bonds in the Salomon Brothers Broad Investment-Grade Bond Index
     with the same maturities and values of $25-$50 million (at least $200
     million for mortgage-backed bonds).


                                      -8-
<PAGE>

 MANAGEMENT OF THE FUNDS

The Adviser
- --------------------------------------------------------------------------------

Mutual of America Capital Management Corporation, 320 Park Avenue, New York,
New York 10022 (the Adviser or Capital Management) is the investment adviser
for the Funds of the Investment Company. The Adviser had total assets under
management of approximately $8.1 billion at December 31, 1999. As Adviser,
Capital Management:

  . places orders for the purchase and sale of
    securities,

  . engages in securities research,

  . makes recommendations to and reports to the
    Investment Company's Board of Directors,

  .  supplies administrative, accounting and
     recordkeeping services for the Funds, and

  .  provides the office space, facilities, equipment,
     material and personnel necessary to perform its
     duties.

For its investment management services, the Adviser receives compensation from
each Fund at an annual rate of the Fund's net assets, calculated as a daily
charge. These annual rates, which were applicable during 1999, are:

  . All America, Composite, Bond, Mid-Term Bond and
    Short-Term Bond Funds -- .50%

  . Aggressive Equity Fund -- .85%

  . Equity Index and Mid-Cap Equity Index Funds --
     .125%

  . Money Market Fund -- .25%

The Adviser voluntarily limits the expenses of each Fund, other than for
brokers' commissions, transfer taxes and other fees relating to portfolio
transactions, to the amount of the investment advisory fee paid by the Fund to
the Adviser. The Adviser may discontinue this expense limitation at any time.

Subadvisers for a Portion of the All America Fund
- --------------------------------------------------------------------------------

The Adviser has delegated its investment advisory responsibilities for a
portion of the All America Fund to two Subadvisers. Each Subadviser provides
investment advice for approximately 10% of the assets of the All America Fund.
The Adviser pays the Subadvisers for their advisory services to the All America
Fund.

  . Fred Alger Management, Inc., One World Trade
    Center, New York, New York 10048, is a small
    capitalization growth adviser for its portion of
    the All America Fund. It provides investment
    management services to institutional, corporate and
    individual clients, including other registered
    management investment companies. At December 31,
    1999, Alger Management had assets under management
    of approximately $17.4 billion.

  . Oak Associates, Ltd., 3875 Embassy Parkway, Suite
    250, Akron, Ohio 44333, is a mid- and large
    capitalization growth adviser for its portion of
    the All America Fund. It provides investment
    management services for individual and corporate
    clients, primarily in connection with retirement
    plans. At December 31, 1999, Oak Associates had
    assets under management of approximately $21.3
    billion.

                                      -9-
<PAGE>

Portfolio Managers
- --------------------------------------------------------------------------------

The person(s) primarily responsible for the day-to-day management of the Funds'
investment portfolios are listed below. No information is given for the Money
Market Fund because of the type of investments it makes. No information is
given for the Equity Index Fund, the Indexed Assets of the All America Fund or
the Mid-Cap Equity Index Fund, because the investment objective for each is to
replicate the performance of an index.

All America Fund

Thomas P. Larsen, Executive Vice President of the Adviser, is responsible for
managing the Adviser's portions of the actively managed assets of the Fund. Mr.
Larsen joined the Adviser in June 1998 from his position as Senior Vice
President of Desai Capital Management. He has almost 30 years of experience in
selecting securities for and managing equity portfolios.

David D. Alger and Selai Khoo are primarily responsible for the day-to-day
management of the Alger Management portion of the Fund. Mr. Alger, President
and Chief Executive Officer of Alger Management, has been employed by Alger
Management since 1971 and has been President since 1995, and he serves as
portfolio manager for other mutual funds and investment accounts managed by
Alger Management. Ms. Khoo has been employed by Alger Management since 1989, as
a senior research analyst until 1995 and as a Senior Vice President and
portfolio manager since 1995.

James D. Oelschlager is the portfolio manager of the Oak Associates portion of
the Fund. Since establishing Oak Associates in 1985, Mr. Oelschlager has served
as its portfolio manager. Previously, he served as the Assistant Treasurer of
Firestone Tire & Rubber Company, where he was directly responsible for the
management of the company's pension assets. Mr. Oelschlager is assisted with
portfolio management responsibilities by Donna Barton, trading, Margaret
Ballinger, new accounts, and Doug MacKay, equity research. These individuals
have combined experience of over seventy years in the investment business and
play a key role in the day-to-day management of the firm's portfolios.

Aggressive Equity Fund

Thomas P. Larsen, Executive Vice President of the Adviser, has responsibility
for managing the Fund. Mr. Larsen, who has almost 30 years of experience in
selecting securities for and managing equity portfolios, joined the Adviser in
June 1998 and before that was Senior Vice President of Desai Capital
Management.

Composite Fund

Thomas P. Larsen, Executive Vice President of the Adviser, is responsible for
managing the equity portion of the Fund. Mr. Larsen, who joined the Adviser in
June 1998 and whose most recent prior position was as Senior Vice President of
Desai Capital Management. He has almost 30 years of experience in selecting
securities for and managing equity portfolios.

Andrew L. Heiskell, Executive Vice President of the Adviser, is responsible for
managing the fixed income portion of the Fund. Mr. Heiskell has more than 30
years of experience in selecting securities for and managing fixed-income
portfolios.

Bond Fund, Mid-Term Bond Fund and Short-Term Bond Fund

Andrew L. Heiskell, Executive Vice President of the Adviser, has responsibility
for setting the fixed income investment strategy and overseeing the day-to-day
operations of the Bond Fund, the Mid-Term Bond Fund and the Short-Term Bond
Fund. He has been the portfolio manager for the Bond Fund since February 1991
and of the Mid-Term and Short-Term Bond Funds since their inception in 1993.
Mr. Heiskell has more than 30 years of experience in selecting securities for
and managing fixed-income portfolios.

                                      -10-
<PAGE>

 DETAILS ABOUT HOW OUR FUNDS INVEST AND RELATED RISKS
Investment Objectives and Strategies
- --------------------------------------------------------------------------------

Equity Index Fund: The investment objective of the Equity Index Fund is to
provide investment
             results that correspond to the performance of the S&P 500 Index.

The Fund seeks to achieve its objective primarily by:

  . Purchasing shares of the 500 common stocks that are
    included in the S&P 500 Index.

    .Stocks are selected in the order of their
     weightings in the S&P 500 Index, beginning with
     the heaviest weighted stocks.

    .The percentage of the Fund's assets invested in
     each of the selected stocks will be approximately
     the same as the percentage the stock represents
     in the S&P 500 Index.

    .The Fund attempts to be fully invested at all
     times, and at least 80% of the Fund's net assets
     will be invested in the stocks that comprise the
     S&P 500 Index.

  . Purchasing futures contracts on the S&P 500 Index
    and options on futures contracts on the S&P 500
    Index to invest cash prior to the purchase of
    common stocks, in an attempt to have the Fund's
    performance more closely correlate with the
    performance of the S&P 500 Index.

The Adviser uses a computer program to determine which stocks are to be
purchased or sold to copy the S&P 500 Index. From time to time, the Fund makes
adjustments in its portfolio (rebalances) because of changes in the composition
of the S&P 500 Index or in the valuations of the stocks within the Index
relative to other stocks within the Index.

The Fund's investment performance may not precisely duplicate the performance
of the S&P 500 Index, due to cash flows in and out of the Fund and investment
timing considerations. The Fund also pays investment advisory expenses that are
not applicable to an unmanaged index such as the S&P 500 Index.

All America Fund: The investment objective of the All America Fund is to
            outperform the S&P 500 Index by investing in a diversified
            portfolio of primarily common stocks.

At least 65% of the All America Fund's total assets will be invested in equity
securities under normal market conditions. The issuers of at least 80% of the
Fund's total assets will be United States corporations or entities.

Indexed Assets. The Fund invests approximately 60% of its assets to provide
investment results that correspond to the performance of the S&P 500 Index.
This portion of the All America Fund is called the Indexed Assets. The Fund
invests Indexed Assets in the 500 common stocks included in the S&P 500 Index
and in futures contracts on the S&P 500 Index. The Fund attempts to match the
weightings of stocks in the Indexed Assets with the weightings of those stocks
in the S&P 500 Index, and it periodically rebalances the Indexed Assets to
maintain those weightings.

Active Assets. The Fund invests approximately 40% of its assets to seek to
achieve a high level of total return, through both appreciation of capital and,
to a lesser extent, current income, by means of a diversified portfolio of
primarily common stocks with a broad exposure to the market. The Adviser and
two Subadvisers actively manage this portion of the All America Fund, which is
called the Active Assets.

 ..............................................................

 Standard & Poor's(R) (S&P(R)) does not sponsor,
 endorse, sell or promote the Equity Index Fund, All
 America Fund or Mid-Cap Equity Index Fund. Standard &
 Poor's, S&P, the S&P 500 Index and the S&P MidCap 400
 Index are trademarks of The McGraw-Hill Companies,
 Inc. and have been licensed for use by the Investment
 Company. Standard & Poor's has no obligation or
 liability for the sale or operation of the Equity
 Index Fund, All America Fund or Mid-Cap Equity Index
 Fund and makes no representation as to the
 advisability of investing in the Funds.

                                      -11-
<PAGE>


The Fund tries to maintain, to the extent possible, approximately equal amounts
in each segment of the Active Assets. The Adviser periodically rebalances
assets in the All America Fund to retain the approximate 60%/40% relationship
between Indexed Assets and Active Assets, based on then current market values.

Adviser -- Small Capitalization Value Stocks. The Adviser generally invests in
stocks that it considers undervalued and with the potential for above average
investment returns, issued by companies with small market capitalizations. Some
of the companies whose stocks the Adviser selects may have limited Wall Street
coverage and low institutional ownership, which may make the stocks more
difficult to sell in certain market conditions.

  . The Adviser seeks securities with a depressed
    valuation compared to their previous valuations or
    compared to a universe of peer companies. The
    Adviser determines depressed valuation primarily
    through consideration of earnings, cash flow or net
    equity.

  . Issuers must have executive management that the
    Adviser considers strong and capable of executing a
    clear business strategy for the company.

The Adviser may at times actively trade the securities in this segment of the
All America Fund, depending on market conditions.

Adviser -- Large Capitalization Value Stocks. The Adviser invests this portion
of Active Assets in stocks it considers to be of high quality with lower than
average price volatility and low price/earning ratios, issued by companies with
large market capitalizations. Companies generally will have:

  . below market debt levels,

  . earnings growth of 10% or more,

  . current yield greater than the average of the S&P
    500, and

  . market capitalization not less than that of any
    company included in the S&P Barra Value Index,
    updated quarterly.

The Adviser may at times actively trade the securities in this segment of the
All America Fund, depending on market conditions.

Fred Alger Management, Inc. -- Small Capitalization Growth Stocks. This
Subadviser invests in stocks that it considers to be fundamentally sound with
the potential for strong growth and for earnings in excess of market
expectations, issued by companies with small market capitalizations.

  . The securities of these companies often are traded
    in the over-the-counter market.

  . Except during temporary defensive periods, at least
    65% of the assets in the Fred Alger portfolio will
    be invested in equity securities of companies that,
    at the time of the Fund's purchase, have total
    market capitalization within the range of
    capitalization of the companies included in the
    Russell 2000 Growth Index or the S&P SmallCap 600
    Index, updated quarterly. During defensive periods,
    Fred Alger may not achieve the investment objective
    for its portion of the All America Fund.

Fred Alger uses a bottom-up approach in selecting stocks for its portion of the
Fund. Through in-house research by analysts who are organized according to
industry groups, it develops stock selection recommendations that are presented
to executive officers and portfolio managers for evaluation and discussion. The
portfolio manager for the Fred Alger portion of the Fund then determines the
individual stocks that are appropriate for purchase. Fred Alger actively trades
the securities in its portion of the All America Fund, and its portfolio
turnover rate generally will be higher than the portfolio turnover rate for the
other portions of the Active Assets.

                                      -12-
<PAGE>

Oak Associates, Ltd. -- Mid- and Large Capitalization Growth Stocks. This
Subadviser invests in mid- and large capitalization stocks, which often have
low current income and the potential for significant growth. Its approach is
to:

  . monitor 400 stocks,

  . at any one time to invest in approximately 15-25
    common stocks without regard for market industry
    weighting, and

  . usually hold securities that have appreciated in
    value, rather than selling them to realize capital
    gains.

Oak Associates identifies industries it believes are attractive from a long-
term perspective, based on the direction of interest rates, the overall stock
market environment, the inflation rate and evolving relationships of economic
sectors. In selecting individual stocks, Oak Associates evaluates companies'
growth prospects and utilizes relative valuation measures such as price to
earnings ratio as compared to long-term growth rate, historical levels and the
S&P 500 Index.

Active trading of the Active Assets, if it occurs, will result in higher
transaction costs for the Fund.

Mid-Cap Equity Index Fund: The investment objective of the Mid-Cap Equity Index
Fund is to
                   provide investment results that correspond to the
                   performance of the S&P MidCap 400 Index.

The Fund seeks to achieve its objective primarily by:

  . Purchasing shares of the 400 common stocks that are
    part of the S&P MidCap 400 Index.

    .Stocks are selected in the order of their
     weightings in the S&P MidCap 400 Index, beginning
     with the heaviest weighted stocks.

    .The percentage of the Fund's assets invested in
     each of the selected stocks will be approximately
     the same as the percentage the stock represents
     in the S&P MidCap 400 Index.

    .The Fund attempts to be fully invested at all
     times, and at least 80% of the Fund's net assets
     will be invested in the stocks that comprise the
     S&P MidCap 400 Index.

  . Purchasing futures contracts on the S&P MidCap 400
    Index and options on futures contracts on the S&P
    400 Index to invest cash prior to the purchase of
    common stocks, in an attempt to have the Fund's
    performance more closely correlate with the
    performance of the S&P MidCap 400 Index.

The Adviser uses a computer program to determine which stocks are to be
purchased or sold to copy the S&P MidCap 400 Index. From time to time, the Fund
makes adjustments in its portfolio (rebalances) because of changes in the
composition of the S&P MidCap 400 Index or in the valuations of the stocks
within the Index relative to other stocks within the Index.

There is a risk that the Fund's investment performance may not precisely
duplicate the performance of the S&P MidCap 400 Index, due to cash flows in and
out of the Fund and investment timing considerations. The Fund also pays
investment advisory expenses that are not applicable to an unmanaged index such
as the S&P MidCap 400 Index.


                                      -13-
<PAGE>

Aggressive Equity Fund: The investment objective of the Aggressive Equity Fund
is capital appreciation.

The Fund invests in growth stocks and value stocks, and the Adviser determines
the percentage of the Fund's assets invested in growth stocks or value stocks
at any one time. At least 85% of the Aggressive Equity Fund's total assets will
be invested in equity securities under normal market conditions.

  . Growth stocks are stocks that the Adviser considers
    to have above-average growth potential, based on
    earnings, sales or prospective economic or
    political changes.

  . Value stocks are stocks that the Adviser views as
    undervalued, based on the issuer's assets, earnings
    or growth potential.

The Adviser uses a "bottom-up" approach in selecting stocks for the Fund (see
definition below). The Adviser continually reviews the universe of companies
with small market capitalization to identify securities with growth or value
characteristics that meet its requirements. In evaluating an individual
security, the Adviser determines the security's valuation relative to other
securities in the same sector or industry.

Some of the stocks the Fund purchases have small market capitalizations and may
be traded-over-the counter instead of on an exchange. During different market
cycles, either growth or value stocks may be out of favor with investors and
may have more market risk (price volatility) than larger capitalization stocks.

Composite Fund: The investment objective of the Composite Fund is to achieve as
           high a total rate of return, through both appreciation of capital
           and current income, as is consistent with prudent investment risk by
           means of a diversified portfolio of common stocks, debt securities
           and money market instruments.

The Adviser varies the portion of the Fund's assets invested in each category
of securities, based on economic conditions, the general level of common stock
prices, interest rates and other relevant considerations.

  . The Fund invests in publicly-traded common stocks
    for long-term growth of capital and, to a lesser
    extent, income from dividends.

  . It invests in publicly-traded, investment grade
    debt securities and money market instruments for
    current income.

  . At December 31, 1999, the Fund's net assets were
    64% invested in equity securities, 34% invested in
    fixed-income securities and 2% invested in money
    market instruments.

For defensive purposes, the Fund may invest up to 75% of its assets in common
stock and other equity-type securities, or up to 75% of its assets in debt
securities with a remaining maturity of more than one year, or 100% of its
assets in money market instruments.

The Fund's current strategy for its equity investments is to invest in
approximately 75 to 100 stocks, all of which are included in the S&P 500 Index.

  . The Fund selects approximately 25 stocks of
    companies with the largest market capitalizations
    and invests in these stocks in a range by market
    weight of 50%-150% of the S&P 500 Index market
    weight for these stocks.

  . The Adviser selects approximately 50 to 75
    additional stocks, based on its stock selection
    analysis. The Fund invests in these stocks in a
    range by economic sector weighting of 65% to 135%
    of the economic sector weightings of the S&P 500
    Index.

The Fund's current strategy for its fixed income investments is to invest
primarily in investment grade debt securities of U.S. corporations, the U.S.
Government and U.S. Government agencies. The Adviser manages this portion of
the Composite Fund in substantially the same way as it manages the Bond Fund,
described below.

 .........................................................

Definition We Use

 -- Bottom-up investing means that the Adviser evaluates an issuer of
  securities before purchasing those securities for the Fund, without taking
  into account possible changes in the general economy.


                                      -14-
<PAGE>


Bond Fund: The primary investment objective of the Bond Fund is to provide as
        high a level of current income over time as is believed to be
        consistent with prudent investment risk. A secondary objective is
        preservation of shareholders' capital.

The average maturity of the debt securities held by the Bond Fund will vary
according to market conditions and the stage of the interest rate cycle. The
Fund's Adviser anticipates that the average maturity of the Fund's securities
holdings will be between five and ten years. The average maturity for the Bond
Fund will be longer than the average maturity of the debt securities held by
the Mid-Term Bond Fund.

The Fund invests at least 80% of its assets in investment grade debt
obligations issued by U.S. corporations or by the U.S. Government or its
agencies.

  . The Fund invests in various types of debt
    securities, including bonds, mortgage-backed
    securities, zero coupon securities and asset-backed
    securities, with ratings that range from AAA to BBB
    at the time of purchase.

  . The percentage of the Fund's portfolio invested in
    corporate securities and the percentage invested in
    U.S. Government and agency securities will vary,
    depending on market conditions and the Adviser's
    assessment of the income and returns available from
    corporate securities in relation to the risks of
    investing in these securities.

  . At December 31, 1999, the Bond Fund had
    approximately 15% of its net assets invested in
    zero coupon securities and 1.6% of its net assets
    in U.S. Government agency mortgage-backed
    securities. At that date, the Fund had invested
    47.2% of its net assets in obligations rated AAA,
    34.8% of its net assets in corporate obligations
    rated BBB and 6.7% of its net assets in corporate
    obligations rated below BBB due to ratings
    downgrades subsequent to purchase by the Fund.

The Adviser uses a "bottom-up" approach in selecting debt securities for the
Fund (see definition on page 14). The Adviser's approach generally is to
purchase securities for income. In selecting an individual security, it reviews
historical financial measures and considers the price and yield relationship to
other securities to determine a proper relative value for the security.

The Fund does not generally purchase and sell securities in anticipation of
interest rate changes in the economy. The Adviser may sell a security that it
considers to have become overvalued relative to alternative investments, and
reinvest in an alternative security.

Mid-Term Bond Fund: The primary investment objective of the Fund is to provide
as high a level of
               current income over time as is believed to be consistent with
               prudent investment risk. A secondary objective is preservation
               of shareholders' capital. The average maturity of the Fund's
               securities holdings will be between three and seven years.

The Fund invests at least 80% of its assets in investment grade debt
obligations issued by United States corporations or issued by the U.S.
Government or its agencies.

  . The Fund invests in various types of debt
    securities, including bonds, mortgage-backed
    securities, zero coupon securities and asset-backed
    securities, with ratings that range from AAA to
    BBB.

  . The percentage of the Fund's portfolio invested in
    corporate securities and the percentage invested in
    U.S. Government and agency securities will vary,
    depending on market conditions and the Adviser's
    assessment of the income and returns available from
    corporate securities in relation to the risks of
    investing in these securities.

  . At December 31, 1999, the Mid-Term Bond Fund had no
    investment in zero coupon securities and
    approximately 16% of its net assets in U.S.
    Government agency mortgage-backed securities. At
    that date, the Fund had invested 49.6% of its net
    assets in obligations rated AAA, 31.5% in corporate
    obligations rated BBB and 5.6% in obligations rated
    BB.

The Adviser uses a "bottom-up" approach in selecting securities for the Mid-
Term Bond Fund. Its approach generally is to purchase securities for income. In
selecting an individual security, the Adviser reviews historical financial
measures and considers the price and yield relationship to other securities to
determine a proper relative value for the security.

The Fund generally does not purchase and sell securities in anticipation of
interest rate changes in the economy. The Adviser may sell a security in the
Fund's portfolio that the Adviser considers to have become overvalued relative
to alternative investments.

                                      -15-
<PAGE>

Short-Term Bond Fund: The primary investment objective of the Fund is to
provide as high a level
                of current income over time as is believed to be consistent
                with prudent investment risk. A secondary objective is
                preservation of shareholders' capital. The average maturity of
                the Fund's securities holdings will be between one and three
                years.

The Fund invests at least 80% of its assets in investment grade debt
obligations issued by United States corporations or by the U.S. Government or
its agencies and in money market instruments of the type that the Money Market
Fund purchases.

  . At times, the Fund may invest a significant portion
    of its assets in mortgage-backed securities.

  . At December 31, 1999, the Short-Term Bond Fund had
    approximately 4% of its net assets in U.S.
    Government securities and 64% of its net assets in
    U.S. Government agency mortgage-backed securities.

Most of the mortgage-backed securities the Fund purchases are considered to be
U.S. Government agency securities, with issuers such as Ginnie Mae and Fannie
Mae. U.S. Government and agency securities have little financial risk, but
mortgage-backed securities do have market risk and the prepayment risks
specific to mortgage-backed securities. When interest rates change, mortgage-
backed securities may prepay at a faster or slower rate than originally
anticipated, which may negatively affect their yield and price.

Money Market Fund: The investment objective of the Fund is to realize high
current income to the
              extent consistent with the maintenance of liquidity, investment
              quality and stability of capital.

In selecting specific investments for the Fund, the Adviser seeks securities or
instruments with the highest yield or income that meet the following
requirements.

  . The Fund invests only in money market instruments
    and other short-term debt securities including
    commercial paper issued by U.S. corporations and
    Treasury securities issued by the U.S. Government.
    At December 31, 1999, the Fund was 100% invested in
    commercial paper.

  . All of the securities the Fund purchases have a
    rating in one of the two highest rating categories
    from at least two nationally recognized rating
    agencies, and sustantially all (at least 95%) have
    a rating in the highest category from at least two
    of these rating agencies.

  . At the time of purchase, a security must mature in
    13 months or less (or 25 months for U.S. Government
    securities). The dollar-weighted average maturity
    of the Fund's securities must be 90 days or less.

  . The Fund will not invest more than 5% of its total
    assets in the securities of any one issuer, other
    than U.S. Government or agency securities.

The Fund does not maintain a stable net asset value. The Fund does not declare
dividends daily, and income the Fund earns on its portfolio holdings increases
the Fund's net asset value per share until the Fund declares a dividend. At
least yearly the Fund distributes investment income to its shareholders, and
the Fund's net asset value per share declines as a result of the distribution.

The Fund uses the amortized cost method of valuing securities that have a
remaining term to maturity of 60 days or less. Because the Fund uses market
value for securities that mature in more than 60 days, the Fund does not invest
more than 20% of its assets in these securities, to limit the possibility of a
decline in the Fund's net asset value.

An investment in the Fund has little market or financial risk but a relatively
high level of current income volatility, because its portfolio holdings are
high quality instruments that have a short time to maturity. Investments in the
Money Market Fund are not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other U.S. Government agency.

                                      -16-
<PAGE>

Risks of Investing in Stock Funds
- --------------------------------------------------------------------------------

When you invest in a stock fund, and for the equity portion of a composite
fund, you should consider that:

  . The fund is subject to market risk -- the value of your investment will go
    up or down, depending on movements in the stock markets. As a result, you
    may lose money from your investment, or your investment may increase in
    value.

  . The investment results for a particular Fund may be better or worse than
    the results for the stock markets taken as a whole, depending on the type
    of securities in which the Fund invests.

  . The investment results for a particular Fund may be better or worse than
    the results of other funds that invest in the same types of securities. In
    other words, stock selection by a Fund's investment adviser(s) will impact
    the Fund's performance.

  . The prices and investment performance of stocks that are issued by
    companies with smaller market capitalizations may fluctuate more than the
    prices and investment performance of stocks that are issued by companies
    with larger market capitalizations.

  . A Fund may have more difficulty selling a small cap stock or any stock
    that trades "over-the-counter", as compared to larger capitalization
    stocks or stocks that trade on a national or regional stock exchange.

  . Value stocks and growth stocks usually have different investment results,
    and either investment style may become out of favor with stock investors
    at a given time.

Risks of Investing in Bond Funds
- --------------------------------------------------------------------------------

When you invest in a bond fund, and for the debt securities portion of a
composite fund, you should consider that:

  . The fund has market risk -- the value of your investment will go up or
    down depending on movements in the bond markets. As a result, you may lose
    money from your investment, or your investment may increase in value.

  . The investment results for a particular Fund may be better or worse than
    the results for the comparable bond market taken as a whole, depending on
    the type of debt securities in which the Fund invests.

  . The investment results for a particular Fund may be better or worse than
    the results of other funds that invest in the same types of securities. In
    other words, security selection by a Fund's investment adviser will impact
    the Fund's performance.

  . Changes in prevailing interest rates usually will impact the value of debt
    securities. The longer the time period before the security matures (or is
    expected to be redeemed), the more impact interest rate changes will have
    on the price of the bond. When interest rates rise, the prices of
    outstanding debt securities tend to fall. When interest rates fall, the
    prices of outstanding debt securities tend to rise.

  . Mortgage-backed securities or certificates are subject to prepayment or
    extension risk when interest rates change. When interest rates fall, the
    underlying mortgages may be prepaid at a faster rate than previously
    assumed in pricing the mortgage-backed security, which would shorten the
    period to maturity of the security. When interest rates rise, the
    underlying mortgages may be prepaid at a slower rate than previously
    assumed, which would lengthen the period to maturity of the security.

  . In periods of economic uncertainty, investors may favor U.S. government
    debt securities over debt securities of corporate issuers, in which case
    the value of corporate debt securities would decline in relation to the
    value of U.S. government debt securities.

  . Zero coupon securities and discount notes do not pay interest, and they
    may fluctuate more in market value and be more difficult for a Fund to
    resell during periods of interest rate changes than comparable securities
    that pay interest in cash at regular intervals. In addition, the Fund may
    lose a portion of the principal amount of a zero coupon security if it
    sells the security after an increase in interest rates.

  . Unrated securities or securities rated below investment grade may be
    subject to a greater market risk than higher rated (lower yield)
    securities. Since lower rated and unrated securities are generally issued
    by corporations that are not as creditworthy or financially secure as
    issuers of higher rated securities, there is a greater risk that issuers
    of lower rated (higher yield) securities will not be able to pay the
    principal and interest due on such securities, especially during periods
    of adverse economic conditions.

  . The market for debt securities may be subject to significant volatility,
    and volatility has generally increased in recent years.

                                      -17-
<PAGE>


Specific Investments or Strategies, and Related Risks
- --------------------------------------------------------------------------------

This section provides additional information about certain of the principal
investment strategies used by the Funds and additional investment strategies
the Funds may use from time to time.

Options and Futures Contracts

Investment Strategies. All of the Funds may purchase and sell put and call
options contracts, futures contracts and options on futures contracts.
Depending on the types of securities in which a Fund invests, the contracts
relate to fixed-income securities (including U.S. Government and agency
securities), equity securities or indexes of securities. All contracts must
relate to U.S. issuers or U.S. stock indexes.

A put option on a security gives the Fund the right to sell the security at a
certain price. The purchase of a put option on a security protects the Fund
against declines in the value of the security. A Fund may buy a put option
contract on a security only if it holds the security in its portfolio.

A call option on a security gives the Fund the right to buy the security at a
certain price. The purchase of a call option on a security protects the Fund
against increases in the value of the security that it is considering
purchasing. A Fund may sell a call option contract on a security only if it
holds the security in its portfolio (a covered call).

A Fund may use futures contracts, or options on futures contracts, to protect
against general increases or decreases in the levels of securities prices:

  . When a Fund anticipates a general decrease in the
    market value of portfolio securities, it may sell
    futures contracts. If the market value falls, the
    decline in the Fund's net asset value may be
    offset, in whole or in part, by corresponding gains
    on the futures position.

  . When a Fund projects an increase in the cost of
    fixed-income securities or stocks to be acquired in
    the future, the Fund may purchase futures contracts
    on fixed-income securities or stock indexes. If the
    hedging transaction is successful, the increased
    cost of securities subsequently acquired may be
    offset, in whole or in part, by gains on the
    futures position.

Risks from Options and Futures Contracts. Risks to a Fund in options and
futures transactions include:

  . The securities held in a Fund's portfolios may not
    exactly duplicate the security or securities
    underlying the options, futures contracts or
    options on futures contracts traded by the Fund,
    and as a result the price of the portfolio
    securities being hedged will not move in the same
    amount or direction as the underlying index,
    securities or debt obligation.

  . A Fund purchasing an option may lose the entire
    amount of the premium plus transaction costs.

  . If a Fund has written a covered call option and the
    price of the underlying security increases
    sufficiently, the option may be exercised. The Fund
    will be required to sell the security at a price
    below current market value with the loss offset
    only by the amount of the premium the Fund received
    from writing the option.

Zero Coupon Securities and Discount Notes

The Bond Funds and the fixed income portion of the Composite Fund, as well as
the All America Fund and the Aggressive Equity Fund to the extent they invest
in fixed income securities, may invest in discount notes and zero coupon
securities. Discount notes mature in one year or less from the date of
issuance. Zero coupon securities may be issued by corporations, the U.S.
Government or certain U.S. Government agencies. Discount notes and zero coupon
securities do not pay interest. Instead, they are issued at prices that are
discounted from the principal (par) amount due at maturity.

Risks from Zero Coupon Securities and Discount Notes. Zero coupon securities
and discount notes may fluctuate more in market value and be more difficult for
a Fund to resell during periods of interest rate changes in the economy than
comparable securities that pay interest in cash at regular intervals. The
market values of outstanding debt securities generally decline when interest
rates are rising, and during such periods a Fund may lose more investment
capital if it sells zero coupon securities prior to their maturity date or
expected redemption date than if it sells comparable interest-bearing
securities. In general, the longer the remaining term to maturity or expected
redemption of a security, the greater the impact on market value from rising
interest rates.

                                      -18-
<PAGE>


Redeemable Securities

An issuer of debt securities, including zero coupon securities, often has the
right after a period of time to redeem (call) securities prior to their stated
maturity date, either at a specific date or from time to time. When interest
rates rise, an issuer of debt securities generally is less likely to redeem
securities that were issued at a lower interest rate, or for a lower amount of
original issue discount in the case of zero coupon securities. In such
instance, the period until redemption or maturity of the security may be longer
than the purchaser initially anticipated, and the market value of the debt
security may decline. If an issuer redeems a security when prevailing interest
rates are relatively low, a Fund may be unable to reinvest proceeds in
comparable securities with similar yields.

American Depository Receipts ("ADRs")

ADRs are dollar-denominated receipts that U.S. banks generally issue. An ADR
represents the deposit with the bank of a security of a foreign issuer. ADRs
are publicly traded on exchanges or are traded over-the-counter in the United
States. An ADR has currency risk, because its value is based on the value of
the security issued by a foreign issuer. The All America Fund and Aggressive
Equity Fund intend to invest a small percentage of their total assets in ADRs.

ADRs are subject to many of the same risks as foreign securities, such as
possible:

  . unavailability of financial information,

  . changes in currency or exchange rates, and

  . difficulty by the Adviser or a Subadviser in
    assessing economic or political trends in a foreign
    country.

Mortgage-Backed Securities

The Bond Funds and the fixed income portion of the Composite Fund, as well as
the All America and Aggressive Equity Funds to the extent they invest in debt
securities, may invest in mortgage-backed securities. These securities
represent interests in pools of mortgage loans, or they may be collateralized
mortgage obligations secured by pools of mortgage loans (CMOs). Holders of
mortgage-backed securities receive periodic payments that consist of both
interest and principal from the underlying mortgages.

Some mortgage-backed securities are issued by private corporations. Mortgage-
backed securities also include securities guaranteed by the Government National
Mortgage Association (Ginnie Maes), securities issued by the Federal National
Mortgage Association (Fannie Maes), and participation certificates issued by
the Federal Home Loan Mortgage Corporation (Freddie Macs). The timely payment
of principal and interest is backed by the full faith and credit of the U.S.
Government (full faith and credit) in the case of Ginnie Maes, but Fannie Maes
and Freddie Macs are not full faith and credit obligations.

Risks from Mortgage-Backed Securities. Characteristics of underlying mortgage
pools will vary, and it is not possible to precisely predict the realized yield
or average life of a particular mortgage-backed security, because of the
principal prepayment feature inherent in the security.

  . A decline in interest rates may lead to increased
    prepayment of the underlying mortgages, and the
    securityholder may have to reinvest proceeds
    received at lower yields. Unscheduled or early
    payments on the underlying mortgages may shorten
    the effective maturity of a mortgage-backed
    security and impact the yield and price of the
    security.

  . An increase in interest rates may lead to
    prepayment of the underlying mortgages over a
    longer time period than was assumed when the
    mortgage-backed security was purchased, and the
    securityholder may not receive payments to reinvest
    at higher rates of return. Delay in payments on the
    underlying mortgages may lengthen the effective
    maturity of the security and impact the price and
    yield of the security.

  . Mortgage-backed securities issued by private
    corporations generally will have more credit risk
    than securities issued by U.S. Government agencies.
    Fannie Mae and Freddie Mac mortgage-backed
    securities, which are not full faith and credit
    obligations, may have more credit risk than Ginnie
    Mae securities.

                                      -19-
<PAGE>

 INFORMATION ABOUT FUND SHARES
Pricing of Funds' Shares
- --------------------------------------------------------------------------------

The purchase or redemption price of a Fund share is equal to its net asset
value that we calculate after we receive the purchase or redemption order. A
Fund's net asset value per share is equal to the sum of the value of the
securities it holds plus any cash or other assets (including accrued interest
and dividends), minus all liabilities (including accrued expenses) divided by
the number of shares outstanding. The Adviser determines a Fund's net asset
value as of the close of trading on the New York Stock Exchange on each day the
New York Stock Exchange is open for trading (a Valuation Day).

In determining a Fund's net asset value, the Adviser uses market value. If a
money market security has a remaining maturity of 60 days or less, the Adviser
will use the amortized cost method of valuation to approximate market value
(the Adviser assumes constant proportionate amortization in value until
maturity of any discount or premium).

If there are any equity or debt securities or assets for which market
quotations are not readily available, the Adviser will use fair value pricing,
as determined in good faith by, or under the direction of, the Board of
Directors of the Investment Company or its Valuation Committee.

Purchase of Shares
- --------------------------------------------------------------------------------

The Investment Company offers shares in the Funds, without sales charge, only
to the Insurance Companies for allocation to their Separate Accounts.
Acceptance by an Insurance Company of an order for allocating account balance
to one of the Separate Account Funds constitutes a purchase order for shares of
the corresponding Fund of the Investment Company.

Redemption of Shares
- --------------------------------------------------------------------------------

The Investment Company redeems all full and fractional shares of the Funds for
cash. The redemption price is the net asset value per share we next determine.
We do not impose any deferred sales charge on redemptions.

We pay redemption proceeds normally within seven days of receipt of the
redemption request, unless the Investment Company suspends or delays payment of
redemption proceeds as permitted in accordance with SEC regulations. Acceptance
by an Insurance Company of an order for withdrawal of account balance from one
of the Separate Account Funds constitutes a redemption order for shares of the
corresponding Fund of the Investment Company.

Dividends, Capital Gains Distributions and Taxes
- --------------------------------------------------------------------------------

For each Fund, the Investment Company declares dividends at least annually to
pay out substantially all of the Fund's net investment income (dividends) and
net realized short and long term capital gains (capital gains distributions).
All dividends and capital gains distributions are reinvested in additional
shares of the distributing Fund.

The Investment Company is not subject to Federal income tax on ordinary income
and net realized capital gains that it distributes to shareholders, as long as
the distributions meet Federal tax law requirements for amount and source of
income. Each Fund is treated as a separate corporation for Federal income tax
purposes and must satisfy the tax requirements independently.

The Insurance Companies, through the Separate Accounts, are the shareholders of
the Investment Company's Funds. Under current Federal tax law, the Separate
Accounts do not pay taxes on the net investment income and realized capital
gains they receive through ownership of the Investment Company's shares.

A contractholder or policyowner should refer to the Contract prospectus or
brochure for a summary discussion of the tax consequences for increases in
account balance and distributions under the Contract.

                                      -20-
<PAGE>

 FINANCIAL HIGHLIGHTS

The financial highlights tables are intended to help you understand the Funds'
financial performance for the past 5 years, or for the period of a Fund's
operations if shorter. Certain information reflects financial results for a
single Fund share. The total returns in the table represent the rate that an
investor would have earned or lost on an investment in the particular Fund
(assuming reinvestment of all dividends and distributions). This information
has been audited by Arthur Andersen LLP, whose report, along with the
Investment Company's financial statements, are included in the annual report,
which is available upon request.

The total returns shown below do not include charges and expenses imposed at
the Separate Account level. Therefore, the returns do not represent the rate
that a contractholder or policyowner would have earned or lost on the portion
of the account balance allocated to the corresponding Separate Account Fund.

Equity Index Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                               Year ended December 31,
                                           ------------------------------------
                                           1999    1998    1997   1996    1995
                                           -----  ------  ------  -----  ------
<S>                                        <C>    <C>     <C>     <C>    <C>
Net Asset Value, Beginning of Year.......  $2.45  $ 2.08  $ 1.59  $1.35  $ 1.02
                                           -----  ------  ------  -----  ------
Income From Investment Operations:
 Net Investment Income...................    .03     .03     .03    .03     .02
 Net Gains or Losses on Securities
  (realized and unrealized)..............    .48     .55     .50    .27     .36
                                           -----  ------  ------  -----  ------
  Total From Investment Operations.......    .51     .58     .53    .30     .38
                                           -----  ------  ------  -----  ------
Less Dividend Distributions
 From net investment income..............   (.03)   (.03)   (.03)  (.03)   (.03)
 From capital gains......................   (.05)   (.17)   (.01)  (.03)   (.02)
                                           -----  ------  ------  -----  ------
  Total Distributions....................   (.08)   (.20)   (.04)  (.06)   (.05)
                                           -----  ------  ------  -----  ------
Net Asset Value, End of Year.............  $2.88  $ 2.45  $ 2.08  $1.59  $ 1.35
                                           =====  ======  ======  =====  ======
Total Return.............................   20.6%   28.6%   33.1%  22.7%   36.6%
Ratios/Supplemental Data
Net Assets, End of Year ($ millions).....  $ 583  $  411  $  237  $ 102  $   43
Ratio of Expenses to Average Net Assets..    .13%    .13%    .13%   .13%    .13%
Ratio of Net Income to Average Net
 Assets..................................   1.34%   1.57%   1.86%  2.19%   2.50%
Portfolio Turnover Rate(a)...............   6.89%  11.68%  14.17%  5.85%  13.99%
</TABLE>


                                      -21-
<PAGE>


All America Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                             Year ended December 31,
                                        --------------------------------------
                                         1999    1998    1997    1996    1995
                                        ------  ------  ------  ------  ------
<S>                                     <C>     <C>     <C>     <C>     <C>
Net Asset Value, Beginning of Year..... $ 2.90  $ 2.71  $ 2.44  $ 2.13  $ 1.61
                                        ------  ------  ------  ------  ------
Income From Investment Operations:
 Net Investment Income.................    .02     .03     .03     .03     .03
 Net Gains or Losses on Securities
  (realized and unrealized)............    .72     .54     .62     .41     .56
                                        ------  ------  ------  ------  ------
  Total From Investment Operations.....    .74     .57     .65     .44     .59
                                        ------  ------  ------  ------  ------
Less Dividend Distributions:
 From net investment income............   (.03)   (.03)   (.03)   (.03)   (.03)
 From capital gains....................   (.24)   (.35)   (.35)   (.10)   (.04)
                                        ------  ------  ------  ------  ------
  Total Distributions..................   (.27)   (.38)   (.38)   (.13)   (.07)
                                        ------  ------  ------  ------  ------
Net Asset Value, End of Year........... $ 3.37  $ 2.90  $ 2.71  $ 2.44  $ 2.13
                                        ======  ======  ======  ======  ======
Total Return...........................   25.8%   21.3%   26.8%   20.7%   36.6%
Ratios/Supplemental Data
Net Assets, End of Year ($ millions)... $  886  $  732  $  700  $  637  $  533
Ratio of Expenses to Average Net
 Assets................................    .50%    .50%    .50%    .50%    .50%
Ratio of Net Income to Average Net
 Assets................................    .73%    .84%    .98%   1.26%   1.57%
Portfolio Turnover Rate(a).............  30.03%  40.47%  28.64%  28.35%  33.63%
</TABLE>

Mid-Cap Equity Index Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                Period Ended
                                                             December 31, 1999*
                                                             ------------------
<S>                                                          <C>
Net Asset Value, Beginning of Period........................       $ 1.00
                                                                   ------
Income From Investment Operations:
 Net Investment Income......................................          .01
 Net Gains or Losses on Securities (realized and
  unrealized)...............................................          .11
                                                                   ------
  Total From Investment Operations..........................          .12
                                                                   ------
Less Dividend Distributions
 From net investment income.................................         (.01)
 From capital gains.........................................           --
                                                                   ------
  Total Distributions.......................................         (.01)
                                                                   ------
Net Asset Value, End of Year................................       $ 1.11
                                                                   ======
Total Return................................................         11.8%**
Ratios/Supplemental Data
Net Assets, End of Year ($ millions)........................       $   34
Ratio of Expenses to Average Net Assets.....................          .13%***
Ratio of Net Income to Average Net Assets...................         1.70%***
Portfolio Turnover Rate(a)..................................        31.67%
</TABLE>
- ------
*The Fund commenced operations on May 3, 1999.
**Total Return is not annualized.

***Annualized.

                                      -22-
<PAGE>


Aggressive Equity Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                           Year ended December 31,
                                    -------------------------------------------
                                     1999     1998      1997    1996     1995
                                    -------  -------   ------  -------  -------
<S>                                 <C>      <C>       <C>     <C>      <C>
Net Asset Value, Beginning of
 Year.............................  $  1.51  $  1.61   $ 1.47  $  1.35  $  1.05
                                    -------  -------   ------  -------  -------
Income From Investment Operations:
 Net Investment Income............       --       --      .01      .01      .01
 Net Gains or Losses on Securities
  (realized and unrealized).......      .65     (.09)     .31      .36      .39
                                    -------  -------   ------  -------  -------
  Total From Investment
   Operations.....................      .65     (.09)     .32      .37      .40
                                    -------  -------   ------  -------  -------
Less Dividend Distributions:
 From net investment income.......       --       --     (.01)    (.01)    (.01)
 From capital gains...............       --     (.01)    (.17)    (.24)    (.09)
                                    -------  -------   ------  -------  -------
  Total Distributions.............       --     (.01)    (.18)    (.25)    (.10)
                                    -------  -------   ------  -------  -------

Net Asset Value, End of Year......  $  2.16  $  1.51   $ 1.61  $  1.47  $  1.35
                                    =======  =======   ======  =======  =======

Total Return......................     43.3%    (5.1)%   21.2%    27.1%    38.2%

Ratios/Supplemental Data
Net Assets, End of Year/Period ($
 millions)........................  $   278  $   205   $  287  $   136  $    59
Ratio of Expenses to Average Net
 Assets...........................      .85%     .85%     .85%     .85%     .85%
Ratio of Net Income to Average Net
 Assets...........................      .01%     .18%     .33%     .45%     .65%
Portfolio Turnover Rate(a)........   134.62%  144.05%   80.94%  103.68%  116.52%
</TABLE>

Composite Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                              Year ended December 31,
                                        ---------------------------------------
                                         1999    1998    1997     1996    1995
                                        ------  ------  -------  ------  ------
<S>                                     <C>     <C>     <C>      <C>     <C>
Net Asset Value, Beginning of Year....  $ 1.78  $ 1.62  $  1.77  $ 1.81  $ 1.57
                                        ------  ------  -------  ------  ------
Income From Investment Operations:
 Net Investment Income................     .06     .07      .07     .07     .08
 Net Gains or Losses on Securities
  (realized and unrealized)...........     .21     .17      .24     .14     .27
                                        ------  ------  -------  ------  ------
  Total From Investment Operations....     .27     .24      .31     .21     .35
                                        ------  ------  -------  ------  ------
Less Dividend Distributions:
 From net investment income...........    (.06)   (.07)    (.07)   (.08)   (.08)
 From capital gains...................    (.08)   (.01)    (.39)   (.17)   (.03)
                                        ------  ------  -------  ------  ------
  Total Distributions.................    (.14)   (.08)    (.46)   (.25)   (.11)
                                        ------  ------  -------  ------  ------

Net Asset Value, End of Year..........  $ 1.91  $ 1.78  $  1.62  $ 1.77  $ 1.81
                                        ======  ======  =======  ======  ======

Total Return..........................    15.2%   14.5%    17.7%   11.9%   21.9%

Ratios/Supplemental Data
Net Assets, End of Year ($ millions)..  $  364  $  336  $   305  $  283  $  276
Ratio of Expenses to Average Net
 Assets...............................     .50%    .50%     .50%    .50%    .50%
Ratio of Net Income to Average Net
 Assets...............................    3.23%   3.68%    3.57%   3.63%   4.30%
Portfolio Turnover Rate(a)............   99.41%  73.85%  104.04%  69.79%  76.84%
</TABLE>

                                      -23-
<PAGE>


Bond Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                            Year ended December 31,
                                       ---------------------------------------
                                        1999     1998    1997    1996    1995
                                       ------   ------  ------  ------  ------
<S>                                    <C>      <C>     <C>     <C>     <C>
Net Asset Value, Beginning of Year.... $ 1.42   $ 1.43  $ 1.38  $ 1.43  $ 1.27
                                       ------   ------  ------  ------  ------
Income From Investment Operations:
 Net Investment Income................    .10      .10     .09     .09     .09
 Net Gains or Losses on Securities
  (realized and unrealized)...........   (.12)      --     .06    (.04)    .16
                                       ------   ------  ------  ------  ------
  Total From Investment Operations....   (.02)     .10     .15     .05     .25
                                       ------   ------  ------  ------  ------
Less Dividend Distributions:
 From net investment income...........   (.10)    (.10)   (.09)   (.09)   (.09)
 From capital gains...................     --     (.01)   (.01)   (.01)     --
                                       ------   ------  ------  ------  ------
  Total Distributions.................   (.10)    (.11)   (.10)   (.10)   (.09)
                                       ------   ------  ------  ------  ------

Net Asset Value, End of Year.......... $ 1.30   $ 1.42  $ 1.43  $ 1.38  $ 1.43
                                       ======   ======  ======  ======  ======

Total Return..........................   (1.9)%    7.2%   10.4%    3.5%   19.4%

Ratios/Supplemental Data
Net Assets, End of Period ($
 millions)............................ $  466   $  465  $  414  $  329  $  311
Ratio of Expenses to Average Net
 Assets...............................    .50%     .50%    .50%    .50%    .50%
Ratio of Net Income to Average Net
 Assets...............................   7.11%    6.73%   6.69%   6.70%   6.64%
Portfolio Turnover Rate(a)............  29.32%   21.60%  57.71%  30.14%  41.93%
</TABLE>

Mid-Term Bond Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                              Year ended December 31,
                                        ---------------------------------------
                                         1999    1998    1997    1996     1995
                                        ------  ------  ------  -------  ------
<S>                                     <C>     <C>     <C>     <C>      <C>
Net Asset Value, Beginning of Year....  $  .91  $  .90  $  .90  $  1.00  $  .91
                                        ------  ------  ------  -------  ------
Income From Investment Operations:
 Net Investment Income................     .05     .05     .05      .14     .06
 Net Gains or Losses on Securities
  (realized and unrealized)...........    (.04)    .01     .01     (.10)    .09
                                        ------  ------  ------  -------  ------
  Total From Investment Operations....     .01     .06     .06      .04     .15
                                        ------  ------  ------  -------  ------
Less Dividend Distributions:
 From net investment income...........    (.05)   (.05)   (.06)    (.14)   (.06)
 From capital gains...................      --      --      --       --      --
                                        ------  ------  ------  -------  ------
  Total Distributions.................    (.05)   (.05)   (.06)    (.14)   (.06)
                                        ------  ------  ------  -------  ------

Net Asset Value, End of Year..........  $  .87  $  .91  $  .90  $   .90  $ 1.00
                                        ======  ======  ======  =======  ======

Total Return..........................     1.4%    6.4%    7.3%     3.9%   16.3%

Ratios/Supplemental Data
Net Assets, End of Year ($ millions)..  $   13  $   15  $   15  $    13  $   24
Ratio of Expenses to Average Net
 Assets...............................     .50%    .50%    .50%     .50%    .50%
Ratio of Net Income to Average Net
 Assets...............................    5.75%   5.76%   5.87%    5.80%   5.73%
Portfolio Turnover Rate(a)............   10.28%  23.09%  12.89%  144.55%  73.72%
</TABLE>

                                      -24-
<PAGE>


Short-Term Bond Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                               Year ended December 31,
                                           ------------------------------------
                                            1999    1998    1997   1996   1995
                                           ------  ------  ------  -----  -----
<S>                                        <C>     <C>     <C>     <C>    <C>
Net Asset Value, Beginning of Year.......  $ 1.03  $ 1.02  $ 1.03  $1.02  $1.00
                                           ------  ------  ------  -----  -----
Income From Investment Operations:
 Net Investment Income...................     .09     .05     .07    .04    .06
 Net Gains or Losses on Securities
  (realized and unrealized)..............    (.04)    .01    (.01)   .01    .02
                                           ------  ------  ------  -----  -----
  Total From Investment Operations.......     .05     .06     .06    .05    .08
                                           ------  ------  ------  -----  -----
Less Dividend Distributions:
 From net investment income..............    (.09)   (.05)   (.07)  (.04)  (.06)
 From capital gains......................      --      --      --     --     --
                                           ------  ------  ------  -----  -----
  Total Distributions....................    (.09)   (.05)   (.07)  (.04)  (.06)
                                           ------  ------  ------  -----  -----

Net Asset Value, End of Year.............  $  .99  $ 1.03  $ 1.02  $1.03  $1.02
                                           ======  ======  ======  =====  =====

Total Return.............................     4.2%    5.7%    6.0%   4.9%   7.7%

Ratios/Supplemental Data
Net Assets, End of Year ($ millions).....  $   12  $   22  $   15  $  16  $   3
Ratio of Expenses to Average Net Assets..     .50%    .50%    .50%   .50%   .50%
Ratio of Net Income to Average Net
 Assets..................................    5.48%   5.46%   5.81%  5.42%  4.65%
Portfolio Turnover Rate(a)...............   44.68%  91.35%  74.95%  6.68% 16.47%
</TABLE>

Money Market Fund
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                Year ended December 31,
                                             ---------------------------------
                                             1999   1998   1997   1996   1995
                                             -----  -----  -----  -----  -----
<S>                                          <C>    <C>    <C>    <C>    <C>
Net Asset Value, Beginning of Year.......... $1.18  $1.18  $1.19  $1.18  $1.19
                                             -----  -----  -----  -----  -----
Income From Investment Operations:
 Net Investment Income......................   .06    .06    .07    .06    .07
 Net Gains or Losses on Securities (realized
  and unrealized)...........................    --     --     --     --     --
                                             -----  -----  -----  -----  -----
  Total From Investment Operations..........   .06    .06    .07    .06    .07
                                             -----  -----  -----  -----  -----
Less: Dividend Distributions From Net
 Investment Income..........................  (.05)  (.06)  (.08)  (.05)  (.08)
                                             -----  -----  -----  -----  -----
  Total Distributions.......................  (.05)  (.06)  (.08)  (.05)  (.08)
                                             -----  -----  -----  -----  -----

Net Asset Value, End of Year................ $1.19  $1.18  $1.18  $1.19  $1.18
                                             =====  =====  =====  =====  =====

Total Return................................   5.1%   5.4%   5.5%   5.3%   5.8%

Ratios/Supplemental Data
Net Assets, End of Year ($ millions)........ $  74  $  81  $  68  $  78  $  73
Ratio of Expenses to Average Net Assets.....   .25%   .25%   .25%   .25%   .25%
Ratio of Net Income to Average Net Assets...  4.93%  5.26%  5.32%  5.21%  5.66%
Portfolio Turnover Rate(a)..................   N/A    N/A    N/A    N/A    N/A
</TABLE>
- ------
N/A = Not Applicable

(a)Portfolio turnover rate excludes all short-term securities.

                                      -25-
<PAGE>



                               Investment Company

                    Mutual of America Investment Corporation

                               Investment Adviser

                Mutual of America Capital Management Corporation

               Subadvisers for a portion of the All America Fund

                          Fred Alger Management, Inc.
                              Oak Associates Ltd.

                              Independent Auditors

                              Arthur Andersen LLP

                                   Custodian

                            The Chase Manhattan Bank

                                  Counsel

                   Swidler Berlin Shereff Friedman, LLP

The Investment Company sells shares of its Funds only to the Separate Accounts
of Mutual of America Life Insurance Company and The American Life Insurance
Company of New York for the variable accumulation annuity and variable
universal life insurance products they issue.


<PAGE>

Mutual of America Investment Corporation

320 Park Avenue, New York, New York 10022

You May Obtain More Information
- -------------------------------------------------------------------------------

Registration Statement. We have filed with the Securities and Exchange
Commission (the Commission) a Registration Statement about the Investment
Company. The Registration Statement includes this prospectus, a Statement of
Additional Information (the SAI), and exhibits. You may examine and copy the
Registration Statement at the Commission's Public Reference Room in
Washington, DC. You may call 1-800-SEC-0330 to learn about the operation of
the Public Reference Room.

Statement of Additional Information. The SAI contains additional information
about the Investment Company and its Funds. We incorporate the SAI into this
Prospectus by reference.

Semi-annual and Annual Reports. Additional information about the Funds'
investments is available in the Investment Company's annual and semi-annual
reports to shareholders. In the annual reports, you will find a discussion
(for all Funds except the Money Market Fund) of the market conditions and
investment strategies that significantly affected the Funds' performance
during its last fiscal year.

How to obtain the SAI and Reports. You may obtain a free copy of the SAI or of
the Investment Company's most recent annual and semi-annual financial
statements, by:

  .  writing to us at 320 Park Avenue, New York, NY 10022, Attn: Investment
     Company,
    or

  .  calling 1-212-224-1600 and asking for the Investment Company.

The Commission has an Internet web site at http://www.sec.gov. You may obtain
the Investment Company's Registration Statement, including the SAI, and its
semi-annual and annual reports through the Commission's Internet site. You
also may obtain copies of these documents, upon your payment of a duplicating
fee, by writing to the Commission's Public Reference Section, Washington, DC
20549-6009.

Where to direct Questions. If you have questions about the operations of the
Investment Company, you should contact your representative at Mutual of
America Life Insurance Company.

Investment Company Act of 1940 Act File Number 811-5084

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

Prospectus dated May 1, 2000
<PAGE>

                   Mutual of America Investment Corporation

                   320 Park Avenue, New York, New York 10022
                                (212) 224-1600

                Equity Index Fund             Bond Fund
                All America Fund              Mid-Term Bond Fund
                Mid-Cap Equity Index Fund     Short-Term Bond Fund
                Aggressive Equity Fund        Money Market Fund
                Composite Fund

                      Statement of Additional Information
                                  May 1, 2000

This Statement of Additional Information is not a prospectus. You should read
it in conjunction with the Mutual of America Investment Corporation Prospectus
dated May 1, 2000, and you should keep it for future use. We incorporate the
Prospectus by reference into this Statement of Additional Information.


A copy of the Prospectus is available to you at no charge. To obtain a copy,
you may write to the Mutual of America Investment Corporation at the above
address or call the telephone number listed above.

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Investment Company's Form of Operations....................................   2
Investment Strategies and Related Risks....................................   2
 Additional Permitted Investments..........................................   2
 Additional Investment Strategies..........................................   5
 Additional Information about Specific Types of Securities.................   9
 Insurance Law Restrictions................................................  12
Fundamental Investment Restrictions........................................  13
Non-Fundamental Investment Policies........................................  13
Management of the Investment Company.......................................  15
Investment Advisory Arrangements...........................................  16
Portfolio Transactions and Brokerage.......................................  18
Purchase, Redemption and Pricing of Shares.................................  20
Taxation of the Investment Company.........................................  21
Distribution Arrangements..................................................  21
Yield and Performance Information..........................................  22
Description of Corporate Bond Ratings......................................  25
Independent Auditors.......................................................  26
Legal Matters..............................................................  26
Custodian..................................................................  26
Use of Standard & Poor's Indices...........................................  26
Financial Statements.......................................................  27
</TABLE>
<PAGE>

                    INVESTMENT COMPANY'S FORM OF OPERATIONS

History and Operating Form
- -------------------------------------------------------------------------------

Mutual of America Investment Corporation (the Investment Company) was formed
on February 21, 1986 as a Maryland corporation. It is a diversified, open-end
management investment company registered under the Investment Company Act of
1940 (the 1940 Act). The Investment Company is a successor to Separate Account
No. 2 of Mutual of America Life Insurance Company (Mutual of America).

The Investment Company issues separate classes (or series) of stock, each of
which represents a separate Fund of investments. There are currently nine
Funds: the Equity Index Fund, All America Fund, Mid-Cap Equity Index Fund,
Aggressive Equity Fund, Composite Fund, Bond Fund, Mid-Term Bond Fund, Short-
Term Bond Fund and Money Market Fund. Prior to May 1, 1994, the All America
Fund was known as the Stock Fund, had different investment objectives and did
not have any subadvisers.

Offering of Shares
- -------------------------------------------------------------------------------

The Investment Company offers Fund shares only to separate accounts of Mutual
of America and Mutual of America's indirect wholly-owned subsidiary, The
American Life Insurance Company of New York (American Life). In this Statement
of Additional Information, Mutual of America and American Life are referred to
as the Insurance Companies and the separate accounts of the Insurance
Companies are referred to as the Separate Accounts.

Contractholders, participants and policyowners of variable annuity contracts
and variable life policies issued by the Insurance Companies allocate their
contributions and premiums to funds of the Separate Accounts. Each Separate
Account has nine Funds that purchase shares in the corresponding Funds of the
Investment Company. The Insurance Companies are the record holders of the
Investment Company Funds' shares.

Description of Shares
- -------------------------------------------------------------------------------

The authorized capital stock of the Investment Company consists of one billion
shares of common stock, $.01 par value. The Investment Company currently has
nine classes of common stock, with each class representing a Fund. The
Investment Company may establish additional Funds and may allocate its
authorized shares either to new classes or to one or more of the existing
classes.

All shares of common stock, of whatever class, are entitled to one vote. The
votes of all classes are cast on an aggregate basis, except that if the
interests of the Funds differ, the voting is on a Fund-by-Fund basis. Examples
of matters that would require a Fund-by-Fund vote are changes in the
fundamental investment policy of a particular Fund and approval of the
Investment Advisory Agreement or a Subadvisory Agreement for the Fund.

The shares of each Fund, when issued, will be fully paid and nonassessable and
will have no preference, preemptive, conversion, exchange or similar rights.
Shares do not have cumulative voting rights.

Each issued and outstanding share in a Fund is entitled to participate equally
in dividends and distributions declared by the Fund and in the net assets of
that Fund upon liquidation or dissolution remaining after satisfaction of
outstanding liabilities. Accrued liabilities that are not allocable to one or
more Funds will generally be allocated among the Funds in proportion to their
relative net assets. In the unlikely event that any Fund incurred liabilities
in excess of its assets, the other Funds could be liable for the excess.

                    INVESTMENT STRATEGIES AND RELATED RISKS

The Prospectus describes each Fund's principal investment strategy(ies) and
the related risks. You should refer to "Summary of How Our Funds Invest" and
"Details about How Our Funds Invest and Related Risks" in the Prospectus to
learn about those strategies and risks.

Additional Permitted Investments
- -------------------------------------------------------------------------------

The Investment Company's Funds may use investment strategies and purchase
types of securities in addition to those discussed in the Prospectus.

                                       2
<PAGE>

Equity Index Fund and Mid-Cap Equity Index Fund: In addition to common stocks
and futures contracts, the Funds may invest in:

  .  money market instruments, and
  .  U.S. Government and U.S. Government agency obligations.

All America Fund: In addition to common stocks, the Adviser and two
Subadvisers who manage approximately 40% of the net assets of the All America
Fund (the Active Assets) may invest assets in:

  .  securities convertible into common stocks, including warrants and
     convertible bonds,
  .  bonds,
  .  money market instruments,
  .  U.S. Government and U.S. Government agency obligations,
  .  foreign securities and ADRs,
  .  futures and options contracts, and
  .  preferred stock.

The portion of the All America Fund invested to replicate the S&P 500 Index
(the Indexed Assets) also may be invested in:

  .  money market instruments, and
  .  U.S. Government and U.S. Government agency obligations.

The Adviser may manage cash allocated to the Active Assets prior to investment
in securities by the Subadvisers.

Aggressive Equity Fund: In addition to common stocks, the Aggressive Equity
Fund may invest in:

  .  securities convertible into common stocks, including warrants and
     convertible bonds,
  .  bonds,
  .  money market instruments,
  .  U.S. Government and U.S. Government agency obligations,
  .  foreign securities and ADRs,
  .  futures and options contracts, and
  .  preferred stock.

Composite Fund: In addition to common stocks, the equity portion of the
Composite Fund may be invested in:

  .  securities convertible into common stocks, including warrants,
  .  preferred stock,
  .  money market instruments,
  .  U.S. Government and U.S. Government agency obligations,
  .  foreign securities and ADRs, and
  .  futures and options contracts.

In addition to investment grade debt securities of the type described in the
Prospectus, the fixed-income portion of the Composite Fund may be invested in:

  .  asset-backed securities,
  .  money market instruments,
  .  non-investment grade securities,
  .  foreign securities,
  .  options, futures contracts and options on futures contracts, and
  .  equipment trust certificates.

                                       3
<PAGE>

Bond Fund, Mid-Term Bond Fund and Short-Term Bond Fund (the "Bond Funds"): In
addition to investment grade debt securities of the type described in the
Prospectus, each Bond Fund may invest in :

  .  asset-backed securities,
  .  non-investment grade securities, for up to 20% of its assets,
  .  foreign securities,
  .  cash and money market instruments,
  .  stocks acquired either by conversion of fixed-income securities or
     by the exercise of warrants attached to fixed income securities,
  .  preferred stock,
  .  options, futures contracts and options on futures contracts, and
  .  equipment trust certificates.

Money Market Fund: In addition to commercial paper and U.S. Treasury Bills,
the Fund may invest in any of the following kinds of money market instruments,
payable in United States dollars:

  .  securities issued or guaranteed by the U.S. Government or a U.S.
     Government agency or instrumentality;
  .  negotiable certificates of deposit, bank time deposits, bankers'
     acceptances and other short-term debt obligations of domestic
     banks and foreign branches of domestic banks and U.S. branches of
     foreign banks, which at the time of their most recent annual
     financial statements show assets in excess of $5 billion;
  .  certificates of deposit, time deposits and other short-term debt
     obligations of domestic savings and loan associations, which at
     the time of their most recent annual financial statements show
     assets in excess of $1 billion;
  .  repurchase agreements covering government securities, certificates
     of deposit, commercial paper or bankers' acceptances;
  .  variable amount floating rate notes; and
  .  debt securities issued by a corporation.

The Money Market Fund may enter into transactions in options, futures
contracts and options on futures contracts on United States Treasury
securities.

Under the Money Market Fund's investment policy, money market instruments and
other short-term debt securities means securities that have a remaining term
to maturity of up to 13 months (25 months in the case of government
securities). The dollar-weighted average maturity of the securities held by
the Money Market Fund will not exceed 90 days.

The securities in the Money Market Fund must meet the following quality
requirements--

  .  All of the securities held by the Money Market Fund must have
     received (or be of comparable quality to securities which have
     received), at the time of the purchase, a rating in one of the two
     highest categories by any two nationally recognized statistical
     rating agencies; and

  .  At least 95% of the securities held by the Money Market Fund must
     have received (or be of comparable quality to securities which
     have received), at the time of purchase, a rating in the highest
     category by any two such rating agencies.

The Board of Directors of the Investment Company must approve or ratify the
purchase of any security (other than any U.S. government security) that has
not received a rating or that has been rated by only one rating agency. The
Fund will sell any securities that are subsequently downgraded below the two
highest categories as soon as practicable, unless the Board of Directors
determines that sale of those securities would not be in the best interests of
the Fund.

The Money Market Fund will not invest more than 5% of its total assets in
securities of, or subject to puts from, any one issuer (other than U.S.
government securities and repurchase agreements fully collateralized by U.S.
government securities) provided that (a) the Fund may invest up to 10% of its
total assets in securities issued or guaranteed by a single issuer with
respect to which the Fund has purchased an unconditional put and (b) with
respect to 25% of its total assets the Fund may, with respect to securities
meeting the highest investment criteria, exceed the 5% limit for up to three
business days.

                                       4
<PAGE>

Additional Investment Strategies
- -------------------------------------------------------------------------------

Lending of Securities

The Funds have the authority to lend their securities. The Funds will not lend
any securities until the Investment Company's Board of Directors approves a
form of securities lending agreement. Refer to "Fundamental Investment
Restrictions", paragraph 9, and "Non-Fundamental Investment Policies",
paragraph 9, for descriptions of the fundamental and current restrictions on
lending by the Funds.

Upon lending securities, a Fund must receive as collateral cash, securities
issued or guaranteed by the United States Government or its agencies or
instrumentalities, or letters of credit of certain banks selected by the
Adviser. The collateral amount at all times while the loan is outstanding must
be maintained in amounts equal to at least 100% of the current market value of
the loaned securities.

The Fund will continue to receive interest or dividends on the securities
lent. In addition, it will receive a portion of the income generated by the
short-term investment of cash received as collateral, or, alternatively, where
securities or a letter of credit are used as collateral, a lending fee paid
directly to the Fund by the borrower of the securities. A Fund will have the
right to terminate a securities loan at any time. The Fund will have the right
to regain record ownership of loaned securities in order to exercise
beneficial rights, such as voting rights or subscription rights.

Loans of securities will be made only to firms that the Adviser deems
creditworthy. There are risks of delay in recovery and even loss of rights in
the collateral, however, if the borrower of securities defaults, becomes the
subject of bankruptcy proceedings or otherwise is unable to fulfill its
obligations or fails financially.

Repurchase Agreements

The Funds have the authority to enter into repurchase agreements. A Fund may
not invest more than 10% of its total assets in repurchase agreements or time
deposits that mature in more than seven days. The Funds will not enter into
any repurchase agreements until the Investment Company's Board of Directors
approves a form of Repurchase Agreement and authorizes entities as
counterparties.

Under a repurchase agreement, a Fund acquires underlying debt instruments for
a relatively short period (usually not more than one week and never more than
one year) subject to an obligation of the seller to repurchase (and the Fund
to resell) the instrument at a fixed price and time, thereby determining the
yield during the Fund's holding period. This results in a fixed rate of return
insulated from market fluctuation during such period. Accrued interest on the
underlying security will not be included for purposes of valuing a Fund's
assets.

Repurchase agreements have the characteristics of loans by a Fund and will be
fully collateralized (either with physical securities or evidence of book
entry transfer to the account of the custodian bank) at all times. During the
term of the repurchase agreement, the Fund retains the security subject to the
repurchase agreement as collateral securing the seller's repurchase
obligation, continually monitors the market value of the security subject to
the agreement and requires the Fund's seller to deposit with the Fund
additional collateral equal to any amount by which the market value of the
security subject to the repurchase agreement falls below the resale amount
provided under the repurchase agreement.

The Funds will enter into repurchase agreements only with member banks of the
Federal Reserve System and with dealers in U.S. Government securities whose
creditworthiness has been reviewed and found satisfactory by the Adviser and
the Board of Directors of the Investment Company.

Securities underlying repurchase agreements will be limited to certificates of
deposit, commercial paper, bankers' acceptances, or obligations issued or
guaranteed by the United States Government or its agencies or
instrumentalities, in which the Funds may otherwise invest.

A seller of a repurchase agreement could default and not repurchase from a
Fund the security that is the subject of the agreement. The Fund would look to
the collateral underlying the seller's repurchase agreement, including the
securities subject to the repurchase agreement, for satisfaction of the
seller's obligation to the Fund. In such event, the Fund might incur
disposition costs in liquidating the collateral and might suffer a loss if the
value of the collateral declines. There is a risk that if the issuer of the
repurchase agreement becomes involved in bankruptcy proceedings, the Fund
might be delayed or prevented from liquidating the underlying security or
otherwise obtaining it for its own purposes, if the Fund did not have actual
or book entry possession of the security.

                                       5
<PAGE>

Rule 144A Investments, Section 4(2) Commercial Paper and Illiquid Securities

Each Fund, with respect to not more than 10% of its total assets, may purchase
securities that are not readily marketable, or are "illiquid". Repurchase
agreements of more than seven days' duration and variable and floating rate
demand notes not requiring receipt of the principal note amount within seven
days' notice are considered illiquid. A Fund may incur higher transaction
costs and require more time to complete transactions for the purchase and sale
of illiquid securities than for readily marketable securities. When a Fund
determines to sell an illiquid security within a relatively short time period,
it may have to accept a lower sales price than if the security were readily
marketable. Refer to "Non-Fundamental Investment Policies", paragraph 10.

The Adviser will make a factual determination as to whether securities with
contractual or legal restrictions on resale purchased by a Fund are liquid,
based on the frequency of trades and quotes, the number of dealers and
potential purchasers, dealer undertakings to make a market, and the nature of
the security and the marketplace, pursuant to procedures adopted by the Board
of Directors of the Investment Company.

Securities that are eligible for purchase and sale under Rule 144A of the
Securities Act of 1933 (the 1933 Act) shall be considered liquid, provided the
Adviser has not made a contrary determination regarding liquidity in
accordance with the Board's procedures. Rule 144A permits certain qualified
institutional buyers to trade in securities even though the securities are not
registered under the 1933 Act. In addition, commercial paper privately placed
in accordance with Section 4(2) of the 1933 Act also will be considered
liquid, provided the requirements set forth in the Board's procedures are
satisfied.

Options and Futures Contracts

Each of the Funds may purchase and sell options and futures contracts, as
described below. Refer to "Non-Fundamental Investment Policies" below,
paragraph 1, for a description of the current restrictions on the Funds'
purchase of options and futures contracts.

Each Fund may sell a call option contract on a security it holds in its
portfolio (called a covered call), and it may buy a call option contract on
the security to close out a position created by the sale of a covered call.

  .  A call option is a short-term contract (generally having a
     duration of nine months or less) which gives the purchaser of the
     option the right to purchase the underlying security at a fixed
     exercise price at any time prior to the expiration of the option
     regardless of the market price of the security during the option
     period. As consideration for writing a covered call option, a Fund
     (the seller) receives from the purchaser a premium, which the Fund
     retains whether or not the option is exercised. The seller of the
     call option has the obligation, upon the exercise of the option by
     the purchaser, to sell the underlying security at the exercise
     price at any time during the option period.

Each Fund may buy a put option contract on a security it holds in its
portfolio, and it may sell a put option contract on the security to close out
a position created by the purchase of the put option contract.

  .  A put option is a similar short-term contract that gives the
     purchaser of the option the right to sell the underlying security
     at a fixed exercise price at any time prior to the expiration of
     the option regardless of the market price of the security during
     the option period. As consideration for the put option, a Fund
     (the purchaser) pays the seller a premium, which the seller
     retains whether or not the option is exercised. The seller of the
     put option has the obligation, upon the exercise of the option by
     the purchaser, to purchase the underlying security at the exercise
     price at any time during the option period. The buying of a
     covered put contract limits the downside exposure for the
     investment in the underlying security to the combination of the
     exercise price less the premium paid.

Each Fund may purchase and sell futures contracts, and purchase options on
futures contracts, on fixed-income securities or on an index of securities,
such as the Standard & Poor's 100 Index, the Standard & Poor's 500 Index or
the New York Stock Exchange Composite Index.

  .  A futures contract on fixed income securities requires the seller
     to deliver, and the purchaser to accept delivery of, a stated
     quantity of a given type of fixed income security for a fixed
     price at a specified time in the future. A futures contract or
     option on a stock index provides for the making and acceptance of
     a cash settlement equal to the change in value of a hypothetical
     portfolio of stocks between the time the contract is entered into
     and the time it is liquidated, times a fixed multiplier. Futures
     contracts may be traded domestically only on exchanges which have
     been designated as "contract markets" by the Commodity Futures
     Trading Commission, such as the Chicago Board of Trade.

                                       6
<PAGE>

  .  An option on a futures contract provides the purchaser with the
     right, but not the obligation, to enter into a "long" position in
     the underlying futures contract (in the case of a call option on a
     futures contract), or a "short" position in the underlying futures
     contract (in the case of a put option on a futures contract), at a
     fixed price up to a stated expiration date. Upon exercise of the
     option by the holder, the contract market clearing house
     establishes a corresponding short position for the writer of the
     option, in the case of a call option, or a corresponding long
     position in the case of a put option. In the event that an option
     is exercised, the parties are subject to all of the risks
     associated with the trading of futures contracts, such as payment
     of margin deposits.

  .  A Fund does not pay or receive a payment upon its purchase or sale
     of a futures contract. Initially, a Fund will be required to
     deposit with the Fund's custodian in the broker's name an amount
     of cash or U.S. Treasury bills equal to approximately 5% of the
     contract amount. This amount is known as "initial margin."

  .  While a futures contract is outstanding, there will be subsequent
     payments, called "maintenance margin", to and from the broker.
     These payments will be made on a daily or intraday basis as the
     price of the underlying instrument or stock index fluctuates
     making, the long and short positions in the futures contract more
     or less valuable. This process is known as "mark to market". At
     any time prior to expiration of the futures contract, a Fund may
     elect to close the position by taking an opposite position, which
     will operate to terminate the Fund's position in the futures
     contract and may require additional transaction costs. A final
     determination of margin is then made, additional cash is required
     to be paid by or released to the Fund, and the Fund realizes a
     loss or gain.

A Fund may use futures contracts to protect against general increases or
decreases in the levels of securities prices, in the manner described below.

  .  When a Fund anticipates a general decrease in the market value of
     portfolio securities, it may sell futures contracts. If the market
     value falls, the decline in the Fund's net asset value may be
     offset, in whole or in part, by corresponding gains on the futures
     position.

    . A Fund may sell futures contracts on fixed-income securities in
      anticipation of a rise in interest rates, that would cause a
      decline in the value of fixed-income securities held in the
      Fund's portfolio.

    . A Fund may sell stock index futures contracts in anticipation of
      a general market wide decline that would reduce the value of its
      portfolio of stocks.

  .  When a Fund projects an increase in the cost of fixed-income
     securities or stocks to be acquired in the future, the Fund may
     purchase futures contracts on fixed-income securities or stock
     indexes. If the hedging transaction is successful, the increased
     cost of securities subsequently acquired may be offset, in whole
     or in part, by gains on the futures position.

  .  Instead of purchasing or selling futures contracts, a Fund may
     purchase call or put options on futures contracts in order to
     protect against declines in the value of portfolio securities or
     against increases in the cost of securities to be acquired.

    . Purchases of options on futures contracts may present less risk
      in hedging a portfolio than the purchase and sale of the
      underlying futures contracts, since the potential loss is
      limited to the amount of the premium paid for the option, plus
      related transaction costs.

    . As in the case of purchases and sales of futures contracts, a
      Fund may be able to offset declines in the value of portfolio
      securities, or increases in the cost of securities acquired,
      through gains realized on its purchases of options on futures.

  .  The Funds also may purchase put options on securities or stock
     indexes for the same types of securities for hedging purposes. The
     purchase of a put option on a security or stock index permits a
     Fund to protect against declines in the value of the underlying
     security or securities in a manner similar to the sale of futures
     contracts.

  .  In addition, the Funds may write call options on portfolio
     securities or on stock indexes for the purpose of increasing their
     returns and/or to protect the value of their portfolios.

                                       7
<PAGE>

    . When a Fund writes an option which expires unexercised or is
      closed out by the Fund at a profit, it will retain the premium
      paid for the option, less related transaction costs, which will
      increase its gross income and will offset in part the reduced
      value of a portfolio security in connection with which the
      option may have been written.

    . If the price of the security underlying the option moves
      adversely to the Fund's position, the option may be exercised
      and the Fund will be required to sell the security at a
      disadvantageous price, resulting in losses which may be only
      partially offset by the amount of the premium.

    . A call option on a security written by a Fund will be covered
      through ownership of the security underlying the option or
      through ownership of an absolute and immediate right to acquire
      such security upon conversion or exchange of other securities
      held in its portfolio.

Risks in futures and options transactions include the following:

  .  There may be a lack of liquidity, which could make it difficult or
     impossible for a Fund to close out existing positions and realize
     gains or limit losses.

    The liquidity of a secondary market in futures contracts or options on
    futures contracts may be adversely affected by "daily price fluctuation
    limits," established by the exchanges on which such instruments are
    traded, which limit the amount of fluctuation in the price of a
    contract during a single trading day. Once the limit in a particular
    contract has been reached, no further trading in such contract may
    occur beyond such limit, thus preventing the liquidation of positions,
    and requiring traders to make additional variation margin payments.
    Market liquidity in options, futures contracts or options on futures
    contracts may also be adversely affected by trading halts, suspensions,
    exchange or clearing house equipment failures, government intervention,
    insolvency of a brokerage firm or clearing house or other disruptions
    of normal trading activity.

  .  The securities held in a Fund's portfolios may not exactly
     duplicate the security or securities underlying the options,
     futures contracts or options on futures contracts traded by the
     Fund, and as a result the price of the portfolio securities being
     hedged will not move in the same amount or direction as the
     underlying index, securities or debt obligation.

  .  A Fund purchasing an option may lose the entire amount of the
     premium plus related transaction costs.

  .  For options on futures contracts, changes in the value of the
     underlying futures contract may not be fully reflected in the
     value of the option.

  .  With respect to options and options on futures contracts, the
     Funds are subject to the risk of market movements between the time
     that the option is exercised and the time of performance
     thereunder.

  .  In writing a covered call option on a security or a stock index, a
     Fund may incur the risk that changes in the value of the
     instruments used to cover the position will not correlate
     precisely with changes in the value of the option or underlying
     the index or instrument.

  .  The opening of a futures position and the writing of an option are
     transactions that involve substantial leverage. As a result,
     relatively small movements in the price of the contract can result
     in substantial unrealized gains or losses.

                                       8
<PAGE>

Additional Information about Specific Types of Securities
- -------------------------------------------------------------------------------

Non-Investment Grade Securities

The Bond Funds may purchase non-investment grade debt securities. In addition,
the Bond Funds and the other Funds that purchase debt securities may hold a
security that becomes non-investment grade as a result of impairments of the
issuer's credit.

Fixed-income securities that are rated in the lower rating categories of the
nationally recognized rating services (Ba or lower by Moody's and BB or lower
by Standard & Poor's), or unrated securities of comparable quality, are
commonly known as non-investment grade securities or "junk bonds". Junk bonds
are regarded as being predominantly speculative as to the issuer's ability to
make payments of principal and interest. Investment in non-investment grade
securities involves substantial risk. Junk bonds may be issued by less
creditworthy companies or by larger, highly leveraged companies, and are
frequently issued in corporate restructurings, such as mergers and leveraged
buy-outs. Such securities are particularly vulnerable to adverse changes in
the issuer's industry and in general economic conditions. Junk bonds
frequently are junior obligations of their issuers, so that in the event of
the issuer's bankruptcy, claims of the holders of junk bonds will be satisfied
only after satisfaction of the claims of senior security holders.

Non-investment grade bonds tend to be more volatile than higher-rated fixed-
income securities, so that adverse economic events may have a greater impact
on the prices of junk bonds than on higher-rated fixed-income securities. Junk
bonds generally are purchased and sold through dealers who make a market in
such securities for their own accounts. However, there are fewer dealers in
the non-investment grade bond market, and the market may be less liquid than
the market for higher-rated fixed-income securities, even under normal
economic conditions. Also, there may be significant disparities in the prices
quoted for junk bonds by various dealers. Adverse economic conditions or
investor perceptions (whether or not based on economic fundamentals) may
impair the liquidity of this market, and may cause the prices that a Fund may
receive for any non-investment grade bonds to be reduced, or might cause a
Fund to experience difficulty in liquidating a portion of its portfolio.

The Investment Company currently anticipates that no Fund will invest more
than 5% of its total assets in non-investment grade debt securities.

U.S. Government and U.S. Government Agency Obligations

All of the Funds may invest in U.S. Government and U.S. Government agency
obligations. Some of these securities also may be considered money market
instruments. Some also may be mortgage-backed securities or zero coupon
securities.

U.S. Government Obligations: These securities are issued or guaranteed as to
principal and interest by the United States Government. They include a variety
of Treasury securities, which differ only in their interest rates, maturities
and times of issuance. Treasury bills have a maturity of one year or less.
Treasury notes at the time of issuance have maturities of one to seven years
and Treasury bonds generally have a maturity of greater than five years.

U.S. Government Agency Obligations: Agencies of the United States Government
that issue or guarantee obligations include, among others, Export-Import Bank
of the United States, Farmers Home Administration, Federal Housing
Administration, Government National Mortgage Association, Student Loan
Marketing Association, Maritime Administration, Small Business Administration
and the Tennessee Valley Authority. Instrumentalities of the United States
Government that issue or guarantee obligations include, among others, Federal
Farm Credit Banks, Federal National Mortgage Association, Federal Home Loan
Banks, Federal Home Loan Mortgage Corporation, Federal Intermediate Credit
Banks, Federal Land Banks and Banks for Cooperatives.

Some of the securities issued by U.S. Government agencies and
instrumentalities are supported by the full faith and credit of the U.S.
Treasury; others are supported by the right of the issuer to borrow from the
Treasury, while others are supported only by the credit of the instrumentality
that issued the obligation.

Money Market Instruments

All of the Funds may purchase money market instruments, which include the
following.

Certificates of Deposit. Certificates of deposit are generally short term,
interest-bearing negotiable certificates issued by banks or savings and loan
associations against funds deposited in the issuing institution.

                                       9
<PAGE>

Time Deposits. Time deposits are deposits in a bank or other financial
institution for a specified period of time at fixed interest rate, for which
no negotiable certificate is received.

Bankers' Acceptance. A bankers' acceptance is a draft drawn on a commercial
bank by a borrower usually in connection with an international commercial
transaction (to finance the import, export, transfer or storage of goods). The
borrower is liable for payment as well as the bank, which unconditionally
guarantees to pay the draft at its face amount on the maturity date. Most
acceptances have maturities of six months or less and are traded in secondary
markets prior to maturity.

Commercial Paper. Commercial paper refers to short-term, unsecured promissory
notes issued by corporations to finance short-term credit needs. Commercial
paper is usually sold on a discount basis and has a maturity at the time of
issuance not exceeding nine months.

Variable Amount Floating Rate Notes. Variable floating rate notes are short-
term, unsecured promissory notes issued by corporations to finance short-term
credit needs. These are interest-bearing notes on which the interest rate
generally fluctuates on a weekly basis.

Corporate Debt Securities. Corporate debt securities with a remaining maturity
of less than one year tend to become extremely liquid and are traded as money
market securities.

Treasury Bills. See "U.S. Government and U.S. Government Agency Obligations"
above.

Because the Money Market Fund and the other Funds generally will purchase only
money market instruments that are rated high quality and have short terms to
maturities, these money market instruments are considered to have low levels
of market risk and credit risk.

Zero Coupon Securities and Discount Notes; Redeemable Securities

The Bond Funds and the fixed income portion of the Composite Fund, and the All
America Fund and Aggressive Equity Fund to the extent they invest in fixed
income securities, may invest in discount notes and zero coupon securities.
Discount notes mature in one year or less from the date of issuance. Zero
coupon securities may be issued by corporations or by certain U.S. Government
agencies.

Discount notes and zero coupon securities do not pay interest. Instead, they
are issued at prices that are discounted from the principal (par) amount due
at maturity. The difference between the issue price and the principal amount
due at maturity (or the amount due at the expected redemption date in some
cases if the securities are callable) is called "original issue discount". A
Fund must accrue original issue discount as income, even if the Fund does not
actually receive any payment under the security during the accrual period. The
purchase price paid for zero coupon securities at the time of issuance, or
upon any subsequent resale, reflects a yield-to-maturity required by the
purchaser from the purchase date to the maturity date (or expected redemption
date).

Foreign Securities and American Depository Receipts (ADRs)

In addition to investing in domestic securities, each of the Funds other than
the Equity Index Fund, Mid-Cap Equity Index Fund and the Money Market Fund may
invest in securities of foreign issuers, including securities traded outside
the United States. Foreign issues guaranteed by domestic corporations are
considered to be domestic securities.

ADRs are dollar-denominated receipts issued generally by domestic banks and
representing 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.

The Investment Company has a non-fundamental investment policy that limits
foreign securities, including foreign exchange transactions, and ADRs to 25%
of a Fund's total assets. (See "Non-Fundamental Investment Policies",
paragraph 2.) The Investment Company currently anticipates that no Fund will
invest more than 10% of its total assets in foreign securities or foreign
exchange transactions.

The Investment Company will consider special factors before investing in
foreign securities and ADRs. These include:

  .  changes in currency rates or currency exchange control
     regulations,

  .  the possibility of expropriation,


                                      10
<PAGE>

  .  the unavailability of financial information or the difficulty of
     interpreting financial information prepared under foreign
     accounting standards,

  .  less liquidity and more volatility in foreign securities markets
     (not applicable to ADRs),

  .  the impact of political, social or diplomatic developments, and

  .  the difficulty of assessing economic trends in foreign countries.

The Funds could encounter greater difficulties in bringing legal processes
abroad than would be encountered in the United States. In addition,
transaction costs in foreign securities may be higher.

Convertible Securities

The Bond Funds and the fixed income portion of the Composite Fund, as well as
the All America and Aggressive Equity Funds to the extent they invest in debt
securities, may invest in convertible securities. Convertible securities can
be converted by the holder into common stock of the issuer, at the price and
on the terms set forth by the issuer when the convertible securities are
initially sold. Convertible securities normally provide a higher yield than
the underlying stock but a lower yield than a fixed-income security without
the convertibility feature. The price of the convertible security normally
will vary to some degree with changes in the price of the underlying stock,
although the higher yield tends to make the convertible security less volatile
than the underlying common stock. The price of the convertible security also
will vary to some degree inversely with interest rates.

Equipment Trust Certificates

The Bond Funds and the fixed income portion of the Composite Fund, may invest
in equipment trust certificates. The proceeds of those certificates are used
to purchase equipment, such as railroad cars, airplanes or other equipment,
which in turn serve as collateral for the related issue of certificates.

The equipment subject to a trust generally is leased by a railroad, airline or
other business, and rental payments provide the projected cash flow for the
repayment of the equipment trust certificates. Holders of equipment trust
certificates must look to the collateral securing the certificates, and any
guarantee provided by the lessee or any parent corporation for the payment of
lease amounts, in the case of default in the payment of principal and interest
on the certificates.

The Investment Company currently has a non-fundamental investment policy that
no Fund will invest more than 5% of its total assets in equipment trust
certificates.

Asset-backed Securities

The Bond Funds and the fixed income portion of the Composite Fund, may invest
in securities backed by consumer or credit card loans or other receivables or
may purchase interests in pools of such assets.

Changes in interest rates may significantly affect the value of these
securities, and prepayment rates will impact the yield and price of the
securities. A decline in interest rates may result in increases in prepayment,
and a Fund will have to invest prepayment proceeds at the prevailing lower
interest rates. Asset-backed securities generally are not expected to prepay
to the same extent as mortgage-backed securities in such circumstances. An
increase in interest rates may result in prepayment at a rate slower than was
assumed when the security was purchased. The creditworthiness of an issuer of
asset-backed securities also may impact the value of they securities.

The Investment Company currently has a non-fundamental investment policy that
no Fund will:

  .  invest more than 10% of its total assets in asset-backed
     securities,

  .  invest in interest-only strips or principal-only strips of asset-
     backed securities, or

  .  purchase the most speculative series or class of asset-backed
     securities issues.

Mortgage-Backed Securities

The Bond Funds and the fixed income portion of the Composite Fund, as well as
the All America and Aggressive Equity Funds to the extent they invest in debt
securities, may invest in mortgage-backed securities. You should refer to the
discussion of Mortgage-Backed Securities in the Prospectus under "Details
about How Our Funds Invest and Related Risks--Specific Investments or
Strategies and Related Risks".

                                      11
<PAGE>

The Investment Company currently has a non-fundamental investment policy that
no Fund will:

  .  if the Fund invests primarily in fixed income securities, invest
     more than 10% of its total assets in mortgage-backed securities
     that are not also considered to be U.S. Government or U.S.
     Government agency securities,

  .  if the Fund invests primarily in equity securities, invest in
     mortgage-backed securities unless they are also considered to be
     U.S. Government Securities,

  .  invest in interest-only strips or principal-only strips of
     mortgage-backed securities, or

  .  purchase the most speculative series or class of collateralized
     mortgage obligation issues or other mortgage-backed securities
     issues.

Warrants

The All America Fund and Bond Fund may acquire warrants. A warrant is an
option to purchase common stock of an issuer and is issued in conjunction with
another security, such as a debt obligation. A warrant specifies the price at
which the holder may purchase shares of common stock and usually expires after
a period of time. A warrantholder generally may pay cash for the common stock
to be purchased or may surrender principal amount of the related debt security
the warrantholder owns equal to the purchase price for the stock.

The common stock underlying a warrant may not increase in value after the date
the warrant was issued, or may not increase up to the warrant exercise price.
In this case, the warrant generally would have little value and could expire
unexercised.

The Investment Company currently has a non-fundamental investment policy that
no Fund will invest more than 5% of its assets in warrants.

Preferred Stock

The All America Fund and Bond Fund may purchase preferred stock. A corporation
may issue a form of equity security called preferred stock. Compared to common
stock, preferred stock has advantages in the receipt of dividends and in the
receipt of the corporation's assets upon liquidation. Preferred stockholders,
however, usually do not have voting rights at meetings of the corporation's
shareholders.

An issuer of preferred stock must pay a dividend to holders of preferred stock
before it distributes a dividend to holders of common stock. When a
corporation issues preferred stock, it sets a dividend rate, or a formula to
determine the rate. If a corporation does not have sufficient earnings to pay
the specified dividend to preferred stockholders, the unpaid dividend may
accrue (cumulate) and become payable when the corporation's earnings increase.
Bondholders, in contrast, are entitled to receive interest and principal due,
regardless of the issuer's earnings.

Some issues of preferred stock give the holder the right to convert the
preferred stock into shares of common stock, when certain conditions are met.
A holder of preferred stock that is not convertible, or of preferred stock
that is convertible but has not met the conditions for conversion, does not
share in the earnings of the issuer other than through the receipt of
dividends on the preferred stock. The market value of convertible preferred
stock generally fluctuates more than the market value of nonconvertible
preferred stock, because the value of the underlying common stock will affect
the price of the convertible stock.

Preferred stock has the risk that a corporation may not have earnings from
which to pay the dividends as they become due. Even if a corporation is paying
dividends, if the dividend rate is fixed (and not variable), changes in
interest rates generally will affect the market value of the preferred stock
in the same manner as for debt obligations.

The Investment Company currently has a non-fundamental investment policy that
no Fund will invest more than 10% of its assets in preferred stock.

Insurance Law Restrictions
- -------------------------------------------------------------------------------

Insurance laws and regulations in States where the Insurance Companies operate
govern investments by Separate Accounts. If necessary in order for shares of
the Investment Company's Funds to remain eligible investments for the Separate
Accounts, a Fund may from time to time limit the amount of its investments in
certain types of securities, such as foreign securities and debt or equity
securities of certain issuers.

                                      12
<PAGE>

                      FUNDAMENTAL INVESTMENT RESTRICTIONS

The following investment restrictions are fundamental policies. The Funds may
not change these policies unless a majority of the outstanding voting shares
of each affected Fund approves the change. No Fund will:

 1. underwrite the securities issued by other companies, except to the extent
    that the Fund's purchase and sale of portfolio securities may be deemed to
    be an underwriting;

 2. purchase physical commodities or contracts involving physical commodities;

 3. based on its investments in individual issuers, be non-diversified as
    defined under the 1940 Act, which currently restricts a Fund, with respect
    to 75% of the value of its total assets, from investing more than 5% of
    its total assets in the securities of any one issuer, other than (i)
    securities issued or guaranteed by the
   United States Government or its agencies or instrumentalities ("U.S.
   Government Securities"), and (ii) securities of other registered investment
   companies; in addition the Money Market Fund will not invest in any
   securities that would cause it to fail to comply with applicable
   diversification requirements for money market funds under the 1940 Act and
   rules thereunder, as amended from time to time;

 4. based on its investment in an issuer's voting securities, be non-
    diversified as defined under the 1940 Act, which currently restricts a
    Fund, with respect to 75% of the value of its total assets, from
    purchasing more than 10% of the outstanding voting securities of any one
    issuer other than (i) U.S. Government Securities, and (ii) securities of
    other registered investment companies, and imposes additional restrictions
    on the Money Market Fund;

 5. issue senior securities, except as permitted under the 1940 Act and the
    rules thereunder as amended from time to time;

 6. invest more than 25% of its assets in the securities of issuers in one
    industry, other than U.S. Government Securities, except that the Money
    Market Fund may invest more than 25% of its total assets in the financial
    services industry;

 7. purchase real estate or mortgages directly, but a Fund may invest in
    mortgage-backed securities and may purchase the securities of companies
    whose businesses deal in real estate or mortgages, including real estate
    investment trusts;

 8. borrow money, except to the extent permitted by the 1940 Act and rules
    thereunder, as amended from time to time, which currently limit a Fund's
    borrowing to 33 1/3% of total assets (including the amount borrowed) minus
    liabilities (other than borrowings) and require the reduction of any
    excess borrowing within three business days; or

 9. lend assets to other persons (with a Fund's entry into repurchase
    agreements or the purchase of debt securities not being considered the
    making of a loan), except to the extent permitted by the 1940 Act and
    rules thereunder, as amended from time to time, which currently limit a
    Fund's lending to 33 1/3% of its total assets, or pursuant to any
    exemptive relief granted by the SEC.

                      NON-FUNDAMENTAL INVESTMENT POLICIES

The following investment restrictions are not fundamental policies. They may
be changed without shareholder approval by a vote of the Board of Directors of
the Investment Company, subject to any limits imposed by the 1940 Act or
applicable regulatory authorities and subject to each Fund's investment
objectives and permitted investments. No Fund will:

 1. purchase or sell options or futures contracts or options on futures
    contracts unless the options or contracts relate to U.S. issuers or U.S.
    stock indexes and are not for speculation, and in addition (i) a Fund may
    write only covered call options and may buy put options only if it holds
    the related securities, (ii) a Fund may invest in futures contracts to
    hedge not more than 20% of its total assets, and (iii) premiums paid on
    outstanding options contracts may not exceed 5% of the Fund's total
    assets;

 2. invest in foreign exchange nor invest more than 25% of its total assets in
    securities of foreign issuers and American Depository Receipts (ADRs);

 3. invest for the purpose of exercising control over management of an issuer
    (either separately or together with any other Funds);

                                      13
<PAGE>

 4. make short sales, except when the Fund owns or has the right to obtain
    securities of equivalent kind and amount that will be held for as long as
    the Fund is in a short position;

 5. if its investment policy is to invest primarily in equity securities,
    purchase mortgage-backed securities unless they are also U.S. Government
    Securities, or if its investment policy is to invest primarily in fixed
    income securities, invest more than 10% of its total assets in mortgage-
    backed securities that are not also U.S. Government Securities;

 6. invest in the securities of any registered investment company except as
    permitted under the Investment Company Act of 1940 and the rules
    thereunder, as amended from time to time, or by any exemptive relief
    granted by the SEC;

 7. purchase securities on margin, except that credits for the clearance of
    portfolio transactions and the making of margin payments for futures
    contracts and options on futures contracts shall not constitute the
    purchasing of securities on margin;

 8. borrow money except for temporary or emergency purposes (not for
    investment or leveraging) or under any reverse repurchase agreement,
    provided that a Fund's aggregate borrowings may not exceed 10% of the
    value of the Fund's total assets and it may not purchase additional
    securities if its borrowings exceed that limit;

 9. lend more than 10% of its assets;

10. invest more than 10% of its total assets in securities that are considered
    to be illiquid because they are subject to legal or contractual
    restrictions on resale or are otherwise not readily marketable, including
    repurchase agreements and time deposits that do not mature within seven
    days but excluding Rule 144A securities and other restricted securities
    that are determined to be liquid pursuant to procedures adopted by the
    Board of Directors;

11. invest more than 5% of its total assets in equipment trust certificates;

12. invest more than 10% of its total assets in asset-backed securities or
    purchase the most speculative series or class of asset-backed securities
    issues;

13. purchase the most speculative series or class of collateralized mortgage
    obligation issues or other mortgage-backed securities issues;

14. invest in interest-only strips or principal only strips of asset-backed
    securities, mortgage-backed securities or other debt securities;

15. invest more than 5% of its assets in warrants; or

16. invest more than 10% of its assets in preferred stock.

                                      14
<PAGE>

                     MANAGEMENT OF THE INVESTMENT COMPANY

The Directors of the Investment Company consist of six individuals, four of
whom are not "interested persons" of the Investment Company as defined in the
1940 Act. The Directors are responsible for the overall supervision of the
Investment Company's operations and perform the various duties imposed on the
directors of investment companies by the 1940 Act. The Directors elect
officers of the Investment Company.

The Directors and Officers of the Investment Company and their principal
employment are as follows:

<TABLE>
<CAPTION>
                          Position Held with the   Principal Occupations
Name, Address and Age     Investment Company       During Past 5 Years

<S>                       <C>                      <C>
Dolores J. Morrissey*,    Chairman of the Board,   President, Mutual of America
age 71 320 Park Avenue    President and Director   Securities Corporation, since August
New York, NY 10022                                 1996; Executive Vice President and
                                                   Assistant to the President of the
                                                   Adviser March 1996 to December 1996;
                                                   prior thereto, President and Chief
                                                   Executive Officer of the Adviser

Manfred Altstadt*, age    Senior Executive Vice    Senior Executive Vice President and
50 320 Park Avenue        President, Chief         Chief Financial Officer of the
New York, NY 10022        Financial Officer,       Adviser, Mutual of America Life and
                          Treasurer and Director   American Life

Peter J. Flanagan, age    Director                 President Emeritus and Consultant, The
69                                                 Life Insurance Council of New York
551 Fifth Avenue                                   (LICONY), since November 1999; prior
New York, NY 10176                                 thereto, President of LICONY

George J. Mertz, age 71   Director                 Retired; formerly President and CEO of
Ridgewood, NJ 07450                                National Industries for the Blind

Robert J. McGuire, age    Director                 Counsel, Morvillo, Abramowitz, Grand,
63                                                 Iason & Silverberg (law firm), since
565 Fifth Avenue                                   January 1998; prior thereto,
New York, NY 10017                                 President, Knoll Associates

Howard J. Nolan, age 62   Director                 President and C.E.O., United Way of
P.O. Box 898                                       San Antonio and Bexar County
San Antonio, TX 78293

Patrick A. Burns, age 53  Senior Executive Vice    Senior Executive Vice President and
320 Park Avenue           President and General    General Counsel of the Adviser; Senior
New York, NY 10022        Counsel                  Executive Vice President and General
                                                   Counsel of Mutual of America Life and
                                                   American Life

Stanley M. Lenkowicz,     Senior Vice President,   Senior Vice President and Deputy
age 57 320 Park Avenue    Deputy General Counsel   General Counsel of Mutual of America
New York, NY 10022        and Secretary            Life
</TABLE>
- --------
* Mr. Altstadt and Ms. Morrissey are "interested persons" within the meaning
of the 1940 Act.

The officers and directors of the Investment Company own none of its
outstanding shares. The Investment Company has no Audit Committee, and the
entire Board of Directors fulfills the obligations that an Audit Committee
would have.

Officers and Directors who are participants under group or individual variable
accumulation annuity contracts issued by Mutual of America Life or American
Life may allocate portions of their account balances to one or more of the
Investment Company's Funds. Mutual of America Life and its subsidiary American
Life, through their Separate Accounts, own 100% of the shares of the Funds.

                                      15
<PAGE>

Set forth below is a table showing compensation paid to the directors during
1999.

<TABLE>
<CAPTION>
                                                                       Total Compensation
                          Aggregate                                           from
                         Compensation     Pension or      Estimated  Investment Company and
                             from     Retirement Benefits  Benefits     Other Investment
                          Investment  Accrued as Part of     Upon         Companies in
    Name of Director       Company       Fund Expenses    Retirement       Complex(3)
- -------------------------------------------------------------------------------------------
<S>                      <C>          <C>                 <C>        <C>
Manfred Altstadt........    None (1)         None            None            None (1)
Dolores J. Morrissey....    None (1)         None            None            None (1)
Peter J. Flanagan.......  $18,375(2)         None            None          $18,375(2)
George J. Mertz.........  $18,149(2)         None            None          $18,149(2)
James J. Needham (4)....  $19,013(2)         None            None          $19,013(2)
Howard J. Nolan.........  $16,854(2)         None            None          $16,854(2)
</TABLE>
- --------
(1) As employees of the Adviser's affiliates and as "interested persons" of
    the Investment Company, Ms. Morrissey and Mr. Altstadt serve as directors
    of the Investment Company without compensation.

(2) Directors who are not "interested persons" of the Investment Company
    received from the Investment Company an annual retainer of $10,000 and a
    fee of $1,000 for each Board or Committee meeting they attended in 1999
    and will receive an annual retainer of $16,000 and a fee of $1,500 for
    each Board or Committee meeting they attend in 2000. In addition, they
    receive business travel and accident insurance and life insurance coverage
    of $75,000.

(3) Directors who are not interested persons of the Investment Company do not
    serve on the Board of any other investment company in the same complex as
    the Investment Company.

(4) Mr. McGuire was elected as a director on February 28, 2000, to serve in
    place of Mr. Needham, who retired.

                       INVESTMENT ADVISORY ARRANGEMENTS

Investment Adviser. The Investment Company's investment adviser is Mutual of
America Capital Management Corporation (the Adviser or Capital Management), an
indirect wholly-owned subsidiary of Mutual of America Life. The Adviser's
address is 320 Park Avenue, New York, New York 10022. The Adviser is a
registered investment adviser under the Investment Advisers Act of 1940.

Capital Management has served as Adviser since November 1993, when it assumed
investment management obligations for the Investment Company from Mutual of
America Life. The Adviser provides investment management services to the
Investment Company, Mutual of America Institutional Funds, Inc. and the
General Accounts of Mutual of America Life and American Life.

The Adviser provides advisory services for the Investment Company's Funds, in
accordance with the Funds' investment policies, objectives and restrictions as
set forth in the Prospectus and this Statement of Additional Information. The
Adviser has delegated some of its advisory responsibilities for a portion of
the All America Fund to the Subadvisers named below. The Adviser's activities
are subject at all times to the supervision and approval of the Investment
Company's Board of Directors.

Under the Investment Advisory Agreement, the Adviser agrees to provide
investment management services to the Investment Company. These services
include:

  .  performing investment research and evaluating pertinent economic,
     statistical and financial data;

  .  consultation with the Investment Company's Board of Directors and
     furnishing to the Investment Company's Board of Directors
     recommendations with respect to the overall investment plan;

  .  implementation of the overall investment plan, including carrying
     out decisions to acquire or dispose of investments;

  .  management of investments;

  .  reporting to the Investment Company's Board of Directors on a
     regular basis on the implementation of the investment plan and the
     management of investments;

  .  maintaining all required records;

  .  making arrangements for the safekeeping of assets; and

  .  providing office space facilities, equipment, material and personnel
     necessary to fulfill its obligations.

The Adviser is responsible for all expenses incurred in performing the
investment advisory services, including compensation of officers and payment
of office expenses, and for providing investment management services.

                                      16
<PAGE>

The Adviser has entered into an arrangement with Mutual of America for the
provision of investment accounting and recordkeeping, legal and certain other
services.

Advisory Fees. As compensation for its services to each of the Funds of the
Investment Company, the Funds pay the Adviser a fee at the following annual
rates of net assets, calculated as a daily charge:

  Equity Index and Mid-Cap Equity Index Funds -- .125%

  All America, Composite, Bond, Mid-Term Bond and Short-Term Bond Funds --
   .50%

  Aggressive Equity Fund -- .85%

  Money Market Fund -- .25%

               Investment Advisory Fees Paid by Funds to Adviser

                             For Past Three Years

<TABLE>
<CAPTION>
          Fund                    1999                    1998                    1997
- -----------------------------------------------------------------------------------------
  <S>                          <C>                     <C>                     <C>
      Equity Index             $   635,398             $   412,769             $  221,763
- -----------------------------------------------------------------------------------------
       All America             $ 3,926,185             $ 3,559,615             $3,487,086
- -----------------------------------------------------------------------------------------
  Mid-Cap Equity Index*        $    18,878                 N/A                    N/A
- -----------------------------------------------------------------------------------------
    Aggressive Equity          $ 1,732,320             $ 2,007,629             $1,955,550
- -----------------------------------------------------------------------------------------
        Composite              $ 1,705,660             $ 1,601,894             $1,464,132
- -----------------------------------------------------------------------------------------
          Bond                 $ 2,304,779             $ 2,245,279             $1,850,985
- -----------------------------------------------------------------------------------------
      Mid-Term Bond            $    68,963             $    68,431             $   73,392
- -----------------------------------------------------------------------------------------
     Short-Term Bond           $    84,855             $    91,736             $   78,795
- -----------------------------------------------------------------------------------------
      Money Market             $   171,989             $   173,091             $  199,652
- -----------------------------------------------------------------------------------------
        Total Fees             $10,649,027             $10,160,444             $9,331,355
</TABLE>

  *The Mid-Cap Equity Index Fund began operations on May 3, 1999.

Other Fund Expenses. Each Fund is responsible for paying its advisory fee and
other expenses incurred in its operation, including:

    . brokers' commissions, transfer taxes and other fees relating to
      the Fund's portfolio transactions,

    . directors' fees and expenses,

    . fees and expenses of its independent certified public
      accountants

    . fees and expenses of its legal counsel,

    . the cost of the printing and mailing semi-annual reports to
      shareholders, Proxy Statements, Prospectuses, Prospectus
      Supplements and Statements of Additional Information,

    . the cost of preparation and filing registration statements and
      amendments thereto,

    . bank transaction charges and custodian's fees,

    . any proxy solicitors' fees and expenses,

    . SEC filing fees,

    . any federal, state or local income or other taxes,

    . any membership or licensing fees of the Investment Company
      Institute and similar organizations,

    . fidelity bond and directors' liability insurance premiums, and

    . any extraordinary expenses, such as indemnification payments or
      damages awarded in litigation or settlements made.

Expense Reimbursement by the Adviser. The Adviser voluntarily limits the
expenses of each Fund, other than for brokers' commissions, transfer taxes and
other fees relating to the Fund's portfolio transactions, to the amount of the
investment advisory fee paid by the Fund to the Adviser. The Adviser may
discontinue or modify its policy of paying expenses of the Funds at any time.

                                      17
<PAGE>

Subadvisers for Portion of the All America Fund. For approximately 20% of the
assets of the All America Fund (the Active Assets), the Adviser has entered
into Subadvisory Agreements with Fred Alger Management, Inc. (Alger
Management) and Oak Associates, Ltd. (Oak Associates) (each a Subadviser, and
together the Subadvisers). Each Subadviser is registered as an investment
adviser under the Investment Advisers Act of 1940.

Each of the Subadvisers for its portion of the All America Fund provides
investment advisory services, including research, making recommendations and
regular reports to the Board of Directors of the Investment Company,
maintenance of records, and providing all the office space, facilities,
equipment, material and personnel necessary to fulfill its obligations under
the Subadvisory Agreement. The Subadvisers are subject to the supervision of
the Adviser and the Board of Directors of the Investment Company.

Subadvisory Fees. The Adviser, not the Investment Company, pays the
Subadvisers for advisory services they provide to the portion of the All
America Fund they manage at the following annual rates of net assets under
management, calculated as a daily charge:

  .Fred Alger Management -- .45%

  .Oak Associates -- .30%

                      Fees Paid by Adviser to Subadvisers
                             For Past Three Years

<TABLE>
<CAPTION>
                 Subadviser                     1999         1998         1997
- --------------------------------------------------------------------------------
  <S>                                         <C>          <C>          <C>
        Fred Alger Management, Inc.           $373,527     $317,439     $294,755
- --------------------------------------------------------------------------------
            Oak Associates, Ltd.              $218,939     $204,454     $208,892
- --------------------------------------------------------------------------------
  Palley-Needelman Asset Management, Inc.*    $250,788     $221,149     $208,284
- --------------------------------------------------------------------------------
                   Total                      $843,254     $743,042     $711,931
</TABLE>
* A Subadviser until February 1, 2000.

Codes of Ethics. The Investment Company, the Adviser, the Subadvisers and
Mutual of America have adopted codes of ethics under Rule 17j-1 of the 1940
Act. Persons subject to these codes may not purchase securities in which the
Investment Company's Funds may invest unless their purchases have been
precleared in accordance with the codes and do not occur not within certain
black-out periods imposed under the codes.

                     PORTFOLIO TRANSACTIONS AND BROKERAGE

Selection of Brokers and Dealers
- -------------------------------------------------------------------------------

The Adviser and each Subadviser are responsible for decisions to buy and sell
securities for the Funds of the Investment Company for which they provide
services as well as for selecting brokers and, where applicable, negotiating
the amount of the commission rate paid.

  .  The Adviser and Subadvisers select broker-dealers which, in their
     best judgment, provide prompt and reliable execution at favorable
     security prices and reasonable commission rates.

  .  They may select broker-dealers which provide them with research
     services and may cause a Fund to pay such broker-dealers
     commissions which exceed those other broker-dealers may have
     charged, if in their view the commissions are reasonable in
     relation to the value of the brokerage and/or research services
     provided by the broker-dealer.

  .  When purchasing or selling securities trading on the over-the-
     counter market, the Adviser and Subadvisers will generally execute
     the transaction with a broker engaged in making a market for such
     securities.

  .  The Adviser and Subadvisers may place certain orders with their
     affiliates, subject to the requirements of the 1940 Act.

  .  No transactions may be effected by a Fund with an affiliate of the
     Adviser or a Sub-Adviser acting as principal for its own account.

Brokerage commissions are negotiated, as there are no standard rates. All
brokerage firms provide the service of execution of the order made. Some
brokerage firms routinely provide research and statistical data to their
customers, and some firms customarily provide research reports on particular
companies and industries to customers that place a certain volume of trades
with them.

The Adviser, and each Subadviser, will place orders with brokers providing
useful research and statistical data services if reasonable commissions can be
negotiated for the total services furnished even though lower

                                      18
<PAGE>

commissions may be available from brokers not providing such services. The
Adviser, and each Subadviser, uses these services in connection with all of
its investment activities, and some of the data or services obtained in
connection with the execution of transactions for the Investment Company may
be used in managing other investment accounts. Conversely, data or services
obtained in connection with transactions in other accounts may be used by the
Adviser, and each Subadviser, in providing investment advice to the Investment
Company. To the extent that the Adviser, and each Subadviser, uses research
and statistical data services so obtained, its expenses may be reduced and
such data has therefore been and is one of the factors considered by the
Adviser, and each Subadviser, in determining its fee for investment advisory
services.

At times, transactions for the Investment Company may be executed together
with purchases or sales of the same security for other accounts of the Adviser
or a Subadviser. When making concurrent transactions for several accounts, an
effort is made to allocate executions fairly among them. Transactions of this
type are executed only when the Adviser, or a Subadviser, believes it to be in
the best interests of the affected Fund(s), as well as any other accounts
involved. However, the possibility exists that concurrent executions may work
out to the disadvantage of the Fund(s) involved.

The Investment Company paid aggregate brokerage commissions of $1,769,987 in
1999, $2,040,381 in 1998 and $1,920,465 in 1997.

Commissions to Affiliated Brokers
- -------------------------------------------------------------------------------

During the past three years, the Investment Company has paid brokerage
commissions to Mutual of America Securities Corporation (Securities
Corporation), an affiliate of the Adviser, through an introducing brokerage
arrangement with Bear Stearns Securities Corp., and to Fred Alger & Co. (Fred
Alger), an affiliate of Alger Management, Inc., as follows:

<TABLE>
<CAPTION>
           Year of           Commissions    % of Total    % of Aggregate Dollars
        Payment/Broker          Paid     Commissions Paid    of Transactions
- --------------------------------------------------------------------------------
  <S>                        <C>         <C>              <C>
  1999 -- Securities
   Corporation                $      0            0%                  0%
- --------------------------------------------------------------------------------
  1998 -- Securities
   Corporation                $ 50,136          2.5%                2.3%
- --------------------------------------------------------------------------------
  1997 -- Securities
   Corporation                $ 64,092          3.1%                3.6%
- --------------------------------------------------------------------------------
  1999 -- Fred Alger          $129,800          7.3%                6.0%
- --------------------------------------------------------------------------------
  1998 -- Fred Alger          $180,054          8.8%                7.3%
- --------------------------------------------------------------------------------
  1997 -- Fred Alger          $216,495        10.61%              10.03%
</TABLE>

The purchases and sales placed through Fred Alger related primarily to smaller
capitalization stocks, for which execution may be more difficult.

Portfolio Turnover
- -------------------------------------------------------------------------------

The Adviser and the Subadvisers do not consider portfolio turnover rate to be
a limiting factor when they deem it appropriate to purchase or sell securities
for a Fund. The portfolio turnover rate for a Fund in any year will depend on
market conditions, and the rate may increase depending on market conditions or
if a new portfolio manager for a Fund restructures the Fund's holdings. The
Insurance Companies' Separate Accounts do not pay taxes on the investment
gains of the Funds. As a consequence, the Adviser and Subadvisers do not
consider how long a Fund has held a security, or how capital gain upon sale
would be characterized, in deciding whether to sell that security.

The Equity Index Fund, the Indexed Assets of the All America Fund and the Mid-
Cap Equity Index Fund each attempt to duplicate the investment results of an
S&P Index. As a result, the Adviser anticipates that these Funds will hold
investments generally for longer periods than actively managed funds.

                                      19
<PAGE>

                  PURCHASE, REDEMPTION AND PRICING OF SHARES

Calculation of Net Asset Value
- -------------------------------------------------------------------------------

A Separate Account purchases or redeems shares of a Fund at net asset value. A
Fund's net asset value is equal to:

  .  the sum of the value of the securities the Fund holds,

  .  plus any cash or other assets, including interest and dividends
     accrued, and

  .  minus all liabilities, including accrued expenses.

Net asset value is determined once daily immediately after the declaration of
dividends, if any, as of the time of the close of the regular trading session
on the New York Stock Exchange (generally 4:00 p.m. Eastern Standard Time) on
each day the Exchange is open for trading (a Valuation Day). A Valuation
Period for calculation of a Fund's net asset value per share is the period
after the close of a Valuation Day and ending at the close of the next
Valuation Day. The Investment Company determines the net asset value for a
Valuation Period by multiplying a Fund's net asset value per share as of the
preceding Valuation Period by that Fund's Change Factor (described below) for
the current Valuation Period.

The Change Factor for a Fund for any Valuation Period is determined as:

  (a) the ratio of (i) the net asset value of the Fund at the end of the
      current Valuation Period, before any amounts are allocated to or
      withdrawn from the Fund for that Valuation Period, to (ii) the net asset
      value of the Fund at the end of the preceding Valuation Period, after
      all allocations and withdrawals were made for that period,

  divided by

  (b) 1.00000 plus the component of the annual rate of the Adviser's fee
      against a Fund's assets for the number of days from the end of the
      preceding Valuation Period to the end of the current Valuation Period.

Pricing of Securities Held by the Funds
- -------------------------------------------------------------------------------

In determining a Fund's net asset value, the Adviser must value the securities
and other assets the Fund owns.

1) If market quotations are readily available for an investment, the
   Adviser uses market value as follows:

  .  An equity security will be valued at the last sale price for the
     security on the principal exchange on which the security is
     traded, or at the last bid price on the principal exchange on
     which such security is traded if such bid price is of a more
     recent day than the last sale price.

  .  For any equity security not traded on an exchange but traded in
     the over-the-counter market, the value will be the last sale price
     available, or if no sale, at the latest available bid price.

  .  Debt securities will be valued at a composite fair market value,
     "evaluated bid," which may be the last sale price, by a valuation
     service selected by the Adviser and approved by the Investment
     Company's Board of Directors.

2) If there are any portfolio securities or assets for which market quotations
   are not readily available, the Adviser will use fair value pricing, as
   determined in good faith by or under the direction of the Board of
   Directors of the Investment Company.

3) If a money market security has a remaining maturity of 60 days or less, the
   Adviser will use the amortized cost method of valuation to approximate
   market value, as follows:

  .  A security is initially valued at cost on the date of purchase (or
     at market value on the 61st day prior to maturity if the security
     had more than 60 days remaining to maturity at date of purchase by
     a Fund), and the Adviser assumes constant proportionate
     amortization in value until maturity of any discount or premium.

  .  The maturity of a variable rate certificate of deposit is deemed
     to be the next coupon date on which the interest rate is to be
     adjusted.

                                      20
<PAGE>

  .  Market value will be used instead if the amortized cost value is
     materially different from the actual market value of the security.

4) For stock options and futures contracts, these valuations
   apply:

  .  Stock options written by a Fund are valued at the mean of the last
     bid and asked price on the principal exchange where the option is
     traded, as of the close of trading on that exchange.

  .  When a Fund writes a call option, the amount of the premium is
     included in the Fund's assets and the market value of the call is
     included in its liabilities and adjusted thereafter to current
     market value.

    . If a call expires or if the Fund enters into a closing purchase
      transaction, it realizes a gain (or a loss if the cost of the
      transaction exceeds the premium received when the call was
      written) without regard to any unrealized appreciation or
      depreciation in the underlying securities, and the liability
      related to such call is extinguished.

    . If a call is exercised, the Fund realizes a gain or loss from
      the sale of the underlying securities and the proceeds of the
      sale increased by the premium originally received.

  .  A premium a Fund pays on the purchase of a put will be deducted
     from a Fund's assets and an equal amount will be included as an
     investment and subsequently adjusted to the current market value
     of the put.

  .  Futures contracts, and options thereon, traded on commodities
     exchanges are valued at their official settlement price as of the
     close of such commodities exchanges.

                      TAXATION OF THE INVESTMENT COMPANY

Taxes on Funds' Investment Earnings and Income
- -------------------------------------------------------------------------------

The Investment Company has in the past elected the special tax treatment
afforded a "regulated investment company" under Subchapter M of the Internal
Revenue Code, and it intends to continue to qualify under Subchapter M. The
Investment Company will not owe Federal income tax on the ordinary income and
net realized capital gains that it distributes to shareholders, if it
qualifies as a regulated investment company.

If the Investment Company were to fail to qualify as a regulated investment
company, it would be subject to Federal income tax on the Funds' ordinary
income and net realized capital gains, whether or not it distributes the
income and gains to shareholders. If the Funds were to pay Federal income tax,
their investment performance would be negatively affected.

Income Dividends and Capital Gains Distributions
- -------------------------------------------------------------------------------

Funds of the Investment Company declare dividend and other distributions at
least annually. The dividends and distributions are 100% reinvested in
additional full and fractional shares of the Fund to which they relate, both
for net investment income and net realized short- or long-term capital gains.
For each Fund, the Investment Company intends to distribute all net realized
long- or short-term capital gains, if any, and net investment income to the
shareholders of the Fund.

The tax treatment of the Insurance Companies and the Separate Accounts and the
tax implications of an investment in any Contract are described in the
prospectus or brochure for the Contract.

                           DISTRIBUTION ARRANGEMENTS

The Investment Company sells shares of its Funds on a continuous basis, and it
sells only to the Separate Accounts of the Insurance Companies. The shares are
sold at their respective net asset values, without the imposition of a sales
charge. The Investment Company has entered into a Distribution Agreement with
Mutual of America, as principal underwriter, for the distribution of the
Funds' shares. Mutual of America is a registered broker-dealer with the
National Association of Securities Dealers, Inc.

                                      21
<PAGE>

                       YIELD AND PERFORMANCE INFORMATION

Performance information is computed separately for each Fund in accordance
with the formulas described below. At any time in the future, total return and
yields may be higher or lower than in the past and there can be no assurance
that any historical results will continue.

Yield of the Money Market Fund. The Money Market Fund calculates a seven-day
"current yield" (eight days when the seventh prior day has no net asset value
because the Investment Company is closed on that day) based on a hypothetical
shareholder account containing one share at the beginning of the seven-day
period. The return is calculated for the period by determining the net change
in the hypothetical account's value for the period, excluding capital changes.
The net change is divided by the share value at the beginning of the period to
give the base period return. This base period return is then multiplied by
365/7 to annualize the yield figure, which is carried to the nearest one-
hundredth of one percent.

Realized capital gains or losses and unrealized appreciation or depreciation
of the assets of the Money Market Fund are included in the hypothetical
account for the beginning of the period but changes in these items during the
period are not included in the value for the end of the period. Income other
than investment income is excluded for the period. Values also reflect asset
charges (for advisory fees) as well as brokerage fees and other expenses.

Current yields will fluctuate daily. Accordingly, yields for any given seven-
day period do not necessarily represent future results. It should be
remembered that yield depends on the type, quality, maturities and rates of
return of the Money Market Fund's investments, among other factors. The Money
Market Fund yield does not reflect the cost of insurance and other insurance
company separate account charges. It also should not be compared to the yield
of money market funds made available to the general public because they may
use a different method to calculate yield. In addition, their yields are
usually calculated on the basis of a constant one dollar price per share and
they pay out earnings and dividends which accrue on a daily basis.

The following is an example of the calculation of the Money Market Fund's
yield for the seven-day period ended December 28, 1999. Yields may fluctuate
substantially from the example shown.

  1. Value for December 21, 1999

  2. Value for December 28, 1999 (exclusive of capital changes and any
     non-investment income)

  3. Net change equals Line 1 subtracted from Line 2

  4. Base period return equals Line 3 divided by Line 1

  5. Current yield equals Line 4 annualized (multiplied by 365/7)

The Money Market Fund calculates effective yield by following steps 1-4 above
to obtain a base period return, then compounding the base period return as
follows:

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

Calculation of Total Return and Average Annual Total Return. Total Return
reflects changes in the price of a Fund's shares and assumes that any
dividends or capital gains distributions are reinvested in that Fund's shares
immediately rather than paid to the investor in cash.

Average Annual Total Return is calculated by finding the average annual
compounded rates of return of a hypothetical investment over the periods
shown, according to the following formula (Total Return is then expressed as a
percentage):

  T = (ERV/P)/1//n - 1

Where:

  P = a hypothetical initial payment of $1,000

  T = average annual total return

  n = number of years

  ERV = ending redeemable value. ERV is the value, at the end of the
       applicable period, of a hypothetical $1,000 investment made at the
       beginning of the applicable period.


                                      22
<PAGE>

Yield of the Bond Funds. Yield of the shares of the Bond Funds will be
computed by annualizing net investment income, as determined by the
Commission's formula, calculated on a per share basis, for a recent one-month
or 30-day period and dividing that amount by the net asset value per share of
the Fund on the last trading day of that period. Net investment income will
reflect amortization of any market value premium or discount of fixed income
securities (except for obligations backed by mortgages or other assets) over
such period and may include recognition of a pro rata portion of the stated
dividend rate of dividend paying portfolio securities. The Yield of the Fund
will vary from time to time depending upon market conditions, the composition
of the portfolio and operating expenses allocated to the Fund.

Performance Comparisons. Each Fund may from time to time include the Total
Return, the Average Annual Total Return and Yield of its shares in
advertisements or in information furnished to shareholders. The Money Market
Fund may also from time to time include the Yield and Effective Yield of its
shares in information furnished to shareholders. Any statements of a Fund's
performance will also disclose the performance of the respective separate
account issuing the Contracts.

Each Fund may from time to time also include the ranking of its performance
figures relative to such figures for groups of mutual funds categorized by
Lipper Analytical Services ("Lipper") as having the same or similar investment
objectives or by similar services that monitor the performance of mutual
funds. Each Fund may also from time to time compare its performance to average
mutual fund performance figures compiled by Lipper in Lipper Performance
Analysis.

Advertisements or information the Investment Company furnishes to current or
prospective investors also may include evaluations of a Fund published by
nationally recognized ranking services and by financial publications that are
nationally recognized. These publications may include Barron's, Business Week,
CDA Technologies, Inc., Changing Times, Dow Jones Industrial Average,
Financial Planning, Financial World, Forbes, Fortune, Hulbert's Financial
Digest, Institutional Investor, Investors Daily, Money, Morningstar Mutual
Funds, The New York Times, Stanger's Investment Adviser, Value Line, The Wall
Street Journal, Wiesenberger Investment Company Service and USA Today.

In reports or other communications to shareholders, the Investment Company
also may describe general economic and market conditions affecting the Funds
and may compare the performance of the Funds with (1) that of mutual funds
included in the rankings prepared by Lipper or similar investment services
that monitor the performance of insurance company separate accounts or mutual
funds, (2) IBC/Donoghue's Money Fund Report, (3) other appropriate indices of
investment securities and averages for peer universe of funds which are
described in this Statement of Additional Information, or (4) data developed
by the Adviser or any of the Subadvisers derived from such indices or
averages.

Comparative Indices for the Funds
- -------------------------------------------------------------------------------

The Investment Company compares the performance of each Fund (other than the
Money Market Fund) against a widely recognized index or indices for stock or
bond market performance, based on the type of securities the Fund purchases.
The annual and semi-annual financial reports that the Investment Company
prepares will contain graphs with the Funds' performances compared to their
indices.

It is not possible for an investor to directly invest in an unmanaged index.
Performance comparisons to indices are for informational purposes and do not
reflect any actual investment. The Funds pay investment advisory and other
expenses that are not applicable to unmanaged indices.

Equity Index Fund and All America Fund: Performance of each of these Funds is
compared to the Standard & Poor's Composite Index of 500 Stocks (the S&P 500
Index).

The S&P 500 Index is a market value-weighted and unmanaged index showing the
changes in the aggregate market value of 500 stocks relative to the base
period 1941-43, with an average market value of approximately $9 billion. The
S&P 500 Index is composed almost entirely of common stocks of companies listed
on the NYSE, although the common stocks of a few companies listed on the
American Stock Exchange or traded OTC are included. The 500 companies
represented include approximately 400 industrial concerns, as well as
financial services, utility and transportation concerns. The S&P 500 Index
represents about 80% of the market value of all issues traded on the NYSE.

Mid-Cap Equity Index Fund: Performance is compared to the Standard & Poor's
MidCap 400 Index (the S&P Midcap 400 Index).

                                      23
<PAGE>

The S&P Mid-Cap 400 Index is a market value weighted and unmanaged index
showing the changes in the aggregate market value of 400 stocks issued by U.S.
companies with medium market capitalizations, generally between $300 million
and $5 billion and with an average market value of approximately $1.5 billion.
Almost 70% of the stocks are listed on the New York Stock Exchange and
approximately 30% are traded on the Nasdaq National Market (over-the-counter).

Aggressive Equity Fund: Performance is compared to the Russell 2000 Index.

The Russell 2000 Index is a market capitalization weighted index of the 2000
smallest companies in the Russell 3000 Index. The largest company in the
Russell 2000 Index has a current market value of approximately $1 billion. The
market capitalization of companies in the Index varies based on market
conditions and the companies included in the Index, which is adjusted yearly.

Composite Fund: Performance is compared to the S&P 500 Index, the Lehman
Government/Corporate Index and the 90-day Treasury bill rate. (See "Equity
Index Fund and All America Fund" above and "Bond Fund" below).

These three indices represent the three asset allocation categories in which
the Composite Fund invests.

Bond Fund: Performance is compared to the Lehman Brothers Government/Corporate
Bond Index (the Lehman Government/Corporate Index).

The Lehman Government/Corporate Index is a measure of the market value of
approximately 5,300 bonds with a face value currently in excess of $1 million,
which have at least one year to maturity and are rated "Baa" or higher
(investment grade) by a nationally recognized statistical rating agency.

Short-Term Bond Fund: Performance is compared to the Salomon Brothers 1-3 Year
Bond Index.

Mid-Term Bond Fund: Performance is compared to the Salomon Brothers 3-7 Year
Bond Index.

The Salomon Brothers 1-3 Year Bond Index and the 3-7 Year Bond Index are
comprised of the portion of the Salomon Brothers Broad Investment-Grade Bond
Index (BIG Index) with the maturity indicated. The BIG Index includes
Treasury, Agency, mortgage and corporate securities. It is market-
capitalization weighted and includes all fixed-rate bonds with a maturity of
one year or longer and a minimum of $50 million amount outstanding at entry
which remain in the index until their amount falls below $25 million ($200
million for mortgage securities).

                                      24
<PAGE>

                     DESCRIPTION OF CORPORATE BOND RATINGS

Description of Corporate bond ratings of Moody's Investors Services, Inc.:

Aaa- Bonds which are rated Aaa are judged to be of the best quality. They
     carry the smallest degree of investment risk and are generally referred
     to as "gilt-edge". Interest payments are protected by a large or by an
     exceptionally stable margin and principal is secure. While the various
     protective elements are likely to change, such changes as can be
     visualized are most unlikely to impair the fundamentally strong position
     of such issues.

Aa- Bonds which are rated Aa are judged to be of high quality by all
     standards. Together with the Aaa group they comprise what are generally
     known as high-grade bonds. They are rated lower than the best bonds
     because margins of protection may not be as large as in Aaa securities 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 in Aaa securities.

A- Bonds which are rated A 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 sometime in
     the future.

Baa- Bonds which are rated Baa 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.

Ba- Bonds which are rated Ba are judged to have speculative elements; their
     future cannot be considered as well assured. Often the protection of
     interest and principal payments may be very moderate and thereby not well
     safeguarded during both good and bad times over the future. Uncertainty
     of position characterizes bonds in this class.

B- Bonds which are rated B generally lack characteristics of the desirable
     investment. Assurance of interest and principal payments or of
     maintenance of other terms of the contract over any long period of time
     may be small.

Caa- Bonds which are rated Caa are of poor standing. Such issues may be in
     default or there may be present elements of danger with respect to
     principal or interest.

Ca- Bonds which are rated Ca represent obligations which are speculative in a
     high degree. Such issues are often in default or have other marked
     shortcomings.

C- Bonds which are rated C are the lowest rated class of bonds and issues so
     rated can be regarded as having extremely poor prospects of ever
     attaining any real investment standing.

Moody's applies numerical modifiers, 1, 2 and 3 in each generic rating
classification from Aa through B in its corporate bond rating system. The
modifier 1 indicates that the security ranks in the higher end of its generic
rating category; the modifier 2 indicates a mid-range ranking; and the
modifier 3 indicates that the issue ranks in the lower end of its generic
rating category.

Description of corporate bond ratings of Standard & Poor's Corporation:

AAA- Debt rated AAA has the highest rating assigned by Standard & Poor's.
     Capacity to pay interest and repay principal is very strong.

AA- Debt rated AA has a very strong capacity to pay interest and repay
     principal and differs from the higher rated issues only in small degree.

A- Debt rated A has a strong capacity to pay interest and repay principal,
     although it is somewhat more susceptible to the adverse effects of
     changes in circumstances and economic conditions than debt in higher
     rated categories.

BBB- Debt rated BBB is regarded as having an adequate capacity to pay interest
     and repay principal. Whereas 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 for debt in this category than in higher-rated categories.

                                      25
<PAGE>

<TABLE>
 <C> <S>
 BB  -  Debt rated BB, B, CCC and CC is regarded, on balance, as predominantly
 B      speculative with respect to the issuer's capacity to pay interest and
 CCC    repay principal in accordance with the terms of the obligation. BB
 CC     indicates the lowest degree of speculation and CC the highest degree of
        speculation. While such debt will likely have some quality and
        protective characteristics, these are outweighed by large uncertainties
        or major risk exposures to adverse conditions.
 C   -  The rating C is reserved for income bonds on which no interest is being
        paid.
 D   -  Debt rated D is in default, and payment of interest and/or repayment of
        principal is in arrears.
</TABLE>

Plus (+) or Minus (-): The ratings from "AA" to "BB" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.

                             INDEPENDENT AUDITORS

The financial statements included in this Statement of Additional Information
have been audited by Arthur Andersen LLP, independent public accountants, as
indicated in their report with respect thereto and are included herein in
reliance upon the authority of said firm as experts in giving audit reports.

Arthur Andersen LLP have been selected as the independent auditors of the
Investment Company for its fiscal year ending December 31, 1999. Arthur
Andersen LLP also acts as the independent auditors of the Insurance Companies.
Their address is 1345 Avenue of the Americas, New York, New York.

                                 LEGAL MATTERS

The legal validity of the shares described in the Prospectus has been passed
on by Patrick A. Burns, Esq., Senior Executive Vice President and General
Counsel of the Investment Company.

                                   CUSTODIAN

The Custodian of the securities and other assets held by the Investment
Company's Funds is The Chase Manhattan Bank, 1285 Avenue of the Americas, New
York, New York 10019.

                       USE OF STANDARD & POOR'S INDICES

The Equity Index Fund, the Indexed Assets of the All America Fund and the Mid-
Cap Equity Index Fund (together, the Indexed Portfolios) are not sponsored,
endorsed, sold or promoted by Standard & Poor's, a division of the McGraw-Hill
Companies, Inc. (S&P). S&P makes no representation or warranty, express or
implied, to the owners of the Indexed Portfolios or any member of the public
regarding the advisability of investing in securities generally or in the
Indexed Portfolios particularly or the ability of the S&P 500 Index or the S&P
MidCap 400 Index to track general stock market performance. S&P's only
relationship to the Investment Company is the licensing of certain trademarks
and trade names of S&P and of the S&P 500 Index and the S&P MidCap 400 Index
which is determined, composed and calculated by S&P without regard to the
Indexed Portfolios. S&P has no obligation to take the needs of the Indexed
Portfolios or the owners of the Indexed Portfolios into consideration in
determining, composing or calculating the S&P 500 Index or the S&P MidCap 400
Index. S&P is not responsible for and has not participated in the calculation
of the net asset values of the Indexed Portfolios, the amount of the shares of
the Indexed Portfolios or the timing of the issuance or sale of the Indexed
Portfolios. S&P has no obligation or liability in connection with the
administration, marketing or trading of the Indexed Portfolios.

S&P does not guarantee the accuracy and/or the completeness of the S&P 500
index or the S&P MidCap 400 Index or any data included therein. S&P makes no
warranty, express or implied, as to results to be obtained by the Indexed
Portfolios, owners of the Indexed Portfolios, or any other person or entity
from the use of the S&P 500 index, the S&P MidCap 400 Index or any data
included therein. S&P makes no express or implied warranties, and expressly
disclaims all warranties of merchantability or fitness for a particular
purpose or use with respect to the S&P 500 Index, the S&P MidCap 400 Index or
any data included therein. Without limiting any of the foregoing, in no event
shall S&P have any liability for any special, punitive, indirect, or
consequential damages (including lost profits), even if notified of the
possibility of such damages.

                                      26
<PAGE>

                              FINANCIAL STATEMENTS

Financial statements of the Investment Corporation for the year ended December
31, 1999 are included as follows:

                  [To be included by Post-Effective Amendment]

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
President's Message........................................................  28
Portfolio Management Discussions...........................................  29
Portfolio of Investments in Securities:
 Money Market Fund.........................................................  36
 All America Fund..........................................................  37
 Equity Index Fund.........................................................  45
 Mid-Cap Equity Index Fund.................................................  50
 Bond Fund.................................................................  55
 Short-Term Bond Fund......................................................  58
 Mid-Term Bond Fund........................................................  60
 Composite Fund............................................................  62
 Aggressive Equity Fund....................................................  66
Statement of Assets and Liabilities........................................  68
Statement of Operations....................................................  69
Statements of Changes in Net Assets........................................  70
Financial Highlights.......................................................  72
Notes to Financial Statements..............................................  78
Report of Independent Public Accountants...................................  82
</TABLE>

                                       27
<PAGE>

                   Mutual of America Investment Corporation

  We are pleased to present the results of Funds offered by Mutual of America
for the year ending December 31, 1999. Eight of the nine funds delivered
positive returns. In addition, all of the nine funds were either in-line with
or ahead of their respective benchmarks.

  The U.S. economy enjoyed an enviable combination of strong Gross Domestic
Product growth, low inflation, solid corporate profits and moderate interest
rates in 1999. The economy continued its near record expansion as consumer
confidence reached an all-time high, due largely to high employment levels and
a surging stock market. Global economies stabilized, providing further
foundation and fuel for the domestic economy.

  The Federal Reserve, concerned with a strong expanding economy and tight
labor markets, responded with three rate increases totaling 75 basis points
during 1999. Long rates rose approximately 140 basis points during the year.
The strong economy, higher commodity prices and tight labor markets have
increased the potential for higher rates going forward.

  The equity market, as represented by the S&P 500 Index, posted a record
ninth year of positive return. Technology was the dominant factor across all
capitalization levels within the equity markets, as evidenced by the NASDAQ's
remarkable 86% return. Investors seeking growth opportunities favored smaller
capitalization stocks, allowing them to outperform the steadier, but slower
growing, large caps.

               Total Returns -- Year Ended to December 31, 1999

  The total return performance of each Fund for the year ended December 31,
1999 was as follows (please note that the Mid-Cap Equity Index Fund commenced
operations on May 3, 1999):

<TABLE>
   <S>                                                                    <C>
   Money Market Fund..................................................... + 5.1%
   All America Fund...................................................... +25.8%
   Equity Index Fund..................................................... +20.6%
   Mid-Cap Equity Index Fund............................................. +11.8%
   Bond Fund............................................................. - 1.9%
   Short-Term Bond Fund.................................................. + 4.2%
   Mid-Term Bond Fund.................................................... + 1.4%
   Composite Fund........................................................ +15.2%
   Aggressive Equity Fund................................................ +43.3%
</TABLE>

  The above total return performance figures do not reflect the deduction of
respective Separate Account fees and expenses imposed by Mutual of America
Life Insurance Company or The American Life Insurance Company of New York.

  On the pages which immediately follow are brief presentations and graphs for
each Fund (except the Money Market Fund and the Mid-Cap Equity Index Fund)
which illustrate each Fund's respective:

  . Historical total return achieved over specified periods, expressed as an
    annual average rate and as a cumulative rate;
  . Equivalent in dollars of a $10,000 hypothetical investment at the
    beginning of each specified period; and
  . Historical performance compared with an appropriate index.

  The portfolios of each Fund and financial statements are presented in the
pages which then follow.

  Thank you for your continued investment in our Funds.

                                      Sincerely,

/s/ Dolores J. Morrissey
                                      Dolores J. Morrissey
                                      Chairman of the Board and President,
                                      Mutual of America Investment Corporation

                                      28
<PAGE>

                               MONEY MARKET FUND

  The Money Market Fund's investment objective is the realization of high
current income to the extent consistent with the maintenance of liquidity,
investment quality and stability of capital. Through investing in high quality
commercial paper and other short-term instruments, the Fund returned 5.1% for
1999. Short-term rates rose substantially during the year, allowing the Fund
to achieve a higher current return in December than was available from similar
maturities the previous January. The seven-day effective yield as of February
15, 2000 is 5.7%. As with all performance reportings, this yield is not
necessarily indicative of future annual yields.

                               ALL AMERICA FUND

  The All America Fund's investment objective is to outperform the Standard &
Poor's 500 Index. The Fund is approximately 60% invested in the 500 stocks
that comprise the S&P 500. In 1999, the remaining 40% of the Fund was actively
managed by three subadvisors and Mutual of America Capital Management
Corporation. Each manager invests approximately 10% of the Fund's assets,
using a different investment approach. The four approaches are large cap
growth, small cap growth, large cap value and small cap value.

  The Fund returned 25.8% for 1999, exceeding the Index's return of 21.0%. The
Fund's 1999 performance reflected investors' continued quest for growth
opportunities -- both the large and small cap growth portions significantly
outperformed the value segments. Nevertheless, the small cap value segment
performed strongly. Only the large cap value portion turned in a negative
performance.

                         GROWTH OF A 10,000 INVESTMENT

                                 [LINE GRAPH]

<TABLE>
<CAPTION>

- -------------------------------------------      -------------------------------------------
<S>                                              <C>
             All America Fund*                               S & P Index
             ----------------                                -----------
Period          Growth       Total Return           Period     Growth       Total Return
Ended            of      ------------------          Ended       of       ------------------
12/31/99       $10,000     Cumu-     Annual         12/31/99   $10,000    Cumu-    Annual
                          lative    Average                               lative   Average
- -------------------------------------------      -------------------------------------------
1 Year         $12,580    25.8%     25.8%        1 Year         $12,104    21.0%   21.0%
Since 5/2/94*  $32,967   229.7%     29.1%        Since 5/2/94   $36,323   263.2%   31.9%
5 Years        $31,890   218.9%     26.1%        5 Years        $35,120   251.2%   28.6%
10 Years       $45,798   358.0%     16.4%        10 Years       $53,262   432.6%   18.2%
- -------------------------------------------      ------------------------------------------
</TABLE>

* Prior to May 2, 1994, the Fund was known as the Stock Fund, has a different
  investment objective and did not have any subadvisors. Performance data which
  includes periods prior to 5/2/94 reflecat performance results achieved in
  accordance with the previous objective of the Stock Fund.

  The line reprsenting the performance return of the All America Fund includes
  expenses, such as transaction costs and management fees, that reduce returns,
  while the performance return line of the index does not.

                                      29

<PAGE>

                           MID CAP EQUITY INDEX FUND

  The Standard & Poor's Mid-Cap Equity Index Fund invests in the 400 stocks
included in the S&P 400. The S&P 400 Index was created in early 1991. The Fund
became available on May 3, 1999 and performance figures reflect performance
from that date forward. Companies included in the Index were selected by
Standard & Poor's with the expectation that they would be typical of this
asset class, the medium-capitalized sector of the U.S. securities market. The
Fund's performance was 11.8%, equaling the performance of the S&P 400 Index
for the same period. For 1999, the Technology sector single-handedly erased
negative returns posted by the Basic Materials, Consumer Cyclicals, Consumer
Staples, Financial, Transportation and Utility sectors. Positive performance
was also received from the Communications and Energy sectors. During the
fourth quarter of 1999, mid-cap stocks of larger capitalization were strong,
although the smaller cap stocks within the Index outperformed for the year.
Investors appear to have accepted stocks with high price/earnings ratios in
the belief that these companies possess higher earnings growth potential than
those with lower P/Es.

                               EQUITY INDEX FUND

  The Equity Index Fund invests in the 500 stocks which comprise the S&P 500
Index. The S&P 500 is a market-value weighted index of 500 domestic stocks
that are traded on the New York Stock Exchange, American Stock Exchange and
NASDAQ National Market System. The weightings make each company's influence on
the Index's performance directly proportional to that company's market value.
The companies included in the Index tend to be industry leaders. The Fund's
performance for 1999 was 20.6%, closely mirroring the S&P's 21.0% return. The
Index enjoyed a fifth straight year of double-digit returns and a record ninth
consecutive year of positive returns. The prevailing theme of 1999 was the
dominance of technology, which was the best performing sector, returning 75%
for the year and contributing nearly three-quarters of the Index's annual
performance. Three other sectors outperformed the overall index, including
Basic Materials, Capital Goods and Consumer Cyclicals. The worst performing
sectors were Consumer Staples and Health Care. Investor perceptions of Federal
reserve actions, a bias towards large cap stocks and a persistent search for
earnings growth drove multiple expansion, which contributed two-thirds of
annual return.

                        GROWTH OF A $10,000 INVESTMENT

                                 [LINE GRAPH]

<TABLE>
<CAPTION>

- --------------------------------------          ------------------------------------
<S>                                             <C>
           Equity Index Fund                               S&P 500 Index
           ------------------                              -------------
Period      Growth      Total Return              Period    Growth    Total Return
Ended         of         ------------              Ended       of      -------------
12/31/99    $10,000    Cumu-  Annual              12/31/99   $10,000  Cumu-  Annual
                       lative Average                                 lative Average
- --------------------------------------          ------------------------------------
1 Year       $12,062    20.6%   20.6%           1 Year       $12,104   21.0%  21.0%
5 years      $34,617   246.2%   28.2%           5 Years      $35,120  251.2%  28.6%
Since 2/5/93                                    Since 2/5/93
(Inception)  $37,320   273.2%   21.0%           (Inception)  $38,180  281.8%  21.4%
- --------------------------------------          ------------------------------------
</TABLE>


The line representing the performance return of the Equity Index Fund includes
expenses, such as transaction costs and management fees, that reduce returns,
while the performance return line of the index does not.


                                      30
<PAGE>

                                   BOND FUND

  The Bond Fund seeks a high level of return consistent with the preservation
of capital through investments in publicly traded debt securities. The Fund
primarily invests in corporate and U.S. Government agency securities, which
yield more than U.S. Treasury issues. The Fund's benchmark, the Lehman Bros.
Government/Corporate Bond Index, had a rare negative return for 1999 (-2.2%),
as did the Bond Fund (-1.9%), although the Bond Fund's less volatile nature
enabled it to outperform the Index by a modest margin. Fears of inflation, fed
by a strong domestic economy, a booming stock market, and higher oil prices,
depressed bond returns. The inability of coupon income to keep pace with
interest rate increases further damaged prospects for bond returns.

                        GROWTH OF A $10,000 INVESTMENT

                                 [LINE GRAPH]


- ----------------------------------      ---------------------------------------
       Bond Fund                         Lehman Bros. Gov't/Corp. Bond Index
       ---------                        ---------------------------------------
Period    Growth     Total Return         Period      Growth      Total Return
Ended      of        ------------         Ended         of        -------------
12/31/99  $10,000    Cumu-  Annual        12/31/99    $10,000     Cumu-  Annual
                    lative Average                               lative Average
- ----------------------------------      ---------------------------------------
1 Year     $9,809   -1.9%   -1.9%        1 Year       $10,000    -2.2%  -2.2%
5 Years   $14,346   43.5%    7.5%        5 Years      $14,426    44.3%   7.6%
10 Years  $20,769   107.7%   7.6%        10 Years     $20,912    109.1%  7.7%
- ----------------------------------      ---------------------------------------

The line representing the performance return of the Bond Fund includes expenses,
such as transaction costs and management fees, that reduce returns, while the
performance return line of the index does not.

                                      31
<PAGE>

                             SHORT-TERM BOND FUND

  The Short-Term Bond Fund seeks a high level of return consistent with the
preservation of capital through investments in publicly traded debt
securities. The Fund primarily invests in corporate, U.S. Government agency,
and mortgage backed securities, which yield more than U.S. Treasury issues.
The Fund's strategy focused on tightly structured U.S. Government agency
mortgage securities, which were relatively less volatile than other securities
of similar maturity. This enabled the Fund to outperform its benchmark, the
Salomon Brothers 1-3 Year Bond Index, 4.2% to 3.3%.

                        GROWTH OF A $ 10,000 INVESTMEMT

                                 [LINE GRAPH]

<TABLE>
<CAPTION>

- ------------------------------------           -------------------------------------
<S>                                            <C>
      Short-Term Bond Fund                     Salomon Bros. 1-3 Year Bond Index
      --------------------                     -------------------------------------
Period       Growth    Total Return             Period      Growth     Total Return
Ended          of      -------------            Ended         of     ---------------
12/31/99     $10,000   Cumu-  Annual            12/31/99    $10,000  Cumu-  Annual
                      lative  Average                                lative  Average
- ------------------------------------           -------------------------------------
1 Year       $10,424    4.2%   4.2%             1 Year      $10,328   3.3%    3.3%
5 Years      $13,202   32.0%   5.7%             5 Years     $13,742  37.4%    6.6%
Since 2/5/93                                   Since 2/5/93
(Inception)  $13,994   39.9%   5.0%            (Inception)  $14,444  44.4%    5.5%
- ------------------------------------           -------------------------------------
</TABLE>

The line representing the performance return of the Short-Term Bond Fund
includes expenses, such as transaction costs and management fees, that reduce
returns, while the performance return line of the index does not.

                                      32
<PAGE>

                              MID-TERM BOND FUND

  The Mid-Term Bond Fund seeks a high level of return consistent with the
preservation of capital through investment in publicly traded debt securities.
The Fund primarily invests in corporate and U.S. Government agency securities
which yield more than U.S. Treasury issues. Interest rates rose substantially
during the year due to a strong economy and investor fears of renewed
inflationary pressures. By keeping average maturities slightly shorter than
those of securities held in the benchmark index, the Fund returned 1.4% for
the 1999 calendar year versus the Salomon Brothers 3-7 Year Bond Index return
of -1.0%.

                        GROWTH OF A $10,000 INVESTMENT

                                 [LINE GRAPH]

<TABLE>
<CAPTION>

- --------------------------------------            --------------------------------------
<S>                                                <C>
   Mid-Term Bond Fund                              Salomon Bros. 3-7 Year Bond Index
- --------------------------------------            --------------------------------------
Period     Growth     Total Return                Period     Growth      Total Return
                      ------------                                      ----------------
Ended        of       Cumu-   Annual              Ended        of       Cumu-   Annual
12/31/99    $10,000   lative  Average             12/31/99   $10,000    lative  Average
- --------------------------------------            --------------------------------------
1 Year      $10,138   1.4%     1.4%               1 Year        $9,900    -1.0%   -1.0%
5 Years     $13,982   39.8%    6.9%               5 Years      $14,172    41.7%    7.2%
Since 2/5/93                                      Since 2/5/93
(inception) $ 14,479  44.8%    5.5%               (inception)  $14,790    47.9%   5.8%
- --------------------------------------            --------------------------------------
</TABLE>

The line representing the peformance return of the Mid-Term Bond Fund includes
expenses, such as transaction costs and mangement fees, that reduce returns,
while the performance return line of the index does not.

                                      33
<PAGE>

                                COMPOSITE FUND

  The Composite Fund's investment objective is the achievement of a high total
rate of return, through both appreciation of capital and current income, as is
consistent with prudent investment risk. This is carried out through
investment in both stocks and fixed income securities. The Fund may invest in
approximately 100 stocks, all of which are included in the S&P 500 Index. They
include the Index's top 25 stocks by market capitalization, in which the Fund
invests in approximately the same weight as their representation within the
Index. The remaining 75 stocks are selected for their unique opportunities and
attractiveness, as well as to keep the Fund's sector weights similar to the
Index. The Bond portion of the Fund invests primarily in corporate and U.S.
Government agency issues, which yield more than U.S. Treasury securities. The
Lehman Bros. Government/Corporate Index returned -2.2%. The S&P 500 returned
21.0%. The Composite Fund returned 15.2% on a consolidated basis, which is
comprised of approximately 60% equities, with the rest mainly fixed income
securities.


                        GROWTH OF A $10,000 INVESTMENT

                                 [LINE GRAPH]

- ----------------------------------             --------------------------------
      Composite Fund                            S & P 500 Index
      --------------                            ---------------
Period    Growth    Total Return               Period    Growth   Total Return
                   ---------------                               --------------
Ended      of      Cumu-  Annual               Ended       of     Cumu-  Annual
12/31/99 $10,000   lative Average              12/31/99  10,000  lative Average
- ----------------------------------             --------------------------------
1 Year   $11,518   15.2%  15.2%                1 Year    $12,104  21.0%   21.0%
5 Years  $21,166  117.7%  16.2%                5 Years   $35,120  251.2%  28.6%
10 Years $30,987  209.9%  12.0%                10 Years  $53,262  432.6%  18.2%
- ----------------------------------             --------------------------------


- ----------------------------------            ----------------------------------
Lehman Bros Gov't/Corp. Bond Index            Salomon Bros. 3-Month T-Bill Index
- ----------------------------------            ----------------------------------
Period    Growth    Total Return               Period    Growth    Total Return
                   ---------------                               ---------------
Ended      of      Cumu-  Annual               Ended       of    Cumm-  Annual
12/31/99 $10,000   lative Average              12/31/99  10,000  lative Average
- ----------------------------------             ---------------------------------
1 Year   $9,785    -2.2%  -2.2%                1 Year    $10,474   4.7%    4.7%
5 Years  $14,426   44.3%   7.6%                5 Years   $12,890   28.9%   5.2%
10 Years $20,912  109.1%   7.7%                10 Years  $16,382   63.8%   5.1%
- ----------------------------------             ---------------------------------

The line representing the performance return of the Composite Fund includes
expenses, such as transaction costs and management fees, that reduce returns,
while the performance return lines of the indices do not.

                                      34
<PAGE>

                            AGGRESSIVE EQUITY FUND

  The Fund's investment objective is capital appreciation through investing in
stocks characterized as both growth and value stocks. It is expected that
approximately 50% of the Fund's assets will be invested in each category.
During 1999, growth stocks, both in the Fund and in the broader market,
significantly outperformed value stocks, as investors favored companies which
exhibited earnings growth, some of which was expected and some which was not.
The Fund was heavily weighted in the Technology sector, which has dominated
the equity markets as it has offered the most growth potential. The Fund
returned 43.3%, significantly outperforming its benchmark, the Russell 2000
Index, which returned 21.3%.

              [CHART ILLUSTRATING GROWTH OF A $10,000 INVESTMENT]

                                      35
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (MONEY MARKET FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                       Discount             Face     Amortized
                               Rating*   Rate   Maturity   Amount      Cost
                               ------- -------- -------- ---------- -----------
<S>                            <C>     <C>      <C>      <C>        <C>
SHORT-TERM DEBT SECURITIES:
Commercial Paper
 Allied Signal, Inc. .........  A1/P1    5.83%  01/18/00 $2,000,000 $ 1,994,454
 Allied Signal, Inc. .........  A1/P1    5.90   01/27/00  1,000,000     995,716
 American Express Credit
  Corp........................  A1/P1    5.80   01/19/00    575,000     573,318
 Archer-Daniels-Midland Co.... A1+/P1    6.30   01/25/00    250,000     248,947
 Associates Corp. North
  America..................... A1+/P1    5.92   02/04/00  1,000,000     994,386
 AT&T Corp.................... A1+/P1    6.01   01/25/00  2,500,000   2,489,951
 Avery Dennison Corp..........  A1/P1    5.93   01/14/00  2,500,000   2,494,624
 Baltimore Gas & Electric Co..  A1/P1    5.90   01/13/00  1,410,000   1,407,216
 Bear Stearns Cos Inc. .......  A1/P1    5.94   01/10/00  2,500,000   2,496,233
 Bell Atlantic Network Funding
  Corp........................  A1/P1    5.88   01/21/00  2,500,000   2,491,793
 Bemis, Inc...................  A1/P1    6.03   01/19/00  2,900,000   2,891,229
 British Telecommunications... A1+/P1    5.85   01/18/00    957,000     954,337
 British Telecommunications... A1+/P1    5.86   01/24/00  1,295,000   1,290,117
 Campbell Soup Company........ A1+/P1    5.80   01/21/00  2,500,000   2,491,905
 Cargill, Inc................. A1+/P1    6.25   01/14/00  2,000,000   1,995,474
 Carolina Power & Light Corp..  A1/P1    6.40   01/26/00    870,000     866,123
 CIT Group Holdings, Inc. ....  A1/P1    5.95   01/04/00  2,500,000   2,498,748
 CIT Group Holdings, Inc......  A1/P1    5.87   01/10/00    500,000     499,263
 Coca-Cola Co................. A1+/P1    5.78   01/13/00  1,020,000   1,018,022
 DaimlerChrysler AG...........  A1/P1    5.95   01/18/00  1,000,000     997,149
 DaimlerChrysler AG...........  A1/P1    5.95   02/07/00  2,025,000   2,012,567
 Du Pont (E.I.) de Nemours.... A1+/P1    5.78   01/26/00  1,180,000   1,175,234
 Ford Motor Credit Corp.......  A1/P1    5.98   01/14/00  1,300,000   1,297,179
 Ford Motor Credit Corp.......  A1/P1    5.90   01/19/00  2,000,000   1,994,075
 General Electric Capital
  Corp........................ A1+/P1    5.95   01/20/00    743,000     740,655
 General Electric Capital
  Corp........................ A1+/P1    5.80   01/21/00    500,000     498,378
 Great Lakes Chemical Corp....  A1/P1    5.90   01/28/00  2,500,000   2,488,892
 Great Lakes Chemical Corp....  A1/P1    6.05   01/28/00    425,000     423,065
 GTE Funding, Inc.............  A1/P1    5.90   01/18/00  2,500,000   2,492,989
 Heinz (H.J.) Co..............  A1/P1    6.15   01/11/00  2,375,000   2,370,932
 Heinz (H.J.) Co..............  A1/P1    6.05   01/13/00    550,000     548,887
 Merrill Lynch & Co., Inc..... A1+/P1    5.88   01/21/00  1,000,000     996,712
 Merrill Lynch & Co., Inc..... A1+/P1    5.95   01/28/00    695,000     691,882
 Merrill Lynch & Co., Inc..... A1+/P1    6.00   01/28/00  1,500,000   1,493,222
 Minnesota Mining & Mfg. Co... A1+/P1    6.05   01/28/00  1,200,000   1,194,540
 Northern Illinois Gas Co..... A1+/P1    5.88   01/21/00  2,855,000   2,845,629
 Northern States Power Co..... A1+/P1    6.00   01/10/00  2,054,000   2,050,908
 Panasonic Finance, Inc....... A1+/P1    5.87   02/03/00  2,795,000   2,779,897
 Procter & Gamble Co.......... A1+/P1    6.10   01/12/00    500,000     499,065
 Procter & Gamble Co.......... A1+/P1    5.85   01/26/00    985,000     980,979
 SBC Communications, Inc...... A1+/P1    5.82   01/20/00  2,500,000   2,492,271
 Sony Capital Corp............  A1/P1    6.27   01/18/00  2,500,000   2,492,576
 Toyota Credit de Puerto Rico. A1+/P1    6.37   01/13/00  1,000,000     997,870
 Toyota Credit de Puerto Rico. A1+/P1    5.98   01/21/00  1,000,000     996,661
 Toyota Credit de Puerto Rico. A1+/P1    6.02   02/03/00  1,000,000     994,459
 Toyota Motor Credit Corp..... A1+/P1    6.04   01/13/00    295,000     294,404
 UBS Finance (Delw.) Inc...... A1+/P1    4.00   01/03/00  2,250,000   2,249,500
 Xerox Credit.................  A1/P1    5.87   01/18/00  1,800,000   1,794,964
                                                                    -----------
Total Short-Term Debt
 Securities:
 (Cost: $73,577,397) 100%.....                                      $73,577,397
                                                                    ===========
</TABLE>
- -------
* The ratings are provided by Standard & Poor's Corporation/Moody's Investors
  Services, Inc.

   The accompanying notes are an integral part of these financial statements.

                                       36
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS:
Common Stocks
 3Com Corp. ..............................................  14,572 $    684,884
 Abbott Laboratories......................................  64,928    2,357,698
 Adaptec, Inc. ...........................................   4,313      215,111
 ADC Telecommunications, Inc. ............................   6,318      458,450
 Adobe Systems, Inc. .....................................   5,077      341,428
 Advanced Micro Devices, Inc. ............................   6,217      179,904
 AES Corp. ...............................................   8,717      651,596
 Aetna, Inc. .............................................   6,321      352,791
 Aflac, Inc. .............................................  11,239      530,340
 Air Products & Chemicals, Inc. ..........................   9,685      325,053
 Alberto-Culver Co. Cl B..................................   2,371       61,201
 Albertson's, Inc. .......................................  17,888      576,888
 Alcan Aluminum Ltd. .....................................   9,256      381,232
 ALCOA, Inc. .............................................  15,475    1,284,425
 Allegheny Technologies, Inc. ............................   3,951       88,651
 Allergan, Inc. ..........................................   5,572      277,207
 Allied Waste Industries, Inc. ...........................   7,976       70,289
 Allstate Corp. ..........................................  34,016      816,384
 Alltel Corp. ............................................  13,259    1,096,354
 Alza Corp. ..............................................   4,340      150,273
 Amerada Hess Corp. ......................................   3,830      217,353
 Ameren Corp. ............................................   5,795      189,786
 America Online, Inc. ....................................  94,415    7,122,432
 American Electric Power, Inc. ...........................   8,198      263,361
 American Express Co. ....................................  18,907    3,143,289
 American General Corp. ..................................  10,437      791,907
 American Greetings Corp. Cl A............................   2,725       64,378
 American Home Products Corp. ............................  55,147    2,174,860
 American Int'l. Group, Inc. .............................  65,389    7,070,186
 Amgen, Inc. .............................................  43,143    2,591,276
 AMR Corp. ...............................................   6,254      419,018
 Amsouth Bancorporation...................................  16,517      318,985
 Anadarko Petroleum Corp. ................................   5,386      183,797
 Analog Devices, Inc. ....................................   7,382      686,526
 Andrew Corp. ............................................   3,464       65,600
 Anheuser-Busch Cos., Inc. ...............................  19,651    1,392,765
 Aon Corp. ...............................................  10,839      433,560
 Apache Corp. ............................................   4,818      177,965
 Apple Computer, Inc. ....................................   6,795      698,611
 Applied Materials, Inc. .................................  15,982    2,024,720
 Archer-Daniels-Midland Co. ..............................  25,694      313,146
 Armstrong World Inds., Inc. .............................   1,690       56,404
 Ashland, Inc. ...........................................   3,047      100,361
 Associates First Capital Corp. Cl A......................  30,757      843,895
 AT&T Corp. .............................................. 134,954    6,848,916
 Atlantic Richfield Co. ..................................  13,630    1,178,995
 Autodesk, Inc. ..........................................   2,576       86,940
 Automatic Data Processing, Inc. .........................  26,401    1,422,354
 AutoZone, Inc. ..........................................   6,097      197,009
 Avery Dennison Corp. ....................................   4,759      346,812
 Avon Products, Inc. .....................................  10,234      337,722
 Baker Hughes, Inc. ......................................  13,904      292,853
 Ball Corp. ..............................................   1,284       50,558
 Bank of America Corp. ...................................  72,102    3,618,619
 Bank of New York, Inc. ..................................  31,101    1,244,040
 Bank One Corp. ..........................................  48,438    1,553,043
 Bard (C.R.), Inc. .......................................   2,164      114,692
 Barrick Gold Corp. ......................................  16,660      294,674
 Bausch & Lomb, Inc. .....................................   2,424      165,893
 Baxter International, Inc. ..............................  12,287      771,777
 BB & T Corp. ............................................  13,978      382,648
 Bear Stearns Cos., Inc. .................................   5,033      215,161
 Becton Dickinson & Co. ..................................  10,572      282,801
 Bed Bath & Beyond, Inc. .................................   5,906      205,234
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Bell Atlantic Corp. .....................................  65,581 $  4,037,330
 BellSouth Corp. .........................................  79,499    3,721,547
 Bemis, Inc. .............................................   2,211       77,109
 Best Buy, Inc. ..........................................   8,669      435,075
 Bestfoods................................................  11,781      619,239
 Bethlehem Steel Corp. ...................................   5,539       46,389
 Biomet, Inc. ............................................   4,765      190,600
 Black & Decker Corp. ....................................   3,675      192,019
 Block (H. & R.), Inc. ...................................   4,123      180,381
 BMC Software, Inc. ......................................  10,222      817,121
 Boeing Co. ..............................................  39,470    1,640,472
 Boise Cascade Corp. .....................................   2,409       97,565
 Boston Scientific Corp. .................................  17,515      383,141
 Briggs & Stratton Corp. .................................     991       53,142
 Bristol-Myers Squibb Co. ................................  83,780    5,377,629
 Brown-Forman Corp. Cl B..................................   2,892      165,567
 Brunswick Corp. .........................................   3,878       86,286
 Burlington Northern Santa Fe Corp. ......................  19,299      468,001
 Burlington Resources, Inc. ..............................   9,186      303,712
 Cabletron Systems, Inc. .................................   7,626      198,276
 Campbell Soup Co. .......................................  18,070      699,083
 Capital One Financial Corp. .............................   8,328      401,306
 Cardinal Health, Inc. ...................................  11,836      566,649
 Carnival Corp. ..........................................  26,055    1,245,755
 Carolina Power & Light Co. ..............................   6,740      205,149
 Caterpillar, Inc. .......................................  15,017      706,738
 CBS Corp. ...............................................  32,199    2,058,724
 Cendant Corp. ...........................................  30,030      797,672
 Centex Corp. ............................................   2,511       61,990
 Central & South West Corp. ..............................   8,981      179,620
 CenturyTel, Inc. ........................................   5,899      279,465
 Ceridian Corp. ..........................................   6,109      131,725
 Champion International Corp. ............................   4,063      251,652
 Charles Schwab Corp. ....................................  34,631    1,328,965
 Chase Manhattan Corp. ...................................  34,834    2,706,166
 Chevron Corp. ...........................................  27,717    2,400,985
 Chubb Corp. .............................................   7,431      418,458
 CIGNA Corp. .............................................   7,854      632,738
 Cincinnati Financial Corp. ..............................   6,931      216,161
 CINergy Corp. ...........................................   6,712      161,927
 Circuit City Group, Inc. ................................   8,584      386,817
 Cisco Systems, Inc. ..................................... 138,149   14,799,212
 Citigroup, Inc. ......................................... 142,401    7,912,156
 Citrix Systems, Inc. ....................................   3,785      465,555
 Clear Channel Communications, Inc.                         14,296    1,275,918
 Clorox Co. ..............................................   9,984      502,944
 CMS Energy Corp. ........................................   4,891      152,538
 Coastal Corp. ...........................................   9,022      319,717
 Coca-Cola Co. ........................................... 104,319    6,076,582
 Coca-Cola Enterprises, Inc. .............................  17,970      361,646
 Colgate-Palmolive Co. ...................................  24,605    1,599,325
 Columbia Energy Group....................................   3,432      217,074
 Columbia/HCA Healthcare Corp. ...........................  23,790      697,344
 Comcast Corp. Cl A.......................................  31,747    1,605,208
 Comerica, Inc. ..........................................   6,605      308,371
 Compaq Computer Corp. ...................................  71,799    1,943,060
 Computer Associates Intl., Inc. .........................  22,765    1,592,127
 Computer Sciences Corp. .................................   7,032      665,403
 Compuware Corp. .........................................  15,114      562,997
 Comverse Technology Inc. ................................   2,986      432,224
 Conagra, Inc. ...........................................  20,790      469,074
 Conoco, Inc. ............................................  26,450      657,944
 Conseco, Inc. ...........................................  13,816      246,961
 Consolidated Edison, Inc. ...............................   9,335      322,058
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       37
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Consolidated Natural Gas Co. ............................   4,051 $    263,062
 Consolidated Stores Corp. ...............................   4,675       75,969
 Constellation Energy Group, Inc. ........................   6,316      183,164
 Cooper Industries, Inc. .................................   3,977      160,820
 Cooper Tire & Rubber Co. ................................   3,200       49,800
 Coors (Adolph) Co. Cl B..................................   1,554       81,585
 Corning, Inc. ...........................................  10,338    1,332,956
 Costco Wholesale Corp. ..................................   9,369      854,921
 Countrywide Credit Industries, Inc. .....................   4,779      120,670
 Crane Co. ...............................................   2,783       55,312
 Crown Cork & Seal, Inc. .................................   5,147      115,164
 CSX Corp. ...............................................   9,221      289,309
 Cummins Engine Co., Inc. ................................   1,769       85,465
 CVS Corp. ...............................................  16,551      661,006
 Dana Corp. ..............................................   6,948      208,006
 Danaher Corp. ...........................................   6,012      290,079
 Darden Restaurants, Inc. ................................   5,550      100,594
 Dayton-Hudson Corp. .....................................  18,611    1,366,745
 Deere & Co. .............................................   9,870      428,111
 Dell Computer Corp. ..................................... 107,313    5,472,963
 Delphi Automotive Systems Corp. .........................  23,863      375,842
 Delta Air Lines, Inc. ...................................   5,612      279,548
 Deluxe Corp. ............................................   3,100       85,056
 Dillard's Inc. Cl A......................................   4,534       91,530
 Disney (Walt) Co. .......................................  87,102    2,547,734
 Dollar General Corp. ....................................  11,234      255,574
 Dominion Resources, Inc. ................................   8,059      316,316
 Donnelley (R.R.) & Sons Co. .............................   5,340      132,499
 Dover Corp. .............................................   8,600      390,225
 Dow Chemical Co. ........................................   9,262    1,237,635
 Dow Jones & Co., Inc. ...................................   3,779      256,972
 DTE Energy Co. ..........................................   6,126      192,203
 Du Pont (E.I.) de Nemours & Co. .........................  44,115    2,906,084
 Duke Energy Corp. .......................................  15,444      774,131
 Dun & Bradstreet Corp. ..................................   6,795      200,453
 Eastern Enterprises......................................   1,120       64,330
 Eastman Chemical Co. ....................................   3,302      157,464
 Eastman Kodak Co. .......................................  13,329      883,046
 Eaton Corp. .............................................   3,108      225,719
 Ecolab, Inc. ............................................   5,473      214,131
 Edison International.....................................  14,664      384,014
 El Paso Energy Corp. ....................................   9,643      374,269
 Electronic Data Systems Corp. ...........................  19,883    1,330,918
 EMC Corp. ...............................................  42,974    4,694,916
 Emerson Electric Co. ....................................  18,351    1,052,889
 Engelhard Corp. .........................................   5,315      100,321
 Enron Corp. .............................................  30,224    1,341,190
 Entergy Corp. ...........................................  10,425      268,444
 Equifax, Inc. ...........................................   5,973      140,739
 Exxon Mobil Corp. ....................................... 145,859   11,750,766
 Fannie Mae...............................................  43,290    2,702,919
 FDX Corp. ...............................................  12,610      516,222
 Federated Department Stores, Inc. .......................   8,867      448,338
 Fifth Third Bancorp......................................  13,038      956,663
 First Data Corp. ........................................  17,699      872,782
 First Union Corp. .......................................  41,717    1,368,839
 Firstar Corp. ...........................................  41,398      874,533
 FirstEnergy Corp. .......................................   9,842      223,290
 FleetBoston Financial Corp. .............................  38,668    1,346,130
 Fleetwood Enterprises, Inc. .............................   1,408       29,040
 Florida Progress Corp. ..................................   4,146      175,428
 Fluor Corp. .............................................   3,191      146,387
 FMC Corp. ...............................................   1,292       74,048
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Ford Motor Co. ..........................................  51,015 $  2,726,114
 Fort James Corp. ........................................   9,138      250,153
 Fortune Brands, Inc. ....................................   6,930      229,123
 Foster Wheeler Corp. ....................................   1,720       15,265
 FPL Group, Inc. .........................................   7,570      324,091
 Franklin Resources, Inc. ................................  10,649      341,434
 Freddie Mac..............................................  29,361    1,381,802
 Freeport-McMoran Copper &
  Gold, Inc. Cl B.........................................   6,905      145,868
 Gannett Co., Inc. .......................................  11,774      960,317
 Gap, Inc. ...............................................  36,162    1,663,452
 Gateway, Inc. ...........................................  13,382      964,340
 General Dynamics Corp. ..................................   8,511      448,955
 General Electric Co. .................................... 138,571   21,443,862
 General Instrument Corp. ................................   7,350      624,750
 General Mills, Inc. .....................................  12,833      458,780
 General Motors Corp. ....................................  27,039    1,965,397
 Genuine Parts Co. .......................................   7,510      186,342
 Georgia-Pacific Group....................................   7,222      366,517
 Gillette Co. ............................................  45,303    1,865,917
 Global Crossing Ltd. ....................................  32,051    1,602,550
 Golden West Financial Corp. .............................   6,826      228,671
 Goodrich (B.F.) Co. .....................................   4,643      127,683
 Goodyear Tire & Rubber Co. ..............................   6,603      186,122
 GPU, Inc. ...............................................   5,213      156,064
 Grainger (W.W.), Inc. ...................................   3,944      188,573
 Great Atlantic & Pacific Tea, Inc. ......................   1,618       45,102
 Great Lakes Chemical Corp. ..............................   2,429       92,757
 GTE Corp. ...............................................  41,043    2,896,097
 Guidant Corp. ...........................................  12,981      610,107
 Halliburton Holdings Co. ................................  18,657      750,944
 Harcourt General, Inc. ..................................   2,999      120,710
 Harrah's Entertainment, Inc. ............................   5,431      143,582
 Hartford Financial Svs Gp, Inc. .........................   9,360      443,430
 Hasbro, Inc. ............................................   8,184      156,008
 HealthSouth Corp. .......................................  16,313       87,682
 Heinz (H.J.) Co. ........................................  15,136      602,602
 Helmerich & Payne, Inc. .................................   2,081       45,392
 Hercules, Inc. ..........................................   4,490      125,159
 Hershey Food Corp. ......................................   5,844      277,590
 Hewlett-Packard Co. .....................................  43,037    4,903,528
 Hilton Hotels Corp. .....................................  15,577      149,929
 Home Depot, Inc. ........................................  97,239    6,666,949
 Homestake Mining Co. ....................................  10,992       85,875
 Honeywell International, Inc. ...........................  33,433    1,928,666
 Household International Corp. ...........................  19,856      739,636
 Humana, Inc. ............................................   7,075       57,927
 Huntington Bancshares, Inc. .............................   9,704      231,683
 Ikon Office Solutions, Inc. .............................   6,298       42,905
 Illinois Tool Works, Inc. ...............................  12,691      857,436
 IMS Health, Inc. ........................................  13,005      353,573
 Inco Ltd. ...............................................   8,107      190,515
 Ingersoll Rand Co. ......................................   6,909      380,427
 Intel Corp. ............................................. 141,106   11,614,788
 International Business Machines Corp.                      76,132    8,222,256
 International Flavors &
  Fragrances, Inc. .......................................   4,439      167,572
 International Paper Co. .................................  17,488      986,979
 Interpublic Group of Cos., Inc. .........................  11,853      683,770
 ITT Industries, Inc. ....................................   3,713      124,153
 Jefferson-Pilot Corp. ...................................   4,423      301,870
 Johnson & Johnson........................................  58,730    5,469,231
 Johnson Controls, Inc. ..................................   3,604      204,978
 Jostens, Inc. ...........................................   1,409       34,256
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       38
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Kansas City Southern Inds. ..............................   4,668 $    348,350
 Kaufman & Broad Home Corp. ..............................   2,017       48,786
 Kellogg Co. .............................................  17,122      527,572
 Kerr-McGee Corp. ........................................   3,646      226,052
 KeyCorp. ................................................  18,892      417,986
 Kimberly Clark Corp. ....................................  22,990    1,500,098
 KLA Tencor Corp. ........................................   3,799      423,114
 Kmart Corp. .............................................  20,851      209,813
 Knight-Ridder, Inc. .....................................   3,545      210,928
 Kohl's Corp. ............................................   6,882      496,794
 Kroger Co. ..............................................  35,138      663,230
 Legget & Platt, Inc. ....................................   8,290      177,717
 Lehman Brothers Holdings, Inc. ..........................   5,069      429,281
 Lexmark Intl Group Inc. Cl A.............................   5,394      488,157
 Lilly (Eli) & Co. .......................................  46,058    3,062,857
 Limited, Inc. ...........................................   9,068      392,758
 Lincoln National Corp. ..................................   8,256      330,240
 Liz Claiborne, Inc. .....................................   2,497       93,950
 Lockheed Martin Corp. ...................................  16,723      365,816
 Loews Corp. .............................................   4,479      271,819
 Longs Drug Stores Corp. .................................   1,658       42,797
 Louisiana-Pacific Corp. .................................   4,496       64,068
 Lowe's Companies, Inc. ..................................  16,139      964,305
 LSI Logic Corp. .........................................   6,297      425,048
 Lucent Technologies, Inc. ............................... 132,325    9,899,564
 Mallinckrodt, Inc. ......................................   2,939       93,497
 Manor Care, Inc. ........................................   4,352       69,632
 Marriott International, Inc. Cl A........................  10,507      331,627
 Marsh & McLennan Co., Inc. ..............................  11,281    1,079,451
 Masco Corp. .............................................  18,879      479,055
 Mattel, Inc. ............................................  17,771      233,244
 May Department Stores Co. ...............................  14,112      455,112
 Maytag Corp. ............................................   3,566      171,168
 MBIA, Inc. ..............................................   4,206      222,129
 MBNA Corp. ..............................................  33,863      922,767
 McDermott International, Inc. ...........................   2,506       22,711
 McDonald's Corp. ........................................  57,186    2,305,311
 McGraw-Hill Cos., Inc. ..................................   8,282      510,378
 MCI WorldCom, Inc. ...................................... 119,877    6,360,973
 McKesson HBOC, Inc. .....................................  11,893      268,336
 Mead Corp. ..............................................   4,335      188,302
 MediaOne Group, Inc. ....................................  25,847    1,985,373
 Medtronic, Inc. .........................................  50,482    1,839,438
 Mellon Financial Corp. ..................................  21,483      731,765
 Merck & Co., Inc. .......................................  98,720    6,620,410
 Meredith Corp. ..........................................   2,200       91,713
 Merrill Lynch & Co., Inc. ...............................  15,655    1,307,193
 MGIC Investment Corp. ...................................   4,465      268,737
 Micron Technology, Inc. .................................  11,397      886,117
 Microsoft Corp. ......................................... 217,931   25,443,402
 Milacron, Inc. ..........................................   1,559       23,970
 Millipore Corp. .........................................   1,900       73,388
 Minnesota Mining & Mfg. Co. .............................  16,950    1,658,981
 Mirage Resorts, Inc. ....................................   8,160      124,950
 Molex, Inc. .............................................   6,620      375,271
 Monsanto Co. ............................................  26,802      954,821
 Morgan (J.P.) & Co., Inc. ...............................   7,313      926,009
 Morgan Stanley Dean Witter...............................  23,523    3,357,908
 Motorola, Inc. ..........................................  25,725    3,788,006
 Nabisco Group Holdings Corp. ............................  13,775      146,359
 NACCO Industries, Inc. Cl A..............................     362       20,114
 National City Corp. .....................................  26,040      616,823
 National Semiconductor Corp. ............................   7,244      310,134
 National Service Industries..............................   1,720       50,740
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Navistar International Corp. ............................   2,685 $    127,202
 Network Appliance, Inc. .................................   6,307      523,875
 New Century Energies, Inc. ..............................   4,880      148,230
 New York Times Co. Cl A..................................   7,233      355,321
 Newell Rubbermaid, Inc. .................................  11,912      345,448
 Newmont Mining Corp. ....................................   7,079      173,436
 Nextel Communications, Inc. Cl A.........................  15,349    1,582,866
 Niagara Mohawk Holdings, Inc. ...........................   7,910      110,246
 Nicor, Inc. .............................................   1,991       64,708
 Nike, Inc. Cl B..........................................  11,827      586,176
 Nordstrom, Inc. .........................................   5,852      153,249
 Norfolk Southern Corp. ..................................  16,076      329,558
 Nortel Networks Corp. ...................................  56,409    5,697,309
 Northern States Power Co. ...............................   6,538      127,491
 Northern Trust Corp. ....................................   9,401      498,253
 Northrop Grumman Corp. ..................................   2,931      158,457
 Novell, Inc. ............................................  14,067      561,801
 Nucor Corp. .............................................   3,697      202,642
 Occidental Petroleum Corp. ..............................  15,524      335,707
 Office Depot, Inc. ......................................  13,903      152,064
 Old Kent Financial Corp. ................................   4,972      175,885
 Omnicom Group, Inc. .....................................   7,494      749,400
 Oneok, Inc. .............................................   1,336       33,567
 Oracle Corp. ............................................  60,128    6,738,094
 Owens Corning............................................   2,315       44,708
 Owens-Illinois, Inc. ....................................   6,340      158,896
 Paccar, Inc. ............................................   3,298      146,143
 Pactiv Corp. ............................................   7,237       76,893
 Paine Webber Group, Inc. ................................   6,028      233,962
 Pall Corp. ..............................................   5,253      113,268
 Parametric Technology Corp. .............................  11,372      307,755
 Parker Hannifin Corp. ...................................   4,730      242,708
 Paychex, Inc. ...........................................  10,415      416,600
 PE Corp-PE Biosystems Group..............................   4,358      524,322
 Peco Energy Co. .........................................   7,847      272,683
 Penney (J.C.) Co., Inc. .................................  10,991      219,133
 Peoples Energy Corp. ....................................   1,498       50,183
 Peoplesoft, Inc. ........................................  10,392      221,480
 Pep Boys-Manny, Moe & Jack...............................   2,221       20,267
 PepsiCo, Inc. ...........................................  61,481    2,167,205
 Perkin Elmer, Inc. ......................................   1,936       80,707
 Pfizer, Inc. ............................................ 163,501    5,303,564
 PG & E Corp. ............................................  16,217      332,449
 Pharmacia & Upjohn, Inc. ................................  21,899      985,455
 Phelps Dodge Corp. ......................................   3,421      229,605
 Phillip Morris Cos., Inc. ...............................  99,933    2,317,196
 Phillips Petroleum Co. ..................................  10,697      502,759
 Pinnacle West Capital Corp. .............................   3,579      109,383
 Pitney Bowes, Inc. ......................................  11,203      541,245
 Placer Dome, Inc. .......................................  13,752      147,834
 PNC Bank Corp. ..........................................  12,417      552,557
 Polaroid Corp. ..........................................   1,873       35,236
 Potlatch Corp. ..........................................   1,222       54,532
 PP&L Resources, Inc. ....................................   6,069      138,828
 PPG Industries, Inc. ....................................   7,340      459,209
 Praxair, Inc. ...........................................   6,713      337,748
 Price (T. Rowe) Associates, Inc. ........................   5,053      186,645
 Proctor & Gamble Co. ....................................  55,503    6,081,047
 Progressive Corp. of Ohio................................   3,116      227,858
 Providian Financial Corp. ...............................   5,996      546,011
 Public Svc. Enterprise Group, Inc. ......................   9,232      321,389
 Pulte Corp. .............................................   1,826       41,085
 Quaker Oats Co. .........................................   5,651      370,847
 Qualcomm, Inc. ..........................................  27,868    4,911,735
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       39
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Quintiles Transnational Corp. ...........................   4,855 $     90,728
 Ralston Purina Co. ......................................  13,660      380,773
 Raytheon Co. Cl B........................................  14,293      379,658
 Reebok International Ltd. ...............................   2,357       19,298
 Regions Financial Corp. .................................   9,235      232,029
 Reliant Energy, Inc. ....................................  12,488      285,663
 Republic New York Corp. .................................   4,428      318,816
 Reynolds Metals Co. .....................................   2,655      203,439
 Rite-Aid Corp. ..........................................  10,936      122,347
 Rockwell Intl., Corp. ...................................   8,034      384,628
 Rohm & Haas Co. .........................................   9,244      376,115
 Rowan Cos., Inc. ........................................   3,517       76,275
 Royal Dutch Petroleum Co. N.Y. ..........................  90,563    5,473,401
 Russell Corp. ...........................................   1,408       23,584
 Ryder System, Inc. ......................................   2,712       66,275
 Safeco Corp. ............................................   5,491      136,589
 Safeway, Inc. ...........................................  21,489      764,203
 Sara Lee Corp. ..........................................  38,378      846,715
 SBC Communications, Inc. ................................ 144,078    7,023,803
 Schering-Plough Corp. ...................................  62,046    2,617,566
 Schlumberger, Ltd. ......................................  23,222    1,306,238
 Scientific-Atlanta, Inc. ................................   3,318      184,564
 Scottish Power plc -- ADR................................       *            9
 Seagate Technology.......................................   8,798      409,657
 Seagram Ltd. ............................................  18,309      822,761
 Sealed Air Corp. New.....................................   3,527      182,743
 Sears Roebuck & Co. .....................................  15,963      485,874
 Sempra Energy............................................  10,151      176,374
 Service Corp. International..............................  11,490       79,712
 Shared Medical Systems Corp. ............................   1,128       57,458
 Sherwin-Williams Co. ....................................   7,006      147,126
 Sigma-Aldrich Corp. .....................................   4,261      128,096
 Silicon Graphics, Inc. ..................................   7,763       76,174
 SLM Holding Corp. .......................................   6,719      283,878
 Snap-On, Inc. ...........................................   2,472       65,663
 Solectron Corp. .........................................  12,373    1,176,982
 Southern Co. ............................................  28,428      668,058
 Southtrust Corp. ........................................   7,087      267,977
 Southwest Airlines Co. ..................................  21,305      344,875
 Springs Industries, Inc. ................................     755       30,153
 Sprint Corp. (FON Group).................................  36,805    2,477,437
 Sprint Corp. (PCS Group).................................  18,201    1,865,603
 St. Jude Medical, Inc. ..................................   3,554      109,063
 St. Paul Companies, Inc. ................................   9,598      323,333
 Stanley Works............................................   3,799      114,445
 Staples, Inc. ...........................................  19,616      407,032
 State Street Corp. ......................................   6,757      493,683
 Summit Bancorp...........................................   7,381      226,043
 Sun Microsystems, Inc. ..................................  65,975    5,108,939
 Sunoco, Inc. ............................................   3,811       89,559
 Suntrust Banks, Inc. ....................................  13,514      929,932
 Supervalu, Inc. .........................................   5,896      117,920
 Synovus Financial Corp. .................................  11,817      234,863
 Sysco Corp. .............................................  13,911      550,354
 Tandy Corp. .............................................   8,165      401,616
 Tektronix, Inc. .........................................   1,978       76,895
 Tellabs, Inc. ...........................................  16,990    1,090,546
 Temple-Inland, Inc. .....................................   2,347      154,755
 Tenet Healthcare Corp. ..................................  13,151      309,049
 Teradyne, Inc. ..........................................   7,222      476,652
 Texaco, Inc. ............................................  23,358    1,268,631
 Texas Instruments, Inc. .................................  33,872    3,281,350
</TABLE>
- -------
* Fractional share attributable to Corporate Action.
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Texas Utilities Co. .....................................  11,674 $    415,157
 Textron, Inc. ...........................................   6,282      481,751
 Thermo Electron Corp. ...................................   6,683      100,245
 Thomas & Betts Corp. ....................................   2,442       77,839
 Time Warner, Inc. .......................................  54,336    3,935,964
 Times Mirror Co. ........................................   2,551      170,917
 Timken Co. ..............................................   2,615       53,444
 TJX Companies, Inc. .....................................  13,096      267,650
 Torchmark Corp. .........................................   5,555      161,442
 Tosco Corp. .............................................   6,079      165,273
 Toys R Us, Inc. .........................................  10,338      147,963
 Transocean Sedco Forex, Inc. ............................   4,496      151,452
 Tribune Co. .............................................  10,036      552,607
 Tricon Global Restaurants, Inc. .........................   6,484      250,445
 TRW, Inc. ...............................................   5,136      266,751
 Tupperware Corp. ........................................   2,433       41,209
 Tyco International Ltd. .................................  71,322    2,772,643
 U.S. Bancorp.............................................  30,732      731,806
 U.S. West, Inc. .........................................  21,341    1,536,552
 Unicom Corp. ............................................   9,187      307,765
 Unilever N.V. ...........................................  24,140    1,314,121
 Union Carbide Corp. .....................................   5,653      377,338
 Union Pacific Corp. .....................................  10,498      457,975
 Union Pacific Resources Group, Inc. .....................  10,645      135,724
 Union Planters Corp. ....................................   5,956      234,890
 Unisys Corp. ............................................  13,073      417,519
 United Healthcare Corp. .................................   7,169      380,853
 United Technologies Corp. ...............................  20,219    1,314,235
 Unocal Corp. ............................................  10,238      343,613
 UNUMProvident Corp. .....................................  10,137      325,018
 US Airways Group Inc. ...................................   3,022       96,893
 UST, Inc. ...............................................   7,226      182,005
 USX-Marathon Group.......................................  13,123      323,974
 USX-U.S. Steel Group.....................................   3,729      123,057
 V F Corp. ...............................................   4,989      149,670
 Viacom, Inc. Cl B........................................  29,437    1,779,099
 Vulcan Materials Co. ....................................   4,226      168,776
 W.R. Grace & Co. ........................................   3,004       41,681
 Wachovia Corp. ..........................................   8,563      582,284
 Wal-Mart Stores, Inc. ................................... 187,949   12,991,975
 Walgreen Co. ............................................  42,382    1,239,674
 Warner-Lambert Co. ......................................  36,265    2,971,463
 Washington Mutual, Inc. .................................  24,382      633,932
 Waste Management, Inc. ..................................  26,170      449,797
 Watson Pharmaceuticals, Inc. ............................   4,045      144,862
 Wellpoint Health Networks Inc. ..........................   2,688      177,240
 Wells Fargo & Company....................................  69,362    2,804,826
 Wendy's International, Inc. .............................   5,050      104,156
 Westvaco Corp. ..........................................   4,236      138,200
 Weyerhaeuser Co. ........................................   9,919      712,308
 Whirlpool Corp. .........................................   3,143      204,491
 Willamette Industries, Inc. .............................   4,712      218,814
 Williams Cos., Inc. .....................................  18,361      561,158
 Winn-Dixie Stores, Inc. .................................   6,277      150,256
 Worthington Industries, Inc. ............................   3,764       62,341
 Wrigley (Wm.) Jr. Co. ...................................   4,889      405,481
 Xerox Corp. .............................................  28,055      636,498
 Xilinx, Inc. ............................................  13,506      614,102
 Yahoo!, Inc. ............................................  11,118    4,810,620
                                                                   ------------
Total Indexed Assets--Common Stocks
 (Cost: $214,258,334) 58.7%.......................................  520,124,650
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       40
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                         Rate  Maturity   Amount      Value
                                         ----  -------- ---------- ------------
<S>                                      <C>   <C>      <C>        <C>
INDEXED ASSETS (Continued):
Short-Term Debt Securities:
U.S. Government (0.1%)
 U.S. Treasury Bill (a)................. 5.15% 01/13/00 $1,000,000 $    998,275
                                                                   ------------
Commercial Paper (0.1%)
 UBS Finance (Delw.) Inc. .............. 4.00  01/03/00    560,000      559,876
                                                                   ------------
Total Short-Term Debt Securities
 (Cost: $1,558,151) 0.2%.........................................     1,558,151
                                                                   ------------
Total Indexed Assets
 (Cost: $215,816,485) 58.9%......................................  $521,682,801
                                                                   ------------
</TABLE>

- --------------
FUTURES CONTRACTS OUTSTANDING AS OF DECEMBER 31, 1999:

<TABLE>
<CAPTION>
                          Expiration Underlying Face Unrealized
                             Date    Amount at Value    Gain
                          ---------- --------------- ----------
<S>                       <C>        <C>             <C>
Purchased
 4 S&P 500 Stock Index
  Futures Contracts...... March 2000   $1,484,200     $41,713
                                       ==========     =======
</TABLE>

   The face value of futures purchased and outstanding as percentage of total
                        investment in securities: 0.2%.

- -------
(a) This security has been segregated to cover initial margin requirements on
    open contracts.

   The accompanying notes are an integral part of these financial statements.

                                       41
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

ACTIVE ASSETS:
COMMON STOCKS
Basic Materials (0.8%)
 Cabot Corp. .............................................  50,100 $  1,020,787
 Lone Star Technologies, Inc.*............................  82,600    2,302,475
 Newmont Mining Corp. ....................................  38,500      943,250
 Placer Dome, Inc. .......................................  70,000      752,500
 Praxair, Inc. ...........................................  38,800    1,952,125
                                                                   ------------
                                                                      6,971,137
                                                                   ------------
Consumer, Cyclical (4.9%)
 eBay, Inc.*..............................................  12,261    1,534,924
 Abercrombie & Fitch Co. Cl A*............................  35,151      938,092
 Bed Bath & Beyond, Inc.*.................................  65,477    2,275,326
 BJ Services Co *.........................................  23,065      964,405
 BJ's Wholesale Club, Inc.*...............................  92,990    3,394,135
 CNET, Inc.*..............................................  27,208    1,544,054
 Cox Radio, Inc.*.........................................  16,092    1,605,177
 Dayton-Hudson Corp. .....................................  31,200    2,291,250
 Diedrich Coffee, Inc.*................................... 212,900      864,906
 Ethan Allen Interiors, Inc. .............................  45,521    1,459,517
 Ford Motor Co. ..........................................  18,000      961,875
 Furniture Brands Intl., Inc.*............................  12,150      267,300
 Gannett Co., Inc. .......................................  34,100    2,781,281
 Linens'n Things, Inc.*...................................  52,028    1,541,330
 Mandalay Resort Group....................................  91,000    1,831,375
 Masco Corp. .............................................  89,000    2,258,375
 Meredith Corp. ..........................................  28,800    1,200,600
 Nordstrom, Inc. .........................................  51,900    1,359,131
 Outback Steakhouse, Inc.*................................  55,894    1,449,751
 Skywest, Inc. ...........................................  17,462      488,936
 Telewest Communications plc--ADR*                          39,272    2,169,778
 The Cheesecake Factory, Inc.*............................  33,800    1,183,000
 The Men's Wearhouse, Inc.*...............................  32,600      957,625
 Tiffany & Co. ...........................................  35,808    3,195,864
 TJX Companies............................................  21,900      447,581
 True North Communications, Inc. .........................  23,000    1,027,813
 Young & Rubicam, Inc. ...................................  43,605    3,085,054
                                                                   ------------
                                                                     43,078,455
                                                                   ------------
Consumer, Non-Cyclical (2.8%)
 Albertson's, Inc. .......................................  50,300    1,622,175
 American Home Products Corp. ............................  18,600      733,538
 Baxter International, Inc. ..............................  18,000    1,130,625
 Bestfoods................................................  29,800    1,566,362
 Cardinal Health, Inc. ...................................  27,900    1,335,712
 Cygnus, Inc.*............................................  50,000      912,500
 Diageo plc -- Sponsored ADR..............................  26,000      832,000
 Dura Pharmaceuticals, Inc.*..............................  68,900      960,294
 Enzon, Inc.*.............................................  26,200    1,136,425
 Forest Laboratories, Inc.*...............................  44,172    2,713,817
 Fort James Corp. ........................................  56,000    1,533,000
 IDEC Pharmaceuticals Corp.*..............................   7,288      716,046
 Lilly (Eli) & Co. .......................................  17,500    1,163,750
 Medimmune, Inc.*.........................................  14,206    2,356,420
 Medquist, Inc.*..........................................  14,858      383,522
 Minimed, Inc.*...........................................  29,200    2,138,900
 SangStat Medical Corp.*..................................  36,300    1,079,925
 Sepracor, Inc.*..........................................   9,041      896,754
 US Foodservice*..........................................  55,000      921,250
 Williams-Sonoma, Inc.*...................................  15,544      715,024
                                                                   ------------
                                                                     24,848,039
                                                                   ------------
Energy (2.1%)
 BP Amoco Corp. ..........................................  43,668    2,590,058
 Calpine Corp.*...........................................  50,484    3,230,976
</TABLE>
- -------
* Non-income producing security.
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

ACTIVE ASSETS (Continued):
Energy (Continued)
 Exxon Mobil Corp. .......................................  24,290 $  1,956,863
 Midcoast Energy Res., Inc. ..............................  14,000      234,500
 Nabors Industries, Inc.*.................................  50,100    1,549,969
 Quanta Services, Inc.*...................................  40,100    1,132,825
 Schlumberger, Ltd. ......................................  38,600    2,171,250
 Total Fina S.A...........................................  24,985    1,730,211
 Transocean Sedco Forex, Inc. ............................   7,473      251,745
 USX-Marathon Group.......................................  67,700    1,671,344
 Varco International, Inc.*...............................  70,710      720,358
 Weatherford International, Inc.*.........................  30,100    1,202,119
                                                                   ------------
                                                                     18,442,218
                                                                   ------------
Financial (4.8%)
 American General Corp. ..................................  13,400    1,016,725
 American Int'l. Group, Inc. .............................  37,100    4,011,437
 Arden Realty Group.......................................  66,400    1,332,150
 Bank of America Corp. ...................................  57,063    2,863,849
 Boston Properties, Inc. .................................  30,100      936,863
 Citigroup, Inc. ......................................... 141,150    7,842,647
 Compass Bancshares Inc. .................................  33,800      754,163
 Cullen/Frost Bankers, Inc. ..............................  32,600      839,450
 Equity Res. Pptys. Tr. Co. ..............................  32,600    1,391,613
 Fannie Mae...............................................  28,000    1,748,250
 FleetBoston Financial Corp. .............................  45,200    1,573,525
 HCC Insurance Holdings, Inc. ............................  63,900      842,681
 Heller Financial, Inc. ..................................  65,100    1,306,069
 Kimco Realty Corp. ......................................  33,800    1,144,975
 Mack-Cali Realty Corp. ..................................  46,300    1,206,694
 Morgan Stanley Dean Witter...............................  23,300    3,326,075
 Natl. Commerce Bancorp...................................  33,011      748,937
 Providian Financial Corp. ...............................  21,700    1,976,056
 SL Green Realty Corp. ...................................  76,400    1,661,700
 Spieker Pptys., Inc. ....................................  40,100    1,461,144
 Vornado Rlty. Trust......................................  40,100    1,303,250
 Washington Mutual, Inc. .................................  57,329    1,490,554
 Wells Fargo & Company....................................  36,700    1,484,056
                                                                   ------------
                                                                     42,262,863
                                                                   ------------
Industrial (5.9%)
 Applied Materials, Inc.*.................................  68,700    8,703,431
 Asyst Technologies, Inc.*................................  20,000    1,311,250
 BISYS Group, Inc.*.......................................  28,600    1,866,150
 Caterpillar, Inc. .......................................  25,800    1,214,212
 Citadel Communications, Corp.*...........................  22,652    1,469,548
 Coinstar, Inc.*..........................................  41,657      583,198
 CommScope, Inc.*.........................................  23,500      947,344
 Computer Sciences Corp.*.................................  21,000    1,987,125
 Conexant Systems, Inc.*..................................  43,326    2,875,763
 Covenant Transport, Inc. Cl A*...........................  57,600    1,000,800
 CSG Systems Intl., Inc.*.................................  23,800      949,025
 Dycom Industries, Inc.*..................................  27,000    1,189,687
 Emerson Electric Co. ....................................  17,800    1,021,275
 EOG Resources, Inc. .....................................  35,268      619,394
 FactSet Research Systems, Inc. ..........................  23,624    1,881,061
 Forward Air Corporation*.................................  66,099    2,867,044
 Honeywell International, Inc. ...........................  23,300    1,344,119
 Hooper Holmes, Inc. ..................................... 102,333    2,635,075
 Kent Electronics Corp.*..................................  31,800      723,450
 Kulicke and Soffa Industries, Inc.*......................  27,000    1,149,188
 Mettler-Toledo International, Inc.*......................  27,270    1,041,373
 Official Payments Corp.*.................................  16,000      832,000
 Pittway Corp. ...........................................  11,399      510,818
 PRI Automation, Inc.*....................................  25,263    1,695,779
 Radio One, Inc.*.........................................  16,000    1,472,000
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       42
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

ACTIVE ASSETS (Continued):
Industrial (Continued)
 Salem Communications Corp. Cl A*.........................  21,725 $    491,528
 SDL, Inc.*...............................................   9,250    2,016,500
 Semtech Corp.*...........................................  52,600    2,741,775
 Spartech Corp. ..........................................  43,000    1,386,750
 Swift Transportation Co., Inc.*..........................  56,300      992,288
 U.S. Xpress Enterprises, Inc. Cl A*......................  57,600      424,800
 Williams Cos., Inc. .....................................  61,000    1,864,312
                                                                   ------------
                                                                     51,808,062
                                                                   ------------
Technology (16.2%)
 3Com Corp*...............................................  72,600    3,412,200
 Altera Corp.*............................................  45,342    2,247,263
 ANTEC Corp.*.............................................  34,673    1,265,564
 Applied Micro Circuits, Corp.*...........................  39,824    5,067,604
 ASM Lithography Holding NV*..............................  24,776    2,818,270
 AT&T Corp. ..............................................  37,000    1,877,750
 Atmel Corp.*............................................. 152,400    4,505,325
 ATMI, Inc.*..............................................  34,052    1,125,844
 Aware, Inc.*.............................................  16,398      596,477
 Broadcom Corp.*..........................................   5,959    1,623,083
 Business Objects S.A.-Sp ADR*............................   9,000    1,202,625
 Ciena Corp.*.............................................  55,000    3,162,500
 Cisco Systems, Inc.*..................................... 289,500   31,012,687
 Compaq Computer Corp. ................................... 181,500    4,911,844
 Critical Path, Inc.*.....................................  25,100    2,368,812
 Dallas Semiconductor Corp. ..............................  14,313      922,294
 Digital Island, Inc.*....................................  14,000    1,331,750
 Dionex Corp*.............................................  33,800    1,392,137
 Documentum, Inc.*........................................  12,400      742,450
 E-Speed, Inc. Cl A*......................................  35,000    1,244,687
 Efficient Networks, Inc.*................................  21,400    1,455,200
 Emulex Corp.*............................................  18,000    2,025,000
 Exodus Communications, Inc.*.............................  20,028    1,778,737
 Hewlett-Packard Co. .....................................  12,900    1,469,794
 Intel Corp. ............................................. 106,000    8,725,125
 Intl. Business Machines Corp. ...........................  19,600    2,116,800
 Intuit, Inc.*............................................  83,379    4,997,529
 JDA Software Group, Inc.*................................  85,000    1,391,875
 Lattice Semiconductor Corp.*.............................  24,278    1,144,101
</TABLE>
- -------
* Non-income producing security.
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

ACTIVE ASSETS (Continued):
Technology (Continued)
 Legato Systems, Inc.*....................................  45,100 $  3,103,444
 Linear Technology Corp. ................................. 106,315    7,608,167
 Manugistics Group, Inc.*.................................  37,000    1,195,563
 Maxim Integrated Products, Inc*.......................... 162,400    7,663,250
 McLeod USA, Inc. Cl A*...................................  28,957    1,704,843
 Microchip Technology, Inc.*..............................  35,281    2,414,543
 Microsoft Corp.*.........................................  18,800    2,194,900
 Networks Associates, Inc*................................  58,900    1,571,894
 Novellus Systems, Inc.*..................................  15,000    1,837,970
 Parametric Technology Corp.*............................. 118,000    3,193,375
 Protein Design Labs, Inc.*...............................  11,015      771,050
 Sawtek, Inc.*............................................  19,000    1,264,687
 Varian Semiconductor Equipment Associates, Inc.*.........  35,000    1,190,000
 Vignette Corporation*....................................   9,466    1,542,958
 Vitesse Semiconductor Corp.*.............................  19,173    1,005,384
 Waters Corp.*............................................  22,177    1,175,381
 Xerox Corp...............................................  62,000    1,406,625
 Xilinx, Inc.*............................................ 108,000    4,910,630
                                                                   ------------
                                                                    143,689,991
                                                                   ------------
Utilities (2.0%)
 El Paso Energy Corp. ....................................  34,000    1,319,625
 GTE Corp. ...............................................  28,000    1,975,750
 Illinova Corp. ..........................................  40,100    1,393,475
 ITC DeltaCom, Inc.*......................................  56,418    1,558,547
 Kinder Morgan, Inc. .....................................  60,000    1,211,250
 MCI WorldCom, Inc.*......................................  29,162    1,547,382
 MDU Resources Group......................................  48,800      976,000
 Montana Pwr. Co. ........................................  38,800    1,399,225
 NSTAR....................................................  27,615    1,118,407
 SBC Communications, Inc. ................................  27,400    1,335,750
 SIGCORP, Inc. ...........................................  38,800      882,700
 Time Warner Telecom, Inc. Cl A*..........................  31,000    1,548,062
 Western Wireless Corp. Cl A*.............................  33,800    2,256,150
                                                                   ------------
                                                                     18,522,323
                                                                   ------------
Total Active Assets--Common Stocks
 (Cost: $223,407,634) 39.5%.......................................  349,623,088
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       43
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (ALL AMERICA FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                          Face
                                        Rate  Maturity   Amount      Value
                                        ----  -------- ---------- ------------
<S>                                     <C>   <C>      <C>        <C>
ACTIVE ASSETS (Continued):
Short-Term Debt Securities:
U.S. Government (0.2%)
 U.S. Treasury Bill.................... 5.17% 01/13/00 $1,800,000 $  1,796,888
 U.S. Treasury Bill.................... 5.17  01/13/00    100,000       99,827
                                                                  ------------
                                                                     1,896,715
                                                                  ------------
Commercial Paper (1.4%)
 Abbott Laboratories................... 6.25  01/13/00  1,164,000    1,161,570
 AES Barbers Pt., Inc.................. 6.60  01/12/00  1,000,000      997,981
 Countrywide Credit Industries, Inc.... 5.25  01/07/00    700,000      699,387
 Exxon Asset Management Corp. ......... 6.47  01/06/00  3,000,000    2,997,302
 General Electric Capital Corp. ....... 6.52  01/12/00  4,580,000    4,570,861
 Merrill Lynch & Co., Inc.............. 5.55  01/27/00  1,000,000      995,990
 Toronto Dominion Hldgs, Inc........... 5.94  01/27/00    700,000      696,995
 UBS Finance (Delw.) Inc............... 4.00  01/03/00    110,000      109,976
                                                                  ------------
                                                                    12,230,062
                                                                  ------------
Total Active Assets--Short-Term Debt
 Securities
 (Cost: $14,126,777) 1.6%.......................................    14,126,777
                                                                  ------------
Total Active Assets
 (Cost: $237,534,411) 41.1%.....................................   363,749,865
                                                                  ------------
Total Investments
 (Cost: $453,350,896) 100.0%....................................  $885,432,666
                                                                  ============
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       44
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (EQUITY INDEX FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS
Common Stocks
 3Com Corp. ..............................................  16,269 $    764,643
 Abbott Laboratories......................................  72,488    2,632,221
 Adaptec, Inc. ...........................................   4,815      240,148
 ADC Telecommunications, Inc. ............................   7,054      511,856
 Adobe Systems, Inc. .....................................   5,668      381,173
 Advanced Micro Devices, Inc. ............................   6,941      200,855
 AES Corp. ...............................................   9,731      727,392
 Aetna, Inc. .............................................   7,057      393,869
 Aflac, Inc. .............................................  12,548      592,109
 Air Products & Chemicals, Inc. ..........................  10,812      362,878
 Alberto-Culver Co. Cl B..................................   2,656       68,558
 Albertson's, Inc. .......................................  19,971      644,065
 Alcan Aluminum Ltd. .....................................  10,333      425,590
 ALCOA, Inc. .............................................  17,277    1,433,991
 Allegheny Technologies, Inc. ............................   4,411       98,972
 Allergan, Inc. ..........................................   6,200      308,450
 Allied Waste Industries, Inc. ...........................   8,905       78,475
 Allstate Corp. ..........................................  37,976      911,424
 Alltel Corp. ............................................  14,803    1,224,023
 Alza Corp. ..............................................   4,837      167,481
 Amerada Hess Corp .......................................   4,276      242,663
 Ameren Corp. ............................................   6,470      211,893
 America Online, Inc. .................................... 105,408    7,951,716
 American Electric Power, Inc. ...........................   9,152      294,008
 American Express Co. ....................................  21,109    3,509,371
 American General Corp. ..................................  11,652      884,096
 American Greetings Corp. Cl A............................   3,042       71,867
 American Home Products Corp. ............................  61,568    2,428,088
 American Int'l. Group, Inc. .............................  73,003    7,893,449
 Amgen, Inc. .............................................  48,167    2,893,030
 AMR Corp, ...............................................   6,982      467,794
 Amsouth Bancorporation...................................  18,441      356,142
 Anadarko Petroleum Corp. ................................   6,013      205,194
 Analog Devices, Inc. ....................................   8,245      766,785
 Andrew Corp. ............................................   3,869       73,269
 Anheuser-Busch Cos., Inc. ...............................  21,939    1,554,927
 Aon Corp. ...............................................  12,101      484,040
 Apache Corp. ............................................   5,379      198,687
 Apple Computer, Inc. ....................................   7,586      779,936
 Applied Materials, Inc. .................................  17,843    2,260,485
 Archer-Daniels-Midland Co. ..............................  28,686      349,611
 Armstrong World Inds., Inc. .............................   1,907       63,646
 Ashland, Inc. ...........................................   3,403      112,086
 Associates First Capital Corp. Cl A......................  34,338      942,149
 AT&T Corp. .............................................. 150,668    7,646,401
 Atlantic Richfield Co. ..................................  15,218    1,316,357
 Autodesk, Inc. ..........................................   2,876       97,065
 Automatic Data Processing, Inc. .........................  29,475    1,587,966
 AutoZone, Inc. ..........................................   6,807      219,951
 Avery Dennison Corp. ....................................   5,313      387,185
 Avon Products, Inc. .....................................  11,425      377,025
 Baker Hughes, Inc. ......................................  15,523      326,953
 Ball Corp. ..............................................   1,448       57,015
 Bank of America Corp. ...................................  80,498    4,039,993
 Bank of New York, Inc. ..................................  34,723    1,388,920
 Bank One Corp. ..........................................  54,078    1,733,876
 Bard (C.R.), Inc. .......................................   2,439      129,267
 Barrick Gold Corp. ......................................  18,565      328,368
 Bausch & Lomb, Inc. .....................................   2,734      187,108
 Baxter International, Inc. ..............................  13,718      861,662
 BB & T Corp. ............................................  15,606      427,214
 Bear Stearns Cos., Inc. .................................   5,619      240,212
 Becton Dickinson & Co. ..................................  11,803      315,730
 Bed Bath & Beyond, Inc. .................................   6,594      229,142
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Bell Atlantic Corp. .....................................  73,217 $  4,507,422
 BellSouth Corp. .........................................  88,756    4,154,890
 Bemis, Inc. .............................................   2,490       86,839
 Best Buy, Inc. ..........................................   9,702      486,919
 Bestfoods................................................  13,152      691,302
 Bethlehem Steel Corp. ...................................   6,184       51,791
 Biomet, Inc. ............................................   5,320      212,800
 Black & Decker Corp. ....................................   4,096      214,016
 Block (H. & R.), Inc. ...................................   4,615      201,906
 BMC Software, Inc. ......................................  11,427      913,446
 Boeing Co. ..............................................  44,066    1,831,493
 Boise Cascade Corp. .....................................   2,717      110,039
 Boston Scientific Corp. .................................  19,554      427,744
 Briggs & Stratton Corp. .................................   1,109       59,470
 Bristol-Myers Squibb Co. ................................  93,536    6,003,842
 Brown-Forman Corp. Cl B..................................   3,230      184,918
 Brunswick Corp. .........................................   4,330       96,343
 Burlington Northern Santa Fe Corp. ......................  21,546      522,491
 Burlington Resources, Inc. ..............................  10,255      339,056
 Cabletron Systems, Inc. .................................   8,514      221,364
 Campbell Soup Co. .......................................  20,173      780,443
 Capital One Financial Corp. .............................   9,297      447,999
 Cardinal Health, Inc. ...................................  13,214      632,620
 Carnival Corp. ..........................................  29,089    1,390,818
 Carolina Power & Light Co. ..............................   7,525      229,042
 Caterpillar, Inc. .......................................  16,765      789,003
 CBS Corp. ...............................................  35,949    2,298,489
 Cendant Corp. ...........................................  33,526      890,534
 Centex Corp. ............................................   2,795       69,002
 Central & South West Corp. ..............................  10,027      200,540
 CenturyTel, Inc. ........................................   6,586      312,012
 Ceridian Corp. ..........................................   6,820      147,056
 Champion International Corp. ............................   4,536      280,949
 Charles Schwab Corp. ....................................  38,663    1,483,693
 Chase Manhattan Corp. ...................................  38,890    3,021,267
 Chevron Corp. ...........................................  30,944    2,680,524
 Chubb Corp. .............................................   8,296      467,169
 CIGNA Corp. .............................................   8,768      706,372
 Cincinnati Financial Corp. ..............................   7,738      241,329
 CINergy Corp. ...........................................   7,493      180,769
 Circuit City Group, Inc. ................................   9,565      431,023
 Cisco Systems, Inc. ..................................... 154,235   16,522,424
 Citigroup, Inc. ......................................... 158,982    8,833,438
 Citrix Systems, Inc. ....................................   4,225      519,675
 Clear Channel Communications, Inc. ......................  15,961    1,424,519
 Clorox Co. ..............................................  11,147      561,530
 CMS Energy Corp. ........................................   5,460      170,284
 Coastal Corp. ...........................................  10,072      356,927
 Coca-Cola Co. ........................................... 116,465    6,784,086
 Coca-Cola Enterprises, Inc. .............................  20,062      403,748
 Colgate-Palmolive Co. ...................................  27,470    1,785,550
 Columbia Energy Group....................................   3,832      242,374
 Columbia/HCA Healthcare Corp. ...........................  26,560      778,540
 Comcast Corp. Cl A.......................................  35,444    1,792,137
 Comerica, Inc. ..........................................   7,374      344,274
 Compaq Computer Corp. ...................................  80,159    2,169,303
 Computer Associates Intl., Inc. .........................  25,416    1,777,532
 Computer Sciences Corp. .................................   7,850      742,806
 Compuware Corp. .........................................  16,873      628,519
 Comverse Technology Inc. ................................   3,335      482,741
 Conagra, Inc. ...........................................  23,211      523,698
 Conoco, Inc. ............................................  29,529      734,534
 Conseco, Inc. ...........................................  15,424      275,704
 Consolidated Edison, Inc. ...............................  10,422      359,559
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       45
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Consolidated Natural Gas Co. ............................   4,523 $    293,712
 Consolidated Stores Corp. ...............................   5,243       85,199
 Constellation Energy Group, Inc. ........................   7,052      204,508
 Cooper Industries, Inc. .................................   4,440      179,543
 Cooper Tire & Rubber Co. ................................   3,576       55,652
 Coors (Adolph) Co. Cl B..................................   1,752       91,980
 Corning, Inc. ...........................................  11,542    1,488,197
 Costco Wholesale Corp. ..................................  10,460      954,475
 Countrywide Credit Industries, Inc. .....................   5,336      134,734
 Crane Co. ...............................................   3,107       61,752
 Crown Cork & Seal, Inc. .................................   5,746      128,567
 CSX Corp. ...............................................  10,295      323,006
 Cummins Engine Co., Inc. ................................   1,952       94,306
 CVS Corp. ...............................................  18,478      737,965
 Dana Corp. ..............................................   7,757      232,225
 Danaher Corp. ...........................................   6,712      323,854
 Darden Restaurants, Inc. ................................   6,197      112,321
 Dayton-Hudson Corp. .....................................  20,778    1,525,884
 Deere & Co. .............................................  11,019      477,949
 Dell Computer Corp. ..................................... 119,808    6,110,208
 Delphi Automotive Systems Corp. .........................  26,641      419,596
 Delta Air Lines, Inc. ...................................   6,265      312,075
 Deluxe Corp. ............................................   3,461       94,961
 Dillard's Inc. Cl A......................................   5,090      102,754
 Disney (Walt) Co. .......................................  97,243    2,844,358
 Dollar General Corp. ....................................  12,542      285,331
 Dominion Resources, Inc. ................................   8,997      353,132
 Donnelley (R.R.) & Sons Co. .............................   5,962      147,932
 Dover Corp. .............................................   9,602      435,691
 Dow Chemical Co. ........................................  10,340    1,381,683
 Dow Jones & Co., Inc. ...................................   4,219      286,892
 DTE Energy Co. ..........................................   6,839      214,574
 Du Pont (E.I.) de Nemours & Co. .........................  49,253    3,244,525
 Duke Energy Corp. .......................................  17,243      864,305
 Dun & Bradstreet Corp. ..................................   7,586      223,787
 Eastern Enterprises......................................   1,278       73,405
 Eastman Chemical Co. ....................................   3,689      175,919
 Eastman Kodak Co. .......................................  14,881      985,866
 Eaton Corp. .............................................   3,470      252,009
 Ecolab, Inc. ............................................   6,110      239,054
 Edison International.....................................  16,372      428,742
 El Paso Energy Corp. ....................................  10,766      417,855
 Electronic Data Systems Corp. ...........................  22,198    1,485,879
 EMC Corp. ...............................................  47,979    5,241,699
 Emerson Electric Co. ....................................  20,488    1,175,499
 Engelhard Corp. .........................................   5,934      112,004
 Enron Corp. .............................................  33,743    1,497,346
 Entergy Corp. ...........................................  11,639      299,704
 Equifax, Inc. ...........................................   6,669      157,138
 Exxon Mobil Corp. ....................................... 162,843   13,119,039
 Fannie Mae...............................................  48,331    3,017,667
 FDX Corp. ...............................................  14,078      576,318
 Federated Department Stores, Inc. .......................   9,899      500,518
 Fifth Third Bancorp......................................  14,556    1,068,047
 First Data Corp. ........................................  19,760      974,415
 First Union Corp. .......................................  46,574    1,528,209
 Firstar Corp. ...........................................  46,219      976,372
 FirstEnergy Corp. .......................................  10,988      249,290
 FleetBoston Financial Corp. .............................  43,171    1,502,891
 Fleetwood Enterprises, Inc. .............................   1,540       31,763
 Florida Progress Corp. ..................................   4,630      195,907
 Fluor Corp. .............................................   3,609      165,563
 FMC Corp. ...............................................   1,442       82,645
 Ford Motor Co. ..........................................  56,954    3,043,479
 Fort James Corp. ........................................  10,202      279,280
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Fortune Brands, Inc. ....................................   7,737 $    255,805
 Foster Wheeler Corp. ....................................   1,939       17,209
 FPL Group, Inc. .........................................   8,452      361,851
 Franklin Resources, Inc. ................................  11,889      381,191
 Freddie Mac..............................................  32,779    1,542,662
 Freeport-McMoran Copper & Gold, Inc. Cl B................   7,709      162,853
 Gannett Co., Inc. .......................................  13,145    1,072,139
 Gap, Inc. ...............................................  40,372    1,857,112
 Gateway, Inc. ...........................................  14,911    1,074,524
 General Dynamics Corp. ..................................   9,484      500,281
 General Electric Co ..................................... 154,706   23,940,754
 General Instrument Corp .................................   8,206      697,510
 General Mills, Inc. .....................................  14,327      512,190
 General Motors Corp. ....................................  30,187    2,194,218
 Genuine Parts Co. .......................................   8,384      208,028
 Georgia-Pacific Group....................................   8,062      409,147
 Gillette Co. ............................................  50,578    2,083,181
 Global Crossing Ltd. ....................................  35,783    1,789,150
 Golden West Financial Corp. .............................   7,620      255,270
 Goodrich (B.F.) Co. .....................................   5,194      142,835
 Goodyear Tire & Rubber Co. ..............................   7,371      207,770
 GPU, Inc. ...............................................   5,820      174,236
 Grainger (W.W.), Inc. ...................................   4,403      210,518
 Great Atlantic & Pac. Tea, Inc. .........................   1,825       50,872
 Great Lakes Chemical Corp. ..............................   2,712      103,565
 GTE Corp. ...............................................  45,822    3,233,315
 Guidant Corp. ...........................................  14,493      681,171
 Halliburton Holdings Co. ................................  20,830      838,408
 Harcourt General, Inc. ..................................   3,355      135,039
 Harrah's Entertainment, Inc. ............................   6,063      160,291
 Hartford Financial Svs Gp, Inc ..........................  10,450      495,069
 Hasbro, Inc. ............................................   9,136      174,155
 HealthSouth Corp. .......................................  18,213       97,895
 Heinz (H.J.) Co. ........................................  16,898      672,752
 Helmerich & Payne, Inc. .................................   2,356       51,390
 Hercules, Inc. ..........................................   5,013      139,737
 Hershey Food Corp. ......................................   6,525      309,938
 Hewlett-Packard Co. .....................................  48,048    5,474,469
 Hilton Hotels Corp. .....................................  17,391      167,388
 Home Depot, Inc. ........................................ 108,561    7,443,214
 Homestake Mining Co. ....................................  12,272       95,875
 Honeywell International, Inc. ...........................  37,326    2,153,244
 Household International Corp. ...........................  22,168      825,758
 Humana, Inc. ............................................   7,899       64,673
 Huntington Bancshares, Inc. .............................  10,834      258,662
 Ikon Office Solutions, Inc. .............................   7,032       47,906
 Illinois Tool Works, Inc. ...............................  14,168      957,226
 IMS Health, Inc. ........................................  14,519      394,735
 Inco Ltd. ...............................................   9,051      212,699
 Ingersoll Rand Co. ......................................   7,713      424,697
 Intel Corp. ............................................. 157,536   12,967,182
 International. Business Machines Corp.                     84,997    9,179,676
 International. Flavors & Fragrances, Inc. ...............   4,956      187,089
 International Paper Co. .................................  19,525    1,101,942
 Interpublic Group of Cos., Inc. .........................  13,233      763,379
 ITT Industries, Inc. ....................................   4,145      138,598
 Jefferson-Pilot Corp. ...................................   4,938      337,019
 Johnson & Johnson........................................  65,568    6,106,020
 Johnson Controls, Inc. ..................................   4,023      228,808
 Jostens, Inc. ...........................................   1,573       38,244
 Kansas City Southern Inds. ..............................   5,211      388,871
 Kaufman & Broad Home Corp. ..............................   2,249       54,398
 Kellogg Co. .............................................  19,116      589,012
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       46
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Kerr-McGee Corp. ........................................   4,077 $    252,774
 KeyCorp .................................................  21,091      466,638
 Kimberly Clark Corp. ....................................  25,667    1,674,772
 KLA Tencor Corp. ........................................   4,241      472,341
 Kmart Corp. .............................................  23,279      234,245
 Knight-Ridder, Inc. .....................................   3,958      235,501
 Kohl's Corp. ............................................   7,683      554,617
 Kroger Co. ..............................................  39,230      740,466
 Legget & Platt, Inc. ....................................   9,255      198,404
 Lehman Brothers Holdings, Inc. ..........................   5,659      479,247
 Lexmark Intl Group Inc. Cl A.............................   6,023      545,082
 Lilly (Eli) & Co. .......................................  51,421    3,419,497
 Limited, Inc. ...........................................  10,124      438,496
 Lincoln National Corp. ..................................   9,217      368,680
 Liz Claiborne, Inc. .....................................   2,787      104,861
 Lockheed Martin Corp. ...................................  18,670      408,406
 Loews Corp. .............................................   5,000      303,438
 Longs Drug Stores Corp. .................................   1,869       48,244
 Louisiana-Pacific Corp. .................................   5,019       71,521
 Lowe's Companies, Inc. ..................................  18,019    1,076,635
 LSI Logic Corp. .........................................   7,017      473,648
 Lucent Technologies, Inc. ............................... 147,732   11,052,200
 Mallinckrodt, Inc. ......................................   3,281      104,377
 Manor Care, Inc. ........................................   4,859       77,744
 Marriott International, Inc Cl A.........................  11,731      370,260
 Marsh & McLennan Cos., Inc. .............................  12,571    1,202,888
 Masco Corp. .............................................  21,087      535,083
 Mattel, Inc. ............................................  19,841      260,413
 May Department Stores Co. ...............................  15,756      508,131
 Maytag Corp. ............................................   3,981      191,088
 MBIA, Inc. ..............................................   4,695      247,955
 MBNA Corp. ..............................................  37,806    1,030,214
 McDermott International, Inc. ...........................   2,825       25,602
 McDonald's Corp. ........................................  63,845    2,573,752
 McGraw-Hill Cos., Inc. ..................................   9,247      569,846
 MCI WorldCom, Inc. ...................................... 133,834    7,101,593
 McKesson HBOC, Inc. .....................................  13,278      299,585
 Mead Corp. ..............................................   4,840      210,238
 MediaOne Group, Inc. ....................................  28,856    2,216,502
 Medtronic, Inc. .........................................  56,360    2,053,618
 Mellon Financial Corp. ..................................  23,984      816,955
 Merck & Co., Inc. ....................................... 110,215    7,391,293
 Meredith Corp. ..........................................   2,434      101,467
 Merrill Lynch & Co., Inc. ...............................  17,478    1,459,413
 MGIC Investment Corp. ...................................   4,984      299,975
 Micron Technology, Inc. .................................  12,724      989,291
 Microsoft Corp. ......................................... 243,307   28,406,064
 Milacron, Inc. ..........................................   1,762       27,091
 Millipore Corp. .........................................   2,143       82,773
 Minnesota Mining & Mfg. Co. .............................  18,924    1,852,187
 Mirage Resorts, Inc. ....................................   9,110      139,497
 Molex Inc. ..............................................   7,393      419,091
 Monsanto Co. ............................................  29,923    1,066,007
 Morgan (J.P.) & Co., Inc. ...............................   8,164    1,033,767
 Morgan Stanley Dean Witter...............................  26,262    3,748,901
 Motorola, Inc. ..........................................  28,720    4,229,020
 Nabisco Group Holdings Corp. ............................  15,379      163,402
 NACCO Industries, Inc. Cl A..............................     388       21,558
 National City Corp. .....................................  29,072      688,643
 National Semiconductor Corp. ............................   8,088      346,268
 National Service Industries..............................   1,925       56,788
 Navistar International Corp .............................   2,998      142,030
 Network Appliance, Inc. .................................   7,042      584,926
 New Century Energies, Inc. ..............................   5,448      165,483
 New York Times Co. Cl A..................................   8,075      396,684
</TABLE>
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Newell Rubbermaid, Inc. .................................  13,299 $    385,671
 Newmont Mining Corp. ....................................   7,903      193,624
 Nextel Communications, Inc. Cl A.........................  17,136    1,767,150
 Niagara Mohawk Holdings, Inc. ...........................   8,831      123,082
 Nicor, Inc. .............................................   2,245       72,963
 Nike, Inc. Cl B..........................................  13,205      654,473
 Nordstrom, Inc. .........................................   6,533      171,083
 Norfolk Southern Corp. ..................................  17,947      367,914
 Nortel Networks Corp. ...................................  62,977    6,360,677
 Northern States Power Co. ...............................   7,299      142,331
 Northern Trust Corp. ....................................  10,496      556,288
 Northrop Grumman Corp. ..................................   3,305      178,677
 Novell, Inc. ............................................  15,705      627,218
 Nucor Corp. .............................................   4,112      225,389
 Occidental Petroleum Corp. ..............................  17,332      374,804
 Office Depot, Inc. ......................................  15,522      169,772
 Old Kent Financial Corp. ................................   5,551      196,367
 Omnicom Group, Inc. .....................................   8,367      836,700
 Oneok, Inc. .............................................   1,506       37,838
 Oracle Corp. ............................................  67,129    7,522,644
 Owens Corning............................................   2,610       50,406
 Owens-Illinois, Inc. ....................................   7,079      177,417
 Paccar, Inc. ............................................   3,693      163,646
 Pactiv Corp. ............................................   8,080       85,850
 Paine Webber Group, Inc. ................................   6,729      261,169
 Pall Corp. ..............................................   5,855      126,248
 Parametric Technology Corp. .............................  12,696      343,586
 Parker Hannifin Corp. ...................................   5,281      270,981
 Paychex, Inc. ...........................................  11,627      465,080
 PE Corp-PE Biosystems Group..............................   4,856      584,238
 Peco Energy Co. .........................................   8,760      304,410
 Penney (J.C.) Co., Inc. .................................  12,270      244,633
 Peoples Energy Corp. ....................................   1,689       56,582
 Peoplesoft, Inc. ........................................  11,580      246,799
 Pep Boys-Manny, Moe & Jack...............................   2,510       22,904
 PepsiCo, Inc. ...........................................  68,639    2,419,525
 Perkin Elmer, Inc. ......................................   2,183       91,004
 Pfizer, Inc. ............................................ 182,539    5,921,109
 PG & E Corp. ............................................  18,106      371,173
 Pharmacia & Upjohn, Inc. ................................  24,448    1,100,160
 Phelps Dodge Corp. ......................................   3,818      256,310
 Phillip Morris Cos., Inc. ............................... 111,569    2,587,006
 Phillips Petroleum Co. ..................................  11,943      561,321
 Pinnacle West Capital Corp. .............................   3,996      122,128
 Pitney Bowes, Inc. ......................................  12,507      604,244
 Placer Dome, Inc. .......................................  15,353      165,045
 PNC Bank Corp. ..........................................  13,863      616,904
 Polaroid Corp. ..........................................   2,112       39,732
 Potlatch Corp. ..........................................   1,378       61,493
 PP&L Resources, Inc. ....................................   6,775      154,978
 PPG Industries, Inc. ....................................   8,195      512,700
 Praxair, Inc. ...........................................   7,495      377,092
 Price (T. Rowe) Associates, Inc. ........................   5,642      208,401
 Proctor & Gamble Co. ....................................  61,966    6,789,150
 Progressive Corp. of Ohio................................   3,473      253,963
 Providian Financial Corp. ...............................   6,694      609,572
 Public Svc. Enterprise Group, Inc. ......................  10,307      358,812
 Pulte Corp. .............................................   2,059       46,328
 Quaker Oats Co. .........................................   6,309      414,028
 Qualcomm, Inc. ..........................................  31,112    5,483,490
 Quintiles Transnational Corp. ...........................   5,420      101,286
 Ralston Purina Co. ......................................  15,250      425,094
 Raytheon Co. Cl B........................................  15,957      423,858
 Reebok International Ltd. ...............................   2,671       21,869
 Regions Financial Corp. .................................  10,310      259,039
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       47
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Reliant Energy, Inc. ....................................  13,942 $    318,923
 Republic New York Corp. .................................   4,939      355,608
 Reynolds Metals Co. .....................................   2,994      229,415
 Rite-Aid Corp. ..........................................  12,209      136,588
 Rockwell Intl., Corp. ...................................   8,969      429,391
 Rohm & Haas Co. .........................................  10,321      419,936
 Rowan Cos., Inc. ........................................   3,926       85,145
 Royal Dutch Petroleum Co. N.Y. .......................... 101,108    6,110,715
 Russell Corp. ...........................................   1,587       26,582
 Ryder System, Inc. ......................................   3,028       73,997
 Safeco Corp. ............................................   6,130      152,484
 Safeway, Inc. ...........................................  23,991      853,180
 Sara Lee Corp. ..........................................  42,847      945,312
 SBC Communications, Inc. ................................ 160,854    7,841,633
 Schering-Plough Corp. ...................................  69,270    2,922,328
 Schlumberger, Ltd. ......................................  25,926    1,458,338
 Scientific-Atlanta, Inc. ................................   3,704      206,035
 Scottish Power plc--ADR..................................       *           25
 Seagate Technology.......................................   9,822      457,337
 Seagram Ltd. ............................................  20,441      918,567
 Sealed Air Corp. New.....................................   3,938      204,038
 Sears Roebuck & Co. .....................................  17,821      542,427
 Sempra Energy............................................  11,333      196,911
 Service Corp. International..............................  12,828       88,994
 Shared Medical Systems Corp. ............................   1,272       64,793
 Sherwin-Williams Co. ....................................   7,821      164,241
 Sigma-Aldrich Corp. .....................................   4,757      143,007
 Silicon Graphics, Inc. ..................................   8,667       85,045
 SLM Holding Corp. .......................................   7,501      316,917
 Snap-On, Inc. ...........................................   2,759       73,286
 Solectron Corp. .........................................  13,813    1,313,962
 Southern Co. ............................................  31,738      745,843
 Southtrust Corp. ........................................   7,912      299,173
 Southwest Airlines Co. ..................................  23,785      385,020
 Springs Industries, Inc. ................................     851       33,987
 Sprint Corp. (FON Group).................................  41,090    2,765,871
 Sprint Corp. (PCS Group).................................  20,320    2,082,800
 St. Jude Medical, Inc. ..................................   3,968      121,768
 St. Paul Companies, Inc. ................................  10,716      360,995
 Stanley Works............................................   4,233      127,519
 Staples, Inc. ...........................................  21,900      454,425
 State Street Corp. ......................................   7,543      551,110
 Summit Bancorp...........................................   8,241      252,381
 Sun Microsystems, Inc. ..................................  73,657    5,703,814
 Sunoco, Inc. ............................................   4,254       99,969
 Suntrust Banks, Inc. ....................................  15,087    1,038,174
 Supervalu, Inc. .........................................   6,612      132,240
 Synovus Financial Corp. .................................  13,193      262,211
 Sysco Corp. .............................................  15,531      614,445
 Tandy Corp. .............................................   9,115      448,344
 Tektronix, Inc. .........................................   2,231       86,730
 Tellabs, Inc. ...........................................  18,968    1,217,509
 Temple-Inland, Inc. .....................................   2,658      175,262
 Tenet Healthcare Corp. ..................................  14,682      345,027
 Teradyne, Inc. ..........................................   8,063      532,158
 Texaco, Inc. ............................................  26,078    1,416,361
 Texas Instruments, Inc. .................................  37,816    3,663,425
 Texas Utilities Co. .....................................  13,033      463,486
 Textron, Inc. ...........................................   7,013      537,809
</TABLE>
- -------
* Fractional share attributable to Corporate Action.
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Thermo Electron Corp. ...................................   7,461 $    111,915
 Thomas & Betts Corp. ....................................   2,709       86,349
 Time Warner, Inc. .......................................  60,662    4,394,204
 Times Mirror Co. ........................................   2,849      190,883
 Timken Co. ..............................................   2,948       60,250
 TJX Companies, Inc. .....................................  14,621      298,817
 Torchmark Corp. .........................................   6,202      180,246
 Tosco Corp. .............................................   6,787      184,522
 Toys R Us, Inc. .........................................  11,542      165,195
 Transocean Sedco Forex, Inc. ............................   5,019      169,087
 Tribune Co. .............................................  11,205      616,975
 Tricon Global Restaurants Inc. ..........................   7,239      279,606
 TRW, Inc. ...............................................   5,734      297,810
 Tupperware Corp. ........................................   2,743       46,460
 Tyco International Ltd. .................................  79,626    3,095,461
 U.S. Bancorp.............................................  34,310      817,007
 U.S. West, Inc. .........................................  23,826    1,715,472
 Unicom Corp. ............................................  10,256      343,576
 Unilever N.V. ...........................................  26,951    1,467,145
 Union Carbide Corp. .....................................   6,340      423,195
 Union Pacific Corp. .....................................  11,721      511,329
 Union Pacific Resources Group, Inc. .....................  11,885      151,534
 Union Planters Corp. ....................................   6,650      262,259
 Unisys Corp .............................................  14,613      466,703
 United Healthcare Corp. .................................   8,004      425,213
 United Technologies Corp. ...............................  22,574    1,467,310
 Unocal Corp. ............................................  11,431      383,653
 UNUMProvident Corp. .....................................  11,318      362,883
 US Airways Group Inc. ...................................   3,369      108,019
 UST, Inc. ...............................................   8,067      203,188
 USX-Marathon Group.......................................  14,651      361,697
 USX-U.S. Steel Group.....................................   4,168      137,544
 V F Corp. ...............................................   5,570      167,100
 Viacom, Inc. Cl B........................................  32,864    1,986,218
 Vulcan Materials Co. ....................................   4,718      188,425
 W.R. Grace & Co. ........................................   3,388       47,009
 Wachovia Corp. ..........................................   9,560      650,080
 Wal-Mart Stores, Inc. ................................... 209,834   14,504,775
 Walgreen Co. ............................................  47,317    1,384,022
 Warner-Lambert Co. ......................................  40,488    3,317,486
 Washington Mutual, Inc. .................................  27,221      707,746
 Waste Management, Inc. ..................................  29,217      502,167
 Watson Pharmaceuticals, Inc. ............................   4,526      162,087
 Wellpoint Health Networks Inc. ..........................   3,001      197,878
 Wells Fargo & Company....................................  77,438    3,131,399
 Wendy's International, Inc. .............................   5,638      116,284
 Westvaco Corp. ..........................................   4,730      154,316
 Weyerhaeuser Co. ........................................  11,074      795,252
 Whirlpool Corp. .........................................   3,509      228,304
 Willamette Industries, Inc. .............................   5,260      244,261
 Williams Cos., Inc. .....................................  20,499      626,501
 Winn-Dixie Stores, Inc. .................................   7,008      167,754
 Worthington Industries, Inc. ............................   4,202       69,596
 Wrigley (Wm.) Jr. Co. ...................................   5,459      452,756
 Xerox Corp. .............................................  31,321      710,595
 Xilinx, Inc. ............................................  15,082      685,760
 Yahoo!, Inc. ............................................  12,412    5,370,517
                                                                   ------------
Total Indexed Assets--Common Stocks
 (Cost: $378,405,133) 99.7%.......................................  580,708,546
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       48
<PAGE>

          MUTUAL OF AMERICA INVESTMENT CORPORATION (EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                          Rate  Maturity  Amount      Value
                                          ----  -------- --------- ------------
<S>                                       <C>   <C>      <C>       <C>
SHORT-TERM DEBT SECURITIES:
U.S. Government (0.1%)
 U.S. Treasury Bill (a).................. 5.13% 01/20/00 $ 500,000 $    498,642
 U.S. Treasury Bill (a).................. 5.14  01/20/00   200,000      199,453
                                                                   ------------
                                                                        698,095
                                                                   ------------
Commercial Paper (0.2%)
 UBS Finance (Delw.) Inc. ............... 4.00  01/03/00 1,338,000    1,337,703
                                                                   ------------
Total Short-Term Debt Securities
 (Cost: $2,035,798) 0.3%.........................................     2,035,798
                                                                   ------------
Total Investments
 (Cost: $380,440,931) 100.0%.....................................  $582,744,344
                                                                   ============
</TABLE>

- --------------
FUTURES CONTRACTS OUTSTANDING AS OF DECEMBER 31, 1999:

<TABLE>
<CAPTION>
                          Expiration Underlying Face Unrealized
                             Date    Amount at Value    Gain
                          ---------- --------------- ----------
<S>                       <C>        <C>             <C>
Purchased
 5 S&P 500 Stock Index
  Futures Contracts...... March 2000   $1,855,250     $53,550
                                       ==========     =======
</TABLE>

    The face value of futures purchased and outstanding as percentage of
    total investment in securities : 0.3%.
- -------
(a) This security has been segregated to cover initial margin requirements on
    open contracts.

   The accompanying notes are an integral part of these financial statements.

                                       49
<PAGE>

      MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-CAP EQUITY INDEX FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS
Common Stocks
 A. Schulman, Inc. .........................................  1,083 $    17,666
 Abercrombie & Fitch Co. Cl A...............................  3,591      95,835
 ACNielsen Corp. ...........................................  2,018      49,693
 Acuson Corp. ..............................................    932      11,708
 Acxiom Corp. ..............................................  2,949      70,776
 Adtran, Inc. ..............................................  1,371      70,521
 Affiliated Computer Svcs. Cl A.............................  1,711      78,706
 AGCO Corp. ................................................  2,070      27,816
 AGL Resources, Inc. .......................................  1,979      33,643
 Airborne Freight Corp. ....................................  1,691      37,202
 Airgas, Inc. ..............................................  2,461      23,380
 AK Steel Holding Corp. ....................................  3,570      67,384
 Alaska Air Group, Inc. ....................................    917      32,210
 Albany International Corp. Cl A............................  1,056      16,363
 Albemarle Corp. ...........................................  1,636      31,391
 Alexander & Baldwin, Inc. .................................  1,506      34,356
 Allamerica Financial Corp. ................................  1,885     104,853
 Allegheny Energy, Inc. ....................................  3,826     103,063
 Alliant Energy Corp. ......................................  2,728      75,020
 Altera Corp. ..............................................  6,915     342,725
 Ambac Financial Group, Inc. ...............................  2,431     126,868
 American Eagle Outfitters..................................  1,618      72,810
 American Financial Group...................................  2,023      53,357
 American Power Conversion..................................  6,683     176,264
 American Standard Cos., Inc. ..............................  2,459     112,807
 American Water Works Inc. .................................  3,359      71,379
 Ametek, Inc. ..............................................  1,128      21,502
 Apollo Group, Inc. Cl A....................................  2,687      53,908
 Apria Healthcare Group, Inc. ..............................  1,809      32,449
 Arnold Industries, Inc. ...................................    865      12,164
 Arrow Electronics, Inc. ...................................  3,336      84,651
 Arvin Industries, Inc. ....................................    898      25,481
 Associated Banc-Corp. .....................................  2,199      75,316
 Astoria Financial Corp. ...................................  1,905      57,983
 Atmel Corp. ...............................................  6,970     206,051
 Avnet, Inc. ...............................................  1,460      88,330
 Bandag, Inc. ..............................................    762      19,050
 Banta Corp. ...............................................    945      21,322
 Barnes & Noble, Inc. ......................................  2,411      49,727
 Beckman Coulter, Inc. .....................................    998      50,773
 Belo (A.H.) Corp. Cl A.....................................  4,115      78,442
 Bergen Brunswig Corp. Cl A.................................  4,667      38,794
 Beverly Enterprises, Inc. .................................  3,564      15,592
 Biogen, Inc. ..............................................  5,227     441,681
 BJ Services Co. ...........................................  2,464     103,026
 BJ's Wholesale Club, Inc. .................................  2,562      93,513
 Black Hills Corp. .........................................    756      16,774
 Blyth Industries, Inc. ....................................  1,686      41,412
 Bob Evans Farms, Inc. .....................................  1,379      21,288
 Borders Group, Inc. .......................................  2,697      43,321
 Borg-Warner Automotive, Inc. ..............................    929      37,624
 Bowater, Inc. .............................................  1,781      96,731
 Brinker International, Inc. ...............................  2,266      54,384
 BroadWing, Inc. ...........................................  7,520     277,300
 Buffets, Inc. .............................................  1,465      14,650
 Burlington Industries......................................  1,840       7,360
 Cabot Corp. ...............................................  2,299      46,842
 Cadence Design Systems, Inc. ..............................  8,436     202,464
 Callaway Golf Co. .........................................  2,637      46,642
 Calpine Corp. .............................................  2,179     139,456
 Cambridge Technology Partners, Inc. .......................  2,093      54,941
 Carlisle Companies, Inc. ..................................  1,049      37,764
 Carpenter Technology Corp. ................................    762      20,907
 Carter-Wallace, Inc. ......................................  1,564      28,054
 CBRL Group, Inc. ..........................................  2,031      19,707
</TABLE>
<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 CCB Financial Corp. .......................................  1,380 $    60,116
 CDW Computers Centers, Inc. ...............................  1,504     118,252
 Charter One Financial, Inc. ...............................  7,350     140,569
 Checkfree Holdings Corp. ..................................  1,905     199,072
 Chesapeake Corp. ..........................................    607      18,513
 Chiron Corp. ..............................................  6,293     266,666
 Chris-Craft Industries, Inc. ..............................  1,167      84,170
 Church & Dwight, Inc. .....................................  1,352      36,081
 Cintas Corp. ..............................................  3,857     204,903
 Cirrus Logic, Inc. ........................................  2,280      30,352
 City National Corp. .......................................  1,585      52,206
 CK Witco Corporation.......................................  4,129      55,225
 Claire's Stores, Inc. .....................................  1,775      39,716
 Clayton Homes, Inc. .......................................  4,848      44,541
 Cleco Corporation..........................................    783      25,105
 Cleveland Cliffs, Inc. ....................................    390      12,139
 CMP Group, Inc. ...........................................  1,128      31,090
 CNF Transportation, Inc. ..................................  1,681      57,994
 Comdisco, Inc. ............................................  5,325     198,356
 Compass Bancshares Inc. ...................................  3,951      88,157
 CompUSA, Inc. .............................................  3,190      16,349
 COMSAT Corp. ..............................................  1,834      36,451
 Concord EFS, Inc. .........................................  7,111     183,108
 Conectiv, Inc. ............................................  3,222      54,170
 Consolidated Papers, Inc. .................................  3,154     100,337
 Convergys Corp. ...........................................  5,306     163,159
 Cordant Technologies, Inc. ................................  1,275      42,075
 Covance, Inc. .............................................  2,044      22,101
 Cypress Semiconductor Corp. ...............................  3,786     122,572
 Cytec Industries, Inc. ....................................  1,488      34,410
 Dean Foods Co. ............................................  1,371      54,497
 Dentsply International, Inc. ..............................  1,839      43,446
 Devon Energy Corp. ........................................  2,972      97,704
 DeVry, Inc. ...............................................  2,413      44,942
 Dexter Corp. ..............................................    801      31,840
 Dial Corp. ................................................  3,650      88,741
 Diebold, Inc. .............................................  2,398      56,353
 Dime Bancorp, Inc. ........................................  3,840      58,080
 Dole Food Company, Inc. ...................................  1,934      31,427
 Dollar Tree Stores, Inc. ..................................  2,154     104,334
 Donaldson Company, Inc. ...................................  1,605      38,620
 DPL, Inc. .................................................  5,518      95,530
 DQE, Inc. .................................................  2,618      90,648
 Dreyers Grand Ice Cream, Inc. .............................    959      16,303
 DST Systems, Inc. .........................................  2,203     168,116
 E*Trade Group, Inc. .......................................  8,468     221,226
 Edwards (A.G.), Inc. ......................................  3,190     102,279
 Electronic Arts, Inc. .....................................  2,167     182,028
 Energy East Corporation....................................  3,978      82,792
 ENSCO Group, Inc. .........................................  4,774     109,205
 Ethyl Corp. ...............................................  2,902      11,427
 Everest Reinsurance Holdings...............................  1,627      36,302
 Express Scripts, Inc. Cl A.................................  1,337      85,568
 Family Dollar Stores, Inc. ................................  6,006      97,973
 Fastenal Co. ..............................................  1,319      59,273
 Federal Signal Corp. ......................................  1,606      25,796
 Federal-Mogul Corp. .......................................  2,558      51,480
 Ferro Corp. ...............................................  1,231      27,082
 Finova Group, Inc. ........................................  2,127      75,508
 First Health Group Corp. ..................................  1,700      45,687
 First Security Corp. ......................................  6,789     173,332
 First Tennessee Natl. Corp. ...............................  4,543     129,475
 First Virginia Banks, Inc. ................................  1,744      74,992
 Firstmerit Corp. ..........................................  3,111      71,553
 Fiserv, Inc. ..............................................  4,248     162,751
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       50
<PAGE>

      MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-CAP EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Flowers Industries, Inc. ..................................  3,486 $    55,558
 Flowserve Corporation......................................  1,301      22,117
 Forest Laboratories, Inc. .................................  2,901     178,230
 Foundation Health Systems, Inc. Cl A.......................  4,250      42,234
 Fuller (H.B.) Co. .........................................    488      27,297
 Furniture Brands Intl., Inc. ..............................  1,710      37,620
 Gartner Group, Inc. Cl B...................................  3,062      42,294
 GATX Corp, Inc. ...........................................  1,723      58,151
 Genzyme Corp. .............................................  2,899     130,455
 Georgia Gulf Corp. ........................................  1,076      32,751
 Georgia-Pacific Group......................................  2,881      70,945
 Gilead Sciences, Inc. .....................................  1,522      82,378
 Glatfelter (P.H.) Co. .....................................  1,467      21,363
 Global Marine, Inc. .......................................  6,057     100,698
 Granite Construction.......................................    945      17,423
 Greenpoint Financial Corp .................................  3,735      88,940
 GTECH Holdings Corp. ......................................  1,212      26,664
 Hanna (M. A.) Co. .........................................  1,700      18,594
 Hannaford Brothers Co. ....................................  1,466     101,612
 Hanover Compressor Co. ....................................    995      37,561
 Harley-Davidson, Inc. .....................................  5,242     335,816
 Harris Corp. ..............................................  2,773      74,004
 Harsco Corp. ..............................................  1,391      44,164
 Harte-Hanks, Inc. .........................................  2,379      51,743
 Hawaiian Electric Inds., Inc. .............................  1,120      32,340
 Health Management Associates, Inc. ........................  8,777     117,392
 Heilig-Meyers Co. .........................................  2,082       5,725
 Hibernia Corp Cl A.........................................  5,571      59,192
 Hillenbrand Industries, Inc. ..............................  2,268      71,867
 Hilton Hotels Corp. .......................................  8,103      77,991
 Hispanic Broadcasting Corp. ...............................  1,890     174,294
 HON Industries, Inc. ......................................  2,091      45,871
 Horace Mann Educators Corp. ...............................  1,427      28,005
 Hormel Foods Corp. ........................................  2,534     102,944
 Houghton Mifflin Co. ......................................  1,079      45,520
 HSB Group, Inc. ...........................................  1,005      33,982
 Hubbell, Inc. Cl B.........................................  2,260      61,585
 IBP, Inc. .................................................  3,208      57,744
 ICN Pharmaceuticals, Inc. .................................  2,720      68,850
 IdaCorp, Inc. .............................................  1,308      35,071
 Illinova Corp. ............................................  2,431      84,477
 Imation Corp. .............................................  1,270      42,624
 IMC Global, Inc. ..........................................  3,981      65,189
 Indiana Energy, Inc. ......................................  1,036      18,389
 Informix Corp. ............................................  6,975      79,341
 Integrated Device Technology, Inc. ........................  3,154      91,466
 International Game Technology..............................  3,133      63,639
 International Multifoods Corp. ............................    652       8,639
 International Speedway Corp. Cl A..........................  1,847      93,043
 Interstate Bakeries Corp. .................................  2,440      44,225
 Intuit, Inc. ..............................................  6,766     405,537
 Investment Technology Grp, Inc. ...........................  1,075      30,906
 IPALCO Enterprises, Inc. ..................................  2,981      50,863
 Ivax Corp. ................................................  3,656      94,142
 J.B. Hunt Transport Srvcs, Inc. ...........................  1,239      17,152
 J.M. Smucker Co. Cl A......................................  1,014      19,773
 Jabil Circuit, Inc. .......................................  3,049     222,577
 Jacobs Engineering Group, Inc. ............................    901      29,282
 Jones Apparel Group, Inc. .................................  4,257     115,471
 Kansas City Power & Light Co. .............................  2,152      47,477
 Kaydon Corp. ..............................................  1,067      28,609
 Keane, Inc. ...............................................  2,490      79,057
 Kelly Services, Inc. Cl A..................................  1,247      31,331
 Kennametal, Inc. ..........................................  1,041      35,004
 Keyspan Corporation........................................  4,637     107,520
</TABLE>
<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Keystone Financial, Inc. ..................................  1,687 $    35,532
 Kinder Morgan, Inc. .......................................  3,906      78,852
 Lancaster Colony Corp. ....................................  1,387      45,944
 Lance Inc. ................................................  1,042      10,420
 Lands End, Inc. ...........................................  1,045      36,314
 Lear Corp. ................................................  2,324      74,368
 Lee Enterprises, Inc. .....................................  1,544      49,311
 Legato Systems, Inc. ......................................  2,944     202,584
 Legg Mason, Inc. ..........................................  1,975      71,594
 LG & E Energy Corp. .......................................  4,509      78,626
 Lincare Holdings, Inc. ....................................  1,872      64,935
 Linear Technology Corp. ...................................  5,322     380,856
 Litton Industries, Inc. ...................................  1,580      78,802
 Lone Star Steakhouse Saloon................................  1,151      10,269
 Longview Fibre Co. ........................................  1,797      25,607
 Lubrizol Corp. ............................................  1,899      58,632
 Lyondell Chemical Co. .....................................  4,085      52,084
 Magnatek, Inc. ............................................    835       6,419
 Mandalay Resort Group......................................  3,159      63,575
 Manpower, Inc. ............................................  2,628      98,878
 Mark IV Industries, Inc. ..................................  1,619      28,636
 Marshall & Ilsley Corp. ...................................  3,690     231,778
 Martin Marietta Materials, Inc. ...........................  1,624      66,584
 Maxim Integrated Products, Inc. ...........................  9,470     446,866
 Maxxam, Inc. ..............................................    243      10,419
 McCormick & Co., Inc. .....................................  2,479      73,750
 MCN Energy Group Inc. .....................................  2,978      70,728
 Media General Inc. Cl A....................................    925      48,100
 Medimmune, Inc. ...........................................  2,336     387,484
 Mentor Graphics Corp. .....................................  2,224      29,329
 Mercantile Bankshares Corp. ...............................  2,407      76,874
 Meritor Automotive, Inc. ..................................  2,403      46,558
 Micro Warehouse, Inc. .....................................  1,245      23,032
 Microchip Technology, Inc. ................................  1,768     120,997
 Midamerican Energy Hldgs. Co. .............................  2,074      69,868
 Millennium Pharmaceuticals Inc. ...........................  1,259     153,598
 Miller (Herman), Inc. .....................................  2,767      63,641
 Minerals Technologies, Inc. ...............................    745      29,847
 Minimed, Inc. .............................................  1,075      78,744
 Minnesota Power, Inc. .....................................  2,543      43,072
 Modine Manufacturing Co. ..................................  1,027      25,675
 Modis Professional Services................................  3,335      47,524
 Mohawk Industries, Inc. ...................................  2,108      55,598
 Montana Power. Co. ........................................  3,832     138,191
 Murphy Oil Corp. ..........................................  1,564      89,735
 Mylan Laboratories, Inc. ..................................  4,492     113,142
 Nabors Industries, Inc. ...................................  4,807     148,717
 National Commerce Bancorporation...........................  3,750      85,078
 National Fuel Gas Co. .....................................  1,349      62,729
 Navigant Consulting Co. ...................................  1,443      15,693
 NCH Corp. .................................................    188       8,378
 NCO Group, Inc. ...........................................    866      26,088
 NCR Corp. .................................................  3,345     126,692
 Neiman-Marcus Group, Inc. .................................  1,704      47,606
 Networks Associates, Inc. .................................  4,833     128,981
 New England Electric System................................  2,056     106,398
 Newport News Shipbuilding Inc. ............................  1,142      31,405
 NiSource, Inc. ............................................  4,348      77,721
 Noble Affiliates, Inc. ....................................  1,982      42,489
 Noble Drilling Corp. ......................................  4,553     149,111
 Nordson Corp. .............................................    575      27,744
 North Fork Bancorp, Inc. ..................................  4,517      79,048
 Northeast Utilities........................................  4,571      93,991
 NOVA Corp. ................................................  2,548      80,421
 Novellus Systems, Inc. ....................................  1,354     165,907
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       51
<PAGE>

      MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-CAP EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 NSTAR......................................................  2,083 $    84,362
 Ocean Energy, Inc. ........................................  5,793      44,896
 OfficeMax, Inc. ...........................................  3,941      21,676
 Ogden Corp. ...............................................  1,711      20,425
 OGE Energy Corp. ..........................................  2,705      51,395
 Ohio Casualty Corp. .......................................  2,081      33,426
 Old Republic Intl. Corp. ..................................  4,373      59,582
 Olin Corp. ................................................  1,573      31,165
 Olsten Corp. ..............................................  2,827      31,980
 Omnicare, Inc. ............................................  3,172      38,064
 Oregon Steel Mills, Inc. ..................................    896       7,112
 Outback Steakhouse, Inc. ..................................  2,617      67,878
 Overseas Shipholding Group, Inc. ..........................  1,161      17,197
 Oxford Health Plans, Inc. .................................  2,828      35,880
 Pacific Century Finl Corp. ................................  2,791      52,157
 Pacificare Health Systems, Inc. ...........................  1,509      79,977
 Papa John's Intl., Inc. ...................................  1,054      27,470
 Park Place Entertainment Corp. ............................ 10,562     132,025
 Payless Shoesource, Inc. ..................................  1,076      50,572
 Pennzoil-Quaker State Co. .................................  2,707      27,578
 Pentair, Inc. .............................................  1,675      64,488
 Perrigo Co. ...............................................  2,548      20,384
 Pioneer Natural Resources Co. .............................  3,488      31,174
 Pittston Brinx Group.......................................  1,421      31,262
 Policy Management Systems Corp. ...........................  1,237      31,621
 Polycom, Inc. .............................................  1,142      72,731
 Potomac Electric Power Co. ................................  4,122      94,548
 Precision Castparts Corp. .................................    852      22,365
 Premier Parks, Inc. .......................................  2,717      78,453
 Protective Life Corp. .....................................  2,243      71,355
 Provident Financial Group, Inc. ...........................  1,510      54,171
 PSS World Medical Inc. ....................................  2,468      23,292
 Public Service Co. New Mexico..............................  1,418      23,043
 Puget Sound Energy, Inc. ..................................  2,940      56,963
 QlLogic Corporation........................................  1,260     201,443
 Quantum Corp. .............................................  5,709      86,337
 Questar Corp. .............................................  2,876      43,140
 Quorum Health Group, Inc. .................................  2,448      22,797
 Rational Software Corp. ...................................  3,030     148,849
 Rayonier, Inc. ............................................    965      46,622
 Reader's Digest Association, Inc. .........................  3,688     107,874
 Reliastar Financial Corp. .................................  3,075     120,502
 Reynolds & Reynolds Co. Cl A...............................  2,686      60,435
 RJ Reynolds Tobacco Holdings, Inc. ........................  3,775      66,534
 Robert Half Intl., Inc. ...................................  3,108      88,772
 Rollins, Inc. .............................................  1,055      15,825
 Ross Stores, Inc. .........................................  3,134      56,216
 RPM, Inc. .................................................  3,742      38,122
 Ruddick Corp. .............................................  1,615      25,033
 Ryerson Tull, Inc. ........................................    868      16,872
 Saks Incorporated..........................................  5,031      78,295
 Sanmina Corp. .............................................  2,028     202,547
 Santa Fe Snyder Corp. .....................................  6,389      51,112
 Scana Corp. ...............................................  3,602      96,804
 Scholastic Corp. ..........................................    572      35,571
 SCI Systems, Inc. .........................................  2,508     206,126
 Sensormatic Electronics Corp. .............................  2,629      45,843
 Sepracor, Inc. ............................................  1,145     113,570
 Sequa Corp. Cl A...........................................    360      19,418
 Shaw Industries, Inc. .....................................  4,635      71,553
 Siebel Systems, Inc. ......................................  6,678     560,952
 Sierra Pacific Resources...................................  2,717      47,033
 Smith International, Inc. .................................  1,720      85,463
 Solutia, Inc. .............................................  3,816      58,910
 Sonoco Products Co. .......................................  3,545      80,649
</TABLE>
<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued)
Common Stocks (Continued)
 Sotheby's Holdings, Inc. ..................................  2,044 $    61,320
 Southdown, Inc. ...........................................  1,248      64,428
 Sovereign Bancorp, Inc. ...................................  7,614      56,748
 SPX, Corp. ................................................  1,084      87,601
 Standard Register Co. .....................................    980      18,988
 Starbucks Corp. ...........................................  6,335     153,624
 Steris Corp. ..............................................  2,341      24,142
 Sterling Commerce, Inc. ...................................  3,071     104,606
 Sterling Software, Inc. ...................................  2,929      92,264
 Stewart & Stevenson Svcs., Inc. ...........................    973      11,524
 Stewart Enterprises, Inc. Cl A.............................  3,762      17,870
 Storage Technology Corp. ..................................  3,483      64,218
 Structural Dynamics Research Corp. ........................  1,248      15,912
 Stryker Corp. .............................................  3,370     234,636
 Suiza Foods Corp. .........................................  1,081      42,835
 Sungard Data Sys Inc. .....................................  4,442     105,498
 Superior Industries Intl., Inc. ...........................    933      25,016
 Swift Transportation, Inc. ................................  2,235      39,392
 Sybron Intl. Corp. ........................................  3,608      89,073
 Sykes Enterprises, Inc. ...................................  1,471      64,540
 Sylvan Learning Systems, Inc. .............................  1,765      22,945
 Symantec Corp. ............................................  2,014     118,071
 Symbol Technologies, Inc. .................................  3,068     195,010
 Synopsys, Inc. ............................................  2,463     164,405
 TCF Banking & Savings......................................  2,901      72,162
 Tech Data Corp. ...........................................  1,782      48,337
 Teco Energy, Inc. .........................................  4,484      83,234
 Tecumseh Products Co. Cl A.................................    701      33,078
 Teleflex, Inc. ............................................  1,318      41,270
 Telephone & Data Systems, Inc. ............................  2,137     269,262
 The PMI Group, Inc. .......................................  1,556      75,952
 Tidewater, Inc. ...........................................  1,934      69,624
 Tiffany & Co. .............................................  2,499     223,036
 Total Renal Care Holdings, Inc. ...........................  2,823      18,879
 Transaction Systems Architects,
  Inc. Cl A.................................................  1,132      31,696
 Transocean Sedco Forex, Inc. ..............................  3,497     117,805
 Trigon Healthcare, Inc. Cl A...............................  1,360      40,120
 Trinity Industries, Inc. ..................................  1,394      39,642
 Tyson Foods, Inc. Cl A.....................................  7,953     129,236
 UCAR Int'l., Inc. .........................................  1,568      27,930
 Ultramar Diamond Shamrock Corp. ...........................  3,012      68,335
 Unifi, Inc. ...............................................  2,078      25,585
 Unitrin Inc. ..............................................  2,516      94,665
 Universal Corp. ...........................................  1,073      24,478
 Universal Foods Corp. .....................................  1,748      35,616
 Univision Communications, Inc. Cl A........................  3,529     360,620
 US Foodservice.............................................  3,517      58,910
 USG Corp. .................................................  1,731      81,573
 UtiliCorp United, Inc. ....................................  3,238      62,939
 Valero Refining & Marketing Corp. .........................  1,956      38,876
 Varco International, Inc. .................................  2,263      23,054
 Veritas Software Corp. ....................................  8,978   1,284,976
 Viad Corp. ................................................  3,290      91,709
 Vishay Intertechnology, Inc. ..............................  2,942      93,041
 VISX, Inc. ................................................  2,217     114,730
 Vitesse Semiconductor Corp. ...............................  5,337     279,859
 Vlasic Foods International, Inc. ..........................  1,582       8,998
 Wallace Computer Svcs., Inc. ..............................  1,458      24,239
 Warnaco Group, Inc. Cl A...................................  1,932      23,788
 Washington Gas Light Co. ..................................  1,616      44,440
 Washington Post Co. Cl B...................................    350     194,556
 Waters Corp. ..............................................  2,134     113,102
 Wausau-Mosinee Paper Corp. ................................  1,781      20,815
 Weatherford International, Inc. ...........................  3,744     149,526
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       52
<PAGE>

      MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-CAP EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Webster Financial Corp. ...................................  1,579 $    37,205
 Wellman, Inc. .............................................  1,176      21,903
 Westamerica Bancorporation.................................  1,303      36,403
 Westpoint Stevens, Inc. ...................................  1,850      32,375
 Westwood One, Inc. ........................................  1,921     145,996
 Whitman Corp. .............................................  4,890      65,709
 Williams-Sonoma, Inc. .....................................  1,942      89,332
</TABLE>
<TABLE>
<CAPTION>
                                                             Shares    Value
                                                             ------ -----------
<S>                                                          <C>    <C>

INDEXED ASSETS (Continued):
Common Stocks (Continued)
 Wilmington Trust Corp. ....................................  1,153 $    55,632
 Wisconsin Central Transport Corp. .........................  1,782      23,946
 Wisconsin Energy Corp. ....................................  4,074      78,425
 York International Corp. ..................................  1,350      37,041
 Zions Bancorporation.......................................  2,946     174,366
                                                                    -----------
Total Indexed Assets--Common Stocks
 (Cost: $30,291,833) 94.7%.........................................  32,122,302
                                                                    -----------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       53
<PAGE>

      MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-CAP EQUITY INDEX FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Face
                                            Rate  Maturity  Amount     Value
                                            ----  -------- -------- -----------
<S>                                         <C>   <C>      <C>      <C>
SHORT-TERM DEBT SECURITIES:
U.S. Government (0.7%)
 U.S. Treasury Bill (a).................... 5.13% 01/20/00 $225,000 $   224,389
                                                                    -----------
Agency (1.6%)
 Federal Home Loan Bank.................... 4.75  01/12/00  537,000     536,220
                                                                    -----------
Commercial Paper ( 3.0%)
 Novartis Finance Corp. ................... 5.15  01/24/00  526,000     524,269
 Snap-On, Inc. ............................ 4.00  01/03/00  500,000     499,889
                                                                    -----------
                                                                      1,024,158
                                                                    -----------
Total Short-Term Debt Securities
 (Cost: $1,784,767) 5.3%..........................................    1,784,767
                                                                    -----------
Total Investments
 (Cost: $32,076,600) 100.0%.......................................  $33,907,069
                                                                    ===========
</TABLE>

- --------------
FUTURES CONTRACTS OUTSTANDING AS OF December 31, 1999:

<TABLE>
<CAPTION>
                                          Expiration Underlying Face Unrealized
                                             Date    Amount at Value    Gain
                                          ---------- --------------- ----------
<S>                                       <C>        <C>             <C>
Purchased
 8 S&P MidCap 400 Stock Index Futures
  Contracts.............................. March 2000   $1,796,600     $59,350
                                                       ==========     =======
</TABLE>

   The face value of futures purchased and outstanding as percentage of total
                        investment in securities: 5.3%.

- -------
(a) This security has been segregated to cover initial margin requirements on
    open contracts.

   The accompanying notes are an integral part of these financial statements.

                                       54
<PAGE>

              MUTUAL OF AMERICA INVESTMENT CORPORATION (BOND FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999


<TABLE>
<CAPTION>
                                                          Face
                                       Rate   Maturity   Amount       Value
                                       -----  -------- ----------- ------------
<S>                                    <C>    <C>      <C>         <C>
LONG-TERM DEBT SECURITIES:
U.S. Government (2.4%)
 U.S. Treasury Note...................  6.50% 08/15/05 $ 2,500,000 $  2,500,000
 U.S. Treasury Strip..................  0.00  05/15/14  10,000,000    3,763,400
 U.S. Treasury Strip..................  0.00  02/15/17  15,000,000    4,685,250
                                                                   ------------
                                                                     10,948,650
                                                                   ------------
Agencies/Other Governments (41.5%)
 Connecticut Housing Fin. Auth........  7.63  05/15/21   2,500,000    2,375,050
 FHLB.................................  0.00  06/26/17  50,000,000   11,953,000
 FHLB.................................  0.00  07/07/17 125,000,000   29,687,500
 FHLB.................................  0.00  07/14/17  25,000,000    5,929,750
 FHLB.................................  0.00  07/07/22  50,000,000    7,593,500
 FHLMC................................  8.50  08/01/02     212,410      214,953
 FHLMC................................  7.00  05/15/06     441,857      441,442
 FHLMC................................  8.00  07/15/06     374,624      380,360
 FHLMC................................  6.38  11/15/06   1,063,027    1,057,042
 FHLMC................................  7.50  04/01/07      24,906       24,798
 FHLMC................................  6.50  04/15/08     775,000      772,574
 FHLMC................................  6.00  04/15/08     500,000      491,250
 FHLMC................................  7.63  09/09/09  97,000,000   95,803,020
 FHLMC................................  5.00  08/15/19     920,142      902,594
 FNMA.................................  7.00  10/25/05     612,826      611,674
 FNMA.................................  7.00  12/25/18     126,188      125,754
 FNMA.................................  6.00  06/25/19     900,000      880,875
 FNMA.................................  6.25  01/25/20     850,000      842,826
 FNMA.................................  5.00  04/25/21     583,228      563,725
 New York City........................  9.50  06/01/09   5,000,000    5,323,380
 New York City........................ 10.00  08/01/05   2,000,000    2,166,434
 Republic of Iceland..................  6.13  02/01/04   5,000,000    4,775,800
 Suffolk County, New York.............  5.80  11/01/04   4,000,000    3,914,080
 Suffolk County, New York.............  5.88  11/01/05   4,000,000    3,894,860
 Tennessee Valley Authority...........  7.85  06/15/44  10,000,000    9,822,400
                                                                   ------------
                                                                    190,548,641
                                                                   ------------
Basic Materials (6.6%)
 Arco Chemical Co..................... 10.25  11/01/10   7,500,000    7,405,725
 Georgia-Pacific (Timber Group).......  8.63  04/30/25   7,000,000    6,869,870
 Inco Ltd.............................  9.60  06/15/22   7,500,000    7,266,525
 Millennium America Inc...............  7.63  11/15/26   5,000,000    4,158,400
 Praxair, Inc.........................  6.90  11/01/06   5,000,000    4,724,100
                                                                   ------------
                                                                     30,424,620
                                                                   ------------
Consumer, Cyclical (8.3%)
 Centex Corp..........................  8.75  03/01/07   2,000,000    2,011,300
 Centex Corp..........................  7.38  06/01/05   5,000,000    4,761,950
 Fruit of the Loom, Inc...............  7.00  03/15/11   2,500,000      562,500
 Fruit of the Loom, Inc...............  7.38  11/15/23   1,250,000      431,250
 Gannett Co., Inc.....................  5.85  05/01/00   3,500,000    3,496,885
 Neiman-Marcus Group, Inc.............  7.13  06/01/28   2,500,000    2,054,975
 Oakwood Homes Corp...................  8.13  03/01/09   2,500,000    2,302,173
</TABLE>


   The accompanying notes are an integral part of these financial statements.

                                       55
<PAGE>

              MUTUAL OF AMERICA INVESTMENT CORPORATION (BOND FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                        Rate   Maturity   Amount       Value
                                        -----  -------- ----------- -----------
<S>                                     <C>    <C>      <C>         <C>
LONG-TERM DEBT SECURITIES (Continued):
Consumer, Cyclical (Continued)
 Pulte Corp............................  7.63% 10/15/17 $ 7,500,000 $ 6,390,750
 Polaroid Corp.........................  7.25  01/15/07   3,750,000   3,196,725
 Shopko Stores, Inc....................  9.00  11/15/04   5,000,000   5,210,550
 Tommy Hilfiger USA, Inc...............  6.50  06/01/03   5,000,000   4,741,550
 V F Corp..............................  9.25  05/01/22   1,000,000   1,051,710
 Venator Group, Inc....................  7.00  10/15/02   2,000,000   1,820,000
                                                                    -----------
                                                                     38,032,318
                                                                    -----------
Consumer, Non-cyclical (9.0%)
 Aventis...............................  7.75  01/15/02   3,000,000   3,000,930
 Bausch & Lomb, Inc....................  6.15  08/01/01   5,000,000   4,937,950
 Bausch & Lomb, Inc....................  6.38  08/01/03   5,250,000   5,087,198
 Bausch & Lomb, Inc....................  6.75  12/15/04   5,000,000   4,789,050
 Kellwood Co...........................  7.88  07/15/09  10,000,000   9,118,200
 Panamerican Beverages, Inc............  7.25  07/01/09   5,000,000   4,253,300
 Ralston Purina Co.....................  8.63  02/15/22   7,500,000   7,533,450
 Supervalu, Inc........................  8.88  11/15/22   2,500,000   2,628,025
                                                                    -----------
                                                                     41,348,103
                                                                    -----------
Energy (3.1%)
 Southern Union Co.....................  7.60  02/01/24  10,000,000   9,329,600
 Tosco Corp............................  8.25  05/15/03   5,000,000   5,091,250
                                                                    -----------
                                                                     14,420,850
                                                                    -----------
Financial (11.6%)
 Bear Stearns Cos., Inc................  6.63  10/01/04   2,000,000   1,918,240
 Berkley (W.R.) Corp...................  8.70  01/01/22   5,000,000   4,905,400
 Chase Manhattan Corp..................  6.88  12/12/12   5,000,000   4,817,050
 Citicorp Mortgage Securirties, Inc....  6.25  03/25/24       6,787       6,755
 Executive Risk, Inc...................  7.13  12/15/07   5,000,000   4,804,850
 Fairfax Financial Holdings, Ltd.......  8.25  10/01/15   2,500,000   2,202,200
 First American Financial..............  7.55  04/01/28   1,500,000   1,285,980
 Freemont General Corp.................  7.70  03/17/04   5,000,000   4,328,100
 Harleysville Group Inc................  6.75  11/15/03   2,500,000   2,411,900
 Lehman Brothers Holdings, Inc.........  0.00  07/28/28  10,000,000     882,100
 Morgan (J.P.) & Co., Inc..............  0.00  04/15/27  32,500,000   3,134,625
 Nationwide Health Properties..........  7.90  11/20/06   5,000,000   4,325,100
 Progressive Corp. of Ohio............. 10.00  12/15/00   1,500,000   1,541,175
 Rank Group Financial..................  6.75  11/30/04   5,000,000   4,629,450
 SunAmerica, Inc.......................  9.95  02/01/12   5,000,000   5,920,700
 Triad Guaranty........................  7.90  01/15/28   3,250,000   2,981,553
 Vesta Insurance Group, Inc............  8.75  07/15/25   5,000,000   3,255,400
                                                                    -----------
                                                                     53,350,578
                                                                    -----------
Industrial (10.0%)
 Browning-Ferris Inds., Inc............  7.88  03/15/05   5,000,000   4,644,400
 Clark Equipment Co....................  8.35  05/15/23   5,000,000   5,155,000
 Geon Co...............................  6.88  12/15/05   5,000,000   4,692,000
 Geon Co...............................  7.50  12/15/15   3,750,000   3,416,475
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       56
<PAGE>

              MUTUAL OF AMERICA INVESTMENT CORPORATION (BOND FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                        Rate  Maturity Face Amount    Value
                                        ----  -------- ----------- ------------
<S>                                     <C>   <C>      <C>         <C>
LONG-TERM DEBT SECURITIES (Continued):
Industrial (Continued)
 Owens Corning......................... 7.00% 03/15/09 $ 2,500,000 $  2,199,925
 Thermo Electron Corp.................. 4.25  01/01/03   7,500,000    6,328,124
 Thermo Instrument Systems, Inc........ 4.00  01/15/05  10,000,000    7,300,000
 USX Corp.............................. 8.75  09/15/22   2,000,000    2,015,140
 Williams Cos., Inc.................... 6.50  11/15/02  10,000,000    9,760,000
                                                                   ------------
                                                                     45,511,064
                                                                   ------------
Utilities (3.5%)
 New Orleans Public Service............ 8.00  03/01/06   4,000,000    4,027,080
 Pacific Gas & Electric Co............. 8.75  01/01/01   2,000,000    2,036,520
 UtiliCorp United, Inc................. 8.00  03/01/23  10,000,000    9,776,300
                                                                   ------------
                                                                     15,839,900
                                                                   ------------
Total Long-Term Debt Securities (Cost: $467,418,711) 96.0%.......   440,424,724
                                                                   ------------
SHORT-TERM DEBT SECURITIES:
Commercial Paper (4.0%)
 Abbott Laboratories................... 6.25  01/13/00   4,668,000    4,658,256
 BellSouth Telecommunications.......... 5.05  02/02/00   3,061,000    3,047,256
 General Electric Capital Corp......... 6.33  01/18/00   4,785,000    4,770,656
 Gillette Company...................... 5.25  01/07/00   4,133,000    4,128,686
 UBS Finance (Delw.) Inc............... 4.00  01/03/00   1,595,000    1,594,646
                                                                   ------------
Total Short-Term Debt Securities (Cost: $18,199,500) 4.0%........    18,199,500
                                                                   ------------
Total Investments (Cost: $485,618,211) 100.0%....................  $458,624,224
                                                                   ============
</TABLE>
- -------
Abbreviations: FHLB = Federal Home Loan Bank
         FHLMC = Federal Home Loan Mortgage Corporation
         FNMA = Federal National Mortgage Association

   The accompanying notes are an integral part of these financial statements.

                                       57
<PAGE>

        MUTUAL OF AMERICA INVESTMENT CORPORATION (SHORT-TERM BOND FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                            Face
                                          Rate  Maturity   Amount      Value
                                          ----  -------- ---------- -----------
<S>                                       <C>   <C>      <C>        <C>
INTERMEDIATE-TERM DEBT SECURITIES:
U.S. Government (4.1%)
 U.S. Treasury Note...................... 6.13% 07/31/00 $  500,000 $   500,705
                                                                    -----------
Agencies (59.2%)
 FHLMC................................... 7.00  04/15/01    211,504     210,976
 FHLMC................................... 8.00  04/01/02    113,604     114,276
 FHLMC................................... 8.00  05/01/02    204,651     205,717
 FHLMC................................... 8.50  08/01/02    235,421     238,239
 FHLMC................................... 7.75  12/01/02    139,113     139,444
 FHLMC................................... 7.00  05/15/06    220,929     220,721
 FHLMC................................... 7.50  02/15/07    274,458     275,915
 FHLMC................................... 7.00  03/15/07    282,411     280,821
 FHLMC................................... 7.50  09/01/07    328,496     326,985
 FHLMC................................... 7.00  03/15/08    154,900     154,802
 FHLMC................................... 6.00  09/15/08    119,241     116,707
 FHLMC................................... 8.25  10/01/09    248,281     251,315
 FHLMC................................... 8.00  05/01/14    212,138     213,225
 FHLMC................................... 8.50  09/01/17    110,732     113,258
 FHLMC................................... 6.00  12/15/17     89,390      89,026
 FHLMC................................... 5.00  08/15/19    441,668     433,245
 FHLMC................................... 6.50  05/15/21    114,350     112,920
 FHLMC................................... 6.00  05/15/22    108,219     106,190
 FNMA.................................... 6.03  06/12/03    200,000     194,374
 FNMA.................................... 8.25  09/25/05     19,120      19,066
 FNMA.................................... 8.25  10/01/05     47,503      47,504
 FNMA.................................... 7.00  10/25/05    262,640     262,146
 FNMA.................................... 7.00  11/25/05    281,404     280,700
 FNMA.................................... 7.50  11/25/06    451,253     452,381
 FNMA.................................... 7.50  02/25/07    248,712     249,644
 FNMA.................................... 7.75  03/01/08    202,534     204,446
 FNMA.................................... 8.00  04/01/08    141,352     144,590
 FNMA.................................... 7.50  01/01/09    181,964     182,911
 FNMA.................................... 8.25  01/01/10    401,450     410,065
 FNMA.................................... 6.30  09/25/18    305,000     302,139
 FNMA.................................... 7.00  12/25/18    126,188     125,754
 FNMA.................................... 6.70  01/18/19     39,052      38,930
 FNMA.................................... 5.50  04/25/19    131,375     130,431
 FNMA.................................... 6.50  04/25/19    300,000     298,311
 FNMA.................................... 6.10  08/25/21    106,520     104,989
 GNMA.................................... 9.50  12/20/03     37,181      38,214
 GNMA.................................... 9.00  03/15/10    142,043     147,878
                                                                    -----------
                                                                      7,238,255
                                                                    -----------
Consumer, Cyclical (4.0%)
 Venator Group, Inc. .................... 7.00  06/01/00    500,000     494,725
                                                                    -----------
Consumer, Non-cyclical (1.9%)
 Jones Apparel Group, Inc ............... 6.25  10/01/01    240,000     234,269
                                                                    -----------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       58
<PAGE>

        MUTUAL OF AMERICA INVESTMENT CORPORATION (SHORT-TERM BOND FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                         Rate  Maturity   Amount      Value
                                         ----  -------- ---------- -----------
<S>                                      <C>   <C>      <C>        <C>
INTERMEDIATE-TERM DEBT SECURITIES
 (Continued):
Energy (3.2%)
 Columbia Gas Systems, Inc. ............ 6.61% 11/28/02 $  400,000 $   390,008
                                                                   -----------
Financial (6.9%)
 Chase Mortgage Finance Corp. .......... 6.50  09/25/09    500,000     495,310
 Citicorp Mortgage Sec. Inc. ........... 6.25  03/25/24      2,755       2,742
 FBC Mortgage Securities Trust.......... 8.30  08/20/09     28,557      28,494
 GE Capital Mtge. Services, Inc. ....... 6.00  09/25/08     45,279      44,939
 Morgan Stanley Capital, Inc. .......... 6.85  02/15/20    204,507     202,973
 Prudential Home Mtge. Secs. Co. ....... 6.75  08/25/08     71,033      70,678
                                                                   -----------
                                                                       845,136
                                                                   -----------
Industrial (4.0%)
 Edperbrascan Corp. .................... 7.38  10/01/02    500,000     490,160
                                                                   -----------
Total Intermediate-Term Debt Securities
 (Cost $10,299,416) 83.3%........................................   10,193,258
                                                                   -----------
Short-Term Debt Securities:
Agencies (16.7%)
 Federal Home Loan Bank................. 1.28  01/03/00  1,390,000   1,389,901
 Federal Home Loan Bank................. 4.75  01/12/00    651,000     650,055
                                                                   -----------
Total Short-Term Debt Securities
 (cost: $2,039,956) 16.7%........................................    2,039,956
                                                                   -----------
Total Investments
 (Cost: $12,339,372) 100.0%......................................  $12,233,214
                                                                   ===========
</TABLE>
- -------
Abbreviations: FHLMC = Federal Home Loan Mortgage Corporation
         FNMA = Federal National Mortgage Association
         GNMA = Government National Mortgage Association

   The accompanying notes are an integral part of these financial statements.

                                       59
<PAGE>

         MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-TERM BOND FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                         Rate  Maturity   Amount       Value
                                         ----  -------- ----------- -----------
<S>                                      <C>   <C>      <C>         <C>
INTERMEDIATE-TERM DEBT SECURITIES:
U.S. Government (26.5%)
 U.S. Treasury Note..................... 5.88% 02/15/04 $ 3,500,000 $ 3,438,190
                                                                    -----------
Agencies/other Governments (18.7%)
 FHLMC.................................. 8.00  04/15/03     298,686     300,272
 FHLMC.................................. 8.00  07/15/06     187,312     190,180
 FHLMC.................................. 6.38  11/15/06     570,169     566,959
 FNMA................................... 7.00  11/25/04      82,860      81,022
 FNMA................................... 6.50  11/25/05     333,336     327,606
 FNMA................................... 7.00  04/25/07     600,000     595,500
 New York City.......................... 9.50  06/01/09     350,000     372,637
                                                                    -----------
                                                                      2,434,176
                                                                    -----------
Consumer, Cyclical (7.2%)
 Tommy Hilfiger USA, Inc................ 6.50  06/01/03     500,000     474,155
 Venator Group, Inc..................... 7.00  10/15/02     500,000     455,000
                                                                    -----------
                                                                        929,155
                                                                    -----------
Consumer, Non-Cyclical (3.7%)
 Bausch & Lomb, Inc. ................... 6.38  08/01/03     250,000     242,247
 Bausch & Lomb, Inc. ................... 6.75  12/15/04     250,000     239,453
                                                                    -----------
                                                                        481,700
                                                                    -----------
Financial (23.0%)
 Bear Stearns Cos., Inc................. 9.38  06/01/01     250,000     257,412
 Bear Stearns Cos., Inc................. 6.63  10/01/04     500,000     479,560
 Freemont Gen Corp...................... 7.70  03/17/04     250,000     216,405
 Harleysville Group Inc................. 6.75  11/15/03     250,000     241,190
 Nationwide Health Properties........... 7.90  11/20/06     250,000     216,255
 Nationwide Health Properties........... 7.60  11/20/28     350,000     339,020
 Rank Group Financial................... 6.75  11/30/04     500,000     462,945
 Salomon Smith Barney Hldgs............. 6.50  10/15/02     500,000     492,685
 Trinet Corp. Rlty. Trust, Inc.......... 6.75  03/01/03     300,000     277,524
                                                                    -----------
                                                                      2,982,996
                                                                    -----------
Industrial (12.7%)
 Airborne Freight Corp.................. 8.88  12/15/02     250,000     252,098
 Crown Cork & Seal, Inc. ............... 6.75  04/15/03     500,000     484,725
 Thermo Electron Corp................... 4.25  01/01/03     500,000     421,875
 Williams Cos., Inc..................... 6.50  11/15/02     500,000     488,000
                                                                    -----------
                                                                      1,646,698
                                                                    -----------
Utilities (3.8%)
 Constellation Energy Group............. 6.13  07/01/03     250,000     243,155
 Public Svc. Electric & Gas Co.......... 7.88  11/01/01     250,000     253,055
                                                                    -----------
                                                                        496,210
                                                                    -----------
Total Intermediate-Term Debt Securities
 (Cost $12,892,564) 95.6%...............                             12,409,125
                                                                    -----------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       60
<PAGE>

         MUTUAL OF AMERICA INVESTMENT CORPORATION (MID-TERM BOND FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                             Face
                                            Rate  Maturity  Amount     Value
                                            ----  -------- -------- -----------
<S>                                         <C>   <C>      <C>      <C>
SHORT-TERM DEBT SECURITIES:
Commercial Paper (4.4%)
 UBS Finance (Delw.) Inc................... 4.00% 01/03/00 $575,000 $   574,872
                                                                    -----------
Total Short-Term Debt Securities (Cost: $574,872) 4.4%............      574,872
                                                                    -----------
Total Investments
 (Cost: $13,467,436) 100.0%.......................................  $12,983,997
                                                                    ===========
</TABLE>
- -------
Abbreviations: FHLMC = Federal Home Loan Mortgage Corporation
         FNMA = Federal National Mortgage Association

   The accompanying notes are an integral part of these financial statements.

                                       61
<PAGE>

           MUTUAL OF AMERICA INVESTMENT CORPORATION (COMPOSITE FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                            Shares    Value
                                                            ------ ------------
<S>                                                         <C>    <C>

COMMON STOCKS:
Basic Materials (1.7%)
 Alcan Aluminum Ltd. ...................................... 30,000 $  1,235,625
 ALCOA, Inc. .............................................. 32,600    2,705,800
 International Paper Co. .................................. 21,800    1,230,337
 Potlatch Corp. ........................................... 18,800      838,950
                                                                   ------------
                                                                      6,010,712
                                                                   ------------
Consumer, Cyclical (12.7%)
 America Online, Inc.*..................................... 36,600    2,761,012
 Bed Bath & Beyond, Inc.*.................................. 35,400    1,230,150
 Circuit City Group........................................ 23,000    1,036,437
 Clear Channel Communications, Inc.* ...................... 44,200    3,944,850
 Corning, Inc. ............................................ 28,200    3,636,037
 Gannett Co., Inc. ........................................  5,100      415,969
 General Electric Co. ..................................... 54,100    8,371,975
 Home Depot, Inc. ......................................... 38,850    2,663,653
 Interpublic Group of Cos., Inc. .......................... 24,400    1,407,575
 Knight-Ridder, Inc. ......................................  6,200      368,900
 New York Times Co. Cl A................................... 68,500    3,365,063
 Omnicom Group, Inc. ...................................... 34,300    3,430,000
 Southwest Airlines Co. ................................... 58,300      943,731
 Tandy Corp. .............................................. 40,800    2,006,850
 Times Mirror Co. Cl A.....................................  5,500      368,500
 Tribune Co. .............................................. 16,500      908,531
 Viacom, Inc. Cl B*........................................ 65,300    3,946,569
 Wal-Mart Stores, Inc. .................................... 76,100    5,260,413
                                                                   ------------
                                                                     46,066,215
                                                                   ------------
Consumer, Non-cyclical (7.0%)
 Bard (C.R.), Inc. ........................................ 18,200      964,600
 Bestfoods.................................................  6,700      352,169
 Bristol-Myers Squibb Co. ................................. 36,400    2,336,425
 Coca-Cola Co. ............................................ 40,000    2,330,000
 Colgate-Palmolive Co. .................................... 16,400    1,066,000
 Columbia/HCA Healthcare Corp. ............................ 63,000    1,846,687
 General Mills, Inc. ......................................  9,000      321,750
 Johnson & Johnson......................................... 27,000    2,514,375
 Kellogg Co. ..............................................  9,900      305,044
 Kimberly Clark Corp. ..................................... 31,300    2,042,325
 Medtronic, Inc. .......................................... 68,400    2,492,325
 Merck & Co., Inc. ........................................ 39,800    2,669,088
 Pfizer, Inc. ............................................. 70,000    2,270,625
 Proctor & Gamble Co. ..................................... 22,700    2,487,069
 Seagram Ltd. ............................................. 20,000      898,750
 Sysco Corp. .............................................. 10,300      407,494
                                                                   ------------
                                                                     25,304,726
                                                                   ------------
Energy (3.5%)
 Atlantic Richfield Co. ................................... 10,600      916,900
 Chevron Corp. ............................................ 10,900      944,212
 Coastal Corp. ............................................ 14,000      496,125
 Exxon Mobil Corp. ........................................ 42,900    3,456,131
 Halliburton Holdings Co. ................................. 37,000    1,489,250
 Royal Dutch Petroleum Co. N.Y. ........................... 36,400    2,199,925
 Transocean Sedco Forex, Inc. .............................  9,544      321,530
 Schlumberger, Ltd. ....................................... 49,300    2,773,125
                                                                   ------------
                                                                     12,597,198
                                                                   ------------
Financial (7.0%)
 American Express Co. ..................................... 28,500    4,738,125
 American Int'l. Group, Inc. .............................. 25,400    2,746,375
</TABLE>
- -------
* Non-income producing security.
<TABLE>
<CAPTION>
                                                            Shares    Value
                                                            ------ ------------
<S>                                                         <C>    <C>

COMMON STOCKS (Continued):
Financial (Continued)
 Bank of New York, Inc. ................................... 30,200 $  1,208,000
 Chase Manhattan Corp. .................................... 36,900    2,866,669
 Citigroup, Inc. .......................................... 51,350    2,853,134
 FleetBoston Financial Corp. .............................. 46,700    1,625,744
 MGIC Investment Corp. .................................... 43,100    2,594,081
 State Street Corp. ....................................... 26,200    1,914,238
 Suntrust Banks, Inc. ..................................... 32,700    2,250,169
 Wells Fargo & Company..................................... 62,100    2,511,169
                                                                   ------------
                                                                     25,307,704
                                                                   ------------
Industrial (3.2%)
 AES Corp.*................................................ 45,500    3,401,125
 Applied Materials, Inc.*.................................. 29,400    3,724,612
 Illinois Tool Works, Inc. ................................ 10,700      722,919
 KLA-Tencor Corp.*......................................... 22,600    2,517,075
 Parker-Hannifin Corp. .................................... 21,400    1,098,087
                                                                   ------------
                                                                     11,463,818
                                                                   ------------
Technology (24.6%)
 Alltel Corp. ............................................. 40,400    3,340,575
 Amgen, Inc.*.............................................. 65,000    3,904,062
 Analog Devices, Inc.*..................................... 18,200    1,692,600
 AT&T Corp. ............................................... 59,350    3,012,013
 BMC Software, Inc.*....................................... 27,800    2,222,262
 Cisco Systems, Inc.*...................................... 56,800    6,084,700
 Comcast Corp. Cl A*....................................... 71,400    3,610,162
 Dell Computer Corp.*...................................... 54,800    2,794,800
 EMC Corp.*................................................ 40,900    4,468,325
 Gateway, Inc.*............................................ 40,000    2,882,500
 Intel Corp. .............................................. 59,300    4,881,131
 International Business Machines Corp. .................... 38,500    4,158,000
 Lucent Technologies....................................... 55,500    4,152,094
 Micron Technology, Inc.*.................................. 21,300    1,656,075
 Microsoft Corp.*.......................................... 94,900   11,079,575
 Millipore Corp............................................ 61,900    2,390,888
 Network Appliance, Inc.*.................................. 20,000    1,661,250
 Nortel Networks Corp...................................... 43,400    4,383,400
 Oracle Corp.*............................................. 54,700    6,129,819
 Qualcomm, Inc.*........................................... 34,000    5,992,500
 Scientific-Atlanta, Inc................................... 20,800    1,157,000
 Solectron Corp.*.......................................... 33,800    3,215,225
 Sun Microsystems, Inc.*................................... 16,200    1,254,488
 Texas Instruments, Inc. .................................. 31,000    3,003,125
                                                                   ------------
                                                                     89,126,569
                                                                   ------------
Utilities (4.2%)
 Bell Atlantic Corp........................................ 30,500    1,877,656
 CenturyTel, Inc. ......................................... 32,800    1,553,900
 Eastern Enterprises....................................... 11,700      672,019
 El Paso Energy Corp. ..................................... 14,500      562,781
 Global Crossing Ltd.*..................................... 36,300    1,815,000
 MCI WorldCom, Inc.*....................................... 44,400    2,355,975
 Nextel Communications, Inc.*.............................. 34,700    3,578,438
 SBC Communications, Inc................................... 60,700    2,959,125
                                                                   ------------
                                                                     15,374,894
                                                                   ------------
Total Common Stocks
 (Cost: $168,593,139) 63.9%.......................................  231,251,836
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       62
<PAGE>

           MUTUAL OF AMERICA INVESTMENT CORPORATION (COMPOSITE FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                          Face
                                      Rate   Maturity    Amount       Value
                                      -----  -------- ------------ ------------
<S>                                   <C>    <C>      <C>          <C>
LONG-TERM DEBT SECURITIES:
Agencies/Other Governments (12.9%)
 Connecticut Housing Fin. Auth.......  7.63% 05/15/21 $  1,000,000 $    950,020
 FHLB................................  0.00  07/07/17   25,000,000    5,937,500
 FHLB................................  0.00  07/14/17   25,000,000    5,929,750
 FHLMC...............................  8.00  07/15/06      187,312      190,180
 FHLMC...............................  7.63  09/09/09    2,500,000    2,469,150
 FNMA................................  7.00  11/25/05      844,212      842,101
 FNMA................................  6.65  01/25/17       75,154       74,825
 FNMA................................ 10.00  07/13/17   100,000,00   23,719,000
 FNMA................................  6.50  07/25/20      412,274      410,213
 New York City.......................  0.00  08/01/05      500,000      541,609
 New York City.......................  9.50  06/01/09    2,000,000    2,129,352
 Republic of Iceland.................  6.13  02/01/04    2,500,000    2,387,900
 Suffolk County, New York............  5.80  11/01/04      250,000      244,630
 Suffolk County, New York............  5.88  11/01/05      750,000      730,286
                                                                   ------------
                                                                     46,556,516
                                                                   ------------
Basic Materials (3.1%)
 Arco Chemical Co. .................. 10.25  11/01/10    2,500,000    2,468,575
 Georgia-Pacific Group...............  8.63  04/30/25    2,000,000    1,962,820
 Inco Ltd. ..........................  9.60  06/15/22    2,500,000    2,422,175
 Millennium America Inc. ............  7.63  11/15/26    2,500,000    2,079,200
 Praxair, Inc. ......................  6.90  11/01/06    2,500,000    2,362,050
                                                                   ------------
                                                                     11,294,820
                                                                   ------------
Consumer, Cyclical (3.6%)
 Centex Corp. .......................  7.38  06/01/05    2,000,000    1,904,780
 Fruit of the Loom, Inc. ............  7.00  03/15/11    1,000,000      225,000
 Fruit of the Loom, Inc. ............  7.38  11/15/23      500,000      172,500
 Gannett Co., Inc. ..................  5.85  05/01/00    1,000,000      999,110
 Neiman-Marcus Group, Inc. ..........  7.13  06/01/28    2,500,000    2,054,975
 Polaroid Corp. .....................  7.25  01/15/07    1,000,000      852,460
 Pulte Corp. ........................  7.63  10/15/17    2,500,000    2,130,250
 Shopko Stores, Inc. ................  9.00  11/15/04    1,000,000    1,042,110
 Tommy Hilfiger USA, Inc. ...........  6.50  06/01/03    2,850,000    2,702,683
 Venator Group, Inc. ................  7.00  10/15/02    1,000,000      910,000
                                                                   ------------
                                                                     12,993,868
                                                                   ------------
Consumer, Non-Cyclical (3.4%)
 Aventis.............................  7.75  01/15/02    1,000,000    1,000,310
 Bausch & Lomb, Inc. ................  6.38  08/01/03    2,500,000    2,422,475
 Bausch & Lomb, Inc. ................  6.75  12/15/04    2,500,000    2,394,525
 Kellwood Co. .......................  7.88  07/15/09    2,500,000    2,279,550
 Ralston Purina Co. .................  8.63  02/15/22    2,500,000    2,511,150
 Supervalu, Inc. ....................  8.88  11/15/22    1,500,000    1,576,815
                                                                   ------------
                                                                     12,184,825
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       63
<PAGE>

           MUTUAL OF AMERICA INVESTMENT CORPORATION (COMPOSITE FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                         Face
                                     Rate   Maturity    Amount       Value
                                     -----  -------- ------------ ------------
<S>                                  <C>    <C>      <C>          <C>
LONG-TERM DEBT SECURITIES
 (Continued):
Energy (2.0%)
 Southern Union Co. ................  7.60% 02/01/24 $  5,000,000 $  4,664,800
 Tosco Corp. .......................  8.25  05/15/03    2,500,000    2,545,625
                                                                  ------------
                                                                     7,210,425
                                                                  ------------
Financial (5.1%)
 Berkley (W.R.) Corp. ..............  8.70  01/01/22    1,500,000    1,471,620
 Chase Manhattan Corp. .............  6.88  12/12/12    2,500,000    2,408,525
 Executive Risk, Inc. ..............  7.13  12/15/07    1,000,000      960,970
 Fairfax Financial Holdings, Ltd. ..  8.25  10/01/15      500,000      440,440
 First American Financial...........  7.55  04/01/28    2,250,000    1,928,970
 Freemont General Corp. ............  7.70  03/17/04    1,500,000    1,298,430
 Harleysville Group Inc. ...........  6.75  11/15/03    1,000,000      964,760
 Lehman Brothers Holdings, Inc. ....  0.00  07/28/28    3,250,000      286,683
 Morgan (J.P.) & Co., Inc. .........  0.00  04/15/27   10,000,000      964,500
 Nationwide Health Properties.......  7.90  11/20/06    5,000,000    4,325,100
 Progressive Corp. of Ohio.......... 10.00  12/15/00      500,000      513,725
 Prudential Home Mtge. Secs. Co. ...  6.75  08/25/08      127,860      127,220
 SunAmerica, Inc. ..................  9.95  02/01/12    2,000,000    2,368,280
 Vesta Insurance Group, Inc. .......  8.75  07/15/25    1,000,000      651,080
                                                                  ------------
                                                                    18,710,303
                                                                  ------------
Industrial (1.9%)
 Clark Equipment Co. ...............  8.35  05/15/23    1,500,000    1,546,500
 Geon Co. ..........................  7.50  12/15/15    1,000,000      911,060
 Owens Corning......................  7.00  03/15/09    1,500,000    1,319,955
 Thermo Electron Corp. .............  4.25  01/01/03    2,500,000    2,109,375
 Williams Cos., Inc. ...............  6.50  11/15/02    1,000,000      976,000
                                                                  ------------
                                                                     6,862,890
                                                                  ------------
Utilities (1.6%)
 Central Telephone Co. .............  9.28  11/27/00    1,000,000    1,023,580
 New Orleans Public Service.........  8.00  03/01/06    1,000,000    1,006,770
 Pacific Gas & Electric Co. ........  8.75  01/01/01    1,000,000    1,018,260
 UtiliCorp United, Inc. ............  8.00  03/01/23    3,000,000    2,932,890
                                                                  ------------
                                                                     5,981,500
                                                                  ------------
Total Long-Term Debt Securities
(Cost: $130,349,543) 33.6%......................................   121,795,147
                                                                  ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       64
<PAGE>

           MUTUAL OF AMERICA INVESTMENT CORPORATION (COMPOSITE FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                         Rate  Maturity   Amount      Value
                                         ----  -------- ---------- ------------
<S>                                      <C>   <C>      <C>        <C>
SHORT-TERM DEBT SECURITIES:
Commercial Paper: (2.5%)
 Exxon Asset Management Corp............ 6.27% 01/05/00 $3,646,000 $  3,643,458
 Panasonic Finance, Inc................. 2.45  01/04/00  3,425,000    3,424,301
 UBS Finance (Delw.) Inc................ 4.00  01/03/00  1,928,000    1,927,571
                                                                   ------------
Total Short-Term Debt Securities
 (Cost: $8,995,330) (2.5%).......................................     8,995,330
                                                                   ------------
Total Investments
 (Cost: $307,938,012)............................................  $362,042,313
                                                                   ============
</TABLE>
- -------
Abbreviations: FHLB = Federal Home Loan Bank
         FHLMC = Federal Home Loan Mortgage Corporation
         FNMA = Federal National Mortgage Association

   The accompanying notes are an integral part of these financial statements.

                                       65
<PAGE>

       MUTUAL OF AMERICA INVESTMENT CORPORATION (AGGRESSIVE EQUITY FUND)
                     PORTFOLIO OF INVESTMENTS IN SECURITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

COMMON STOCKS:
Consumer, Cyclical (17.7%)
 Ann Taylor Stores Corp.*.................................  56,000 $  1,928,500
 BJ's Wholesale Club, Inc.*...............................  75,000    2,737,500
 Cheesecake Factory, Inc.*................................  69,900    2,446,500
 Citadel Communications, Corp.*...........................  52,000    3,373,500
 Emmis Communications Cl A*...............................  35,000    4,362,421
 IBasis, Inc.*............................................  80,000    2,300,000
 International Speedway Cl A..............................  55,000    2,770,625
 Lands End, Inc.*.........................................  50,000    1,737,500
 NTL Incorporated*........................................  30,000    3,742,500
 Photronics, Inc.*........................................ 110,000    3,148,750
 Radio One, Inc. Cl A*....................................  48,000    4,416,000
 Trex, Inc.*..............................................  80,000    2,140,000
 True North Communications, Inc. .........................  70,000    3,128,125
 Tiffany & Co. ...........................................  37,800    3,373,650
 Westwood One, Inc.*......................................  52,000    3,952,000
 Young & Rubicam, Inc. ...................................  50,000    3,537,500
                                                                   ------------
                                                                     49,095,071
                                                                   ------------
Consumer, Non-cyclical (4.0%)
 IDEC Pharmaceuticals Corp.*..............................  20,000    1,965,000
 Medimmune, Inc.*.........................................  13,000    2,156,375
 Minimed, Inc.*...........................................  22,000    1,611,500
 Progenics Pharmaceuticals, Inc.*.........................  59,300    2,898,287
 Shire Parmaceuticals Group Plc*..........................  85,000    2,475,625
                                                                   ------------
                                                                     11,106,787
                                                                   ------------
Energy (5.6%)
 Barrett Resources Corp.*.................................  38,000    1,118,625
 Basin Exploration, Inc.*.................................  50,000      881,250
 Devon Energy Corp. ......................................  58,200    1,913,325
 Forest Oil Corp.*........................................ 150,000    1,978,125
 Nabors Industries, Inc.*.................................  65,000    2,010,937
 Newfield Exploration Company*............................  81,000    2,166,750
 Nuevo Energy Co.*........................................ 105,000    1,968,750
 Pride International, Inc.*............................... 150,000    2,193,750
 Weatherford International, Inc.*.........................  37,000    1,477,687
                                                                   ------------
                                                                     15,709,199
                                                                   ------------
Financial (6.2%)
 Arden Realty Group.......................................  75,000    1,504,687
 Boston Properties Inc. ..................................  55,000    1,711,875
 Compass Bancshares, Inc. ................................  58,000    1,294,125
 Cullen Frost Bankers, Inc. ..............................  80,000    2,060,000
 Equity Res. Pptys. Tr. Co. ..............................  45,400    1,938,013
 Kimco Realty Corp. ......................................  45,000    1,524,375
 Mack-Cali Realty Corp. ..................................  58,000    1,511,625
 SL Green Realty Corp. ................................... 102,200    2,222,850
 Spieker Properties., Inc. ...............................  50,000    1,821,875
 Vornado Realty Trust.....................................  50,000    1,625,000
                                                                   ------------
                                                                     17,214,425
                                                                   ------------
Industrial (18.2%)
 Bindview Development Corp.*..............................  68,000    3,378,750
 Celgene Corp.*...........................................  22,000    1,540,000
</TABLE>
- -------
* Non-income producing security
<TABLE>
<CAPTION>
                                                           Shares     Value
                                                           ------- ------------
<S>                                                        <C>     <C>

COMMON STOCKS (Continued):
Consumer, Cyclical (Continued)
 Concord EFS, Inc. .......................................  97,500 $  2,510,625
 CSG Systems Intl., Inc.*.................................  60,000    2,392,500
 Dendrite International, Inc.*............................  97,500    3,302,813
 Dycom Industries, Inc.*..................................  70,000    3,084,375
 eBenx, Inc.*.............................................  95,000    4,298,750
 Exar Corp.*..............................................  62,000    3,650,250
 Forward Air Corporation*................................. 104,400    4,528,350
 Hooper Holmes, Inc. ..................................... 110,000    2,832,500
 MKS Instruments, Inc.*...................................  90,000    3,251,250
 PFSweb, Inc.*............................................  55,000    2,062,500
 PRI Automation, Inc.*....................................  67,000    4,497,375
 Semtech Corp.*...........................................  65,000    3,388,125
 Spartech Corp. ..........................................  80,000    2,580,000
 Veeco Instruments, Inc.*.................................  72,000    3,370,500
                                                                   ------------
                                                                     50,668,663
                                                                   ------------
Technology (37.6%)
 Applied Micro Circuits, Corp.*...........................  44,200    5,624,450
 Aspect Development, Inc.*................................  55,000    3,767,500
 Atmel Corp.*............................................. 114,000    3,370,125
 CDW Computers Centers, Inc.*.............................  54,000    4,245,750
 Cypress Semiconductor Corp. ............................. 115,000    3,723,125
 Cytyc Corporation*.......................................  60,000    3,663,750
 Documentum, Inc.*........................................  70,000    4,191,250
 Integrated Device Tech., Inc.*........................... 125,000    3,625,000
 Legato Systems, Inc.*....................................  86,300    5,938,518
 Linear Technology Corp...................................  49,000    3,506,562
 Maxim Integrated Products, Inc.*.........................  86,000    4,058,125
 Medicalogic, Inc.*.......................................  35,000      735,000
 Mercury Interactive Corp.*...............................  45,000    4,857,187
 Millipore Corp. .........................................  80,000    3,090,000
 Mission Critical Software, Inc.*.........................  64,000    4,480,000
 National Instruments Corp.*.............................. 150,000    5,737,500
 Networks Associates, Inc.*............................... 127,000    3,389,312
 Novellus Systems, Inc.*..................................  54,000    6,616,690
 Peregrine Systems, Inc.*.................................  80,000    6,735,000
 Quest Software, Inc.*....................................  52,300    5,334,600
 RSA Security, Inc.*......................................  60,000    4,650,000
 Verity Inc.*.............................................  57,000    2,426,062
 Visual Networks, Inc.*...................................  70,000    5,547,500
 Xilinx, Inc.*............................................ 116,000    5,274,380
                                                                   ------------
                                                                    104,587,386
                                                                   ------------
Utilities (7.1%)
 Montana Pwr. Co. ........................................  60,000    2,163,750
 Price Communications Corp.*.............................. 108,535    3,018,629
 Rural Cellular Corp. Cl A*...............................  75,000    6,787,500
 Voicestream Wireless Corp.*..............................  31,300    4,454,381
 Western Wireless Corp. Cl A*.............................  49,000    3,270,750
                                                                   ------------
                                                                     19,695,010
                                                                   ------------
Total Common Stocks
 (Cost: $177,301,179) 96.4%.......................................  268,076,541
                                                                   ------------
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       66
<PAGE>

       MUTUAL OF AMERICA INVESTMENT CORPORATION (AGGRESSIVE EQUITY FUND)
               PORTFOLIO OF INVESTMENTS IN SECURITIES (Continued)
                               December 31, 1999

<TABLE>
<CAPTION>
                                                           Face
                                         Rate  Maturity   Amount      Value
                                         ----  -------- ---------- ------------
<S>                                      <C>   <C>      <C>        <C>
SHORT-TERM DEBT SECURITIES:
Agency (1.2%)
 Federal Home Loan Bank................. 4.00% 01/05/00 $3,390,000 $  3,388,493
                                                                   ------------
Commercial Paper (2.4%)
 General Electric Capital Corp.......... 6.52  01/18/00    715,000      712,795
 UBS Finance (Delw.) Inc................ 4.00  01/03/00  5,870,000    5,868,695
                                                                   ------------
                                                                      6,581,490
                                                                   ------------
Total Short-Term Debt Securities
 (Cost: $9,969,983) 3.6%.........................................     9,969,983
                                                                   ------------
Total Investments
 (Cost: $187,271,162) 100.0%.....................................  $278,046,524
                                                                   ============
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       67
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                      STATEMENT OF ASSETS AND LIABILITIES
                               December 31, 1999

<TABLE>
<CAPTION>
                                                                  Mid-Cap
                         Money Market All America  Equity Index Equity Index     Bond
                             Fund         Fund         Fund         Fund         Fund
                         ------------ ------------ ------------ ------------ ------------
<S>                      <C>          <C>          <C>          <C>          <C>
Assets:
Investments at market
 value
 (Cost:
 Money Market Fund --
   $73,577,397
 All America Fund --
   $453,350,896
 Equity Index Fund --
   $380,440,931
 Mid-Cap Equity Index Fund --
   $32,076,600
 Bond Fund --
   $485,618,211)
 (Notes 1 and 3)........ $73,577,397  $885,432,666 $582,744,344 $33,907,069  $458,624,224
Cash....................       3,059     1,448,086        4,520       5,022           627
Interest and dividends
 receivable.............          --       729,376      520,910      20,449     7,651,827
Receivable for
 securities sold........          --     1,118,055        1,940      16,794        15,643
                         -----------  ------------ ------------ -----------  ------------
Total Assets............  73,580,456   888,728,183  583,271,714  33,949,334   466,292,321
Payable for securities
 purchased..............          --     3,084,677        2,450       2,200            --
                         -----------  ------------ ------------ -----------  ------------
Net Assets.............. $73,580,456  $885,643,506 $583,269,264 $33,947,134  $466,292,321
                         ===========  ============ ============ ===========  ============
Number of Shares
 Outstanding (Note 4)...  62,006,561   262,964,326  202,461,950  30,624,655   359,474,812
                         ===========  ============ ============ ===========  ============
Net Asset Values,
 offering and
 redemption price per
 share..................       $1.19         $3.37        $2.88       $1.11         $1.30
                               =====         =====        =====       =====         =====
</TABLE>

<TABLE>
<CAPTION>
                          Short-Term   Mid-Term    Composite   Aggressive Equity
                           Bond Fund   Bond Fund      Fund           Fund
                          ----------- ----------- ------------ -----------------
<S>                       <C>         <C>         <C>          <C>
Assets:
Investments at market
 value
 (Cost:
 Short-Term Bond Fund --
   $12,339,372
 Mid-Term Bond Fund --
   $13,467,436
 Composite Fund --
   $307,938,012
 Aggressive Equity
  Fund -- $187,271,162)
 (Notes 1 and 3)........  $12,233,214 $12,983,997 $362,042,313   $278,046,524
Cash....................        1,781       1,898        2,417          9,478
Interest and dividends
 receivable.............       81,384     197,688    1,812,538        211,880
Receivable for
 securities sold........       23,803          --           --             --
                          ----------- ----------- ------------   ------------
Total Assets............   12,340,182  13,183,583  363,857,268    278,267,882
Payable for securities
 purchased..............           --          --           --             --
                          ----------- ----------- ------------   ------------
Net Assets..............  $12,340,182 $13,183,583 $363,857,268   $278,267,882
                          =========== =========== ============   ============
Number of Shares
 Outstanding (Note 4)...   12,432,168  15,216,140  190,970,810    128,747,734
                          =========== =========== ============   ============
Net Asset Values,
 offering and redemption
 price per share........        $0.99       $0.87        $1.91          $2.16
                                =====       =====        =====          =====
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       68
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                            STATEMENT OF OPERATIONS

                   For the Year Ended December 31, 1999

<TABLE>
<CAPTION>
                                                                      Mid-Cap
                             Money Market All America  Equity Index Equity Index
                                 Fund         Fund         Fund        Fund*
                             ------------ ------------ ------------ ------------
<S>                          <C>          <C>          <C>          <C>
Investment Income and
 Expenses:
Income:
 Dividends.................   $       --  $  8,697,430 $ 6,277,262   $  159,226
 Interest..................    3,568,525       944,641   1,137,790      135,633
                              ----------  ------------ -----------   ----------
Total income...............    3,568,525     9,642,071   7,415,052      294,859
                              ----------  ------------ -----------   ----------
Expenses:
 Investment advisory fees
  (Note 2).................      171,989     3,926,185     635,398       18,878
                              ----------  ------------ -----------   ----------
Net Investment Income......    3,396,536     5,715,886   6,779,654      275,981
                              ----------  ------------ -----------   ----------
Net Realized and Unrealized
 Gain
 (Loss) on Investments
  (Note 1):
Net realized gain (loss) on
 investments...............       (3,777)   77,162,086   9,635,146      722,209
Net unrealized appreciation
 (depreciation) of
 investments...............           --   102,305,846  79,320,773    1,830,469
                              ----------  ------------ -----------   ----------
Net Realized and Unrealized
 Gain (Loss) on
 Investments...............       (3,777)  179,467,932  88,955,919    2,552,678
                              ----------  ------------ -----------   ----------
Net Increase (Decrease) in
 Net Assets Resulting from
 Operations................   $3,392,759  $185,183,818 $95,735,573   $2,828,659
                              ==========  ============ ===========   ==========
</TABLE>

<TABLE>
<CAPTION>
                              Bond      Short-Term  Mid-Term    Composite  Aggressive Equity
                              Fund      Bond Fund   Bond Fund     Fund           Fund
                          ------------  ----------  ---------  ----------- -----------------
<S>                       <C>           <C>         <C>        <C>         <C>
Investment Income and
 Expenses:
Income:
 Dividends..............  $         --  $       --  $      --  $ 2,190,802    $ 1,273,286
 Interest...............    35,082,080   1,017,505    862,963   10,516,980        473,988
                          ------------  ----------  ---------  -----------    -----------
Total income............    35,082,080   1,017,505    862,963   12,707,782      1,747,274
                          ------------  ----------  ---------  -----------    -----------
Expenses:
 Investment advisory
  fees (Note 2).........     2,304,779      84,855     68,963    1,705,660      1,732,320
                          ------------  ----------  ---------  -----------    -----------
Net Investment Income...    32,777,301     932,650    794,000   11,002,122         14,954
                          ------------  ----------  ---------  -----------    -----------
Net Realized and
 Unrealized Gain
 (Loss) on Investments:
Net realized gain (loss)
 on investments.........      (732,183)    (79,368)     2,624   16,247,481     21,546,315
Net unrealized
 appreciation
 (depreciation) of
 investments............   (40,950,914)   (141,958)  (606,489)  21,612,218     59,604,813
                          ------------  ----------  ---------  -----------    -----------
Net Realized and
 Unrealized Gain
 (Loss) on Investments..   (41,683,097)   (221,326)  (603,865)  37,859,699     81,151,128
                          ------------  ----------  ---------  -----------    -----------
Net Increase (Decrease)
 in Net Assets Resulting
 from Operations........  $ (8,905,796) $  711,324  $ 190,135  $48,861,821    $81,166,082
                          ============  ==========  =========  ===========    ===========
</TABLE>
- -------
* Commenced operations May 3, 1999.

   The accompanying notes are an integral part of these financial statements.

                                       69
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                      STATEMENTS OF CHANGES IN NET ASSETS
                        For the Years Ended December 31,

<TABLE>
<CAPTION>
                             Money Market Fund          All America Fund            Equity Index Fund
                          ------------------------  --------------------------  ---------------------------
                             1999         1998          1999          1998          1999           1998
                          -----------  -----------  ------------  ------------  -------------  ------------
<S>                       <C>          <C>          <C>           <C>           <C>            <C>
Increase (Decrease) in
 Net Assets:
From Operations:
 Net investment income..  $ 3,396,536  $ 3,644,306  $  5,715,886  $  6,005,853  $   6,779,654  $  5,167,556
 Net realized gain
  (loss) on investments.       (3,777)      (1,091)   77,162,086    75,028,110      9,635,146     4,309,294
 Unrealized appreciation
  (depreciation) of
  investments...........           --           --   102,305,846    51,132,012     79,320,773    72,664,856
                          -----------  -----------  ------------  ------------  -------------  ------------
Net Increase (Decrease)
 in Net Assets Resulting
 from Operations........    3,392,759    3,643,215   185,183,818   132,165,975     95,735,573    82,141,706
                          -----------  -----------  ------------  ------------  -------------  ------------
Capital Share
 Transactions (Note 4):
 Net proceeds from sale
  of shares.............   77,687,366   49,564,634    83,233,506     8,745,724    225,737,689   111,027,460
 Dividends reinvested...    3,399,058    3,649,927    66,717,511    87,022,298     15,035,198    31,568,403
 Cost of shares
  redeemed..............  (88,269,347) (39,940,229) (115,122,933) (108,090,679)  (148,970,349)  (19,365,681)
 Dividend distributions.   (3,399,058)  (3,649,927)  (66,717,511)  (87,022,298)   (15,035,198)  (31,568,403)
                          -----------  -----------  ------------  ------------  -------------  ------------
Net Increase (Decrease)
 in Net Assets From
 Capital Share
 Transactions...........  (10,581,981)   9,624,405   (31,889,427)  (99,344,955)    76,767,340    91,661,779
                          -----------  -----------  ------------  ------------  -------------  ------------
Increase (Decrease) in
 Net Assets.............   (7,189,222)  13,267,620   153,294,391    32,821,020    172,502,913   173,803,485
Net Assets, Beginning of
 Year...................   80,769,678   67,502,058   732,349,115   699,528,095    410,766,351   236,962,866
                          -----------  -----------  ------------  ------------  -------------  ------------
Net Assets, End of Year.  $73,580,456  $80,769,678  $885,643,506  $732,349,115  $ 583,269,264  $410,766,351
                          ===========  ===========  ============  ============  =============  ============
Components of Net
 Assets:
 Paid-in capital........  $73,472,727  $80,655,650  $438,886,510  $404,058,426  $ 389,567,592  $297,765,055
 Accumulated
  undistributed net
  investment income
  (loss)................      122,339      124,861    (2,856,016)     (368,798)        92,482        25,162
 Accumulated
  undistributed net
  realized gain (loss)
  on investments........      (14,610)     (10,833)   17,531,242    (1,116,437)    (8,694,223)  (10,006,505)
 Unrealized appreciation
  (depreciation) of
  investments...........           --           --   432,081,770   329,775,924    202,303,413   122,982,639
                          -----------  -----------  ------------  ------------  -------------  ------------
Net Assets, End of Year.  $73,580,456  $80,769,678  $885,643,506  $732,349,115  $ 583,269,264  $410,766,351
                          ===========  ===========  ============  ============  =============  ============
</TABLE>

<TABLE>
<CAPTION>
                          Mid-Cap Equity                                    Short-Term
                            Index Fund           Bond Fund                   Bond Fund
                          -------------- ---------------------------  ------------------------
                              1999*          1999           1998         1999         1998
                          -------------- -------------  ------------  -----------  -----------
<S>                       <C>            <C>            <C>           <C>          <C>
Increase (Decrease) in
 Net Assets:
From Operations:
 Net investment income..   $    275,981  $  32,777,301  $ 30,222,400  $   932,650  $ 1,002,162
 Net realized gain
  (loss) on investments.        722,209       (732,183)      747,807      (79,368)      15,002
 Unrealized appreciation
  (depreciation) of
  investments...........      1,830,469    (40,950,914)      (41,522)    (141,958)     (22,056)
                           ------------  -------------  ------------  -----------  -----------
Net Increase (Decrease)
 in Net Assets Resulting
 From Operations........      2,828,659     (8,905,796)   30,928,685      711,324      995,108
                           ------------  -------------  ------------  -----------  -----------
Capital Share
 Transactions (Note 4):
 Net proceeds from sale
  of shares.............     52,496,765     74,048,382    52,595,906    3,737,066    8,314,584
 Dividends reinvested...        270,989     33,494,780    31,972,263      925,610    1,010,825
 Cost of shares
  redeemed..............    (21,378,290)   (64,179,257)  (31,900,498) (14,083,396)  (1,975,185)
 Dividend distributions.       (270,989)   (33,494,780)  (31,972,263)    (925,610)  (1,010,825)
                           ------------  -------------  ------------  -----------  -----------
Net Increase (Decrease)
 in Net Assets From
 Capital Share
 Transactions...........     31,118,475      9,869,125    20,695,408  (10,346,330)   6,339,399
                           ------------  -------------  ------------  -----------  -----------
Increase (Decrease) in
 Net Assets.............     33,947,134        963,329    51,624,093   (9,635,006)   7,334,507
Net Assets, Beginning of
 Period/year............             --    465,328,992   413,704,899   21,975,188   14,640,681
                           ------------  -------------  ------------  -----------  -----------
Net Assets, End of Year.   $ 33,947,134  $ 466,292,321  $465,328,992  $12,340,182  $21,975,188
                           ============  =============  ============  ===========  ===========
Components of Net
 Assets:
 Paid-in capital........   $ 31,389,464  $ 499,614,288  $456,250,383  $12,512,551  $21,933,271
 Accumulated
  undistributed net
  investment income
  (loss)................          4,992       (791,947)     (876,674)      20,265       13,225
 Accumulated
  undistributed net
  realized gain (loss)
  on investments........        722,209     (5,536,033)   (4,001,644)     (86,476)      (7,108)
 Unrealized appreciation
  (depreciation) of
  investments...........      1,830,469    (26,993,987)   13,956,927     (106,158)      35,800
                           ------------  -------------  ------------  -----------  -----------
Net Assets, End of Year.   $ 33,947,134  $ 466,292,321  $465,328,992  $12,340,182  $21,975,188
                           ============  =============  ============  ===========  ===========
</TABLE>
- -------
* Commenced operations May 3, 1999.

   The accompanying notes are an integral part of these financial statements.

                                       70
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                      STATEMENTS OF CHANGES IN NET ASSETS
                        For the Years Ended December 31,

<TABLE>
<CAPTION>
                                 Mid-Term
                                 Bond Fund               Composite Fund          Aggressive Equity Fund
                          ------------------------  --------------------------  --------------------------
                             1999         1998          1999          1998          1999          1998
                          -----------  -----------  ------------  ------------  ------------  ------------
<S>                       <C>          <C>          <C>           <C>           <C>           <C>
Increase (Decrease) in
 Net Assets:
From Operations:
 Net investment income..  $   794,000  $   790,160  $ 11,002,122  $ 11,772,545  $     14,954  $    425,336
 Net realized gain
  (loss) on investments.        2,624       84,974    16,247,481     3,264,030    21,546,315   (23,621,835)
 Unrealized appreciation
  (depreciation) of
  investments...........     (606,489)     (37,685)   21,612,218    28,079,557    59,604,813     9,581,686
                          -----------  -----------  ------------  ------------  ------------  ------------
Net Increase (Decrease)
 in Net Assets Resulting
 from Operations........      190,135      837,449    48,861,821    43,116,132    81,166,082   (13,614,813)
                          -----------  -----------  ------------  ------------  ------------  ------------
Capital Share
 Transactions (Note 4):
 Net proceeds from sale
  of shares.............    3,463,522    5,884,740    12,591,610     2,920,925    52,349,524    15,703,714
 Dividends reinvested...      803,987      805,870    25,503,136    14,045,609        14,891     1,800,942
 Cost of shares
  redeemed..............   (5,900,378)  (5,938,423)  (33,797,510)  (14,612,177)  (60,660,553)  (84,056,916)
 Dividend distributions.     (803,987)    (805,870)  (25,503,136)  (14,045,609)      (14,891)   (1,800,942)
                          -----------  -----------  ------------  ------------  ------------  ------------
Net Increase (Decrease)
 in Net Assets from
 Capital Share
 Transactions...........   (2,436,856)     (53,683)  (21,205,900)  (11,691,252)   (8,311,029)  (68,353,202)
                          -----------  -----------  ------------  ------------  ------------  ------------
Increase (Decrease) in
 Net Assets.............   (2,246,721)     783,766    27,655,921    31,424,880    72,855,053   (81,968,015)
Net Assets, Beginning of
 Year...................   15,430,304   14,646,538   336,201,347   304,776,467   205,412,829   287,380,844
                          -----------  -----------  ------------  ------------  ------------  ------------
Net Assets, End of Year.  $13,183,583  $15,430,304  $363,857,268  $336,201,347  $278,267,882  $205,412,829
                          ===========  ===========  ============  ============  ============  ============
Components of Net
 Assets:
 Paid-in capital........  $14,915,000  $16,547,869  $311,439,818  $307,142,582  $189,863,312  $198,159,450
 Accumulated
  undistributed net
  investment income
  (loss)................      (64,106)     (54,119)      695,713       761,149       (10,389)      (10,452)
 Accumulated
  undistributed net
  realized gain (loss)
  on investments........   (1,183,872)  (1,186,496)   (2,382,564)   (4,194,467)   (2,360,403)  (23,906,718)
 Unrealized appreciation
  (depreciation) of
  investments...........     (483,439)     123,050    54,104,301    32,492,083    90,775,362    31,170,549
                          -----------  -----------  ------------  ------------  ------------  ------------
Net Assets, End of Year.  $13,183,583  $15,430,304  $363,857,268  $336,201,347  $278,267,882  $205,412,829
                          ===========  ===========  ============  ============  ============  ============
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                       71
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION

                           FINANCIAL HIGHLIGHTS

  Income from investment operations and distributions per share for a fund
share outstanding throughout each of the five years ended December 31, 1999,
(or since the fund's inception date if in existence less than five years) and
other supplementary data with respect to the funds are presented below.

<TABLE>
<CAPTION>
                                                    Money Market Fund
                                              ---------------------------------
                                                Years Ended December 31,
                                              ---------------------------------
                                              1999   1998   1997   1996   1995
                                              -----  -----  -----  -----  -----
<S>                                           <C>    <C>    <C>    <C>    <C>
Net Asset Value, Beginning of Year..........  $1.18  $1.18  $1.19  $1.18  $1.19
                                              -----  -----  -----  -----  -----
Income From Investment Operations:
 Net Investment Income......................   0.06   0.06   0.07   0.06   0.07
Net Gains or (Losses) on Securities realized
 and unrealized.............................     --     --     --     --     --
                                              -----  -----  -----  -----  -----
Total From Investment Operations............   0.06   0.06   0.07   0.06   0.07
                                              -----  -----  -----  -----  -----
Less: Dividend Distributions
 From Net Investment Income.................  (0.05) (0.06) (0.08) (0.05) (0.08)
                                              -----  -----  -----  -----  -----
Total Distributions.........................  (0.05) (0.06) (0.08) (0.05) (0.08)
                                              -----  -----  -----  -----  -----
Net Asset Value, End of Year................  $1.19  $1.18  $1.18  $1.19  $1.18
                                              =====  =====  =====  =====  =====
Total Return (%)............................    5.1    5.4    5.5    5.3    5.8
Net Assets, End of Year ($ millions)........     74     81     68     78     73
Ratio of Expenses to Average Net Assets (%).   0.25   0.25   0.25   0.25   0.25
Ratio of Net Investment Income to Average
 Net Assets (%).............................   4.93   5.26   5.32   5.21   5.66
Portfolio Turnover Rate(a)..................    N/A    N/A    N/A    N/A    N/A
</TABLE>
- -------
(a) Portfolio turnover rate excludes all short-term securities.
N/A=Not Applicable

                                       72
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                        FINANCIAL HIGHLIGHTS (Continued)

<TABLE>
<CAPTION>
                                                    All America Fund
                                              ---------------------------------
                                                Years Ended December 31,
                                              ---------------------------------
                                              1999   1998   1997   1996   1995
                                              -----  -----  -----  -----  -----
<S>                                           <C>    <C>    <C>    <C>    <C>
Net Asset Value, Beginning of Year..........  $2.90  $2.71  $2.44  $2.13  $1.61
                                              -----  -----  -----  -----  -----
Income From Investment Operations:
 Net Investment Income......................   0.02   0.03   0.03   0.03   0.03
 Net Gains or (Losses) on Securities
  realized and unrealized...................   0.72   0.54   0.62   0.41   0.56
                                              -----  -----  -----  -----  -----
Total From Investment Operations............   0.74   0.57   0.65   0.44   0.59
                                              -----  -----  -----  -----  -----
Less Dividend Distributions:
 From Net Investment Income.................  (0.03) (0.03) (0.03) (0.03) (0.03)
 From Capital Gains.........................  (0.24) (0.35) (0.35) (0.10) (0.04)
                                              -----  -----  -----  -----  -----
Total Distributions.........................  (0.27) (0.38) (0.38) (0.13) (0.07)
                                              -----  -----  -----  -----  -----
Net Asset Value, End of Year................  $3.37  $2.90  $2.71  $2.44  $2.13
                                              =====  =====  =====  =====  =====
Total Return (%)............................   25.8   21.3   26.8   20.7   36.6
Net Assets, End of Year ($ millions)........    886    732    700    637    533
Ratio of Expenses to Average Net Assets (%).   0.50   0.50   0.50   0.50   0.50
Ratio of Net Investment Income to Average
 Net Assets (%).............................   0.73   0.84   0.98   1.26   1.57
Portfolio Turnover Rate (%)(a)..............  30.03  40.47  28.64  28.35  33.63
</TABLE>
- -------
(a) Portfolio turnover rate excludes all short-term securities.

                                       73
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                        FINANCIAL HIGHLIGHTS (Continued)

<TABLE>
<CAPTION>
                                                                  Mid-Cap Equity
                                     Equity Index Fund            Index Fund (b)
                               ---------------------------------  --------------
                                    Years Ended December 31,
                               -------------------------------------------------
                               1999   1998   1997   1996   1995        1999
                               -----  -----  -----  -----  -----  --------------
<S>                            <C>    <C>    <C>    <C>    <C>    <C>
Net Asset Value, Beginning of
 Year/Period.................  $2.45  $2.08  $1.59  $1.35  $1.02      $1.00
                               -----  -----  -----  -----  -----      -----
Income From Investment
 Operations:
 Net Investment Income.......   0.03   0.03   0.03   0.03   0.02       0.01
Net Gains or (Losses) on
 Securities realized and
 unrealized..................   0.48   0.55   0.50   0.27   0.36       0.11
                               -----  -----  -----  -----  -----      -----
Total From Investment
 Operations..................   0.51   0.58   0.53   0.30   0.38       0.12
                               -----  -----  -----  -----  -----      -----
Less Dividend Distributions:
 From Net Investment Income..  (0.03) (0.03) (0.03) (0.03) (0.03)     (0.01)
 From Capital Gains..........  (0.05) (0.17) (0.01) (0.03) (0.02)        --
                               -----  -----  -----  -----  -----      -----
Total Distributions..........  (0.08) (0.20) (0.04) (0.06) (0.05)     (0.01)
                               -----  -----  -----  -----  -----      -----
Net Asset Value, End of Year.  $2.88  $2.45  $2.08  $1.59  $1.35      $1.11
                               =====  =====  =====  =====  =====      =====
Total Return (%).............   20.6   28.6   33.1   22.7   36.6       11.8
Net Assets, End of Year ($
 millions)...................    583    411    237    102     43         34
Ratio of Expenses to Average
 Net Assets (%)..............   0.13   0.13   0.13   0.13   0.13       0.13 (a)
Ratio of Net Investment
 Income to Average Net Assets
 (%).........................   1.34   1.57   1.86   2.19   2.50       1.70 (a)
Portfolio Turnover Rate
 (%)(c)......................   6.89  11.68  14.17   5.85  13.99      31.67
</TABLE>
- -------
(a) Annualized.
(b) Commenced operations May 3, 1999.
(c) Portfolio turnover rate excludes all short-term securities.

                                       74
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                        FINANCIAL HIGHLIGHTS (Continued)

<TABLE>
<CAPTION>
                                                        Bond Fund
                                              ---------------------------------
                                                Years Ended December 31,
                                              ---------------------------------
                                              1999   1998   1997   1996   1995
                                              -----  -----  -----  -----  -----
<S>                                           <C>    <C>    <C>    <C>    <C>
Net Asset Value, Beginning of Year..........  $1.42  $1.43  $1.38  $1.43  $1.27
                                              -----  -----  -----  -----  -----
Income From Investment Operations:
 Net Investment Income......................   0.10   0.10   0.09   0.09   0.09
Net Gains or (Losses) on Securities realized
 and unrealized.............................  (0.12)    --   0.06  (0.04)  0.16
                                              -----  -----  -----  -----  -----
Total From Investment Operations............  (0.02)  0.10   0.15   0.05   0.25
                                              -----  -----  -----  -----  -----
Less Dividend Distributions:
 From Net Investment Income.................  (0.10) (0.10) (0.09) (0.09) (0.09)
 From Capital Gains.........................     --  (0.01) (0.01) (0.01)    --
                                              -----  -----  -----  -----  -----
Total Distributions.........................  (0.10) (0.11) (0.10) (0.10) (0.09)
                                              -----  -----  -----  -----  -----
Net Asset Value, End of Year................  $1.30  $1.42  $1.43  $1.38  $1.43
                                              =====  =====  =====  =====  =====
Total Return (%)............................   (1.9)   7.2   10.4    3.5   19.4
Net Assets, End of Year ($ millions)........    466    465    414    329    311
Ratio of Expenses to Average Net Assets (%).   0.50   0.50   0.50   0.50   0.50
Ratio of Net Investment Income to Average
 Net Assets (%).............................   7.11   6.73   6.69   6.70   6.64
Portfolio Turnover Rate (%)(a)..............  29.32  21.60  57.71  30.14  41.93
</TABLE>
- -------
(a) Portfolio turnover rate excludes all short-term securities.

                                       75
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                        FINANCIAL HIGHLIGHTS (Continued)

<TABLE>
<CAPTION>
                               Short-Term Bond Fund                 Mid-Term Bond Fund
                          ---------------------------------- -----------------------------------
                             Years Ended December 31,            Years Ended December 31,
                          ---------------------------------- -----------------------------------
                          1999   1998   1997   1996    1995   1999   1998    1997   1996   1995
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
<S>                       <C>    <C>    <C>    <C>    <C>    <C>     <C>    <C>    <C>     <C>
Net Asset Value,
 Beginning of Year......  $1.03  $1.02  $1.03  $1.02  $ 1.00 $ 0.91  $0.90  $ 0.90 $ 1.00  $0.91
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
Income From Investment
 Operations:
 Net Investment Income..   0.09   0.05   0.07   0.04    0.06   0.05   0.05    0.05   0.14   0.06
Net Gains or (Losses) on
 Securities realized and
 unrealized.............  (0.04)  0.01  (0.01)  0.01    0.02  (0.04)  0.01    0.01  (0.10)  0.09
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
Total From Investment
 Operations.............   0.05   0.06   0.06   0.05    0.08   0.01   0.06    0.06   0.04   0.15
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
Less Dividend
 Distributions:
 From Net Investment
  Income................  (0.09) (0.05) (0.07) (0.04) (0.06) (0.05)  (0.05) (0.06) (0.14)  (0.06)
 From Capital Gains.....     --     --     --     --      --     --     --      --     --     --
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
Total Distributions.....  (0.09) (0.05) (0.07) (0.04) (0.06) (0.05)  (0.05) (0.06) (0.14)  (0.06)
                          -----  -----  -----  -----  ------ ------  -----  ------ ------  -----
Net Asset Value, End of
 Year...................  $0.99  $1.03  $1.02  $1.03  $ 1.02 $ 0.87  $0.91  $ 0.90 $ 0.90  $1.00
                          =====  =====  =====  =====  ====== ======  =====  ====== ======  =====
Total Return (%)........    4.2    5.7    6.0    4.9     7.7    1.4    6.4     7.3    3.9   16.3
Net Assets, End of Year
 ($ millions)...........     12     22     15     16       3     13     15      15     13     24
Ratio of Expenses to
 Average Net Assets (%).   0.50   0.50   0.50   0.50    0.48   0.50   0.50    0.50   0.50   0.50
Ratio of Net Investment
 Income to Average Net
 Assets (%).............   5.48   5.46   5.81   5.42    4.65   5.75   5.76    5.87   5.80   5.73
Portfolio Turnover Rate
 (%)(a).................  44.68  91.35  74.95   6.68   16.47  10.28   23.0   12.89 144.55  73.72
</TABLE>
- -------
(a) Portfolio turnover rate excludes all short-term securities.

                                       76
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                        FINANCIAL HIGHLIGHTS (Continued)

<TABLE>
<CAPTION>
                                  Composite Fund                  Aggressive Equity Fund
                          ---------------------------------  ------------------------------------
                             Years Ended December 31,            Years Ended December 31,
                          ---------------------------------  ------------------------------------
                          1999   1998    1997  1996   1995    1999   1998   1997    1996    1995
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
<S>                       <C>    <C>    <C>    <C>    <C>    <C>    <C>     <C>    <C>     <C>
Net Asset Value,
 Beginning of Year......  $1.78  $1.62  $ 1.77 $1.81  $1.57  $ 1.51 $ 1.61  $1.47  $ 1.35   $1.05
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
Income From Investment
 Operations:
 Net Investment Income..   0.06   0.07    0.07  0.07   0.08      --     --   0.01    0.01    0.01
Net Gains or (Losses) on
 Securities realized and
 unrealized.............   0.21   0.17    0.24  0.14   0.27    0.65  (0.09)  0.31    0.36    0.39
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
Total From Investment
 Operations.............   0.27   0.24    0.31  0.21   0.35    0.65  (0.09)  0.32    0.37    0.40
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
Less Dividend
 Distributions:
 From Net Investment
  Income................  (0.06) (0.07) (0.07) (0.08) (0.08)     --     --  (0.01)  (0.01)  (0.01)
 From Capital Gains.....  (0.08) (0.01) (0.39) (0.17) (0.03)     --  (0.01) (0.17)  (0.24)  (0.09)
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
Total Distributions.....  (0.14) (0.08) (0.46) (0.25) (0.11)     --  (0.01) (0.18)  (0.25)  (0.10)
                          -----  -----  ------ -----  -----  ------ ------  -----  ------  ------
Net Asset Value, End of
 Year...................  $1.91  $1.78  $ 1.62 $1.77  $1.81  $ 2.16 $ 1.51  $1.61  $ 1.47   $1.35
                          =====  =====  ====== =====  =====  ====== ======  =====  ======  ======
Total Return (%)........   15.2   14.5    17.7  11.9   21.9    43.3   (5.1)  21.2    27.1    38.2
Net Assets, End of Year
 ($ millions)...........    364    336     305   283    276     278    205    287     136      59
Ratio of Expenses to
 Average Net Assets (%).   0.50   0.50    0.50  0.50   0.50    0.85   0.85   0.85    0.85    0.85
Ratio of Net Investment
 Income to Average Net
 Assets (%).............   3.23   3.68    3.57  3.63   4.30    0.01   0.18   0.33    0.45    0.65
Portfolio Turnover Rate
 (%)(a).................  99.41  73.85  104.04 69.79  76.84  134.62 144.05  80.94  103.68  116.52
</TABLE>
- -------
(a) Portfolio turnover rate excludes all short-term securities.

                                       77
<PAGE>

                   MUTUAL OF AMERICA INVESTMENT CORPORATION

                      NOTES TO FINANCIAL STATEMENTS


1. Significant Accounting Policies and Organization

  Mutual of America Investment Corporation (the "Investment Company") is a
diversified, open-end management investment company -- a type of company
commonly known as a "mutual fund". It is registered as such under the
Investment Company Act of 1940 (the "Investment Company Act"). The Investment
Company was formed on February 21, 1986 as a Maryland corporation and offers
its shares exclusively to separate accounts of Mutual of America Life
Insurance Company ("Mutual of America Life") and Mutual of America Life's
indirect wholly-owned subsidiary, The American Life Insurance Company of New
York ("American Life"). As a "series" type mutual fund, the Investment Company
issues separate classes (or series) of capital stock, each of which represents
a separate Fund of investments. There are currently nine Funds: the Money
Market Fund, the All America Fund, the Equity Index Fund, the Mid-Cap Equity
Index Fund, (commenced operations on May 3, 1999) the Bond Fund, the Short-
Term Bond Fund, the Mid-Term Bond Fund, the Composite Fund, and the Aggressive
Equity Fund.

  Investment Company shares are sold only to Mutual of America Life and
American Life for allocation to their Separate Accounts as a funding medium
for variable annuity and variable life insurance contracts issued by these
companies. As of December 31, 1999, Mutual of America Life owned 97%, and,
American Life 3%, of the Investment Company's aggregate outstanding shares.

  The following is a summary of the significant accounting policies of the
Investment Company:

  Security Valuation -- Investment securities are valued as follows:

  Stocks listed on national security exchanges and certain over-the-counter
  issues quoted on the National Association of Securities Dealers Automated
  Quotation ("NASDAQ") system are valued at the last sale price, or, if no
  sale, at the latest available bid price.

  Debt securities are valued at a composite fair market value "evaluated
  bid," which may be the last sale price. Securities for which market
  quotations are not readily available will be valued at fair value as
  determined in good faith by the Investment Adviser under the direction of
  the Board of Directors of the Investment Company.

  Short-term investments with a maturity of 60 days or less are valued at
  amortized cost, which approximates market value. Short-term debt
  securities, which mature in more than 60 days, are stated at market value.

  Equity-type funds with an indexed portfolio component may, in order to
  remain more fully invested in the equity markets while minimizing
  transaction costs, purchase stock index futures contracts. Initial cash
  margin deposits (represented by cash or Treasury bills) are made upon
  entering into futures contracts. (This initial margin, maintained in a
  segregated account, is equal to approximately 5% of the contract amount,
  and does not involve the borrowing of funds to finance the transaction).
  During the period the futures contract is outstanding, changes in the value
  of the contract are recognized as unrealized gains or losses by "marking-
  to-market" on a daily basis to reflect the market value of the contract at
  the end of each trading day. Futures contracts are valued at the settlement
  price established each day by the exchange on which traded. Depending upon
  whether unrealized gains or losses are incurred, variation margin payments
  are received or made. When the contract is closed, a realized gain or loss
  from futures transactions is recorded, equal to the net variation margin
  received or paid over the period of the contract. The "Underlying Face
  Amount at Value" representing the aggregate of outstanding contractual
  amounts under futures contracts reflects the extent of a Fund's exposure to
  off-balance sheet risk.

                                      78
<PAGE>

                   MUTUAL OF AMERICA INVESTMENT CORPORATION
                   NOTES TO FINANCIAL STATEMENTS (Continued)

1. Significant Accounting Policies and Organization (Continued)

  Security Transactions -- Security transactions are recorded on the trade
date. Realized gains and losses on the sale of short and long-term debt
securities are computed on the basis of amortized cost at the time of sale.
Realized gains and losses on the sale of stock is based on the identified cost
basis of the security, determined on the first-in, first-out ("FIFO") basis.

  Investment Income -- Interest income is accrued as earned. Dividend income
is recorded on the ex-dividend date. Foreign source tax withheld from
dividends is recorded as a reduction from dividend income. Should reclamation
efforts succeed, such amounts are recorded as income upon collection.

  Federal Income Taxes -- The Investment Company intends to comply with the
requirements of the Internal Revenue Code applicable to regulated investment
companies and to distribute substantially all of its taxable income to
shareholders. Therefore, no federal income tax provision is required.

2. Expenses

  The Investment Company has an Investment Advisory Agreement with Mutual of
America Capital Management Corporation ("the Adviser"), an indirect wholly-
owned subsidiary of Mutual of America Life. For providing investment
management services to each of the Funds of the Investment Company, the
Adviser receives a fee, calculated as a daily charge, at the annual rate of
 .25% of the value of the net assets of the Money Market Fund, .50% of the
value of the net assets of the All America Fund, Bond Fund, Short-Term Bond
Fund, Mid-Term Bond Fund and Composite Fund, .125% of the value of the net
assets of the Equity Index Fund and the Mid-Cap Equity Index Fund, and .85% of
the value of the net assets of the Aggressive Equity Fund.

  Under Sub-Advisory Agreements, the Adviser has delegated a portion of its
investment advisory responsibilities for the All America Fund to subadvisers
and pays the subadvisers directly for their investment advisory services. The
Adviser (not the Fund) is responsible for compensation payable under such Sub-
Advisory Agreements.

  The Adviser voluntarily limits the expenses of each Fund, other than for
brokers' commissions, transfer taxes and other fees relating to portfolio
transactions, to the amount of the advisory fee paid by the Funds of the
Investment Company to the Adviser. The Adviser may discontinue this practice
at any time.

  A Sub-Advisor placed a portion of its portfolio transactions with its
affiliated broker-dealer. Such commissions amounted to $129,800 or 7.3% of the
Investment Company's total commissions.

3. Purchases and Sales

  The cost of investment purchases and proceeds from sales of investments,
excluding short-term securities, options and futures for the year ended
December 31, 1999 was as follows:

<TABLE>
<CAPTION>
                                                        Mid-Cap
                            All America  Equity Index Equity Index     Bond
                                Fund         Fund         Fund         Fund
                            ------------ ------------ ------------ ------------
<S>                         <C>          <C>          <C>          <C>
Cost of investment
 purchases................. $229,110,708 $127,561,732 $ 35,194,744 $151,628,748
                            ============ ============ ============ ============
Proceeds from sales of
 investments............... $274,746,407 $ 33,339,329 $  6,440,643 $130,571,443
                            ============ ============ ============ ============
<CAPTION>
                             Short-Term    Mid-Term    Composite    Aggressive
                             Bond Fund    Bond Fund       Fund     Equity Fund
                            ------------ ------------ ------------ ------------
<S>                         <C>          <C>          <C>          <C>
Cost of investment
 purchases................. $  7,132,578 $  3,469,503 $352,144,881 $263,829,753
                            ============ ============ ============ ============
Proceeds from sales of
 investments............... $ 17,056,877 $  1,282,299 $325,906,815 $274,428,281
                            ============ ============ ============ ============
</TABLE>

  The cost of short-term security purchases for the Money Market Fund for the
year was $819,561,530. Net proceeds from sales and redemptions for the year
was $830,187,584.

                                      79
<PAGE>

                    MUTUAL OF AMERICA INVESTMENT CORPORATION
                   NOTES TO FINANCIAL STATEMENTS (Continued)

3. Purchases and Sales (Continued)

  At December 31, 1999 the net unrealized appreciation (depreciation) of
investments based on cost, which was substantially the same for Federal income
tax purposes, was as follows:

<TABLE>
<CAPTION>
                          Money                                 Mid-Cap
                          Market   All America   Equity Index   Equity        Bond
                           Fund        Fund          Fund     Index Fund      Fund
                        ---------- ------------  ------------ ----------- ------------
<S>                     <C>        <C>           <C>          <C>         <C>
Aggregate gross
 unrealized
 appreciation.......... $       -- $454,871,993  $223,151,446 $ 4,914,278 $    904,614
Aggregate gross
 unrealized
 depreciation..........         --   22,790,223    20,848,033   3,083,809   27,898,601
                        ---------- ------------  ------------ ----------- ------------
Net unrealized
 appreciation
 (depreciation)........ $       -- $432,081,770  $202,303,413 $ 1,830,469 $(26,993,987)
                        ========== ============  ============ =========== ============
<CAPTION>
                        Short-Term   Mid-Term     Composite   Aggressive
                        Bond Fund   Bond Fund        Fund     Equity Fund
                        ---------- ------------  ------------ -----------
<S>                     <C>        <C>           <C>          <C>         <C>
Aggregate gross
 unrealized
 appreciation.......... $      496 $      8,302  $ 64,869,458 $99,273,216
Aggregate gross
 unrealized
 depreciation..........    106,654      491,741    10,765,157   8,497,854
                        ---------- ------------  ------------ -----------
Net unrealized
 appreciation
 (depreciation)........ $(106,158) $   (483,439) $ 54,104,301 $90,775,362
                        ========== ============  ============ ===========
</TABLE>

4. Capital Share Activity

  The Investment Company has registered an indefinite number of its capital
shares pursuant to Rule 24f-2 under the Investment Company Act of 1940. Shares
are currently allocated into the nine series of Funds as follows:

<TABLE>
<CAPTION>
      Name of fund                                     Authorized No. of Shares
      ------------                                     ------------------------
<S>                                                    <C>
Money Market Fund.....................................        100,000,000
All America Fund......................................        500,000,000
Equity Index Fund.....................................        275,000,000
Mid-Cap Equity Index Fund.............................        150,000,000
Bond Fund.............................................        425,000,000
Short-Term Bond Fund..................................         50,000,000
Mid-Term Bond Fund....................................         75,000,000
Composite Fund........................................        300,000,000
Aggressive Equity Fund................................        500,000,000
                                                            -------------
  Sub-Total...........................................      2,375,000,000
Shares to be allocated at the discretion of the Board
 of Directors.........................................        625,000,000
                                                            -------------
  Total...............................................      3,000,000,000
                                                            =============
</TABLE>

  Transactions in shares were as follows:

<TABLE>
<CAPTION>
                                                                For the Period
                                                                  May 3, 1999
                                                                 (Commencement
                                                               of Operations) to
                          For the Year Ended December 31, 1999 December 31, 1999
                          ------------------------------------ -----------------
                                          All
                          Money Market  America   Equity Index      Mid-Cap
                              Fund        Fund        Fund     Equity Index Fund
                          ------------ ---------- ------------ -----------------
<S>                       <C>          <C>        <C>          <C>
Shares issued...........   63,634,312  26,871,914  85,556,238     51,089,629
Shares issued to
 shareholders as
 reinvestment of
 dividends..............    2,863,402  19,858,138   5,218,940        244,467
                           ----------  ----------  ----------     ----------
Total...................   66,497,714  46,730,052  90,775,178     51,334,096
Shares redeemed.........   72,686,300  36,650,147  55,873,134     20,709,447
                           ----------  ----------  ----------     ----------
Net increase (decrease).   (6,188,586) 10,079,905  34,902,044     30,624,649
                           ==========  ==========  ==========     ==========
</TABLE>

                                       80
<PAGE>

                   MUTUAL OF AMERICA INVESTMENT CORPORATION
                   NOTES TO FINANCIAL STATEMENTS (Continued)


4. Capital Share Activity (Continued)

<TABLE>
<CAPTION>
                                   For the Year Ended December 31, 1999
                          --------------------------------------------------------
                                                                        Aggressive
                                     Short-Term   Mid-Term   Composite    Equity
                          Bond Fund  Bond Fund   Bond Fund      Fund       Fund
                          ---------- ----------  ----------  ---------- ----------
<S>                       <C>        <C>         <C>         <C>        <C>
Shares issued...........  52,627,528  3,533,532   3,777,841   6,838,024 31,324,123
Shares issued to
 shareholders as
 reinvestment of
 dividends..............  25,821,845    931,780     927,940  13,403,919      6,890
                          ---------- ----------  ----------  ---------- ----------
Total...................  78,449,373  4,465,312   4,705,781  20,241,943 31,331,013
Shares redeemed.........  45,614,884 13,384,219   6,441,747  18,269,859 38,746,093
                          ---------- ----------  ----------  ---------- ----------
Net increase (decrease).  32,834,489 (8,918,907) (1,735,966)  1,972,084 (7,415,074)
                          ========== ==========  ==========  ========== ==========
</TABLE>

<TABLE>
<CAPTION>
                                    For the Year Ended December 31, 1998
                               ------------------------------------------------
                                               All
                               Money Market  America      Equity       Bond
                                   Fund        Fund     Index Fund     Fund
                               ------------ ----------  ----------- -----------
<S>                            <C>          <C>         <C>         <C>
Shares issued................   65,030,676  16,550,567   99,314,538  77,260,563
Shares issued to shareholders
 as reinvestment of
 dividends...................    3,080,576  30,263,002   13,563,464  22,419,396
                                ----------  ----------  ----------- -----------
Total........................   68,111,252  46,813,569  112,878,002  99,679,959
Shares redeemed..............   57,281,015  51,998,029   59,350,065  62,903,436
                                ----------  ----------  ----------- -----------
Net increase (decrease)......   10,830,237  (5,184,460)  53,527,937  36,776,523
                                ==========  ==========  =========== ===========
<CAPTION>
                                    For the Year Ended December 31, 1998
                               ------------------------------------------------
                                Short-Term   Mid-Term    Composite  Aggressive
                                Bond Fund   Bond Fund      Fund     Equity Fund
                               ------------ ----------  ----------- -----------
<S>                            <C>          <C>         <C>         <C>
Shares issued................   11,305,009   9,542,507    9,518,911  46,769,027
Shares issued to shareholders
 as reinvestment of
 dividends...................      981,938     884,933    7,895,857   1,397,187
                                ----------  ----------  ----------- -----------
Total........................   12,286,947  10,427,440   17,414,768  48,166,214
Shares redeemed..............    5,275,226   9,698,201   16,332,231  90,803,686
                                ----------  ----------  ----------- -----------
Net increase (decrease)......    7,011,721     729,239    1,082,537 (42,637,472)
                                ==========  ==========  =========== ===========
</TABLE>

5. Dividends

  On December 31, 1999 dividend distributions were declared for each of the
Funds from net realized gains on investment transactions and net investment
income. Additionally, on September 15, 1999 the remaining required
distributions relating to the 1998 Internal Revenue Sec. 855(a) elections were
declared for each of the Funds and paid on September 15, 1999. All dividend
distributions are immediately reinvested in additional shares of each
respective Fund.

<TABLE>
<CAPTION>
                                                                Mid-Cap
                         Money Market All America   Equity    Equity Index    Bond
                             Fund        Fund     Index Fund      Fund        Fund
                         ------------ ----------- ----------- ------------ -----------
<S>                      <C>          <C>         <C>         <C>          <C>
Net investment income...  $3,399,058  $ 8,203,104 $ 6,712,334  $ 270,989   $32,692,574
Net realized capital
 gains..................          --   58,514,407   8,322,864         --       802,206
                          ----------  ----------- -----------  ---------   -----------
Total dividends.........  $3,399,058  $66,717,511 $15,035,198  $ 270,989   $33,494,780
                          ==========  =========== ===========  =========   ===========
Dividend amounts per
 share..................  $    0.058  $     0.273 $     0.076  $   0.009   $     0.100
                          ==========  =========== ===========  =========   ===========
Increase in number of
 shares per Fund........   2,863,402   19,858,138   5,218,940    244,467    25,821,845
                          ==========  =========== ===========  =========   ===========
</TABLE>

<TABLE>
<CAPTION>
                                   Short-Term Mid-Term   Composite  Aggressive
                                      Fund    Bond Fund    Fund     Equity Fund
                                   ---------- --------- ----------- -----------
<S>                                <C>        <C>       <C>         <C>
Net investment income............. $ 925,610  $ 803,987 $11,067,558  $ 14,891
Net realized capital gains........        --         --  14,435,578        --
                                   ---------  --------- -----------  --------
Total dividends................... $ 925,610  $ 803,987 $25,503,136  $ 14,891
                                   =========  ========= ===========  ========
Dividend amounts per share........ $   0.088  $   0.056 $     0.143  $  0.000
                                   =========  ========= ===========  ========
Increase in number of shares per
 Fund.............................   931,780    927,940  13,403,919     6,890
                                   =========  ========= ===========  ========
</TABLE>

                                      81
<PAGE>

                   REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To The Board of Directors and Shareholders of Mutual of America Investment
 Corporation:

  We have audited the accompanying statement of assets and liabilities,
including the portfolio of investments in securities, of Mutual of America
Investment Corporation comprising, respectively, the Money Market, All
America, Equity Index, Bond, Short-Term Bond, Mid-Term Bond, Composite, and
Aggressive Equity Funds as of December 31, 1999, and the related statement of
operations for the year then ended, the statements of changes in net assets
for each of the two years in the period then ended and the financial
highlights for each of the five years in the period then ended. We have also
audited the statement of assets and liabilities, including the portfolio of
investments in securities, of Mutual of America Investment Corporation
comprising the Mid-Cap Equity Index Fund as of December 31, 1999 and the
related statement of operations, statement of changes in net assets and the
financial highlights for the period May 3, 1999 (commencement of operations)
to December 31, 1999. These financial statements and financial highlights are
the responsibility of the Corporation's management. Our responsibility is to
express an opinion on these financial statements and financial highlights
based on our audits.

  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements and
financial highlights are free of material misstatement. An audit includes
examining, on a test basis, evidence supporting the amounts and disclosures in
the financial statements and financial highlights. Our procedures included
confirmations of securities owned as of December 31, 1999 by correspondence
with the custodian. An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating the
overall financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

  In our opinion, the financial statements and financial highlights referred
to above present fairly, in all material respects, the financial position of
the Money Market, All America, Equity Index, Bond, Short-Term Bond, Mid-Term
Bond, Composite, and Aggressive Equity Funds of Mutual of America Investment
Corporation as of December 31, 1999, the results of their operations for the
year then ended, the changes in their net assets for each of the two years in
the period then ended and their financial highlights for each of the five
years in the period then ended in conformity with generally accepted
accounting principles. Also, in our opinion, the financial statements and
financial highlights referred to above present fairly, in all material
respects, the financial position of the Mid-Cap Equity Index Fund of Mutual of
America Investment Corporation as of December 31, 1999, and the results of its
operations, changes in net assets and its financial highlights for the period
May 3, 1999 (commencement of operations) to December 31, 1999 in conformity
with generally accepted accounting principles.

Arthur Andersen LLP


New York, New York
February 21, 2000

                                      82
<PAGE>

                           PART C. OTHER INFORMATION

Item 23. Exhibits

<TABLE>
 <C>       <S>
  1(a)     Articles of Incorporation of Mutual of America Investment
           Corporation (the "Investment Company") (1)
  1(b)     Articles of Amendment, dated September 22, 1986 (4)
  1(c)     Articles Supplementary, dated July 25, 1988 (4)
  1(d)     Articles Supplementary, dated February 16, 1993 (4)
  1(e)     Articles Supplementary, dated October 4, 1993 (4)
  1(f)     Articles Supplementary, dated April 5, 1994 (4)
  1(g)     Articles Supplementary, dated April 13, 1995 (4)
  1(h)     Articles Supplementary, dated September 16, 1997 (4)
  1(i)     Articles Supplementary, dated April 6, 1999 (3)
  2(a)     By-Laws of the Investment Company (4)
  2(b)     Revision to Article II, Section 2.2 and Article III, Section 3.4 of
           the By-Laws (4)
  2(c)     Revision to Article III, Section 3.8 of the By-Laws (4)
  4(a)     Investment Advisory Agreement, between the Investment Company and
           Mutual of America Life Insurance Company ("Mutual of America"), as
           investment adviser (4)
  4(b)     Assumption Agreement, between Mutual of America and Mutual of
           America Capital Management Corporation (the "Adviser"), as
           investment adviser (4)
  4(c)     Supplement AA to Investment Advisory Agreement, between the
           Investment Company and the Adviser (4)
  4(d)     Supplement AE to Investment Advisory Agreement, between the
           Investment Company and the Adviser (4)
  4(e)     Supplement dated May 1, 1999 to Investment Advisory Agreement,
           between the Investment Company and the Adviser (2)
  4(f)     Subadvisory Agreement, between the Adviser and Fred Alger
           Management, Inc. (4)
  4(g)     Subadvisory Agreement, between the Adviser and Oak Associates (4)
  4(h)     Subadvisory Agreement, between the Adviser and Palley-Needelman
           Asset Management, Inc. (4)
  5        Distribution Agreement, between the Investment Company and Mutual of
           America, as Distributor (1)
  7        Custody Agreement, between the Investment Company and the Chase
           Manhattan Bank (4)
  9(a)     Consent and Opinion of General Counsel for Equity Index, All
           America, Agressive Equity, Composite, Bond, Mid-Term Bond, Short-
           Term Bond and Money Market Funds, as restated (4)
  9(b)     Consent and Opinion of General Counsel for Mid-Cap Equity Index Fund
           shares (3)
 10(a)     Consent of Arthur Andersen LLP
 10(b)     Consent of Swidler Berlin Shereff Friedman LLP
 10(c)(i)  Powers of Attorney of Ms. Morrissey and Messrs. Altstadt, Flanagan,
           Mertz, Needham and Nolan (4)
 10(c)(ii) Power of Attorney of Robert J. McGuire (5)
 16(a)     Code of Ethics of Mutual of America Investment Corporation
 16(b)     Code of Ethics of Mutual of America Capital Management Corporation
 16(c)     Code of Ethics of Fred Alger Management, Inc.
 16(d)     Code of Ethics of Oak Associates, Ltd.
 16(e)     Code of Ethics of Mutual of America Life Insurance Company
</TABLE>

                                      C-1
<PAGE>

- --------

    (1) Included in Post-Effective Amendment No. 11 filed with the
        Commission on April 28, 1995

    (2) Included in Post-Effective Amendment No. 15 filed with the
        Commission on February 12, 1999

    (3) Included in Post-Effective Amendment No. 16 filed with the
        Commission on April 15, 1999

    (4) Included in Post-Effective Amendment No. 17 filed with the
        Commission on June 4, 1999

    (5) Included in Post-Effective Amendment No. 18 filed with the
        Commission on March 2, 2000

Item 26. Business and Other Connections of the Investment Adviser

  Mutual of America Capital Management Corporation (the "Adviser") is the
investment adviser to the Investment Company, and is registered as an
investment adviser under the Investment Advisers Act of 1940. The names,
addresses and positions with the Adviser of each Director and officer of the
Adviser is set forth below.

<TABLE>
<CAPTION>
                                 Positions                Principal Occupation
          Name                  with Adviser             During Past Two Years
          ----                  ------------             ---------------------
<S>                       <C>                      <C>
Thomas J. Moran.........  Director, Chairman of    President, Chief Executive
320 Park Avenue           the Board                Officer and Director of Mutual of
NY, NY 10022                                       America Life


F. Harlan Batrus........  Director                 Partner, Lazard Freres & Co.
30 Rockefeller Plaza
NY, NY 10020


Robert X. Chandler......  Director                 Director, Development Office,
Director, Development                              Archdiocese of Boston
Office Archdiocese of
Boston 2121 Commonwealth
Avenue Brighton, MA
02135


Nathaniel A. Davis......  Director                 Vice President, Network
17680 Old Meadow Rd.                               Engineering Operations, Nextel
McLean, VA 22102                                   Communications


Anthony F. Earley.......  Director                 Chairman, President and Chief
Detroit Edison Company                             Operating Officer, Detroit Edison
2000 Second Avenue                                 Co.
Room 2407 WCB
Detroit, MI 48226


William T. Knowles......  Director                 Consultant
Orr's Island, ME 04066


Walter A. McDougal......  Director                 Former Chairman and President,
Garden City, NY 11530                              Richmond Hill Savings Bank


Peter J. Powers.........  Director                 President and Chief Executive
1345 Avenue of the                                 Officer, Powers Global Strategies
Americas                                           (strategic planning and
NY, NY 10105                                       consulting)


James E. Quinn..........  Director                 Vice Chairman, Tiffany & Co.
757 Fifth Avenue
NY, NY 10022


Richard J. Ciecka.......  President, Chief         Vice Chairman of the Board,
320 Park Avenue           Executive Officer and    Mutual of America Life, until
NY, NY 10022              Director                 October 1998
</TABLE>



                                      C-2
<PAGE>

<TABLE>
<CAPTION>
                                Positions                Principal Occupation
          Name                 with Adviser             During Past Two Years
          ----                 ------------             ---------------------
<S>                      <C>                      <C>
Manfred Altstadt........ Senior Executive Vice    Senior Executive Vice President
320 Park Avenue          President and Chief      and Chief Financial Officer of
NY, NY 10022             Financial Officer        Mutual of America Life and
                                                  American Life


Patrick A. Burns........ Senior Executive Vice    Senior Executive Vice President
320 Park Avenue          President and General    and General Counsel of Mutual of
NY, NY 10022             Counsel                  America Life and American Life


Amir Lear............... Executive Vice President Senior Vice President, Mutual of
320 Park Avenue          and Assistant to the     America Life, until October 1998
NY, NY 10022             President and Chief
                         Executive Officer


Andrew L. Heiskell...... Executive Vice President Executive Vice President of the
320 Park Avenue                                   Adviser
NY, NY 10022


Thomas J. Larsen........ Executive Vice President Executive Vice President of the
320 Park Avenue                                   Adviser since June 1998; prior
NY, NY 10022                                      thereto, Senior Vice President,
                                                  Desai Capital Management


Joseph Brunken.......... Senior Vice President    Senior Vice President of the
320 Park Avenue                                   Adviser
NY, NY 10022


Mary E. Canning......... Senior Vice President    Senior Vice President of the
320 Park Avenue                                   Adviser since May 1999; prior
NY, NY 10022                                      thereto, Managing
                                                  Director/Portfolio Manager,
                                                  Phoenix Duff & Phelps


Susan J. Ferber......... Senior Vice President    Senior Vice President of the
320 Park Avenue                                   Adviser since May 1999; prior
NY, NY 10022                                      thereto, Vice President--Business
                                                  Development, Argus Investors
                                                  Counsel


Stanley M. Lenkowicz.... Senior Vice President,   Senior Vice President and Deputy
320 Park Avenue          Deputy General Counsel   General Counsel, Mutual of
NY, NY 10022             and Secretary            America Life and American Life


Nancy McAvey............ Senior Vice President    Vice President of the Adviser
320 Park Avenue
NY, NY 10022


Phillip McMahon......... Senior Vice President    Vice President of the Adviser
320 Park Avenue                                   until February 2000; prior
NY, NY 10022                                      thereto, Equity Securities
                                                  Analyst


John P. Middleton....... Senior Vice President    Senior Vice President of the
320 Park Avenue                                   Adviser since May 1999; prior
NY, NY 10022                                      thereto, Vice President, Raymond
                                                  James & Associates


Paul Travers............ Senior Vice President    Senior Vice President of the
320 Park Avenue                                   Adviser
NY, NY 10022
</TABLE>



                                      C-3
<PAGE>

<TABLE>
<CAPTION>
                              Positions                Principal Occupation
         Name                with Adviser             During Past Two Years
         ----                ------------             ---------------------
<S>                    <C>                      <C>
Gary P. Wetterau...... Senior Vice President    Vice President of the Adviser
320 Park Avenue
NY, NY 10022


David Wood............ Senior Vice President    Senior Vice President of the
320 Park Avenue                                 Adviser
NY, NY 10022


Aline Couture......... Vice President           Vice President of the Adviser
320 Park Avenue
NY, NY 10022


Doris Klug............ Vice President           Vice President of the Adviser
320 Park Avenue
NY, NY 10022


Robert H. Stewart..... Vice President           Vice President of the Adviser
320 Park Avenue
NY, NY 10022
</TABLE>

  Each of Oak Associates, Ltd. ("Oak Associates") and Fred Alger Management,
Inc. ("Alger Management") is a subadviser for a portion of the Active Assets
of the All America Fund allocated to it. Each subadviser is registered as an
investment adviser under the Investment Advisers Act of 1940. The names,
addresses and positions of each director and officer of each subadviser are
incorporated by reference to the Form ADV of the subadviser filed with the
Securities and Exchange Commission, as set forth below.

  Oak Associates, Ltd., Form ADV, SEC File No. 801-23632.

  Fred Alger Management, Inc., Form ADV, SEC File No. 801-06709.

                                      C-4
<PAGE>

Item 27. Principal Underwriters

  (a) Mutual of America Life Insurance Company, the principal underwriter of
the Registrant, acts as depositor and principal underwriter of Mutual of
America Separate Account No. 2 and Mutual of America Separate Account No. 3,
and as principal underwriter of The American Separate Account No. 2 and The
American Separate Account No. 3 of The American Life Insurance Company of New
York.

  (b) The name, business address and position of each senior officer and
director of Mutual of America are as follows:

<TABLE>
<CAPTION>
Name and Principal         Positions and Offices
Business Address           with Principal Underwriter
- ------------------         --------------------------
<S>                        <C>
Directors


Clifford L. Alexander,     Director
Jr........................
Washington, D.C.


Patricia A. Cahill........ Director
Denver, Colorado


Roselyn P. Epps, M.D...... Director
Bethesda, Maryland


Dudley H. Hafner.......... Director
Dallas, Texas


Earle H. Harbison, Jr..... Director
St. Louis, Missouri


Frances R. Hesselbein..... Director
New York, New York


William Kahn.............. Director
St. Louis, Missouri


LaSalle D. Leffall, Jr.,   Director
M.D.......................
Washington, D.C.


Michael A. Pelavin........ Director
Flint, Michigan


Fioravante G. Perrotta.... Director
New York, New York


Francis H. Schott......... Director
New York, New York


O. Stanley Smith, Jr...... Director
Columbia, South Carolina


Sheila M. Smythe.......... Director
Valhalla, New York


Elie Wiesel............... Director
New York, New York


Officers-Directors


William J. Flynn.......... Chairman of the Board


Thomas J. Moran........... President and Chief Executive Officer


Manfred Altstadt.......... Senior Executive Vice President and Chief Financial
                           Officer


Patrick A. Burns.......... Senior Executive Vice President and General Counsel


Salvatore R. Curiale...... Senior Executive Vice President, Technical
                           Operations
</TABLE>



                                      C-5
<PAGE>

<TABLE>
<CAPTION>
    Name and Principal                     Positions and Offices
     Business Address                   with Principal Underwriter
    ------------------                  --------------------------
<S>                        <C>
Other Officers


Diane Aramony............. Senior Vice President, Corporate Secretary and
                           Assistant to the Chairman


Meyer Baruch.............. Senior Vice President, State Compliance and
                           Government Regulations


Deborah Swinford Becker... Senior Vice President and Associate General Counsel


Nicholas Branchina........ Senior Vice President and Associate Treasurer


William Breneisen......... Executive Vice President, Office of Technology


Jeremy J. Brown........... Executive Vice President and Chief Actuary


Allen J. Bruckheimer...... Senior Vice President and Associate Treasurer


Patrick Burke............. Senior Vice President, Special Markets


Sean Carroll.............. Senior Vice President, Facilities Management


William Conway............ Executive Vice President, Marketing and Corporate
                           Communications


William A. DeMilt......... Executive Vice President, Real Estate Management


Warren A. Essner.......... Senior Vice President, Corporate Services


Chris W. Festog........... Senior Vice President and Controller since April
                           1999; prior thereto, Chief Financial Officer of the
                           Global Energy Business unit of Zurich Insurance
                           Company


James Flynn............... Senior Vice President, Marketing


Michael Gallagher......... Senior Vice President, Direct Response and Technical
Boca Raton, FL             Communications


Harold J. Gannon.......... Senior Vice President, Corporate Tax


Gordon Gaspard............ Senior Vice President, Technical Services


Robert Giaquinto.......... Senior Vice President, MIS Operations
Boca Raton, Fl


Thomas E. Gilliam......... Executive Vice President and Assistant to the
                           President and Chief Executive Officer


John R. Greed............. Executive Vice President and Treasurer


Jared Gutman.............. Senior Vice President, Billing and Regulatory
                           Services/Life and Disability Claims, since February
                           2000; prior thereto, Vice President


Thomas A. Harwood......... Senior Vice President, Corporate Communications


Sandra Hersko............. Senior Vice President, Technical Administration


Edward J.T. Kenney........ Senior Vice President and Assistant to the President
                           and Chief Executive Officer


Gregory A. Kleva, Jr...... Executive Vice President and Deputy General Counsel


Robert Kordecki........... Senior Vice President, National Accounts
</TABLE>

                                      C-6
<PAGE>

<TABLE>
<CAPTION>
    Name and Principal                      Positions and Offices
     Business Address                    with Principal Underwriter
    ------------------                   --------------------------
<S>                         <C>
Stanley M. Lenkowicz....... Senior Vice President and Deputy General Counsel


Daniel LeSaffre............ Senior Vice President, Human Resources and Training


Robert W. Maull............ Senior Vice President and Corporate Actuary


George L. Medlin........... Executive Vice President, Internal Audit


Lynn M. Nadler............. Senior Vice President, Training--Boca Raton
Boca Raton, FL


Roger F. Napoleon.......... Senior Vice President and Associate General Counsel


James Peterson............. Senior Vice President, Training--New York and
                            Leadership Development


William Rose............... Senior Vice President, Field Operations


Dennis J. Routledge........ Senior Vice President, LAN/Telecommunications


Robert W. Ruane............ Senior Vice President, Corporate Communications and
                            Direct Response


William G. Shannon......... Senior Vice President, Individual Financial Planning


Walter W. Siegel........... Senior Vice President and Actuary


Joan M. Squires............ Senior Vice President, Business Applications


Anne M. Stanard............ Senior Vice President, Human Resources, since
                            February 2000, prior thereto, Vice President


Eldon Wonacott............. Senior Vice President, Field Administration


Raymond Yeager............. Senior Vice President, MIS Operations
Boca Raton, FL
</TABLE>

  The business address of all officers and directors is 320 Park Avenue, New
York, New York 10022, unless otherwise noted.

                                      C-7
<PAGE>

                                  SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment
Company Act of 1940, the registrant certifies that it meets all the
requirements for effectiveness of this post effective amendment to
Registration Statement pursuant to Rule 485(b) under the Securities Act of
1933 and has duly caused this post-effective amendment to its Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized in the City of New York, the State of New York, the 26th day of
April, 2000.

                                          Mutual of America Investment
                                          Corporation

                                                /s/ Dolores J. Morrissey
                                          By: _________________________________
                                                    Dolores J. Morrissey
                                                         President

Pursuant to the requirements of the Securities Act of 1933, this post-
effective amendment to its Registration Statement has been signed below by the
following persons in the capacities indicated on April 26, 2000.

Principal Executive Officer:

      /s/ Dolores J. Morrissey
By: _________________________________
          Dolores J. Morrissey
               President

Principal Financial Officer and Principal Accounting Officer:

        /s/ Manfred Altstadt
_____________________________________
            Manfred Altstadt

Directors:

        /s/ Manfred Altstadt
_____________________________________
            Manfred Altstadt

      /s/ Dolores J. Morrissey
_____________________________________
          Dolores J. Morrissey

                  *
_____________________________________
           Peter J. Flanagan

                  *
_____________________________________
           Robert J. McGuire

                  *
_____________________________________
            George J. Mertz

                  *
_____________________________________
            Howard J. Nolan

        /s/ Manfred Altstadt
*By: ________________________________
            Attorney-in-fact

                                      C-8
<PAGE>

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
 Exhibit
   No.                                                                 Page
 -------                                                               ----
 <C>      <S>                                                          <C>
 99.10(a) Consent of Arthur Anderson LLP
 99.10(b) Consent of Swidler Berlin Shereff Friedman LLP
 99.16(a) Code of Ethics of Mutual of America Investment Corporation
          Code of Ethics of Mutual of America Capital Management
 99.16(b) Corporation
 99.16(c) Code of Ethics of Fred Alger Management, Inc.
 99.16(d) Code of Ethics of Oak Associates, Ltd.
 99.16(e) Code of Ethics of Mutual of America Life Insurance Company
</TABLE>

<PAGE>

                                                                EXHIBIT 99.10(a)


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our report
(and to all references to our firm) included in or made a part of Registration
Statement No. 33-6486.


                                               ARTHUR ANDERSEN LLP
New York, New York
April 26, 2000

<PAGE>

                                                               EXHIBIT 99.10(b)


                              CONSENT OF COUNSEL

     We hereby consent to the reference to our firm included in the prospectus
filed as part of Registration Statement No. 33-6486.


                           SWIDLER BERLIN SHEREFF FRIEDMAN, LLP


New York, New York
April 26, 2000


<PAGE>

                                                                   EXHIBIT 16(a)

                   MUTUAL OF AMERICA INVESTMENT CORPORATION


Preamble:

Mutual of America Investment Corporation recognizes its responsibility to be
familiar with and to ensure its compliance with the provisions of the Investment
Company Act of 1940, the Securities Act of 1933, the Securities Exchange Act of
1934, and the Rules and Regulations of the Securities and Exchange Commission
promulgated under those Acts.  The same is true as to other Federal and state
laws and regulations thereunder which may be applicable to an investment company
and to particular situations which may arise.

Experience over the years has shown, however, that there are, in addition,
business principles and practices to be followed in maintaining a high standard
of conduct in the operation and management of a registered investment
company.The basic principle which should govern all officers, directors and
employees of the Company shall be carried on with fidelity to the interests of
our security holders.  The performance of such functions should conform in all
particulars to just and equitable principles of conduct in the administration
and management of the Company.

The combination of these factors also leads to certain fundamental principles
which should govern the personal investment activities of the Company's
personnel, namely:  (1) the duty at all times to place the interests of security
holders first; (2) the requirement that all personal securities transactions be
conducted consistent with the code of ethics and in such a manner as to avoid
any actual or potential conflict of interest or any abuse of an individual's
position of trust and responsibility; and (3) that investment company personnel
should not take inappropriate advantage of their positions.

To foster the above considerations, Mutual of America Investment Corporation has
established the following Code of Ethics.


                                CODE OF ETHICS

1-    Definitions

     (a)  Fund
     As used in this code the term "Fund" shall mean Mutual of America
          Investment Corporation.

     (b)  Access Person
     As used in this code the term "access person" shall mean any director,
          officer, general partner, or advisory employee of the Fund.

     (c)  Advisory Employee
<PAGE>

     As used in this code the term "advisory employee" shall mean any employee
          of the Fund who makes any recommendation concerning any security held
          or to be acquired by the Fund,who participates in the determination of
          which recommendation shall be made, who in connection with his or her
          duties obtains any information concerning which securities are being
          recommended; and any employee of a person in a controlled relationship
          to the Fund who obtains current information concerning securities
          recommendations being made.

     (d) Independent Outside Director
     As used in this code the term "independent outside director" shall mean
         a director of the Fund who is not an "interested person" of the Fund
         within the meaning of Section 2(a)(19) of the Investment Company Act of
         1940.

2-   Restrictions on Personal Investing Activities

     (a)  No access person shall purchase or sell, directly or indirectly, any
          security in which he or she has, or by reason of such transaction
          acquires, any direct or indirect beneficial ownership and which to his
          or her knowledge (or should have known) is currently being purchased
          or sold by the Fund, or which to his or her knowledge (or should have
          known) any investment adviser of the Fund or any advisory employee of
          the Fund is actively considering recommending to the Fund for purchase
          or sale. These prohibitions shall continue until the time as such
          investment adviser or advisory employee decides not to recommend such
          purchase or sale, or if such recommendation is made until the time
          that such investment company decides not to enter into, or completes,
          such recommended purchase or sale. These prohibitions shall apply to
          any purchase or sale by any access person of any convertible security,
          option or warrant of any issuer whose underlying securities are being
          actively considered for recommendation to, or are currently being
          purchased or sold by the Fund.

     (b)  No access person, other than an independent outside director, shall
          purchase any securities in an initial public offering.

     (c)  No access person shall engage directly or indirectly in any securities
          activities in anticipation of a Fund transaction. For purposes of this
          provision it shall be presumed that a violation has occurred if an
          access person has executed a securities transaction within 7 calendar
          days prior to a Fund transaction in a security of the same or related
          issuer.

3-   Exempt Purchases and Sales

     The prohibitions in Section 2 of this code shall not apply to:

     (i)  purchases or sales effected in any account over which an access person
          has no direct or indirect influence or control;
     (ii) purchases or sales of securities which are not eligible for purchase
          or sale by the Fund;
<PAGE>

     (iii) purchases or sales of securities which are direct obligations of the
           United States, banker's acceptances, bank certificates of deposit,
           commercial paper, high quality short-term debt instruments including
           repurchase agreements and shares of registered open-end investment
           companies;
     (iv)  purchases effected upon exercise of rights issued by an issuer pro
           rata to all holders of a class of its securities to the extent such
           rights were acquired from such issuer, and sales of such rights so
           acquired; and
     (v)   purchases which are part of an automatic dividend reinvestment plan.

4-   Reporting

     (a)   Each access person shall report to the Fund every transaction in a
           security in which he or she has, or by reason of such transaction
           acquires, any direct or indirect beneficial ownership, except
           purchases and sales specified in Section 3 of this code. Such report
           shall state the title, the interest rate and maturity date (if
           applicable), the number of shares and the principal amount of each
           security; the date and nature of the transaction (i.e., purchase,
           sale or other acquisition or disposition); the price at which it was
           effected; and the name of the broker, dealer or bank with or through
           whom the transaction was effected; and the name of the broker, dealer
           or bank with whom any account has been established and the date
           thereof. Such report may also contain a statement declaring that the
           reporting or recording of any such transaction shall not be construed
           as an admission that the access person making the report has any
           direct or indirect beneficial ownership in the security. A report
           shall be made not later than 10 days after the end of each quarter
           whether or not a transaction covered hereby takes place and shall
           reflect the date submitted.

     Notwithstanding the above, no person shall be required to make a report or
           supply confirmations or account statements if such person is an
           independent outside director of the Fund and would be required to
           make such a report solely by reason of being a director of the Fund,
           except where such director knew or, in the ordinary course of
           fulfilling his or her official duties as a director of the Fund,
           should have known that during the 15-day period immediately preceding
           or after the date of the transaction in a security by the director
           such security is or was purchased or sold by the Fund or such
           purchase or sale by the Fund is or was considered by the Fund or its
           investment adviser.

     (b)   Each access person, other than an independent outside director, shall
           direct their brokers to supply to the Compliance Officer, on a timely
           basis, duplicate copies of confirmations of all personal security
           transactions and copies of periodic statement for all accounts.

     (c)   Each access person, other than an independent outside director, shall
           disclose all personal security holdings within 10 days of becoming an
           access person and within 30 days of the end of each calendar year.
           Each such report shall state the title, number of shares and
           principal amount of the security involved and the name of any broker,
           dealer or bank with whom an account is maintained.
<PAGE>

5-   Review of Reports

     Reports required to be made pursuant to Section 4 of this code shall be
     reviewed by the Fund's compliance officer or such other person as the
     President of the Fund designates.

6-   Prior Clearance of Transactions

     No access person who makes any recommendation concerning any security held
     or to be acquired by the Fund, or who participates in the determination of
     which recommendation shall be made, or who in connection with his or her
     duties obtains any information concerning which securities are being
     recommended, shall effect a purchase or sale directly or indirectly, of any
     security in which he has, or by reason of such transaction acquires, any
     direct or indirect beneficial ownership, without obtaining prior written
     clearance from the President of the Fund (or the Chief Executive Officer
     when said President is seeking approval).

     Prior clearance will NOT be granted with respect to securities being
     purchased or sold by the Fund or being actively considered by an advisory
     employee of the Fund until 7 days have elapsed from the conclusion of such
     activity. Any prior clearance concerning a private placement transaction
     will only be granted under circumstances where the Fund's interests are not
     disadvantaged, where such opportunity is not being offered to an individual
     by virtue of his or her position with the Fund and further, with the
     express understanding that the access person involved will be under an
     obligation to disclose such investment should he or she participate in the
     Fund's subsequent consideration of an investment in the same issuer, such
     consideration being subject to an independent review by access persons with
     no direct or indirect interest in the issuer. Any access person who effects
     a purchase or sale after obtaining such prior written clearance shall be
     deemed not to be in violation of Section 2 of this code by reason of such
     purchase or sale.

7-   Other Restricted Activities

     (a)  No access person shall accept any gift or other thing of more than de
                                                                             --
          minimis value from any person or entity that does business with or on
          -------
          behalf of the Fund.

     (b)  No access person shall profit in the purchase and sale, or sale and
          purchase, of the same (or equivalent or economically related)
          securities within 60 calendar days, unless prior written clearance is
          given by the President of the Fund (or the Chief Executive Officer
          when said President is seeking approval). Any profits realized in
          violation of this Section shall be disgorged to the Fund. The
          foregoing shall apply to an independent outside director only to the
          extent such director is under an obligation to report a transaction
          pursuant to Section 4 and then only with respect to any securities of
          the issuer or an economically related issuer of any security required
          to be reported.
<PAGE>

     (c)  No access person, other than an independent outside director, shall
          serve on the board of directors of a publicly traded company without
          obtaining prior written clearance from the President of the Fund (or
          the Chief Executive Officer when said President is seeking approval).

8-   Certificate of Compliance

     Each access person shall certify within 30 days of the end of each calendar
     year that with respect to this code of ethics he or she has:
     (i)   read and understood it;
     (ii)  complied with the requirements; and
     (iii) disclosed or reported all personal securities transactions so
           required by it.

9-   Administration

     (a)  Upon learning of a violation of this code, the Fund may impose such
          sanctions as it deems appropriate, including, inter alia, a letter of
          censure or suspension or termination of the employment of the
          violator.

     (b)  At least annually the Fund will furnish a written report to the Board
          of Directors of the Fund that:

          (i)  Describes any issues arising under this code or procedures since
               the last report, including all material violations of the code or
               procedures and any sanctions imposed in response.

          (ii) Certifies that procedures reasonably necessary to prevent access
               persons from violating this code have been adopted.

<PAGE>

                                                                   EXHIBIT 16(b)

               MUTUAL OF AMERICA CAPITAL MANAGEMENT CORPORATION


Preamble:

Mutual of America Capital Management Corporation recognizes its responsibility
to be familiar with and to ensure its compliance with the provisions of the
Investment Company Act of 1940 and the Rules and Regulations of the Securities
and Exchange Commission promulgated under the Act.  The same is true as to other
Federal and state laws and regulations thereunder which may be applicable to an
investment company and to particular situations which may arise.

Experience over the years has shown, however, that there are, in addition,
business principles and practices to be followed in maintaining a high standard
of conduct in the operation and management of a registered investment company.

The basic principle which should govern all officers, directors and employees of
the Company shall be carried on with fidelity to the interests of our clients.
The performance of such functions should conform in all particulars to just and
equitable principles of conduct in the administration and management of the
Company.

The combination of these factors also leads to certain fundamental principles
which should govern the personal investment activities of the Company's
personnel, namely:

(1) the duty at all times to place the interests of clients first; (2) the
requirement that all personal securities transactions be conducted consistent
with the code of ethics and in such a manner as to avoid any actual or potential
conflict of interest or any abuse of an individual's position of trust and
responsibility; and (3) that investment adviser personnel should not take
inappropriate advantage of their positions.

To foster the above considerations, Mutual of America Capital Management
Corporation has established the following Code of Ethics.


                                CODE OF ETHICS

1-   Definitions

     (a)  Adviser
     As used in this code the term "Adviser" shall mean Mutual of America
          Capital Management Corporation.

     (b)  Access Person
     As used in this code the term "access person" shall mean any director,
          officer, general partner, or advisory employee of the Adviser.
<PAGE>

     (c)  Advisory Employee
     As used in this code the term "advisory employee" shall mean any employee
          of the Adviser who makes any recommendation concerning any security
          held or to be acquired by a client, who participates in the
          determination of which recommendation shall be made, who in connection
          with his or her duties obtains any information concerning which
          securities are being recommended; and any employee of a person in a
          controlled relationship to the Adviser who obtains current information
          concerning securities recommendations being made.

     (d)  Independent Outside Director
     As used in this code the term "independent outside director" shall mean a
          director of the Adviser who is not an "interested person" of an
          investment company client within the meaning of Section 2(a)(19) of
          the Investment Company Act of 1940.

     (e)  Investment Company Client
     As used in this code the term "investment company client" shall mean a
          company registered as such under the Investment Company Act of 1940
          and for which the Adviser is the investment adviser.

2-   Restrictions on Personal Investing Activities

     (a)  No access person shall purchase or sell, directly or indirectly, any
          security in which he or she has, or by reason of such transaction
          acquires, any direct or indirect beneficial ownership and which to his
          or her knowledge (or should have known) is currently being purchased
          or sold by a client, or which to his or her knowledge (or should have
          known) the Adviser, any advisory employee, or any investment adviser
          of an investment company client is actively considering recommending
          to a client for purchase or sale. These prohibitions shall continue
          until the time as the Adviser, advisory employee or such investment
          adviser decides not to recommend such purchase or sale, or if such
          recommendation is made until the time that such client decides not to
          enter into, or completes, such recommended purchase or sale. These
          prohibitions shall apply to any purchase or sale by any access person
          of any convertible security, option or warrant of any issuer whose
          underlying securities are being actively considered for recommendation
          to, or are currently being purchased or sold by a client.

     (b)  No access person, other than an independent outside director, shall
          purchase any securities in an initial public offering.

     (c)  No access person shall engage directly or indirectly in any securities
          activities in anticipation of a client's transaction. For purposes of
          this provision it shall be presumed that a violation has occurred if
          an access person has executed a securities transaction within 7
          calendar days prior to a client's transaction in a security of the
          same or related issuer.
<PAGE>

3-   Exempt Purchases and Sales

     The prohibitions in Section 2 of this code shall not apply to:

     (i)   purchases or sales effected in any account over which an access
           person has no direct or indirect influence or control;

     (ii)  purchases or sales of securities which are not eligible for purchase
           or sale by a client;

     (iii) purchases or sales of securities which are direct obligations of the
           United States, banker's acceptances, bank certificates of deposit,
           commercial paper, high quality short-term debt instruments including
           repurchase agreements and shares of registered open-end investment
           companies;

     (iv)  purchases effected upon exercise of rights issued by an issuer pro
           rata to all holders of a class of its securities to the extent such
           rights were acquired from such issuer, and sales of such rights so
           acquired; and

     (v)   purchases which are part of an automatic dividend reinvestment plan.

4-   Reporting

     (a)   Each access person shall report to the Adviser every transaction in a
           security in which he or she has, or by reason of such transaction
           acquires, any direct or indirect beneficial ownership, except
           purchases and sales specified in Section 3 of this code. Such report
           shall state the title, the interest rate and maturity date (if
           applicable), the number of shares and the principal amount of each
           security; the date and nature of the transaction (i.e., purchase,
           sale or other acquisition or disposition); the price at which it was
           effected; the name of the broker, dealer or bank with or through whom
           the transaction was effected; and the name of the broker, dealer or
           bank with whom any account has been established and the date thereof.
           Such report may also contain a statement declaring that the reporting
           or recording of any such transaction shall not be construed as an
           admission that the access person making the report has any direct or
           indirect beneficial ownership in the security. A report shall be made
           not later than 10 days after the end of each quarter whether or not a
           transaction covered hereby takes place and shall reflect the date
           submitted.

     (b)   Notwithstanding Section 4(a) of this code, an access person need not
           make a report where the report would duplicate information recorded
           pursuant to Rules 204-2(a)(12) or 204-2(a)(13) under the Investment
           Advisers Act of 1940.

     (c)   Each access person, other than an independent outside director, shall
           direct their brokers to supply to the Compliance Officer, on a timely
           basis, duplicate copies of confirmations of all personal security
           transactions and copies of periodic statement for all accounts.
<PAGE>

     (d)  Each access person, other than an independent outside director, shall
          disclose all personal security holdings within 10 days of becoming an
          access person and within 30 days of the end of each calendar year.
          Each such report shall state the title, number of shares and principal
          amount of the security involved and the name of any broker, dealer or
          bank with whom an account is maintained.

5-   Review of Reports

Reports required to be made pursuant to Section 4 of this code shall be reviewed
by the Adviser's compliance officer or such other person as the President of the
Adviser designates.

6-   Prior Clearance of Transactions

No access person who makes any recommendation concerning any security held or to
be acquired by a client, or who participates in the determination of which
recommendation shall be made, or who in connection with his or her duties
obtains any information concerning which securities are being recommended, shall
effect a purchase or sale directly or indirectly, of any security in which he
has, or by reason of such transaction acquires, any direct or indirect
beneficial ownership, without obtaining prior written clearance from the
President of the Adviser, or his designee, (or the Chairman of the Board when
the President is seeking approval).

Prior clearance will NOT be granted with respect to securities being purchased
or sold by a client or being actively considered by the Adviser or an advisory
employee until 7 days have elapsed from the conclusion of such activity.  Any
prior clearance concerning a private placement transaction will only be granted
under circumstances where a client's interests are not disadvantaged, where such
opportunity is not being offered to an individual by virtue of his or her
position with the Adviser and further, with the express understanding that the
access person involved will be under an obligation to disclose such investment
should he or she participate in the Adviser's subsequent consideration of an
investment in the same issuer, such consideration being subject to an
independent review by access persons with no direct or indirect interest in the
issuer.  Any access person who effects a purchase or sale after obtaining such
prior written clearance shall be deemed not to be in violation of Section 2 of
this code by reason of such purchase or sale.

7-   Other Restricted Activities

     (a)  No access person shall accept any gift or other thing of more than de
                                                                             --
          minimis value from any person or entity that does business with or on
          -------
          behalf of the Adviser.

     (b)  No access person shall profit in the purchase and sale, or sale and
          purchase, of the same (or equivalent or economically related)
          securities within 60 calendar days, unless prior written clearance is
          given by the President of the Adviser, or his designee, (or the
          Chairman of the Board when the President is seeking approval). Any
          profits realized in violation of this Section shall be required to be
          disgorged. The foregoing shall apply to an independent outside
          director only to the extent such director is under an obligation to
<PAGE>

          report a transaction within Section 2 and then only with respect to
          any securities of the issuer or an economically related issuer of any
          such security required to be reported.

     (c)  No access person, other than an independent outside director, shall
          serve on the board of directors of a publicly traded company without
          obtaining prior written clearance from the President of the Adviser,
          or his designee, (or the Chairman of the Board when the President is
          seeking approval).

8-   Certificate of Compliance

     Each access person shall certify within 30 days of the end of each calendar
     year that with respect to this code of ethics he or she has:

     (i)   read and understood it;

     (ii)  complied with the requirements; and

     (iii) disclosed or reported all personal securities transactions so
           required by it.

9-   Administration

     (a)  Upon learning of a violation of this code, the Adviser may impose such
          sanctions as it deems appropriate, including, inter alia, a letter of
          censure or suspension or termination of the employment of the
          violator.

     (b)  At least annually the Adviser will furnish a written report to the
          Board of Directors of an investment company client that:

          (i)  Describes any issues arising under this code or procedures since
               the last report, including all material violations of the code or
               procedures and any sanctions imposed in response.

          (ii) Certifies that procedures reasonably necessary to prevent access
               persons from violating this code have been adopted.

<PAGE>

                                                                   EXHIBIT 16(c)

CODE OF ETHICS
- --------------

I.   General Principles
     ------------------

     This Code of Ethics ("Code") establishes rules of conduct that govern
     personal investment activities of employees of Fred Alger Management, Inc.
     ("Alger"), Fred Alger & Company, Incorporated and each registered
     investment company for which Alger acts as investment adviser or sub-
     adviser ("Alger Fund").

     The following categories of personnel are covered by the Code:

     (1)  portfolio managers - those employees who have direct responsibility
          and authority to make investment decisions affecting an Alger Fund and
          their immediate family members residing in the same household;

     (2)  investment personnel - securities analysts and traders who provide
          information and advice to a portfolio manager or who help execute the
          portfolio manager's decisions and their immediate family members
          residing in the same household; and

     (3)  access persons - all employees (including portfolio managers and
          investment personnel) and their immediate family members residing in
          the same household; and "interested" directors and officers of Alger
          or an Alger Fund.

     (4)  Independent trustees of Alger Funds will be subject to the
          preclearance and reporting requirements of Section III of the Code
          only if such person, at the time of his transaction, knew, or in the
          ordinary course of fulfilling his official duties as a director of
          such company should have known, that during the 15-day period
          immediately preceding or after the date of the transaction by such
          person, the security such person purchased or sold is or was purchased
          or sold by any Alger Fund or was being considered for purchase or sale
          by any Alger Fund or Alger.

     Certain general fiduciary principles govern the personal investment
     activities of all employees:

     (1)  the duty at all times to place the interests of Alger Fund
          shareholders and Alger investment accounts first;

     (2)  the requirement that all personal securities transactions be conducted
          consistent with the Code and in such a manner as to avoid any actual
          or potential conflict of interest or any abuse of an individual's
          position of trust and responsibility; and

     (3)  the fundamental standard that Alger personnel should not take
          inappropriate advantage of their positions.

<PAGE>

     The restrictions and procedures of the Code apply to all accounts in which
     an access person has, or by reason of the subsequent transaction acquires,
     any direct or indirect beneficial ownership (as defined in Exhibit A).

     For purposes of the Code, the term "security" shall not include government
     securities, bankers' acceptances, bank certificates of deposit, commercial
     paper and shares of registered open-end investment companies.

II.  Restrictions on Personal Investing
     ----------------------------------

     A.   Initial Public Offerings

               -    Investment personnel may not acquire any securities in an
                    initial public offering.


     B.   Private Placements

               -    Investment personnel must obtain prior approval of any
                    acquisition of securities in a private placement.

                    (a)  Any such approved acquisition must be disclosed if the
                         investment personnel subsequently participate in any
                         Alger Fund's consideration of an investment in the
                         issuer.

                    (b)  Any Alger Fund's subsequent decision to purchase
                         securities of the issuer will be subject to independent
                         review by investment personnel with no personal
                         interest in the issuer.

     C.   Blackout Periods

          1.        An access person may not execute a securities transaction at
                    a time when any Portfolio Manager is considering the
                    purchase or sale of that security. If the Alger Fund is in
                    the middle of a buying or selling program for that security,
                    the program must be completed before the access person may
                    execute his or her transaction.

                    (a)  An access person may not recommend any securities
                         transaction by an Alger Fund without having disclosed
                         his or her interest, if any, in such securities or the
                         issuer thereof, including without limitation:

                         (1)  direct or indirect beneficial ownership of any
                              securities of the issuer;
<PAGE>

             (2)  any position with the issuer or its affiliates; and

             (3)  any present or proposed business relationship between the
                  issuer or its affiliates and such person or any party in which
                  such person has a significant interest.

     2. A portfolio manager may not buy or sell a security within seven calendar
        days before and after the Alger Fund that he or she manages trades in
        that security unless one of the following situations exists:

        (a)  An Alger Fund receives a better price on its transaction made
             within seven days of the portfolio manager's transaction.

        (b)  If a portfolio manager has recommended a security for purchase or
             sale by an Alger Fund and his or her recommendation is overruled by
             Senior Management, he or she may purchase or sell that security for
             his or her own account. If Senior Management subsequently changes
             its position regarding that security and decides to purchase or
             sell the security for an Alger Fund within 7 days of the portfolio
             manager's transaction for his or her own account, the Fund's
             purchase or sale will not require disgorgement by the portfolio
             manager.

        (c)  The portfolio manager can demonstrate that a hardship exists which
             requires the sale of the security within the prohibited time
             period.

     3. Any profits realized on trades within the proscribed periods must be
        disgorged to the appropriate Alger Fund or to charity.


  D. Short-term Trading

     Investment personnel may not profit in the purchase and sale, or sale and
     purchase, of the same (or equivalent) securities* within 60 calendar days
     unless the security is not held by any Alger Fund and is not eligible for
     purchase by any Alger Fund.

     -    The Compliance Officer will consider exemptions to this prohibition on
          a case-by-case basis when it is clear that no abuse is involved and
          the equities of the situation strongly support an exemption.

* Includes options and short sales
<PAGE>

     E.   Gifts

          Investment personnel may not accept any gift or other thing of more
          than de minimus value from any person or entity that does business
               -- -------
          with or on behalf of an Alger Fund.

     F.   Service as a Director

          Investment Personnel must obtain prior authorization to serve on the
          board of directors of a publicly traded company. Such authorization
          will be based on a determination that the board service would be
          consistent with the interests of the Alger Fund and its shareholders.

III. Compliance Procedures
     ---------------------

     A.   Preclearance

          All access persons must preclear their personal securities
          transactions with the Compliance Officer.

          -  The Compliance Officer must preclear the personal securities
             transactions of all access persons with the Portfolio Managers in
             addition to preclearance with the trading desk.

          -  Any approval will be valid only for the day on which it is granted.

     B.   Brokerage Confirmations and Statements

          All access persons should direct their brokers to supply duplicate
          copies of all confirmations and periodic statements to the firm's
          Compliance Officer.

     C.   Disclosure of Personal Holdings

          All investment personnel must disclose their personal securities
          holdings upon commencement of employment and thereafter on an annual
          basis.


<PAGE>

     D.   Certification of Compliance With the Code

          All access persons must certify annually that:

          -  they have read and understood the Code;

          -  they are subject to the Code;

          -  they have complied with the requirements of the Code; and

          -  they have disclosed all personal securities transactions required
             to be disclosed pursuant to the Code.

     E.   The management of each Alger Fund will prepare an annual report to
          the Fund's Board of Trustees/Directors that:

          -  Summarizes existing procedures concerning personal investing and
             any changes made during the previous year;

          -  identifies any violations requiring significant remedial action
             during the previous year; and

          -  identifies any recommended changes in existing restrictions or
             procedures.

IV.  Sanctions
     ---------

     Upon discovering that an access person has not complied with the
     requirements of this Code, the Board of Directors of Alger or of any Alger
     Fund may impose on that person whatever sanctions the Board deems
     appropriate, including, among other things, censure, suspension or
     termination of employment.

V.   Confidentiality
     ---------------

     All information obtained from any access person hereunder shall be kept in
     strict confidence, except that reports of securities transactions hereunder
     will be made available to the Securities and Exchange Commission or any
     other regulatory or self-regulatory organization to the extent required by
     law or regulation.
<PAGE>

VI.  Other Laws, Rules and Statements of Policy
     ------------------------------------------

     Nothing contained in this Code shall be interpreted as relieving any access
     person from acting in accordance with the provision of any applicable law,
     rule, or regulation or any other statement of policy or procedure adopted
     by Alger or by an Alger Fund governing the conduct of such person.
<PAGE>

                                                                       Exhibit A

     For purposes of the attached Code of Ethics, "beneficial ownership" shall
be interpreted in the  same manner as it would be in determining whether a
person is subject to the provisions of Section 16 of the Securities Exchange Act
of 1934 and the rules and regulations thereunder, except that the determination
of direct or indirect beneficial ownership shall apply to all securities that an
Access Person has or acquires. The term "beneficial ownership" of securities
would include not only ownership of securities held by an Access Person for his
own benefit, whether in bearer form or registered in his name or otherwise, but
also ownership of securities held for his benefit by others (regardless of
whether or how they are registered) such as custodians, brokers, executors,
administrators, or trustees (including trust in which he has only a remainder
interest), and securities held for his account by pledgees, securities owned by
a partnership in which he is a member, if he may exercise a controlling
influence over the purchase, sale or voting of such securities held for his
account by pledgees, securities owned by a patnership in which he is a member,
if he may exercise a controlling influence over the purchase, sale or voting of
such securities and securities owned by any corporation. Correspondingly, this
term would exclude securities held by an Access Person for the benefit of
someone else.

     Ordinarily, this term would not include securities held by executors or
administrators in estates in which an Access Person is a legatec or beneficiary
unless there is a specific legacy to such person of such securities or such
person is the sole legatee or beneficiary and there are other assets in the
estate sufficient to pay debts ranking ahead of such legacy, or the securities
are held in the estate more than a year after the decedent's death.

     Securities held in the name of another should be considered as
"beneficially" owned by an Access Person where such person enjoys "benefits
substantially equivalent to ownership". The Securities and Exchange Commission
has said that although the final determination of beneficial ownership is a
question to be determined in the light of the facts of the particular case,
generally a person is regarded as the beneficial owner of securities held in the
name of his or her spouse and their minor children. Absent special circumstances
such relationship ordinarily results in such person obtaining benefits
substantially equivalent to ownership, e.g., application of the income derived
                                       ---
from such securities to maintain a common home, to meet expenses that such
person otherwise would meet from other sources, or the ability to exercise a
controlling influence over the purchase, sale or voting of such securities.

     An Access Person also may be regarded as the beneficial owner of securities
held in the name of another person, if by reason of any contract, understanding,
relationship, agreement, or other arrangement, he obtains therefrom benefits
substantially equivalent to those of ownership.
<PAGE>

Moreover, the fact that the holder is a relative or relative of a spouse and
sharing the same home as an Access Person may in itself indicate that the Access
Person would obtain benefits substantially equivalent to those of ownership from
securities held in the name of such relative. Thus, absent countervailing facts,
it is expected that securities held by relatives who share the same home as an
Access Person will be treated as being beneficially owned by the Access Person.

     An Access Person also is regarded as the beneficial owner of securities
held in the name of a spouse, minor children or other person, even though he
does not obtain therefrom the aforementioned benefits of ownership, if he can
vest or revest title in himself at once or at some future time.

<PAGE>

                                                                   Exhibit 16(d)

                 Code of Ethics Adopted Pursuant to Rule 17j-1
                   Under the Investment Company Act of 1940

1.   Purposes
     --------

     The Code has been adopted by the Board of Directors/Trustees of Oak Advised
or Subadvised investment company accounts in accordance with Rule 17j-1 (b)
under the Investment Company Act of 1940 (the Act) and in accordance with the
following general principles:

          (1)  The duty at all times to place the interests of shareholders
          first.

               Investment company personnel should scrupulously avoid serving
          their own personal interests ahead of shareholders' interests in any
          decision relating to their personal investments.

          (2)  The requirement that all personal securities transactions be
          conducted consistent with the Code and in such a manner as to avoid
          any actual or potential conflict of interest or any abuse of an
          individual's position of trust and responsibility.

               Investment company personnel must not only seek to achieve
          technical compliance with the Code but should strive to abide by its
          spirit and the principles articulated herein.

          (3)  The fundamental standard that investment company personnel should
          not take inappropriate advantage of their positions.

               Investment company personnel must avoid any situation that might
          compromise, or call into question, their exercise of fully independent
          judgment in the interest of shareholders, including, but not limited
          to the receipt of unusual investment opportunities, perquisites, or
          gifts of more than a de minimis value from persons doing or seeking
                               ----------
          business with the Fund.

     Rule 17j-1 under the Act generally proscribes fraudulent or manipulative
practices with respect to purchases or sales of securities held or to be
acquired by investment companies, if effected by associated persons of such
companies.

     The purpose of the Code is to establish procedures consistent with the Act
and Rule 17j-1 to give effect to the following general prohibitions as set forth
in rule 17j-1:

          (a)  It shall be unlawful for any affiliated person of or principal
          underwriter for a registered investment company, or any affiliated
          person of an investment adviser of or principal underwriter for a
          registered investment company in connection with the purchase or sale,
          directly or indirectly, by such person of a security held or to be
          acquired, as defined in this section, by such registered investment
          company.

               (1)  To employ any device, scheme or artifice to defraud such
               registered investment company;
<PAGE>

               (2)  To make to such registered investment company any untrue
               statement of a material fact or omit to state to such registered
               investment company a material fact necessary in order to make the
               statements made, in light of the circumstances under which they
               are made, not misleading;

               (3)  To engage in any act, practice, or course of business which
               operates or would operate as a fraud or deceit upon any such
               registered investment company; or

               (4)  To engage in any manipulative practice with respect to such
               registered investment company.

2.   Definitions
     -----------

          (a)  "Access Person" means any director/trustee, officer, general
          partner or Advisory Person (including any Investment Personnel, as
          that term is defined herein) of the Fund, the Manager or the
          Adviser/Subadviser; provided, however, that "Access Person" shall not
          include any director/trustee, officer, general partner or Advisory
          Person of Pacific Investment Management Company (PIMCO) or Columbus
          Circle investors (Columbus Circle) who shall be subject to the
          provisions of the code of ethics adopted by PIMCO and Columbus
          Circle, respectively.

          (b)  "Adviser/Subadviser" means the Adviser or Subadviser of the Fund
          or both as the context may require.

          (c)  "Advisory Person" means:

               (i)  any employee of the Fund, Manager or Adviser/Subadviser (or
               of any company in a control relationship to the Fund, Manager or
               Adviser/Subadviser) who, in connection with his or her regular
               functions or duties, makes, participates in, or obtains
               information regarding the purchase or sale of a security by the
               Fund, or whose functions relate to the making of any
               recommendations with respect to such purchases or sales; and

               (ii) any natural person in a control relationship to the Fund who
               obtains information concerning recommendations made to the Fund
               with regard to the purchase or sale of a security.

          (d)  "Beneficial Ownership" will be interpreted in the same manner as
          it would be in determining which security holdings of a person are
          subject to the reporting and short-swing profit provisions of Section
          16 of the Securities Exchange Act of 1934 and the rules and
          regulations thereunder, except that the determination of direct or
          indirect beneficial ownership will apply to all securities which an
          Access Person has or acquires (Exhibit A).
                                         ---------

<PAGE>

(e)  "Complex" means the group of registered investment companies for which
Prudential Mutual Fund Management, Inc. serves as Manager; provided, however,
that with respect to Access Persons of the Subadviser (including any unit or
                     --------------------------------
subdivision thereof), "Complex" means the group of registered investment
companies in the Complex advised by the Subadviser, or unit, or subdivision
thereof.

(f)  "Compliance Officer" means the person designated by the Manager or the
Adviser/Subadviser (including his or her designee) as having responsibility for
compliance with the requirements of the Code.

(g)  "Control" will have the same meaning as that set forth in Section 2 (a) (9)
of the Act.

(h)  "Disinterested Director/Trustee" means a Director/Trustee of the Fund who
is not an "interested person" of the Fund within the meaning of Section 2 (a)
(19) of the Act.

(i)  "Investment Personnel" means Portfolio Managers and other Advisory Persons
who provide investment information and/or advice to the Portfolio Manager(s) and
/or help execute the Portfolio Manager's (s') investment decisions, including
securities analysts and traders.

(j)  "Manager" means Prudential Mutual Fund Management, Inc.

(k)  "Portfolio Manager" means any Advisory Person who has the direct
responsibility and authority to make investment decisions for the Fund.

(l)  "Purchase of sale of a Security" includes, inter alia, the writing of an
                                                ----------
option to purchase or sell a security.

(m)  "Security" will have the meaning set forth in Section 2 (a) (36) of the
Act, except that it will not include shares of registered open-end investment
companies, securities issued by the United States Government, short-term debt
securities which are "government securities" within the meaning of Section 2 (a)
(16) of the Act, bankers' acceptances, bank certificates of deposit, commercial
paper and such other money market instruments as are designated by the
Compliance Officer. For purposes of the Code, an "equivalent Security" is one
that has a substantial economic relationship to another Security. This would
include, among other things,

     (1)  a Security that is convertible into another Security,

     (2)  with respect to an equity Security, a Security having the same issuer
     (including a private issue by the same issuer) and any derivative, option
     or warrant relating to that Security and

     (3)  with respect to a fixed-income Security, a Security having the same
     issuer, maturity, coupon and rating.
<PAGE>

3.   Applicability
     -------------

     The prohibitions described below will only apply to a transaction in a
Security in which the designated Access Person has, or by reason of such
transaction acquires, any direct or indirect Beneficial Ownership.

4.   Prohibited Purchases and Sales
     ------------------------------

          A.   Initial Public Offerings
          No Investment Personnel may acquire any Securities in an initial
          public offering.

          B.   Private Placements
          No Investment Personnel may acquire any Securities in a private
          placement without express prior approval.

          (i)  Prior approval must be obtained in accordance with the
          preclearance procedure described in Section 6 below. Such approval
          will take into account, among other factors, whether the investment
          opportunity should be reserved for the Fund and its shareholders and
          whether the opportunity is being offered to the Investment Personnel
          by virtue of his or her position with the Fund.

          (ii) Investment Personnel who have been authorized to acquire
          Securities in a private placement must disclose that investment to the
          chief investment officer (including his or her designee) of the
          Advisor/Subadviser (or of any unit or subdivision thereof) or the
          Compliance Officer when they play a part in any subsequent
          consideration of an investment by the Fund in the issuer. In such
          circumstances, the Fund's decision to purchase Securities of the
          issuer will be subject to an independent review by appropriate
          personnel with no personal interest in the issuer.

          C.   Blackout Periods

          (i)  Except as provided in Section 5 below, Access Persons are
          prohibited from executing a Securities transaction on a day during
          which any investment company in the Complex has a pending "buy" or
          "sell" order in the same or an equivalent Security and until such time
          as that order is executed or withdrawn; provided, however, that this
          prohibition shall not apply to Disinterested Directors/Trustees except
          if they have actual knowledge of trading by any fund in the Complex
          and, in any event, only with respect to those funds on whose boards
          they sit.

               This prohibition shall also not apply to Access Persons of the
          Manager who do not, in the ordinary course of fulfilling his or her
          official duties, have access to information regarding the purchase and
          sale of Securities for the Fund; provided that Securities investments
          effected by such Access Persons during the Proscribed period are not
          effected with knowledge of the purchase or sale of the same or
          equivalent Securities by any fund in the Complex.
<PAGE>

                 A "pending `buy' or `sell' order" exists when a decision to
          purchase or sell a Security has been made and communicated.

          (ii)   Portfolio Managers are prohibited from buying or selling a
          Security within seven calendar days before or after the Fund trades in
          the same or an equivalent Security.

          (iii)  If trades are effected during the periods proscribed in (i) or
          (ii) above, except as provided in (iv) below with respect to (i)
          above, any profits realized on such trades will be immediately
                 -------------------------------------------------------
          required to be disgorged to the Fund.
          ------------------------------------

          (iv)   A transaction by Access Persons (other than Investment
          Personnel) inadvertently effected during the period proscribed in (i)
          above will not be considered a violation of the Code an disgorgement
          will not be required so long as the transaction was effected in
          accordance with the preclearance procedures described in Section 6
                              -----------------------
          below and without prior knowledge of trading by any fund in the
          Complex in the same or an equivalent Security.

          D.     Short-Term Trading Profits

          Except as provided in Section 5 below, Investment Personnel are
          prohibited from profiting from a purchase and sale, or sale and
          purchase, of the same or an equivalent Security within any 60 Calendar
          day period. If trades are effected during the proscribed period, any
          profits realized on such trades will be immediately required to be
          disgorged to the Fund.

5.   Exempted Transactions
     ---------------------

          Subject to preclearance in accordance with Section 6 below with
     respect to subitems (b), (e), (f), (g), (h) and (i) hereof, the
     prohibitions of Sections 4 (C) and 4 (D) will not apply to the following:

                 (a)  Purchases or sales of Securities effected in any account
                 over which the Access Person has no direct or indirect
                 influence or control or in any account of the Access Person
                 which is managed on a discretionary basis by a person other
                 than such Access Person and with respect to which such Access
                 Person does not in fact influence or control such transactions.

                 (b)  Purchases or sales of Securities (or their equivalents)
                 which are not eligible for purchase or sale by any fund in the
                 Complex.

                 (c)  Purchases or sales of Securities which are non-volitional
                 on the part of either the Access Person or any fund in the
                 Complex.

                 (d)  Purchases of Securities which are part of an automatic
                 dividend reinvestment plan.

<PAGE>

               (e)  Purchases effected upon the exercise of rights issued by an
               issuer pro rata to all holders of a class of its Securities, to
                      --------
               the extent such rights were acquired from such issuer, and sales
               of such rights so acquired.

               (f)  Any equity Securities transaction, or series of related
               transactions effected over a 30 calendar day period, involving
               500 shares or less in the aggregate, if:

                    (i)  the Access person has no prior knowledge of activity in
                         such security by any fund in the Complex and
                    (ii) the issuer is listed on The New York Stock Exchange or
                         has a market capitalization (outstanding shares
                         multiplied by the current price per share) greater than
                         $1 billion (or a corresponding market capitalization in
                         foreign markets).

               (g)  Any fixed-income Securities transaction, or series of
               related transactions effected over a 30 calendar day period,
               involving 100 units ($100,000 principal amount) or less in the
               aggregate, if the Access Person has no prior knowledge of
               transactions in such Securities by any fund in the Complex.

               (h)  Any transaction in index options effected on a broad-based
               index if the Access Person has no prior knowledge of activity in
               such index by any fund in the Complex.

               (i)  Purchases or sales of Securities which receive the prior
               approval of the Compliance Officer (such person having no
               personal interest in such purchases or sales), based on a
               determination that no abuse is involved and that such purchases
               and sales are not likely to have any economic impact on any fund
               in the Complex or on its ability to purchase or sell Securities
               of the same class or other Securities of the same issuer.

6.   Preclearance
     ------------

     Access Persons (other than Disinterested Directors/Trustees) must preclear
all personal Securities investments with the exception of those identified in
subparts (a), (c) and (d) of Section 5 above.

     All requests for preclearance must be submitted to the Compliance Officer
for approval.  All approved orders must be executed by the close of business on
the day preclearance is granted; provided, however, that approved orders for
Securities traded in foreign markets may be executed within two (2) business
days from the date preclearance is granted.  If any order is not timely
executed, a request for preclearance must be resubmitted.

7.   Reporting
     ---------

     (a)  Disinterested Directors/Trustees shall report to the Secretary of the
     Fund or the Compliance Officer the information described in Section 7 (b)
     hereof with respect to transactions in any Security in which such
     Disinterested Director/Trustee has, or by reason of such transaction
     acquires, any direct

<PAGE>

     or indirect Beneficial Ownership in the Security only if such Disinterested
     Director/Trustee, at the time of that transaction knew or, in the ordinary
     course of fulfilling his or her official duties as a Director/Trustee of
     the Fund, should have known that, during the 15-day period immediately
     preceding or subsequent to the date of the transaction in a Security by
     such Director/Trustee, such Security is or was purchased or sold by the
     Fund or was being considered for purchase or sale by the Fund, the Manager
     or Adviser/Subadviser; provided, however, that a Disinterested
     Director/Trustee is not required to make a report with respect to
     transactions effected in any account over which such Director/Trustee does
     not have any direct or indirect influence or control or in any account of
     the Disinterested Director/Trustee which is managed on a discretionary
     basis by a person other than such Director/Trustee and with respect to
     which such Director/Trustee does not in fact influence or control such
     transactions. The Secretary of the Fund or the Compliance Officer shall
     maintain such reports and such other records to the extent required by Rule
     17j-1 under the Act.

     (b)  Every report required by Section 7 (a) hereof shall be made not later
than ten days after the end of the calendar quarter in which the transaction to
which the report relates was effected, and shall contain the following
information:

          (i)    The date of the transaction, the title and the number of
          shares, and the principal amount of each Security involved;

          (ii)   The nature of the transaction (i.e., purchase, sale or any
                                                ----
          other type of acquisition or disposition);

          (iii)  The price at which the transaction was effected; and

          (iv)   The name of the broker, dealer or bank with or through whom the
          transaction was effected.

     (c)  Any such report may contain a statement that the report shall not be
construed as an admission by the person making such report that he or she has
any direct or indirect Beneficial Ownership in the Security to which the report
relates.

8.   Records of Securities Transactions and Post-Trade Review
     --------------------------------------------------------

     Access Persons (other than Disinterested Directors/Trustees) are required
to direct their brokers to supply, on a timely basis, duplicate copies of
confirmations of all personal Securities transactions and copies of periodic
statements for all Securities accounts in which such Access Persons have a
Beneficial Ownership interest to the Compliance Officer. Compliance with this
Code requirement will be deemed to satisfy the reporting requirements imposed
on, Access Persons under Rule 17j-1(c).

     The Compliance Officer will periodically review the personal investment
activity of all Access Persons (including Disinterested Directors/Trustees with
respect to Securities transactions reported pursuant to Section 7 above).
<PAGE>

9.   Disclosure of Personal Holdings
     -------------------------------

     Upon commencement of employment and thereafter on an annual basis, Access
Persons (other than Disinterested Directors/Trustees) must disclose all personal
Securities holdings.

10.  Gifts
     -----

     Access Persons are prohibited from receiving any gift or other thing of
more than $100 in value from any person or entity that does business with or on
behalf of the Fund. Occasional business meals or entertainment (theatrical or
sporting events, etc.) are permitted so long as they are not excessive in number
or cost.

11.  Service As a Director
     ---------------------

     Investment Personnel are prohibited from serving on the boards of directors
of publicly traded companies, absent prior authorization based upon a
determination that the board service would be consistent with the interests of
the Fund and its shareholders. In the limited instances that such board service
is authorized, Investment Personnel will be isolated from those making
investment decisions affecting transactions in Securities issued by any publicly
traded company on whose board such Investment Personnel serves as a director
through the use of "Chinese Wall" or other procedures designed to address the
potential conflicts of interest.

12.  Certification of Compliance with the Code
     -----------------------------------------

     Access Persons are required to certify annually as follows:

     (i)   that they have read and understood the Code;

     (ii)  that they recognize that they are subject to the Code;

     (iii) that they have complied with the requirements of the Code; and

     (iv)  that they have disclosed or reported all personal Securities
     transactions required to be disclosed or reported pursuant to the
     requirements of the Code.

13.  Code Violations
     ---------------

     All violations of the Code will be reported to the Board of
Directors/Trustees of the Fund on a quarterly basis. The Board of
Directors/Trustees may take such action as it deems appropriate.

14.  Review by the Board of Directors/Trustees
     -----------------------------------------

     The Board of Directors/Trustees will be provided with an annual report
which at a minimum:

     (i)   summarizes existing procedures concerning personal investing and any
     changes in the procedures made during the preceding year;
<PAGE>

(ii)   identifies any violations requiring significant remedial action during
the preceding year; and

(iii)  identifies any recommended changes in existing restrictions or procedures
based upon the Fund's experience under the Code, evolving industry practices,
or developments in applicable laws and regulations.
<PAGE>

                           Explanatory Notes to Code
                           -------------------------

     1.   The information on personal employee Securities transactions received
     and recorded by the Manager and by the Adviser/Subadviser, in conformity
     with Rule 204-2(a) (12) under the Investment Advisers Act of 1940, under
     their respective current policy statements regarding personal securities
     transactions of employees will be deemed to satisfy the reporting
     requirements imposed on Access Persons of the Manager and of the
     Adviser/Subadviser under Rule 17j-1(c).

     2.   No comparable code requirements have been imposed upon Prudential
     Mutual Fund Services, Inc., the Fund's transfer agent, or Prudential
     Securities Incorporated, which acts as the Fund's distributor, or those of
     their directors or offices who are not Directors/Trustees or Officers of
     the Fund since they are deemed not to constitute Access Persons or Advisory
     Persons as defined in paragraphs (e) (1) and (2) of Rule 17j-1.

Dated: April 1, 1995, as amended on June 1, 1995.
<PAGE>

                                                                       Exhibit A
                                                                       ---------

                      Definition of Beneficial Ownership
                      ----------------------------------

     The term "beneficial ownership" of securities would include not only
ownership of securities held by an access person for his or her own benefit.
Whether in bearer form or registered in his or her own name or otherwise, but
also ownership of securities held for his or her benefit by other (regardless
of whether or how they are registered) such as custodians, brokers, executors,
administrators, or trustees (including trusts in which he or she has only a
remainder interest), and securities held for his or her account by pledges,
securities owned by a partnership in which he or she should regard as a personal
holding corporation. Correspondingly, this term would exclude securities held by
an access person for the benefit of someone else.

     Ordinarily, this term would not include securities held by executors or
administrators in estates in which an access person is a legatee or beneficiary
unless there is a specific legacy to such person of such securities or such
person is the sole legatee or beneficiary and there are other assets in the
estate sufficient to pay debts ranking ahead of such legacy, or the securities
are held in the estate more than a year after the decedent's death.

     Securities held in the name of another should be considered as
"beneficially" owned by an access person where such person enjoys "benefits
substantially equivalent to ownership". The SEC has said that although the
final determination of beneficial ownership is a question to be determined in
the light of the facts of the particular case, generally a person is regarded as
the beneficial owner of securities held in the name of his or her spouse and
their minor children. Absent special circumstances such relationship ordinarily
results in such person obtaining benefits substantially equivalent to ownership,
e.g., application of the income derived from such securities to maintain a
common home, to meet expenses which such person otherwise would meet from other
sources, or the ability to exercise a controlling influence over the purchase,
sale or voting of such securities.

     An access person also may be regarded as the beneficial owner of securities
held in the name of another person, if by reason of any contact, understanding,
relationship, agreement or other arrangement, he obtains therefrom benefits
substantially equivalent to those of ownership. Moreover, the fact that the
holder is a relative or relative of a spouse and sharing the same home as an
access person may in itself indicate that the access person would obtain
benefits substantially equivalent to those of ownership from securities held in
the name of such relative. Thus, absent countervailing facts, it is expected
that securities held by relatives who share the same home as an access person
will be treated as being beneficially owned by the access person.

     An access person also is regarded as the beneficial owner of securities
held in the name of a spouse, minor children or other person, even though he
does not obtain therefrom the aforementioned benefits of ownership, if he can
vest or revest title in himself at once or at some future time.

<PAGE>

                                                                   EXHIBIT 16(e)

                   MUTUAL OF AMERICA LIFE INSURANCE COMPANY


Preamble:

Mutual of America Life Insurance Company recognizes its responsibility to be
familiar with and to ensure its compliance with the provisions of the Investment
Company Act of 1940 and the Rules and Regulations of the Securities and Exchange
Commission promulgated under the Act.  The same is true as to other Federal and
state laws and regulations thereunder which may be applicable to an investment
company and to particular situations which may arise.

Experience over the years has shown, however, that there are, in addition,
business principles and practices to be followed in maintaining a high standard
of conduct in the operation and management of a registered investment company.

The basic principle which should govern all officers, directors and employees of
the Company shall be carried on with fidelity to the interests of our clients.
The performance of such functions should conform in all particulars to just and
equitable principles of conduct in the administration and management of the
Company.

The combination of these factors also leads to certain fundamental principles
which should govern the personal investment activities of certain personnel of
the Company, namely:  (1) the duty at all times to place the interests of
investment company clients first; (2) the requirement that all personal
securities transactions be conducted consistent with the code of ethics and in
such a manner as to avoid any actual or potential conflict of interest or any
abuse of an individual's position of trust and responsibility; and (3) that
company personnel should not take inappropriate advantage of their positions.

To foster the above considerations, Mutual of America Life Insurance Company has
established the following Code of Ethics.


                                CODE OF ETHICS

1-   Definitions

     (a)  Underwriter
     As used in this code the term "Underwriter" shall mean Mutual of America
          Life Insurance Company.

     (b)  Access Person
     As used in this code the term "access person" shall mean any director or
          officer of the Underwriter who in the ordinary course of business
          makes, participates in or obtains information regarding the purchase
          or sale of securities for an investment company client for which the
          principal underwriter so acts or whose functions or duties as part of
          the
<PAGE>

          ordinary course of business relate to the making of any recommendation
          to such investment company client regarding the purchase or sale of
          securities.

     (c)  Investment Company Client
          As used in this code the term "investment company client" shall mean a
          company registered as such under the Investment Company Act of 1940
          and for which the Underwriter is the principal underwriter.

2-   Restrictions on Personal Investing Activities

     (a)  No access person shall purchase or sell, directly or indirectly, any
          security in which he or she has, or by reason of such transaction
          acquires, any direct or indirect beneficial ownership and which to his
          or her knowledge (or should have known) is currently being purchased
          or sold by an investment company client, or which to his or her
          knowledge (or should have known) the Adviser, any advisory employee,
          or any investment adviser of an investment company client is actively
          considering recommending to a client for purchase or sale. These
          prohibitions shall continue until the time as the Adviser, advisory
          employee or such investment adviser decides not to recommend such
          purchase or sale, or if such recommendation is made until the time
          that such client decides not to enter into, or completes, such
          recommended purchase or sale. These prohibitions shall apply to any
          purchase or sale by any access person of any convertible security,
          option or warrant of any issuer whose underlying securities are being
          actively considered for recommendation to, or are currently being
          purchased or sold by an investment company client.

     (b)  No access person shall purchase any securities in an initial public
          offering.

     (c)  No access person shall engage directly or indirectly in any securities
          activities in anticipation of an investment company client's
          transaction. For purposes of this provision it shall be presumed that
          a violation has occurred if an access person has executed a securities
          transaction within 7 calendar days prior to such client's transaction
          in a security of the same or related issuer.

3-   Exempt Purchases and Sales

     The prohibitions in Section 2 of this code shall not apply to:

     (i)  purchases or sales effected in any account over which an access person
          has no direct or indirect influence or control;

     (ii) purchases or sales of securities which are not eligible for purchase
          or sale by an investment company client;
<PAGE>

     (iii) purchases or sales of securities which are direct obligations of the
           United States, banker's acceptances, bank certificates of deposit,
           commercial paper, high quality short-term debt instruments including
           repurchase agreements and shares of registered open-end investment
           companies;

     (iv)  purchases effected upon exercise of rights issued by an issuer pro
           rata to all holders of a class of its securities to the extent such
           rights were acquired from such issuer, and sales of such rights so
           acquired; and

     (v)   purchases which are part of an automatic dividend reinvestment plan.

4-   Reporting

     (a)   Each access person shall report to the Underwriter every transaction
           in a security in which he or she has, or by reason of such
           transaction acquires, any direct or indirect beneficial ownership,
           except purchases and sales specified in Section 3 of this code. Such
           report shall state the title, the interest rate and maturity date (if
           applicable), the number of shares and the principal amount of such
           security; the date and nature of the transaction (i.e., purchase,
           sale or other acquisition or disposition); the price at which it was
           effected; the name of the broker, dealer or bank with or through whom
           the transaction was effected; and the name of the broker, dealer or
           bank with whom any account has been established and date thereof.
           Such report may also contain a statement declaring that the reporting
           or recording of any such transaction shall not be construed as an
           admission that the access person making the report has any direct or
           indirect beneficial ownership in the security. A report shall be made
           not later than 10 days after the end of each quarter whether or not a
           transaction covered hereby takes place and shall reflect the date
           submitted.

     (b)   Notwithstanding Section 4(a) of this code, an access person need not
           make a report where the report would duplicate information recorded
           pursuant to Rules 204-2(a)(12) or 204-2(a)(13) under the Investment
           Advisers Act of 1940.

     (c)   Each access person shall direct their brokers to supply to the
           Compliance Officer, on a timely basis, duplicate copies of
           confirmations of all personal security transactions and copies of
           periodic statement for all accounts.

     (d)   Each access person shall disclose all personal security holdings
           within 10 days of becoming an access person and within 30 days of the
           end of each calendar year. Each such report shall state the title,
           number of shares and principal amount of the security involved and
           the name of any broker, dealer or bank with whom an account is
           maintained.
<PAGE>

5-   Review of Reports

      required to be made pursuant to Section 4 of this code shall be
     reviewed by the Underwriter's compliance officer or such other person as
     the President of the Underwriter designates.

6-   Prior Clearance of Transactions

     No access person who makes any recommendation concerning any security held
     or to be acquired by an investment company client, or who participates in,
     or whose functions or duties relate to, the determination of which
     recommendation shall be made, or who in connection with his or her duties
     obtains any information concerning which securities are being recommended,
     shall effect a purchase or sale directly or indirectly, of any security in
     which he has, or by reason of such transaction acquires, any direct or
     indirect beneficial ownership, without obtaining prior written clearance
     from the President of the Underwriter (or the Compliance Officer when said
     President is seeking approval).

     Prior clearance will NOT be granted with respect to securities being
     purchased or sold by an investment company client or being actively
     considered by the Adviser or an advisory employee until 7 days have elapsed
     from the conclusion of such activity. Any prior clearance concerning a
     private placement transaction will only be granted under circumstances
     where an investment client's interests are not disadvantaged, where such
     opportunity is not being offered to an individual by virtue of his or her
     position with the Underwriter and further, with the express understanding
     that the access person involved will be under an obligation to disclose
     such investment should he or she participate in the Adviser's subsequent
     consideration of an investment in the same issuer, such consideration being
     subject to an independent review by access persons with no direct or
     indirect interest in the issuer. Any access person who effects a purchase
     or sale after obtaining such prior written clearance shall be deemed not to
     be in violation of Section 2 of this code by reason of such purchase or
     sale.

7-   Other Restricted Activities

     (a)  No access person shall accept any gift or other thing of more than de
                                                                             --
          minimis value from any person or entity that does business with or on
          -------
          behalf of the Underwriter.

     (b)  No access person shall profit in the purchase and sale, or sale and
          purchase, of the same (or equivalent or economically related)
          securities within 60 calendar days, unless prior written clearance is
          given by the President of the Underwriter (or the Compliance Officer
          when said President is seeking approval). Any profits realized in
          violation of this Section shall be required to be disgorged.

     (c)  No access person shall serve on the board of directors of a publicly
          traded company without obtaining prior written clearance from the
          President of the Underwriter (or the Compliance Officer when said
          President is seeking approval).
<PAGE>

8-   Certificate of Compliance

     Each access person shall certify within 30 days of the end of each calendar
     year that with respect to this code of ethics he or she has:
     (i)   read and understood it;
     (ii)  complied with the requirements; and
     (iii) disclosed or reported all personal securities transactions so
           required by it.

9-   Administration

     (a)  Upon learning of a violation of this code, the Underwriter may impose
          such sanctions as it deems appropriate, including, inter alia, a
          letter of censure or suspension or termination of the employment of
          the violator.

     (b)  At least annually the Underwriter will furnish a written report to the
          Board of Directors of an investment company client that:

          (i)  Describes any issues arising under this code or procedures since
               the last report, including all material violations of the code or
               procedures and any sanctions imposed in response.

          (ii) Certifies that procedures reasonably necessary to prevent access
               persons from violating this code have been adopted.


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